Effect of Molecular Weight on Phase Diagram of Epoxy/Polyetherimide-Siloxane Blends

Abstract:

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The cloud points of blends epoxy/polyetherimide-siloxane (PEI-Siloxane) without or with curing agent methyl tetrahydrophthalic anhydride (Me-THPA) after different curing time (1min, 2min, 3min) at 150oC were determined by optical microscope. The cloud point curve for uncured and cured after different time was then obtained from the experimental results with different composition. The effects of molecular weight of epoxy on phase diagram were discussed. The miscibility of blends will be taken into account in the toughing of epoxy resins by thermoplastic PEI-Siloxane copolymer later.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

1127-1131

DOI:

10.4028/www.scientific.net/AMR.189-193.1127

Citation:

X. Y. Li et al., "Effect of Molecular Weight on Phase Diagram of Epoxy/Polyetherimide-Siloxane Blends", Advanced Materials Research, Vols. 189-193, pp. 1127-1131, 2011

Online since:

February 2011

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$35.00

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