标定共聚物的组成

IF 0.8 4区化学 Q4 SPECTROSCOPY

Spectroscopy Pub Date : 2023-06-01 DOI:10.56530/spectroscopy.xy2066v8

F. Adar

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引用次数: 0

摘要

在与野田Isao Noda的合作中，我一直在使用拉曼光谱研究生物塑料聚羟基丁酸己酸酯(PHBHx)的特性，这取决于己酸酯的百分比(它会在聚合物链上产生丙基侧分支)。己酸盐的百分比决定了聚合物可以经历的最大结晶度，这决定了它的物理和化学性质，包括它的光学清晰度、可塑性、柔韧性和热性质(熔化和玻璃化转变温度)。有一种简单的方法来确定组成是有用的;在本专栏中，我们描述了如何使用拉曼光谱来证明这是可行的，其精度高于预期。

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Calibrating the Composition of a Copolymer

In collaboration with Isao Noda, I have been using Raman spectroscopy to study the properties of the bioplastic polyhydroxybutyrate hexanoate (PHBHx), which depend on the percentage of hexanoate (which produces propyl side branches to the polymer chain). The percentages of hexanoate determine the maximum crystallinity that the polymer can experience, and that determines its physical and chemical properties, which include its optical clarity, dyability, flexibility, and thermal properties (melting and glass transition temperature). It is useful to have an easy way to determine the composition; in this column, we describe how Raman spectroscopy was used to show that this is feasible at an accuracy greater than expected.

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来源期刊

Spectroscopy 物理-光谱学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Spectroscopy welcomes manuscripts that describe techniques and applications of all forms of spectroscopy and that are of immediate interest to users in industry, academia, and government.