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Патент USA US2406407

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Patented Aug. 27, 1946
2,406,407
UNITED STATES PATENT OFFICE‘
FIBER TREATMENT
c
Fred J. Schiessler, Pearisburg, ‘7a., assignor to 0e1
anese Corporation oi’ America, a. corporation of
Delaware
No Drawing. Application August 26, 1944,
Serial No. 551,445
6 Claims. (01. 117-1395)
This invention relates to the conditioning of
staple ?ber materials and relates more particu
larly to the conditioning of staple ?ber mate
2
compositions are reasonably emcient and in a
large measure impart the desired processing
characteristics to the staple ?ber materials.
The ?nishing agents are applied to the cellulose
acetate or other organic derivative of cellulose
rials, having a basis of cellulose acetate or other
organic derivative of cellulose, to render the same
more amenable to textile processing operations.
staple ?ber materials by spraying the ?bers with
An object of this invention is to provide an
an aqueous emulsion oi’ the ?nishing agent or by
improved process for the treatment of cellulose
passing the ?bers through an aqueous bath con
acetate or other organic derivative of cellulose
taining the desired amount or ?nishing agent
staple ?ber materials.
10 dispersed therein. Normally, the aqueous emul
Another object of this invention is the treat
sion or dispersion is applied at about room tem
ment of cellulose acetate or other organic de
perature.
rivative of cellulose staple ?ber materials where
I have now discovered, however, that ii’ said
by static electricity developed during combing,
?nishing agents are applied at temperatures
carding and spinning operations may be easily 15 above normal room temperatures, 1. e. at tem
and quickly removed.
‘
.
Other objects of this invention will appear
peratures of 40° to 45° C. and preferably at 50°
C., the anti-static properties of said treated
from the following detailed description.
staple ?bers are substantially improved. In ad
In processing staple ?ber materials having a
dition, the treated ?bers possess to an enhanced
basis of cellulose acetate or other organic de 20 degree, all the necessary characteristics for
rivative of cellulose, which are to be spun into
smooth and even spinning into yarns.
‘
yarns, threads, and the like, various liquid ?nish
In order further to illustrate my invention, the
ing agents are applied to said staple ?ber mate
following example is given:
rials to impart the desired frictional and elec
Example
trical properties thereto. These ?nishing agents 2
enable the treated staple ?ber materials to be
A staple ?ber ?nishing agent having a basis of
spun into yarns in a smooth and even manner
partially sulionated oleic acid and partially sul
and at the same time permit the static electricity
generated as a result of the friction between the
i'onated peanut oil is applied in the form of a
2% aqueous emulsion at a temperature 01’ 50° C.
?bers and between ?bers and machine elements 30 to cellulose acetate ?laments of about 3 denier
to be removed. The presence of charge of static
per ?lament and a staple ?ber length oiI about
electricity on the ?bers creates a. substantial
1.5 inches.
problem since it not only causes the short lengths
The mode oi’ application of the emulsion of
of ?ber to stick to the machinery but causes them
conditioning agent comprises passing the staple
to resist adherence to each other during spin
?bers in the form 01' a web or batt through the
ning operations. This di?lculty is particularly
aqueous emulsion oi’ the ?nishing agent con
aggravated when the textile operations are con~
tained in a trough, the ?bers being compressed
ducted under conditions of low temperature and
as they enter the trough, allowed to expand
low humidity.
therein so as to absorb the emulsion and then
The ?nishing agents employed are usually ap 40 squeezed as they leave the trough. The opera
plied to the staple ?bers in the form oi an aqueous
tion places about 1.25%, by weight, of ?nishing
emulsion and, after the removal 01' the water,
agent on the staple ?bers. After evaporation of
the ?nishing agent is left uniformly distributed
the water, the ?bers are then processed into
yarns. The processing characteristics, and par
ing agents have been employed, very advan 45 ticularly the anti-static properties, are found to
tageous results have been obtained, for example,
be substantially superior to those 01’ cellulose ace
by employing ?nishing agents comprising a
tate staple ?bers treated in the same way with
suli'onated long chain higher fatty acid, a. sul
the same emulsion of ?nishing agent but at tem
fonated vegetable oil, mineral oil, an organic
peratures 01' 25° C. to 35° C.
electrolyte and blending agents having a spread 50 The ?nishing agent employed is prepared by '
ing or penetrating action, such as long chain
reacting a. mixture of oleic acid, a vegetable oil,
aliphatic alcohols or alkyl substituted phenols,
such as peanut oil, and mineral oil with 20%
the acids present being substantially neutralized
oleum whereby the oleic acid and vegetable oil
by adding sodium hydroxide and a hydroxyalkyl
are partially suli’ated and/or sulfonated and then
amine, such as trlethanolamine, thereto. Such 55 adding to the sulionated mixture a spreading and
over the ?bers.
