1·The gold-adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.
研究了侧链含羧基的聚乙烯醇胺肟螯合纤维吸附金的性能。
2·Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
通过大分子反应,合成了一类主链带羧基、磺酸基,支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
3·Carboxylic crosslinked polystyrene microsphere was prepared by F-C acylation reaction.
通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球。
4·Carboxylic amphoteric starch paste had better stability against acid and alkali, shearing and better freeze-thaw stability, higher clarity.
羧基型两性淀粉的糊液抗酸碱、剪切的能力较原淀粉明显提高,透明度及冻融稳定性较原淀粉也有显著提高。
5·Analyzed characteristics were the PEO side chain length, the degree of backbone polymerization, the composition of functional groups such as carboxylic and sulfonic groups, and the purity of polymers.
主要剖析的特性为:聚氧化乙烯(PEO)支链的长度,主链聚合的水平,各功用组如羧基组和磺酸基组的成分以及聚合物的纯真度。