Preparation of aromatic polyester with improved stability by...

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

C - Chemistry, Metallurgy

08

K

400/7645, 400/76

C08K 5/52 (2006.01) C08G 63/87 (2006.01) C08K 5/526 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1310784

ABSTRACT OF THE DISCLOSURE 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 o the monomeric reactants or prepolymer.

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