close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3084027

код для вставки
United States Patent 0 "Fee
3,084,016
Patented Apr. 2, 1963
2
1
lose textile material through rollers, then, if desired dry
3 084,016
PROCESS FOR COLOI’ENG CELLULOSE TEXTILE
ing the cellulose textile material at a suitable temperature,
for example 70° C., and then subjecting the cellulose tex
MATERIALS WITH WATER-INSOLUBLE REAC
TIVE DYESTUFFS
tile material to the action of heat or steam.
Alternatively the cellulose textile material can be dyed
by immersing it in a dyebath comprising an aqueous dis
Timothy Leslie Dawson, Ian Durham Rattee, Irwin
Seltzer, and Arthur Hutchinson Wyld, all of Man
chester, England, assignors to Imperial Chemical In
persion of the one or more water-insoluble reactive dye
stuffs which also contains an acid-binding agent, at a suit
dustries Limited, Millbank, London, England, a cor
poration of Great Britain
able temperature for example between 0° and 100° C.,
No Drawing. Filed Jan. 25, 1960, Ser. No. 4,190
and thereafter removing the cellulose textile material from
10
Claims priority, application Great Britain Feb. 10, 1959‘
the dyebath, if desired subjecting it to a treatment in a
"
9 Claims.
(Ci. s-54.2)
hot aqueous solution of soap and ?nally drying the dyed
cellulose textile material.
This invention relates to a coloring process and more
I
Alternatively this process of the invention may be con
particularly it relates to a coloring process for cellulose
textile materials.
15 veniently brought about by applying the aqueous disper
sion of the one or more water-insoluble reactive dyestuffs,
According to the invention there is provided a process
as hereinafter de?ned, to the cellulose textile material by
for coloring cellulose textile materials which comprises
a dyeing or a padding method and subsequently immersing
treatingthe cellulose textile material with one or more
the colored cellulose textile material in an aqueous solu
water-insoluble reactive dyestuffs, as hereinafter de?ned,
and with an acid-binding agent.
20 tion or suspension of the acid-binding agent, preferably
at a temperature between 50° C. and 100° C., or alterna
The one or more water-insoluble reactive dyestuffs may
be applied to the cellulose textile material by either a dye
ing or a printing process.
According to a further feature of the invention there
is provided a process for dyeing cellulose textile materials 25
which comprises dyeing the cellulose textile material with
an aqueous dispersion of one or more water-insoluble re
active dyestuifs, as hereinafter de?ned, in conjunction
tively the colored cellulose textile material may be padded
with an aqueous solution or suspension of the acid-binding
agent, the textile material dried and then subjected to the
action of heat or steam.
Alternatively the cellulose textile material can be dyed
by immersing it in a dyebath comprising an aqueous dis
persion of the one or more water-insoluble reactive dye
stuffs, preferably at a temperature between 20° and 100°
30 C., and after the cellulose textile material has absorbed
some or all of the dyestulf, adding the acid-binding agent
ried out prior to, simultaneously with or subsequent to
and continuing dyeing for a period at thesame or a
the dyeing of the cellulose textile material with the aque
with a treatment with an acidabinding agent.
The treatment with the acid-binding agent may be car
ous dispersion of one or more of the water-insoluble re
different temperature.
.
in this process of the invention there may be mentioned
persion of the dyestuffs is not critical but it is preferred
to use between 0.1% and 10% of the acidabinding agent
The concentration of the acid-binding agent present in
active dyestu?s.
.As examples of acid-binding agents which may be used 35 the aqueous solution or suspension or in the aqueous dis
sodium hydroxide, potassium hydroxide, sodium carbon
ate, potassium carbonate, sodium metasilioate, trisodium
phosphate, tripotassium phosphate, magnesium oxide and
ammonium hydroxide. If desired substances, for example
sodium trichloroacetate and sodium bicarbonate, may be
used which liberate an acid-binding agent when subjected
to the action of heat or steam.
This process of the invention may be conveniently
based on the total weight of the aqueous solution or sus
pension. If desired the aqueous solution or suspension of
40 the acid binding agent may also contain further substances,
tor example electrolytes such as sodium chloride and
sodium sulphate.
