1,3-苯二甲酸与丁烯二酸酐/1,2-丙二醇和3A,4,7,7A-四氢-1,3-异苯并呋喃二酮的聚合物(1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione, 1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione 1,3-benzenedicarboxylic acid, polymer with 2,5-furandione, 1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione 1,3-benzenedicarboxylic acid, polymer with2,5-furandione, 1,2-propanediol and3a,4,7,7a-tetrahydro-1,3-isobenzofurandione 1,3-Benzenedicarboxylic acid,polymer with 2,5-furandione,1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione)