Assertion: styrene acrylonitrile | /r/HasProperty | the plastics phase
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Source sentences:
text: Now such materials are commonly made by polymerizing styrene and acrylonitrile onto polybutadiene (contained in a polybutadiene latex): the resultant grafted polybutadiene phase (the rubbery phase) is then melt compounded with styrene acrylonitrile (SAN) which is the plastics phase.