公开(公告)号：US20230035852A1

公开(公告)日：2023-02-02

申请号：US17788643

申请日：2020-10-15

Applicant: NITTO DENKO CORPORATION

Inventor： Yuto SUZUKI ,  Takayuki IWASE

IPC: E04C5/07 ,  C08J7/04

Abstract: A reinforcing material that includes a resin layer and a constraining layer disposed on the resin layer. The resin layer contains a thermosetting resin, a diene rubber, a tackifier resin, and a vulcanizing agent. The thermosetting resin contains a flexible epoxy resin. The tackifier resin has a softening temperature of 75° C. or more and 100° C. or less. The tackifier resin has a bromine value of 30 gBr2/100 g or more.

公开(公告)号：US20140287223A1

公开(公告)日：2014-09-25

申请号：US14205774

申请日：2014-03-12

Applicant: NITTO DENKO CORPORATION

Inventor： Bunta HIRAI ,  Takayuki IWASE

IPC: C09J7/02

CPC classification number: C09J7/26 ,  C08J9/0023 ,  C08J9/0028 ,  C08J9/0061 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2323/16 ,  C08J2471/02 ,  C08L23/16 ,  C09J2409/006 ,  Y10T428/249983

Abstract: An ethylene-propylene-diene rubber foamed material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. In the ethylene-propylene-diene rubber foamed material, the content ratio of a sulfur atom calculated based on the measurement result of a fluorescent X-ray measurement, based on mass, is 1000 ppm or less, a rate of change of a 50% compressive load value after being heated at 140° C. for 7 days to a 50% compressive load value before being heated is 50% or more and 150% or less, and the 50% compressive load value before being heated is 0.1 N/cm2 or more and 2.0 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。 在乙烯 - 丙烯 - 二烯橡胶发泡材料中，基于质量计算的基于荧光X射线测量的测量结果计算的硫原子的含量比为1000ppm或更小，变化率为50％ 在加热之前，在140℃下加热7天至50％压缩载荷值的压缩载荷值为50％以上且150％以下，加热前的50％压缩载荷值为0.1N / cm 2 以上且2.0N / cm 2以下。

公开(公告)号：US20140284086A1

公开(公告)日：2014-09-25

申请号：US14205696

申请日：2014-03-12

Applicant: NITTO DENKO CORPORATION

Inventor： Takayuki IWASE ,  Bunta HIRAI ,  Eiji MATSUDA

IPC: F16F1/36 ,  H05K1/02 ,  H05K3/00 ,  F16F15/08

CPC classification number: F16F1/3605 ,  C08J9/0023 ,  C08J9/0028 ,  C08J9/0061 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2323/16 ,  C08J2471/02 ,  H05K1/0271 ,  H05K1/0353 ,  H05K2201/0116 ,  H05K2201/0133 ,  H05K2201/2045 ,  Y10T29/49124

Abstract: A vibration-proof material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. The content ratio of a sulfur atom calculated based on the measurement result of a fluorescent X-ray measurement, based on mass, is 1000 ppm or less and the vibration-proof material has a Young's modulus at 23° C. of 6.0×105 Pa 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来获得防振材料。 基于质量，基于荧光X射线测量的测量结果计算的硫原子的含量比为1000ppm以下，防振材料在23℃下的杨氏模量为6.0×10 5 Pa 或更少。

公开(公告)号：US20140287222A1

公开(公告)日：2014-09-25

申请号：US14205736

申请日：2014-03-12

Applicant: NITTO DENKO CORPORATION

Inventor： Bunta HIRAI ,  Takayuki IWASE

IPC: C08L23/16 ,  C09J7/02

CPC classification number: C08L23/16 ,  C08J9/0023 ,  C08J9/0028 ,  C08J9/103 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2323/16 ,  C09J7/26 ,  C09J2409/006 ,  Y10T428/249983

Abstract: A buffer material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. In the buffer material, the content ratio of a sulfur atom calculated based on the measurement result of a fluorescent X-ray measurement, based on mass, is 1000 ppm or less, the buffer material has a 50% compressive load value of 0.1 N/cm2 or more and 2.0 N/cm2 or less, and the buffer material has a stress relaxation rate in a compressed state of 50% after 10 seconds of compression of 60% or more.

Abstract translation: 通过使含有乙烯 - 丙烯 - 二烯橡胶的橡胶组合物发泡来获得缓冲材料。 在缓冲材料中，基于质量，基于荧光X射线测量的测量结果计算的硫原子的含量比为1000ppm以下，缓冲材料的压缩载荷值为0.1N / cm2以上且2.0N / cm 2以下，缓冲材料在压缩10秒后的压缩状态为50％以上的应力松弛率为60％以上。

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。