木粉和发泡剂对PVC基木塑复合发泡材料性能的影响  

Effect of Wood Flour and Foaming Agent on Properties of PVC/Wood Flour Foamed Composite

作　　者：李兵[1] 石宝山[1] 周南桥 秦雪梅[1] 

机构地区：[1]北京理工大学珠海学院机械与车辆工程学院,广东珠海519085 [2]华南理工大学聚合物成型加工工程教育部重点实验室华南理工大学聚合物新型成型装备国家工程研究中心,广东广州510641

出　　处：《塑料科技》2009年第5期63-66,共4页Plastics Science and Technology

摘　　要：以木粉、聚氯乙烯树脂、发泡剂等为原料，通过连续挤出得到发泡木塑复合材料。对木粉的热失重．复合发泡材料的泡孔形态．力学性能进行了测试。结果表明：发泡剂用量不应超过1phr；在本实验范围内，木粉粒径的减小会使发泡更容易，材料的力学性能得到改善；木粉粒径对泡孔形态和力学性能的影响有一个最佳范围，即20-80目。Taking wood flour, PVC, foaming agent as materials, the foamed PVC/wood flour composite was prepared by continuous extrusion. The cell morphology and mechanical properties of the composite were tested. The results show that： the foaming agent content should be less than lphr; for this experiment, with the decrease of the particle size of wood flour, the mechanical properties of the composite is improved, the foaming of the composite is easier; the optimum range for particle size of wood flour to improve the cell morphology and mechanical properties of the composite is 20-80 mesh.

关 键 词：发泡塑料 聚氯乙烯 木塑复合材料 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]