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    • 12. 发明授权
    • α-olefin-based polymer composition, molded product formed from the composition, and novel polymer
    • 基于α-烯烃的聚合物组合物,由该组合物形成的模塑产品和新型聚合物
    • US07847040B2
    • 2010-12-07
    • US11578972
    • 2005-04-08
    • Ryoji MoriTakashi NakagawaShigenobu IkenagaHiromasa MarubayashiMasahiko OkamotoYasushi TohiKouji Nagahashi
    • Ryoji MoriTakashi NakagawaShigenobu IkenagaHiromasa MarubayashiMasahiko OkamotoYasushi TohiKouji Nagahashi
    • C08F4/48
    • C08F210/06C08L23/10C08L23/142C08L2666/06
    • A composition having excellent transparency, flexibility, rubber elasticity, thermal resistance, impact resistance, abrasion resistance and the like, a composition having excellent rigidity and impact resistance as well as excellently balanced in whitening resistance, abrasion resistance and heat sealability, and a composition having excellent rubbery properties, thermal resistance, abrasion resistance and flexibility are provided.A composition comprising a specific propylene•α-olefin copolymer for which, in a signal chart measured by 13C-NMR and predetermined such that the peak present at the highest magnetic field among the signals originating from CH (methine) of the constituent unit derived from an α-olefin having 4 to 20 carbon atoms is to be at 34.4 ppm, an absorption intensity A at about 22.0 to 20.9 ppm and an absorption intensity B at about 19.0 to 20.6 ppm satisfy the following relational expressions (i) and (ii) with respect to an absorption intensity C at about 19.0 to 22.0 ppm, which is assignable to propylene methyl: (A/C)×100≦8  (i), and (B/C)×100≧60  (ii), a molded product thereof, and the α-olefin-based copolymer are provided.
    • 具有优异的透明性,柔软性,橡胶弹性,耐热性,耐冲击性,耐磨性等的组合物,具有优异的刚性和耐冲击性以及优异的耐白度,耐磨性和热封性均衡的组合物和具有 提供优异的橡胶性能,耐热性,耐磨性和柔韧性。 一种包含特定丙烯-α-烯烃共聚物的组合物,其以13 C-NMR测量的信号图表示,并且预先确定来自源自该构成单元的CH(次甲基)的CH(次甲基)的信号中的最高磁场存在的峰 具有4至20个碳原子的α-烯烃应为34.4ppm,约22.0至20.9ppm的吸收强度A和约19.0至20.6ppm的吸收强度B满足以下关系式(i)和(ii) (A / C)×100≦̸ 8(i)和(B / C)×100≥60(ii))中的约19.0〜22.0ppm的吸收强度C, 其产物和α-烯烃基共聚物。