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1. 发明授权

US08945701B2 Ethylene resin composition, sealing material for solar cell, and solar cell module utilizing the sealing material 有权
标题翻译：乙烯树脂组合物，太阳能电池用密封材料和利用密封材料的太阳能电池组件
公开(公告)号：US08945701B2
公开(公告)日：2015-02-03
申请号：US13375771
申请日：2010-05-31
申请人： Shigenobu Ikenaga , Takashi Hakuta , Kazuhiro Yarimizu , Hiroshi Mori , Takanobu Murofushi , Hirofumi Zenkoh , Jun Tokuhiro , Fumito Takeuchi
发明人： Shigenobu Ikenaga , Takashi Hakuta , Kazuhiro Yarimizu , Hiroshi Mori , Takanobu Murofushi , Hirofumi Zenkoh , Jun Tokuhiro , Fumito Takeuchi
IPC分类号： H01L31/048 , B32B3/30 , B32B27/32 , C08F10/02 , C08L23/08 , C08L23/26 , C08F255/02 , C08L51/06 , C08K5/00 , C08K5/5425
CPC分类号： C08L23/26 , B32B2457/12 , C08F255/02 , C08K5/005 , C08K5/5425 , C08L51/06 , H01L31/0481 , Y02E10/50 , Y10T428/24504 , C08F230/08
摘要： An ethylene resin composition is provided which has excellent properties including adhesion properties, electrically insulating properties, transparency, moldability and process stability and can be produced without requiring any cross-linking procedure if necessary to improve productivity; and others. The ethylene resin composition contains a modified product produced by modifying an ethylene polymer (A) that meets all of the requirements a) to e) mentioned below with an ethylenically unsaturated silane compound (B). a) The density is 900 to 940 kg/m3. b) The melting peak temperature is 90 to 125 ° C. as determined by DSC. c) The melt flow rate (MFR2) is 0.1 to 100 g/10 minutes as measured at 190 ° C. and a load of 2.16 kg in accordance with JIS K-6721. d) The Mw/Mn ratio is 1.2 to 3.5. e) The content of metal residues is 0.1 to 50 ppm.
摘要翻译：提供一种乙烯树脂组合物，其具有优异的性能，包括粘合性能，电绝缘性能，透明性，成型性和工艺稳定性，并且如果需要，可以生产而不需要任何交联程序来提高生产率; 和别的。乙烯树脂组合物含有通过用烯键式不饱和硅烷化合物（B）改性满足下述所有a）至e）的乙烯聚合物（A）而制备的改性产物。 a）密度为900至940 kg / m3。 b）通过DSC测定，熔融峰温度为90至125℃。 c）根据JIS K-6721，190℃下的熔体流动速率（MFR 2）为0.1〜100g / 10分钟，负荷为2.16kg。 d）Mw / Mn比为1.2〜3.5。 e）金属残留物的含量为0.1〜50ppm。

