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利用干法改性的工艺对氢氧化镁进行改性处理,先在110℃的环境下,将500 g的氢氧化镁进行10 h干燥,将氢氧化镁完全变成粉体以后,再将得到的粉体加入到高速混合机中,然后再将另外一份一定量硬脂酸镁分成两等分,之后按照5 min一次的速度将硬脂酸镁分成两次加入,在高速搅拌机中将Mg(OH)_2粉体改性10 min、20 min、30 min、1 h、2 h、3 h等不同的时间后,取出在这些时间下进行改性后得到的不同的样本。对体系进行氢氧化镁活化指数(H)的测定试验、拉伸强度测试试验、冲击强度测试试验、极限氧指数(LOI)试验、硬脂酸镁改性氢氧化镁正交试验与因素分析、氢氧化镁/聚乙烯共混体系的研究和热分析。
The method of dry modification was used to modify the magnesium hydroxide. First, 500 g of magnesium hydroxide was dried at 110 ° C. for 10 h, then the magnesium hydroxide was completely converted to powder, and then the Of the powder was added to the high-speed mixer, and then a certain amount of another portion of magnesium stearate divided into two equal parts, followed by 5 min once the speed of magnesium stearate was added twice, in a high-speed mixer will Mg (OH) 2 powders were modified for 10 min, 20 min, 30 min, 1 h, 2 h, 3 h, etc. Different samples were obtained after modification at these times. The magnesium hydroxide activation index (H) measurement test, tensile strength test, impact strength test, limit oxygen index (LOI) test, magnesium stearate modified magnesium hydroxide orthogonal test and factor analysis, Study and Thermal Analysis of Magnesium Hydroxide / Polyethylene Blends.