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    • 10. 发明申请
    • Stabilized (meth)acryloyloxyalkyl isocyanate a process for stabilization thereof and a process for preparation of the same
    • 稳定的(甲基)丙烯酰氧基烷基异氰酸酯,其稳定化方法及其制备方法
    • US20060229464A1
    • 2006-10-12
    • US10566184
    • 2004-07-27
    • Katsutoshi MorinakaToshiaki IshikawaKazuyoshi Hoshi
    • Katsutoshi MorinakaToshiaki IshikawaKazuyoshi Hoshi
    • C07C265/16
    • C07C263/18C07C265/16
    • The present invention provides a stabilized (meth)acryloyloxyalkyl isocyanate, a process for stabilization thereof and a process for preparation of the same. More particularly, it provides a (meth)acryloyloxyalkyl isocyanate having a small hydrolyzable chlorine content and good storage stability, a process for stabilizing a (meth)acryloyloxyalkyl isocyanate prepared using phosgene which process comprises decreasing the amount of a hydrolyzable chlorine with purification and a process for preparation of a stabilized (meth)acryloyloxyalkyl isocyanate. An acidic gas such as carbon dioxide or the like was forcedly dissolved in (meth)acryloyloxyalkyl isocyanate, particularly (meth)acryloyloxyalkyl isocyanate which content of hydrolyzable chlorine is decreased with purification and thereby the storage stability of the (meth)acryloyloxyalkyl isocyanate is improved.
    • 本发明提供稳定的(甲基)丙烯酰氧基烷基异氰酸酯,其稳定化方法及其制备方法。 更具体地说,它提供了具有小的可水解氯含量和良好的储存稳定性的(甲基)丙烯酰氧基烷基异氰酸酯,稳定使用光气制备的(甲基)丙烯酰氧基烷基异氰酸酯的方法,该方法包括通过纯化降低可水解氯的量和方法 用于制备稳定的(甲基)丙烯酰氧基烷基异氰酸酯。 特别是(甲基)丙烯酰氧基烷基异氰酸酯,特别是可水解氯的含量降低的(甲基)丙烯酰氧基烷基异氰酸酯的酸性气体等二氧化碳等,从而提高了(甲基)丙烯酰氧基烷基异氰酸酯的保存稳定性。