2. 发明申请

US20120073631A1 ETHYLENE RESIN COMPOSITION, SEALING MATERIAL FOR SOLAR CELL, AND SOLAR CELL MODULE UTILIZING THE SEALING MATERIAL 有权
标题翻译：乙烯树脂组合物，太阳能电池密封材料和利用密封材料的太阳能电池模块
公开(公告)号：US20120073631A1
公开(公告)日：2012-03-29
申请号：US13375771
申请日：2010-05-31
申请人： Shigenobu Ikenaga , Takashi Hakuta , Kazuhiro Yarimizu , Hiroshi Mori , Takanobu Murofushi , Hirofumi Zenkoh , Jun Tokuhiro , Fumito Takeuchi
发明人： Shigenobu Ikenaga , Takashi Hakuta , Kazuhiro Yarimizu , Hiroshi Mori , Takanobu Murofushi , Hirofumi Zenkoh , Jun Tokuhiro , Fumito Takeuchi
IPC分类号： H01L31/048 , B32B3/30 , B32B27/32 , C08F10/02 , C08L23/08
CPC分类号： C08L23/26 , B32B2457/12 , C08F255/02 , C08K5/005 , C08K5/5425 , C08L51/06 , H01L31/0481 , Y02E10/50 , Y10T428/24504 , C08F230/08
摘要： The purpose of the present invention is to provide an ethylene resin composition which has excellent properties including adhesion properties, electrically insulating properties, transparency, moldability and process stability and can be produced without requiring any cross-linking procedure if necessary to improve productivity; and others. The ethylene resin composition contains a modified product produced by modifying an ethylene polymer (A) that meets all of the requirements a) to e) mentioned below with an ethylenically unsaturated silane compound (B). a) The density is 900 to 940 kg/m3. b) The melting peak temperature is 90 to 125 DEG C as determined by DSC. c) The melt flow rate (MFR2) is 0.1 to 100 g/10 minutes as measured at 190° C. and a load of 2.16 kg in accordance with JIS K-6721. d) The Mw/Mn ratio is 1.2 to 3.5. e) The content of metal residues is 0.1 to 50 ppm.
摘要翻译：本发明的目的是提供一种乙烯树脂组合物，其具有优异的性能，包括粘合性，电绝缘性，透明性，成型性和工艺稳定性，并且如果需要，可以制备而不需要任何交联方法来提高生产率; 和别的。乙烯树脂组合物含有通过用烯键式不饱和硅烷化合物（B）改性满足下述所有a）至e）的乙烯聚合物（A）而制备的改性产物。 a）密度为900至940 kg / m3。 b）通过DSC测定，熔融峰温度为90〜125℃。 c）根据JIS K-6721，190℃下的熔体流动速率（MFR 2）为0.1〜100g / 10分钟，负荷为2.16kg。 d）Mw / Mn比为1.2〜3.5。 e）金属残留物的含量为0.1〜50ppm。

3. 发明授权

US07208548B2 Crosslinkable rubber compositions and uses thereof 有权
标题翻译：可交联橡胶组合物及其用途
公开(公告)号：US07208548B2
公开(公告)日：2007-04-24
申请号：US11002938
申请日：2004-12-03
申请人： Takashi Hakuta , Masaaki Kawasaki , Yoshiharu Kikuchi , Tsutomu Nakamura , Satao Hirabayashi , Takeo Yoshida
发明人： Takashi Hakuta , Masaaki Kawasaki , Yoshiharu Kikuchi , Tsutomu Nakamura , Satao Hirabayashi , Takeo Yoshida
IPC分类号： C08L83/00
CPC分类号： C08K5/0025 , C08L23/16 , C08L83/04 , C08L2312/08 , C08L2314/02 , C08L83/00
摘要： The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene/α-olefin/non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor.
摘要翻译：本发明的交联性橡胶组合物可以通过热风进行交联，在使用HB的铅笔的硬度试验中，热风交联橡胶片在表面没有刮痕，并且在a后的压缩永久变形为70％以上在150℃下热处理22小时。该橡胶组合物包含一个乙烯/α-烯烃/非共轭多烯无规共聚物橡胶，其包含特定的含乙烯基端基的降冰片烯化合物，在一个分子中具有至少两个SiH基团的含SiH基化合物，如果需要，包含铂族元素和反应抑制剂的加成反应催化剂。

4. 发明授权

US07015292B2 Silicon-containing olefin copolymer, crosslinkable rubber composition thereof, and use thereof 失效
标题翻译：含硅烯烃共聚物，其可交联橡胶组合物及其用途
公开(公告)号：US07015292B2
公开(公告)日：2006-03-21
申请号：US10499122
申请日：2002-12-26
申请人： Keiji Okada , Hidetatsu Murakami , Takashi Hakuta , Masaaki Kawasaki
发明人： Keiji Okada , Hidetatsu Murakami , Takashi Hakuta , Masaaki Kawasaki
IPC分类号： C08F130/08 , C08F10/00
CPC分类号： C08F210/18 , C08F210/02 , C08F210/06 , C08F210/16 , C08L23/0823 , C08L2666/02 , C08F232/00 , C08F2500/25 , C08F2500/17 , C08F2500/09 , C08F236/20 , C08F2500/03
摘要： A silicon-containing olefin copolymer is provided which comprises (a) a constituent unit derived from —CH2—CH2— such as ethylene, (b) a constituent unit derived from —CH2—CHR— where R is a hydrocarbon group of 1 to 18 carbon atoms, and (c) a constituent unit containing a specific silicon-containing group. A silicon-containing olefin copolymer is also provided which is obtainable by co-polymerizing ethylene, an a-olefin of 3 to 20 carbon atoms and a specific silicon-containing ethylene monomer.
摘要翻译：提供含硅烯烃共聚物，其包含（a）衍生自-CH 2 -CH 2 - 的结构单元，例如乙烯，（b）衍生自 -CH 2 - ，其中R是1至18个碳原子的烃基，和（c）含有特定含硅基团的构成单元。还提供了可通过使乙烯，3-20个碳原子的α-烯烃和特定的含硅乙烯单体共聚获得的含硅烯烃共聚物。

