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Патент USA US2128189

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Patented Aug. 23, 1938
~%
2,128,189
UNITED- STATES PATENT OFFICE
IMOTHPROOFING FABRICS
Lindley
Mills andtoWilliam‘ W. Allen, Midland,
Mich, E.assignors
No Drawing. Applicationoctober 16, 1937...
'
Serial N0._‘169,471
'
5 Claims.
This invention relates to the protection of fur, (c1. z_1_5)~v
‘
anv odorless water-white liquid boiling at
2739-275“ 0. at 0.5millimeter-.pressure and hav—
hair, feathers, wool, etc. against the attack of
It more particularly concerns
the moth
‘
proo?ng of fabrics.
5
ing a speci?c gravity of 1.198 at 60°/4° C. This
Some agents heretofore employed for moth
proo?ng are capable of‘attacking or stainingthe
treated material. Other mothproo?ng agents
are highly volatile and impermanent in nature‘
-
.In the numerous testsvcarried out to establish 3 10
phosphate as
, and other ma- 15
and to woolen
resistant and
clothes moth or the tapestry moth, and concen- 20 ‘
25
out of woolen material and the like.
_Among the objects of this invention 'is to pro
The following examples are illustrative of cer- v
tain modes in which our invention may be ap—' 25
plied, hutrare not to be construed as limiting‘ the same.
~
'
a
Example 1
'_
"
I
.7
"
r_
'
>_
t
,
' A number. ‘of samples of .white’ wool I' mohair
cloth were saturated with 3 and'5gper cent solu- 30
of mono-phenyl-di- (ortho-xenyl) -phos
phate in ethyl alcohol, thereafter pressed to re
otherwise injuring the material.
We have discovered that the'above ‘advantages
of the black carpet beetle’were placed and the
H
can be obtained by‘ employing mono_phenyl-di_-'
(ortho-xenyD-phospha'te as av mothproo?ng
‘or other attack directlyattributable'to the beetle
relative
v
cent. Examina- 45
In each instance one of the 5
»
larvae was dead on the samples impregnated 50
with 5 per cent phosphate solution. 'In the case
"1: * ‘
over the same period upon mohpirtreated by 'im-
ing, showed no discoloration. ‘The preservative
mersion in ethyl alcohol and-petroleum distillate , showed no tendency
to crystallize
outnor
or to
the impregnated
fabric,
wasvola
the
from
a by‘ the larvae tilize
fabric greasy or oily to the
after
one week,
moderate
two weeks, }
and heavy
feeding
atf‘thefeeding
end of after
thethree-week
Mono-phenyl-di-(ortho-xenyliq-phosphate
period'
-
'
'
j
_
Example 2
'
. ' '
~
has a
bc?n foundtojbe substantially} non-toxic to hu
'
mans and: animals.
For example‘._ 01791 m?city
Samples of the impregnated mohair described gfltfzgégyéoni?zzig‘g'gtgiggagmgg
in the foregoing example were thoroughly dried ofwthe .huspomte er mm mm
'
weight 10
and then immersed and well washed in an excess
f the _p bba _ Inga
g a is mbodsh'w , o
‘
of a 4 petroleum distillate dry-cleaning’ ?uid. o
m y '
-. comma”
.n- n“
_ -me samples were dried. and exposed to came‘- , flammable and has been'found of value for-re
beetle larvae as described in-Example 1. 'or the " duessthflgisemmw “if m“ ‘.15 ‘ind
mm“ “mm” “Emmy “mews-ted Wm‘ “*3
soiviii‘iigd?w??r-tiiényi-n;(time 1t
‘- Percent Phosphate solution, one sample sh0w8¢~ '7 "xenyll-phosphate forming solutions ‘which may no
slight
feeding
feeding
at the
at the
endendof
two~weeks,,.with
three weeks verymilieu-WWW“
< wands
> ~ bhvdrfbqcarcn'comwunv:
; I
~m°tgpmonng
a.
