GB861453A - Preparation of spinning solutions of cellulose triacetate - Google Patents

Preparation of spinning solutions of cellulose triacetate

Info

Publication number
GB861453A
GB861453A GB27772/57A GB2777257A GB861453A GB 861453 A GB861453 A GB 861453A GB 27772/57 A GB27772/57 A GB 27772/57A GB 2777257 A GB2777257 A GB 2777257A GB 861453 A GB861453 A GB 861453A
Authority
GB
United Kingdom
Prior art keywords
cellulose triacetate
solution
weight
preparation
mixture
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
GB27772/57A
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.)
Celanese Corp
Original Assignee
Celanese Corp
Celanese Corp of America
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 Celanese Corp, Celanese Corp of America filed Critical Celanese Corp
Publication of GB861453A publication Critical patent/GB861453A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/093—Halogenated hydrocarbons
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/10—Esters of organic acids
    • C08J2301/12—Cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

Cellulose triacetate solutions are made by bringing together the solid cellulose triacetate and such a quantity of methylene chloride, or of a mixture of methylene chloride and up to 25% by weight of an aliphatic alcohol containing up to 4 carbon atoms in the molecule, as will yield a solution containing more than 20% by weight of cellulose triacetate, and heating the mixture to above 55 DEG C., while agitating it, the heating being carried out in a closed vessel and so that the temperature rises above 35 DEG C. before complete solution of the cellulose triacetate and being continued after the cellulose acetate has dissolved for a time sufficient to effect a substantial improvement in the filter ability of the solution. The solution may contain up to 2% by weight of acetone and may be dry-spun to produce filaments.
GB27772/57A 1956-09-04 1957-09-03 Preparation of spinning solutions of cellulose triacetate Expired GB861453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US861453XA 1956-09-04 1956-09-04

Publications (1)

Publication Number Publication Date
GB861453A true GB861453A (en) 1961-02-22

Family

ID=22196565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27772/57A Expired GB861453A (en) 1956-09-04 1957-09-03 Preparation of spinning solutions of cellulose triacetate

Country Status (1)

Country Link
GB (1) GB861453A (en)

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