US2107657A - Process for obtaining crepe effects on fabrics - Google Patents

Process for obtaining crepe effects on fabrics Download PDF

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Publication number
US2107657A
US2107657A US528240A US52824031A US2107657A US 2107657 A US2107657 A US 2107657A US 528240 A US528240 A US 528240A US 52824031 A US52824031 A US 52824031A US 2107657 A US2107657 A US 2107657A
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Prior art keywords
fabrics
fabric
effects
crepe
highly twisted
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Expired - Lifetime
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US528240A
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Altwegg Hans
Eichler Armin
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EIDP Inc
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EI Du Pont de Nemours and Co
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Priority to US166984A priority Critical patent/US2202041A/en
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    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System

Definitions

  • Crepe effects are generally obtained on materials by the use of highly twisted warp or weft threads; and special effects are obtained by definite alternation of warp or weft-yarns, highlytwisted to left and to right.
  • This process can be applied to artificial silks which, like viscose silks, for example, consist of regenerated cellulose.
  • acetate silk yarns which contain such substances as have been mentioned above are highly twisted and made to constitute the warp or weft of the fabric.
  • the fabric thus obtained is thereupon subjected to a treatment with an aqueous medium.
  • the treatment can be performed separately or simultaneously with another step in manufacture as for example, with the treatment in the bath for removing the dressing or in the dye bath.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing a calcium salt which is very soluble in water into a fabric, and treating the fabric with an aqueous medium.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium chloride into a fabric, and treating the fabric with an aqueous medium.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium nitrate into a fabric, and treating the fabric with an aqueous medium.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetateyarns containing a calcium salt which is very soluble in water into a fabric; and treating the fabric with an aqueous medium simultaneously with another step in the manufacture of the material.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium chloride into a fabric, and treating the fabric with an aqueous medium simultaneously with another step in the manufacture of the material.
  • a process for producing crepe effects on fabrics which comprises fabricating highly twist- 4 HANS AL'I'WEGG. ARMIN EICHLER.

Description

Patented Feb. 8, 1938 PROCESS FOR OBTAINING CREPE EFFECTS ON FABRICS Hans Altwegg and Armin Eichler, Freiburg, Germany, assignors, by mesne assignments, to E. ii. du Pont dc'Nemours & Company, Wilmington, Del., a corporation of Delaware No Drawing. Application April 6, 1931, Serial 6 Claims.
Crepe effects are generally obtained on materials by the use of highly twisted warp or weft threads; and special effects are obtained by definite alternation of warp or weft-yarns, highlytwisted to left and to right. This process can be applied to artificial silks which, like viscose silks, for example, consist of regenerated cellulose.
Fabrics which contain as their warp or weft highly twisted, viscose yarns show a valuable crepe effect on being treated with warm water, that is, for example, after having been subjected to a process for removing the dressing or to a dyeing process. This results from the fact that highly twisted viscose yarns possess the property, on being treated with water or with aqueous solutions of all kinds, of curling and simultaneously shrinking on drying. If such yarns are present as warp 'or weft in the fabric and if these fabrics are treated in the way indicated, distortion of the fabric takes place resulting in the socalled crepe effect. 7
However, if this method of treatment is applied to fabrics, the warp or weft of which consists of highly twisted threads of acetyl cellulose, the crepe effect either does not occur at all or else only to an extent which is hardly noticeable. "The highly twisted acetate silk threads do not possess, or, in any case, only to a slight extent, the property of curling and shrinking in contact with warm water.
It has now been found that highly twisted threads of acetyl cellulose acquire the property of producing valuable crepe effects in fabrics when treated with waterif they contain substances which have for water a high affinity. Such substances belong to various classes of bodies and include, for example, inorganic salts such as calcium chloride or nitrate, or salts of organic acids such as those of lactic acid.
In order to obtain crepe eifects, acetate silk yarns which contain such substances as have been mentioned above are highly twisted and made to constitute the warp or weft of the fabric. The fabric thus obtained is thereupon subjected to a treatment with an aqueous medium. The treatment can be performed separately or simultaneously with another step in manufacture as for example, with the treatment in the bath for removing the dressing or in the dye bath.
Example Ordinary acetate silk threads of deniers centimetre.
In Germany April Ill, 1930 (Cl. 28l) with 24 individual threads and an arrangement of 51 threads to the centimetre, are used for the warp of a fabric, the weft consisting of acetate silk thread containing 10% sodium lactate, twisted alternately left and right, of the same standard of fineness, having 2800 twists per metre and an arrangement of 30 threads to the After weaving, the material is treatedin a bath with pure water at C. In this way a beautiful crepe effect similar to crepede-chine is obtained.
What we claim and desire to secure by Letters Patent is: r
1. A process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing a calcium salt which is very soluble in water into a fabric, and treating the fabric with an aqueous medium.
2. A process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium chloride into a fabric, and treating the fabric with an aqueous medium.
3. A process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium nitrate into a fabric, and treating the fabric with an aqueous medium.
4. A process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetateyarns containing a calcium salt which is very soluble in water into a fabric; and treating the fabric with an aqueous medium simultaneously with another step in the manufacture of the material.
5. A process for producing crepe effects on fabrics which comprises fabricating highly twisted cellulose acetate yarns containing calcium chloride into a fabric, and treating the fabric with an aqueous medium simultaneously with another step in the manufacture of the material.
6. A process for producing crepe effects on fabrics which comprises fabricating highly twist- 4 HANS AL'I'WEGG. ARMIN EICHLER.
US528240A 1930-04-11 1931-04-06 Process for obtaining crepe effects on fabrics Expired - Lifetime US2107657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US166984A US2202041A (en) 1931-04-06 1937-10-02 Process for obtaining crepe effects on fabrics

Applications Claiming Priority (1)

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DE2107657X 1930-04-11

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US2107657A true US2107657A (en) 1938-02-08

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