1515868 Hydroxyalkyl(meth)acrylate/alkyl- (meth)acrylate copolymers BAYER AG 30 Oct 1975 [20 Dec 1974] 44915/75 Heading C3P An acrylic resin comprising statistically distributed units of (A) 8-45% of one or more C2-4 hydroxyalkyl(meth)acrylates, (B) 0-72% of styrene, alpha-methylstyrene o or p chlorostyrene, o, m or p-methyl styrene, p-tert butyl styrene and/or methylmethacrylate, (C) 8-81% of a C1-12 alkyl acrylate and/or a C2-12 alkyl methacrylate, (D) 0-45% of a C3-5 alpha,#, unsaturated mono- or di-carboxylic acid, a C2-14 alkyl maleate semiester and/or a reaction product thereof with a monoglycidyl compound and (E) 4-32% of fragments from specific classes of free radical initiators, is prepared by the polymerization of the appropriate monomers in the following proportions; (A) 10-50%, (B) 0- 80%, (C) 10-90%, (D) 0-50%, the polymerization being effected in bulk or solution to 80-98 mol per cent conversion under steady state concentration conditions, with only a Œ2‹ C. fluctuation in the polymerization temperature range of 80-120‹ C. being permitted and with 6-50% (based on monomers A-D) of free radical initiator of t¢ 0À5-100 mins. at 80-100‹ C.
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机译：1515868（甲基）丙烯酸羟烷基酯/（甲基）丙烯酸烷基酯共聚物BAYER AG 1975年10月30日[1974年12月20日] 44915/75标题C3P一种丙烯酸酯树脂，其统计分布为（A）8-45％一种或多种C2- 4（甲基）丙烯酸羟烷基酯，（B）苯乙烯的0-72％，α-甲基苯乙烯邻或对氯苯乙烯，邻，间或对甲基苯乙烯，对叔丁基苯乙烯和/或甲基丙烯酸甲酯，（C）8-81 （D）C3-5α，＃，不饱和一元或二元羧酸，C2-14烷基马来酸酯半酯的（D）0-45％的C1-12烷基丙烯酸酯和/或C2-12甲基丙烯酸烷基酯和/或其与单缩水甘油基化合物的反应产物和（E）特定类别的自由基引发剂的4-32％的片段，是通过以下比例的适当单体的聚合制备的; （A）10-50％，（B）0- 80％，（C）10-90％，（D）0-50％，聚合在本体或溶液中进行至稳定地转化为80-98 mol％浓度条件下，在80-120℃的聚合温度范围内仅允许Œ2‹C的波动，并且自由基引发剂的6-50％（基于单体AD）为t¢0‑5-100分钟。在80-100℃下。
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