Halogen containing polyesters and method for preparing same
Abstract
Abstract A LINEAR, HIGH MOLECULAR WEIGHT POLYESTER CONSISTING ESSENTIALLY OF RECURRING STRUCTURAL UNITS HAVING THE FOLLOWING FORMULA: -(O-((X)4,(X)4-BIPHENYLYLENE)-O-CO-R-CO)- WHEREIN X IS A HALOGEN ATOM, R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIVALENT ALIPHATIC RADICALS AND DIVALENT AROMATIC RADICALS IS PREPARED BY REACTING (1) ONE OR MORE COMPOUNDS REPRESENTED BY THE FOLLOWING GENERAL FORMULA: DI(MO-),DI((X)4-)BIPHENYL WHEREIN X IS A HALOGEN ATOMS, M REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOM, ALKALI METAL ATOM AND ACYL GROUP HAVING 2 TO 4 CARBON ATOMS, AND (2) ONE OR MORE COMPOUNDS REPRESENTED BY THE FOLLOWING GENERAL FORMULA: Z-CO-R-CO-Z WHEREIN Z REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A HALOGEN ATOM AND HYDROOXYL GROUP, AND R HAS THE SAME SIGNIFICANCE AS DEFINED ABOVE.
Inventors
- 👤 N Hata
- 👤 Y Takase
Bibliographic Details
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