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首页> 外文会议>International Conference on Kinematics, Mechanics of Rigid Bodies, and Materials >Toughening of wood/poly(vinyl chloride) composites by using ultrafine rubber particles: Mechanical and rheological investigations
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Toughening of wood/poly(vinyl chloride) composites by using ultrafine rubber particles: Mechanical and rheological investigations

机译：使用超细橡胶颗粒的木/聚（氯乙烯）复合材料的增韧：机械和流变研究

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The purpose of this research is to enhance the toughness of richly-filled wood plastic composites (WPC) by using ultrafine acrylonitrile butadiene rubber (NBR) particles. The WPC was prepared by using poly(vinyl chloride) (PVC) matrix filled with Iron wood (Xylia xylocarpa) flour at 40 phr (WPC40) and 60 phr (WPC60). To enhance the impact strength, various contents of the ultrafine NBR were incorporated as an impact modifier from 1-11 phr. Experimental results indicated that the NBR toughened-WPCs were tougher than that of the unmodified ones, by increasing the tensile elongation at break. The impact strength of the WPCs modified with only 5 phr of NBR was notably enhanced around 26 and 7% for WPC40 and WPC60 respectively. Rheological results revealed that the ultrafine NBR functioned not only as an impact modifier but also as a processing aid with shorter processing time and lower melt torque.
机译：本研究的目的是通过使用超细丙烯腈丁二烯橡胶（NBR）颗粒来增强填充填充木塑复合材料（WPC）的韧性。通过使用填充有铁木（Xylia Xylocarpa）粉的聚（氯乙烯）（PVC）基质在40phr（WPC40）和60phr（WPC60）中制备WPC。为了增强冲击强度，将超细NBR的各种内容物掺入1-11phr的抗冲改性剂。实验结果表明，通过增加断裂的拉伸伸长率，NBR增韧-WPC比未改性的WPC更加难度。仅使用5phr的NBR修饰的WPC的冲击强度分别为WPC40和WPC60分别增强了约26％和7％。流变结果表明，超细NBR不仅用作冲击改进器，而且还用作具有较短处理时间和更低熔体扭矩的加工助剂。

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