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    • 8. 发明授权
    • Deproteinizing agent, deproteinized natural rubber latex using the same, and method of producing rubber product
    • 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
    • US07015264B2
    • 2006-03-21
    • US10615839
    • 2003-07-10
    • Naoya IchikawaYoshiaki MiyamotoAkihiko Hamada
    • Naoya IchikawaYoshiaki MiyamotoAkihiko Hamada
    • C08C1/04C12N9/96
    • C08J5/02C08C1/04C08J2307/00C12N9/54C12N9/96
    • 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.
    • 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。
    • 9. 发明授权
    • Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex
    • 脱蛋白天然橡胶胶乳,其制备方法,使用其的橡胶制品和脱蛋白天然橡胶胶乳的蛋白水解剂
    • US06943212B2
    • 2005-09-13
    • US10082243
    • 2002-02-26
    • Naoya IchikawaYoshiaki Miyamoto
    • Naoya IchikawaYoshiaki Miyamoto
    • C08C1/04C08K3/04
    • C08C1/04
    • The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca2+) is 0.01 mol/L or less and coagulation of the rubber component occurs when the concentration of Ca2+ is 0.1 mol/L or more; a method of preparing the deproteinized natural rubber latex, which comprises adding a protease and two or more surfactants having different coagulation properties to calcium ions (Ca2+) to a natural rubber latex and maturing the natural rubber latex; a rubber product using the deproteinized natural rubber latex; and a proteolytic agent comprising a protease and two or more surfactants. The deproteinized natural rubber latex is a latex wherein rubber molecules are dispersed and stabilized by a surfactant, and also have good film forming properties by means of the anode coagulation method and is less likely to cause uneven thickness of the film and liquid dripping even when a mold is dipped repeatedly in a latex on formation of a rubber film.
    • 本发明提供一种脱蛋白天然橡胶胶乳,其中当钙离子浓度(Ca 2+)为0.01mol / L以下时,橡胶成分的凝固不发生,并且发生橡胶组分的凝结 当Ca 2+浓度为0.1mol / L以上时, 一种制备脱蛋白天然橡胶胶乳的方法,其包括将蛋白酶和两种或更多种具有不同凝固性质的表面活性剂与钙离子(Ca 2+ 2 +)加入到天然橡胶胶乳中并熟化天然橡胶胶乳 ; 使用脱蛋白天然橡胶胶乳的橡胶制品; 和包含蛋白酶和两种或更多种表面活性剂的蛋白水解剂。 脱蛋白天然橡胶胶乳是其中橡胶分子通过表面活性剂分散和稳定的胶乳,并且还通过阳极凝固方法具有良好的成膜性能,并且即使当 在形成橡胶膜时,将模具重复地浸渍在胶乳中。