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发明公开
CN107841038A 耐蚀聚乳酸复合生物膜载体材料及其制备方法 无效 - 撤回

耐蚀聚乳酸复合生物膜载体材料及其制备方法
摘要：
本发明提供了一种耐蚀聚乳酸复合生物膜载体材料，其由下列重量份的原料制成：硅藻土8～10、聚乳酸14～18、氧化石墨烯0.3～0.4、木薯淀粉4～6、阿拉伯胶2～3、聚丙烯40～50、壳聚糖8～12、凹凸棒土3～5、三甲基十六烷基溴化铵1～2、硅溶胶0.5～1.5、腐植酸钠0.3～0.5、水15～20。本发明还提供一种上述耐蚀聚乳酸复合生物膜载体材料的制备方法。本发明提供的上述耐蚀聚乳酸复合生物膜载体材料具有重量轻，表面活化面积大，富含碳源，环境温度变化对吸附性能影响小，用其制作的填料具有流动性好、不易结团、吸附性能好、耐腐蚀、持久高效等优点，进一步提升了水质净化效果。
摘要（英）：

The present invention provides a corrosion-resistant polylactic acid composite biofilm carrier material, which is prepared from the following raw materials by weight: 8-10 parts of diatomaceous earth,14-18 parts of polylactic acid, 0.3-0.4 part of graphene oxide, 4-6 parts of cassava starch, 2-3 parts of gum arabic, 40-50 parts of polypropylene, 8-12 parts of chitosan, 3-5 parts of attapulgite, 1-2 parts of hexadecyl trimethyl ammonium bromide, 0.5-1.5 parts of silica sol, 0.3-0.5 part of sodium humate, and 15-20 parts of water. The invention further provides a preparation method of the corrosion-resistant polylactic acid composite biofilm carrier material. According to the present invention, the corrosion-resistant polylactic acid composite biofilm carrier material has advantages of light weight, large surface activation area, rich carbon source and low influence of environmental temperature change on adsorption performance; and the filler prepared from the corrosion-resistant polylactic acid composite biofilm carrier material has advantages of good fluidity, less agglomeration, good adsorption performance, corrosion resistance, duration, high efficiency and the like so as to further improve the water purification effect.

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