Partially crosslinked linear aromatic polyesters

Details Partially crosslinked linear aromatic polyesters Partially crosslinked linear aromatic polyesters

1975-03-03

1976-09-14

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 83, 264319, 264349, C08G 1702

Patent

active

039807495

ABSTRACT:
Partially crosslinked thermoplastic polyesters of recurring linear moieties of the formula ##SPC1##
Are described wherein n is 0 or 1, and p, q and r are integers which total 30 to 600. The polyester is partially crosslinked by oxidizing meltable polymer to a "gelled" thermoplastic state, producing molecules of average molecular weights in the range of 10,000 to 1,000,000, preferably of 100,000 to 500,000.

REFERENCES:
patent: 2919474 (1960-01-01), Cole
patent: 3629379 (1971-12-01), Otani
patent: 3637595 (1972-01-01), Cottis et al.
patent: 3662052 (1972-05-01), Nowak et al.
patent: 3759870 (1973-09-01), Economy et al.
patent: 3829406 (1974-08-01), Cottis et al.
patent: 3839515 (1974-10-01), Romovacek

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