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    • 8. 发明授权
    • Composition based on polyolefins and on ethylene-vinyl acetate copolymer
    • 基于聚烯烃和乙烯 - 乙酸乙烯酯共聚物的组合物
    • US06258862B1
    • 2001-07-10
    • US08881610
    • 1997-06-25
    • Pierre MatzEdmond Mulkens
    • Pierre MatzEdmond Mulkens
    • C08J906
    • C08J5/18C08J2323/02C08J2323/08C08L23/0853C08L23/10C08L23/12C08L2203/14C08L2205/03C08L2312/00C08L2666/02
    • A composition including, by weight: from 40 to 80% of at least one uncrosslinked composition (A) including at least one polyolefin (PA); from 60 to 20% of at least one crosslinked composition (B) including at least one propylene polymer (PB) and at least one ethylene-vinyl acetate (EVA) copolymer. The composition B has preferably been obtained beforehand by processing a composition including from 10 to 49% of at least one propylene polymer (PB), from 90 to 51% by weight of at least one ethylene-vinyl acetate copolymer, and from 100 to 1500 ppm by weight of at least one crosslinking agent. This composition makes it possible especially to manufacture foam sheets which can be employed in the motor vehicle industry, which are thermoformable, HF weldable and recyclable.
    • 一种组合物,其包含:至少一种包含至少一种聚烯烃(PA)的至少一种未交联的组合物(A)的40至80%;至少一种包含至少一种丙烯聚合物的至少一种交联组合物(B)的60至20% (PB)和至少一种乙烯 - 乙酸乙烯酯(EVA)共聚物。组合物B优选通过以下方式预先获得:将包含10至49%的至少一种丙烯聚合物(PB)的组合物,90至51% 至少一种乙烯 - 乙酸乙烯酯共聚物的重量,以及100-1500ppm重量的至少一种交联剂。该组合物特别可以制造可用于机动车辆工业中的可热成型的泡沫片材, HF可焊接和可回收。