Polymer blends containing isocyanate reacting agents

Details Polymer blends containing isocyanate reacting agents Polymer blends containing isocyanate reacting agents

1988-04-05

1991-04-02

Carrillo, Ana L.

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

Synthetic resins

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

525131, 525399, 525424, 525440, 525931, C08L 2300, C08L 5900, C08L 6702, C08L 7700

Patent

active

050047841

ABSTRACT:
A composition of improved strength, stiffness, or toughness consisting essentially of a blend of at least two incompatible thermoplastic polymers, at least one of which has a flexural modulus of less than 150 kpsi, and at least one isocyanate reacting agent having functionality less than three. The composition, an engineering plastic that is impact resistant, is useful as, for example, a molding resin, an automobile bumper or door, or high pressure tubing.

REFERENCES:
patent: 3697624 (1972-10-01), Braunstein
patent: 4409167 (1983-10-01), Kolouch et al.
patent: 4463156 (1984-07-01), McGary et al.
patent: 4550148 (1985-10-01), Droescher et al.
patent: 4661546 (1987-04-01), Abu-Isa et al.
Defensive Publ. T908,011, published Mar. 27, 1973, Author: Witsiepe, Title: Polyisocyanate Modified Thermoplastic Polyester Compositions.

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