发明授权
US4787910A Condensation products and processes for the after-treatment of dyed polyamides 失效
染色聚酰胺后处理的冷凝产品和工艺

Condensation products and processes for the after-treatment of dyed
polyamides
摘要:
Condensation products of alkylenediamines of the formulaH.sub.2 N--C.sub.n H.sub.2n --NH.sub.2 I,in whichn represents 4-10,and an epihalogenohydrin or 1,3-dihalogeno-2-hydroxypropane are used for the after-treatment of natural and synthentic fibre materials which are dyed with anionic dyestuffs and contain polyamide groups.
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