CN1505774A - Image-recording sheet - Google Patents
Image-recording sheet Download PDFInfo
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- CN1505774A CN1505774A CNA02809011XA CN02809011A CN1505774A CN 1505774 A CN1505774 A CN 1505774A CN A02809011X A CNA02809011X A CN A02809011XA CN 02809011 A CN02809011 A CN 02809011A CN 1505774 A CN1505774 A CN 1505774A
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- image
- recording sheet
- receiving layer
- image receiving
- image recording
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0053—Intermediate layers for image-receiving members
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
- G03G7/002—Organic components thereof
- G03G7/0026—Organic components thereof being macromolecular
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
- G03G7/002—Organic components thereof
- G03G7/0026—Organic components thereof being macromolecular
- G03G7/004—Organic components thereof being macromolecular obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
- G03G7/002—Organic components thereof
- G03G7/0026—Organic components thereof being macromolecular
- G03G7/0046—Organic components thereof being macromolecular obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Abstract
The present invention provides an image-recording sheet capable of improving the gloss of a color image recorded thereon without being accompanied with hot-offset even if a toner is disposed in a high concentration on the image-receptive layer. In particular, the inventive image-recording sheet comprises a paper substrate and an image-receptive layer formed on at least one surface of the paper substrate. The image-receptive layer has a ten-point average surface roughness (Rz) of 0.1 to 3.0 mm and contains a thermoplastic resin having storage modulus of 1x103 to 1x106 Pa at 160 DEG C. The image-recording sheet, if desired, may comprise a gloss layer disposed between the paper substrate and the image-receptive layer.
Description
Invention field
The present invention relates to the image recording sheet, specifically is to be used for the image recording sheet that electrofax color copy machine or color printer document image are used.
Background
Usually, duplicating machine and printer are by electric photographic process document image.Illustrative image comprises by electric photographic process with printing paper, the literal on the picture record sheet that forms such as overhead projector (OHP) film provide, and printing, lines, figure, or photo etc.The electricity photographic process is take a picture a kind of blanket, is used for obtaining image by photoelectricity and static.The electricity photographic process is very famous, usually following carrying out.
At first,, use electrostatic charging in advance, make it have photonasty by the photoconductive layer that photosemiconductor is made.Secondly, use camera by exposing image projection to photoconductive layer.Then, the electric charge in the image luminous component is eliminated, on photoconductive layer, form an electrostatic latent image.After this, the colored particulate (being toner) that has with the electric charge of electrostatic latent image electric charge opposite sign is attached to photoconductive layer, to show electrostatic latent image and to form painted image.The image that this is painted is transferred to the image recording sheet by a transferring roller, and fixation then for example, is write down the picture of publishing picture with fixation equipment thermic on the image recording sheet.With regard to coloured image, under look separating light beam effect separately, form latent image, the electrostatic latent image that uses color toner (as cyan, reddish violet, yellow etc.) to demonstrate separately obtains after the painted image, and coloured image just is formed on the image recording sheet.
Most of image recording sheet comprises an image receiving layer that is formed on the base material, usually, painted image with regard to fixation on this image receiving layer.For example, in the image recording sheet that discloses in JP-A-63-92965 and JP-A-11-160905, the image receiving layer of transparent resin is formed on the predetermined paper substrates.Reduce surperficial unevenness in the image receiving layer by in hot fixation process, toner being embedded in, thereby improve the enamel glossiness of image of image recording sheet.
Toner placed situation on the image receiving layer with high concentration under, many toner particles usually can be overlapped.In the case, if use the image recording sheet that discloses in the above-mentioned patent, be difficult to fully whole toner particles are embedded in the image receiving layer.As a result, the toner particle is outstanding on image receiving layer, and therefore scattered light has just reduced the glossiness of coloured image.
When the thickness of image receiving layer increased, all toner particles can all be embedded in the image receiving layer.Yet, when the image recording sheet contains thick image receiving layer, can may cause image defects with the stained phenomenon of heat.
Therefore, need a kind of like this image recording sheet, the coloured image of high gloss can be provided in the above, and without the stained defective of heat, even place under the situation of image receiving layer with high concentration at toner.
Summary
In order to address the above problem, finished the present invention.The invention provides a kind of image recording sheet, this image recording sheet comprises paper substrates and be formed on papery base lip-deep image receiving layer of material at least, it is characterized in that image receiving layer has 10 average surface roughness (Rz) of about 0.1 to 3.0 μ m and contains at 160 ℃ and has about 1 * 10
3To 1 * 10
6The thermoplastic resin of the storage modulus of Pa.
