Loading patent…
AssigneeMitsui Chemicals, Inc.
InventorsShigeyuki Yasui, Setsuko Funaki, Yuichiro Terashi
Estimating the term…
It is an object of the invention to provide polypropylene adhesives which have excellent adhesion to polar materials and exhibit particularly excellent adhesion after high-speed cast film processing, stretching or extrusion coating, and are excellent in blushing resistance, and multilayer structures having the adhesives. The adhesive resin composition is a grafted resin composition comprising a polypropylene component (A), an ethylene/propylene/α-olefin copolymer component (B), an ethylene/α-olefin copolymer component (C), and an unsaturated carboxylic acid and/or a derivative thereof (D), and which contains the component (A) at 5 to 80 parts by mass, the component (B) at 5 to 70 parts by mass and the component (C) at 1 to 40 parts by mass based on 100 parts by mass of the components (A), (B) and (C) combined and has an ethylene/propylene/α-olefin ratio in n-decane-soluble components of 5-95/5-95/1-50 mol % and a graft ratio of 0.01 to 5 wt %.
An adhesive grafted resin composition which is a grafted resin composition comprising a polypropylene component (A), an ethylene/propylene/α-olefin copolymer component (B), an ethylene/α-olefin copolymer component (C), and an unsaturated carboxylic acid and/or a derivative thereof (D), and which contains the component (A) at 5 to 80 parts by mass, the component (B) at 5 to 70 parts by mass and the component (C) at 1 to 40 parts by mass based on 100 parts by mass of the components (A), (B) and (C) combined and which has an ethylene/propylene/α-olefin ratio in n-decane-soluble components of 5-95/5-95/1-50 mol % and a graft ratio of 0.01 to 5 wt %.
Dependencies are inferred from the claim text.