Synonyms: diethenyl-benzenpolymerwithethenylethylbenzene;POLY(4-ETHYLSTYRENE-CO-DIVINYLBENZENE);Divinylbenzene,ethylvinylbenzenecopolymer;Benzene,diethenyl-,polymerwithethenylethylbenzene;PORAPAK Q (100-120 MESH ASTM) FOR GC;PORAPAK(R) Q;Porapak Q;PORAPAK Q (80-100 MESH ASTM) FOR GC;copolymer of ethylstyrene and divinylbenzene;