MATERIAL FOR MD SHRINK AND MD SHRINK FILM

摘要

Provided are a material for an MD shrink film with good shrinking performance and thickness accuracy, and a film formed with the material.The material for the MD shrink film is a resin composition comprising a mixture of a blockcopolymer of a vinyl aromatic hydrocarbon and a conjugated diene and at least one of a vinyl aromatic hydrocarbon polymer, a copolymer of a vinyl aromatic hydrocarbon and (meth)acrylic acid and a copolymer of a vinyl aromatic hydrocarbon and a (meth)acrylate in a mass ratio of from 100/0 to 50/50, and a rubber-modified styrene polymer in an amount of from 0.5 to 3 parts by mass relative to 100 parts by mass of the mixture, wherein a molecular weight distribution (Mw/Mn) of the resincomposition exceeds 1.2 and a content of the conjugated diene in monomer units in the resin composition is from 10 to 30% by mass.No Figure