US2384871A - Treatment of textile fabrics - Google Patents
Treatment of textile fabrics Download PDFInfo
- Publication number
- US2384871A US2384871A US555034A US55503444A US2384871A US 2384871 A US2384871 A US 2384871A US 555034 A US555034 A US 555034A US 55503444 A US55503444 A US 55503444A US 2384871 A US2384871 A US 2384871A
- Authority
- US
- United States
- Prior art keywords
- fabric
- fibres
- resin
- formaldehyde
- raised
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/423—Amino-aldehyde resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
Definitions
- My invention relates to obtaining improved results in the raising of textile fabrics containing fibres selected from the group consisting of cotton, wool, regenerated cellulose and casein.
- textile fabrics with improved handle and appearance can be obtained 1 if the fibres be treated with an intermediate resin, or the ingredients thereof, before the raising operation is performed, and then, after the raising, the intermediate resin be converted into the insoluble form.
- any suitableresin can be employed. I have found the resin obtainable from cyan'amide and formaldehyde as described in the specification of Letters Patent No.
- the intermediate resin can be applied to the fibres at any stage before the actual raising process; for instance it can be applied to the fabric after the same has been woven or knitted, and either before or after dyeing, or it can be applied to the thread before its conversion into fabric, or it can even be applied to the staple fibre, before this latter is converted into thread.
- the following examples will serve to illustrate this invention, which however, is not limited to these examples.
- Example 1 Two solutions are prepared as follows: Solution A.5,000 parts'of neutral 40 per cent formaldehyde solution and 2,160 parts of urea are mixedtogether, caustic soda is added until the above and the fabric is then dried in a stove at mixture has a pH of 9 to 9.5 and the whole heated for four minutes at the boil, or 10 minutes at 80 centigrade, cooled rapidly and the Solution A obtained by dissolving parts of this precondensate mixture in 40 parts of Water.
- Solution B 0.16 part of boric acid and 0.52 part of per cent lactic acid are dissolved in 20 parts of water.
- the impregnating solution is prepared by stirring Solution B into Solution A and is used immediately.
- a 100 per cent viscose rayon fabric, woven in 2 x 2 twill from rayon staple sold under the registered trade-mark Fibre, which has been scoured, dyed and dried is treated on a pad mangle with the impregnating solution prepared to centigrade.
- the fabric is then stentered to width and after conditioning raised on a card wire machine.
- the raised fabric is heated for 5 to 10 minutes at to centigrade and is stentered to width while live steam is blown through the fabric, preferably from the unraised to the raised side of the fabric in order to remove residual formaldehyde.
- the raised fabric obtained is of improvedhandle and appearance compared with a raised fabric which has not been given the resin treatment.
- Emmpl 2 A 100 per cent viscose rayon fabric made from I 4.5 denier 2 'inch,matt rayon staple sold under the registered trade-mark "Fibro is scoured, dyed anddried and then treated on a pad mangle with a. padding liquor consisting of 4 per cent of cyanamide, 3' per cent of formalin (40 per cent formaldehyde) and 2 per cent of ammonium thiocyanate at a pH of 6.0. The padding should be carried outv as soon as possible after mixing the solution.
- the fabric is dried at 60 to 90 centigrade and, stentered to width. It is evenly damped with water and raised on a raising teasel gig.
- the fabric is-then dried and heated for 5 minutes at 140 to centigrade and stentered to width. Live steam may be blown through the fabric on the stenter to remove any residual,
- a softening agent may be added to the impregnating solutionsof Examples land 2. What I claim is:
- a process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating fibres with-an intermediate resin, subjecting the fabric containing said'fibres to a raising operation and thereafter converting 65 the intermediate resin intothe insoluble form.
- a process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating fibres with an intermediate resin from cyanamide and formaldehyde, subjecting the fabric containing said fibres to 8. raising operation and thereafter converting the intermediate resin into the water-insoluble cyanamideformaldehyde resin.
- a process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating fibres with an intermediate resin from urea and formaldehyde, subjecting the fabric containing said fibres to a raising operation and thereafter converting the intermediate resin into the water-insoluble urea-formaldehyde resin.
- a process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating regenerated cellulose fibres with an intermediate resin, subjecting the fabric con- 0 taining said fibres to a raising operation and thereafter converting the intermediate resin into the insoluble form.
Description
Patented Sept. 18, 19 45 TREATMENT OF TEXTILE FABRICS Cyril Pearson Atkinson, Baildon, England, as-
signor to Courtaulds Limited, London, England,
a British company No Drawing. Application September 20, 1944, Se-
rial No. 555,034. In Great Britain October 28,
6 Claims.
It has long been known to subject textile fabrics to 8. raising process, which essentially consists in carding or brushing the surface by means of teasels or wire cards, with the object of producing a nap on the fabric. When this process is applied to fabrics which have been woven from 'staple fibre threads, either natural threads such as cotton and wool, or artificial staple fibre such as that produced from viscose or other solutions of cellulose or cellulose derivatives, the process or raising pulls out some of the loose ends of the short pieces of fibre, leaving them projecting from the surface in the form of a nap. It is possible, however, for some of the short fibres also to be broken into still shorter lengths. When the fabric which is subjected to the raising process is made from threads of continuous artificial filaments, some of these filaments are broken, and the ends then project from the surface of the fabric, forming a nap.
