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《Polymer Materials Science & Engineering》 2010-03
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Structure and Properties of PA6/PLA Blends

WANG Yu-ling1,LI Hai3,DAI Kun1,LI Zhong-ming1,JI Xu2(1.College of Polymer Science and Engineering,State Key Laboratory of Polymer Materials Engineering,Sichuan University,Chengdu 610065,China;2.School of Chemical Engineering,Sichuan University,Chengdu 610065,China;3.School of Materials Science and Engineering,Southwest University of Science and Technology,Mianyang 621010,China)  
The polyamide 6/polylactic acid(PA6/PLA)blends was prepared by a melt-blending process method,this work was an exploratory research on the feasibility of a strategy to partially replace polyamide 6 with poly(lactic acid)(PLA).The property of the compound was studied by means of mechanical properties testing,SEM and thermal stability analysis.The results show that when the content of PLA is less than 30% the tensile strength of PA6/PLA blends is higher than 96% of pure PA6,tensile modulus is 1.16~1.76 times that of the value of neat PA6.The vicat softening point of PA6/PLA blends is above 173 ℃,indicat good thermal stability.Scanning electron microscope(SEM)analysis indicate that PA6/PLA blends have good compatibility and strong adhesion between phase interfaces.When the content of PLA is more than 40%,the tensile strength and thermal stability of PA6/PLA blends decrease significantly.
【Fund】: 国家自然科学基金资助项目(20776087)
【CateGory Index】: TQ320.1
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【Citations】
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【Co-citations】
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