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Miscibility of Polynorbornene/Poly(styrene-co-hydroxystyrene) Binary Blend Based on Hydrogen-Bonding Interaction

✍ Scribed by Shimon Tanaka; Haruo Nishida; Takeshi Endo

Book ID
102487656
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
225 KB
Volume
210
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

The miscibility and hydrogen bonding interaction of polynorbornene (PNB)/poly(styrene‐co‐hydroxystyrene) (PST‐HST) binary blends were investigated by differential scanning calorimetry and Fourier transform infrared (FT‐IR) spectroscopy. PNB was found to be miscible with PST‐HSTs containing HST unit compositions of 5, 10, 20, and 28 mol‐%, showing a single glass transition, whereas it was immiscible with polystyrene, exhibiting two glass transitions. The hydrogen bonding interaction between the hydroxyl group of PST‐HST and the carbonyl group of PNB was revealed by FT‐IR spectroscopy and plays a key role in the miscibility of PNB/PST‐HST blends.

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