1. 毕业设计（论文）的内容和要求

主要内容包括： asa是由丙烯腈、苯乙烯和丙烯酸酯组成的核-壳结构接枝共聚物。

asa核-壳结构是以交联聚丙烯酸丁酯（pba）为核，外层接枝聚苯乙烯-丙烯腈共聚物（san）为壳。

pba链不含双键、耐候性优越，可用作户外材料，san具有较高的机械强度，且主链上没有双键，可在不降低材料耐候性的同时提高材料的刚性、热稳定性等性能。

2. 参考文献

[1] Ren, L , Li, Y, Zhang, M Y, et al. Toughness, dynamic mechanical property, and morphology of polyvinylchloride/acrylonitrile-styrene-butyl acrylate blends [J]. Journal of Vinyl Additive Technology, 2016, 22: 43-50. [2] Xiang B, Zhang J. New insights into the impact toughness of ASA (acrylonitrile-styrene-acrylate) with controllable core#8211;shell structure synthesized by three-stage seeded emulsion polymerization [J]. International Journal of Polymer Analysis and Characterization, 2017, 22: 534-544. [3] Shima Tolue, Mohammad Reza Moghbeli, Seyed Mehdi Ghafelebashi. Preparation of ASA (acrylonitrile-styrene-acrylate) structural latexes via seeded emulsion polymerization [J]. European Polymer Journal, 2009, 45: 714-720. [4] Palmer C. Seeded Semibatch Emulsion Polymerization ofn-Butyl Acrylate. Kinetics and Structural Properties[J]. Macromolecules, 2000, 33(14):5041-5047. [5] Liu Z, Han Y, Zhou C, et al. Seeded Emulsion Polymerization of Butyl Acrylate Using a Redox Initiator System: Kinetics and Mechanism[J]. Industrial Engineering Chemistry Research, 2010, 49(16):7152-7158. [6] Liu Z, Deng Y, Ye H, et al. Toughening of Polyamide-6 with a Maleic Anhydride Functionalized Acrylonitrile-Styrene-Butyl Acrylate Copolymer[J]. Industrial Engineering Chemistry Research, 2012, 51(27):9235-9240. [7] Ludivine Bouvierfontes, Rosangela Pirri, And J M A, et al. Seeded Semicontinuous Emulsion Copolymerization of Butyl Acrylate with Cross-Linkers[J]. Macromolecules, 2005, 38(4):1164-1171. [8] Xu X, Wang R, Tan Z, et al. Effects of polybutadiene-g-SAN impact modifiers on the m ology and mechanical behaviors of ABS blends [J]. European polymer journal, 2005, 41(8): 1919-1926. [9] Ren L, Li Y, Zhang M, et al. Toughness, dynamic mechanical property, and morphology of polyvinylchloride/acrylonitrile‐styrene‐butyl acrylate blends[J]. Journal of Vinyl Additive Technology, 2016, 22(1):43-50. [10] 杨健, 翟云芳, 梁滔, 等. 大粒径聚丙烯酸丁酯胶乳的制备 [J]. 合成橡胶工业, 2007, 30(4): 303-305. [11] Moghbeli, M R, Blue, S. Acrylonitrile/Styrene/Acrylate Structural Rubber Latex Particles as Impact Modifier for SAN Copolymer [J]. Iranian Polymer Journal, 2011, 22(2): 137-146. [12] 杨帆, 陈丹, 刘伯军. 一步间歇乳液聚合法制备高固含量大粒径窄分布聚丙烯酸丁酯胶乳[J]. 塑料工业, 2014, 42(6): 17-20. [13] 牟蕾, 任亮, 彭景军, 等. 丙烯酸丁酯的乳液聚合反应与粒径控制[J]. 弹性体, 2012, 22(2): 15-19. [14] 王春茂, 周超, 陈明, 等. 多层核 －壳结构橡胶粒子对PVC增韧的研究[J]. 中国塑料, 2012, 26(3): 34-38. [15] 耿丽丽, 任亮, 韩业, 等. PBA-g-SAN对ASA树脂结构与性能的影响 [J]. 中国塑料, 2011, 25(3): 29-33. [16] 韩业. ASA 树脂及其共混物的制备和性能研究 [D]. 吉林: 吉林大学, 2009. [17] 马令庆. ASA的制备及其改性PVC的研究[D]. 青岛科技大学, 2012. [18] 曹同玉, 刘庆普, 胡金生. 聚合物乳液合成原理性能及应用[M]. 化学工业出版社, 1997.

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2.20-3.5 文献查询及文献翻译 3.6-3.12 完成开题报告并开题 3.13-4.16 进行实验工作 4.17－4.23 毕业设计中期检查 4.24－6.4 继续实施实验并撰写论文 6.5-6.18 论文答辩