My invention relates to obtaining improved results in the raising of textile fabrics containing fibres selected from the group consisting of cotton, wool, regenerated cellulose and casein. I have now found that such textile fabrics with improved handle and appearance can be obtained 1 if the fibres be treated with an intermediate resin, or the ingredients thereof, before the raising operation is performed, and then, after the raising, the intermediate resin be converted into the insoluble form. When carrying out this invention any suitableresin can be employed. I have found the resin obtainable from cyan'amide and formaldehyde as described in the specification of Letters Patent No. 2,234,905 to be particularly use-' ful, but other resins may also be used, such as the resin from urea and formaldehyde, and the resin obtainable from glycerine and phthalic anhydride. The intermediate resin can be applied to the fibres at any stage before the actual raising process; for instance it can be applied to the fabric after the same has been woven or knitted, and either before or after dyeing, or it can be applied to the thread before its conversion into fabric, or it can even be applied to the staple fibre, before this latter is converted into thread. The following examples will serve to illustrate this invention, which however, is not limited to these examples. The parts-are by weight:
Example 1 Two solutions are prepared as follows: Solution A.5,000 parts'of neutral 40 per cent formaldehyde solution and 2,160 parts of urea are mixedtogether, caustic soda is added until the above and the fabric is then dried in a stove at mixture has a pH of 9 to 9.5 and the whole heated for four minutes at the boil, or 10 minutes at 80 centigrade, cooled rapidly and the Solution A obtained by dissolving parts of this precondensate mixture in 40 parts of Water.
Solution B.0.16 part of boric acid and 0.52 part of per cent lactic acid are dissolved in 20 parts of water.
The impregnating solution is prepared by stirring Solution B into Solution A and is used immediately. A 100 per cent viscose rayon fabric, woven in 2 x 2 twill from rayon staple sold under the registered trade-mark Fibre, which has been scoured, dyed and dried is treated on a pad mangle with the impregnating solution prepared to centigrade. The fabric is then stentered to width and after conditioning raised on a card wire machine. The raised fabric is heated for 5 to 10 minutes at to centigrade and is stentered to width while live steam is blown through the fabric, preferably from the unraised to the raised side of the fabric in order to remove residual formaldehyde. The raised fabric obtained is of improvedhandle and appearance compared with a raised fabric which has not been given the resin treatment.
formaldehyde.
Emmpl 2 A 100 per cent viscose rayon fabric made from I 4.5 denier 2 'inch,matt rayon staple sold under the registered trade-mark "Fibro is scoured, dyed anddried and then treated on a pad mangle with a. padding liquor consisting of 4 per cent of cyanamide, 3' per cent of formalin (40 per cent formaldehyde) and 2 per cent of ammonium thiocyanate at a pH of 6.0. The padding should be carried outv as soon as possible after mixing the solution. The fabric is dried at 60 to 90 centigrade and, stentered to width. It is evenly damped with water and raised on a raising teasel gig. The fabric is-then dried and heated for 5 minutes at 140 to centigrade and stentered to width. Live steam may be blown through the fabric on the stenter to remove any residual,
If desired, a softening agent may be added to the impregnating solutionsof Examples land 2. What I claim is:
1. A process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating fibres with-an intermediate resin, subjecting the fabric containing said'fibres to a raising operation and thereafter converting 65 the intermediate resin intothe insoluble form.
2. A process of obtaining raised fabrics of improved handle and appearance, which includes the steps of treating fibres with an intermediate resin from cyanamide and formaldehyde, subjecting the fabric containing said fibres to 8. raising operation and thereafter converting the intermediate resin into the water-insoluble cyanamideformaldehyde resin.
3. A process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating fibres with an intermediate resin from urea and formaldehyde, subjecting the fabric containing said fibres to a raising operation and thereafter converting the intermediate resin into the water-insoluble urea-formaldehyde resin.
4. A process of obtaining raised fabrics of improved handle and appearance which includes the steps of treating regenerated cellulose fibres with an intermediate resin, subjecting the fabric con- 0 taining said fibres to a raising operation and thereafter converting the intermediate resin into the insoluble form.
5. A process of obtaining raised fabrics of im- 7 'ble urea-formaldehyde resin.
CYRIL PEARSON ATKINSON.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB17790/43A GB570696A (en) | 1943-10-28 | 1943-10-28 | Improvements in and relating to the treatment of textile fabrics |
Publications (1)
Publication Number | Publication Date |
---|---|
US2384871A true US2384871A (en) | 1945-09-18 |
Family
ID=10101238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US555034A Expired - Lifetime US2384871A (en) | 1943-10-28 | 1944-09-20 | Treatment of textile fabrics |
Country Status (2)
Country | Link |
---|---|
US (1) | US2384871A (en) |
GB (1) | GB570696A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2639240A (en) * | 1948-06-26 | 1953-05-19 | Armstrong Cork Co | Shoe stiffener and method of making same |
-
1943
- 1943-10-28 GB GB17790/43A patent/GB570696A/en not_active Expired
-
1944
- 1944-09-20 US US555034A patent/US2384871A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2639240A (en) * | 1948-06-26 | 1953-05-19 | Armstrong Cork Co | Shoe stiffener and method of making same |
Also Published As
Publication number | Publication date |
---|---|
GB570696A (en) | 1945-07-18 |
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