DETERMINATION OF THE COMPOSITIN OF GRAFT COPOLYMER PTFE-ST IN MICRO-PARTICLE STATE BY INFRARED SPECTROSCOPY

Zhu Xinfang; Li Busen

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DETERMINATION OF THE COMPOSITIN OF GRAFT COPOLYMER PTFE-ST IN MICRO-PARTICLE STATE BY INFRARED SPECTROSCOPY

更新时间：2023-04-23

- DETERMINATION OF THE COMPOSITIN OF GRAFT COPOLYMER PTFE-ST IN MICRO-PARTICLE STATE BY INFRARED SPECTROSCOPY
- Journal of Radiation Research and Radiation Processing Vol. 5, Issue 2, Pages: 49-52(1987)
- 作者机构：
  
  1.中国科学院上海原子核研究所
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Zhu Xinfang, Li Busen. DETERMINATION OF THE COMPOSITIN OF GRAFT COPOLYMER PTFE-ST IN MICRO-PARTICLE STATE BY INFRARED SPECTROSCOPY. [J]. Journal of Radiation Research and Radiation Processing 5(2):49-52(1987)
DOI：

Zhu Xinfang, Li Busen. DETERMINATION OF THE COMPOSITIN OF GRAFT COPOLYMER PTFE-ST IN MICRO-PARTICLE STATE BY INFRARED SPECTROSCOPY. [J]. Journal of Radiation Research and Radiation Processing 5(2):49-52(1987) DOI：

摘要

本文叙述粉末状材料辐射接枝工艺中测定接枝单体含量的红外光谱方法。在粉末聚四氟乙烯-苯乙烯接枝体系中使用同种材料制备具有不同接枝率的薄膜作为标准物质，选择1493 cm,-1,和2362 cm,-1,谱带作为组分的分析谱带，利用最小二乘法计算了二谱带的吸光度比对接枝率（g）的回归方程。此方法对难以称量求得接枝率的微粒接枝共聚物的定量测定具有准确、方便的优点。

Abstract

A quantitative IR method for determining the composition of PTFE-ST graft copolymer having chromatographic separation function in micro-particle state has been described. The method was quantified by using the graft copolymer film as an external standard. The absorbances of bands at 1493 cm,-1, and 2362 cm,-1, of standard samples were measured and the regression equation of A,1493,/A,2362, vs graft (%) was set up This method has shown its own advantages for accurate and convenient determination of monomer content in the PTFE-ST radiation graft copolymer

关键词

聚四氟乙烯苯乙烯辐射接枝共聚物红外光谱定量方法红外光谱法

Keywords

PolytetrafluoroethyleneStyreneGraft copolymerQuantitative method by infrared spectroscopyInfrared spectroscopy

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