FR1131022A - Polyesters - Google Patents

Polyesters

Info

Publication number
FR1131022A
FR1131022A FR1131022DA FR1131022A FR 1131022 A FR1131022 A FR 1131022A FR 1131022D A FR1131022D A FR 1131022DA FR 1131022 A FR1131022 A FR 1131022A
Authority
FR
France
Prior art keywords
polyesters
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
Other languages
English (en)
French (fr)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1131022A publication Critical patent/FR1131022A/fr
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
    • C08G63/78—Preparation processes
    • 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
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
FR1131022D 1954-09-30 1955-09-17 Polyesters Expired FR1131022A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2823754A GB765597A (en) 1954-09-30 1954-09-30 Polytetramethylene terephthalate

Publications (1)

Publication Number Publication Date
FR1131022A true FR1131022A (fr) 1957-02-14

Family

ID=10272495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131022D Expired FR1131022A (fr) 1954-09-30 1955-09-17 Polyesters

Country Status (5)

Country Link
BE (1) BE541649A (OSRAM)
CA (1) CA565566A (OSRAM)
FR (1) FR1131022A (OSRAM)
GB (1) GB765597A (OSRAM)
IT (1) IT549917A (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262267A (OSRAM) * 1961-03-10
BE759913A (fr) * 1969-12-05 1971-06-04 Fiber Industries Inc Procede de polymerisation du terephtalate de dimethyle
US7256241B2 (en) 2000-01-21 2007-08-14 Cyclics Corporation Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters
US6960626B2 (en) 2000-01-21 2005-11-01 Cyclics Corporation Intimate physical mixtures containing macrocyclic polyester oligomer and filler
US7750109B2 (en) 2000-09-01 2010-07-06 Cyclics Corporation Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer
US7767781B2 (en) 2000-09-01 2010-08-03 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom
KR100779769B1 (ko) 2000-09-01 2007-11-27 시클릭스 코포레이션 선형 폴리에스테르를 거대고리 올리고에스테르 조성물로전환시키는 방법 및 거대고리 올리고에스테르
US7304123B2 (en) 2001-06-27 2007-12-04 Cyclics Corporation Processes for shaping macrocyclic oligoesters
EP1409475B1 (en) 2001-06-27 2005-10-05 Cyclics Corporation Isolation, formulation, and shaping of macrocyclic oligoesters
US6787632B2 (en) 2001-10-09 2004-09-07 Cyclics Corporation Organo-titanate catalysts for preparing pure macrocyclic oligoesters
EP1879940A1 (en) 2005-03-25 2008-01-23 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom

Also Published As

Publication number Publication date
GB765597A (en) 1957-01-09
CA565566A (en) 1958-11-04
BE541649A (OSRAM)
IT549917A (OSRAM)

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