Production of aromatic amorphous thermoplastic poly aryl ether f

Details Production of aromatic amorphous thermoplastic poly aryl ether f Production of aromatic amorphous thermoplastic poly aryl ether f

1987-07-01

1988-11-08

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528171, 528210, 528211, 528219, 528220, 528226, C08G 6540

Patent

active

047835206

ABSTRACT:
The method of preparing a thermoplastic polyarylether polymer which comprises reacting a first monomer composition comprising an activated dihalobenzenoid compound and a dihydroxydiphenyl aliphatic monomer in a molar ratio of dihalobenzenoid compound to dihydroxybenzenoid compound of at least 1.2 to 1, adding to the product a second monomer composition comprising a dihydroxybenzenoid compound comprising at least one compound which is free of aliphatic moieties and polymerizing.

REFERENCES:
patent: 3948857 (1976-04-01), Feasey et al.
patent: 4175175 (1979-11-01), Johnson et al.

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