Resin composition and film suitable for agricultural covering ma

Details Resin composition and film suitable for agricultural covering ma Resin composition and film suitable for agricultural covering ma

1987-09-04

1989-05-09

Seccuro, Carman J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

525240, C08J 518, C08L 2316, C08L 2318

Patent

active

048289060

ABSTRACT:
A film suitable for an agricultural covering material is formed from a resin composition comprising a blend comprising (A) an ethylene/.alpha.-olefin random copolymer having a low melt flow rate and (B) an ethylene/.alpha.-olefin copolymer having a high melt flow rate. The random copolymer (A) has a density (D.sub.A) of 0.935 to 0.950 g/cc and the random copolymer (B) has a density (D.sub.B) of 0.905 to 0.935 g/cc, and the density (D.sub.B) of the random copolymer (B) satisfies the requirement of D.sub.B .ltoreq.0.9D.sub.A +0.09 in which D.sub.A stands for the density of the copolymer (A).

REFERENCES:
patent: 4429079 (1984-01-01), Shibata et al.
patent: 4438238 (1984-03-01), Fukushima et al.
patent: 4590124 (1986-05-01), Schoenberg

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