聚体Surlyn对PET/PA-6共混物的相容性及形态结构的影响

通过偏光显微镜观察，扫描电镜观察，动态力学分析和广角和Ｘ射线衍射分析，研究了离聚物Ｓｕｒｌｙｎ对ＰＥＴ／ＰＡ－６共浊 相容性及形态结构的影响。

EFFECT OF SURLYN ON COMPATIBILITY AND MORPHOLOGY OF PET/PA-6 BLENDS

An attempt has been made to modify the properties of poly(ethylene terephthalate)PET by forming PET/polyamide 6(PA 6) blends. Since PET and PA 6 are incompatible, an ionomer Surlyn 9020 was added as a compatibilizer. The effect of Surlyn 9020 on the compatibility and morphology of PET/PA 6 blends was studied by PLM, SEM, DMA, WAXD. It is shown that PET, PA 6 crystallizes respectively in the blending system. PLM, SEM, DMA showed the compatibility in the amorphous and crystalline region is improved by adding Surlyn. PLM and SEM also shows a noticeable morphological change in the blends on adding Surlyn, such as good interfacial adhesion, reduction in the particle size of dispersed phase and more uniform distribution. The highest compatibilization efficiency was obtained when the content of Surlyn was 6%.