GB1002064A - Improvements in the treatment of cellulosic materials - Google Patents

Improvements in the treatment of cellulosic materials

Info

Publication number
GB1002064A
GB1002064A GB2245462A GB2245462A GB1002064A GB 1002064 A GB1002064 A GB 1002064A GB 2245462 A GB2245462 A GB 2245462A GB 2245462 A GB2245462 A GB 2245462A GB 1002064 A GB1002064 A GB 1002064A
Authority
GB
United Kingdom
Prior art keywords
formaldehyde
weight
magnesium chloride
water
cellulose
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
GB2245462A
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.)
LIPACO SA
Original Assignee
LIPACO SA
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 LIPACO SA filed Critical LIPACO SA
Publication of GB1002064A publication Critical patent/GB1002064A/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
    • D06M13/10—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 oxygen
    • D06M13/12—Aldehydes; Ketones
    • D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones

Abstract

Paper and textile materials comprising cellulosic fibres, e.g regenerated cellulose, alone or in admixture with acetone-soluble cellulose acetate, cellulose triacetate, polyamide, polyester or polyacrylonitrile fibres, may be creaseproofed and rendered dimensionally stable or have their water inhibition reduced by impregnating them with formaldehyde and with at least 0.25 gram per 100 grams of cellulose of magnesium chloride calculated as the hexahydrate in an aqueous solution containing at least 10% by weight of water at a pH of below 5, and then curing them. The formaldehyde and magnesium chloride are applied as aqueous solutions which may contain other solvents, e.g. methanol and ethanol, providing the solution contains at least 10% by weight of water, and may be applied from the same or separate solutions. The solution preferably contains 0.5-6% by weight of formaldehyde and 0.25-6% by weight of magnesium chloride hexahydrate. The solution may also contain softening agents, lubricants and water repellents and may be adjusted to the desired pH by the addition of hydrochloric acid or caustic soda. After impregnation the treated material may be dried at 30 DEG -110 DEG C. and cured by heating to 110 DEG -180 DEG C. for from 5 seconds to 30 minutes. The material may subsequently be treated with ammonia or urea to remove unbound formaldehyde and magnesium chloride. Textile fabrics may subsequently be mercerized or "Sanforized" (Registered Trade Mark). Specification 930,132 is referred to.
GB2245462A 1961-06-12 1962-06-12 Improvements in the treatment of cellulosic materials Expired GB1002064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11626461A 1961-06-12 1961-06-12

Publications (1)

Publication Number Publication Date
GB1002064A true GB1002064A (en) 1965-08-25

Family

ID=22366161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2245462A Expired GB1002064A (en) 1961-06-12 1962-06-12 Improvements in the treatment of cellulosic materials

Country Status (1)

Country Link
GB (1) GB1002064A (en)

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