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    • 7. 发明申请
    • THERMOPLASTIC ELASTOMERIC MATERIAL COMPRISING A VULCANIZED RUBBER IN A SUBDIVIDED FORM
    • 包含VULCENIZED橡胶的热塑性弹性体材料
    • WO2005097887A1
    • 2005-10-20
    • PCT/EP2004/003302
    • 2004-03-29
    • PIRELLI & C. S.P.A.RESMINI, EmilianoTIRELLI, DiegoGALBUSERA, Michele
    • RESMINI, EmilianoTIRELLI, DiegoGALBUSERA, Michele
    • C08L21/00
    • C08L19/003C08F8/46C08F2800/20C08L23/00C08L25/04C08L53/02C08L53/025Y10T428/269C08F297/04C08L2666/02
    • The present invention relates to a thermoplastic elastomeric material comprising: (a) from l10% by weight to 100% by weight, preferably from 20% by weight to 80% by weight, of at least one styrene-based thermoplastic elastomer; (b) from 0% by weight to 90% by weight, preferably from 20% by weight to 80% by weight, of at least one thermoplastic α-olefin homopolymer or copolymer different from (a); the amount of (a) + (b) being 100; (c) from 2 parts by weight to 90 parts by weight, preferably from 5 parts by weight to 40 parts by weight, of a vulcanized rubber in a subdivided form; (d) from 0.01 parts by weight to 10 parts by weight, preferably from 0.05 parts by weight to 5 parts by weight, of at least one coupling agent containing at least one ethylenic unsaturation; the amounts of (c) and (d) being expressed with respect to 100 parts by weight of (a) + (b). Said thermoplastic elastomeric material shows improved mechanical properties, in particular, stress at break and elongation at break. Moreover, said thermoplastic elastomeric material shows improved abrasion resistance.
    • 本发明涉及一种热塑性弹性体材料,其包含:(a)10重量%至100重量%,优选20重量%至80重量%的至少一种苯乙烯基热塑性弹性体; (b)0重量%至90重量%,优选20重量%至80重量%的至少一种不同于(a)的热塑性α-烯烃均聚物或共聚物; (a)+(b)的量为100; (c)2重量份至90重量份,优选5重量份至40重量份的细分硫化橡胶; (d)0.01重量份至10重量份,优选0.05重量份至5重量份的至少一种含有至少一个烯属不饱和键的偶联剂; (c)和(d)的量相对于(a)+(b)的100重量份表示。 所述热塑性弹性体材料显示出改善的机械性能,特别是断裂应力和断裂伸长率。 此外,所述热塑性弹性体材料显示出改进的耐磨性。