| 发明名称 | Cross-linkable nitrile rubber composition and method of production of same | ||
| 摘要 | A cross-linkable nitrile rubber composition obtained by mixing a master batch (B) which contains a nitrile copolymer rubber (b1) having an iodine value of 120 or less and an aromatic polyvalent amine cross-linking agent (b2) into a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less and a cross-linked product obtained by cross-linking the same are provided. | ||
| 申请公布号 | US9382391(B2) | 申请公布日期 | 2016.07.05 |
| 申请号 | US201013502689 | 申请日期 | 2010.10.19 |
| 申请人 | ZEON CORPORATION | 发明人 | Emori Nobuyoshi |
| 分类号 | C08L13/00;C08L9/02;C08J3/22;C08K5/18 | 主分类号 | C08L13/00 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A method of producing a cross-linkable nitrile rubber composition comprising a step of preparing a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less, a step of mixing with a nitrile copolymer rubber (b1) having an iodine value of 120 or less an aromatic polyvalent amine cross-linking agent (b2) to obtain a master batch (B), a step of mixing with said carboxyl group-containing nitrile copolymer rubber (A) said master batch (B), wherein a number of moles of carboxyl groups which the nitrile copolymer rubber (b1) contains per 100 g of the nitrile copolymer rubber (b1) is 5×10−5 ephr or less. | ||
| 地址 | Tokyo JP | ||