采用臭氧处理聚丙烯微孔膜,在其表面引入过氧化物,然后通过过氧化物的分解引发丙烯酸单体在微孔膜表面接枝.研究了臭氧处理条件、接枝反应条件对聚丙烯微孔膜的接枝率、亲水性及溶胀性的影响.研究结果表明,丙烯酸接枝微孔膜与水的接触角随接枝率的增加而逐渐下降,吸水率随接枝率的增加而呈线性增加趋势,表现出良好的亲水性与溶胀性.
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