While a wide variety of ?nish
2,400,407
penetrating agent, i. e.. diamyl phenol. as well
as triethanolamine and aqueous sodium hy
droxide so as to substantially neutralize any free
acid. Water and a fungicide such as sodium
one emulsion to said ?bers at a temperature of
at least 40° C'.
3. In a process for rendering staple ?bers hav
ing a basis of an organic derivative 01' cellulose
more amenable to textile operations by applying
ortho-phenyl phenate may then be added to in
a conditioning agent thereto comprising the re
hibit the growth of undesirable organisms in the
action product of a mixture or a long chain higher
resulting mixture. The preparation 01' said
fatty acid, a vegetable oil and mineral oil with
?nishing agents is more particularly described in
oleum, having added thereto a penetrating agent
co-pending U. 8. application 8. No. 470,662, ?led
10 and neutralized with alkali and a hydroxyaikyl
on December 30, 1042.
amine. the step which comprises applying said
While this invention has been more partic
conditioning agent in the form of an aqueous
ularly described in connection with the treatment
emulsion to said ?bres at a temperature of at
least 40° 0., and then removing the water there
a basis of other organic derivatives of cellulose 1‘ from.
4. In a process for rendering staple ?bers hav
may be improved in a similar manner. Examples
ing
a basis of cellulose acetate more amenable
of other organic derivatives oi’ cellulose are cel
of staple ?bers having a basis of cellulose acetate.
the processing qualities of staple ?bers having
lulose esters, such as cellulou propionate and
cellulose butyrate. mixed esters such as cellulose
to textile operations by applying a conditioning
agent thereto comprising the reaction product
acetate-propionate and cellulose acetate-bu 20 of a mixture of a long chain higher fatty acid,
a vegetable oil and mineral oil with oleum, hav
tyrate, and cellulose ethers such as ethyl cellulose
ing added thereto a penetrating agent and neu
and benzyl cellulose.
tralize-d with alkali and a hydroxyalkyl amine, the
It is to‘ be understood that the foregoing de
step which comprises applying said conditioning
tailed description is given merely by way of ii
lustration and that many variations may be 25 agent in the form of an aqueous emulsion to said
?bers at a temperature of at least 40° C., and
then removing the water therefrom.
of my invention.
5. In a process for rendering staple ?bers hav
Having described my invention. what I desire
ing
a basis of cellulose acetate more amenable
to secure by Letters Patent is:
to textile operations by applying a conditioning
1. In a process for rendering staple ?bers hav
agent thereto comprising the reaction product of
ing a. basis of an organic derivative of cellulose
a mixture of oleic acid, peanut oil and mineral
more amenable to textile operations by applying
oil with 20% oleum, having added thereto diamyl
a conditioning agent thereto comprising the re
phenol and neutralized with sodium hydroxide
action product oi’ a mixture or a long chain
made therein without departing from the spirit
higher fatty acid, a vegetable oil and mineral 85 and triethanolamine, the‘ step which comprises
applying said conditioning agent in the form of
oil with oleum, having added thereto a penetrat
an aqueous emulsion to said ?bers at a tempera
ing agent and neutralized with alkali and a hy
ture of at least 40° C.
droxyalkyl amine. the step which comprises ap
6. In a process for rendering staple ?bers hav
plying said conditioning agent to said ?bers at
ing a basis of cellulose acetate more amenable
a temperature of at least 40° C;
to textile operations by applying a conditioning
2. In a process for rendering staple fibers hav
agent thereto, comprising the reaction product
ing a basis oi‘ an organic derivative oi’ cellulose
of a mixture of oleic acid, peanut oil and mineral
more amenable to textile operations by applying
oil with 20% oleum, having added thereto diamyl
a conditioning agent thereto comprising the re
action product c! a mixture of a long chain 45 phenol and neutralized with sodium hydroxide
and trlethanolamine, the step which comprises
higher fatty acid, a vegetable oil and mineral oil
applying said conditioning agent in the form of
with oleum, having added thereto a penetrating
an aqueous emulsion to said ?bers at a tempera
agent and neutralized with alkali and a hydroxy
alkyl amine, the step which comprises applying 60 ture of from 40° to 50° C.
said conditioning agent in the form oi’ an aque
F. J. SCI-HESSLER.
Certi?cate oi! Correction
August ‘27, 1946.
Patent No. 2,406,407.
FRED J. SCHIESSLER
that
errors appear in the printed spe ci?cation of the above
It is hereby certi?ed
for “charge”
numbered patent requiring correction as follows: Column 1, line _31
read charges; line 49, for “organic” read inorganic; and that’the said Letters Patent
should be read with these corrections therein that the same may conform to the
record of- the case in the Patent Oi?ce.
Signed and sealed this 5th day of November, A. D. 1946.
[ml
LESLIE FRAZER,
First Assistant Commissioner of Patents.
