Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-02-24
1995-04-18
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525418, 528271, C08G 8300, C08G 6100
Patent
active
054080118
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:
patent: 5102971 (1992-04-01), Himmler
Wallow et al., J. Am. Chem. Soc., 113 7411-7412 (1991).
Percec et al., Macromolecules, 26, 1816-1823 (1992).
Kaeriyama Kyoji
Tanaka Susumu
Japan, as represented by Director General of Agency of Industria
Seidleck James J.
Zemel I.
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