废弃环氧模塑料填充聚氯乙烯的研究

China Plastics(2010)

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Abstract
用废弃环氧模塑料粉作为填料,采用模压成型的方法制备了聚氯乙烯(PVC)/废弃环氧模塑料复合材料,研究了废弃环氧模塑料粉的组成和性质及其与PVC的界面黏结情况,分别考察了温度和废弃环氧模塑料粉含量对复合材料力学性能和动态力学性能的影响。结果表明,废弃环氧模塑料粉具有一定的活性,能与极性树脂PVC发生作用而产生界面接枝;在模压温度为200℃、废弃环氧模塑料粉含量为60%(质量分数,下同)时,复合材料的拉伸强度为32.13 MPa,弯曲强度和冲击强度分别为60.70 MPa和4.68 kJ/m2,基本满足相关产品的要求;随着废弃环氧模塑料粉含量的增加,复合材料的储能模量提高,损耗峰向高温方向移动,且损耗峰形先变宽后变窄。
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Key words
mechanical property,waste epoxy molding compound,filling,composite,poly(vinyl chloride)
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