Metal hydroxides like aluminium trihydroxide (ATH) or magnesium dihydroxide (MDH) are commonly used halogen-free flame retardants in polyolefins.

金属氧化物如氢氧化铝（ATH）或氢氧化镁（MDH）是常的无卤阻燃体系。

There are currently no exemptions for these brominates flame retardants except Deca-BDE. And Deca-BDE is under consideration by European Commission.

除了十溴联苯醚以外无豁免，十溴联苯醚正在重新评估之中。

The paper introduced the synthetic process of the flame retardant and lubricant Melamine Cyanurate Acid(MCA),which was prepared by Melamine and Cyanurate Acid.

介绍了三聚氰胺和氰尿酸合成阻燃润滑———三聚氰胺氰尿酸盐(MCA)的工艺。

In this paper, bromized polystyrene flame retardant was synthesized by electrophilic substitution of waste polystrene with bromine using aluminium ehlorid as catalyst.

三氯化铝催化,废聚苯乙烯与溴发生亲电取代反应合成溴化聚苯乙烯阻燃。

Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.

四溴双酚A、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂，其阻燃性能良好。

Synthetic method of phosphoretted fire retarding agent - YHD was researched.The property and application technique together with its application result of flame retardant YHD were mentioned here.

探讨了磷系阻燃整理YHD的合成工艺.并对其基性能、应技术和使效果了介绍。