Method of making heat-resistant polyester with a glycidylisocyan

Details Method of making heat-resistant polyester with a glycidylisocyan Method of making heat-resistant polyester with a glycidylisocyan

1984-08-27

1985-07-16

Phynes, Lucille M.

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

Synthetic resins

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

525440, 528289, 528297, C08G 6376

Patent

active

045297797

ABSTRACT:
This invention is a method of making heat-resistant polyester, the method being characterized by reacting the polyester consisting of aromatic dicarboxylic acid and the glycol component of 2-6 carbons with 0.3-5 weight % of the N-glycidylisocyanuric acid compound containing 1-2 N-glycidyl groups to reduce the amount of end carboxyl groups to less than 15 g equivalents per 10.sup.6 of the polymer.

REFERENCES:
patent: 4139521 (1979-02-01), Lazarus et al.
patent: 4459390 (1984-07-01), Arai et al.
patent: 4459392 (1984-07-01), Arai et al.

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