Brief description of drawings
With reference to accompanying drawing, with the present invention is described in detail:
Figure 1 shows that the cross section of an illustrative embodiment of image recording sheet of the present invention, comprise base material 1, image receiving layer 2 and gloss layer 3.
This figure is Utopian, does not draw in proportion, only with explaining.
Describe in detail
In first preferred embodiment, image-recording sheet of the present invention comprises base material 1 and image receiving layer 2 (lackluster layer 3 in this first embodiment). Base material 1 is paper substrates normally, and namely there is that surface of image receiving layer on best at least one surface of this base material on it, through processing, make it have 10 average surface roughness (Rz) of about 0.1 to 3.0 μ m. This processing is for the ease of forming smooth image receiving layer, will being illustrated later.
This paper substrates comprises cated paper, as coated paper, and enamel paper, synthetic papers etc. also comprise the paper that does not have coating.The basic weight of paper substrates is preferably between 60 to 230kg.When basic weight during less than 60kg, the hardness of paper substrates dies down, the rodability deficiency.On the contrary, when basic weight surpasses 230kg, make toner fully melt necessary heat and seem not enough, glossiness can reduce.
Image receiving layer has 10 average surface roughness (Rz) of about 0.1 to 3.0 μ m, is to support when it is attached at least one surface of paper substrates and carry out gloss processing.Also image receiving layer can be arranged all on two surfaces of base material.
In the present invention, image receiving layer is used for coming document image by the hot fixation of rendered image, and these images comprise literal, printing, lines, figure or photo.
Image receiving layer contains a kind of thermoplastic resin usually, and suitable thermoplastic resin has about 1 * 10 at 160 ℃
3To 1 * 10
6The storage modulus of pa, in the hot fixation process of carrying out about this temperature, surface flatness can obviously not descend.Therefore, even passed through hot fixation process, it is fully smooth that image receiving layer keeps, and may produce the image with good gloss.
When thermoplastic resin 160 ℃ storage modulus less than about 1 * 10
3The time, the image recording sheet is easy to cause the division of rendered image, this is owing to the stained cause of heat in the hot fixation process.This this problem may cause image deflects, also may cause pollution.On the contrary, be higher than about 1 * 10 160 ℃ storage modulus when thermoplastic resin
6The time, the image recording sheet can not be fully critically with the rendered image fixation on image receiving layer, therefore on rendered image, stay the surfaceness that does not meet the requirements easily.This unevenness may make the picture quality variation.
The kind of thermoplastic resin does not have any restriction, as long as its storage modulus is between specified scope.Preferably use acryl resin, styrene resin, styrene-propene acid resin, epoxy resin, styrene-butadiene resin, urethane resin or vibrin.These resins have the high grade of transparency, can keep the repeatability of color of image.These resins have high compatibility with the toner of the potpourri that comprises styrene resin, styrene-propene acid resin, vibrin, polyether polyol resin and these resins.Therefore, resin can hold most toner particle like this, even image receiving layer is thinner relatively.And, make the image receiving layer attenuation, can effectively avoid heat stained.Therefore, image recording sheet of the present invention can effectively reduce image defects and the pollution that causes of defective thus.
Transparent image receiving layer may also contain compatilizer.Though compatilizer is specifically restriction not, it preferably has 8.0 to 10.0 solubility parameter (SP value).When the compatilizer that uses solubility parameter between above-mentioned scope, in hot fixation process, toner melts easily, and easily therefore the smooth image of compatible formation with thermoplastic resin, can prevent light scattering.And the toner particle improves with the compatibility of other toner particles on every side, and therefore, particularly under the situation of using color toner, the mixing of color is effectively improved.When toner contains styrene resin, styrene-propene acid resin, vibrin or their potpourri, when being used for recording the low Printing Marks image of gloss, the glossiness of image improves, simultaneously, the tone of image and color reproduction also improve.And, even when fixation equipment can be used for writing down the low gloss image, also be like this.Therefore.Image recording sheet of the present invention can provide has glossiness, and tone, colorrendering quality be the image of advantages of higher all, and does not need special toner and fixation equipment, even comprise lines at coloured image, under the situation of figure and photo.
Above-mentioned solubility parameter can be according to P.A.Small, J, and Appl.Chem., 3,71 (1953) the middle data of announcing are calculated.
Image recording sheet of the present invention can contain antistatic agent.Antistatic agent can be controlled the surface resistance of image receiving layer, increases the conversion efficiency of toner, can improve quality and other performances of rendered image like this.Preferred antistatic agent comprises potpourri, salt (as lithium nitrate, sodium nitrate, sodium chloride etc.) and the conducting polymer of non-ionic antistatic agent, cationic antistatic agent, anionic antistatic agents, fluorine-containing antistatic agent, these antistatic agent.
