Laser dye diffusion in polymer solutions studied by spectrophotometry

被引：4

作者：

Marigoudar, P

Lagare, MT

Mallikarjuna, NN

Aminabhavi, TM ^{[1
]}

机构：

[1] Karnatak Univ, Ctr Excellence Polymer Sci, Dharwad 580003, Karnataka, India

[2] Vijayanagar Coll, Dept Phys, Hospet 583201, India

[3] Gulbarga Univ, Dept Phys, Gulbarga 585106, India

[4] Gen Elect Corp R&D Ctr, Mat Res Lab, Bangalore 560066, Karnataka, India

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2004年 / 93卷 / 03期

关键词：

diffusion coefficient; polymer solution; laser dyes; Fick's law; Beer-Lambert law;

D O I：

10.1002/app.20558

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A mathematical approach based on the combined application of Fick's law of diffusion and the Beer-Lambert law was used to measure the diffusion coefficient of dyes viz., coumarin 515 [3-(1-methylbenzimidazol-2-yl)-7-diethylaminocoumarin], POPOP [1,4-bis (5-phenyloxazolyl-2-yl) benzene], and exalite 416 {1,1, 1',1'-tetra ethyl -5,5'-diparaanisyl-[2,3:5,6] diindanobenzene} in solutions of polystyrene and poly(methyl methacrylate) in 1,4-dioxane. Diffusion data agreed well with the published results obtained using other techniques. (C) 2004 Wiley Periodicals, Inc.

引用

页码：1157 / 1165

页数：9

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