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Improvement of perspiration fastness of some herbal dyes

机译：改善某些草药染料的耐汗牢度

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Cotton material dyed with the fresh leaf dye obtained from Anthocephalus cadamba Miq, Manilkara zapota (L) Van Royen, Muntingia calabura L., Syzygium cumini L., Sterculia foetida L., Terminalia arjuna (Roxb.) W. & A., dry leaf dye of Gmelina arborea L., Mentha spicata L and dry bark dye of Peltophorum pterocarpum (DC.) Backer ex Heyne and Thespesia populnea L. were studied for their fastness properties. All of them had very good to excellent fastness properties for light, rubbing and washing but perspiration fastness was poor. Alkaline perspiration fastness was better in bark dyes than leaf dyes. Using the inorganic substance like copper with urea formaldehyde (U.F.) resin as finishing agent, perspiration fastness was improved from poor to excellent.
机译：棉质材料，用新鲜的叶染料染色，得自干燥的干花苜蓿（Anthocephalus cadamba Miq，Manilkara zapota（L）Van Royen，Muntingia calabura L.，Syzygium cumini L.，Sterculia foetida L.，Terminalia arjuna（Roxb。）研究了Gmelina arborea L.，薄荷（Mentha spicata L）的叶染料以及Peltophorum pterocarpum（DC。）Backer ex Heyne和Thespesia populnea L.的牢度特性。它们都具有很好的耐光，摩擦和洗涤牢度性能，但是汗渍牢度很差。树皮染料的碱性汗渍坚牢度优于叶子染料。使用像铜这样的无机物质和脲醛（U.F.）树脂作为整理剂，汗渍牢度从差改善到了极好。

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