Ocess for preparation thereof and articles thereof novel polyetheresters of hydroxyalkoxyl diphenyl-4-carboxylic acid pr
Abstract
Abstract A NOVEL LINEAR POLYETHERESTER CONTAINING AT LEAST 70 MOLE PERCENT RECURRING UNITS EXPRESSED BY THE FOLLOWING FORMULA -O-R-O-(4,4''-BIPHENYLENE)-CO- WHEREIN R IS AN ALKYLENE LINKAGE HAVING 2 TO 10 CARBON ATOMS, IS PRODUCED BY POLYCONDENSING A MEMBER SELECTED FROM THE GROUP CONSISTING OF 4''-(W-HYDROXYALKOXY)DIPHENYL-4-CARBOXYLIC ACID OR ITS ESTER-FORMING DERIVATIVES OF THE FORMULA HO-R-O-(4,4''-BIPHENYLENE)-COO-R'' AND MIXTURES OF 4''-(W-HYDROXYLAKOXY)DIPHENYL-4-CARBOXYLIC ACID OR ITS ESTER-FORMING DERIVATIVES WITH LESS THAN 30 MOLE PERCENT OF A COPOLYMERIZABLE THIRD COMPONENT SUCH AS A DIOL ESTER OF AN AROMATIC CARBOXYLIC ACID, A DIOL ESTER OF AN ALIPHATIC CARBOXYLIC ACID, A DIOL ESTER OF AN ALICYCLIC DICARBOXYLIC ACID, AN ARMOATIC HYDROXYCARBOXYLIC ACID, A POLYETHYLENE GLYCOL, A TRIFUNCTIONAL OR TETRAFUNCTIONAL ESTER-FORMING COMPOUND, OR A NUCLEAR HYDROGENATED PRODUCT OF 4''-HVDROXY-DIPHENYL-4-CARBOXYLIC ACID.
Inventors
- 👤 H Inata
- 👤 T Shima
- 👤 S Yamashiro
Bibliographic Details
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