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    • 4. 发明授权
    • Elastomeric composition for preparing olefinic elastomer crosslinked foam and use thereof
    • 用于制备烯属弹性体交联泡沫的弹性组合物及其用途
    • US06720364B2
    • 2004-04-13
    • US10060246
    • 2002-02-01
    • Takanori SuedaNaoto YasakaChong-Sun YooJeong-Sik YoonKyung-Man Choi
    • Takanori SuedaNaoto YasakaChong-Sun YooJeong-Sik YoonKyung-Man Choi
    • C08J900
    • C08K5/098C08L23/06C08L23/0815C08L23/04C08L2666/04
    • The elastomeric composition for preparing an olefinic elastomer crosslinked foam according to the present invention contains an ethylene/&agr;-olefin copolymer (A) having a specific density and MFR, an organic peroxide (D), a crosslinking assistant (E), a foaming agent (F), an organic metal compound (G), and as necessary, a high pressure low density polyethylene (B) having a specific MFR, and an ethylene/vinyl acetate copolymer (C) having a specific amount of vinyl acetate and a specific MFR. An olefinic elastomer crosslinked foam of the present invention can be obtained by crosslinking and foaming the above composition. Further, another olefinic elastomer crosslinked foam of the present invention can be obtained by a secondary compression of the above crosslinked foam. The footwear part of the present invention is made of these crosslinked foams. The present invention provides an elastomeric composition for preparing an olefinic elastomer crosslinked foam that can provide an olefinic elastomer crosslinked foam having an Asker C hardness of 20 to 80, a low specific gravity, a low compression set, and excellent tear strength and impact resilience; and a crosslinked foam made of this. Furthermore, the present invention provides footwear parts made of the above crosslinked foam.
    • 用于制备根据本发明的烯属弹性体交联泡沫体的弹性体组合物含有具有特定密度和MFR的乙烯/α-烯烃共聚物(A),有机过氧化物(D),交联助剂(E),发泡剂 (F),有机金属化合物(G)和根据需要的具有特定MFR的高压低密度聚乙烯(B)和具有特定量的乙酸乙烯酯的乙烯/乙酸乙烯酯共聚物(C) MFR。 本发明的烯烃弹性体交联泡沫体可以通过交联和发泡上述组合物获得。 此外,本发明的另一种烯属弹性体交联泡沫体可以通过二次压缩上述交联泡沫体获得。 本发明的鞋类部分由这些交联泡沫制成。 本发明提供了一种用于制备烯烃弹性体交联泡沫体的弹性体组合物,其可提供具有20至80的Asker C硬度,低比重,低压缩永久变形和优异的撕裂强度和抗冲击弹性的烯属弹性体交联泡沫体; 和由其制成的交联泡沫。 此外,本发明提供由上述交联泡沫制成的鞋类部件。