发泡母粒对ABS发泡材料泡孔结构及力学性能的影响

wf(2016)

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Abstract
采用化学注塑发泡制备了丙烯腈–丁二烯–苯乙烯(ABS)发泡材料,研究发泡剂母粒载体分别为高抗冲聚苯乙烯(PS–HI),PS–HI+苯乙烯–丁二烯–苯乙烯塑料(SBS),SBS,ABS及聚烯烃弹性体(POE)时发泡剂母粒对ABS泡孔结构及力学性能的影响。结果表明,发泡母粒载体对ABS发泡试样的泡孔结构及力学性能具有较大的影响,以POE为发泡母粒载体所制得的ABS发泡样品的泡孔结构、力学性能较好。其泡孔平均直径为18.5μm,泡孔密度为4.183×107个/cm3,冲击强度为11.7 kJ/m2,拉伸强度为30.8 MPa。
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