5. 发明申请

US20050038214A1 Silicon-containing olefin copolymer, crosslinkable rubber composition thereof, and use thereof 失效
标题翻译：含硅烯烃共聚物，其可交联橡胶组合物及其用途
公开(公告)号：US20050038214A1
公开(公告)日：2005-02-17
申请号：US10499122
申请日：2002-12-26
申请人： Keiji Okada , Hidetatsu Murakami , Takashi Hakuta , Masaaki Kawasaki
发明人： Keiji Okada , Hidetatsu Murakami , Takashi Hakuta , Masaaki Kawasaki
IPC分类号： C08F210/02 , C08F210/06 , C08F210/16 , C08F210/18 , C08L23/08 , C08F30/08
CPC分类号： C08F210/18 , C08F210/02 , C08F210/06 , C08F210/16 , C08L23/0823 , C08L2666/02 , C08F232/00 , C08F2500/25 , C08F2500/17 , C08F2500/09 , C08F236/20 , C08F2500/03
摘要： The first silicon-containing olefin copolymer of the present invention comprises (a) a constituent unit derived from —CH2—CH2—, (b) a constituent unit derived from —CH2—CHR— [R is a hydrocarbon group of 1 to 18 carbon atoms], and (c) a constituent unit containing a specific silicon-containing group, and has a molar ratio [(a)/(b)] of the constituent units (a) to the constituent units (b) of from 99/1 to 30/70, a content of the constituent unit (c) of from 0.1 to 10 mol % based on 100 mol % of the total amounts of the constituent units (a), (b) and (c), and a branching index of not less than 0.70. The second silicon-containing olefin copolymer of the present invention is obtainable by copolymerizing ethylene, an α-olefin of 3 to 20 carbon atoms and a specific silicon-containing ethylene monomer, and has a molar ratio of ethylene to α-olefin of from 99/1 to 30/70, an intrinsic viscosity, as measured in decalin at 135° C., of from 0.1 to 10 dl/g, a content of the ethylene monomer of from 0.1 to 10 mol % based on 100 mol % of the total amounts of ethylene, α-olefin and the ethylene monomer. These copolymers may be cross-linked and then submitted to use, and have a high cross-linking rate, excellent productivity, heat ageing properties, weathering resistance. They, further, can provide a rubber composition capable of preparing molded articles having excellent properties such as scratch resistance, resistance to compression set, electric properties and strength. They furthermore can provide sealing materials, potting materials, coating materials and adhesives made from the composition and also provide cross-linked articles of the composition.
摘要翻译：本发明的第一含硅烯烃共聚物包含（a）衍生自-CH 2 -CH 2 - 的构成单元，（b）衍生自-CH 2 -CHR-的结构单元[R是1至18碳的烃基原子]，（c）含有特定含硅基团的构成单元，构成单元（a）与构成单元（b）的摩尔比[（a）/（b）]为99 / 1〜30/70，构成单元（c）的含量相对于构成单元（a），（b）和（c）的总量的100摩尔％为0.1〜10摩尔％，分支指数不低于0.70。本发明的第二含硅烯烃共聚物可通过使乙烯，3-20个碳原子的α-烯烃和特定的含硅乙烯单体共聚而获得，并且乙烯与α-烯烃的摩尔比为99 / 1〜30/70，在135℃萘烷中测定的特性粘度为0.1〜10dl / g，乙烯单体的含量相对于100摩尔％为0.1〜10摩尔％乙烯，α-烯烃和乙烯单体的总量。这些共聚物可以交联，然后使用，具有高的交联速度，优异的生产率，热老化性能，耐候性。它们还可以提供能够制备具有优异性能如耐刮擦性，耐压缩变形性，电性能和强度的模制品的橡胶组合物。它们还可以提供由组合物制成的密封材料，灌封材料，涂料和粘合剂，并且还提供组合物的交联物品。

