4-carboxy polyesters and method of making them
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1. A METHOD FOR PREPARING RESINOUS LINEAR 4-CARBOXY POLYESTERS WHICH COMPRISES:
- (A) REACTION AT A TEMPERATURE BELOW 70*C. 4-VINYL TRIMELLITATE ANHYDRIDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF A MONO-EPOXIDE AND A MIXTURE OF A MONO-EPOXIDE WITH A GLYCOL, SAID EPOXIDE AND GLYCOL EACH HAVING FROM 2 TO 9 CARBON ATOMS, TO OBTAIN A RESINOUS LINEAR POLYESTER HAVING THE REPEATING UNIT
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1. A METHOD FOR PREPARING RESINOUS LINEAR 4-CARBOXY POLYESTERS WHICH COMPRISES:
- (A) REACTION AT A TEMPERATURE BELOW 70*C. 4-VINYL TRIMELLITATE ANHYDRIDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF A MONO-EPOXIDE AND A MIXTURE OF A MONO-EPOXIDE WITH A GLYCOL, SAID EPOXIDE AND GLYCOL EACH HAVING FROM 2 TO 9 CARBON ATOMS, TO OBTAIN A RESINOUS LINEAR POLYESTER HAVING THE REPEATING UNIT
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