T-Alkyl peresters of t-hydroperoxides catalysts for polymerization of
unsaturated monomers
    6.
    发明授权
    T-Alkyl peresters of t-hydroperoxides catalysts for polymerization of unsaturated monomers 失效
    用于不饱和单体聚合的叔丁基过氧化氢催化剂的T型烷基酯

    公开(公告)号:US4063013A

    公开(公告)日:1977-12-13

    申请号:US791819

    申请日:1977-04-28

    CPC classification number: C08F4/34

    Abstract: Novel tertiary alkyl peresters of tertiary hydroperoxides are used as polymerization initiators wherein the peresters are characterized by the tertiary alkyl group of the acid moiety having at least two alkyl groups of two or more carbon atoms and the tertiary alkyl group of the hydroperoxide has at least five carbon atoms. Typical is the polymerization of certain vinyl monomers such as vinyl chloride.

    Abstract translation: 使用叔氢过氧化物的新型叔烷基过酸酯作为聚合引发剂,其中过酸酯的特征在于酸部分的叔烷基具有至少两个具有两个或更多个碳原子的烷基,并且氢过氧化物的叔烷基具有至少五个 碳原子。 典型的是某些乙烯基单体如氯乙烯的聚合。

    Alpha halo substituted peroxyesters and their use as polymerization
initiators
    8.
    发明授权
    Alpha halo substituted peroxyesters and their use as polymerization initiators 失效
    α卤代取代的过氧酯和它们作为聚合引发剂的用途

    公开(公告)号:US4051167A

    公开(公告)日:1977-09-27

    申请号:US642432

    申请日:1975-12-19

    Applicant: Roger N. Lewis

    Inventor: Roger N. Lewis

    CPC classification number: C08F4/34 C07C409/38 C08F299/045

    Abstract: Aliphatic peroxyester polymerization initiators whose thermal stability is controlled by a bromine or chlorine substituent on the carbon atom in the alpha position relative to the carbonyl group in the acid moity of the perester. The initiators show increased efficiency for the polymerization of methyl methacrylate, styrene, ethylene, and in curing unsaturated polyester resins. Typical is 1,1,3,3-tetramethyl butyl peroxy 2-chlorolaurate.

    Abstract translation: 脂肪族过氧酯聚合引发剂,其热稳定性通过在过酸酯的酸性中相对于羰基的α位置上的碳原子上的溴或氯取代基来控制。 引发剂显示提高甲基丙烯酸甲酯,苯乙烯,乙烯和固化不饱和聚酯树脂的聚合效率。 典型的是1,1,3,3-四甲基丁基过氧化2-氯代牛油酸酯。

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