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66 条记录 (耗时 0.018 秒)

    Emulsion polymerization process
    62.
    发明授权
    Emulsion polymerization process 失效
    乳液聚合工艺

    公开(公告)号：US4868259A

    公开(公告)日：1989-09-19

    申请号：US104914

    申请日：1987-10-06

    申请人： Gary L. Burroway ,  Robert D. Mate

    发明人： Gary L. Burroway ,  Robert D. Mate

    IPC分类号： C08F2/22 ,  C08F257/02 ,  C08F267/04 ,  G03G9/087

    CPC分类号： G03G9/08708 ,  C08F257/02 ,  C08F267/04 ,  G03G9/08702 ,  G03G9/08711 ,  G03G9/08788

    摘要： The present invention relates to a process for preparing a polymeric resin which contains repeat units which are derived from maleic anhydride in an emulsion polymerization process which comprises polymerizing a vinyl aromatic monomer and an alkyl acrylate monomer in an aqueous medium in the presence of a styrene-maleic anhydride seed polymer which is neutralized with a tertiary amine. Such polymers, which contain repeat units which are derived from a vinyl aromatic monomer, an alkyl acrylate monomer, and maleic anhydride, are particularly useful as electrostatic image developing toner resins. For instance, resins, which are comprised of repeat units which are derived from styrene, butyl acrylate, and maleic anhydride, are particularly useful as toner resins.

    摘要翻译： 本发明涉及一种制备聚合物树脂的方法，该聚合物树脂包含在乳液聚合方法中衍生自马来酸酐的重复单元，该方法包括在乙烯基芳族单体和丙烯酸烷基酯单体的存在下，在苯乙烯 - 用叔胺中和的马来酸酐种子聚合物。 含有衍生自乙烯基芳族单体，丙烯酸烷基酯单体和马来酸酐的重复单元的这种聚合物特别可用作静电显影调色剂树脂。 例如，由衍生自苯乙烯，丙烯酸丁酯和马来酸酐的重复单元构成的树脂特别可用作调色剂树脂。

    Homogeneous thermosettable composition of a polyanhydride and a polyepoxide
    63.
    发明授权
    Homogeneous thermosettable composition of a polyanhydride and a polyepoxide 失效
    聚异氰酸酯和聚氧化乙烯的均相热稳定性组合物

    公开(公告)号：US3852236A

    公开(公告)日：1974-12-03

    申请号：US27896772

    申请日：1972-08-09

    申请人： GULF RESEARCH DEVELOPMENT CO

    发明人： HEILMAN W

    IPC分类号： C08F8/00 ,  C08F267/04 ,  C08F37/18 ,  C08F37/00

    CPC分类号： C08F267/04 ,  C08F8/00 ,  C08F20/02

    摘要： A new composition comprising a homogeneous mixture of polyanhydride, for example, the copolymer of maleic anhydride and an alpha-olefin, and a polyepoxide formed by free radical copolymerization of an olefinically unsaturated monooxirane compound such as glycidyl methacrylate and an olefin such as styrene. This composition is capable of being molded, particularly when in combination with a substrate such as fiber glass, and further cured through anhydride and epoxide groups to a solid, infusible resin.

    摘要翻译： 包含聚酐，例如马来酸酐和α-烯烃的共聚物的均匀混合物的新组合物和通过烯属不饱和单环氧烷化合物如甲基丙烯酸缩水甘油酯和烯烃如苯乙烯的自由基共聚形成的聚环氧化物。 该组合物能够被模塑，特别是当与诸如玻璃纤维的基底组合时，并且进一步通过酸酐和环氧基团固化成固体，不熔的树脂。

    Interpolymeric anti-clumping additives
    65.
    发明授权
    Interpolymeric anti-clumping additives 失效
    内分泌抗菌添加剂

    公开(公告)号：US3553183A

    公开(公告)日：1971-01-05

    申请号：US3553183D

    申请日：1969-03-27

    申请人： GAF CORP

    发明人： FIELD NATHAN D ,  LORENZ DONALD H

    IPC分类号： C08F2/18 ,  C08F261/06 ,  C08F267/04 ,  C08F1/11 ,  C08F15/02

    CPC分类号： C08F267/04 ,  C08F261/06 ,  Y10S524/904 ,  C08F222/06

    摘要： PROCESS FOR INTERPOLYMERIZATION OF MALEIC ANHYDRIDE WITH ALKYL VINYL ETHERS IN THE PRESENCE OF AN ANTI-CLUMPING AGENT COMPRISING COPOLYMERS OF MALEIC ANHYDRIDE WITH HIGHER ALKYL VINYL ETHERS IN HIGH SOLIDS CONTENT WHEREBY THE INTERPOLYMER IS RECOVERED AS A FREE-FLOWING POWDER AFTER EVAPORATION OF THE SOLVENT AND IN WHICH THE ANTICLUMPING AGENT IS COMPATIBLE WITH THE LOWER ALKYL VINYL ETHER MALEIC ANHYDRIDE COPOLYMER AT SUBSTANTIALLY PH7 AND ABOVE EVEN AT THE BOILING POINT OF THE SOLUTION.