6. 发明授权

US06608144B1 Ethylene &agr;-olefin/unconjugated polyene random copolymer rubber containing hydrolyzable silyl group and process for producing the same 有权
标题翻译：含有可水解甲硅烷基的乙烯α-烯烃/非共轭多烯无规共聚物橡胶及其制备方法
公开(公告)号：US06608144B1
公开(公告)日：2003-08-19
申请号：US09787850
申请日：2001-03-23
申请人： Tsutomu Nakamura , Takeo Yoshida , Akira Yamamoto , Takashi Hakuta , Yoshiharu Kikuchi , Masaaki Kawasaki
发明人： Tsutomu Nakamura , Takeo Yoshida , Akira Yamamoto , Takashi Hakuta , Yoshiharu Kikuchi , Masaaki Kawasaki
IPC分类号： C08F800
CPC分类号： C08F8/42 , C08F210/16
摘要： The invention provides an ethylene-&agr;-olefin-unconjugated polyene random copolymer rubber having hydrolyzable silyl groups in the molecule, which is crosslinkable with air-borne moisture at room temperature and is not only useful for resin modification, but also applicable as elastic sealants and adhesives, and a method for preparing the same.
摘要翻译：本发明提供了一种乙烯-α-烯烃 - 非共轭多烯无规共聚物橡胶，其在分子中具有可水解的甲硅烷基，其在室温下与空气传播的水分可交联，并且不仅可用于树脂改性，而且可用作弹性密封剂和粘合剂及其制备方法。

7. 再颁专利

USRE37527E1 Heat-resistant rubber composition 有权
标题翻译：耐热橡胶组合物
公开(公告)号：USRE37527E1
公开(公告)日：2002-01-22
申请号：US09538790
申请日：2000-03-29
申请人： Takashi Hakuta , Tetsuo Tojo , Masaaki Kawasaki , Mikio Hosoya
发明人： Takashi Hakuta , Tetsuo Tojo , Masaaki Kawasaki , Mikio Hosoya
IPC分类号： C08F800
CPC分类号： C08K5/14 , C08K5/0025 , C08L23/0815 , C08L2312/00 , C08L23/16 , C08L2666/04
摘要： A heat-resistant rubber composition of the invention is a vulcanizable composition comprising a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) and an organic peroxide (B). This heat-resistant composition has high crosslinking efficiency given by the organic peroxide and high modulus, and can provide a vulcanized rubber molded product of excellent resistance to environmental deterioration such as thermal aging resistance. The other heat-resistant rubber composition of the invention is a vulcanizable composition comprising 100 parts by weight of a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) composed of ethylene, an &agr;-olefin or 3 to 20 carbon atoms and a nonconjugated polyene which is a vinyl end group-containing norbornene compound, 0.2 to 5 parts by weight of an amine type anti-aging agent (C) and/or a hindered phenol type anti-aging agent (D), 1 to 10 parts by weight of a sulfur type anti-aging agent (E) and an organic peroxide (B). This heat-resistant rubber composition can provide a vulcanized rubber molded product showing not only excellent mechanical properties and electrical properties and but also prominently high thermal aging resistance.
摘要翻译：本发明的耐热橡胶组合物是包含特定乙烯-α-烯烃 - 非共轭多烯共聚物橡胶（A）和有机过氧化物（B）的可硫化组合物。该耐热组合物具有由有机过氧化物和高模量赋予的高交联效率，并且可以提供耐环境劣化如耐热老化性优异的耐硫化橡胶模制产品。本发明的另一种耐热橡胶组合物是一种可硫化组合物，其包含100重量份由乙烯，α-烯烃或3至20个碳原子组成的特定乙烯-α-烯烃 - 非共轭多烯共聚物橡胶（A）和作为含有乙烯基端基的降冰片烯化合物的非共轭多烯，0.2〜5重量份的胺型防老化剂（C）和/或受阻酚型抗老化剂（D），1〜10重量份的硫型防老化剂（E）和有机过氧化物（B）。该耐热橡胶组合物可以提供硫化橡胶模制产品，其不仅具有优异的机械性能和电性能，而且显示出高显着高的耐热老化性。

