Stabilized poly(alkylene terephthalate) molding materials

Details Stabilized poly(alkylene terephthalate) molding materials Stabilized poly(alkylene terephthalate) molding materials

1979-07-12

1980-10-21

Lieberman, Paul

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

Synthetic resins

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

260 22EP, C08L 6300

Patent

active

042295530

ABSTRACT:
Poly(alkylene terephthalate) molding materials which contain, as the stabilizer, a diepoxide of molecular weight from 200 to 2,000, and a catalyst which is an alkali metal salt of a chelating agent possessing one or more --N(CH.sub.2 --COO.sup.-).sub.2 groups in the molecule. Preferred catalysts are trisodium nitrilotriacetate and tetrasodium ethylenediaminetetraacetate. The molding materials may be used for the manufacture of moldings, films, monofilaments and fibers.

REFERENCES:
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patent: 3621074 (1971-11-01), Siggel
patent: 3886104 (1975-05-01), Borman
patent: 3909485 (1975-09-01), Hongo
patent: 3965212 (1976-06-01), Kamada
patent: 4010219 (1977-03-01), Aoyama
patent: 4020122 (1977-04-01), Borman
patent: 4035333 (1977-07-01), Kamada
patent: 4101601 (1978-07-01), Thomas
patent: 4141882 (1979-02-01), Kodama
patent: 4147737 (1979-04-01), Sein

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