AGRICULTURAL ANTI-FROST FILM

摘要

PPROBLEM TO BE SOLVED: To provide an agricultural anti-frost film excellent in anti-frost property directly after its extension and maintaining the excellent property for a long period. PSOLUTION: This agricultural anti-frost film is obtained by forming a membrane layer consisting of (a) an aqueous membrane containing a polysaccharide derivative or an acrylamide-based derivative in a first layer and (b) a membrane consisting mainly of colloidal inorganic fine particles and an acrylic copolymer in a second layer, on at least one side of a thermoplastic resin film. It is preferable to install the first layer at the outside and the second layer at the thermoplastic resin film side. PCOPYRIGHT: (C)2006,JPO&NCIPI