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    • 3. 发明授权
    • Copolymer, rubber composition, cross-linked rubber, cross-linked foam, and uses thereof
    • 共聚物,橡胶组合物,交联橡胶,交联泡沫及其用途
    • US09193856B2
    • 2015-11-24
    • US13130746
    • 2009-11-26
    • Hiroki EbataAkinori TakeharaMitsunao ArinoMasao KunizaneYoshiharu KikuchiTakayuki Kajihara
    • Hiroki EbataAkinori TakeharaMitsunao ArinoMasao KunizaneYoshiharu KikuchiTakayuki Kajihara
    • C08F210/18C08F4/6592C08L23/16C08F232/08
    • C08L23/16C08F4/65908C08F4/6592C08F210/18C08F232/08C08F2420/02C08J9/04C08J2201/026C08J2323/16C08L2203/14C08L2312/00C08L2314/06C08L2666/08C08F210/06C08F236/20
    • The present invention provides a rubber composition having adequate foamability, uses thereof, a copolymer contained in the rubber composition, a rubber composition capable of providing a cross-linked foam, which has a low specific gravity and an excellent shape-retaining property even when the usage of a nonconjugated polyene is reduced, and a cross-linked rubber and a cross-linked foam, which are produced from the rubber composition. A copolymer (A) according to the present invention is a copolymer including structural units derived from ethylene [A], an α-olefin [B], a nonconjugated polyene [C-1], in which one carbon-carbon double bond (C═C) polymerizable with a metallocene catalyst is present in one molecule, and a nonconjugated polyene [C-2], in which two bonds of C═C polymerizable with the metallocene catalyst are present in one molecule, and being synthesized with the metallocene catalyst, wherein (1) the units derived from the component [B] constitute 10 to 50 percent by mole, (2) the total of the units derived from the component [C-1] and the units derived from the component [C-2] is 1.0 to 6.0 percent by mole, (3) the molar ratio of the units derived from the component [C-1] to the units derived from the component [C-2] is 75/25 to 99.5/0.5, (4) [ML (1+4) 100° C.] is 10 to 200, and (5) 50>activation energy of fluidization (kJ/mol)>35 is satisfied.
    • 本发明提供一种橡胶组合物,其具有足够的发泡性,其用途,包含在橡胶组合物中的共聚物,能够提供交联泡沫的橡胶组合物,即使在 降低了非共轭多烯的使用,以及由橡胶组合物制备的交联橡胶和交联泡沫。 根据本发明的共聚物(A)是包含衍生自乙烯[A],α-烯烃[B],非共轭多烯[C-1]的结构单元的共聚物,其中一个碳 - 碳双键 可用金属茂催化剂聚合的≡C)存在于一个分子中,并且在一分子中存在可与金属茂催化剂聚合的C = C的两个键的非共轭多烯[C-2],并与茂金属催化剂合成 其中(1)衍生自组分[B]的单元构成10至50摩尔%,(2)衍生自组分[C-1]的单元和衍生自组分[C-2 ]为1.0〜6.0摩尔%,(3)[C-1]成分的单元与来自成分[C-2]的单元的摩尔比为75/25〜99.5 / 0.5,(4) )[ML(1 + 4)100℃]为10〜200,(5)50>流化活化能(kJ / mol)> 35。
    • 6. 发明申请
    • COPOLYMER, RUBBER COMPOSITION, CROSS-LINKED RUBBER, CROSS-LINKED FOAM, AND USES THEREOF
    • 共聚物,橡胶组合物,交联橡胶,交联泡沫及其用途
    • US20110233448A1
    • 2011-09-29
    • US13130746
    • 2009-11-26
    • Hiroki EbataAkinori TakeharaMitsunao ArinoMasao KunizaneYoshiharu KikuchiTakayuki Kajihara
    • Hiroki EbataAkinori TakeharaMitsunao ArinoMasao KunizaneYoshiharu KikuchiTakayuki Kajihara
    • C08F4/6592C08L9/00C08J9/00E04B1/74
    • C08L23/16C08F4/65908C08F4/6592C08F210/18C08F232/08C08F2420/02C08J9/04C08J2201/026C08J2323/16C08L2203/14C08L2312/00C08L2314/06C08L2666/08C08F210/06C08F236/20
    • The present invention provides a rubber composition having adequate foamability, uses thereof, a copolymer contained in the rubber composition, a rubber composition capable of providing a cross-linked foam, which has a low specific gravity and an excellent shape-retaining property even when the usage of a nonconjugated polyene is reduced, and a cross-linked rubber and a cross-linked foam, which are produced from the rubber composition. A copolymer (A) according to the present invention is a copolymer including structural units derived from ethylene [A], an α-olefin [B], a nonconjugated polyene [C-1], in which one carbon-carbon double bond (C═C) polymerizable with a metallocene catalyst is present in one molecule, and a nonconjugated polyene [C-2], in which two bonds of C═C polymerizable with the metallocene catalyst are present in one molecule, and being synthesized with the metallocene catalyst, wherein (1) the units derived from the component [B] constitute 10 to 50 percent by mole, (2) the total of the units derived from the component [C-1] and the units derived from the component [C-2] is 1.0 to 6.0 percent by mole, (3) the molar ratio of the units derived from the component [C-1] to the units derived from the component [C-2] is 75/25 to 99.5/0.5, (4) [ML (1+4) 100° C.] is 10 to 200, and (5) 50>activation energy of fluidization (kJ/mol)>35 is satisfied.
    • 本发明提供一种橡胶组合物,其具有足够的发泡性,其用途,包含在橡胶组合物中的共聚物,能够提供交联泡沫的橡胶组合物,即使在 降低了非共轭多烯的使用,以及由橡胶组合物制备的交联橡胶和交联泡沫。 根据本发明的共聚物(A)是包含衍生自乙烯[A],α-烯烃[B],非共轭多烯[C-1]的结构单元的共聚物,其中一个碳 - 碳双键 可用金属茂催化剂聚合的≡C)存在于一个分子中,并且在一分子中存在可与金属茂催化剂聚合的C = C的两个键的非共轭多烯[C-2],并与茂金属催化剂合成 其中(1)衍生自组分[B]的单元构成10至50摩尔%,(2)衍生自组分[C-1]的单元和衍生自组分[C-2 ]为1.0〜6.0摩尔%,(3)[C-1]成分的单元与来自成分[C-2]的单元的摩尔比为75/25〜99.5 / 0.5,(4) )[ML(1 + 4)100℃]为10〜200,(5)50>流化活化能(kJ / mol)> 35。