首页> 外文期刊>Journal of Applied Polymer Science >MECHANISM OF ENHANCED IMPACT STRENGTH OF POLY(VINYL CHLORIDE) MODIFIED BY ACRYLIC GRAFT COPOLYMER
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MECHANISM OF ENHANCED IMPACT STRENGTH OF POLY(VINYL CHLORIDE) MODIFIED BY ACRYLIC GRAFT COPOLYMER

机译:丙烯酸接枝共聚物改性聚氯乙烯的增强冲击强度的机理

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摘要

The mechanism of enhanced PVC impact strength of poly(vinyl chloride) modified by an acrylic graft copolymer was studied by the three-point bending test on a U-notched bar. In the mechanism, the void formation from the modifier released the constrained strain. The release suppresses the stress below the fibril strength in the material; consequently, stable deformation can develop over a large area and, thus, the impact strength of PVC modified by the acrylic graft copolymer is improved. (C) 1996 John Wiley & Sons, Inc. [References: 13]
机译:通过在U型缺口棒上进行三点弯曲试验,研究了丙烯酸接枝共聚物改性聚氯乙烯提高PVC冲击强度的机理。在该机理中,由改性剂形成的空隙释放了约束应变。释放抑制了材料中原纤维强度以下的应力。因此,可以在大面积上产生稳定的变形,因此,提高了由丙烯酸接枝共聚物改性的PVC的冲击强度。 (C)1996 John Wiley&Sons,Inc. [参考:13]

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