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    • 64. 发明专利
    • Ortho-nitrosophenols as polymerization inhibitors
    • 作为聚合抑制剂的OROO-NITROSOPHENOL
    • JP2013014784A
    • 2013-01-24
    • JP2012232682
    • 2012-10-22
    • Chemtura Corpケムチュア コーポレイション
    • MA QINGGAOWORTMAN WILLIAM AWANG JAYSTOTT PAUL E
    • C08F2/40
    • C07B63/04C07C7/20C07C17/42C07C51/50C07C67/62C07C253/32C08F2/40C08F2/42C07C15/46C07C21/21C07C57/04C07C69/54C07C255/08
    • PROBLEM TO BE SOLVED: To provide at least one compound that prevents or retards the polymerization of an ethylene based unsaturated monomer, and has both features of a true inhibitor and retarder by a single use or the combination with at least one further inhibitor under the existence or the absence of air or oxygen, and to provide the use of the same.SOLUTION: Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to the monomers an effective amount of at least one nitroso inhibitor of the structure: Formula, [wherein R, R, R, and Rare independently selected from the group consisting of hydrogen, nitro, nitroso, halogen, COOR (wherein R is hydrogen or alkyl), alkyl, and heteroatom-substituted alkyl; or adjacent groups R, R, R, and Rcan be taken together to form a substituted or unsubstituted fused six-membered ring]. Also disclosed is a composition of matter comprising: (A) an ethylenically unsaturated monomer and (B) at least one nitroso compound of the above-described structure.
    • 要解决的问题:提供至少一种防止或延迟乙烯类不饱和单体的聚合的化合物,并且通过单次使用具有真实抑制剂和缓凝剂的特征,或与至少一种其它抑制剂的组合 在存在或不存在空气或氧气的情况下,并提供使用。 解决方案:本文公开了抑制烯属不饱和单体的过早聚合的方法,包括向单体中加入有效量的至少一种以下结构的亚硝基抑制剂:式[其中R 1 ,R 2 ,R 3 和R 4 1 ,R 2 ,R 3 ,R 可以一起形成取代或未取代的稠合六元环]。 还公开了一种物质组合物,其包含:(A)烯属不饱和单体和(B)至少一种上述结构的亚硝基化合物。 版权所有(C)2013,JPO&INPIT