2,400,407
penetrating agent, i. e.. diamyl phenol. as well
as triethanolamine and aqueous sodium hy
droxide so as to substantially neutralize any free
acid. Water and a fungicide such as sodium
one emulsion to said ?bers at a temperature of
at least 40° C'.
3. In a process for rendering staple ?bers hav
ing a basis of an organic derivative 01' cellulose
more amenable to textile operations by applying
ortho-phenyl phenate may then be added to in
a conditioning agent thereto comprising the re
hibit the growth of undesirable organisms in the
action product of a mixture or a long chain higher
resulting mixture. The preparation 01' said
fatty acid, a vegetable oil and mineral oil with
?nishing agents is more particularly described in
oleum, having added thereto a penetrating agent
co-pending U. 8. application 8. No. 470,662, ?led
10 and neutralized with alkali and a hydroxyaikyl
on December 30, 1042.
amine. the step which comprises applying said
While this invention has been more partic
conditioning agent in the form of an aqueous
ularly described in connection with the treatment
emulsion to said ?bres at a temperature of at
least 40° 0., and then removing the water there
a basis of other organic derivatives of cellulose 1‘ from.
4. In a process for rendering staple ?bers hav
may be improved in a similar manner. Examples
ing
a basis of cellulose acetate more amenable
of other organic derivatives oi’ cellulose are cel
of staple ?bers having a basis of cellulose acetate.
the processing qualities of staple ?bers having
lulose esters, such as cellulou propionate and
cellulose butyrate. mixed esters such as cellulose
to textile operations by applying a conditioning
agent thereto comprising the reaction product
acetate-propionate and cellulose acetate-bu 20 of a mixture of a long chain higher fatty acid,
a vegetable oil and mineral oil with oleum, hav
tyrate, and cellulose ethers such as ethyl cellulose
ing added thereto a penetrating agent and neu
and benzyl cellulose.
tralize-d with alkali and a hydroxyalkyl amine, the
It is to‘ be understood that the foregoing de
step which comprises applying said conditioning
tailed description is given merely by way of ii
lustration and that many variations may be 25 agent in the form of an aqueous emulsion to said
?bers at a temperature of at least 40° C., and
then removing the water therefrom.
of my invention.
5. In a process for rendering staple ?bers hav
Having described my invention. what I desire
ing
a basis of cellulose acetate more amenable
to secure by Letters Patent is:
to textile operations by applying a conditioning
1. In a process for rendering staple ?bers hav
agent thereto comprising the reaction product of
ing a. basis of an organic derivative of cellulose
a mixture of oleic acid, peanut oil and mineral
more amenable to textile operations by applying
oil with 20% oleum, having added thereto diamyl
a conditioning agent thereto comprising the re
phenol and neutralized with sodium hydroxide
action product oi’ a mixture or a long chain
made therein without departing from the spirit
higher fatty acid, a vegetable oil and mineral 85 and triethanolamine, the‘ step which comprises
applying said conditioning agent in the form of
oil with oleum, having added thereto a penetrat
an aqueous emulsion to said ?bers at a tempera
ing agent and neutralized with alkali and a hy
ture of at least 40° C.
droxyalkyl amine. the step which comprises ap
6. In a process for rendering staple ?bers hav
plying said conditioning agent to said ?bers at
ing a basis of cellulose acetate more amenable
a temperature of at least 40° C;
to textile operations by applying a conditioning
2. In a process for rendering staple fibers hav
agent thereto, comprising the reaction product
ing a basis oi‘ an organic derivative oi’ cellulose
of a mixture of oleic acid, peanut oil and mineral
more amenable to textile operations by applying
oil with 20% oleum, having added thereto diamyl
a conditioning agent thereto comprising the re
action product c! a mixture of a long chain 45 phenol and neutralized with sodium hydroxide
and trlethanolamine, the step which comprises
higher fatty acid, a vegetable oil and mineral oil
applying said conditioning agent in the form of
with oleum, having added thereto a penetrating
an aqueous emulsion to said ?bers at a tempera
agent and neutralized with alkali and a hydroxy
alkyl amine, the step which comprises applying 60 ture of from 40° to 50° C.
said conditioning agent in the form oi’ an aque
F. J. SCI-HESSLER.
Certi?cate oi! Correction
August ‘27, 1946.
Patent No. 2,406,407.
FRED J. SCHIESSLER
that
errors appear in the printed spe ci?cation of the above
It is hereby certi?ed
for “charge”
numbered patent requiring correction as follows: Column 1, line _31
read charges; line 49, for “organic” read inorganic; and that’the said Letters Patent
should be read with these corrections therein that the same may conform to the
record of- the case in the Patent Oi?ce.
Signed and sealed this 5th day of November, A. D. 1946.
[ml
LESLIE FRAZER,
First Assistant Commissioner of Patents.
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