SYNTHESIS AND CHARACTERIZATION OF URETHANE - METHACRYLATES .1.

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作者：
VARMA, IK
KRISHNAN, PSG
CHOUDHARY, V
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JOURNAL OF THERMAL ANALYSIS | 1990年 / 36卷 / 7-8期
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O414.1 [热力学];
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摘要：
The paper describes the synthesis of urethane methacrylate resins by reaction of tolylene diisocyanate (TDI), butanol-1 (B) and 2-hydroxyethylmethacrylate (HEMA) by a two step procedure. Characterisation was done using FT-IR, FT-NMR, Mass Spectroscopy. The effect of temperature on the UV-curing behaviour was investigated by differential photocalorimetry. An activation energy of 8.4 kJ/mole was found in the temperature range of 50-100-degrees-C. Free radical polymerisation in presence of benzoyl peroxide was also investigated. The polymers were stable upto 200-degrees-C in N2 atmosphere. A two step decomposition was observed in the temperature range of 200-500-degrees-C.
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页码：2611 / 2622
页数：12
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