US3484185A - Method of presensitising fabric comprising kerationous fibers for subsequent setting - Google Patents

Method of presensitising fabric comprising kerationous fibers for subsequent setting Download PDF

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Publication number
US3484185A
US3484185A US529951A US3484185DA US3484185A US 3484185 A US3484185 A US 3484185A US 529951 A US529951 A US 529951A US 3484185D A US3484185D A US 3484185DA US 3484185 A US3484185 A US 3484185A
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US
United States
Prior art keywords
fabric
presensitising
sulphite
solution
monoethanolamine
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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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US529951A
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English (en)
Inventor
Bernard David Stone
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IWS Nominee Co Ltd
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IWS Nominee Co Ltd
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Publication date
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Publication of US3484185A publication Critical patent/US3484185A/en
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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
    • 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

Definitions

  • a fabric comprising keratinous fibres is presensitised for a subsequent setting operation by impregnating the fabric with an aqueous alkaline solution of an aliphatic amine sulphite and drying the impregnated fabric.
  • This invention relates to the presensitising of fabric comprising keratinous fibres for a subsequent setting step, e.g. fiat setting or permanent pleating or creasing.
  • a process for presensitising fabric comprising keratinous fibres, which process comprises treating the fabric with an alkaline aqueous solution of an aliphatic amine sulphite, and thereafter drying the fabric, preferably at about ambient temperature or slightly above. In contrast with the prior process, it is preferred not to wet blow the treated fabric before drying.
  • a festoon drier for example, being suitable, and similarly only minimum tension should be applied to the treated fabric during the final setting and finishing process.
  • both woven and nonwoven presensitised fabrics consisting wholly or partly of wool, may be produced which do not develop the unpleasant odour associated with fabrics presensitised at pH 6 and which give improved results in the setting process, the fabrics exhibiting superior wrinkleresistance and wrinkle-recovery properties.
  • Particularly "ice good wrinkling properties are obtained if the presensitised fabric is subjected to a dry blowing step after drying; such dry blowing also serves to improve the texture and finish of the fabric.
  • Examples of aliphatic amine sulphites which may be employed in alkaline aqueous solution in the practice of this invention include the sulphites and bisulphites of alkylamines, particularly lower alkylamines of 1 to 6 carbon atoms such as methylamine, ethylamine and the like, of alkyl and alkylene polyamines such as ethylene diamine and the like, and of substituted derivatives thereof e.g. mono-, di-, and trialkanolamines such as monoethanolamine, propanolamines and butanolamines etc.
  • the pH of the presensitising solution may be maintained above 7, and preferably at least 8, by conventional means, the solution preferably being buffered to a pH of from 8 to 9.5, e.g. about 8.5 or 9.
  • the solution will usually contain from 2.5 to 15 weight percent of amine sulphite, based on the total Weight of the solution. Solutions of pH higher than 9.5, or containing a higher or lower proportion of amine sulphite can however be employed, depending upon the particular amine sulphite or sulphites chosen and upon the nature and intended enduse of the fabric to be treated.
  • the process of the invention is exemplified hereinafter mainly with reference to the use of monoethanolamine sulphite.
  • the source of monoethanolamine sulphite available commercially which will be designated herein as commercial monoethanolamine sulphite, is made by bubbling S0 into a 50% aqueous m noethanolamine solution until an acid solution of pH about 5.8-6.0 is obtained, and contains about 50% monoethanolamine bisulphite and about 20% monoethanolamine sulphite.
  • a monoethanolamine sulphite solution suitable for use in the method according to the invention may be obtained by diluting such a commercial monoethanolamine sulphite with monoethanolamine (for convenience in the form of a 50% by weight aqueous solution) to bring the pH to the required value, e.g. about 9, or by bubbling S0 into 50% aqueous monoethanolamine until the pH reaches this value.
  • Aqueous solutions of the other amine sulphites useful in the invention may be produced in similar manner. Since many of the amines, e.g. monoethanolamine, are themselves setting agents, better results are generally obtained by using them to buffer the sulphite solution than by employing other agents such as alkali metal acetates or phosphates etc.
  • the presensitising solution advantageously contains a wetting agent, typically in a proportion of from 0.05 to 1.0 percent based on the total weight of the solution.
  • the wetting agent may be a cationic, anionic or non-ionic material, that sold under the designation Lissapol N being suitable.
  • a humectant for example urea or ethylene glycol.
  • the solution may for example contain from 5 to 12 weight percent of humectant, whose use simplifies the subsequent setting procedure by obviating the step of moistening the fabric prior to setting.
  • the presensitised fabric may be stored under dry conditions until required, e.g. by the garment manufacturer who sets the fabric in its final shape.
  • the fabric may be flat set, and then presensitised by the method of the invention for a further setting operation e.g. permanent pleating or creasing.
  • a method of presensitising fabric comprising keratinous fibres for a subsequent setting operation, said processcomprising the steps of providing an aqueoussolution of an aliphatic amine sulphite at a pH above about 8. impregnating said fabric with said solution, and thereafter drying said impregnated fabric.
  • sulphite is a sulphite of an 'alkyla'mine, an alkanolamine or an alkylene polyamine.
  • aqueous solution is essentially a solution of monoethanolamine, monoethanolamine sulphite and urea.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
US529951A 1965-03-02 1966-02-25 Method of presensitising fabric comprising kerationous fibers for subsequent setting Expired - Lifetime US3484185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8906/65A GB1144563A (en) 1965-03-02 1965-03-02 Keratinous fibre fabric treatment

