The excess amine is employed to selectively neutralize by-product acid as the aminesalt.
使用该过量的胺将副产物酸选择性中和为胺盐。
2
Main compositions: double strands quaternary aminesalt, solubilizing agent, softener and natural antibacterial essential oil.
主成份:新型无毒抗菌剂双链季胺盐、增溶剂、柔软剂、天然抗菌芳香精油。
3
Polyimide foams were prepared from poly(ester-aminesalt) precursor powder through a foaming process, using aromatic dianhydride and diamine as monomers.