Agricultural covering film or sheet and method for thermal insul

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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47 29, 521136, C08L 6102, C08L 3104, C08L 2306

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active

042207363

ABSTRACT:
A resin composition in the form of a covering film or sheet comprising (A) 100 parts by weight of a thermoplastic olefinic resin and (B) about 1 to about 20 parts by weight of an acetal resin; and a method for maintaining an agricultural locus at temperatures suitable for the growth of plants, using above covering film or sheet.

REFERENCES:
patent: 3250823 (1966-05-01), Zeitlin
patent: 3306877 (1967-02-01), Schott et al.
patent: 3476832 (1969-11-01), Pritchard
patent: 3635876 (1972-01-01), Chameroy
patent: 3980734 (1976-09-01), Burg et al.
Lasman, "Foaming Agents for Polyolefins"--SPE Journal, Sep., 1962, pp. 1184-1193.

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