Ethylene polymer blend compositions

Details Ethylene polymer blend compositions Ethylene polymer blend compositions

1983-01-04

1985-01-22

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...

C08L 2320, C08L 2304

Patent

active

044953348

ABSTRACT:
Provided is a polymer composition having a melt index of 0.01 to 5.0 and a density of 0.870 to 0.940 prepared by blending 30 to 80 parts by weight of an ethylene/.alpha.-olefin copolymer having an intrinsic viscosity determined in decalin at 135.degree. C. of 1.7 to 10 dl/g and a density not higher than 0.945 which copolymer is obtained by copolymerizing ethylene with an .alpha.-olefin of C.sub.3 to C.sub.12, with 70 to 20 parts by weight of a high-pressure process polyethylene having an intrinsic viscosity determined in decalin at 135.degree. C. of not higher than 1.3 dl/g and a density of 0.915 to 0.935.

REFERENCES:
patent: 2983704 (1961-05-01), Roedel
patent: 3176052 (1965-03-01), Peticolas
patent: 4330639 (1982-05-01), Matsuura et al.
patent: 4335224 (1982-06-01), Matsuura et al.
patent: 4337188 (1982-06-01), Climenhage
patent: 4367841 (1983-01-01), Mazumdar
patent: 4413097 (1983-11-01), Matsuura et al.
"New Materials"-Dec. 1979-p. 86, Plastics World.
"New Polyethylenes"-Feb. 80-pp. 39-40, Package Engineering.

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