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第 7 期 王迪然,等: 高结晶度 iPP/TMC-300 复合材料的制备及性能 ·1095·
表 4 iPP/TMC-300、iPP/TMC-328 及 iPP/HPN-68L 复合材料的力学性能参数
Table 4 Mechanical performance parameters of iPP/TMC-300, iPP/TMC-328 and iPP/HPN-68L composite materials
w(TMC-300)/% w(TMC-328) /% w(HPN-68L) /%
0.2 0.6 0.2 0.6 0.2 0.6
弯曲强度/MPa 72.5 72.8 73.1 74.3 67.5 72.8
拉伸强度/MPa 39.4 41.7 39.0 36.1 35.6 34.9
断裂伸长率/% 804.8 832.2 735.2 542.4 745.6 743.3
缺口冲击强度/(J/m) 43.2 34.2 34.2 36.5 37.3 43.3
同质量分数 HPN-68L 和 TMC-328 的断裂伸长率(分 2016[J]. China Plastics Industry (塑料工业), 2017, 45(3): 1-44,108.
[4] Cao Li (曹莉), Li Qing (李青), Su Zhiqiang (苏志强), et al.
别为 743.3%和 542.4%)分别增加了 12.0%和 53.4%,
Research progress of nucleating agents for iPP[J]. Polymer Bulletin
这说明 iPP/TMC-300 复合材料的断裂伸长率优于其 (高分子通报), 2013, (4): 146-150.
他两种复合材料。当 TMC-300 的质量分数为 0.2% [5] Pigłowski J, Gancarz I, Wlaźlak M, et al. Crystallization in modified
blends of polyamide and polypropylene[J]. Polymer, 2000, 41(18):
时,其缺口冲击强度为 43.2 J/m,较相同质量分数 6813-6824.
的 HPN-68L(37.3 J/m)提高了 15.8%,可见 TMC-300 [6] Blomenhofer M, Ganzleben S, Hanft D, et al. “Designer” nucleating
agents for polypropylene[J]. Macromolecules, 2005, 38(9): 3688-3695.
在改善 iPP 韧性方面更高效。 [7] Li Xiangyang (李向阳), Gao Xianghua (高向华), Mao Chenxi (毛晨
曦), et al. Influence of nucleator TMC-300 on crystallization of
3 结论 PLA[J]. China Plastics Industry (塑料工业), 2014, 42(6): 1-6.
[8] Xue Bai (薛白), Guo Dan (郭丹), Bao Jianjun (包建军). Effect of
成核剂 TMC-300 对 iPP 有显著的成核效果。当 sebacate benzohydydrazide on heat-resistance property of poly(lactic
acid)[J]. Polymer Materials Science and Engineering (高分子材料科
TMC-300 的质量分数为 0.6%时,纯 iPP 的结晶峰温 学与工程), 2014, 30(3): 59-63.
度提高了 9.7 ℃,成核效率达到了 56.3%;等温结晶 [9] Xu Ting (徐婷). Effect of zinc phenylphosphonate and multiamide on
crystallization behavior of isotactic polypropylene[D]. Zhengzhou:
过程中,随着 TMC-300 含量的增加,iPP 的半结晶 Zhengzhou University (郑州大学), 2014.
时间一直增加,在 TMC-300 的质量分数为 0.2%时 [10] Wang D R, Luo F L, Shen Z Y, et al. A study on the crystallization
behavior and mechanical properties of poly(ethylene terephthalate)
达到最小,结晶速率达到最大值;而且 TMC-300 的
induced by chemical degradation nucleation[J]. RSC Advances,
加入没有改变 iPP 的晶体结构,使 iPP/TMC-300 复 2017, 7(59): 37139-37147.
合材料中的晶核数目增多,球晶尺寸减小,晶体排 [11] Sun Caidi (孙彩迪), Luo Fahai (罗发海), Luo Faliang (罗发亮), et
al. Effects of extrusion temperature on properties of transparent
列更加紧密;当 TMC-300 的质量分数为 0.2%时, modified polypropylene random copolymer[J]. Modern Plastics
iPP/TMC-300 复合材料的断裂伸长率和缺口冲击强 Processing and Applications (现代塑料加工应用), 2015, 27(5): 1-4.
[12] Sun Caidi (孙彩迪). Study on effects of nucleating agents and
度比纯 iPP 分别提高了 23.5%和 32.9%,说明在塑性
processing condition on polypropylene modification[D]. Yinchuan:
和韧性方面对 iPP 的改性效果较好。另外,TMC-300 Ningxia University (宁夏大学), 2015.
与 HPN-68L 和 TMC-328 对 iPP 改性效果进行了比 [13] Shen Z Y, Luo F L, Xing Q, et al. Effect of an aryl amide derivative
on the crystallization behaviour and impact toughness of polyethylene
较,发现 TMC-300 也可以作为 iPP 的一种专用成核 terephthalate) [J]. Crystengcomm, 2016, 18(12): 2135-2143.
剂,成核效果比 TMC-328 更好,而且在力学性能方 [14] General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China (中华人民共和国国家
面对 iPP 的改性效果较 TMC-328 和 HPN-68L 更优。 质量监督检验检疫总局), Standardization Administration of the
这些结果证明将 PLA 专用成核剂(如 TMC-300、 People's Republic of China (中国国家标准化管理委员会). GB/T
1040-2006 Plastics-Determination of tensile properties[S]. Beijing:
TMC-328)用于 iPP 结晶能力及性能的改善具有重 Standards Press of China (中国标准出版社), 2007.
要的潜力,未来进一步探讨 iPP 专用成核剂与 PLA [15] General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China (中华人民共和国国家
专用成核剂结构特点,总结相应的结构特征规律,
质量监督检验检疫总局), Standardization Administration of the
筛选制备通用成核剂,为拓宽 PLA 成核剂的应用及 People's Republic of China (中国国家标准化管理委员会). GB/T
降低成本具有重要意义。 9341-2008 Plastics-Determination of flexural properties[S]. Beijing:
Standards Press of China (中国标准出版社), 2009.
[16] General Administration of Quality Supervision, Inspection and
参考文献:
Quarantine of the People's Republic of China (中华人民共和国国家
[1] Li Junqing (李俊卿). Nucleating agents for PP[J]. Shanxi Chemical 质量监督检验检疫总局), Standardization Administration of the
Industry (山西化工), 2009, 29(3): 56-59. People's Republic of China (中国国家标准化管理委员会). GB/T
[2] Liu M X, Guo B C, Du M L, et al. Halloysite nanotubes as a novel 1843-2008 Plastics-Determination of izod impact strength[S]. Beijing:
b-nucleating agent for isotactic polypropylene[J]. Polymer, 2009, Standards Press of China (中国标准出版社), 2009.
50(13): 3022-3030. [17] Sun Caidi (孙彩迪), Luo Faliang (罗发亮), Xue Ping (薛屏), et al.
[3] Xu Jiangling (许江菱), Zhong Xiaoping (钟晓萍), Zhu Yongmao (朱 Effects of nucleating agent NX8000K on transparency and thermal
永茂), et al. Progress of the world’s plastics industry in 2015- properties of isotactic polypropylene[J]. Petrochemical Technology