|本期目录/Table of Contents|

[1]樊庆春,段菲红,郭怀兵,等.超支化聚酯与聚丙烯共混物的结晶及力学性能[J].武汉工程大学学报,2012,(10):54-57.[doi:103969/jissn16742869201210013]
　FAN Qing chun,DUAN Fei hong,GUO Huai bing,et al.Mechanical properties and crystallization of polypropylene and hyperbranched polyester blends[J].Journal of Wuhan Institute of Technology,2012,(10):54-57.[doi:103969/jissn16742869201210013]
点击复制

超支化聚酯与聚丙烯共混物的结晶及力学性能(/HTML)
分享到：

《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年10期
页码:
54-57
栏目:
化学与化学工程
出版日期:
2012-11-06

文章信息/Info

Title:
Mechanical properties and crystallization of polypropylene
and hyperbranched polyester blends
文章编号:
16742869(2012)10005404
作者:
樊庆春; 段菲红; 郭怀兵; 吴田
武汉工程大学化工与制药学院，绿色化工过程教育部重点实验室，
湖北省新型反应器与绿色化学工艺重点实验室，湖北 武汉 430074
Author(s):
FAN Qingchun;  DUAN Feihong;  GUO Huaibing;  WU Tian
Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Chemical Reactor & Green
Chemical Technology , School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
结晶度; 增韧; 冲击强度
Keywords:
crystallinity;  toughening;  impact strength
分类号:
TQ317.3
DOI:
103969/jissn16742869201210013
文献标志码:
A
摘要:
以熔融共混法制备了系列超支化聚酯(HBP)与聚丙烯(PP) 的共混物，通过差示扫描量热法(DSC)测试了超支化聚酯用量对共混物的结晶度、结晶速率的影响，利用扫描电镜(SEM)观察了共混物的断面形态，考察了超支化聚酯用量对共混物力学性能的影响.结果表明：HBP在PP熔融冷却过程中起到异相结晶作用，HBP的加入提高了PP的结晶速率，从而提高了PP的结晶度，用量为10%时，结晶度为32.15%，提高了32.63%；低填充量的HBP可提高PP的拉伸强度，用量为2%时，拉伸强度达到最大为36.2MPa，提高了7.10%；PP的冲击强度随HBP含量的增加而增大，用量为10%时，冲击强度为5.80 kJ/m2，提高约12.60%.
Abstract:
Blends composed of AB2 type hyperbranched polyester (HBP) and polypropylene (PP) were prepared by melt blending method. Effects of amounts of HBP on crystallinity and crystallization rate of blends were investigated by differential scanning calorimetry (DSC). Fracture surface of the blends was observed by scanning electron microscopy (SEM). The influence of the content of HBP on the mechanical properties of the blends was studied. The results show that HBP acts as a nucleating agent for PP during crystallization: The crystallization rate and the crystallinity of PP are increased with hyperbranched polyester added. When the content of hyperbranched polyester is 10%, the crystallinity is 32.15% and increases by 32.63%. The tensile strength is improved with low amounts of HBP. When the content of hyperbranched polyester is 2%, the tensile strength reaches a maximum 36.2 MPa and increases by 7.10%. The maximum impact strength of PP is 5.80 kJ/m2 and increases by about 12.60% when the content of hyperbranched polyester is 10%.

参考文献/References:

［1］王兴元,罗运军,夏敏,等.超支化聚酯在树脂改性中的应用研究进展\[J\].高分子材料科学与工程, 2009, 25(3):158161.
［2］蒋玉梅,陆绍荣,张晨曦，等. 环氧树脂/超支化聚酯/纳米SiO2复合材料的制备及性能\[J\].高分子材料科学与工程，2010，26(3)：134137.
［3］王国建,王长明,李岩,等. 新型超支化聚酯对PVC力学及流变性能影响的研究\[J\].塑料,2006, 35 (6): 1519.
［4］张书文，焦会云,刘广田,等. AB2型超支化聚(胺-酯)活性端羟基与乙酸酐的功能化反应\[J\].高分子学报,2002,15(3):286290.
［5］FAN Qing Chun, DUAN Fei Hong, et al. Isothermal Crystallization Kinetics of Polypropylene and Hyperbranched Polyester Blends \[J\]. Advanced Materials Research, 2012, 396398:16881691.
［6］Avella M, Dell’Erba R, Martuscelli E, et al. Influence of Molecular Thermal Mass, Treatment and Nucleating Agent on structure and Fracture Toughness of Isotactic Polypropylene\[J\]. Polymer, 1993,34:29512958.

相似文献/References:

[1]祝 亮,舒亦婷,彭永利*.聚醚胺原位增韧环氧/酸酐体系的研究[J].武汉工程大学学报,2022,44(04):417.[doi:10.19843/j.cnki.CN42-1779/TQ.202107014]
　ZHU Liang,SHU Yiting,PENG Yongli*.In-Situ Toughened Epoxy/Anhydride System with Polyether Amine[J].Journal of Wuhan Institute of Technology,2022,44(10):417.[doi:10.19843/j.cnki.CN42-1779/TQ.202107014]

备注/Memo

备注/Memo:
收稿日期：20120722基金项目：武汉工程大学青年基金（Q200902）作者简介：樊庆春(1974)，男，山东郓城人，副教授，博士，硕士研究生导师.研究方向：功能聚合物材料、高性能涂料与工程胶粘剂的制备及应用.
更新日期/Last Update: