US3288554A - Method of treating a fabric formed from cellulose fibres to render said fabric drip-dry - Google Patents

Method of treating a fabric formed from cellulose fibres to render said fabric drip-dry Download PDF

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Publication number
US3288554A
US3288554A US281038A US28103863A US3288554A US 3288554 A US3288554 A US 3288554A US 281038 A US281038 A US 281038A US 28103863 A US28103863 A US 28103863A US 3288554 A US3288554 A US 3288554A
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US
United States
Prior art keywords
fabric
drip
dry
render
treating
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Expired - Lifetime
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US281038A
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English (en)
Inventor
Bernardy Clarude Jean Marie
Piguet Alfred Robert
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Laederich Ets
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Laederich Ets
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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
    • 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
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • D06M13/236—Esters of carboxylic acids; Esters of carbonic acid containing halogen atoms

Definitions

  • the known processes are generally based on the reaction of halohydrin on cellulose.
  • This long known reaction has been used in various processes for giving fabrics specific properties such as elasticity, making them shrink-proof, and so on. Ithas also been used in processes for making fabrics drip-dry, as in the Harbor process forming the subject of Belgian Patent No. 556,- 279.
  • This process is based on the reaction of u-dichlorohydrin, fl-dichlorohydrin, or epichlorohyd-rin on alkali cellulose. It comprises impregnating a fabric successively with a solution of an alkaline hydroxide and a solution of the reagent used (dichlorohydrin or epichlorohydrin).
  • the method according to the invention eliminates the above disadvantages of the known processes. It is characterized in that the fabric is impregnated with an aqueous suspension containing at least one alkaline hydroxide and at least one halohydrin ester of one of the following two formulae:
  • R being an organic or inorganic "acyl radical and X a halogen, and in that the stability of the emulsion is maintained for the time required for the reaction, at the end of which the fabric is rinsed and dried.
  • the method according to the invention comprises the use of a halohydrin ester instead of the :halohydrins themselves, thus enabling the reaction with cellulose to be carried out in a single bath containing the said ester in suspension in an aqueous solution of an alkaline hydroxide.
  • Such esters are sufficiently stable at ordinary temperatures in the presence of even concentrated alkaline hydroxides, so that stable emulsions or suspensions of these esters can be prepared in aqueous solutions of alkaline hydroxides, e.g. of sodium or potassium.
  • the reaction time is approximately 24 hours. This time can of course be reduced 'by heating the fabric after impregnation.
  • Such heating of the impregnated fabric enables the ester to liberate the halohydrin by hydrolysis, the halohydrin reacting with the cellulose in highly alkaline conditions of the emulsion or suspension with which the fabric is impregnated.
  • the reaction time therefore depends on the temperature at which the reaction is carried out. This temperature may be between 0 and 200 C., but is preferably from 10 to 40 C.
  • the later may be treated while being reeled and enclosed in a chamber or an autoclave or a similar system preventing evaporation, even above C.
  • the organic or inorganic acyl radical may, for example, be 'acetyl, 'benzoyl, phosphoryl, or the like.
  • the halohydrin may be a chlorohydrin, bromohydrin, and the like.
  • the alkaline hydroxide may be sodium, potassium or lithium hydroxide.
  • an emulsifying surface-active agent may be added.
  • an agent may be added to thicken one of the two phases, preferably the aqueous phase.
  • This thickening agent may, for example, be a soluble derivative of cellulose, or of polyvinyl alcohol.
  • the emulsion or suspension may be stabilised by the addition of inhert agents in one or other of the two phase so as to make their densities equal and improve the penetration of the emulsion constituents throughout the fabrics for treatment.
  • At least one light hydrocarbon such as hexane
  • the organic phase has a density equal to that of the aqueous phase initially.
  • the densities of the two phases can be kept as close as possible by controlling the evaporation of the hydrocarbon.
  • a single bath can 'be used, thus facilitating operation.
  • the halohydrin can be liberated progressively, thus promoting the reaction between the halohydrin and the cellulose to the deteriment of hydrolysis of the latter, thus effecting a saving of the halohydrin derivative.
  • the non-creasing effect of the fabric is improved.
  • the swelling of the fabric is improved, thus enabling finer 'basic fabrics to be used.
  • the softness is improved, thus enhancing the feel of the fabric when worn.
  • the method according to the invention may be carried out, for instance, according to the following examples:
  • the fabric After 100% pick-up squeezing, the fabric is kept in a closed chamber at a temperature of 20 C. for 24 hours. The cotton fabric is then washed and neutralised.
  • Example 2 Parts by weight 24% aqueous KOH solution 20 1,2-dichloroprop-anol-3 acetate 6 n-Butanol 0.5
  • Example 3 Aqueous solution: Parts by weight Methyl cellulose 5 Sodium hydroxide 60 Water 985 Sodium sulphide -78 Organic solution:
  • Emulsifier 5 Dichlorohydrin propionate 80 where R is a radical selected from the group consisting of organic and inorganic acyl radicals and X is a halogen, maintaining the stability of the emulsion for a suflicient period for the halohydrin liberated by said emulsion to react with said fabric, rinsing said fabric, and then drying said fabric.
  • alkaline hydroxide is selected from the group consisting of sodium hydroxide, potassium hydroxide and lithium hydroxide.
  • radical R is selected from the group consisting of acetyl, benzoyl and phosphoryl.
  • aqueous emulsion further includes a light hydrocarbon as an inert stabilising agent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
US281038A 1962-05-18 1963-05-16 Method of treating a fabric formed from cellulose fibres to render said fabric drip-dry Expired - Lifetime US3288554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH605662A CH379461A (fr) 1962-05-18 1962-05-18 Procédé pour obtenir des tissus constitués de fibres cellulosiques naturelles ou artificielles, défroissables à l'état mouillé

Publications (1)

Publication Number Publication Date
US3288554A true US3288554A (en) 1966-11-29

Family

ID=4303513

Family Applications (1)

Application Number Title Priority Date Filing Date
US281038A Expired - Lifetime US3288554A (en) 1962-05-18 1963-05-16 Method of treating a fabric formed from cellulose fibres to render said fabric drip-dry

Country Status (8)

Country Link
US (1) US3288554A (en, 2012)
BE (1) BE632547A (en, 2012)
CH (1) CH379461A (en, 2012)
DE (1) DE1229979B (en, 2012)
ES (1) ES288107A1 (en, 2012)
FR (1) FR1362744A (en, 2012)
GB (1) GB1011123A (en, 2012)
NL (1) NL292382A (en, 2012)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070372B (de) * 1959-12-03 Henkel & Cie. G.m.b.H., Düsseldorf-Holthausen Verfahren zum Härten von Epoxyalkylestergruppen mehrbasischer Carbonsäuren aufweisenden Verbindungen
NL198397A (en, 2012) * 1954-06-28
BE585307A (en, 2012) * 1958-12-05
AT218471B (de) * 1959-06-22 1961-12-11 Ciba Geigy Verfahren zum Veredeln, insbesondere zum Knitterfrei- und Schrumpfechtmachen, von hydroxylierten Faserstoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
NL292382A (en, 2012)
ES288107A1 (es) 1963-12-16
BE632547A (en, 2012)
CH605662A4 (en, 2012) 1964-02-28
FR1362744A (fr) 1964-06-05
GB1011123A (en) 1965-11-24
DE1229979B (de) 1966-12-08
CH379461A (fr) 1964-08-31

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