Olefin resin composition for injection molding

Details Olefin resin composition for injection molding Olefin resin composition for injection molding

1988-11-04

1992-01-07

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525240, C08L 2312

Patent

active

050792873

ABSTRACT:
Disclosed is an olefin resin composition for injection molding, which comprises (A) an olefin resin composition comprising ultra-high-molecular-weight polyethylene having an intrinsic viscosity of 10 to 40 dl/g as measured in decalin as the solvent at 135.degree. C. and low-molecular-weight or high-molecular-weight polyethylene having an intrinsic viscosity lower than that of the ultra-high-molecular-weight polyethylene, in which the ultra-high-molecular-weight polyethylene is present in an amount of 15 to 40% by weight based on the sum of both of the polyethylenes and the two polyethylenes as a whole have an intrinsic viscosity [.eta.] c of 3.5 to 15 dl/g and a melt torque T lower than 4.5 kg.cm, and (B) 1 to 70% by weight, based on the olefin resin composition, of an additive selected from the group consisting of fine particulate inorganic fillers, fibrous fillers and liquid and solid lubricants.

REFERENCES:
patent: 4786687 (1988-11-01), Sand
patent: 4792588 (1988-12-01), Suga
patent: 4835219 (1989-05-01), Tajima
patent: 4933393 (1990-06-01), Toyota et al.

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