'
The aqueous dispersion of the one or more water-in
soluble reactive dyestuffs may also contain substances
brought about by treating the cellulose textile material 45 which are known to assist the application of dyestuffs to
textile materials, for example sodium chloride, sodium
with an aqueous solution or suspension of the acid-binding
sulphate, urea, dispersing agents, surface active agents,
agent and then immersing the so-treated cellulose textile
sodium alginate or an emulsion of an organic liquid, for
material ina dyebath comprising a dispersion of one or
example trichloroethylene in water.
more water-insoluble reactive dyestulfs, as hereinafter
According to a still further feature of the invention
de?ned, at a temperature of between 0° and 100° C., re 50
there
is provided a process for coloring cellulose textile
moving the dyed cellulose textile material from the dye
bath and if desired subjecting the dyed cellulose textile
material to a treatment in a hot aqueous solution of soap.
materials which comprises printing the cellulose textile
material with a printing paste containing one or more
water-insoluble reactive dyestuffs, as hereinafter de?ned,
If desired the cellulose textile material which has been
treated with an aqueous solution or suspension of the 55 the printing being carried out in conjunction with a treat
ment with an iacid-binding agent.
acid-binding agent may be passed between rollers to re
The acidabinding agent may be applied to the cellulose
move excess aqueous solution or suspension of the acid
textile
material before applying the printing paste, or the
binding agent =and/ or dried before being treated with the
acidbinding agent may be incorporated into the printing
aqueous dispersion of the water~insoluble reactive dye
60 paste, or the printing paste may be applied to the cellulose
stuff.
textile material and the printed cellulose textile material
Alternatively the aqueous dispersion of the water-in
subsequently treated with the acid-binding agent.
soluble reactive dyestutf may be applied by padding to
The cellulose textile material may be printed with the
the cellulose textile material which has been treated with
printing paste by any of the commonly known methods
the acid-binding agent and the cellulose textile material
ofv applying printing pastes to textile materials, for ex
then passed through rollers and subsequently subjected
ample by means of roller printing, screen printing, block
to the action of heat or steam.
printing, spray printing or stencil printing.
Alternatively this process of the invention may be
The printing pastes used in this process of the invention
brought about by padding the cellulose textile material
may contain the commonly used adjuvants, for example
‘with an aqueous dispersion of one or more water-insoluble
urea, thickening agents, for example methyl cellulose,
reactive dyestuffs, as hereinafter de?ned, which also con
starch, locust bean gum, sodium alginate, water-in-oil
tains an acid-binding agent, passing the so-treated cellu
emulsions, oil-in-water emulsionasurface active agents,
3,084,016
3
4
sodium m~nitrobenzene sulphonate, and organic liquids,
least one alkyl- or arylsulphonyoxyalkylaminocarbonyl
for example ethanol.
As examples of acid-binding agents which may be used
group, or at least one acryloylamino or trichloroacryloyl
amino group, or at least one vinylsulphonyl group, or at
in this process of the invention there may be mentioned
least one epoxypropyl group. The water-insoluble dye
stuffs of these classes may be for example nitro dyestuffs
sodium hydroxide, potassium hydroxide, sodium carbon
ate, potassium carbonate, sodium bicarbonate, sodium
metasilicate, magnesium oxide and trisodium phosphate.
or dyestuffs of the azo, which may be monoazo or poly
azo, anthraquinone or phthalocyanine series which are
This process of the invention may be conveniently
brought about by applying a printing paste containing one
may contain one or more coordinately bound metal atoms
free from sulphonic and carboxylic acid groups and which
or more of the water-insoluble reactive dyestuffs, as here 10 for example copper, chromium, nickel and cobalt.
In the above groups “halogeno” denotes chloro or
inafter de?ned, to a cellulose textile material which has
been impregnated with an acid-binding agent and there
after subjecting the printed cellulose textile material to the
action of heat or steam.
Alternatively this process of the invention may be con 15
veniently brought about by applying a printing paste con
taining one or more of the water-insoluble reactive dye
stuffs and containing an acid-binding agent to the cellu
lose textile material and subsequently subjecting the
bromo, “alkyl” preferably denotes a lower alkyl radical
containing from 1 to 6 carbon atoms, and “ary ” prefer
ably denotes a monocyclic aryl radical.
Water-insoluble dyestuffs containing a dichloro 01' di
bromo-l :3 :S-triazinyl radical may be obtained by reacting
one molecular proportion of a water-insoluble dyestu?
containing a primary amino or secondary amino group
with one molecular proportion of cyanuric chloride or
printed cellulose textile material to the action of heat or 20 cyanuric bromide. Water-insoluble dyestuffs containing
a monochloro or monobromo-1:3:5-triazinyl radical may
steam.
be obtained by reacting one molecular proportion of a
Alternatively this process of the invention may be con
Water-insoluble dyestulf containing a primary amino or
veniently brought about by applying a printing paste con~
secondary amino group with one molecular proportion of
taining one or more of the water-insoluble reactive dye
stuffs to the cellulose textile material and thereafter im 25 "a triazine of the formula:
mersing the printed textile material in a hot aqueous
solution or suspension of the acid-binding agent or alter
natively impregnating the printed textile material with an
aqueous solution or suspension of the acid-binding agent
and subsequently subjecting the printed textile material to 30
the action of heat or steam.
