Assertion: polymer's bond | /r/HasProperty | broken
Facets:
Source sentences:
text: Once the carbon double bonds in tetrafluoroethylene (C 2 F 4 ) are broken, they form the polymer known as Teflon, used in the coatings of cooking utensils, as well as in electrical insulation and bearings.
text: Cross-linked polymers, on the other hand, cannot re-bond after the cross-linked bond between molecules is broken.