GB1228007A - - Google Patents

Info

Publication number
GB1228007A
GB1228007A GB1228007DA GB1228007A GB 1228007 A GB1228007 A GB 1228007A GB 1228007D A GB1228007D A GB 1228007DA GB 1228007 A GB1228007 A GB 1228007A
Authority
GB
United Kingdom
Prior art keywords
phenylene
filaments
alkyl
fibres
para
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
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 filed Critical
Publication of GB1228007A publication Critical patent/GB1228007A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/682—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens
    • C08G63/6824—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6826—Dicarboxylic acids and dihydroxy compounds
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters

Landscapes

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

Abstract

1,228,007. Polyester filaments. E. I. DU PONT DE NEMOURS & CO. 6 June, 1968, No. 26992/68. Heading B5B. [Also in Division C3] Fibres or filaments are prepared from aromatic polyesters which consist essentially of the unit where Ar, is para-phenylene which may bear one or more halogen or C 1-6 alkyl groups, Ar 2 is (1) meta-phenylene, (2) mixtures of metaphenylene with up to 90% para-phenylene as in Ar 1 , or (3) and Z is where R and R<SP>1</SP> are the same or different and represent perfluoro- or perfluorochloro-C 1-6 alkyl, with the provision that R<SP>1</SP> may be H when R is perfluorinated alkyl, or where R and R<SP>1</SP> may together form a perfluorinated cyclic hydrocarbon group of at most 6 carbon atoms. The fibres may be prepared by wet or dry spinning from solutions containing 15-30% by weight of polymer dissolved in tetrahydrofuran, methyl ethyl ketone, chloroform, cyclohexanone or a mixture of 4% 1,1,2-trichloroethane and 96% tetrahydrofuran. The solution viscosity may be 10-500 poises. 25% poly[(hexafluoroisopropylidene) di - p - phenylene isophthalate] in T.H.F. may be wet spun, dry spun or meltspun to form filaments, the product being extracted with an acetone/water mixture (equal volumes) to remove residual solvent. Examples are given in which various polymers are drawn 1À6-2À85 X at 25-215‹ C. by hot pin drawing or cold drawing.
GB1228007D 1968-06-06 1968-06-06 Expired GB1228007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2699268 1968-06-06

Publications (1)

Publication Number Publication Date
GB1228007A true GB1228007A (en) 1971-04-15

Family

ID=10252430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228007D Expired GB1228007A (en) 1968-06-06 1968-06-06

Country Status (1)

Country Link
GB (1) GB1228007A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001511A1 (en) * 1984-09-04 1986-03-13 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane
US4649207A (en) * 1984-09-04 1987-03-10 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane
US4719258A (en) * 1984-09-04 1988-01-12 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane and resins thereof
CN108358794A (en) * 2018-02-02 2018-08-03 武汉工程大学 The new synthetic method of bis- (4- aminophenyls) hexafluoropropane of 2,2-

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001511A1 (en) * 1984-09-04 1986-03-13 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane
US4649207A (en) * 1984-09-04 1987-03-10 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane
US4719258A (en) * 1984-09-04 1988-01-12 Hughes Aircraft Company Derivatives of diphenylhexafluoropropane and resins thereof
CN108358794A (en) * 2018-02-02 2018-08-03 武汉工程大学 The new synthetic method of bis- (4- aminophenyls) hexafluoropropane of 2,2-
CN108358794B (en) * 2018-02-02 2021-01-05 武汉工程大学 Synthesis method of 2, 2-bis (4-aminophenyl) hexafluoropropane

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees