GB732779A - Improvements in method of treating cotton - Google Patents

Improvements in method of treating cotton

Info

Publication number
GB732779A
GB732779A GB28429/51A GB2842951A GB732779A GB 732779 A GB732779 A GB 732779A GB 28429/51 A GB28429/51 A GB 28429/51A GB 2842951 A GB2842951 A GB 2842951A GB 732779 A GB732779 A GB 732779A
Authority
GB
United Kingdom
Prior art keywords
acrylonitrile
cotton
per cent
fabric
water
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
Application number
GB28429/51A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Textile Technology
Original Assignee
Institute of Textile Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Textile Technology filed Critical Institute of Textile Technology
Publication of GB732779A publication Critical patent/GB732779A/en
Expired legal-status Critical Current

Links

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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/345—Nitriles
    • D06M13/348—Nitriles unsaturated, e.g. acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
    • C08B11/155—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups with cyano groups, e.g. cyanoalkyl ethers

Abstract

Cotton products are rendered resistant to attack by mildew-causing organisms by treatment with acrylonitrile in the form of vapour or of a homogeneous liquid mixture with water in the presence of an aqueous solution of an alkali metal hydroxide containing not more than 10 per cent by weight of the alkali metal hydroxide, and at a temperature near the boiling point of acrylonitrile, for such time as to combine cyano-ethyl groups with the cotton in the proportion 0.1-0.6 and particularly 0.2-0.4 group per anhydro-glucose unit. In an example cotton fabric is steeped in a 2 per cent aqueous caustic soda solution for five minutes at room temperature, centrifuged to 100 per cent liquid retention, and passed through a chamber containing acrylonitrile vapour at the boiling point of acrylonitrile at a rate to give a 2.5 minute exposure period. The chamber is provided with a reflux condenser and a baffle to shield the fabric from the returning acrylonitrile condensate. The treated fabric is washed with hot water and dried. In two further examples cotton fabrics, after treatment as above with caustic soda, are immersed in a saturated solution of water in liquid acrylonitrile at about 74 DEG C. for one and five minutes respectively. Specification 640,411 and U.S.A. Specification 2,375,847 are referred to.
GB28429/51A 1950-12-15 1951-12-04 Improvements in method of treating cotton Expired GB732779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US732779XA 1950-12-15 1950-12-15

Publications (1)

Publication Number Publication Date
GB732779A true GB732779A (en) 1955-06-29

Family

ID=22112792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28429/51A Expired GB732779A (en) 1950-12-15 1951-12-04 Improvements in method of treating cotton

Country Status (2)

Country Link
FR (1) FR1047261A (en)
GB (1) GB732779A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199943A (en) * 1961-10-09 1965-08-10 American Enka Corp Process for lowering the swelling in water of viscose cellulose by cyanoethylation in the presence of specific alkali metal salts

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812063A (en) * 1954-08-09 1959-04-15 American Cyanamid Co Cyanoethylation of cellulosic materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199943A (en) * 1961-10-09 1965-08-10 American Enka Corp Process for lowering the swelling in water of viscose cellulose by cyanoethylation in the presence of specific alkali metal salts

Also Published As

Publication number Publication date
FR1047261A (en) 1953-12-14

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