| 涂料用纯丙乳液的性能研究 |
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| 引用本文： | 李晓洁,赵如松,慕朝.涂料用纯丙乳液的性能研究[J].精细石油化工,2006,23(1):33-36. |
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| 作者姓名： | 李晓洁 赵如松 慕朝 |
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| 作者单位： | 1. 北京化工大学,北京,100029
2. 北京石油化工学院,北京,102617 |
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| 摘 要： | 以甲基丙烯酸甲酯(MMA)、丙烯酸丁酯(BA)和甲基丙烯酸(MA)为主要原料,利用半连续乳液聚合工艺,制备了一种涂料用纯丙乳液基料;考察了乳化剂、引发剂用量及pH值对产物性能的影响。结果表明,当w(乳化剂)=3%,w(引发剂)=0.35%,pH在8~9左右时,涂膜的吸水率达到7.9%,残余单体量<0.5%,水稀释稳定性,钙离子稳定性,冻融稳定性均通过测试,纯丙乳液具有较好的综合性能。
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| 关 键 词： | 纯丙乳液 乳液聚合 丙烯酸丁酯 甲基丙烯酸甲酯 甲基丙烯酸 |
| 收稿时间： | 2005-06-03 |
| 修稿时间： | 2005-10-26 |
PROPERTIES OF PURE ACRYLIC EMULSION FOR COATING |
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| Li Xiaojie,Zhao Rusong,Mu Zhao.PROPERTIES OF PURE ACRYLIC EMULSION FOR COATING[J].Speciality Petrochemicals,2006,23(1):33-36. |
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| Authors: | Li Xiaojie Zhao Rusong Mu Zhao |
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| Affiliation: | 1. Beijing University of Chemical Technology , Beijing 100029, China;2. Beijing Institute of Petrochemical Technology, Beijing 102617, China |
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| Abstract: | The synthesis of pure acrylic emulsion for coating was studied by semi-continuous emulsion polymerization,with the monomers of methylmethaclylate(MMA),butyl acrylate(BA) and acrylic acid(AA).The influences of the quantity of initiator and emulsifier and pH value on the properties of the product were investigated.The results showed that when emulsifier was 3%,initiator was(0.35%,) pH value was around 89,water absorbability reached 7.9% with residual of monomers less than 0.5% and the stabilities of water dilution,Ca~(2 ) and freeze-and-thaw all reaching the required leved.The pure acrylic emulsion had good comprehensive properties. |
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| Keywords: | pure acrylic emulsion emulsion polymerization butyl acrylate methyl methacrylate methacrylic acid |
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