MORPHOLOGY OF SOLUTION CAST PS/PMMA BLEND FILMS

KONG Xiangming; XIE Xuming

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MORPHOLOGY OF SOLUTION CAST PS/PMMA BLEND FILMS

Research Article | 更新时间：2021-03-19

- MORPHOLOGY OF SOLUTION CAST PS/PMMA BLEND FILMS
- Acta Polymerica Sinica Issue 1, Pages: 124-128(2003)
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- Published：20 February 2003，
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KONG Xiangming, XIE Xuming. MORPHOLOGY OF SOLUTION CAST PS/PMMA BLEND FILMS. [J]. Acta Polymerica Sinica (1):124-128(2003)
DOI：

KONG Xiangming, XIE Xuming. MORPHOLOGY OF SOLUTION CAST PS/PMMA BLEND FILMS. [J]. Acta Polymerica Sinica (1):124-128(2003) DOI：

摘要

研究了PS/PMMA的共混物溶液溶剂蒸发成膜时的基板界面效应 .利用扫描电子显微镜 (SEM)研究了PS/PMMA(5/5) (W/W)/THF高分子共混物溶液在不同基板上通过溶剂挥发成膜的相形态结构 .通过FTIR及ATR-FTIR检测了共混物薄膜及其表面的共混组成 .研究结果表明

成膜基板对高分子共混物溶液成膜后的相形态有很重要的影响 .控制共混物溶液体系成膜过程中的动力学因素

可以调控出所设想的各种复杂的相结构形态.

Abstract

The PS/PMMA blend films were prepared by volatizing the solvent very slowly from the PS/PMMA/THF solution．Various substrates were employed such as glass

PET film

PTFE film and PP film．The SEM pictures showed that the morphologies of both the surface-side (contact with air) and the bottom-side (contact with the substrate) of the film strongly depend on the substrates used．If the substrate was glass or PET films

there were a small amount of PS particles on the bottom-side of the films．On the other hand

a lot of large PS particles could be observed on the bottom-side of the films when PTEF films or PP films were used as substrates．ATR-FTIR analysis was used to detect the composition at the surface side and the bottom side of the blend films．Substrate-segregation was found．It was supposed that this effect might be resulted from the different affinity of PS to the various substrates.

关键词

PS/PMMA基板界面相形态梯度结构

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