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    • 2. 发明授权
    • Method for treating wool
    • 羊毛处理方法
    • US2663616A
    • 1953-12-22
    • US23590751
    • 1951-07-09
    • CIBA LTD
    • GEORG SULZER
    • D01C3/00D06L3/06
    • D01C3/00D06L4/20
    • The felt- or shrink-proofing of wool by aqueous solutions containing chlorine or hypochlorous acid or a salt thereof is carried out in the presence of a water-soluble methylol melamine or a water-soluble alkylated methylol melamine, especially methylated methylol melamine. In an example (all parts by weight) 33 parts of wool yarn are wetted and impregnated for 30 minutes at 16 DEG C. in a bath containing 2 parts of methylated methylol melamine, 0.8 parts of 30 per cent hydrochloric acid, 0.6 parts of 99 per cent sulphuric acid and 0.8 parts active chlorine as Javelle water per 1000 parts of water. It is then rinsed, dechlorinated with sodium bisulphite, rinsed again and dried at 70 DEG C. Specifications 482,656, 550,541 and 560,284 are referred to.
    • 含有氯或次氯酸或其盐的水溶液对羊毛进行毛毡或防缩,在水溶性羟甲基三聚氰胺或水溶性烷基化羟甲基三聚氰胺,特别是甲基化羟甲基三聚氰胺存在下进行。 在一个实施例(全部重量份)中,将33份羊毛润湿并在16℃浸渍30分钟,在含有2份甲基化羟甲基三聚氰胺,0.8份30%盐酸,0.6份99 百分之几的硫酸和0.8份活性氯作为Javelle水/ 1000份水。 然后将其漂洗,用亚硫酸氢钠脱氯,再次冲洗并在70℃下干燥。参考482,656,55,541和560,284。