After applying the printing paste to the cellulose textile
material the printed textile material may, if desired, be
dried, for example at a temperature between 20° and
100° C., before subjecting the printed textile material to
the action of heat or steam.
wherein X is a chlorine or bromine atom and Y stands
for an alkyl, aryl or amino group or for an organic radical
containing a nitrogen, oxygen or sulphur atom through
which it is linked to the triazine ring.
Water-insoluble dyestuffs containing a pyrimidyl radical
At the conclusion of dyeing and/or printing proc
carrying one or two chlorine or bromine atoms directly
esses it is preferred to subject the so-colored cellulose
attached to the pyrimidine ring may be obtained by in
textile materials to a “soaping” treatment, which may be
carried out by immersing the colored cellulose textile 40 teracting substantially cquimolecular proportions of a
water-insoluble dyestuif containing a primary amino or
materials for a short time, for example 15 minutes, in a
secondary amino group and a pyrimidine containing at
hot aqueous solution of soap and/ or detergent, and sub
least two chlorine or bromine atoms in the 2, 4, or 6
sequently rinsing the colored cellulose textile material in
positions of the pyrimidine ring. As examples of such
water before drying it.
By the term “water-insoluble reactive dyestu?” there is 45 pyrimidines there may be mentioned 2:4:6-trichloropy
meant a disperse or Water-insoluble dyestu? which is free
from sulphonic acid and carboxylic acid groups and which
rimidine, 2:4: 5 : ?-tetrachloropyrimidine, 2 : 4-dibromopy
rimidine, 2:4-dichloro-6-methylpyrimidine, 2:4-dichloro
contains (a) at least one reactive halogen atom or other
reactive atom or group, that is to say a halogen atom or
?-methoxypyrimidine, 2 : 4 : 6-tribromopyrimidine, 2 :4-di~
chloro-G-phenylpyrimidine, 2:4-dichloro-6 - nitropyrirni
other group which is capable of reacting with the cellu
lose textile material whereby the dyestulf is attached to
cyanopyrimidine,
ing one or two chlorine or bromine atoms directly at
insoluble dyestu?? containing at least one sulphonchloride
dine, 2 : 4-dichloro-S-cyanopyrimidine, 2 :4: G-trichloro-S
2:4-dichloro - 6 - hydroxypyrimidine,
2:4:6-trichloro-S-nitropyrimidine and 2:4»dichloro-5-ni
the cellulose textile material by a chemical bond and
tro-6-methylpyrimidine.
(b) one or more hydroxy groups. Examples of classes
Water-insoluble dyestuffs containing at least one 7
of such water-insoluble reactive dyestutfs include water
insoluble dyestuffs containing, besides the one or more 55 halogeno-p-hydroxypropylsulphamyl or B-halogenoalkyl
sulphamyl group may be obtained by treating a water
hydroxy groups, at least one 1:3 :S-triazinyl radical carry
group with a 'y-halogeno-p-hydroxypropylamine or a B
tached to the triazine ring, or at least one pyrimidyl radi
halogenoalkylamine respectively.
cal carrying one, two or three chlorine or bromine atoms
Water-insoluble dyestu?’s containing at least one B
directly attached to the pyrimidine ring, or at least one 60
halogenoethoxy or p-halogenothioethane group may be
'y-halogeno-?-hydroxypropylamino group, or at least one
obtained by treating a water-insoluble dyestuff contain
di-(y-halogeno-?-hydroxypropyl)amino group, or at least
ing
at least one B-hydroxyethoxy or ?-hydroxythioethane
one B-halogenoalkylsulphamyl group, or at least one ,9
group with a halogenating agent.
halogenoethoxy group, or at least one ,B-halogenothio
Water-insoluble dyestuffs containing at least one 1
ethane group, or at least one 'y-halogen-p-hydroxypropyl
halogeno-?-hydroxypropylamino or diOy-halogeno-?-hy
sulphamyl group, or at least one chloracylamino group,
or at least one halogenoacyl group, or at least one sul
phon?uoride group, or at least one vinylsulphonylamino
droxypropyl) amino group may be obtained by reacting
a water-insoluble idyestu? containing one or more pri
mary amino groups with epichlorohydrin or epibromo
group, or at least one halogenoethylsulphonyl group, or
70 hydrin and separating the mixture of products so ob
at least one thiocyano group, or at least one alkyl- or aryl
tained.
sulphonyloxyalkylsulphonyl group, or at least one alkyl
Water-insoluble dyestu?s containing an epoxypropyl
or arylsulphonyloxyalkylarninosuphonyl group, or at least
group may be obtained by reacting the corresponding
one alkyl- or arylsulphonyloxyalkylamino group, or at
dyestuffs containing a 'y-chloro-dhydroxypropyl group
least one alkyl- or arylsulphonyloxyalkoxy group, or at 75 with potassium hydroxide.