Publications (1)

Publication Number Publication Date
US3484185A true US3484185A (en) 1969-12-16

Family

ID=9861604

Family Applications (1)

Application Number Title Priority Date Filing Date
US529951A Expired - Lifetime US3484185A (en) 1965-03-02 1966-02-25 Method of presensitising fabric comprising kerationous fibers for subsequent setting

Country Status (3)

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US (1) US3484185A (instruction)
BE (1) BE677261A (instruction)
GB (1) GB1144563A (instruction)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664864A (en) * 1968-07-27 1972-05-23 Basf Ag Durably shaping keratinous fibrous materials

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539792A1 (de) * 1985-11-09 1987-05-21 Menschner Maschf Johannes Verfahren zum kontinuierlichen permanenten dekatieren und fixieren von woll- und wollmischgeweben, gewirken oder dergleichen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437965A (en) * 1944-01-18 1948-03-16 Lawrence Richard Bruce Inc Method for relaxing keratinous fibres
US2493765A (en) * 1947-12-05 1950-01-10 Compte George C Le Modification of and shrinkproofing of wools with amines
US2989365A (en) * 1957-05-09 1961-06-20 Nat Lead Co Method for setting keratinous fibers
US3059990A (en) * 1959-11-03 1962-10-23 Nathan H Koenig Method of setting wool textiles with ethanolamine
US3216781A (en) * 1962-01-18 1965-11-09 Jr Clay E Pardo Method of setting wool textiles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437965A (en) * 1944-01-18 1948-03-16 Lawrence Richard Bruce Inc Method for relaxing keratinous fibres
US2493765A (en) * 1947-12-05 1950-01-10 Compte George C Le Modification of and shrinkproofing of wools with amines
US2989365A (en) * 1957-05-09 1961-06-20 Nat Lead Co Method for setting keratinous fibers
US3059990A (en) * 1959-11-03 1962-10-23 Nathan H Koenig Method of setting wool textiles with ethanolamine
US3216781A (en) * 1962-01-18 1965-11-09 Jr Clay E Pardo Method of setting wool textiles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664864A (en) * 1968-07-27 1972-05-23 Basf Ag Durably shaping keratinous fibrous materials

Also Published As

Publication number Publication date
GB1144563A (en) 1969-03-05
BE677261A (instruction) 1966-08-01

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