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AT265646B - Process for increasing the molecular weight of a fiber and film-forming polyester - Google Patents

Process for increasing the molecular weight of a fiber and film-forming polyester

Info

Publication number
AT265646B
AT265646B AT1030365A AT1030365A AT265646B AT 265646 B AT265646 B AT 265646B AT 1030365 A AT1030365 A AT 1030365A AT 1030365 A AT1030365 A AT 1030365A AT 265646 B AT265646 B AT 265646B
Authority
AT
Austria
Prior art keywords
fiber
increasing
film
molecular weight
forming polyester
Prior art date
Application number
AT1030365A
Other languages
German (de)
Inventor
Wolf-Diether Dipl Chem Hahn
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of AT265646B publication Critical patent/AT265646B/en

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
    • C08G63/91—Polymers modified by chemical after-treatment
    • C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/916—Dicarboxylic acids and dihydroxy compounds
    • 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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
    • C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
    • 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
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Artificial Filaments (AREA)
AT1030365A 1965-02-25 1965-11-16 Process for increasing the molecular weight of a fiber and film-forming polyester AT265646B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0064312 1965-02-25

Publications (1)

Publication Number Publication Date
AT265646B true AT265646B (en) 1968-10-25

Family

ID=7311073

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1030365A AT265646B (en) 1965-02-25 1965-11-16 Process for increasing the molecular weight of a fiber and film-forming polyester

Country Status (4)

Country Link
AT (1) AT265646B (en)
BE (1) BE676324A (en)
GB (1) GB1126915A (en)
NL (1) NL6517136A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627867A (en) * 1968-09-05 1971-12-14 Du Pont Process of melt-spinning high-molecular-weight ethylene terephthalate polymer
US4988777A (en) * 1989-08-23 1991-01-29 Bridgestone/Firestone, Inc. Reduction of acidity of polyesters by melt reaction endcapping with eneamines or Schiff bases
US4983691A (en) * 1989-08-23 1991-01-08 Bridgestone/Firestone, Inc. Reduction of acidity of polyesters by melt reaction endcapping with dialkyloxylate or tetraalkyl urea
EP0416288B1 (en) * 1989-09-05 1996-03-13 Bridgestone/Firestone, Inc. Reduction of acidity of polyesters by melt reaction endcapping
US5498651A (en) * 1995-06-19 1996-03-12 General Electric Company Method for polymerizing macrocyclic polyester oligomers
US6420047B2 (en) 2000-01-21 2002-07-16 Cyclics Corporation Macrocyclic polyester oligomers and processes for polymerizing the same
US6369157B1 (en) 2000-01-21 2002-04-09 Cyclics Corporation Blend material including macrocyclic polyester oligomers and processes for polymerizing the same
US7767781B2 (en) 2000-09-01 2010-08-03 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom
US7750109B2 (en) 2000-09-01 2010-07-06 Cyclics Corporation Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer
CN1217974C (en) 2000-09-01 2005-09-07 赛克利克斯公司 Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
US6436548B1 (en) 2000-09-12 2002-08-20 Cyclics Corporation Species modification in macrocyclic polyester oligomers, and compositions prepared thereby
US6420048B1 (en) 2001-06-05 2002-07-16 Cyclics Corporation High molecular weight copolyesters from macrocyclic oligoesters and cyclic esters
ES2250687T3 (en) 2001-06-27 2006-04-16 Cyclics Corporation INSULATION, FORMULATION, AND MOLDING OF MACROCICLIC OLIGOSTERS.
US6436549B1 (en) 2001-07-16 2002-08-20 Cyclics Corporation Block copolymers from macrocyclic oligoesters and dihydroxyl-functionalized polymers
US6787632B2 (en) 2001-10-09 2004-09-07 Cyclics Corporation Organo-titanate catalysts for preparing pure macrocyclic oligoesters
DE102008033188A1 (en) * 2008-07-15 2010-01-21 Deutsche Institute für Textil- und Faserforschung Process for the preparation of copolyesters, copolyesters and moldings of copolyesters

Also Published As

Publication number Publication date
GB1126915A (en) 1968-09-11
NL6517136A (en) 1966-08-26
BE676324A (en) 1966-06-16

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