| 摘要 |
PURPOSE:To raise the mechanical characteristics of a styrene resin-based film by molding a styrene resin into which rubber particles of an occlusion structure, having an average diameter of 0.3-2mu, and a butadienedominated particles of an average diameter of 0.4mu or less are dispersed into a film. CONSTITUTION:Particles of an average diameter of 0.3-2mu, having an occlusion structure in which styrene-dominated small particles are surrounded by a butadiene-dominated skin, and styrene-butadiene block copolymer particles containing 35-80wt% styrene and 65-20wt% butadiene and having an average diameter of 0.04mu or less are dispersed into a styrene resin to prepare a modified styrene resin. Then, the modified styrene resin is molded into a film by an extrusion and stretching film formation method. The film has a hazing degree of 5% or less, a tensile elasticity modulus of 210-265kg/mm.<2>, and a slipperiness of 0.7 or less and is useful in the fields of handkerchief, package, etc. |
