Assertion: hydrazine | /r/ObjectUse | used as a polymerization catalyst
Facets:
value: in the production of spandex fibers
type: PURPOSE
Source sentences:
text: It is used as a polymerization catalyst and a chain extender in urethane coatings.
text: It is also used as a propellant on board space vehicles, as polymerization catalyst in the production of spandex fibers, and as heat stabilizers.
text: It is used as a polymerization catalyst and a chain extender in urethane coatings.