Toughened linear aromatic polymers

Details Toughened linear aromatic polymers Toughened linear aromatic polymers

1973-08-21

1977-03-08

Phynes, Lucille M.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

264 297, 264319, 4234471, B27J 500, D04H 154

Patent

active

040112934

ABSTRACT:
Shaped articles composed of compacted polymeric particles wherein said polymer comprises substantially linear, aromatic polymer selected from the group consisting of aromatic hydrocarbon polymers, aromatic halocarbon polymers and aromatic halohydrocarbon polymers, consists essentially of substantially heteroatom-free aromatic linkages along the polymer backbone, is thermally stable at about 400.degree. C as evidenced by decomposition temperatures above about 400.degree. C, is infusible at the decomposition temperature, and is insoluble in conventional solvents are toughened by sintering said shaped article under a time-temperature cycle such that, when T/T.sub.10 is plotted against t in the graph of the drawing, the point falls between the line representing the equation

REFERENCES:
patent: 3412062 (1968-11-01), Johnson et al.
patent: 3443899 (1969-05-01), Accountis
patent: 3555108 (1971-01-01), Bilow et al.
patent: 3719452 (1973-03-01), Accountis
patent: 3809673 (1974-05-01), White et al.

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