Assertion: urea | /r/AtLocation | glyoxal
Facets:
value: to form the resin
type: PURPOSE
Source sentences:
text: For use in the textile field, urea as the coreactant present in a solid urea-glyoxal product is preferred over an inorganic salt because urea is added to glyoxal and formaldehyde to form the resin used in permanent press applications.