| 摘要 |
PURPOSE:To make it possible to reduce neck-in occurring in extrusion laminating, by mixing a specified graft-modified ethylene/alpha-olefin random copolymer with a specified high-pressure process low-density polyethylene and a tackifying agent. CONSTITUTION:A composition comprising 98-50wt.% at least partially grafted ethylene/alpha-olefin random copolymer (A) of a degree of grating of 0.01-10wt.%, a melt flow rate of 0.1-50g/10min and a density of 0.850-0.900g/cm<3>, an ethylene content of 30-95mol.% and a crystallinity by X-ray diffractometry <=40%, 1-50wt.% tackifying agent (B) and 1-40wt.% high-pressure process low-density polyethylene (C) of a melt flow rate of 0.1-20g/10min and a density of 0.905-0.940g/cm<3>. In the production of a laminate by laminating bases by using this composition, it is preferable that the thickness of the adhesive layer be in the range of 0.005-1mm. |
