Porous resin film and ink jet recording medium

Details Porous resin film and ink jet recording medium Porous resin film and ink jet recording medium

2011-03-22

2011-03-22

Vo, Hai (Department: 1788)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S315700, C428S316600, C428S319300, C428S319700, C428S319900, C428S032170, C428S032180

Reexamination Certificate

active

07910201

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−1or higher and which has a liquid absorbing capacity of 0.5 ml/m2or more as measured in accordance with the method specified in Japan TAPPI Standard No. 51-87.

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English Abstract “Recording Sheet and Production Thereof,” Takeshi Fujita, Aug. 1, 1995.
Japanese Office Action dated May 12, 2009.

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