Process for the preparation of polyester resin

Details Process for the preparation of polyester resin Process for the preparation of polyester resin

1999-12-21

2000-11-07

Acquah, Samuel A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528272, 528279, 528298, 528302, 528308, 5283086, 528487, 528503, 524711, 524783, 524706, C08F 2000, C08G 6378

Patent

active

061438375

ABSTRACT:
A process for the preparation of aromatic polyester resins, in which the resin obtained from the polycondensation phase in the molten state conducted by utilizing a titanium based compound as a catalyst, is subjected to a solid state polycondensation reaction in the presence of a dianhydride of a tetracarboxylic acid.

REFERENCES:
patent: 6057016 (2000-05-01), Al Ghatta et al.

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