Assertion: watersoluble methylol urea | /r/CapableOf | comprise adjusting between 75 and 90 c.
Facets:
value: by heat
type: CAUSE
value: at a temperature
type: OTHER
Source sentences:
text: A process for the preparation of a watersoluble methylol urea from normally solid 75 to 90% formaldehyde which comprises adjusting at a temperature between 75 and 90 C. a 75 to 90% formaldehyde, rendered fluid by heat, to a pH value between 7.2 and 8.5, thereafter adding urea, controlling the resulting reaction below 70 C. and recovering water-soluble methylol urea as a solid.