溶解
结晶度
分散性
材料科学
傅里叶变换红外光谱
聚合物
吞吐量
聚苯乙烯
重量分析
化学工程
分析化学(期刊)
色谱法
高分子化学
化学
复合材料
计算机科学
有机化学
工程类
电信
无线
作者
Ying Zhang,Surya K. Mallapragada,Balaji Narasimhan
标识
DOI:10.1002/marc.200900578
摘要
Abstract The dissolution behavior of polystyrene (PS) in biodiesel was studied by developing a novel high throughput approach based on Fourier‐transform infrared (FTIR) microscopy. A multiwell device for high throughput dissolution testing was fabricated using a photolithographic rapid prototyping method. The dissolution of PS films in each well was tracked by following the characteristic IR band of PS and the effect of PS molecular weight and temperature on the dissolution rate was simultaneously investigated. The results were validated with conventional gravimetric methods. The high throughput method can be extended to evaluate the dissolution profiles of a large number of samples, or to simultaneously investigate the effect of variables such as polydispersity, crystallinity, and mixed solvents. magnified image
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