3,084,016
Water-insoluble dyestuffs containing a vinylsulphone
6
propylamino)anthraquinone, 4’ - ,B-chloroethylsulphamyh
phenylazo - 4 - B - hydroxyethylaminonaphthalene, 4 - #
group may be obtained ‘by treating with an alkali, for
example potassium hydroxide, the corresponding dye
chloroethylsulphamyl - 2’ - methyl - 5' - N - ethyl - N - ?
stuffs containing a B-sulphatoethylsulphonyl group which
may themselves be obtained by 'sulphating the corre
hydroxyethylaminoazobenzene, 2 - chloro - 4 - B - chloro
ethylsulphamyl - 2' - methyl - 5' - di(beta - hydroxyethyD
aminoazobenzene, 1 - 13 - hydroxyethyl - 4 - [3 - chloro
sponding dyestuffs containing a ?-hydroxyethyl group.
ethylamino - anthraquinone,- 1:4’ - (4":6’5- dichloro
Water-insoluble dyestuffs containing at least one chlor
1":3,":5” - triazin - 2 - ylamino)phenylazo - 2 - naphthol,
racylarnino group may be obtained by treating the cor
1 - amino - 2 - ? - bromoethoxy - 4 - hydroxyanthra
responding dyestuff containing at least one amino group
10 quinone, 1 - amino - 4 - hydroxy - 2 ~ 5 - (5' - chloro
with a chlonacyl chloride.
ethoxy) ethoxy-anthnaquinone and 1- amino-4-hydroxy-2
Water~insoluble dyestuffs containing at least one alkyl
.p- ( ?’abromoethoxy) ethoxyanthraquinone.
or arylsulphonyloxyalkylsulphonyl group, alkyl- or aryl
As examples of cellulose textile materials which may be
sulphonyloxyalkylsulphamyl 7 group, alkyl- or arylsul
dyed by the processes of therinvention there may be men
phonyloxyalkylarnino group, alkyl- or rarylsulphonyloxy
alikoxy group or alkyl- or =arylsulphonyloxyalkylamino 15 tioned textile materials comprising natural and regenerated
cellulose ‘for example cotton, viscose rayon and linen.
carbonyl group may be obtained by reacting a water
By the processes of the invention there are obtained
insoluble dyestuif containing at least one hydroxyalkyl
on cellulose textile materials level colorations in a wide
range of bright shades which have excellent fastness to
spectivel with an alkyl- or arylsulphonhalide respectively. 20 wet treatments suchas washing, to rubbing and to acids,
and the colorations so obtained have much better fast-ness
Water-insoluble dyestuffs containing at least one
to Wet treatments than the colorations similarly obtained
acryloylamino or trichloroacryloylamino group may be
from the corresponding dyestuffs which do not contain a
obtained by reacting a water-insoluble dyestulf contain
hydroxy group or groups.
ing at least one primary amino group with acryloyl chlo
sulphonyl, hydroxyalkylsulphamyl, hydroxyalkylamino,
hydroxyalkoxy or hydroxyalkylaminocar-bonyl group re
The invention is illustrated but not limited by the ,fol
25
ride or trichloroacryloyl chloride respectively.
‘lowing
examples in which the parts and percentages are by
Water-insoluble dyestutfs containing at least one vinyl
weight:
~sulphonylamino group may be obtained by reacting a
Example 1
water-insoluble dyestu?’ containing at least one primary
100 parts of spun viscose rayon yarn in hank form are
treated in an open dye vessel for 11/2 hours at a tempera
ture between 80° C. and 90° C. in 3000 parts of water
amino group with B-chloroethane sulphonyl chloride
when the vinylsulphonylamino group is directly obtained.
Water-insoluble azo dyestuffs containing at least one
halogenoacyl group or at least one sulphon?uoride group,
or at least one halogenoethylsulphonyl group may be
containing 1 part of 2-hydroXy-S-methyl-4’-(4”:6”-di
chloro - 1":3":5” - triazin - 2” - ylamino)azobenzene, 150
parts of sodium chloride and 30 parts of sodium meta
component, the amine and coupling ‘component being 35 silicate. The yarn is then rinsed in water, boiled in weak
soap solution, rinsed again in water and ?nally dried.
free from sulphonic acid and carboxyl-ic acid groups and
The yarn is colored a bright yellow shade which is
containing at least one halogenoacyl group, or at least
fast to washing and to light.
one sulphon?uoride group or at least one halogenoethyl
obtained by coupling a diazotised amine with a coupling
sulphonyl group‘ respectively.
7
7
Example
2
n
I
.
