| 摘要 |
An olefin-based copolymer composition comprising the following component (a) in combination with any one component selected from the following components (b) to (i): (a): an olefin-based copolymer obtained by copolymerizing two or more olefins, wherein the olefins are selected from the group consisting of ethylene, propylene and alpha-olefins having 4 to 20 carbon atoms, and the total number of carbon atoms of the two or more selected olefins is 6 or more; (b): a crystalline alpha-olefin-based polymer comprising an alpha-olefin having 3 or more carbon atoms; (c): the following component (c-1) and/or component (c-2), (c-1): a block copolymer comprising (cH) a polymer block containing a vinyl aromatic compound and (cS) a polymer block containing a conjugated diene compound, (c-2): a hydrogenated product of the block copolymer recited in (c-1); (d): the component (b) in combination with an isobutylene-isoprene copolymer rubber and/or halogenated isobutylene-isoprene copolymer rubber; (e): the component (b) in combination with a tackifier resin; (f): the component (b), a component (f-1) which is an ethylene-propylene (non-conjugated diene) random copolymer rubber, and a component (f-2) which is an inorganic filler; (g): a component (g-1) and/or (g-2), (g-1): a benzotriazole light stabilizer having a benzotriazole skeleton and having a molecular weight of 100 to 5,000, (g-2): a hindered amine light stabilizer having a piperidyl group in its molecular skeleton and having a molecular weight of about 200 or more; (h): the component (f-1) in combination with the component (b) and/or an ethylene-based polymer having an ethylene content of 90 mol % or more; and (i): the component (b) and the inorganic filler (f-2).
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