Preparation and Simulation of Gradient Refractive Index Polymer Rod by Interfacial-gel Polymerization

Abstract

Abstract: A gradedient refractive index(GI) polymer rod was prepared by interfacialgel polymerization, in which the polymerization was performed in a PMMA tube and bromobenzene(BB) was used as a higher refractive index molecule. By decreasing the reaction temperature to 60—70 ℃, and in the early stage of the reaction, gas in the reaction mixture under vacuum could be easily overflowing from it, in the later stage, the reaction mixture under a high pressure was compressed and the defects of voids or bubbles of the GIpolymer rod were decreased. By using the new technology, a GIpolymer rod, without any defect of void or bubble, was made. Adetailed mechanism of gradedient refractive index formation was given and simulated according to the Vrentas-Duda free volume theory.

Key words: Gradedient refractive index, Polymer rod, Interfacial-gel polymerization, Simulation

CLC Number:

O631

TrendMD:

CHU Jiu-Rong, XU Chuan-Xiang, WEN Xu-Ming, WANG Shou-Tai . Preparation and Simulation of Gradient Refractive Index Polymer Rod by Interfacial-gel Polymerization[J]. Chem. J. Chinese Universities, 2002, 23(3): 500.

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Preparation and Simulation of Gradient Refractive Index Polymer Rod by Interfacial-gel Polymerization

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