In all the above methods for preparing the water 40 ,100 parts of bleached cotton yarn in hank form are
insoluble dyestuffs used in the processes of the invention
treated in an open dye vessel ‘for 11/2 hours at a tempera
the starting materials are so chosen that the resulting
ture between 80° C. and 90° C. in 3000 parts of water
dyestuffs are free from- isulphonic and carboxylic acid
containing 1 part of 2-hydroxy-5-methyl-4'-[4"-chloro-6”
groups and contain at least one 'hydroxy group. '
di( ,B-hydroxyethyl) amino-l" : 3" : 5 ”-triazin~2” - ylaminol As speci?c examples of suitable water-insoluble re~ 45 azobenzene, 150 parts of sodium chloride and 30 parts
active dyestuffs which may be used in the process of
of sodium metasilicate. The'yarn is then rinsed in water,
the invention there may be mentioned Z-hydroxy-S
boiled in weak soap solution, rinsed again in water. and
methyl -4' - (4":6” -dichloro - 1":3":5" - triazin - 2"
yla-mino)azobenzene, 2 - chloro - 4 - ethanesulphonyl - 4'
N - 18 - hydroxyethyl - N - ,8 - (4”:6" - dichloro-1":3":5"
triazin-2" - ylamino) - ethylaminoazobenzene, 2 -.hy
droxy - 5 - methyl - 4' - (4”:6" - ‘dibromo - 1":3":5"
triazin - 2" - ylamino) azobenzene, 2 - hydroxy - S-methyl
4' - (4" - chloro - 6" - B - hydroxyethylamino - ;1”:3”:5"
triazin - 2" - ylamino)azobenzene, 2 - hydroxy - S-methyl
4’ - (4" - chloro - 6" - anil-ino - 1":3":5” - triazin - 2"
ylamino)azobenzer1e, 2 -, hydroxy - 5 - methyl - 4' - (4"
chloro - 6" - amino - l":3":5" é triazin - 2" - ylamino)
azobenzene, 2 - chloro - 4 - ethanesulphonyl - 4' - N - 18
hydroxyethyl - N - l8 - v(4" - chloro - 6" - hydroxy
1”:3”:5"-triazin-2" - ylamino) ethylaminoazobenzene, 2
hydroxy - 5 - methyl - 4’ - (4" -rbromo - 6" - NzN - di
(;3 - hydroXyethyDamino -
1”:3”:5” - triazin
- 2"
ylamino)azobenzene, 2 - hydroxy - 5 - methyl - 4’ - (4"
chloro - 6" -yphenyl - 1":3":5" - triazin - 2" - ylamino)
azobenzene, 1 - 4' - (4" - chloro - 6" - hydroxy-1":3”:5"
?nally
50
dried.
~
-
i
>
r
The yarn is colored a bright yellow shade which is
fast to washing and to light.
Example 3
100 parts of spun viscose rayon fabric are treated on
a dye jig for 11/2 hours at a temperature between 80° C.
and 90° C. in 1000 parts of water containing 1 part of 2
methyl-4-di-(?-hydroxyethyl)amino-4' - B - chloroethylsul
phamylazobenzene, 15 parts of sodium chloride and 10
parts of sodium metasilicate. The fabric is then rinsed in
water, boiled in weak soap solution, rinsed again in water
60 vand ?nally ‘dried.
The ‘fabric is colored a bright orange shade which is
fast to washing and to light.
-
-
Example 4
100 parts of a bleached plain weave cotton fabric are
padded with water containing 1.0% of-sodium metasilicate,
0.2% of a highly sulphonated oil, 1.0% of 1:4-biS('y
4' - (4"
chloro-?-hydroxypropylamino)anthraquinone and 0. 1 % ~ of
chloro - 6" - hydroxytriazin - 2" - ylamino) - 2:4 - di
‘a fatty alcohol/ethylene oxide condensate and the fabric
triazin - 2" - ylamino)anilinoanthraquinone,
nitrodiphenylamine,
3’ - (4” - chloro - 6" - hydroxy
l":3":5" - triazin - 2" - ylamino) - 2 - nitro - 4 - tri?uoro
methyldiphenylarnine,
2 - hydroxy - 5 - methyl - 4'
(4”:6" - dichloropyrimidine - 2" - ylamino)azobenzene,
4’ - nitro - 4 - N:N - di('y - chloro - B - hydroxypropyl)
amino - azobenzene, 1:4 - bis(~/ - chloro - e - hydroxy
70 is then squeezed between rollers until its weight is 200
parts. The fabric is then rolled up andaged at a tempera
turebetween 80° C. and 90° C. vfor 2 hours. The fabric
is then rinsed in water, scoured for 15 minutes in a boiling
i 0.3% aqueous solution of a neutral detergent, rinsed again
75 in water and ?nally dried.
