Abstract: Provided are an electrophotographic recording sheet, which has an electrostatic capacity of greater than or equal to 4 pF/cm2 and a Clark stiffness of from 15 to 500, and which comprises a thermoplastic resin sheet (A) that is formed by stretching along at least one axis and heat treating at 50 to 250° C.; and a label paper in the form of a laminate sequentially having an adhesive layer (B) and a release paper (C) on one surface of the thermoplastic resin sheet (A), wherein, under a thermomechanical analysis with heating from room temperature to 150° C., a dimensional change ratio (&agr;) of the thermoplastic resin sheet (A) after heating to the unheated thermoplastic resin sheet (A) is from −2.5 to 2.5 percent and the difference (&agr;−&bgr;) is from −1.5 to 1.5 percent, where &bgr; is a dimensional change ratio of the release paper (C) after heating to the unheated release paper (C).

Abstract: An IC tag and label are provided which allow data to be recorded on the surface thereof, are free from security problem that the inner IC circuit or wiring circuit can be seen through, exhibit excellent strength and water resistance, can be used even in the atmosphere and water and can be used for frozen food vessels, industrial products, various chemical vessels, etc. and for flow control, production line control, etc. The IC tag has a laminated structure that includes a thermoplastic resin film layer (A), an adhesive layer (D), and an IC circuit layer (B) or an IC circuit protective layer (C) having a hole containing an IC circuit layer (B). The IC label has a laminated structure that includes a thermoplastic resin film layer (A), an adhesive layer (D), an IC circuit layer (B) or an IC circuit protective layer (C) having a hole containing an IC circuit layer (B), and an adhesive layer (G). An airline tag includes the IC label.

Abstract: A porous resin film containing a thermoplastic resin, an inorganic and/or organic finely divided powder and a hydrophilicizer, and having a liquid absorption capacity of not smaller than 0.5 ml/m2 may be incorporated in a recording medium to provide good absorption of water present as a solvent for aqueous ink or aqueous paste and ink absorption without density unevenness during solid printing of large amounts of ink during ink jet recording.

Abstract: The invention provides a porous resin film having a good absorption of water content as a solvent for aqueous ink or aqueous paste and a recording medium comprising the porous resin film. The recording medium is characterized by the capability of absorbing an ink without density unevenness even during ink jet recording if the ejected amount of ink is great. The invention lies in a porous resin film comprising: a thermoplastic resin in an amount of 30 to 90% by weight; and an inorganic and/or organic finely divided powder in an amount of 10 to 70% by weight, wherein the inorganic and/or organic finely divided powder is surface-treated with a surface treating agent (A) made of a copolymer of diallylamine salt or alkyl diallylamine salt (a1) with a nonionic hydrophilic vinyl monomer (a2) and an anionic surface treating agent (B), and the porous resin film has a liquid absorption capacity of not smaller than 0.5 ml/m2 as measured by “Japan TAPPI No. 51-87”.

Abstract: A stretched resin film comprises a uniaxially stretched film comprising a propylene-base polymer (A) in an amount of 30 to 79 wt %, polybutene-1 (B) in an amount of 3 to 25 wt %, a petroleum resin (C) and/or hydrogenated terpene resin (D) in an amount of 3 to 25 wt %, and an organic and/or inorganic fine powder (E) in an amount of 10 to 65 wt %. The stretched resin film is a white, opaque film having excellent heat shrinking properties, printability and stiffness, and does not contribute to environmental pollution when burned.

Abstract: A light reflector comprising a biaxially stretched film containing a polyolefinic resin and a filler, wherein said filler is an inorganic filler having an average grain size of 0.1 to 8 &mgr;m and/or an organic filler having a mean dispersion grain size of 0.1 to 8 &mgr;m, and said biaxially stretched film has an area stretched factor of 16 to 80, and having a luminance of 1,200 cd/m2 or above is disclosed. A specific feature of such light reflector of the present invention resides in that improvement in the luminance achieved at low cost is ascribable to the structural feature thereof rather than to the composition.

Abstract: The present invention provides (1) a porous resin film having good water absorption from aqueous inks or aqueous pastes, (2) a recording medium which can absorb an ink without density unevenness even during solid printing or the like if the ejected amount of ink is great in ink jet recording, and (3) a porous resin film constituting such a recording medium having excellent properties. In other words, the present invention lies in a porous resin film comprising a thermoplastic resin and an inorganic and/or organic finely divided powder surface-treated with a specific surface treating agent and having a liquid absorption capacity of not smaller than 0.5 ml/m2 as measured by “Japan TAPPI No. 51-87” and a recording medium comprising the porous resin film.

Abstract: A multi-layered stretched resin film comprises a base layer (A) comprising more than 90 wt % of a polyolefinic resin and less than 10 wt % of an inorganic fine powder and/or an organic filler; and an amorphous resin-containing layer (B), comprising 0 to 85 wt % of a second polyolefinic resin, which may be the same or different than the first polyolefinic resin, and 15 to 100 wt % of an amorphous resin. The amorphous resin-containing layer (B) is disposed on at least one side of the base layer (A), and has a porosity of 5% or less. Such multi-layered stretched resin films are resistant to waving or curling caused by exposure to the vehicle component of offset printing inks during offset printing, and therefore have excellent printing properties.

