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    • 3. 发明授权
    • Heat transfer printing of natural silk substrates
    • 天然丝绸基材的热转印
    • US4636223A
    • 1987-01-13
    • US719498
    • 1985-04-04
    • Wolfgang MehlAlbert Amon
    • Wolfgang MehlAlbert Amon
    • D06P5/00D06L3/12D06P5/28B41M5/02
    • D06P5/005D06L3/1257Y10S8/917
    • When silk fabrics, pre-treated with swelling agents, are printed by heat transfer techniques, the fabric will yellow. The invention eliminates yellowing by pre-treating said silk fabrics with a liquid or solid impregnating agent, dissolved or dispersed in water, then drying the fabric, and adding before, during or after the pre-treating an optical brightening agent of the type normally used for polyester.The impregnating agent can alternatively be applied to the fabric in a water-free condition before or during dyestuff transfer, and an optical brightener may be added.It is further contemplated to use easily migrating dyestuffs which are transferred to the fabric at relatively very low temperatures, and to avoid dyestuff migration by pre-treating the silk fabric with solid impregnating agents.All these techniques produce deep and brilliant shades; the prints have excellent fastnesses.
    • 当用膨胀剂预处理的丝织物通过热转印技术印刷时,织物将变黄。 本发明通过用溶解或分散在水中的液体或固体浸渍剂预处理所述丝织物,然后干燥织物,并在预处理之前,期间或之后加入通常使用的类型的荧光增白剂,从而消除黄化 用于聚酯。 可替代地,浸渍剂可以在染料转移之前或期间在无水条件下施加到织物上,并且可以加入荧光增白剂。 进一步考虑使用易于迁移的染料,其在相对非常低的温度下转移到织物中,并且通过用固体浸渍剂预处理丝织物来避免染料迁移。 所有这些技术都会产生深刻而辉煌的色彩; 印刷品具有优异的牢度。