ES360759A1 - Acetate filaments of improved resistance to hydrothermal delustering and the process for preparation thereof - Google Patents

Acetate filaments of improved resistance to hydrothermal delustering and the process for preparation thereof

Info

Publication number
ES360759A1
ES360759A1 ES360759A ES360759A ES360759A1 ES 360759 A1 ES360759 A1 ES 360759A1 ES 360759 A ES360759 A ES 360759A ES 360759 A ES360759 A ES 360759A ES 360759 A1 ES360759 A1 ES 360759A1
Authority
ES
Spain
Prior art keywords
delustering
hydrothermal
preparation
improved resistance
measure
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
ES360759A
Other languages
Spanish (es)
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.)
Antonio Gallardo SA
Teijin Ltd
Original Assignee
Antonio Gallardo SA
Teijin Ltd
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 Antonio Gallardo SA, Teijin Ltd filed Critical Antonio Gallardo SA
Publication of ES360759A1 publication Critical patent/ES360759A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • D01F2/30—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate by the dry spinning process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Acetone-soluble cellulose diacetate is heated, e.g. at 85-100 C. in a dilute acid until its " refinement parameter at the stability of 0À08% " is no higher than 80, is washed, dissolved in an acetonic solvent and spun. The " refined parameter " is a measure of alkalinity as p.p.m. Ca++ and the " stability " a measure of extractable CH 3 OOH the method of measuring both is described. The acid may be HCl, HNO 3 , H 3 PO 4 or CH 3 COOH. For mineral acids a concentration of 0À05-0À005% may be used for fatty acids, 10-0À5%. An additional or simultaneous bleaching treatment with, e.g. NaOCl, KMnO 4 , or H 2 O 2 , may be effected. The filaments produced are resistant to hydrothermal delustering certain of these are claimed per se.
ES360759A 1967-11-28 1968-11-27 Acetate filaments of improved resistance to hydrothermal delustering and the process for preparation thereof Expired ES360759A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7663267 1967-11-28

Publications (1)

Publication Number Publication Date
ES360759A1 true ES360759A1 (en) 1970-07-16

Family

ID=13610731

Family Applications (1)

Application Number Title Priority Date Filing Date
ES360759A Expired ES360759A1 (en) 1967-11-28 1968-11-27 Acetate filaments of improved resistance to hydrothermal delustering and the process for preparation thereof

Country Status (6)

Country Link
US (1) US3595854A (en)
BE (1) BE724592A (en)
BR (1) BR6804410D0 (en)
ES (1) ES360759A1 (en)
FR (1) FR1593742A (en)
GB (1) GB1229634A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161688A (en) * 1978-06-09 1979-12-21 Daicel Chem Ind Ltd Preparation of cellulose acetate having reduced devitrification with hot water

Also Published As

Publication number Publication date
DE1811531B2 (en) 1977-06-02
BR6804410D0 (en) 1973-01-16
FR1593742A (en) 1970-06-01
DE1811531A1 (en) 1969-07-24
BE724592A (en) 1969-05-02
US3595854A (en) 1971-07-27
GB1229634A (en) 1971-04-28

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