3,084,016
8
The cotton fabric is colored a bright blue shade which
is printed on cotton fabric by roller printing. The printed
is fast to washing.
cotton fabric is then dried at a temperature of 70% C. and
the dry print padded through an aqueous solution con
. Example 5
taining 0.5% of sodium hydroxide. The printed cotton
A printing paste comprising
fabric is then dried at a temperature of 70% C. and treated
for 10 minutes with steam at atmospheric pressure. The
printed cotton fabric is then rinsed in water, immersed for
10 minutes in a 0.2% aqueous solution of soap at 100° C.,
Parts
l:4-bis('y-chloro - ,8 - hydroxypropylamino)anthra
quinone
‘
_
___
1
Sodium m-nitrobenzenesulphonate ______________ __
1
Sodium carbonate
_
2
; ___________________________________ __
26
Emulsion thickening _________________________ __
70
Water
___
rinsed again in water and ?nally dried.
10
A bright blue print is obtained on the cotton fabric
possessing excellent fastness to washing and to rubbing.
Example 9
A printing paste comprising
100
is printed on cotton fabric by roller printing. The printed
cotton fabric is then dried at a temperature of 70° C. and
subsequently treated for 30 minutes with steam at
Parts
2 ~ hydroxy-5-methyl-4’-(4"-6”-dichloro~1":3”:5"
atmospheric pressure. The printed cotton fabric is then
triazin-2”-ylamino)azobenzene ______________ __
1
Sodium m-nitrobenzenesulphonate _____________ __
1
rinsed in water, treated for 10 minutes in an 0.2% aqueous
Water
solution of soap at 100° C., rinsed again in water and
___
___-
Emulsion thickening (obtained as described in Ex
ample 5)----
?nally dried.
A bright reddish-blue print is obtained on the cotton
fabric possessing excellent fastness to Washing and to
28
70
100
rubbing.
I The emulsion thickening used in the above example
is applied to cotton fabric by roller printing, and the
was obtained by adding 80 parts of white spirit to a rapid
ly stirred mixture of 71/2 parts of an 8% aqueous solu
tion of a modi?ed locust bean gum, 5 parts of a 26.5%
aqueous solution of an alkylated phenol/ethylene oxide
condensate and 71/2 parts of a 20% aqueous solution of a
printed cotton fabric is then dried at a temperature of
-70° C. The dried print is then impregnated with a 2%
aqueous solution of sodium carbonate and the print im
mediately dried on a steam-heated drying cylinder. The
printed cotton fabric is then rinsed in water, immersed for
2-methyl-4-di(?-hydroxyethyl) amino-4’-?-chloroeth—
Cotton fabric is impregnated with an 0.5% aqueous
solution of sodium hydroxide, squeezed between rollers,
.until the weight of solution retained by the fabric is equal
to the original Weight of the fabric and ?nally dried. The
30 10 minutes in a 0.2% aqueous solution of soap at 100° C.,
fatty alcohol/ ethylene oxide condensate.
rinsed again in water and ?nally dried.
Example 6
A bright yellow print is obtained on the cotton fabric
In place of the printing paste used in Example 5 there
possessing excellent fastness to washing and to rubbing.
is used a printing paste comprising
Example 10
Parts 35
ylsulphamylazobenzene ____________________ ___
1
Sodium m-nitrobenzenesulphonate ______________ __
1
Sodium bicarbonate __________________________ __
2
Water
____________________________________ __
61
5% aqueous sodium alginate solution __________ __
35
40 cotton fabric is then printed on a roller printing machine
with a printing paste comprising
Parts
100
A bright orange print is obtained on the cotton fabric
1:4 - bis(7-chloro-?-hydroxypropylamino) anthra
quinone
3
45
possessing excellent fastness to washing and to rubbing.
Sodium m-nitrobenzenesulphonate _____________ __
1
Water _______ __
26
Example 7
Emulsion thickening (obtained as described in Ex
In place of the printing paste used in Example 5 there
ample 5)70
is used a printing paste comprising
50
Parts
2 - hydroxy-5-methyl-4'-[4”-chloro-6"-di(?-hydroxy
ethyl)amino - 1":3":5” - triazin-2"-ylamino]azo
benzene
.
Sodium m-nitrobenzenesulphonate ______________ __
Sodium bicarbonate _________________________ __
Water
__
2
1
2
25
Emulsion thickening (obtained as described in Ex
ample 5)
___-
__
70
‘100
and the printed cotton fabric is then dried at a tempera
ture of 70° C. The dried print is then treated for 30
minutes with steam at atmospheric pressure, rinsed in
55 water, immersed for 10 minutes in a 0.2% aqueous solu
tion of soap at 100° C., rinsed again in water and ?nally
dried.
