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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis of methyl methacrylate-n-butylacrylate copolymers: Study of the paint properties
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Synthesis of methyl methacrylate-n-butylacrylate copolymers: Study of the paint properties

机译：甲基丙烯酸甲酯-丙烯酸正丁酯共聚物的合成：涂料性能的研究

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A series of acrylic copolymer solutions were prepared by copolymerizing methyl methacrylate (MMA) with n-butylacrylate monomers in toluene to high conversion using dibenzoyl peroxide (0.5 wt %) as initiator. The various reaction parameters, such as MMA concentration and mode of addition of reactants to the reaction vessel, were changed to obtain an acceptable quality of the resins for the paint. The properties of the resins and the effect of MMA concentration on these properties (such as viscosity, drying time, hardness, and adhesion) were measured according to ASTM standard tests. A linear relation between final percentages of conversion and MMA concentration was observed. Drying time, hardness, and glass transition temperature of the samples were increased with MMA concentration: adhesion of the samples remained constant up to 50 wt % of MMA and then decreased significantly with a further increase in MMA concentration. These results led to the selection of resins with the properties that fulfill the requirement of a good quality traffic paint. (C) 1998 John Wiley & Sons, Inc. [References: 17]
机译：使用过氧化二苯甲酰（0.5 wt％）作为引发剂，通过将甲基丙烯酸甲酯（MMA）与丙烯酸正丁酯单体在甲苯中共聚至高转化率，制备了一系列丙烯酸共聚物溶液。改变各种反应参数，例如MMA浓度和向反应容器中添加反应物的方式，以获得用于涂料的树脂的可接受质量。根据ASTM标准测试，测量了树脂的性能以及MMA浓度对这些性能的影响（例如粘度，干燥时间，硬度和附着力）。观察到最终转化百分率与MMA浓度之间存在线性关系。样品的干燥时间，硬度和玻璃化转变温度随MMA浓度的增加而增加：样品的附着力在MMA的50％（重量）以下保持恒定，然后随着MMA浓度的进一步增加而显着下降。这些结果导致选择了具有满足高质量交通涂料要求的性能的树脂。 （C）1998 John Wiley＆Sons，Inc. [参考：17]

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