Porous resin film and ink jet recording medium
US7910201B2 · kind B2 · utility
0Cited by
10References
19Claims
0Family size
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Key dates
| Filing date | Apr 25, 2001 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Mar 18, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A porous resin film which is obtained from a compound prepared by kneading a composition comprising 30 to 100% by weight of a thermoplastic resin comprising a hydrophilic thermoplastic resin and 0 to 70% by weight of an inorganic and/or an organic powder in an intermeshing twin-screw extruder at a screw shear rate of 300 sec−1 or higher and which has a liquid absorbing capacity of 0.5 ml/m2 or more as measured in accordance with the method specified in Japan TAPPI Standard No. 51-87.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.