Process for the production of colorless aromatic polyester and p

Details Process for the production of colorless aromatic polyester and p Process for the production of colorless aromatic polyester and p

1984-12-10

1986-10-14

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528173, 528176, 528179, 528180, 528181, 528182, 528190, 528191, 528193, 528194, C08G 802

Patent

active

046173684

ABSTRACT:
The invention relates to a process for the production of colorless, heat-stable and hydrolysis-stable aromatic polyesters and polyester carbonates by conventional interfacial polycondensation of aromatic dicarboxylic acid dichlorides and diphenolates in which dicarboxylic acid dichlorides are used which have been obtained by chlorination from the dimethyl esters of the corresponding acids, and tertiary cycloaliphatic amines are used as catalysts.

REFERENCES:
patent: 4349659 (1982-09-01), Kato et al.
patent: 4381391 (1983-04-01), Chen et al.
patent: 4482694 (1984-11-01), Freitag et al.
patent: 4528146 (1985-07-01), Bockmann et al.

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