JPS55116736A - Flexible foam having improved water absorption and its production - Google Patents
Flexible foam having improved water absorption and its productionInfo
- Publication number
- JPS55116736A JPS55116736A JP2492279A JP2492279A JPS55116736A JP S55116736 A JPS55116736 A JP S55116736A JP 2492279 A JP2492279 A JP 2492279A JP 2492279 A JP2492279 A JP 2492279A JP S55116736 A JPS55116736 A JP S55116736A
- Authority
- JP
- Japan
- Prior art keywords
- water absorption
- improved water
- flexible foam
- aqueous
- polyurethane
- 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
Abstract
PURPOSE: To prepare a flexible foam in a dry state having improved water absorption, by foaming, solidifying, and dehydrating a mixture of an aqueous polyurethane and silk fibroin subjected to a specific treatment, in a specified proportion in the presence of a surfactant.
CONSTITUTION: (A) An aqueous polyurethane (20W60wt%) is mixed with (B) silk fibroin, e.g. a 1W20wt% aqueous solution obtained by dialysis of a silk material dissolved in an aqueous alkali(earth) metal, and a surfactant. The mixture is foamed by blowing air therein, solidified with a gelatinizing agent, and dehydrated to form the objective foam with a moisture content of 300W3000%, a water absorption rate ≥10mm/min, a moisture absorption of 3W15%, and a bulk density of 0.01W0.3g/cm3, comprising 40W95wt% of the polyurethane and 5W60wt% of the fibroin.
USE: Sanitary materials and hemostatic sponges.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2492279A JPS55116736A (en) | 1979-03-02 | 1979-03-02 | Flexible foam having improved water absorption and its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2492279A JPS55116736A (en) | 1979-03-02 | 1979-03-02 | Flexible foam having improved water absorption and its production |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55116736A true JPS55116736A (en) | 1980-09-08 |
Family
ID=12151624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2492279A Pending JPS55116736A (en) | 1979-03-02 | 1979-03-02 | Flexible foam having improved water absorption and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55116736A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100346861C (en) * | 2006-06-02 | 2007-11-07 | 东华大学 | Blood filter material and process for preparing same |
US7942897B2 (en) | 2003-07-10 | 2011-05-17 | Boston Scientific Scimed, Inc. | System for closing an opening in a body cavity |
US8398677B2 (en) | 2002-12-20 | 2013-03-19 | Boston Scientific Scimed, Inc. | Closure device with textured surface |
US8709038B2 (en) | 2002-12-20 | 2014-04-29 | Boston Scientific Scimed, Inc. | Puncture hole sealing device |
JP2015174971A (en) * | 2014-03-17 | 2015-10-05 | 株式会社イノアック技術研究所 | Water-absorbing resin foam and production method thereof |
JP2016016667A (en) * | 2014-07-11 | 2016-02-01 | 株式会社イノアック技術研究所 | Water absorbing sheet |
-
1979
- 1979-03-02 JP JP2492279A patent/JPS55116736A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8398677B2 (en) | 2002-12-20 | 2013-03-19 | Boston Scientific Scimed, Inc. | Closure device with textured surface |
US8709038B2 (en) | 2002-12-20 | 2014-04-29 | Boston Scientific Scimed, Inc. | Puncture hole sealing device |
US7942897B2 (en) | 2003-07-10 | 2011-05-17 | Boston Scientific Scimed, Inc. | System for closing an opening in a body cavity |
CN100346861C (en) * | 2006-06-02 | 2007-11-07 | 东华大学 | Blood filter material and process for preparing same |
JP2015174971A (en) * | 2014-03-17 | 2015-10-05 | 株式会社イノアック技術研究所 | Water-absorbing resin foam and production method thereof |
JP2016016667A (en) * | 2014-07-11 | 2016-02-01 | 株式会社イノアック技術研究所 | Water absorbing sheet |
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