High-strength polypropylene fiber

Details High-strength polypropylene fiber High-strength polypropylene fiber

1990-05-17

1991-08-13

Seccuro, Carman J.

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

Synthetic resins

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

525194, 524528, C08L 2312, C08L 2326, C08J 500, C08J 324

Patent

active

050397486

ABSTRACT:
High-Strength polypropylene fiber is obtained from polypropylene having incorporated therein from 0.05 to 10,000 ppm by weight of a vinylcycloalkane polymer. The disclosed fiber polypropylene has an intrinsic viscosity of from 0.5 to 2.5 dl/g as measured in a tetralin solution at 135.degree. C. and a ratio of weight average molecular weight to number average molecular weight of not more than 3.5/1.

REFERENCES:
patent: 2947598 (1960-08-01), Maragliano et al.
patent: 3207739 (1965-09-01), Wales
patent: 3887534 (1975-06-01), Baba et al.
patent: 4551501 (1985-11-01), Shiga et al.
patent: 4748207 (1988-05-01), Kakugo et al.
Wales et al.-Crystallization-Modified Polypropylene-10/64-SPE Journal pp. 1113-1119.
Kresser-Polypropyline-5/61-pp. 130-131 Reinhold Plastic Applications Series.

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