| 发明名称 |
IMPRENATION OF LEATHER WITH POLYURETHANE DISPERSION |
| 摘要 |
A method for impregnating leather consists of (i) impregnating low d. (0.3-0.8 g/cc) leather sheets (split) with polyurethane (obtd. from reacting polyol with excess amts. of diisocyanates) dispersion aq. soln. contg. solid matter 5-50 wt.%, (ii) ionically coagulate polyurethane in dispersion soln. and (iii) drying the impregnated leather.
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| 申请公布号 |
KR890000236(B1) |
申请公布日期 |
1989.03.11 |
| 申请号 |
KR19820002261 |
申请日期 |
1982.05.22 |
| 申请人 |
SETON CO.,LTD |
发明人 |
FERTELL, PAUL A.;MACKARTNI, J. RICHARD |
| 分类号 |
C14C9/00;(IPC1-7):C14C9/00 |
主分类号 |
C14C9/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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