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Two=stage air-drying modified amino resin or aminoplast prodn. - giving a product of improved film-forming properties
Two=stage air-drying modified amino resin or aminoplast prodn. - giving a product of improved film-forming properties
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机译:两段=风干改性氨基树脂或氨基塑料制品。 -提供具有改善的成膜性能的产品
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摘要
Aminoplasts or amino resins are made by copolycondensing the dialkyl ether (I) of the dimethylol deriv. of a cpd. contg. 2 primary amido gps. (or equiv. gps) and an autooxidative gp.-contg. cpd. (II) or polycondensing (I) and then reacting with (II) and removing the alcohol released from the system. Pref. (I) include bis(m)ethoxymethylene urea and bismethoxymethylene benzoguanidine. Pref. (II) is trimethylolpropane diallyl ether.
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