styrene vs vinyl resin

styrene and vinyl resin both are nouns.

Word	Noun	Adjective	Verb	Adverb
styrene	Yes	No	No	No
vinyl resin	Yes	No	No	No

As nouns, vinyl resin is a hypernym of styrene; that is, vinyl resin is a word with a broader meaning than styrene:

styrene: a colorless oily liquid; the monomer for polystyrene
vinyl resin: a thermoplastic derived by polymerization from compounds containing the vinyl group

Other hypernyms of styrene include polyvinyl resin, vinyl polymer.

styrene (noun)	vinyl resin (noun)
a colorless oily liquid; the monomer for polystyrene	a thermoplastic derived by polymerization from compounds containing the vinyl group