Process for producing liquid crystal polymer

Details Process for producing liquid crystal polymer Process for producing liquid crystal polymer

1995-11-22

1997-04-01

Acquah, Samuel A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528185, 528190, 528194, 528206, 528219, 528272, 528275, 528288, 528298, 528302, 528308, 5283086, 524779, C08G 6300

Patent

active

056166800

ABSTRACT:
A process for producing an anisotropic melt-phase forming polymer involving separate acetylation and polymerization steps, which utilizes controlled vapor phase reflux to reduce reactant loss and assist in maintaining the stoichiometry of the process.

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patent: 4746694 (1988-05-01), Charbonneau et al.
Chemical Abstracts vol. 9, No. 22, Nov. 28, 1988 p. 50, Abstract No. 191546J.
DE 1917331 is equivalent to U.S. 3,543,709.

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