公开(公告)号：US20140065409A1

公开(公告)日：2014-03-06

申请号：US14018792

申请日：2013-09-05

Applicant: Nitto Denko Corporation

Inventor： Bunta HIRAI ,  Takumi KOUSAKA

IPC: C08J9/00

CPC classification number: C08J9/0028 ,  C08J9/0033 ,  C08J9/0066 ,  C08J9/0095 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2205/06 ,  C08J2323/16 ,  C08J2323/32 ,  C09J7/26 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2423/166 ,  Y10T428/249983

Abstract: An ethylene-propylene-diene rubber foamed material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. A rate of change of an 80% compressive load value CL2 after being heated at 150° C. for 10 days to an 80% compressive load value CL1 before being heated is −50% or more and 50% or less and the 80% compressive load value CL1 before being heated is 0.5 N/cm2 or more and 10 N/cm2 or less.

Abstract translation: 通过使含有乙烯 - 丙烯 - 二烯橡胶的橡胶组合物发泡，得到乙烯 - 丙烯 - 二烯橡胶发泡体。 在加热之前，在150℃加热10天后80％压缩载荷值CL1的80％压缩载荷值CL2的变化率为-50％以上且50％以下，80％压缩 加热前的负载值CL1为0.5N / cm 2以上且10N / cm 2以下。

公开(公告)号：US20140065410A1

公开(公告)日：2014-03-06

申请号：US14018825

申请日：2013-09-05

Applicant: NITTO DENKO CORPORATION

Inventor： Takumi KOUSAKA ,  Bunta HIRAI

IPC: C08K5/40

CPC classification number: C08K5/40 ,  C08J9/0028 ,  C08J9/0033 ,  C08J9/0066 ,  C08J9/0095 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2205/06 ,  C08J2323/16 ,  C08J2323/32 ,  C08K5/0025 ,  C09J7/26 ,  C09J2201/606 ,  C09J2205/106 ,  C09J2423/166 ,  Y10T428/249983

Abstract: An ethylene-propylene-diene rubber foamed material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber and a cross-linking agent. The cross-linking agent does not contain sulfur and contains a thiuram compound and the mixing ratio of the thiuram compound with respect to 100 parts by mass of the ethylene-propylene-diene rubber is 0.05 parts by mass or more and less than 20 parts by mass.

Abstract translation: 通过使包含乙烯 - 丙烯 - 二烯橡胶和交联剂的橡胶组合物发泡来获得乙烯 - 丙烯 - 二烯橡胶发泡材料。 交联剂不含硫并含有秋兰姆化合物，并且秋兰姆化合物相对于乙烯 - 丙烯 - 二烯橡胶100质量份的混合比为0.05质量份以上且小于20份 质量

公开(公告)号：US20160222182A1

公开(公告)日：2016-08-04

申请号：US15013235

申请日：2016-02-02

Applicant: NITTO DENKO CORPORATION

Inventor： Yuuki FUKUDA ,  Takumi KOUSAKA

IPC: C08J9/00 ,  C08J9/08 ,  C08J9/10

CPC classification number: C08J9/0061 ,  C08J9/08 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/02 ,  C08J2203/04 ,  C08J2207/02 ,  C08J2323/16 ,  C08J2423/06 ,  C08J2423/08 ,  C08J2423/16

Abstract: An ethylene-propylene-diene rubber foamed material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber and a thermoplastic resin having a melting point of 60 to 140° C. The thermoplastic resin content with respect to 100 parts by mass of the ethylene-propylene-diene rubber is 5 to 50 parts by mass and the ethylene-propylene-diene rubber includes an ethylene-propylene-diene rubber having a diene amount of 4.0 mass % or more.

Abstract translation: 通过使含有乙烯 - 丙烯 - 二烯橡胶和熔点为60〜140℃的热塑性树脂的橡胶组合物发泡，得到乙烯 - 丙烯 - 二烯橡胶发泡体。热塑性树脂的含量相对于100质量份 的乙烯 - 丙烯 - 二烯橡胶为5〜50质量份，乙烯 - 丙烯 - 二烯系橡胶为二烯量为4.0质量％以上的乙烯 - 丙烯 - 二烯系橡胶。

公开(公告)号：US20130267619A1

公开(公告)日：2013-10-10

申请号：US13911634

申请日：2013-06-06

Applicant: Nitto Denko Corporation

Inventor： Takayuki IWASE ,  Joji KAWATA ,  Takumi KOUSAKA ,  Nobuyuki TAKAHASHI

IPC: C08J9/00

CPC classification number: C08J9/0033 ,  C08J3/243 ,  C08J2323/16 ,  C09J7/26 ,  C09J2423/006 ,  Y10T428/249977 ,  Y10T428/249983 ,  Y10T428/28

Abstract: An EPDM foam is obtained by foaming a foam composition containing, based on 100 parts by weight of an ethylenepropylenediene rubber, 0.1 to 5 parts by weight of a vulcanizer, 0.1 to 10 parts by weight of a vulcanization accelerator, 1 to 30 parts by weight of a foaming agent, and a foaming auxiliary agent. The vulcanization accelerator contains a thiourea vulcanization accelerator, a thiazole vulcanization accelerator, a dithiocarbamate vulcanization accelerator, and a thiuram vulcanization accelerator such that a thiourea vulcanization accelerator/thiazole vulcanization accelerator/dithiocarbamate vulcanization accelerator/thiuram vulcanization accelerator weight ratio is in a range of 1 to 20/1 to 20/1 to 20/1 to 30.

Abstract translation: 通过使泡沫组合物发泡得到泡沫组合物，该泡沫组合物基于100重量份的乙烯丙烯二烯橡胶，0.1至5重量份的硫化剂，0.1至10重量份的硫化促进剂，1至30重量份 的发泡剂和发泡助剂。 硫化促进剂含有硫脲硫化促进剂，噻唑硫化促进剂，二硫代氨基甲酸盐硫化促进剂和秋兰姆硫化促进剂，硫脲硫化促进剂/噻唑硫化促进剂/二硫代氨基甲酸盐硫化促进剂/秋兰姆硫化促进剂重量比在1 至20/1〜20/1〜20/1〜30。