Assertion: added urea | /r/HasProperty | monomeric methylols
Facets:
Source sentences:
text: In the UF-resin itself, different chemical species are present: • Free formaldehyde, which is in steady state equilibrium with the remaining methylol groups and the post-added urea • Monomeric methylols, which have been formed mainly by the reaction of the post-added urea with the high content of free formaldehyde at the still high molar ratio of the acid condensation step • Oligomeric methylols, which have not reacted further in the acid condensation reaction or which have been formed by the above-mentioned post-added urea reaction • Molecules with higher molar masses, which are resin molecules in the closer sense of the word.
text: In the UF-resin itself, different chemical species are present: • Free formaldehyde, which is in steady state equilibrium with the remaining methylol groups and the post-added urea • Monomeric methylols, which have been formed mainly by the reaction of the post-added urea with the high content of free formaldehyde at the still high molar ratio of the acid condensation step • Oligomeric methylols, which have not reacted further in the acid condensation reaction or which have been formed by the above-mentioned post-added urea reaction • Molecules with higher molar masses, which are resin molecules in the closer sense of the word.