US1870868A - Sizing of dyed yarn - Google Patents

Sizing of dyed yarn Download PDF

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Publication number
US1870868A
US1870868A US292605A US29260528A US1870868A US 1870868 A US1870868 A US 1870868A US 292605 A US292605 A US 292605A US 29260528 A US29260528 A US 29260528A US 1870868 A US1870868 A US 1870868A
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United States
Prior art keywords
sizing
yarn
dyed
cellulose
bath
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Expired - Lifetime
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US292605A
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Platt Herbert
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Celanese Corp
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Celanese Corp
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Priority to US292605A priority Critical patent/US1870868A/en
Priority to GB21600/29A priority patent/GB315428A/en
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Publication of US1870868A publication Critical patent/US1870868A/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/15Proteins or derivatives thereof

Description

Patented Aug. 9, 1932 UNITED STATES PATENT OFFICE HERBERT PLA'IT, OF CUMBERLAND, MARYLAND, ASSIGNOR TO CELANESE CORPORA- TION OE AMERICA, A. CORPORATION OF DELAWARE SIZING OF DYED YARN No Drawing.
This invention relates to the sizing of yarn that has been previously dyed, and relates more particularly to the sizing of yarn containing organic derivatives of cellulose, which have been dyed with a dye that is normally insoluble in water.
An object of my invention is to dye yarns of all kinds, but particularly yarns made of.
or containing organic derivatives of celluw lose such as cellulose acetate, in such a manner that the dyed yarn suii'ers but little change in color after the sizing compound is removed.
The sizing of dyed yarn, and particularly yarn containing organic derivatives of cellulose that have been dyed with certain water insoluble dyes that are solubilized by means of a dispersing agent, has heretofore presented serious dilficulty. If an attempt is made to 2 size such dyed yarn by the ordinarymethods, it is found that the color tends to bleed both into the sizing bath and also into the bath that is used for removing the size after the required textile operation. Moreover, the textile product thus formed is often dull in color and has other undesirable characteristics.
In accordance with my invention, I treat a yarn containing organic derivatives of celluose, that has been dyed in any desired manner, with a sizing composition containing glue or gelatin that is substantially neutral and at a suitable temperature.
The yarn to be treated in accordance with my invention may contain any suitable or- 3: ganic derivatives of cellulose such as organic esters of cellulose or cellulose ethers. Examples of organic esters of cellulose are cellulose acetate, cellulose formate, cellulose-propionate and cellulose butyrate. Examples of cel- 40 lulose ethers are ethyl cellulose, methyl cellulose and benzyl cellulose.
The yarn may consist wholly of one or more of these organic derivatives of cellulose or it may be a mixed yarn containing fibres of 46 these organic derivatives of cellulose and Application filed J uly -13,
fibres of other materials such as cotton, silk or wool. Examples of such mixed yarns are mixed cellulose acetate and cotton and mixed cellulose acetate and wool.
The yarn to be sized may be dyed by any suitable dye. However, this invention is particularly applicable to yarns that have been dyed with Water insoluble dyes which have been solubilized by a dispersing agent. An example of a series of such dyes, are the anthraquinone vat dyes in the unreduced state dispersed in aqueous suspension by means of dispersing agents, such as sulpho fatty acids of which sulpho ricinoleic acid is an example. The yarn may be dyed by a single dye or by a mixture of dyes to obtain the desired color.
The sizing bath contains glue or gelatin and is substantially neutral. It may be slightly alkaline but it is preferable that it should not have an acidic reaction. Generally a sizing bath having a pH value of 7 to 7.5 is preferred in my process. The temperature of the sizing bath should preferably be from 60 to 80 0. I have found that a temperature of 70 0. produces the best results.
After the yarn has been sized in the bath it may then be woven or knitted into a fabric or subjected to any other desired textile operation. The material is then desized by submersion in or by other treatment with Water at a temperature of 50 to 70 C. but preferably C. The dye bleeds but little and the textile material thus produced is found to have a color that is substantially as bright as the dyed material before it has been sized.
In order further to illustrate my invention the following specific example is given but my invention is not limited thereto.
Example A yarn consisting wholly of cellulose acetate is dyed with any suitable dye, such as 1.4 dimethyldiamino anthraquinone or 2.4 dinitro 4 amino diphenylamine dispersed in aqueous suspensions by means of sulpho ricinoleic acid, or any other dyes such as getacyl or the so called direct or dispersol yes. The dyed yarn is then sized with a sizing composition at 70 (3., such composition being made up as follows:
Gelatin 9 pounds 10 Glycerine -3 2 pounds Castor oil a 1.5 pounds Sodium benzoate 0.25 ounce Water 260 pounds This bath is caused to have a pH value of 7.0 to 7.5 by the addition of 1 lb. ,5 ozs. to 1 lb. 6' ozs. of sodium carbonate. Because of the pH value of this sizing composition, change of shade of the dyed yarn is prevented, with practically no bleeding of the e. It is to be understood that the foregoing detailed description is given merely by Way of illustration and that many variations may be made therein without departing from the spirit of this invention.
Having described my invention, what I claim and desire to secure by Letters Patent is:
1. Method. of sizing yarn containing organic derivatives of cellulose, which yarn has previously been dyed with a water insoluble dye that is dispersed in an aqueous liquid by means of a 'sulfo-fatty acid, comprising treating the same with a sizing bath containing gelatin which bath has a vpH value of substantially 7 to 7 .5, at a temperature of 60 to 80?.
2. Method of sizing yarn containing cellulose acetate, which yarn has previously been dyed with a Water insoluble dye that is dispersed in an aqueous liquid by means of a sulfo-fatty acid, comprising treating the same with a sizing bath containing gelatin which bath has a pH value of substantially 7 to 7 .5, at a temperature of 60 to 80 C.
3. Method of sizing yarn containing cellulose acetate, which yarn has been previously dyed with an anthraquinone vat dye in the unreduced state that is dispersed in an aqueous liquid by means of a sulfo ricinoleic acid comprising treating the same with a sizing bath containing a gelatin which bath has a pH value of substantially 7 to 7.5, at a temperature of substantially 7 0.
In testimony whereof, I have hereunto subscribed my name.
HERBERT PLATT.
US292605A 1928-07-13 1928-07-13 Sizing of dyed yarn Expired - Lifetime US1870868A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US292605A US1870868A (en) 1928-07-13 1928-07-13 Sizing of dyed yarn
GB21600/29A GB315428A (en) 1928-07-13 1929-07-13 Improvements in or relating to the sizing of dyed yarns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US292605A US1870868A (en) 1928-07-13 1928-07-13 Sizing of dyed yarn

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US1870868A true US1870868A (en) 1932-08-09

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GB (1) GB315428A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415408A (en) * 1941-08-18 1947-02-11 Bergier Jacques Sizing and dressing means
US2735781A (en) * 1951-04-09 1956-02-21 Sizing of textiles
US5885306A (en) * 1994-02-01 1999-03-23 Meiji Seika Kaisha, Ltd. Method for preventing redeposition of desorbed dyes to pre-dyed fabrics or its garments and dye antiredeposition agent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415408A (en) * 1941-08-18 1947-02-11 Bergier Jacques Sizing and dressing means
US2735781A (en) * 1951-04-09 1956-02-21 Sizing of textiles
US5885306A (en) * 1994-02-01 1999-03-23 Meiji Seika Kaisha, Ltd. Method for preventing redeposition of desorbed dyes to pre-dyed fabrics or its garments and dye antiredeposition agent

Also Published As

Publication number Publication date
GB315428A (en) 1930-08-14

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