JPS6424738A - Water-absorptive sheet - Google Patents
Water-absorptive sheetInfo
- Publication number
- JPS6424738A JPS6424738A JP62181652A JP18165287A JPS6424738A JP S6424738 A JPS6424738 A JP S6424738A JP 62181652 A JP62181652 A JP 62181652A JP 18165287 A JP18165287 A JP 18165287A JP S6424738 A JPS6424738 A JP S6424738A
- Authority
- JP
- Japan
- Prior art keywords
- water
- base material
- layer
- absorptive
- synthetic resin
- 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.)
- Granted
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
PURPOSE:To make economically a water-absorptive sheet suitable to preserve perishable foods, by heating two layers of base material sandwiching a patterned water-absorptive layer between the two sheets, fusing and sticking the both together in the non-patterned area by heat. CONSTITUTION:Since it is desirable to form a water-absorptive layer 3 by means of printing, a resin with a high water absorptivity is dispersed in a vehicle and used as a coating agent. The ratio of this resin to the coating agent is generally 5-70wt.% and the ratio of binder may be 3-50% by weight, in the same manner as for the conventional paint and printing ink. At least two layers of base material are to be used and at least one of them must be water-permeable. As an impermeable layer 2 of base material, various kinds of synthetic resin films or sheets, or metal foils can be applied. When extruding a thermoplastic synthetic resin to coat the base material of impermeable layer 1 formed as a water-absorptive layer 3, the extrudate of synthetic resin which can be processed by extrusion-coating is heated, molten and stuck with the non-patterned area of the water-absorption layer, and the upper and lower layers of base material are adhered together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62181652A JP2709813B2 (en) | 1987-07-21 | 1987-07-21 | Method for producing water-absorbent sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62181652A JP2709813B2 (en) | 1987-07-21 | 1987-07-21 | Method for producing water-absorbent sheet |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6424738A true JPS6424738A (en) | 1989-01-26 |
JP2709813B2 JP2709813B2 (en) | 1998-02-04 |
Family
ID=16104489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62181652A Expired - Fee Related JP2709813B2 (en) | 1987-07-21 | 1987-07-21 | Method for producing water-absorbent sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2709813B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243A (en) * | 1989-05-29 | 1991-01-07 | Nippon Shokubai Kagaku Kogyo Co Ltd | Water-absorbable/water-retentive sheet and preparation thereof |
JPH07241944A (en) * | 1994-03-03 | 1995-09-19 | Kinsei Seishi Kk | Water absorptive mat |
JP2008207393A (en) * | 2007-02-23 | 2008-09-11 | Three M Innovative Properties Co | Waterproof sheet and its manufacturing method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104249491B (en) * | 2014-09-23 | 2016-05-25 | 江苏宏远新材料科技有限公司 | High-tenacity waterproof film |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57103838A (en) * | 1980-12-19 | 1982-06-28 | Toppan Printing Co Ltd | Water absorbing and holding sheet |
JPS5849778U (en) * | 1981-09-29 | 1983-04-04 | 岐阜プラスチック工業株式会社 | Tray for food packaging |
JPS6120594U (en) * | 1984-07-10 | 1986-02-06 | 菊水化学工業株式会社 | Rollable dew-proof wall covering sheet |
JPS6331925U (en) * | 1986-08-15 | 1988-03-01 |
-
1987
- 1987-07-21 JP JP62181652A patent/JP2709813B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57103838A (en) * | 1980-12-19 | 1982-06-28 | Toppan Printing Co Ltd | Water absorbing and holding sheet |
JPS5849778U (en) * | 1981-09-29 | 1983-04-04 | 岐阜プラスチック工業株式会社 | Tray for food packaging |
JPS6120594U (en) * | 1984-07-10 | 1986-02-06 | 菊水化学工業株式会社 | Rollable dew-proof wall covering sheet |
JPS6331925U (en) * | 1986-08-15 | 1988-03-01 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243A (en) * | 1989-05-29 | 1991-01-07 | Nippon Shokubai Kagaku Kogyo Co Ltd | Water-absorbable/water-retentive sheet and preparation thereof |
JPH07241944A (en) * | 1994-03-03 | 1995-09-19 | Kinsei Seishi Kk | Water absorptive mat |
JP2008207393A (en) * | 2007-02-23 | 2008-09-11 | Three M Innovative Properties Co | Waterproof sheet and its manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
JP2709813B2 (en) | 1998-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |