POLYMERIC COMPOSITION, METHOD FOR PRODUCING NON-STRETCHED FILM, NON-STRETCHED FILM, HEAT-SEALING MATERIAL, AND PACKAGING MATERIAL.

摘要

Disclosed is a polymeric composition comprising a propylene polymer and an ionomer containing an ethylene-α,β-unsaturated carboxylic acid copolymer and an ethylene-α,β-unsaturated carboxylic acid-α,β-unsaturated carboxylic acid ester ternary polymer, wherein the melt flow rate (MFR) of the ionomer at a processing temperature (under a load of 2160 g) when forming a film by melt T-die casting is 50 to 250% of the MFR of the propylene polymer under the same conditions. Disclosed is a polymeric composition comprising a propylene polymer and an ionomer containing an ethylene-α,β-unsaturated carboxylic acid copolymer and an ethylene-α,β-unsaturated carboxylic acid-α,β-unsaturated carboxylic acid ester ternary polymer, wherein the melt flow rate (MFR) of the ionomer at a processing temperature (under a load of 2160 g) when forming a film by melt T-die casting is 50 to 250% of the MFR of the propylene polymer under the same conditions. Disclosed is a coating composition for thick coating which has excellent application workability, facilitates thick coating, rarely causes cracks in the early drying stages, and provides a dried film having excellent tensile properties and excellent adhesion. The composition comprises an emulsion composition in which polymer particles are dispersed in an aqueous medium and an aggregate. The polymer particles comprise 40 to 98% by mass of a structural unit (A) obtained by polymerizing an alkyl (meth)acrylate monomer having an alkyl group with 4 to 14 carbon atoms, 0.1 to 5% by mass of a structural unit (B) obtained by polymerizing an ethylenically unsaturated carboxylic acid monomer, 1 to 20% by mass of a structural unit (C) obtained by polymerizing a vinyl monomer having a cyano group, 1 to 20% by mass of a structural unit (D) obtained by polymerizing a monomer comprising a reaction product of (meth)acrylic acid with a monofunctional epoxy compound, and 0 to 50% by mass of a structural unit (E) obtained by copolymerizing at least one monomer selected from the above-mentioned monomers with another monomer.