The effects of impurities such as phenylethyne, polymer and methyl styrene on particle diameter of polystyrene manufactured by suspension polymerization were analyzed .
研究了苯乙烯中苯乙炔、聚合物和甲基苯乙烯三种杂质对悬浮法聚苯乙烯粒径的影响。
The possibility of preparing p-methyl styrene from p-ethyltoluene by dehydrogenation on iron oxide catalyst originally used for dehydrogenation of ethyl benzene was studied.
探讨了乙苯脱氢的氧化铁系催化剂用于对乙基甲苯脱氢制取对甲基乙烯的可能性。
These colored compounds can be homopolymerized and copolymerized with most vinyl monomers such as styrene, methyl methacrylate and acrylonitrile, to give the corresponding colored polymers.
这些化合物能均聚反应，亦易与苯乙烯、甲基丙烯酸甲酯及丙烯腈等乙烯类单体共聚合，得有色的高聚物。
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