Condensation products of urea, monoalkyl urea, formaldehyde, and monohydric aliphaticalcohol

Claim 1

IN THE MANUFACTURE OF IMPROVED THERMOSETTABLE CONDENSATION PRODUCTS OF TH UREA-FORMALDEHYDETYPE, THE PROCESS COMPRISING BLENDING TOGETHER A PRODUCT OBTAINED BY HEATING IN THE PRESENCE OF A CATALYST, A MIXTURE COMPRISING A MONOALKYL UREA CONTAINING FROM 4 TO 12 CARBON ATOMS IN THE ALKYL RADICAL, AT LEAST AN EQUAL WEIGHT OF AN UNSUBSTITUTED SATURATED MONOHYDRIC ALIPHATIC ALCOHOL CONTAINING FROM 3 TO 8 CARBON ATOMS AND FORMALDEHYDE, WITH A SECOND PRODUCT OBTAINED BY HEATING, IN THE PRESENCE OF A CATALYST, UREA, AT LEAST AN EQUAL WEIGHT OF AN UNSUBSTITUTED SATURATED MONOHYDRIC ALIPHATIC ALCOHOL CONTAINING FROM 3 TO 8 CARBON ATOMS AND FORMALDEHYDE, THE PROPORTION OF SAID FIRST PRODUCT TO SAID SECOND PRODUCT IN THE BLEND BEING LESS THAN THAT REQUIRED TO PROVIDE A 7:3 WEIGHT RATIO OF ALKYLUREA TO UREA ENTERING INTO THE TWO PRODUCTS OF THE BLEND, BUT SUFFICIENT TO IMPART A DESIRED DEGREE OF PLASTICIZATION TO THE THERMOSET RESIN DERIVABLE FROM SAID BLEND UPON HEATING.