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1. 发明申请

US20070213237A1 USE OF GRAFT POLYMERS 有权
标题翻译：聚合物的使用
公开(公告)号：US20070213237A1
公开(公告)日：2007-09-13
申请号：US11572181
申请日：2005-06-23
申请人： Markus Scherer , Klaus Hedrich , Alexander Dardin , Michael Muller , Thorsten Stoehr , Boris Eisenberg
发明人： Markus Scherer , Klaus Hedrich , Alexander Dardin , Michael Muller , Thorsten Stoehr , Boris Eisenberg
IPC分类号： C10M145/14
CPC分类号： C10M149/10 , C08L51/06 , C10M149/02 , C10M161/00 , C10M2209/084 , C10M2217/02 , C10M2217/028 , C10N2220/021 , C10N2220/022 , C10N2230/02 , C10N2230/04 , C10N2230/06 , C10N2230/43 , C10N2240/04 , C10N2240/08 , C10N2240/10
摘要： The invention relates to the use of graft polymers obtained by polymerization in two stages. In a first stage, at least one graft basis is produced by radically polymerizing a monomer composition A) containing 0 to 40 percent by weight of one or several ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical comprising 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of formula —COOR′, wherein R′ represents hydrogen or an alkyl group comprising 1 to 5 carbon atoms, 60 to 100 percent by weight of one or several ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical comprising 6 to 40 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula —COOR′, wherein R′ represents hydrogen or an alkyl group comprising 6 to 40 carbon atoms, and 0 to 40 percent by weight of comonomers, the percentages being relative to the weight of monomer composition A). In a second stage, a monomer composition B) containing 20 to 100 percent by weight of at least one monomer that comprises at least one nitrogen-containing group is grafted onto the graft basis in order to reduce wear in lubricant oil compositions. Said graft polymer comprises a maximum of 200 ppm of sulfur while the weight ratio between monomer composition A) and monomer composition B) ranges between 99.7:0.3 and 80:20.
摘要翻译：本发明涉及通过两步聚合获得的接枝聚合物的用途。在第一阶段中，通过自由基聚合含有0至40重量％的一种或几种式（I）的烯键式不饱和酯化合物，其中R表示氢或甲基， SUP> 1表示包含1至5个碳原子的直链或支链烷基，R 2和R 3独立地表示氢或式-COOR基团 '，其中R'表示氢或包含1至5个碳原子的烷基，60至100重量％的一种或几种式（II）的烯属不饱和酯化合物，其中R表示氢或甲基，R 4 代表含有6至40个碳原子的直链或支链烷基，R 5和R 6独立代表氢或式-COOR'基团，其中 R'表示氢或含有6〜40个碳原子的烷基，0〜40重量％的共聚单体，百分比年龄相对于单体组合物A）的重量。在第二阶段中，将包含20至100重量％的至少一种包含至少一个含氮基团的单体的单体组合物B）接枝到接枝基上以减少润滑油组合物中的磨损。所述接枝聚合物包含最多200ppm的硫，而单体组合物A）和单体组合物B）之间的重量比在99.7:0.3和80:20之间。

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