KETONE PEROXIDE DERIVATIVES, THEIR PREPARATION AND USE
    37.
    发明申请
    KETONE PEROXIDE DERIVATIVES, THEIR PREPARATION AND USE 审中-公开
    酮过氧化物衍生物,其制备和使用

    公开(公告)号:WO99032442A1

    公开(公告)日:1999-07-01

    申请号:PCT/EP1998/008129

    申请日:1998-12-10

    CPC classification number: C07C409/38

    Abstract: The invention relates to peroxides derivable from formula (II). The invention further relates to the process to make these peroxides as well as to their use in polymerization, curing, and modification reactions.

    Abstract translation: 本发明涉及可从式(II)得到的过氧化物。 本发明还涉及制备这些过氧化物以及它们在聚合,固化和改性反应中的用途的方法。

    ORGANIC PEROXIDE EMULSIONS
    38.
    发明申请
    ORGANIC PEROXIDE EMULSIONS 审中-公开
    有机过氧化物乳液

    公开(公告)号:WO99031194A1

    公开(公告)日:1999-06-24

    申请号:PCT/IB1998/002130

    申请日:1998-12-10

    CPC classification number: C09K3/00

    Abstract: The invention relates to emulsions of organic peroxides comprising organic peroxide, water, antifreeze, optionally nonionic surface-active agent, and optionally protective colloid which have a low viscosity and excellent stability over time, as well as to the use of such emulsions in the polymerization of ethylenically unsaturated monomers, particularly vinyl chloride.

    Abstract translation: 本发明涉及有机过氧化物的乳液,其包括有机过氧化物,水,防冻剂,任选的非离子表面活性剂和任选的保护胶体,其具有低粘度和优异的时间稳定性,以及在聚合中使用这种乳液 的烯属不饱和单体,特别是氯乙烯。

    ORGANIC DIALKYL PEROXYDICARBONATE SOLUTION, METHOD FOR OBTAINING SAME AND PREPARATION OF HALOGENATED POLYMERS USING SAME
    39.
    发明申请
    ORGANIC DIALKYL PEROXYDICARBONATE SOLUTION, METHOD FOR OBTAINING SAME AND PREPARATION OF HALOGENATED POLYMERS USING SAME 审中-公开
    有机二甲基过氧化二碳酸酯溶液,其获得方法和使用相同的氢化聚合物的制备

    公开(公告)号:WO99005102A1

    公开(公告)日:1999-02-04

    申请号:PCT/EP1998/004964

    申请日:1998-07-16

    CPC classification number: C07C407/00 C07C407/003 C07C409/32

    Abstract: The invention concerns a method for preparing in two steps an organic dialkyl peroxydicarbonate solution with long alkyl chains particularly adapted for the polymerising in aqueous suspension halogenated monomers, which consists in using an inorganic salt in the step for preparing the dialkyl peroxydicarbonate (first step) and separating the latter by extraction using an water-insoluble solvent (second step). The dialkyl peroxydicarbonates with long alkyl chains, preferably of diethylhexyl, are used in the polymerisation in aqueous suspension of halogenated monomers in the form of a solution in a water-insoluble liquid dialkyl alkanecarboxylate. The preferred solvents are water-insoluble liquid dialkyl alkanecarboxylates derived from C4-C10 alkanedicarboxylic acids and C2-C12 alkanols. The concentration in peroxydicarbonate of said solutions ranges between 15 and about 50 wt. % Said method produces polymers with improved purity.

    Abstract translation: 本发明涉及一种在两个步骤中制备具有长烷基链的有机二烷基过氧化二碳酸酯溶液的方法,其特别适用于在水性悬浮液卤化单体中聚合,其包括在制备二烷基过氧化二碳酸酯的步骤中使用无机盐(第一步)和 通过使用水不溶性溶剂萃取分离后者(第二步)。 具有长烷基链,优选二乙基己基的二烷基过氧化二碳酸酯用于在水不溶性二烷基链烷酸烷基酯中的溶液形式的卤化单体的水性悬浮液的聚合中。 优选的溶剂是衍生自C 4 -C 10烷基二羧酸和C 2 -C 12链烷醇的水不溶性液体二烷基烷羧酸盐。 所述溶液中过氧化二碳酸酯的浓度范围为15至约50wt。 %Said方法产生纯度提高的聚合物。

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