|本期目录/Table of Contents|

[1]帅宁,王家俊,孙玉廷.纳米二氧化钛粒子对聚乳酸非等温结晶过程的影响[J].浙江理工大学学报,2015,33-34(自科6):776-780.
 SHUAI Ning,WANG Jia jun,SUN Yu ting.Effect of NanoTitanium Dioxide Particles on the Nonisothermal Crystallization Process of Polylactic Acid[J].Journal of Zhejiang Sci-Tech University,2015,33-34(自科6):776-780.
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纳米二氧化钛粒子对聚乳酸非等温结晶过程的影响()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第33-34卷
期数:
2015年自科6期
页码:
776-780
栏目:
出版日期:
2015-11-10

文章信息/Info

Title:
Effect of NanoTitanium Dioxide Particles on the Nonisothermal Crystallization Process of Polylactic Acid
文章编号:
1673-3851 (2015) 06-0776-05
作者:
帅宁王家俊孙玉廷
浙江理工大学,a.材料与纺织学院;b.先进纺织材料与制备技术教育部重点实验室,杭州 310018
Author(s):
SHUAI Ning WANG Jiajun SUN Yuting
a. School of Materials and Textiles; b. The Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
聚乳酸纳米二氧化钛非等温结晶行为
分类号:
TQ322.9
文献标志码:
A
摘要:
首先采用溶胶凝胶法制备纳米二氧化钛粒子(TiO2),然后采用溶液共混的方法将纳米TiO2粒子与聚乳酸(PLA)共混,在平整的玻璃皿上流延,待溶剂挥发后形成TiO2/PLA材料。采用同步差示扫描量热法(DSC)对样品的非等温结晶过程进行测试分析,采用Jeziorny方法和莫志深方程确定非等温结晶动力学参数。结果表明:样品TiO2/PLA在非等温结晶初期的n值与PLA相比有所减小,说明纳米TiO2粒子的加入,使PLA非等温结晶过程的成核机理与晶体生长方式发生改变;同时,纳米TiO2粒子对基体PLA的非等温结晶过程起到抑制作用。

参考文献/References:

[1] Wu D F, Cheng Y X, Feng S H, et al. Crystallization behavior of polylactide/graphenecomposites[J]. Industrial & Engineering Chemistry Research,2013,52:6731-6739.
[2] Suryanegara L, Nakagaito A N, Yano H. The effect of crystallization of PLA on the thermal and mechanical properties of microfibrillated cellulosereinforced PLA composites[J]. Composites Science and Technology,2009,69:1187-1192.
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[4] Zhao H W, BianY J, Xu M Z, et al. Enhancing the crystallization of poly(llactide) using a montmorillonitic substrate favoring nucleation[J]. Cryst Eng Comm,2014,16:3896-3905.
[5] Chen H M, Feng C X, Zhang W B, et al. Hydrolytic degradation behavior of poly(llactide)/carbon nanotubes nanocomposites[J].Polymer Degradation and Stability,2013,98:198-208.
[6] Chen H M, Zhang W B, Du X C, et al. Crystallization kinetics and melting behaviors of poly(llactide)/graphene oxides composites[J]. Thermochimica Acta,2013,566:57-70.
[7] Zhang Y, Deng B Y, Liu Q S, et al. Nonisothermal crystallization kinetics of poly(lactic acid)/nanosilicacomposites[J]. Journal of Macromolecular Science, Part B:Physics,2013,52:334-343.
[8] Li Y L, Yong W, Liu L, et a1. Crystallization improvement of poly (llactide) induced by functionalized multiwalledcarbonnano tubes[J]. Journal of Polymer Science, Part B: Polymer Physics, 2009,47(3):326-339.
[9] 庄韦, 张建华, 刘婧, 等. 纳米TiO2/聚乳酸复合材料的制备和表征[J]. 复合材料学报,2008,25(3):8-11.
[10] Liao R G, Yang B, Yu W, et al. Isothermal cold crystallization kinetics of polylactide/nucleating agents[J]. Journal of Applied Polymer Science,2007,104:310-317.
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[12] 孙辉. 等规聚丙烯/顺丁橡胶共混物的结构及其性能研究[D]. 天津:天津大学,2006.
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备注/Memo

备注/Memo:
收稿日期: 2015-01-28
作者简介: 帅宁(1989-),女,浙江临安人,硕士研究生,主要从事可降解包装材料结晶行为的研究
通信作者: 王家俊,E-mail:wangjjhz@163.com
更新日期/Last Update: 2015-11-18