Poly(benxoic acid), method for the preparation thereof and metho

Details Poly(benxoic acid), method for the preparation thereof and metho Poly(benxoic acid), method for the preparation thereof and metho

1993-09-07

1994-05-17

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528271, C08G 8300, C08G 6110

Patent

active

053128745

ABSTRACT:
Disclosed is a novel polymeric compound poly(benzoic acid) which is a linear polymer consisting of the 1,4-phenylene linkages, each phenylene group having a carboxyl group. Poly(benzoic acid) can be prepared by hydrolyzing a poly(alkyl benzoate) in the presence of an acid or alkali. The thus obtained poly(benzoic acid) can be converted into a poly(p-phenylene) by the decarbonation reaction thereof in an organic solvent such as quinoline in the presence of metallic copper dust or a copper (II) compound such as copper (II) oxide and copper (II) carbonate hydroxide.

REFERENCES:
Wallow et al., J. Am. Chem. Soc., 113 7411-7412 (1991).
Percec et al., Macromolecules, 25, 1816-1823 (1992).

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