Assertion: fluorine | /r/AtLocation | polydifluorodichloroethylene
Facets:
Source sentences:
text: The fluorine is preferably on the polymer backbone such as polytetrafluoroethylene, polytrifluoromonochloroethylene, polydifluorodichloroethylene, polytrichloromonofluoroethylene, or polytrifluoroethylene.