发明名称 |
METHOD FOR PRODUCING NUBUCK-TONED ARTIFICIAL LEATHER |
摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a nubuck-toned artificial leather having a combination of nubuck-toned down touch and natural leather-toned fine wrinkle touch. SOLUTION: The method for producing the nubuck-toned artificial leather comprises the following process: in such a base material that a polymeric elastomer is incorporated in a nonwoven fabric made by interlacedly unifying web comprising extrafine fibers (a) with an average single fiber fineness Da of 0.0001-0.004 dtex and web comprising extrafine fibers (b) with the average single fiber fineness Db meeting the relationship: 0.0001<Da/Db<1, the surface of the web comprising the extrafine fibers (a) is subjected to raising treatment; and the resultant base material is charged once into a water bath at 40°C or lower followed by raising the temperature of the water bath to 60°C or higher at a rate of 2°C/min or less and then making a relaxation treatment at 60°C or higher for 60 min or longer. COPYRIGHT: (C)2007,JPO&INPIT
|
申请公布号 |
JP2007204863(A) |
申请公布日期 |
2007.08.16 |
申请号 |
JP20060022719 |
申请日期 |
2006.01.31 |
申请人 |
KURARAY CO LTD |
发明人 |
YASUDA YOSHIAKI;NOBUTO YOSHIKI |
分类号 |
D06N3/00;D04H1/4382;D06M13/07;D06M23/00 |
主分类号 |
D06N3/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|