Assertion: paper | /r/CapableOf | become brittle
Facets:
value: at higher temperatures
type: TEMPORAL
value: over time
type: TEMPORAL
Source sentences:
text: Mechanical pulping does not remove the lignin, so the yield is very high, > 95%; however, lignin causes the paper thus produced to turn yellow and become brittle over time.
text: The lignin causes the paper to become brittle and yellow when exposed to air or sunlight.
text: At higher temperatures, the paper will become brittle and will start to turn dark brown.