Polypropylene-polyphthalamide blends

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525178, 525184, 525 60, C08L 7710, C08L 2312

Patent

active

052832848

ABSTRACT:
Polypropylene resins are improved in mechanical properties and in rigidity without loss in thermal processability when blended with polyphthalamide resins together with a minor amount of a carboxylated polyolefin compatibilizing aid. Filled compositions, including glass-filled polypropylenes are similarly benefited when blended with a polyphthalamide and a carboxylated polyolefin compatibilizing aid.

REFERENCES:
patent: 4383084 (1983-05-01), Paschket et al.
patent: 4404312 (1983-09-01), Kokubu
patent: 4613647 (1986-09-01), Yonaiyama et al.
patent: 4673728 (1987-06-01), Nielinger
patent: 4831108 (1989-05-01), Richardson
patent: 4988764 (1991-01-01), Nishio et al.
patent: 4990550 (1991-02-01), Iwanami et al.
patent: 5006601 (1991-04-01), Lutz
Encyclopedia of Polymer Science and Eng. J. Wiley & Sons, New York, 1988, vol. 11, pp. 348-349, 372-373.
Solvay Technical Bulletin "Polyacrylamide and Grafted Polypropylene Alloys Properties and Applications"; English language translation from original French Documents. This bulletin is believed to have been published or presented in Spring of 1990, in Paris.

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