GB1245018A - Polyester or polyester ether - Google Patents

Polyester or polyester ether

Info

Publication number
GB1245018A
GB1245018A GB4770569A GB4770569A GB1245018A GB 1245018 A GB1245018 A GB 1245018A GB 4770569 A GB4770569 A GB 4770569A GB 4770569 A GB4770569 A GB 4770569A GB 1245018 A GB1245018 A GB 1245018A
Authority
GB
United Kingdom
Prior art keywords
polyester
copolyesters
methyl
hydrogen atom
group
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
GB4770569A
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1245018A publication Critical patent/GB1245018A/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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds

Abstract

1,245,018. Copolyesters. SUMITOMO CHEMICAL CO. Ltd. 29 Sept., 1969 [5 Oct., 1968], No. 47705/69. Heading C3R. Copolyesters are prepared by polycondensing iso- or terephthalic acids or their methyl or ethyl esters, alkylene glycols containing 2-4 carbon atoms, and a hydroxy acid or derivative of a hydroxy acid of formula where R represents a hydrogen atom, an acetyl or propionyl group or a #-hydroxyethyl or #-hydroxypropyl group and R<SP>1</SP> represents a hydrogen atom or a methyl or ethyl group.
GB4770569A 1968-10-05 1969-09-29 Polyester or polyester ether Expired GB1245018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7273068 1968-10-05

Publications (1)

Publication Number Publication Date
GB1245018A true GB1245018A (en) 1971-09-02

Family

ID=13497751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4770569A Expired GB1245018A (en) 1968-10-05 1969-09-29 Polyester or polyester ether

Country Status (5)

Country Link
BE (1) BE739806A (en)
DE (1) DE1950093C3 (en)
FR (1) FR2019998A1 (en)
GB (1) GB1245018A (en)
NL (1) NL139186B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0684269A3 (en) * 1994-05-27 1996-12-18 Enichem Spa Process for the preparation of re-usable bottles starting from modified PET.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778410A (en) * 1972-09-28 1973-12-11 Eastman Kodak Co Process for preparing a final copolyester by reacting a starting polyester with an acyloxy aromatic carboxylic acid
US4035356A (en) * 1976-05-07 1977-07-12 Eastman Kodak Company Copolyester prepared from an acyloxybenzoic acid and polyethylene terephthalate modified with p-hydroxyethoxybenzoic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0684269A3 (en) * 1994-05-27 1996-12-18 Enichem Spa Process for the preparation of re-usable bottles starting from modified PET.

Also Published As

Publication number Publication date
DE1950093A1 (en) 1970-04-09
DE1950093C3 (en) 1973-01-11
NL6914973A (en) 1970-04-07
BE739806A (en) 1970-03-16
FR2019998A1 (en) 1970-07-10
DE1950093B2 (en) 1972-06-15
NL139186B (en) 1973-06-15

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