| 摘要 |
PROBLEM TO BE SOLVED: To obtain a polyolefin-based resin composition improved in roll peelability when subjected to calendering operation, thus resulting in higher production efficiency, to obtain films made from the composition, and to obtain pressure-sensitive adhesive sheets or sheets with the above films as substrates. SOLUTION: This resin composition for calendering use comprises (A) a resin composed of hard segment and soft segment; wherein the hard segment consists of polypropylene, and the soft segment consists of at least one kind of copolymer selected from (1) copolymers of propylene and ethylene, (2) copolymers of propylene and anα-olefin of the formula CH2=CHR (R is a 2-8C aliphatic or aromatic group) and (3) copolymer of propylene and a diene compound; and (B) a polyethylene-based resin with a softening point of 60-140 deg.C.
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