"- 1' mng’im- ,an(-1 '18
d
‘ of ‘Mm
»
2:33: iié'ékti‘?impli‘é’s grigi-naliyttirfitpiezgg 9f“ ‘@nmmm swede mime- “mm-‘Want
with a 5 per cent Phosphate solution showed no cmggsbegffgeasagg?gen?é asl'm?g: 2°
_
.7 I
-
.
feeding at the end
of three weeks.
- Example
3
-
_
hols such-as methyl and isopropyl aic
oi; etc.
Perfumes, coloringagents and the ' I
7
~ be
‘ may
__
Samples of the woolen, mohair fabric, follow- . inci’mmted in thefmothpl'm mud» n 4?‘
Vin'g impregnation as describedinllixample 1 with
3 and 5 per cent solutions of'mono-Pheny14di-l Q
“L
'
" a
~
., '
.
_ ‘2.5
gmmxghmkgifw?wglj
'(ortho-xenyD- hosphate, were-dried and there- Phm
1. =
after weathered out-of-doors for a number/of --'i-v,9n.t' 59° , compo-
'- awzeremm- ed‘? in»
QFTWB'Y'
‘ .y ‘9,3
9'3
days e posed to sun,.wind, and rain. when care, ' gmWQ?WPPb?’“oipmei'vwet'm' °"- emd'
beetlelarvae wereintroducedinto'these' same 1.1”‘? $3‘??? ‘Wm-“W75
oxitgel'cmeaninsg 30
Dies, none of them showed any feeding after‘: "entered-4mm“
three weeks'incubation.
, .
'
_- with‘;
mm 4
,
new
Samples of the im regnated woolen mohair,
:3 am
‘
'
fw‘
' r
'
"
‘i
,: 1.- A Pmcessmr m°mpr°9 .
by .
’W°°_en “ 1' c5 35
. after- drying, were tho?oughly washed in a 0.5 per a ?nd other} materials subject to attack by moths
cent solution of Ivory soap in water at a tempera-i , Ymch °°mpri$e5 ‘ treating ; such material with
hire ‘of 40° 0. After 20 minutes’ contact with the 1 'maao-phenyi-di-(who-Kenn) -phosphate
soap solution, ‘these test samples were
m .
A processgfor _-mothbroo?ng woolen fabrics
running water and dried. Upon infestation with and “he? ‘materials subject’ to a
by mom 40
the carpet beetle larvae, it was found that after' which ‘59111911355 treating such mater!“ with 9'
two weeks’ incubation none of the impregnated‘
v ‘
?onllwmpmm? mono‘? m?'Q'QI?m'
samples were attacked, while after three weeks ‘Wyn-Phosphate (Named in an 918"“ 8°‘
.only
of the
samples
a very slight
ury one
which
might
have showed
been attributable
to in-y
at-
tack by the
larvae.
'
' '
‘
,
'
Example 5 >
"
-
In a similar mannerwoolen cloth was impreg-
'
\ vi:
_
- “PW:
3- A process for moihpm?n?
‘mien ._ hm“
vand
other materials subject to attack by moth!
‘which "comprises treating such materials with a
-
composition comprising mono-phenyl-dir-(ortho
Ken?” 'Pho?phate dissolved in - a lower ?ipbi-uc
hated with a 5 per cent solution of mono-phenylv
.
'
‘
'
>
‘
5
.di-..(ortho.-xenyl)-phosphate~
“in "carbon tetrar- ' alcohol.
4-. _'A
process
for mothproofing
woolen
and
other
materials
subject. to attack
by fabrics
vmoths
teriall
with'a‘
‘chloride. “Following infestation with the black
carpet beetle -larvae and incubation for three
which comprises trea
‘
a
composition comprising mono-phenyl-di-(ortho
xenyl) -'phosphate,diss0lved in a liquid chlorin
cloth was found to be unattacked by
‘hydrocarbon.
thebee‘tle larvae and to be unaltered as regards ated
5. A
compositions-consisting of materialthereilr
liable ‘
hysical characteristics.
'
to attack by moths; having‘incorpora
examples
no
staining‘mt'tne
'
In‘ the foregoing
and the fabric
' weeks, the
impregnated cloth- ~was .
itself was not
'
mono-phenyl-di-(ortho-xenyn- ,
.- -_
, .
LINDLIY B 1011.8.
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