GB923588A - Process for making wool shrinkproof and feltproof - Google Patents

Process for making wool shrinkproof and feltproof

Info

Publication number
GB923588A
GB923588A GB14978/60A GB1497860A GB923588A GB 923588 A GB923588 A GB 923588A GB 14978/60 A GB14978/60 A GB 14978/60A GB 1497860 A GB1497860 A GB 1497860A GB 923588 A GB923588 A GB 923588A
Authority
GB
United Kingdom
Prior art keywords
wool
acid
bromate
alkali
air
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
GB14978/60A
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.)
DIRECTOR OF SECTION FOR IN
Original Assignee
DIRECTOR OF SECTION FOR IN
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 DIRECTOR OF SECTION FOR IN filed Critical DIRECTOR OF SECTION FOR IN
Priority to GB14978/60A priority Critical patent/GB923588A/en
Priority to US103342A priority patent/US3106440A/en
Priority to DED35922A priority patent/DE1143780B/en
Publication of GB923588A publication Critical patent/GB923588A/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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/54—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur dioxide; with sulfurous acid or its salts
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Wool is rendered shrinkproof and feltproof and may be bleached by impregnating it with an aqueous bromate liquor containing a wetting agent, freeing it from excess impregnating liquor by squeezing so that it has a liquor pick-up of 30-130% by weight, calculated on the air-dry wool, and successively treating it with an acid at a temperature of at least 25 DEG C., an aqueous solution of a reducing agent and an alkaline neutralizing agent. The bromate may be an alkali or alkaline earth metal bromate, e.g. an aqueous solution containing 20-80 g. per litre of potassium bromate, and the bromate solution may contain at least one alkali or alkaline earth metal chloride. The acid which may be inorganic, e.g. hydrochloric, sulphuric and perchloric acids, or organic acid may be applied by immersing the wool in the acid, by spraying the acid on to the wool which may be warmed by means of infra red lamps or in the case of volatile acids, e.g. gaseous HCl, by exposing the impregnated wool to the gaseous or vaporous acid. The reduction is preferably carried out at 30 DEG -50 DEG C. with dilute aqueous solutions containing 0,-1% by weight of the reducing agent, e.g. alkali metal sulphites, bisulphites, thiosulphates and hydrosulphites, and the wool is then neutralized with, for example, dilute aqueous ammonia or a dilute aqueous solution of an alkali metal carbonate or bicarbonate. The handle of the wool may be modified by after treating it with an aqueous soap solution at 30 DEG -50 DEG C. and the wool may subsequently be dyed. Any bromine produced during the acid treatment of the wool may be removed by bubbling a stream of air through the acid bath or by recirculating the acid bath through a column in countercurrent with a stream of air. The wool may be in the form of tops or loose fibres, yarns or woven or knitted fabrics, blankets or felts, alone or in admixture with natural, artificial or synthetic fibres, e.g. cotton, viscose rayon, polyamide, polyester and polyacrylic fibres. Specifications 614,271 and 798,236 are referred to.
GB14978/60A 1960-04-28 1960-04-28 Process for making wool shrinkproof and feltproof Expired GB923588A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB14978/60A GB923588A (en) 1960-04-28 1960-04-28 Process for making wool shrinkproof and feltproof
US103342A US3106440A (en) 1960-04-28 1961-04-17 Shrinkproofing and feltproofing with acid bromate wetting agent solution
DED35922A DE1143780B (en) 1960-04-28 1961-04-26 Process for shrinking and felting wool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14978/60A GB923588A (en) 1960-04-28 1960-04-28 Process for making wool shrinkproof and feltproof

Publications (1)

Publication Number Publication Date
GB923588A true GB923588A (en) 1963-04-18

Family

ID=10050913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14978/60A Expired GB923588A (en) 1960-04-28 1960-04-28 Process for making wool shrinkproof and feltproof

Country Status (3)

Country Link
US (1) US3106440A (en)
DE (1) DE1143780B (en)
GB (1) GB923588A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276409A (en) * 1961-03-27
US3236585A (en) * 1962-09-05 1966-02-22 Prec Processes Textiles Ltd Process for reducing tendency of wool to felt
US3395216A (en) * 1964-11-09 1968-07-30 Clairol Inc Process for uniformly waving damaged hair

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB551310A (en) * 1941-05-15 1943-02-17 Tootal Broadhurst Lee Co Ltd Improvements in the process of treating wool or the like to reduce its tendency to felt
US2714051A (en) * 1949-04-15 1955-07-26 Albany Felt Co Process for preventing the fulling shrinkage of wool
GB723561A (en) * 1952-03-04 1955-02-09 Prec Processes Textiles Ltd Improvements in or relating to the treatment of material consisting wholly or partlyof wool to reduce its tendency to felt-shrink
US2923596A (en) * 1955-06-05 1960-02-02 Ministry Of Agriculture Method of rendering wool unshrinkable and non-felting

Also Published As

Publication number Publication date
DE1143780B (en) 1963-02-21
US3106440A (en) 1963-10-08

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