公开(公告)号：US08991573B2

公开(公告)日：2015-03-31

申请号：US10576672

申请日：2004-11-10

申请人： Makoto Sanpei ,  Motoyuki Sunaoka ,  Shinji Yamada ,  Nobuyoshi Takamatsu

发明人： Makoto Sanpei ,  Motoyuki Sunaoka ,  Shinji Yamada ,  Nobuyoshi Takamatsu

IPC分类号： C08L23/16 ,  F16F15/126 ,  F16F7/10

CPC分类号： F16F15/126 ,  C08L23/16 ,  C08L2205/02 ,  C08L2312/00 ,  Y10T74/2131 ,  C08L2666/06

摘要： A damper having an elastic body formed from a cross-linking product of an EPDM composition, which comprises (a) 100 parts by weight of at least one kind of EPDM, whose propylene content in sum total of ethylene and propylene in the copolymerization rubber is 35-50 wt. %, the EPDM having a Mooney viscosity (ML100) of not less than 40, (b) 5-50 parts by weight of α-olefin oligomer, which is a polymer of α-olefin represented by the general formula, CH2CHR, where R is an alkyl group having 3-12 carbon atoms, with a number average molecular weight Mn of 300-1,400 and (c) 1-10 parts by weight of an organic peroxide cross-linking agent.

摘要翻译： 一种阻尼器，具有由EPDM组合物的交联产物形成的弹性体，该弹性体包含（a）共聚橡胶中的（a）100重量份的至少一种EPDM，其共聚橡胶中的乙烯和丙烯的总和的丙烯含量为 35-50重量％ ％，门尼粘度（ML100）不小于40的EPDM，（b）5-50重量份作为由通式表示的α-烯烃的聚合物的CH 2 CHR的α-烯烃低聚物，其中R 是具有3-12个碳原子的烷基，数均分子量Mn为300-1,400，和（c）1-10重量份的有机过氧化物交联剂。

公开(公告)号：US20070039793A1

公开(公告)日：2007-02-22

申请号：US10576672

申请日：2004-11-10

申请人： Makoto Sanpei ,  Motoyuki Sunaoka ,  Shinji Yamada ,  Nobuyoshi Takamatsu

发明人： Makoto Sanpei ,  Motoyuki Sunaoka ,  Shinji Yamada ,  Nobuyoshi Takamatsu

IPC分类号： F16F7/10

CPC分类号： F16F15/126 ,  C08L23/16 ,  C08L2205/02 ,  C08L2312/00 ,  Y10T74/2131 ,  C08L2666/06

摘要： In a damper having a structure comprising a vibration body, a mass member and an elastic body through which the mass member is joined to the vibration body, the elastic body is formed from a cross-linking product of an EPDM composition, which comprises (a) 100 parts by weight of at least one kind of EPDM, whose propylene content in sum total of ethylene and propylene in the copolymerization rubber is 35-50 wt. %, or a blend rubber of at least one kind of EPDM and EPM, whose propylene content in sum total of ethylene and propylene in the blend rubber is 35-50 wt. %, the EPDM or the blend rubber having a Mooney viscosity (ML100) of not less than 40, (b) 5-50 parts by weight of α-olefin oligomer, which is a polymer of α-olefin represented by the general formula, CH2═CHR, where R is an alkyl group having 3-12 carbon atoms, with a number average molecular weight Mn of 300-1,400 and (c) 1-10 parts by weight of an organic peroxide cross-linking agent. The elastic body for use in the damper has a good balance between changes in spring constant at low temperatures and damping characteristics in the normal use temperature region.

摘要翻译： 在具有振动体，质量构件和质量构件通过其与振动体接合的弹性体的结构的阻尼器中，弹性体由EPDM组合物的交联产物形成，其包含（a ）100重量份的至少一种EPDM，其共聚橡胶中的乙烯和丙烯的总和的丙烯含量为35-50重量份。 ％，或至少一种EPDM和EPM的共混橡胶，其共混橡胶中乙烯和丙烯的总和的丙烯含量为35-50wt。 ％，EPDM或门尼粘度（ML100）为40以上的混合橡胶，（b）5-50重量份作为由通式表示的α-烯烃的聚合物的α-烯烃低聚物， CH 2 -CHR，其中R是具有3-12个碳原子的烷基，数均分子量Mn为300-1,400，和（c）1-10重量份的有机过氧化物 交联剂。 用于阻尼器的弹性体在低温下的弹簧常数的变化和正常使用温度区域的阻尼特性之间具有良好的平衡。