Preparation of aromatic polyester with improved stability by add

Details Preparation of aromatic polyester with improved stability by add Preparation of aromatic polyester with improved stability by add

1986-02-25

1987-07-14

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528128, 528173, C08G 6322

Patent

active

046803718

ABSTRACT:
A process for preparing an aromatic polyester derived from aromatic dicarboxylic acid and bisphenol includes adding a phosphite stabilizer to reduce coloration and reduce loss of intrinsic viscosity of the aromatic polyester to a molten mixture of the monomeric reactants or prepolymer.

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