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    • 3. 发明授权
    • Anaerobic curing adhesive composition and process for making same
    • 厌氧固化胶粘剂组合物及其制备方法
    • US4235986A
    • 1980-11-25
    • US26091
    • 1979-04-02
    • William J. Catena
    • William J. Catena
    • C09J4/02C09J4/00C08F20/20
    • C09J4/00
    • Storage-stable anaerobic curing adhesive compositions useful as anaerobic adhesives and sealants are prepared by first mixing a polymerizable acrylate ester monomer, an inhibitor for free radical polymerization, a chelator, and at least an effective amount of an accelerator system consisting of an organic cyclic sulfimide, preferably saccharin, and an aromatic tertiary amine. The resultant homogeneous mixture is thereafter heated at a temperature of about 45.degree.-100.degree. C. for a period of time sufficient to provide the composition with anaerobic curing properties and a specified minimum amount of active oxygen. In one embodiment, the mixture is stirred at a temperature of 45.degree.-70.degree. C. for 10-24 hours. In another embodiment, the mixture is maintained at an elevated temperature without stirring.
    • 可用作厌氧粘合剂和密封剂的储存稳定的厌氧固化粘合剂组合物通过首先混合可聚合的丙烯酸酯单体,用于自由基聚合的抑制剂,螯合剂和至少有效量的由有机环状酰亚胺 ,优选糖精和芳族叔胺。 然后将得到的均匀混合物在约45℃-100℃的温度下加热足以使组合物具有厌氧固化性能和规定的最小量的活性氧的时间。 在一个实施方案中,将混合物在45-70℃的温度下搅拌10-24小时。 在另一个实施方案中,将混合物保持在升高的温度下而不搅拌。