Cationic graft-modified natural rubber latex
    1.
    发明授权
    Cationic graft-modified natural rubber latex 失效
    阳离子接枝改性天然橡胶胶乳

    公开(公告)号:US06512034B1

    公开(公告)日:2003-01-28

    申请号:US09657508

    申请日:2000-09-08

    IPC分类号: C08K519

    摘要: Disclosed is a cationic graft-modified natural rubber latex, which is obtained by cationically modifying the graft-natural natural rubber latex with a cationic surfactant in the presence of a nonionic surfactant such as polyoxyalkylene alkyl phenyl ether, polyoxyalkylene monostyryl phenyl ether, polyoxyalkylene distyryl phenyl ether or polyoxyalkylene tristyryl phenyl ether, the obtained rubber latex being useful as an adhesive for fibers and papers.

    摘要翻译: 公开了一种阳离子接枝改性天然橡胶胶乳,其通过在非离子表面活性剂如聚氧化烯烷基苯基醚,聚氧化烯单苯乙烯基苯基醚,聚氧化烯二苯乙烯基苯基,聚氧化烯二苯乙烯基苯基等存在下,用阳离子表面活性剂阳离子改性接枝天然橡胶胶乳 醚或聚氧化烯三苯乙烯基苯基醚,所得橡胶胶乳可用作纤维和纸张的粘合剂。

    Cationic deproteinized natural rubber latex, method of preparing the same, and treating agent used in the method
    3.
    发明授权
    Cationic deproteinized natural rubber latex, method of preparing the same, and treating agent used in the method 失效
    阳离子脱蛋白天然橡胶胶乳,其制备方法以及该方法中使用的处理剂

    公开(公告)号:US06462159B1

    公开(公告)日:2002-10-08

    申请号:US09657816

    申请日:2000-09-08

    IPC分类号: C08F11234

    摘要: Disclosed are a cationic deproteinized natural rubber latex, in which rubber particles are positively charged and the concentration of said rubber particles is from 40 to 65% by weight and that the viscosity at 25° C. of said latex is 200 mPa·s or less, a method of preparing said latex which comprises subjecting to a deprotenization treatment using a proteolytic enzyme and a deproteinizing agent made of one or more surfactant selected from cationic and nonionic surfactants, and optionally adding a post additive comprising a cationic or nonionic surfactant as an active component, thereby to enable both surfactants described above to coexist, and a treating agent used in the same.

    摘要翻译: 公开了一种阳离子去蛋白天然橡胶胶乳,其中橡胶颗粒带正电并且所述橡胶颗粒的浓度为40至65重量%,并且所述胶乳的25℃下的粘度为200mPa.s以下 制备所述胶乳的方法,其包括使用蛋白水解酶和由一种或多种选自阳离子和非离子表面活性剂的表面活性剂制成的脱蛋白剂进行脱苹果化处理,以及任选地加入包含阳离子或非离子表面活性剂的后添加剂作为活性物质 从而使上述两种表面活性剂共存,以及其中使用的处理剂。

    Deproteinizing agent and method of preparing cationic deproteinized natural rubber latex using the same
    4.
    发明授权
    Deproteinizing agent and method of preparing cationic deproteinized natural rubber latex using the same 失效
    脱蛋白剂及使用其制备阳离子去蛋白天然橡胶胶乳的方法

    公开(公告)号:US06265479B1

    公开(公告)日:2001-07-24

    申请号:US09657411

    申请日:2000-09-08

    IPC分类号: C08L702

    摘要: Disclosed are a deproteinizing agent comprising a proteolytic enzyme and one or more cationic surfactants selected from the group consisting of an alkylamine salt, an alkylamine derivative and quaternized compounds thereof; and a method of preparing a cationic deproteinized natural rubber latex, which comprises adding said deproteinizing agent to a field latex or an ammonia-treated latex thereby subjecting the latex to a deproteinization treatment and purifying the rubber particles in the latex.

