发明授权
US3945794A Production of level dyeings on acrylonitrile polymer fibers with basic dyes 失效
用碱性染料生产丙烯腈聚合物纤维上的水平染色

Production of level dyeings on acrylonitrile polymer fibers with basic
dyes
摘要:
Acrylonitrile polymer fibers are dyed level shades with basic dyes using as leveling agent a quaternary ammonium salt containing two or three benzyl groups as nitrogen ligands.
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