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    • 82. 发明授权
    • Liquid injection molding silicone elastomers having primerless adhesion
    • 液体注塑硅酮弹性体具有无底漆粘合力
    • US6040366A
    • 2000-03-21
    • US32461
    • 1998-02-27
    • Frank S. Burkus, IIEdward M. JeramSlawomir Rubinsztajn
    • Frank S. Burkus, IIEdward M. JeramSlawomir Rubinsztajn
    • C08K5/11C08K5/19C08K5/34C08K5/5419C08L83/04C08L83/05C08L83/07
    • C08K5/5419C08K5/19C08L83/04C08G77/045C08G77/12C08G77/16C08G77/20
    • The compression set of elastomeric silicone compositions, addition cured injection moldable compositions, is reduced by the incorporation of nitrogen compounds wherein the nitrogen possesses at least one organic substituent and the nitrogen is tetravalent wherein the nitrogen is cationic. The adhesion of such compositions to thermoset or thermoplastic polymer substrates is improved by the addition of bis(trimethoxysilylpropyl)fumarate and a disilanol that may or may not contain alkenyl groups. The lubricity of such compositions is improved by the addition of compounds selected from the group consisting of diorganosiloxanes such as polydimethylsiloxanes, phenyl containing siloxanes such as copolymers of diphenylsiloxane with diorganosiloxanes and copolymers of methylphenylsiloxane with diorganosiloxanes, fluorosilicones such as silicones containing trifluoropropyl substituted siloxanes, polydimethylsiloxanes, aliphatic and aromatic hydrocarbons that are liquid between 0.degree. C. and 100.degree. C. without adversely affecting the adhesion of the composition.
    • 弹性体硅氧烷组合物的加压固化可注射成型组合物通过引入氮化合物而被还原,其中氮具有至少一个有机取代基,氮是四价的,其中氮是阳离子的。 通过加入富马酸双(三甲氧基甲硅烷基丙基)酯和可以含有烯基的二硅烷醇,可以改善这些组合物对热固性或热塑性聚合物基材的粘合性。 通过添加选自二有机硅氧烷如聚二甲基硅氧烷,含苯基硅氧烷的苯基,例如二苯基硅氧烷与二有机硅氧烷的共聚物和甲基苯基硅氧烷与二有机硅氧烷的共聚物,氟硅氧烷如含有三氟丙基取代的硅氧烷的硅氧烷,聚二甲基硅氧烷, ,在0℃至100℃之间为液体的脂族和芳族烃,而不会对组合物的粘附性产生不利影响。