系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.
本实验采用环氧树脂、有机仲胺、聚酰胺和封闭异氰酸酯为主要原料，合成了固体分在70%的阳离子型环氧聚合物树脂；
An epoxy resin, an organic secondary amine, a polyamide and a blocked isocyanate are selected as main materials to synthesize polymer resin with solid content of 70%.
采用苯甲酸改性的醇酸树脂和混合醚化的三聚氰胺甲醛树脂为基料，配以适量的锤纹助剂制成高固体分低温快干型氨基锤纹漆。
The high-solid fast drying amino hammer paint is prepared with benzoic acid modified alkyd resin and etherified melamine-formaldehyde resin as binder, hammering agent and other components.
应用推荐