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    • 4. 发明申请
    • Thermoplastic elastomer composition and laminate
    • 热塑性弹性体组合物和层压板
    • US20070287804A1
    • 2007-12-13
    • US11806868
    • 2007-06-05
    • Takeshi Tominaga
    • Takeshi Tominaga
    • C08L23/04
    • C08L23/0815C08L23/06C08L23/10C08L23/16C08L2205/02C08L2205/03C08L2666/02
    • The present invention has an object to provide a thermoplastic elastomer composition with a small adhesiveness to calender roll and having a stable drawdown property in a broad temperature range in vacuum forming. The present invention relates to a thermoplastic elastomer composition comprising the following component (A) in an amount of 5 to 94% by weight, the following component (B) in an amount of 1 to 90% by weight and the following component (C) in an amount of 5 to 70% by weight, with the proviso that an amount in total of the components (A), (B) and (C) is set to 100% by weight: (A) an ethylene-α-olefin copolymer rubber; (B) a polypropylene resin which satisfies the following equation (1) in a melt tension (MT) at 190° C. and a melt flow rate (MFR) at 230° C. log MT>−0.9 log MFR+0.8;   (1) and (C) a polyethylene resin comprising: an ethylene monomer alone: or a monomer unit derived from ethylene and a monomer unit derived from α-olefin with 3 to 20 carbon atoms and having a density of 890 to 970 kg/m3.
    • 本发明的目的是提供一种对压延辊的粘附性小的热塑性弹性体组合物,并且在真空成形中的宽温度范围内具有稳定的牵伸性能。 本发明涉及一种热塑性弹性体组合物,其含有5〜94重量%的以下成分(A),以下成分(B)为1〜90重量%,以下成分(C) (A),(B)和(C)的总量的量设定为100重量%:(A)乙烯-α-烯烃的量为5〜70重量% 共聚橡胶; (B)在190℃下熔融张力(MT)和230℃下的熔体流动速率(MFR)满足下列等式(1)的聚丙烯树脂。<?in-line-formula description =“In -line公式“end =”lead“?> log MT> -0.9 log MFR + 0.8; (1)<?in-line-formula description =“In-line Formulas”end =“tail”?>和(C)聚乙烯树脂,其包含:单独的乙烯单体或衍生自乙烯和单体单元的单体单元 衍生自具有3至20个碳原子并具有890至970kg / m 3的密度的α-烯烃。