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Journal Textile Coloration and Finishing
Year / Vol.,
Issue, Month
2018 / V.30,no.4,Dec
Title Study on the Improvement of the Fastness of Dyeing for Environmentally Synthetic Suede Using Silica Particles
Authors Hye Mi Lee, Ah Rong Kim and Dae Geun Kim*
Institution/Affiliations Korea Dyeing and Finishing Technology Institute(DYETEC)
Pages/Total page pp.275 ~ 287 / 13
Language Korean
Abstract Abstract In recent years, research on the development of eco-friendly synthetic suede based on water-dispersed polyurethane resin and non-fluorine water repellent has been conducted. Synthetic suede has a problem that the fastness to dyeing is greatly lowered after the water-repellent processing at a high temperature of 160¡Ébecause the polyester is dyed with a disperse dye. Therefore, in this study, silica was added to water-dispersed polyurethane resin to improve dye fastness. To distribute the PUD-SiO2 mixture evenly in the water-dispersed polyurethane resin, sufficient stirring was done for a period of time. When the PUD-SiO2mixture(PUD 1-5%) is applied to the substrate, it is confirmed through SEM that the mixture is uniformly applied without particle condensation. The results showed that silica with a diameter of 4~12nm and BET of 200~380g/m2 had the ability to improve dispersibility and fastness.
Keywords Keywords environmentally synthetic suede, polyurethane dispersion, dip-coating, nonfluorinated water repellent, silica
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Reference http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2018_v30n4_275&ordernum=

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