SUEDED ARTIFICIAL LEATHER EXCELLENT IN COLOR FASTNESS TO RUBBING AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To produce a sueded artificial leather excellent in color fastness to rubbing, color fastness to washing and resistance to color migration at high temperatures and good in fuzzy feeling. SOLUTION: A sueded artificial leather comprising an entangled nonwoven fabric comprising ul...

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Bibliographic Details
Main Authors AKAMATA KAZUTO, NAKAJIMA HITOSHI
Format Patent
LanguageEnglish
Published 10.08.1999
Edition6
Subjects
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Summary:PROBLEM TO BE SOLVED: To produce a sueded artificial leather excellent in color fastness to rubbing, color fastness to washing and resistance to color migration at high temperatures and good in fuzzy feeling. SOLUTION: A sueded artificial leather comprising an entangled nonwoven fabric comprising ultrafine fibers having <=0.1 denier average single fiber fineness and a polymer consisting essentially of a polyurethane is dyed with at least one kind of dye selected from the group consisting of a sulfur dye, a vat dye and a sulfurized vat dye and a copolymer comprising a polyalkylene glycol, an aliphatic diisocyanate and an N-alkyldiethanolamine and having 3,000-30,000 average molecular weight is applied to the sueded artificial leather.
Bibliography:Application Number: JP19980012555