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    • 6. 发明申请
    • THERMOPLASTIC VULCANIZATE COMPOSITION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM
    • 热塑性钒酸盐组合物,其制备方法及其制备方法
    • WO2012088689A1
    • 2012-07-05
    • PCT/CN2010/080500
    • 2010-12-30
    • DOW GLOBAL TECHNOLOGIES LLCSUN, Sam, YabinHUGHES, MorganTAI, XiangyangPAEGLIS, ArnisMARCHAND, Gary, Robert
    • SUN, Sam, YabinHUGHES, MorganTAI, XiangyangPAEGLIS, ArnisMARCHAND, Gary, Robert
    • C08L23/10C08L23/16C08K5/00
    • C08L23/26C08K5/0025C08L23/16C08L2205/02C08L2205/03C08L2205/22C08L2312/00C08L23/142C08L23/12
    • A thermoplastic vulcanizate composition comprising from 5 wt% to 95 wt%, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/α-olefin copolymers comprising from 1 to 20 wt% α-olefin and characterized by a g' ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16kg @ 230°C) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt% to 95 wt%, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I 2 from 0.001 to 5 g/10 min, and a Mooney viscosity from 5 to 400, and combinations thereof; wherein at least one of the rubbers is vulcanizable; wherein the thermoplastic vulcanizate composition has a tensile strength at break of greater than or equal to 8 MPa and tear strength at 23°C of at least 190 lb-f/in. is provided. Methods of making the composition and articles made from the composition are also provided.
    • 一种热塑性硫化橡胶组合物,其包含基于热塑性硫化橡胶组合物总重量的5重量%至95重量%的第一组分,其包含第一丙烯类聚合物,其选自(i)丙烯/α-烯烃 共聚物,其包含1至20重量%的α-烯烃,并且以互聚物数均分子量(Mn),MFR(2.16kg @ 230℃)大于或等于0.01测量的Ag'比小于1, 密度大于或等于0.850g / cc,分子量分布Mw / Mn小于或等于3.5,和(ii)它们的组合; 和5重量%至95重量%,基于热塑性硫化橡胶组合物的总重量,选自可固化或可硫化橡胶的第二组分,其密度为0.85至0.88g / cc,I2为0.001 至5g / 10min,门尼粘度为5至400,及其组合; 其中所述橡胶中的至少一种是可硫化的; 其中热塑性硫化橡胶组合物的断裂拉伸强度大于或等于8MPa,在23℃下的撕裂强度为至少190lb-f / in。 被提供。 还提供了由组合物制备组合物和制品的方法。