Thermoplastic polymer blends comprising EPDM, E/EA copolymer and

Details Thermoplastic polymer blends comprising EPDM, E/EA copolymer and Thermoplastic polymer blends comprising EPDM, E/EA copolymer and

1977-11-28

1978-12-26

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 235A, 260 4247, 260848, 260897A, C08L 2316

Patent

active

041316541

ABSTRACT:
Certain thermoplastic polymer blends have tensile strengths greater than that of any one polymer component. The blends comprise (1) at least one ethylene-propylene-diene (EPDM) polymer, (2) at least one ethylene-ethyl acrylate (EEA) polymer, and (3) optionally, at least one polyethylene. The blends are prepared by mixing physically the polymer components under heat and shear conditions. No curing or crosslinking agents are needed to obtain the superior tensile strengths of the thermoplastic blends. The blends are useful to prepare tubing, sheet products, wire and cable insulation, molded items and the like.

REFERENCES:
patent: 3821333 (1974-06-01), Goodwin et al.
patent: 3941859 (1976-03-01), Batiuk et al.

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