    摘要翻译: 公开了一种脱蛋白剂,其包含蛋白水解酶和一种或多种选自烷基胺盐,烷基胺衍生物和其季铵化合物的阳离子表面活性剂; 以及制备阳离子去蛋白天然橡胶胶乳的方法,其包括将所述脱蛋白剂添加到现场胶乳或经氨处理的胶乳中,由此使胶乳进行脱蛋白处理并纯化胶乳中的橡胶颗粒。

    Deproteinizing agent, deproteinized natural rubber latex using the same, and method of producing rubber product
    5.
    发明授权
    Deproteinizing agent, deproteinized natural rubber latex using the same, and method of producing rubber product 失效
    脱蛋白剂,使用其脱蛋白天然橡胶胶乳,以及生产橡胶制品的方法

    公开(公告)号:US07015264B2

    公开(公告)日:2006-03-21

    申请号:US10615839

    申请日:2003-07-10

    IPC分类号: C08C1/04 C12N9/96

    摘要: The present invention relates to (1) a deproteinizing agent for natural rubber latex, comprising a protease and one or more water-soluble polymers as an active component; (2) a deproteinized natural rubber latex, which is prepared by subjecting to a deprotenization treatment using the deproteinizing agent, and a method of producing the same; (3) a method of producing a rubber product, which comprises incorporating at least a vulcanizing agent into the latex (2), dipping a mold in the resulting compound latex, and vulcanizing and drying a rubber film formed on the mold; and (4) a method of producing a rubber product, which comprises incorporating at least a heat sensitizer and a vulcanizing agent into the latex (2), dipping a mold in the resulting heat-sensitive coagulable compound latex, and vulcanizing and drying a rubber film formed on the mold.

    摘要翻译: 本发明涉及(1)天然橡胶胶乳的脱蛋白剂,其包含蛋白酶和一种或多种水溶性聚合物作为活性成分; (2)通过使用脱蛋白剂进行脱皂化处理而制备的脱蛋白天然橡胶胶乳及其制造方法; (3)一种橡胶制品的制造方法,其特征在于,在所述胶乳(2)中至少含有硫化剂,将模具浸渍在所得的复合胶乳中,硫化,干燥形成在所述模具上的橡胶膜; (4)一种橡胶制品的制造方法,其特征在于,在胶乳(2)中至少含有热敏剂和硫化剂,将模具浸渍在所得的热敏性凝固性化合物胶乳中,硫化,干燥橡胶 胶片在模具上形成。

    RUBBER COMPOSITION FOR BREAKER AND PNEUMATIC TIRE
    8.
    发明申请
    RUBBER COMPOSITION FOR BREAKER AND PNEUMATIC TIRE 有权
    用于断路器和气动轮胎的橡胶组合物

    公开(公告)号:US20110294949A1

    公开(公告)日:2011-12-01

    申请号:US13117182

    申请日:2011-05-27

    IPC分类号: C08L7/00 C08K3/36 C08K3/04

    摘要: The present invention provides a rubber composition for a breaker, which achieves both good fuel economy and good breaking performance while simultaneously having excellent processability, and a pneumatic tire including a breaker produced using the rubber composition. The present invention relates to a rubber composition for a breaker, including: a rubber component that contains a modified natural rubber, the rubber having a phosphorus content of 200 ppm or less; and carbon black and/or a white filler, wherein the rubber composition contains 5% by mass or more of the modified natural rubber based on 100% by mass of the rubber component.

    摘要翻译: 本发明提供了一种用于断路器的橡胶组合物,其具有良好的燃料经济性和良好的断裂性能,同时具有优异的加工性能,以及包括使用该橡​​胶组合物制备的断路器的充气轮胎。 本发明涉及一种用于破碎机的橡胶组合物,包括:含有改性天然橡胶的橡胶组分,该磷含量为200ppm以下的橡胶; 和炭黑和/或白色填料,其中,基于100质量%的橡胶组分,橡胶组合物含有5质量%以上的改性天然橡胶。

    Deproteinized natural rubber and process for producing the same
    9.
    发明授权
    Deproteinized natural rubber and process for producing the same 失效
    脱蛋白天然橡胶及其制备方法

    公开(公告)号:US06335407B1

    公开(公告)日:2002-01-01

    申请号:US08799363

    申请日:1997-02-14

    IPC分类号: C08F500

    摘要: A deproteinized natural rubber substantially free from any protein and a process for producing the same which comprises treating a latex with a protease and a specific surfactant or a combination of specific surfactants and separating rubber particles are disclosed. A method for elevating the green strength of a natural rubber and a method for lowering the green strength of a natural rubber are also disclosed. Furthermore, a means for preventing allergy induced by natural rubber is also disclosed.

    摘要翻译: 公开了一种基本上不含任何蛋白质的脱蛋白天然橡胶及其制备方法,其包括用蛋白酶和特定表面活性剂或特定表面活性剂和分离橡胶颗粒的组合处理胶乳。 还公开了提高天然橡胶的生坯强度的方法和降低天然橡胶的生坯强度的方法。 此外,还公开了一种防止由天然橡胶引起的变态反应的方法。