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International Progress In Urethanes: Volume 3
Isocyanate is obtained form the the reaction of amine with trichloromethyl chloroformate by simple heating these two reagents in toluene. This offers a conventient new method for synthesizing isoanate from amine. A new method to prepare unsaturated polyurethanes from, 1,4 dicchloro-2- butene sodium cynate and glkycol is described.
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