采用分步控温结合种子聚合乳液法制备了固含量较高(45%)、稳定性较好(常温储存期在8个月以上)的MMA／BA／AA／HEMA的无皂乳液。 通过对乳液粒径、拉伸力学性能和粘结性能及其影响因素的研究,揭示了聚合物结构与性能 之间的内在联系：引发剂浓度、软硬单体配比、功能基单体极性以及外加助剂是影响力学性 能和粘结性能的主要因素。
Seed copolymerization coordinated with step temperature control has been successfully applied to achieve stable soap-free acrylate emulsion containing acrylic acid(AA) and β-hydroxyethyl methacry late(HEMA) at high solids content(45%). There is high stability in reactivity and in storage process for this emulsion. The copolymer was characterized by TEM, stress-strain test and peel test. Experimental results show that the initiator, hard／soft monomer ratio and chemical additives as well as the monomer polarity are the major factors on latex size, mechanical property and peel strength of the soap- free copolymers. The peel strength of the copolymer has a minimum value, changing with hard／soft ratio.
参考文献
| [1] | GUO Tianying,SONG Moudao,ZHOU Qingye,HAO Guangjie,ZHANG Banghua.EFFECTS OF ω-ACRYLOYL POLY(ETHYLENE OXIDE) MACROMONOMER ON EMULSIFIER-FREE EMULSION COPOLYMERIZATION OF METHYL METHACRYLATE AND n-BUTYL ACRYLATE[J].高分子科学（英文版）,1998(04):351-355. |
| [2] | ChenSA;ChangHS .[J].高分子科学(英文版),1990,28:2547-2551. |
| [3] | Chang H S et al.[J].Journal of Polymer Science Part A:Polymer Chemistry,1988,26:1207-1211. |
| [4] | Juang M S;Krieger I M .[J].Journal of POLYMER SCIENCE PART A:POLYMER CHEMISTRY,1976,14:2089-2094. |
| [5] | Liu L J;Krieger I M .[J].Journal of Polymer Science Part A:Polymer Chemistry,1981,19:3013-3017. |
| [6] | 纪庆绪,程时远,李建宗.无皂乳液聚合法合成功能高分子微球[J].高分子材料科学与工程,1994(02):9-15. |
| [7] | 徐祖顺;程时远;李建宗.[J].高分子学报,1996(01):16-20. |
| [8] | 邱光鸿 .[J].涂料工业,1996,4(04):23-24. |
| [9] | 郝海涓 .[D].天津:南开大学,1999. |
| [10] | 谭敏宽 .[J].涂料工业,1996,4(04):32-34. |
| [11] | 刘景江.聚丙烯表面改性及与涂料的粘结[J].高分子材料科学与工程,1992(05):1-5. |
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