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    • 3. 发明公开
    • VULCANIZATION ACCELERATOR- AND SULFUR-FREE ELASTOMER RUBBER GLOVE FOR CLEAN ROOMS
    • VULKANISIERUNGSBESCHLEUNIGER UND SCHWEFELFREIER ELASTOMER-GUMMIHANDSCHUHFÜRREINRÄUME
    • EP2622976A4
    • 2016-09-28
    • EP11829442
    • 2011-09-30
    • KOSSAN SDN BHDMIDORI ANZEN CO LTD
    • KHOO SIONG HUILIM LAWRENCE SIAU TIANLEE SEEK PINGONG ENG LONGENOMOTO NORIHIDE
    • A41D19/00A41D19/04B29D99/00C08F2/44C08F236/06C08F236/14C08K3/22C08L9/02C08L13/00C08L33/20
    • A41D19/0055A41D19/0062B29D99/0067C08F236/14C08K3/22C08L9/02C08L13/00
    • A gloves formed from elastomer comprising 25-30 weight% of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight%), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent possessed by said unsaturated carboxylic acid is crosslinked by bivalent metal, said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, Mooney viscosity (ML (1+4) (100°C)) of said elastomer crosslinked by a bond of at least one part of substituent possessing said unsaturated carboxyl group is 100-220, and thin film gloves prepared from said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, and thickness of the gloves is 0.05-0.15mm, glove swelling ratio at formation of the gloves is 240-320, tensile stress of the gloves is 22-35 MPa, elongation to break of the gloves is 480-620% and tensile stress at 500% elongation of the gloves is 15-35 MPa, further, surface of the glove which contacts with a hand of a user is in a state of loosing tackiness, surface of the glove which contacts with an object at working is smooth, metal or metallic salt contained in the glove as impurities are eluted and amount of content of metal, metallic salt and anion contained in the glove is decreased.
    • 由弹性体形成的手套包含25-30重量%的丙烯腈,62-71重量%的丁二烯和4-8重量%的不饱和羧酸(总计100重量%),其中交联通过粘结通过至少一部分形成 的所述不饱和羧酸所具有的取代基,所述不饱和羧酸所具有的至少一部分取代基的残基取代基被二价金属交联,所述弹性体不含硫作为交联剂,硫组成为 硫化促进剂,由具有所述不饱和羧基的至少一部分取代基的键交联的所述弹性体的门尼粘度(ML(1 + 4)(100℃))为100-220,由所述弹性体制备的薄膜手套 不含作为硫化促进剂的交联剂和硫成分的硫,手套的厚度为0.05〜0.15mm,手套形成时的手套膨胀率 为240-320,手套的拉伸应力为22-35MPa,手套伸长率为480-620%,手套伸长500%时的拉伸应力为15-35MPa,手套表面为 与使用者的手的接触处于松散的粘性状态,杂质被洗脱时手套中包含的光滑的金属或金属盐与手套的接触表面,金属,金属盐的含量 并且手套中所含的阴离子减少。
    • 5. 发明公开
    • ELASTOMERIC RUBBER AND RUBBER PRODUCTS WITHOUT THE USE OF VULCANIZING ACCELERATORS AND SULFUR
    • 合成橡胶及橡胶制品,而无需使用硫化促进剂和硫
    • EP2507313A4
    • 2016-03-02
    • EP09851897
    • 2009-12-01
    • KOSSAN SDN BHD
    • KHOO SIONG HUILIM LAWRENCE SIAU TIANLEE SEEK PINGONG ENG LONG
    • C08L13/02A41D19/00B29C41/14C08J5/02C08K3/22C08L9/04
    • C08J5/02C08J2309/04C08J2313/02C08K3/22C08L9/04
    • A composition for producing an elastomeric thin film comprising a carboxylated acrylonitrile polybutadiene latex which is vulcanized without the use of conventional sulphur and accelerators thereby reducing the possibility of contacting immediate Type I hypersensitivity and delay Type IV hypersensitivity caused by the presence of natural rubber latex proteins and accelerators respectively. The dipping process for making gloves by using a latex composition provided by: premixing carboxylated acrylonitrile polybutadiene latex with methacrylic acid, or alternatively using a self-crosslinked latex, adding zinc oxide, adjusted to 9 to 10 of the pH level, and diluted with water to obtain 18% to 30% by weight of total solid content; dipping the glove former into the composition to form a layer of thin film of the latex composition on the former; drying the thin latex film on the former and crosslinking the latex film on the former.
    • 一种用于在弹性体薄膜生产包括羧化的丙烯腈聚丁二烯胶乳组合物,所有这些是在不使用传统的硫的硫化剂和促进剂,从而减少接触立即I型超敏性和延迟延迟性过敏反应由天然橡胶胶乳蛋白的存在而引起的可能性和 分别加速器。 用于通过使用所提供的一种胶乳组合物使得手套浸渍过程:预混合羧化的丙烯腈聚丁二烯胶乳与甲基丙烯酸,或可替代地使用自交联的胶乳,加入氧化锌,调节至9的pH值水平的10,并用水稀释 以获得18%至30%重量的总固体含量的; 浸渍手套模型入组合物,从而在前者的胶乳组合物的薄膜层; 干燥该胶乳薄膜对前和交联的成膜剂的胶乳。