Assertion: polymer's chain | /r/HasProperty | branched
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Every molecule in a hydrocarbon is built upon a "skeleton" of carbon atoms, either in closed rings or in long chains, which are sometimes straight and sometimes branched.
text: Polymers are not always straight chains of regular repeating monomers; sometimes, they consist of chains of varying length, or even chains that branch in multiple directions.
text: Different catalysts are used to make polymers that possess different properties, with varying sizes of molecules, and in chains that may be linear, branched, or cross-linked.