GB1245018A - Polyester or polyester ether - Google Patents
Polyester or polyester etherInfo
- 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
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
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)
- Artificial Filaments (AREA)
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.
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)
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)
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 |
-
1969
- 1969-09-29 GB GB4770569A patent/GB1245018A/en not_active Expired
- 1969-10-03 NL NL6914973A patent/NL139186B/en not_active IP Right Cessation
- 1969-10-03 DE DE19691950093 patent/DE1950093C3/en not_active Expired
- 1969-10-03 FR FR6933865A patent/FR2019998A1/fr not_active Withdrawn
- 1969-10-03 BE BE739806D patent/BE739806A/xx unknown
Cited By (1)
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 |
---|---|
NL6914973A (en) | 1970-04-07 |
NL139186B (en) | 1973-06-15 |
DE1950093B2 (en) | 1972-06-15 |
DE1950093A1 (en) | 1970-04-09 |
DE1950093C3 (en) | 1973-01-11 |
BE739806A (en) | 1970-03-16 |
FR2019998A1 (en) | 1970-07-10 |
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