The quaternary ammonium saltpolymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.
利用季铵盐的固色原理，将二甲基二烯丙基氯化铵与丙烯酰胺的聚合物pda应用于绒面革固色。
2
Salts are enriched around electriferous groups of polymer molecules in solution, which formed a salt concentration gradient.
溶液中的盐份富集在聚合物分子的带电基团附近，并形成盐浓度梯度分布。
3
Anticorrosion: the material for polymer, can completely prevent acid and alkali salt of erosion.