3.Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.
本文研究穗中提取回收聚乙所需的柠檬,其方法是溶剂萃取。
4.Results indicate interestingly that the double bond of GMA polymerized with polystyryl carbanion and the molar ratio of epoxy end group and polystyrene oligomer can be adjusted.
5.In this paper, bromized polystyrene flame retardant was synthesized by electrophilic substitution of waste polystrene with bromine using aluminium ehlorid as catalyst.
本文利用三氯化铝作催化剂,废聚乙与溴发生亲电取代反应合成溴化聚乙阻燃剂。
6.The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.