A bright reddish-blue print is obtained on the cotton
fabric possessing excellent fastness to washing and to rub
100 00
A bright greenish-yellow print is obtained on the cotton
fabric possessing excellent fastness to washing and to
Example 11
_ In place of the printing paste used in Example 5 there
1s used a printing paste comprising
rubbing.
Example 8
A printing paste comprising
Parts
1 - 5 - hydroxyethylamino-ll-('y-chloro-?-hydroxypro
pylamino) anthraquinone ___________________ ___
Parts
1:4-bis('y-ch1oro - [8 - hydroxypropylamino)anthra
quinone
Sodium m-nitrobenzenesulphonate _____________ __
Water
I
1
1
28
Sodium m-nitrobenzenesulphonate _____________ __
Sodium carbonate
70 Water
5% aqueous sodium alignate thickening________ ___
Emulsion thickening (obtained as described in Ex
ample
5)---
I
~
hing.
___-
___
1
1
2
61
35
70
‘100 75
‘100
A bright reddish-blue print is obtained on the cotton
3,084,016
rubbing.
Example 12
In place of the printing paste used in Example 5 there
is used a printing paste comprising
material to the action of an elevated temperature to
complete the reaction of said dyestuff with said textile
material.
2. The process of claim 1, wherein said water-insoluble
dyestu? is selected from the group consisting of nitro, azo,
Parts
1 ~ methylamino-4-('y-chloro-p-hydroxypropylamino)
anthraquinone
anthraquinone, and phthalocyanine dyestuifs.
_________________ __.___- _______ _.
Sodium m-nitrobenzenesulphonate _____________ __
1
Sodium carbonate
2
.
. _
10
terial, whereby the dyestulf is attached to the cellu
lose textile material by a chemical bond,
and with an acid-binding agent and subjecting said textile
fabric possessing excellent fastness to washing and to
10
3'. Process for coloring cellulose textile ‘materials which
comprises dyeing a cellulose'textile material in a dyebath
consisting essentially of an aqueous dispersion of a dis
perse, water-insoluble dyestuft‘ free from sulfonic acid
ample 5)_.._
__
.
_
70
and carboxylic acid groups
and containing a hydroxy substituent and a group which
15
100
is capable of reacting with said cellulose textile ma
terial, whereby the dyestuff is attached to the cellu
A bright reddish-blue print is obtained on the cotton
lose textile material by a chemical ‘bond,
fabric possessing excellent fastness to washing and to‘
and which bath also contains an acid-binding agent and
rubbing.
Example 13
20 subjecting said textile material to the action of an ele
vated temperature to complete the reaction of said dye
100 parts of bleached cotton yarn are immersed in a
stuff with said textile material.
dyebath comprising 2 parts of 2-hydroxy-5-methyl-4’
4. Process for coloring a cellulose textile material
(4":6"-dichloro - 1":3":'5" - triazin - 2" - ylarnino) azo
which comprises padding a cellulose textile material
benzene dispersed in 3000' parts of water, which is held
through an aqueous dispersion of a disperse, water-insolu
at a temperature of between 18° and 20° C. 90 parts of 25 ble dyestuff free from sulfonic acid and carboxylic acid
sodium chloride are then added, the yarn agitated in the
‘groups
dyebath for 30 minutes and 15 parts of sodium hydroxide
and containing a hydroxy substituent and a group which
are then added. After agitating for a further hour the
is capable of reacting with said cellulose textile
cotton yarn is removed from the dyebath, rinsed in cold
material, whereby the dyestuff is ‘attached to ‘the
30
water, immersed for 15 minutes in a 0.3% aqueous solu
cellulose textile material by a chemical bond,
tion of neutral detergent at 100° C., rinsed again in water
which dispersion also contains an acid-binding agent, and
and ?nally dried.
thereafter subjecting the cellulose textile material to the
The cotton yarn is colored a bright yellow shade
action of an elevated temperature to complete the reaction
possessing excellent fastness to washing.
of said dyestuf‘f with said textile material.
In place of the 90 parts of sodium chloride used in the 35
5. Process for coloring cellulose textile materials which
above example there may be used 90 parts of sodium
comprises treating the cellulose textile material which has
sulphate when a similar result is obtained.