8. 发明授权

US06458894B1 Rubber modifier of ethylene/&agr;-olefin (/diene) copolymer rubber(s) 失效
标题翻译：乙烯/α-烯烃（/二烯）共聚物橡胶的橡胶改性剂
公开(公告)号：US06458894B1
公开(公告)日：2002-10-01
申请号：US08927893
申请日：1997-09-11
申请人： Masaaki Kawasaki , Taku Koda , Takashi Hakuta , Tetsuo Tojo
发明人： Masaaki Kawasaki , Taku Koda , Takashi Hakuta , Tetsuo Tojo
IPC分类号： C08L2308
CPC分类号： C08L23/16 , C08L2205/02 , C08L2666/04
摘要： A rubber modifier comprises an ethylene/&agr;-olefin copolymer rubber (A) composed of one or more copolymers selected from the group consisting of a copolymer of ethylene and an &agr;-olefin having 3-20 carbon atoms and a copolymer of ethylene, an &agr;-olefin having 3-20 carbon atoms and a non-conjugated polyene, the copolymer rubber (A) having the parameters: an ethylene/&agr;-olefin mole ratio in the range of 51/49 to 87/13, an intrinsic viscosity [&eegr;] determined in decahydronaphthalene at 135° C. in the range of 0.8 to 2.5 dl/g and an iodine value in the range of 0 to 40.
摘要翻译：橡胶改性剂包括由一种或多种共聚物组成的乙烯/α-烯烃共聚物橡胶（A），所述共聚物选自由乙烯和具有3-20个碳原子的α-烯烃的共聚物和乙烯的共聚物，α 具有3-20个碳原子的α-烯烃和非共轭多烯，所述共聚物橡胶（A）具有以下参数：乙烯/α-烯烃摩尔比在51/49至87/13的范围内，特性粘度[η ]在十氢萘中在135℃下测定，在0.8至2.5dl / g的范围内，碘值在0至40的范围内。

9. 发明授权

US5733983A Heat-resistant rubber composition 失效
标题翻译：耐热橡胶组合物
公开(公告)号：US5733983A
公开(公告)日：1998-03-31
申请号：US750821
申请日：1996-12-10
申请人： Takashi Hakuta , Tetsuo Tojo , Masaaki Kawasaki , Mikio Hosoya
发明人： Takashi Hakuta , Tetsuo Tojo , Masaaki Kawasaki , Mikio Hosoya
IPC分类号： C08K5/00 , C08K5/14 , C08L23/08 , C08F8/00
CPC分类号： C08K5/14 , C08K5/0025 , C08L23/0815 , C08L2312/00
摘要： A heat-resistant rubber composition of the invention is a vulcanizable composition comprising a specific ethylene-.alpha.-olefin-nonconjugated polyene copolymer rubber (A) and an organic peroxide (B). This heat-resistant composition has high crosslinking efficiency given by the organic peroxide and high modulus, and can provide a vulcanized rubber molded product of excellent resistance to environmental deterioration such as thermal aging resistance. The other heat-resistant rubber composition of the invention is a vulcanizable composition comprising 100 parts by weight of a specific ethylene-.alpha.-olefin-nonconjugated polyene copolymer rubber (A) composed of ethylene, an .alpha.-olefin or 3 to 20 carbon atoms and a nonconjugated polyene which is a vinyl end group-containing norbornene compound, 0.2 to 5 parts by weight of an amine type anti-aging agent (C) and/or a hindered phenol type anti-aging agent (D), 1 to 10 parts by weight of a sulfur type anti-aging agent (E) and an organic peroxide (B). This heat-resistant rubber composition can provide a vulcanized rubber molded product showing not only excellent mechanical properties and electrical properties and but also prominently high thermal aging resistance.
摘要翻译： PCT No.PCT / JP96 / 00991 Sec。 371日期1996年12月10日第 102（e）日期1996年12月10日PCT 1996年4月11日PCT PCT。出版物WO96 / 32442 日期1996年10月17日本发明的耐热橡胶组合物是包含特定乙烯-α-烯烃 - 非共轭多烯共聚物橡胶（A）和有机过氧化物（B）的可硫化组合物。该耐热组合物具有由有机过氧化物和高模量赋予的高交联效率，并且可以提供耐环境劣化如耐热老化性优异的耐硫化橡胶模制产品。本发明的另一种耐热橡胶组合物是一种可硫化组合物，其包含100重量份由乙烯，α-烯烃或3至20个碳原子组成的特定乙烯-α-烯烃 - 非共轭多烯共聚物橡胶（A）和作为含有乙烯基端基的降冰片烯化合物的非共轭多烯，0.2〜5重量份的胺型防老化剂（C）和/或受阻酚型抗老化剂（D），1〜10重量份的硫型防老化剂（E）和有机过氧化物（B）。该耐热橡胶组合物可以提供硫化橡胶模制产品，其不仅具有优异的机械性能和电性能，而且显示出高显着高的耐热老化性。