Abstract: The present invention discloses a multi-layered stretched resin film which comprises a base layer (A) containing 40 to 90 wt % of a polyolefinic resin and 10 to 60 wt % of an inorganic fine powder or an organic filler; and an amorphous resin-containing layer (B) provided on at least one side of such base layer (A), and containing 0 to 85 wt % of a polyolefinic resin and 15 to 100 wt % of an amorphous resin; where the amorphous resin-containing layer (B) has a porosity of 5% or below. Such multi-layered stretched resin film is successfully exempt from being waved or curled due to vehicle contained in offset printing ink during offset printing, and can thus ensure excellent printability.

Abstract: An optically semi-transmission reflection material comprises a resinous film comprising a thermoplastic resin, wherein the sum of total light ray transmittance, T%, and total light ray reflectance, R%, i.e., T+R, is 80 to 100%; an absolute value of their difference is |(T−R)|<50% when displayed value a and displayed value b in transmitted light are designated as aT and bT, respectively, and when in reflected light, displayed value b is designated as br, in the transmitted light, aT and bT are in the range of −2≦aT≦2, and −2≦bT≦1.3 and the difference between the displayed value b to the transmitted light and the reflected light is |(bT−br)|<10.

Abstract: An IC tag and label are provided which allow data to be recorded on the surface thereof, are free from security problem that the inner IC circuit or wiring circuit can be seen through, exhibit excellent strength and water resistance, can be used even in the atmosphere and water and can be used for frozen food vessels, industrial products, various chemical vessels, etc. and for flow control, production line control, etc. The IC tag has a laminated structure that includes a thermoplastic resin film layer (A), an adhesive layer (D), and an IC circuit layer (B) or an IC circuit protective layer (C) having a hole containing an IC circuit layer (B). The IC label has a laminated structure that includes a thermoplastic resin film layer (A), an adhesive layer (D), an IC circuit layer (B) or an IC circuit protective layer (C) having a hole containing an IC circuit layer (B), and an adhesive layer (G). An airline tag includes the IC label.

Abstract: Described is a thermoplastic resin film having on a surface thereof a hydroxy-modified imine polymer containing repeating units represented by the following general formula (I) in an amount of 5 mol % or more based on the total of repeating units.

Abstract: The label includes (I) a thermoplastic resin film base layer, (II) an interlayer, and (III) a heat-sealable resin layer, wherein the interlayer (II) contains a thermoplastic resin and an antistatic agent.

Abstract: A support which contains a base layer (B) composed of a biaxially stretched film of a thermoplastic resin containing an inorganic fine powder; and a surface layer (A) provided at least on one side of such base layer (B), which is composed of a biaxially stretched film of a thermoplastic resin having a three dimensional center plane average roughness of about 0.3 &mgr;m or below and a 60 degrees surface glossiness of about 80% or above is disclosed. A thermal transfer image-recording material using such support can produce a clear image having an excellent glossiness and no external waviness.

Abstract: A light reflector comprising a biaxially stretched film containing a polyolefinic resin and a filler, wherein said filler is an inorganic filler having an average grain size of 0.1 to 8 &mgr;m and/or an organic filler having a mean dispersion grain size of 0.1 to 8 &mgr;m, and said biaxially stretched film has an area stretched factor of 16 to 80, and having a luminance of 1,200 cd/m2 or above is disclosed. A specific feature of such light reflector of the present invention resides in that improvement in the luminance achieved at low cost is ascribable to the structural feature thereof rather than to the composition.

Abstract: A porous resin film which comprises 30 to 90 wt % of a thermoplastic resin containing a hydrophilic thermoplastic resin component; and 70 to 10 wt % of an inorganic or organic fine powder was disclosed. The porous resin film of the present invention is valuable as an ink-jet recording medium since the film shows excellent ink absorbing and drying properties even when a large amount of ink is discharged thereon, and thus can produce thereon a high-definition image.

Abstract: An in-mold decorating label, which comprises a thermoplastic resin film substrate layer (I) having provided on its backside a heat-sealable resin layer (II), the heat-sealable resin layer (II) containing a polyethylenic resin and at least one of (i) a fatty acid amide having a molecular weight of 300 or more and (ii) an organic or inorganic fine powder having an average particle size larger than thickness of the heat-sealable resin layer (II). This label for use in in-mold decorating has excellent feeding and discharging properties upon printing and workability during sheeting, which facilitates insertion of the label into a metal mold during in-mold decorating, and provides a label-laminated container which does not suffer from blister generation and has a large welding force between the container and the label.

Abstract: A thermoplastic resin film (i) which has a degree of dimensional change through heating and cooling (&agr;) in the range of from −2% to 2% as measured by thermomechanical analysis in the range of from room temperature to 135° C., or which has a degree of thermal shrinkage of 1.8% or lower upon heating at 130° C. for 30 minutes or longer; and a label paper employing the same. The label paper has suitability for heated-roll fixing type electrophotographic printers and is satisfactory in curling after printing.