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Compatibilization of PS/PI Blends for Enhanced Physical Properties

This study focuses on the compatibilization of polystyrene (PS) and polyimide (PI) blends to achieve desirable physical properties. The approach utilizes a PS/PI copolymer with reactive end groups (telechelics) to enhance miscibility. Methods include melt mixing homopolymers with reactive end group polymers, followed by analysis of conversion extent, miscibility, and physical properties through techniques such as Gel Permeation Chromatography (GPC), Transmission Electron Microscopy (TEM), Dynamic Mechanical Analysis (DMA), and Instron testing.

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Compatibilization of PS/PI Blends for Enhanced Physical Properties

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    1. Compatiblization of PS/PI Blends Earl Ashcraft University of Tennessee 21 Jul 05

    2. Intro: Polymer Blends Goal: Blend immiscible PS and PI to obtain desired physical properties Approach: Use PS/PI copolymer made with reactive end groups (telechelics) Method: Melt mix homopolymers with reactive end group polymers Analyze extent of conversion, miscibility, and physical properties using GPC, TEM, DMA, and Instron

    3. Intro: Polymer Blends

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