Патент USA US2128189код для вставки
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.