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    • 83. 发明公开
    • RUBBER COMPOSITION
    • 橡胶组合物
    • EP2740760A1
    • 2014-06-11
    • EP12820292.6
    • 2012-08-01
    • Bridgestone Corporation
    • KIMURA Shigeo
    • C08L21/00C08K5/29C08K5/39C08K5/40C08K5/47B60C1/00B60C9/18B60C11/02
    • C08K5/16B29D30/56B60C1/00B60C1/0016B60C11/0008B60C11/02B60C2001/0075C08K5/0025C08K5/29C08K5/3472C08K5/39C08K5/40C08K5/47Y10T152/10495C08L21/00
    • Provided are a rubber composition suitable for cushion rubbers of retreaded tires in which tread rubbers of tires such as truck and bus tires (TBR) and aircraft tires are replaced for reuse, and a rubber composition which is suitable for adhesion carried out by interposing the rubber composition between vulcanized rubber members and covulcanizing them in a tire prepared by adhering separately vulcanized rubber members and which is excellent in a productivity.
      The rubber composition is characterized by comprising 0.3 to 2.5 parts by mass of aldehydeamines, 0.1 to 1.5 part by mass of at least one compound selected from a group consisting of tetra(2-ethylhexyl)thiuram disulfide, 1,6-bis(N,N'-dibenzylthiocarbamoyldithio)-hexane and 1,6-bis{N,N'-di(2-ethylhexyl)thiocarbamoyldithio}-hexane, and 0.1 to 2.5 parts by mass of a thiazole type vulcanization accelerator based on 100 parts by mass of a rubber component.
    • 本发明提供一种适用于翻新轮胎的缓冲橡胶的橡胶组合物,其中卡车和公共汽车轮胎(TBR)和飞机轮胎等轮胎的胎面橡胶被替换为再使用,并且适用于通过插入橡胶而实现的粘合的橡胶组合物 硫化橡胶构件之间的组合物,并且通过将硫化橡胶构件分开粘合而制备并且生产率优异的轮胎中使它们共硫化。 该橡胶组合物的特征在于,含有0.3〜2.5质量份的醛胺,0.1〜1.5质量份的选自二(四烷基)二硫化四(2-乙基己基)秋兰姆,1,6-双(N, N'-二苄基硫代氨基甲酰基二硫代)己烷和1,6-双{N,N'-二(2-乙基己基)硫代氨基甲酰基二硫代}己烷和0.1〜2.5质量份噻唑类硫化促进剂,基于100质量份 一个橡胶部件。
    • 85. 发明公开
    • NBR COMPOSITION AND RUBBER-METAL LAMINATE
    • 丁腈橡胶组合物和橡胶 - 金属层压板
    • EP2692789A1
    • 2014-02-05
    • EP12765497.8
    • 2012-03-06
    • NOK Corporation
    • YOKOTA AtsushiHIGASHIRA Toshihiro
    • C08L9/02B32B15/06C08K3/04C08K5/39C08K5/40C08K5/44C08K5/47
    • C08K3/04B32B7/12B32B15/06B32B15/18B32B25/16B32B2255/06B32B2255/26B32B2307/538B32B2307/554B32B2307/584B32B2307/752B32B2581/00C08K5/0025C08K5/40C08K5/47Y10T428/31696C08L9/02
    • A problem to be solved by the present invention is to provide an NBR composition capable of undergoing vulcanizing in an oven and having both of reinforcement and surface smoothness and a rubber metal laminate.
      An NBR composition including an NBR polymer, a vulcanizing agent, a vulcanizing accelerator, and carbon black, wherein the carbon black includes a combination of MT carbon black and carbon black having an iodine absorption number of 20 mg/g or less and a DBP absorption number of 40 cm 3 /100 g or more, and has a total added amount of 110 to 250 parts by weight based on 100 parts by weight of the NBR polymer, and the amount of the MT carbon black is larger than that of the carbon black having an iodine absorption number of 20 mg/g or less and a DBP absorption number of 40 cm 3 /100 g or more and the amount of the carbon black having an iodine absorption number of 20 mg/g or less and a DBP absorption number of 40 cm 3 /100 g or more is 10 to 70 parts by weight based on 100 parts by weight of the NBR polymer, and a metal laminate obtained by laminating the NBR composition.
    • 本发明要解决的问题是提供一种能够在烘箱中进行硫化并具有增强和表面平滑性以及橡胶金属层压体的NBR组合物。 一种NBR组合物,其包含NBR聚合物,硫化剂,硫化促进剂和炭黑,其中所述炭黑包括MT炭黑和具有20mg / g以下的碘吸收值和DBP吸收的炭黑的组合 其数量为40立方厘米/ 100克或更多,并且基于100重量份的NBR聚合物具有110至250重量份的总添加量,并且MT炭黑的量大于炭黑的量 具有20mg / g或更低的碘吸收值和40cm 3 / 100g或更高的DBP吸收值,并且具有20mg / g或更低的碘吸收值的炭黑的量和DBP吸收值为 相对于100重量份的NBR聚合物,40cm 3 / 100g以上为10〜70重量份,以及层叠NBR组合物而成的金属层叠体。