| 有机硅改性聚醋酸乙烯乳液的制备 |
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| 引用本文： | 戴洪义,高世萍,于长顺,周景辉.有机硅改性聚醋酸乙烯乳液的制备[J].上海化工,2005,30(5):14-16. |
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| 作者姓名： | 戴洪义 高世萍 于长顺 周景辉 |
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| 作者单位： | 大连轻工业学院化工与材料学院,辽宁,大连,116034;大连轻工业学院化工与材料学院,辽宁,大连,116034;大连轻工业学院化工与材料学院,辽宁,大连,116034;大连轻工业学院化工与材料学院,辽宁,大连,116034 |
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| 摘 要： | 利用核/壳乳液聚合的方法，以乙烯基硅氧烷的预聚物为改性剂，以聚乙烯醇为保护腔，对聚醋酸乙烯进行改性．制备出粘结强度高、耐水性能十分优异的改性乳液。实验还考察了反应温度、乳化剂、引发剂、改性单体用量对乳液性能的影响，指出了改性反应的关键控制步骤及反应条件。
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| 关 键 词： | 乙烯基硅氧烷 核/壳聚合 醋酸乙烯酯 改性 |
Preparation of Polyvinyl Acetate Emulsion Modified by Organic Silicone |
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| Dai Hongyi,Gao Shiping,Yu Changshun,Zhou Jinghui.Preparation of Polyvinyl Acetate Emulsion Modified by Organic Silicone[J].Shanghai Chemical Industry,2005,30(5):14-16. |
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| Authors: | Dai Hongyi Gao Shiping Yu Changshun Zhou Jinghui |
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| Affiliation: | Dai Hongyi Gao Shiping Yu Changshun Zhou Jinghui |
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| Abstract: | Polyvinyl acetate emulsion modified by prepolymer of ethenysiloxane is prepared by core/shell polymerization technology, using polyvinyl alcohol as protective colloid. The results show that the modified polyvinyl acetate has excellent water resistance and adhesion strength. The influences of the modifier, the initiator, the emulsification and the reaction temperature of polymerization of vinyl acetate on the emulsion have discussed. The key step and reacting conditions of the polymerization have been showed. |
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| Keywords: | Ethenysiloxane Core/shell polymerization Vinyl acetate |
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