不同类型增韧剂对超低聚合度PVC树脂性能的影响
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摘要
分别考察了CPE、MBS对超低聚合度PVC树脂冲击强度、拉伸强度、弯曲强度和热变形温度的影响。结果表明:与CPE相比,采用MBS可使超低聚合度PVC树脂获得非常高的冲击强度,更高的热变形温度,但拉伸强度和弯曲强度略有降低。
The effects of CPE and MBS on impact strength, tensile strength, bending strength and thermal deformation temperature of PVC resins with ultra-low polymerization degree were investigated respectively. The results showed that compared with CPE, MBS could make the PVC resins with ultra-low polymerization degree possess very high impact strength, higher thermal deformation temperature, but slightly reduced tensile strength and bending strength.
The effects of CPE and MBS on impact strength, tensile strength, bending strength and thermal deformation temperature of PVC resins with ultra-low polymerization degree were investigated respectively. The results showed that compared with CPE, MBS could make the PVC resins with ultra-low polymerization degree possess very high impact strength, higher thermal deformation temperature, but slightly reduced tensile strength and bending strength.
引文
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[2] 王祖芳,黄东,贺盛喜.超低聚合度PVC树脂的生产现状及制备的关键技术[J].聚氯乙烯,2014,42(5):1-4.
[3] 石亮,黄传华.超低聚合度PVC树脂生产技术的研究[J].聚氯乙烯,2013,41(5):12-15.
[4] 王元荪.超低聚合度的PVC树脂及其生产方法[J].合成材料老化与应用,2012,41(3):55.
[5] 张学明,王晶,张新华,等.低聚合度PVC树脂性能研究[J].现代塑料加工应用,2009,21(3):36-39.
[6] Wang Q,Storm B K.Separation and analysis of low molecular weight plasticizers in poly(vinyl chloride) tubes[J].Polymer Testing,2005,24(3):290-300.