1. 毕业设计（论文）的内容和要求

主要内容：本课题选用的基材为聚丙烯（pp）和苯乙烯-（乙烯-丁烯）-苯乙烯（sebs）。

pp因具有强度高、硬度大、耐化学性优良等优点而被广泛地应用于建筑、化工、家庭用品等诸多方面，但其自身的低温韧性差、耐磨性不足等缺点又限制了其使用。

热塑性弹性体sebs是由苯乙烯-丁二烯-苯乙烯（sbs）两相三嵌段共聚物加氢饱和制得，因其良好的耐低温性、优异的耐老化性、显著的力学性能等优点而被大量使用，然而其也存在热稳定性能不好、流动性不佳等特点。

2. 参考文献

[1] Gupta A K, Purwar S N. Crystallization of PP in PP/SEBS blends and its correlation with tensile properties[J]. Journal of Applied Polymer Science, 2010, 29(5):1595-1609. [2] Gupta A K, Purwar S N. Dynamic mechanical and impact properties of PP/SEBS blend[J]. Journal of Applied Polymer Science, 2010, 31(2):535-551. [3] Wilkinson A N, Clemens M L, Harding V M. The effects of SEBS--maleic anhydride reaction on the morphology and properties of polypropylene/PA6/SEBS ternary blends[J]. Polymer, 2004, 45(15):5239-5249. [4] J. Karger-Kocsis, Kiss L. Dynamic mechanical properties and morphology of polypropylene block copolymers and polypropylene/elastomer blends[J]. Polymer Engineering Science, 1987, 27(4):254#8211;262. [5] Zhang H Y, Lv Y. Mechanical properties and crystalline structures of PPR modified by SEBS elastomer and rare-earth β nucleating agent[J]. Chemical Papers, 2017(21):1-11. [6] Ohlsson, Bertil, Hassander, Helen, Touml;rnell, Bertil. Blends and thermoplastic interpenetrating polymer networks of polypropylene and polystyrene #8211;block -poly(ethylene-stat-butylene) #8211;block -polystyrene triblock copolymer. 1: Morphology and structure-related properties[J]. Polymer Engineering Science, 1996, 36(4):501-510. [7] Ahmad Z, Kumar K D, Saroop M, et al. Highly transparent thermoplastic elastomer from isotactic polypropylene and styrene/ethylene-butylene/styrene triblock copolymer: Structure-property correlations[J]. Polymer Engineering Science, 2010, 50(2):331#8211;341. [8] Vuluga Z, Panaitescu D M, Radovici C, et al. Effect of SEBS on morphology, thermal, and mechanical properties of PP/organoclay nanocomposites[J]. Polymer Bulletin, 2012, 69(9):1073-1091. [9] Lou C W, Huang C L, Pan Y J, et al. Crystallization, mechanical, and electromagnetic properties of conductive polypropylene/SEBS composites[J]. Journal of Polymer Research, 2016, 23(5):1-9. [10] Sharma R, Maiti S N. Effects of crystallinity of polypropylene (PP) on the mechanical properties of PP/styrene-ethylene-butylene-styrene- g -maleic anhydride (SEBS- g -MA)/teak wood flour (TWF) composites[J]. Polymer Bulletin, 2015, 72(3):1-17. [11] 刘勇刚, 刘素琴, 李晓刚,等. PP/SEBS基导电复合材料的研制[J]. 工程塑料应用, 2005, 33(1):15-18. [12] 阳范文, 陈晓明, 徐克谋. 高光泽PP/SEBS热塑性弹性体的研究与应用[J]. 功能材料, 2013, 44(3):326-328. [13] 吉祥. SEBS/PP热塑性弹性体无卤阻燃改性及性能研究[D]. 华东理工大学, 2012. [14] 吕磊, 丁雪佳, 韩颖,等. SEBS对聚丙烯透明性及力学性能的影响[J]. 塑料, 2016(6):44-47. [15] 刘安琪. SEBS/PP无卤阻燃电缆料的研究[D]. 哈尔滨理工大学, 2017.

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 2.26-3.11 文献查询及文献翻译 3.12-3.18 完成开题报告并开题 3.19-4.22 进行实验工作 4.23-4.29 毕业设计中期检查 4.30－6.10 继续实施实验并撰写论文 6.11-6.22 论文答辩