IMPROVEMENT OF TOUGHENING AND MECHANICAL PROPERTIES EQUILIBRIUM FOR PA6/VERSIFY BLENDS BY VERSIFY-g-(MAH-co-St)

ZHANG Jiamin; LI Yan; XIE Xuming

doi:10.3724/SP.J.1105.2009.00381

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IMPROVEMENT OF TOUGHENING AND MECHANICAL PROPERTIES EQUILIBRIUM FOR PA6/VERSIFY BLENDS BY VERSIFY-g-(MAH-co-St)

Research Bulletin | 更新时间：2021-03-19

- IMPROVEMENT OF TOUGHENING AND MECHANICAL PROPERTIES EQUILIBRIUM FOR PA6/VERSIFY BLENDS BY VERSIFY-g-(MAH-co-St)
- Acta Polymerica Sinica Issue 4, Pages: 381-384(2009)
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- DOI：10.3724/SP.J.1105.2009.00381
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- Published：20 April 2009，
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ZHANG Jiamin, LI Yan, XIE Xuming. IMPROVEMENT OF TOUGHENING AND MECHANICAL PROPERTIES EQUILIBRIUM FOR PA6/VERSIFY BLENDS BY VERSIFY-g-(MAH-co-St). [J]. Acta Polymerica Sinica (4):381-384(2009)
DOI：

ZHANG Jiamin, LI Yan, XIE Xuming. IMPROVEMENT OF TOUGHENING AND MECHANICAL PROPERTIES EQUILIBRIUM FOR PA6/VERSIFY BLENDS BY VERSIFY-g-(MAH-co-St). [J]. Acta Polymerica Sinica (4):381-384(2009) DOI： 10.3724/SP.J.1105.2009.00381.

摘要

使用挤出机对乙丙共聚物Versify2300（乙烯含量12 wt％）（V-2300）进行马来酸酐（MAH）和苯乙烯（St）多单体熔融接枝得到接枝物Versify-g-(MAH-co-St) (g-V-2300).通过SEM、FTIR和力学性能测试，研究了g-V-2300对PA6/(V-2300+g-V-2300)(70/30)共混物形态和性能的影响.研究结果表明，随着 g-V-2300含量的提高，V2300分散相粒径不断减小且分散均匀.当 g-V-2300比例为25 wt％时，分散相尺寸只有0.27 μm，此时共混物的izod冲击强度达到324.54 J/m，为PA6/(V-2300+g-V2300)(70/(30+0))共混物的16倍.g-V-2300的加入，显著改善了PA6/(V-2300+g-V-2300)(70/30)共混物的冲击强度，其伸长率，拉伸强度和抗弯强度也得到提高，从而得到具有均衡力学性能的增韧尼龙6合金.

Abstract

A propylene-ethylene copolymer Versify2300 with 12 wt% ethylene content（V-2300） was multi-monomer melt grafted using maleic anhydride and styrene (MAH-St) by extruder.The effect of the addition of Versify-g-(MAH-co-St) (g-V-2300) on the compatibility of PA6/(V-2300+g-V-2300)(70/30) blends was investigated by means of SEM

FTIR and mechanical property measurements.The results showed that with increasing the g-V-2300 content

the size of the V-2300 dispersed phase became smaller and more uniform.Wheng-V-2300 is 25 wt%

the dispersed phase size is only 0.27 μm

and the izod impact strength of the blend is 324.54 J/m and is 16 times larger than that of the blend without g-V-2300.The addition of g-V-2300 remarkably improved the mechanical properties of PA6/(V-2300+g-V-2300)(70/30) blends including elongation

tensile strength and flexural strength.Thus toughened Nylon 6 alloys could be achieved with balanced mechanical properties.

关键词

PA6/Versify共混物增韧增强形态

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扬州大学江苏省环境工程与环境材料重点实验室

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