The Synthesis of SML Hyper-Dispersant and Its Application in Composite

Mechanism of powder modified by hyper-dispersant was introduced in this paper and synthesized the SML hyper-dispersant.Activation index of modified calcium sulphate powder was investigated,and discussed the effect of SML hyper-dispersant on mechanics property of PE/calcium sulphate composite.Finally,the broken surface of specimen was observed with SEM.The results show that: SML hyper-dispersant excells the F-2 dispersant,when the amount of modifier is 3%,the activation index reaches 97% and the tensile strength,impact strength and flexural strength of composite enhances 28.7%,20.7%,4.9%,respectively.