JPS6452889A - Production of porous sheet like article improved in dyeability - Google Patents
Production of porous sheet like article improved in dyeabilityInfo
- Publication number
- JPS6452889A JPS6452889A JP62205989A JP20598987A JPS6452889A JP S6452889 A JPS6452889 A JP S6452889A JP 62205989 A JP62205989 A JP 62205989A JP 20598987 A JP20598987 A JP 20598987A JP S6452889 A JPS6452889 A JP S6452889A
- Authority
- JP
- Japan
- Prior art keywords
- amino group
- porous sheet
- organic solvent
- dye
- aliphatic diamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
PURPOSE: To obtain a porous sheet of improved dye-affinity by impregnating a nonwoven fabric of polyamide fibers with a polyurethane elastomer dissolved in an organic solvent, incorporated with a dye-affinity improver to which a specific aliphatic diamine is bound, and solidifying the fabric. CONSTITUTION: This porous sheet-like product is obtained by impregnating a nonwoven fabric of polyamide fibers with a polyurethane elastomer dissolved in an organic solvent, and solidifying the fabric, wherein the solution of organic solvent is incorporated with 1 to 30 wt.%, based on the solid elastomer, of a dye-affinity improver, with two aliphatic diamine molecules bound thereto, the aliphatic diamine having tertiary amino group and primary amino group, and/or tertiary amino group and secondary amino group, at both terminals of the polyol via an organodiisocyanate. This sheet-like product can be dyed uniformly, without causing uneven dyeing, to have soft feel of touch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62205989A JPS6452889A (en) | 1987-08-18 | 1987-08-18 | Production of porous sheet like article improved in dyeability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62205989A JPS6452889A (en) | 1987-08-18 | 1987-08-18 | Production of porous sheet like article improved in dyeability |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6452889A true JPS6452889A (en) | 1989-02-28 |
Family
ID=16516058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62205989A Pending JPS6452889A (en) | 1987-08-18 | 1987-08-18 | Production of porous sheet like article improved in dyeability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6452889A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008153080A1 (en) | 2007-06-12 | 2008-12-18 | Asahi Kasei Fibers Corporation | Polyurethane elastic fiber |
-
1987
- 1987-08-18 JP JP62205989A patent/JPS6452889A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008153080A1 (en) | 2007-06-12 | 2008-12-18 | Asahi Kasei Fibers Corporation | Polyurethane elastic fiber |
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