been pre-treated with an aqueous dispersion of a disperse,
water-insoluble dyestuff ‘free from sulfonic acid and car
Example 14
boxylic acid groups
100 parts of spun viscose rayon fabric are padded at
and containing a hydroxy substituent and a group which
118° C. in aqueous medium containing 1% of 2-hydroxy
is capable of reacting with said cellulose textile ma
5 - methyl-4'-(4”:6"-dichloro-1":3”:5"-triazin-2"-ylamino)
terial, whereby said dyestuff is attached to the cellu
azobenzene, 2% of sodium bicarbonate, 0.2% of a highly
lose textile material by a chemical bond,
sulphonated oil and 0.1% of a fatty alcohol/ ethylene
with an acid-binding agent, and thereafter subjecting the
oxide condensate. The fabric is squeezed between rollers 45 thus-treated cellulose textile material to the action of an
until its weight is 200 parts then -it is exposed to steam at
elevated temperature to complete the reaction of said
100° C. for 5 minutes. The colored fabric is then rinsed
dyestuff with said textile material.
in water, immersed ‘for 15 minutes in a 0.2% aqueous so
6. Process for coloring cellulose textile materials which
lution of soap, rinsed again in water and ?nally dried.
comprises dyeing the cellulose textile material in a dye~
The viscose rayon fabric is colored a bright yellow 50 bath consisting essentially of ‘an aqueous vdispersion of a
shade possessing excellent fastness to washing.
disperse, water-insoluble dyestufl free from sulfonic acid
Example 15
and carboxylic acid groups
and containing a hydroxy substituent and a group which
In place of the printing paste used in Example 8 there
is capable of reacting with said cellulose textile ma
is used a printing paste comprising
55
terial, ‘whereby the dyest-ulf is attached to the cellu
Parts
lose textile material by a chemical bond,
2-hydroxy - 5-methyl-4'-[4"—chloro-6"- dim-hydroxy
and, after at least a portion of said dyestulf in said dis
ethyl)amino - 1”:3”:5” - triazin - 2” - ylamino]azo
Water
____________________________ __._______ __
26
Emulsion thickeningtobtained as described in Ex
benzene _________________________________ __
2
Sodium m-nitrobenzenesulphonate _____________ __
1
Water
____________________________________ __
27
persion has been absorbed by said textile material, adding
Emulsion thickening (obtained as described in Ex
ample 5) _________________________________ __
an acid-‘binding agent and continuing dyeing for a further
60 period, ‘and subjecting said textile material to the action
70
of an elevated temperature to complete the reaction of
said dyestuif with said textile material.
7. Process for coloring cellulose textile materials which
comprises printing a cellulose textile material, which has
100 65
been treated with an acid-binding agent, with a printing
A bright greenish~yellow print is obtained on the cotton
fabric possessing excellent fastness to washing and to
rubbing.
What we claim is:
1. Process for coloring cellulose textile materials which 70
comprises treating the cellulose textile material with a
disperse, water-insoluble dyestuff free from sul-fonic acid
paste containing a disperse, water-insoluble dyestuff free
from sulfonic acid and car-b-oxylic acid groups
and containing a hydroxy substituent and a ‘group which
is capable of reacting with said cellulose textile mate
rial, whereby the dyestuff is attached to the cellulose
textile material by a chemical bond,
and thereafter subjecting the cellulose textile material
and carboxylic acid groups
to the action of an elevated temperature to complete the
and containing a hydroxy substituent and a group which
is capable of reacting with said cellulose textile ma 75 reaction of said vdyestuff with said textile material.
3,084,016
11
8. Process for coloring cellulose textile materials which
comprises printing the cellulose textile material with a
printing paste containing an acid-binding agent and a
disperse, water-insoluble ‘dyestu? free from sulfonic acid
and carboxylic acid groups
and containing a hydroxy substituent and a group
which is capable of reacting with said cellulose
textile material, whereby the dyestuif is attached to
the cellulose textile material by a chemical bond,
and thereafter subjecting the cellulose textile material to 10
the action of an elevated temperature to complete the
reaction of said idyestutf with said textile material.
9. Process for coloring cellulose textile materials which
comprises printing the cellulose textile material with a
printing paste containing a disperse, water-insoluble dye 15
stu?f free from sulfonic acid and carboxylic acid groups
and containing a hydroxy substituent and a group which
is capable of reacting with said cellulose textile
12
material, whereby the dyestutf is attached to the
cellulose textile material by a chemical bond,
treating the printed cellulose textile material with an acid
binding agent and thereafter subjecting the printed cellu
lose textile material to the action of an elevated tem
perature to complete the reaction of said dyestulf with
said textile material.
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,741,532
2,895,785
2,944,871
2,978,289
2,981,588
2,995,412
3,009,920
Guthrie ______________ _.. Apr. 10,
Alsberg et al. ________ __ July 21,
Atkinson et al. ______ __ July 12,
Barker et al. __________ __ Apr. 4,
Haber ______________ __ Apr. 25,
Kleb _________________ __ Aug. 8,
Jaeger et al. ________ __ Nov. 21,
1956
1959
1960
1961
1961
1961
1961
Документ
Категория
Без категории
Просмотров
0
Размер файла
933 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа