POLYMERIC CATALYSTS FOR POLYCONDENSATION PROCESSES.

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作者：
Akutin, M.S.
Tagil'tseva, N.B.
Tarakhtunov, O.A.
Khviler, V.P.
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Soviet Plastics (English translation of Plasticheskie Massy) | 1972年 / 10期
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摘要：
The investigation relates to the use of polymeric catalysts for the condensation of urea with formaldehyde in an aqueous solution. These catalysts were carboxylic cationites in the form of Zn-compound. The products obtained on these catalysts are of high molecular weight, high water resistance and high heat stability, and are recommended as molding materials.
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