10. 发明授权

US08101254B2 Rubber composition, crosslinked product and foam thereof, molded product therefrom, and use thereof 有权
标题翻译：橡胶组合物，交联产物和泡沫，其成型产品及其用途
公开(公告)号：US08101254B2
公开(公告)日：2012-01-24
申请号：US12314155
申请日：2008-12-04
申请人： Yuji Noguchi , Takashi Hakuta , Hiroki Ebata , Kotaro Ichino , Shuichi Nonaka , Satoshi Hase , Kazuyoshi Kaneko , Akinori Takehara
发明人： Yuji Noguchi , Takashi Hakuta , Hiroki Ebata , Kotaro Ichino , Shuichi Nonaka , Satoshi Hase , Kazuyoshi Kaneko , Akinori Takehara
IPC分类号： C08L47/00 , C08L9/00 , C08K3/04 , B32B1/08
CPC分类号： C08L23/02 , C08F4/65908 , C08F4/65912 , C08F10/00 , C08F210/16 , C08F210/18 , C08J9/0061 , C08J9/0066 , C08J9/06 , C08J2201/024 , C08J2323/16 , C08J2423/00 , C08K3/04 , C08K3/06 , C08K3/22 , C08K3/26 , C08K3/346 , C08K5/0025 , C08K5/09 , C08K5/17 , C08L23/04 , C08L23/0815 , C08L23/10 , C08L23/16 , C08L91/00 , C08L2205/025 , C08L2312/00 , C08L2666/02 , C08L2666/06 , C08L2666/08 , C09K3/10 , C09K2200/0617 , C09K2200/062 , C09K2200/0642 , Y10T428/1386 , C08F4/6592 , C08F236/20 , C08F2500/17 , C08F210/06
摘要： The present invention provides a molded product exhibiting excellent various properties by improving compatibility of an ethylene/α-olefin/non-conjugated polyene copolymer with a polyolefin resin and a rubber composition for forming the molded product. The present invention further provides a molded product which comprises a rubber composition, is inhibited from fogging and tackiness and is excellent in mechanical strength and heat aging resistance. The rubber composition of the invention comprises an ethylene/α-olefin/non-conjugated polyene copolymer (A), and a polyolefin resin (B) having Mn of not less than 10,000 and/or an ethylene/α-olefin copolymer (C) having Mn of 2500 to 5000, and satisfies the following requirements: (1) a maximum value and a minimum value of an ethylene distribution parameter P of the component (A) have a relationship of Pmax/Pmin≦1.4, and (2) the B value of the component (C) ([EX]/(2[E]×[X])) ([E] and [X] are molar fractions of ethylene and the α-olefin of 3 to 20 carbon atoms, respectively, and [EX] is a fraction of dyad sequence of ethylene/α-olefin of 3 to 20 carbon atoms) is not more than 1.05.
摘要翻译：本发明提供通过改善乙烯/α-烯烃/非共轭多烯共聚物与聚烯烃树脂的相容性和用于形成模塑产品的橡胶组合物来显示出优异的各种性能的模制产品。本发明还提供一种包含橡胶组合物的模塑制品，其防止起雾和粘合，并且机械强度和耐热老化性优异。本发明的橡胶组合物包含乙烯/α-烯烃/非共轭多烯共聚物（A）和Mn不小于10,000的聚烯烃树脂（B）和/或乙烯/α-烯烃共聚物（C） Mn为2500〜5000，满足以下要求：（1）成分（A）的乙烯分布参数P的最大值和最小值具有Pmax / Pmin＆lt; N1和1.4的关系，（2）组分（C）（[EX] /（2 [E]×[X]））（[E]和[X]）分别为乙烯和3-20个碳原子的α-烯烃的摩尔分数，[EX]为3〜20个碳原子的乙烯/α-烯烃的二元序列的分数）不大于1.05。

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