Li et al., 1995 - Google Patents
Molecular structure of liquid‐crystalline copolyesters of vanillic acid, 4‐hydroxybenzoic acid and poly (ethylene terephthalate)Li et al., 1995
- Document ID
- 8066937704796957112
- Author
- Li X
- Huang M
- Guan G
- Sun T
- Publication year
- Publication venue
- Die Angewandte Makromolekulare Chemie: Applied Macromolecular Chemistry and Physics
External Links
Snippet
Thermotropic liquid‐crystalline copolyesters made from vanillic acid (V), 4‐hydroxybenzoic acid (B) and poly (ethylene terephthalate)(E) were examined by 1H‐NMR and GPC investigations. Nine possible diads could be identified and assigned. The sequence …
- 229920001634 Copolyester 0 title abstract description 113
Classifications
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- 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
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- 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
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