研究了磷酸对聚丙烯腈基低温碳材料的改性作用。
Modification function of phosphoric acid to low temperature carbon based on polyacrylonitrile was investigated.
为了有效地处理含重金属离子的废水，制备了改性聚丙烯腈纤维吸附剂。
Modified acrylic fiber adsorbent was prepared for the efficient treatment of the electroplating wastewater containing heavy metallic ions.
以聚丙烯腈纤维为原料，加入羟胺试剂，将腈基转变为偕胺肟基团，使聚丙烯腈纤维改性成含有偕胺肟基团的螫合纤维。
Polyacrylonitrile fiber was modified into a chelating fiber containing amidoxime group by adding hydroxylamine, resulting from that nitrile group was transformed into amidoxime group.
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