Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-01-02
1987-06-02
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...
525 66, 525 67, 525 68, 525146, 525148, 525154, 525177, 525184, 525285, 524495, 524496, 524502, 524504, C08L 5900, C08L 6700, C08L 6900, C08L 7700
Patent
active
046705082
ABSTRACT:
A thermoplastic resin composition comprising a melt mixed product of (A) 70% to 98% by weight of at least one thermoplastic resin selected from the group consisting of polyamides, polyacetals, polyesters, and polycarbonates and (B) 30% to 2% by weight of ultra-high molecular weight polyolefin powder having an intrinsic viscosity [.eta.] of 10 dl/g or more, measured in decalin at 135.degree. C., and having an average particle size of 80 .mu.m or less and having a particle size distribution such that substantially all of the powder particles pass through a sieve having a sieve number of 100 and at least 20% by weight of the total powder particles pass through a sieve having a sieve number of 350.
This thermoplastic resin composition has excellent abrasion resistance, excellent impact resistance, and a high critical PV value.
REFERENCES:
patent: 3250823 (1966-05-01), Zeitlin
patent: 3769260 (1973-10-01), Segal
patent: 4305865 (1981-12-01), Okada et al.
patent: 4317764 (1982-03-01), Shier
patent: 4362846 (1982-12-01), Korber et al.
patent: 4381366 (1983-04-01), Sanderson et al.
Chemical Engineering-Characteristics of Fine Particles-p. 207, Jun. 11, 1962.
Kato Akifumi
Kobayashi Toshio
Ohdaira Akio
Suga Michiharu
Yokoyama Akira
Mitsui Petrochemical Industries Ltd.
Seccuro Carman J.
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