In another preferred embodiment of the present invention, the image recording sheet also comprises gloss layer 3, and it is between base material 1 and image receiving layer 2.
In the present invention, the refractive index height of the refractive index ratio image receiving layer thermoplastic resin of gloss layer is on absolute value high at least 0.002.Therefore, in image recording sheet of the present invention, even light passes through image receiving layer, interfacial energy between image receiving layer 2 and the gloss layer 3 reflects away it effectively, as above-mentioned first embodiment, improves the glossiness of image, simultaneously, improve the color harmony colorrendering quality of image.
This gloss layer is made by transparent optical material, this optical material comprises, for example, acryl resin, styrene resin, styrene-propene acid resin, epoxy resin, styrene-butadiene resin, urethane resin or vibrin.Styrene-propene acid resin and vibrin are preferred, because their adhesive strength height between base material and image receiving layer.
Above-mentioned image recording sheet can be for example according to conventional method preparation as described below.
At first, with thermoplastic resin and compatilizer (if using compatilizer), dissolving is dispersed in the water or contains in a kind of volatile solvent of methyl ethyl ketone (MEK), obtains coating.This coating is applied on the base material by specified quantity.After this, this coating is heated with base material, dry removing desolvated, and forms the image receiving layer with satisfactory dry-coated amount.
Dry-coated amount preferably about 0.5 is to 15g/m
2When dry-coated amount less than about 0.5g/m
2The time, it is smooth that painted image is not easy to seem.On the other hand, surpass about 15g/m when dry pickup
2The time, will cause the hot stained of image receiving layer.
And, before transparent image receiving layer forms, if desired, also can on base material, form gloss layer.The preparation of the coating that this gloss layer is used, can be will contain the optical material dissolving of above-mentioned thermoplastic resin be dispersed in the water or contain in the volatile solvent of methyl ethyl ketone (MEK).Then, this coating is coated onto on the base material, heats drying with base material.
The dry-coated amount of gloss layer is preferably 0.5 to 5g/m
2When dry-coated amount less than about 0.1g/m
2The time, may be difficult to even coating, so the thickness of gloss layer may become inhomogeneous.On the other hand, surpass about 5g/m when dry-coated amount
2The time, cause that easily heat is stained.
Hereinbefore, with reference to some embodiment preferred, image recording sheet of the present invention has been described.Yet the present invention is not limited to these embodiments.
Image receiving layer also may contain the component that is different from above-mentioned substance, unless they have exceeded the scope of purpose of the present invention and effect.For example, in order to regulate the whiteness of image recording sheet, may use a kind of filling filler, it comprises inorganic pigment such as lime carbonate, clay, calcium sulphate etc., acrylic compounds or styrene-propene acids organic pigment.
And, also can use wax such as paraffin, microcrystalline wax, palm wax etc.In hot fixation process, these paraffin can separate toner outstanding on the image receiving layer and fixation equipment (as the fixation roller) to prevent heat stained effectively.And especially when wax during attached to rendered image surperficial, the glossiness of rendered image will further improve.
Embodiment
Hereinafter, will be illustrated the present invention with some following embodiment.Yet those skilled in the art can understand at an easy rate, and the present invention is not limited to these embodiment.
In this embodiment, at first each component shown in the mixture table 1 prepares the image receiving layer coating composition.
Table 1
| Component | Weight portion |
| Aqueous polyurethane (Sancure 776, and Gunze Ltd makes) | ????50.72 |
| Hexane diacid two fourth 2-ethoxyethyl acetates (Ltd makes for BXA, Daihachi Chemical Industry Co.) | ????10.65 |
| The polymethylmethacrylate bead (particle mean size 8 μ m, Techpolymer MBX-8, Sekisui Plastics Co., Ltd makes) | ????0.09 |
| Surfactant (Zonyl FSN, Du Pont makes) | ????0.33 |
| Lithium nitrate | ????0.18 |
| Deionized water | ????30.04 |
Secondly, with the gained coating composition of Mayer scraping article, be coated onto paper substrates (soft glazed paper, C4179B with specified amount, the Hewlett-Packard manufacturing) on the surface, this paper substrates has 10 average surface roughness (Rz) of about 0.146 μ m.After this, with paper substrates, this coating composition is heated to 100 ℃, formation had 4.0g/m except that desolvating in dry 3 minutes
2The transparent image receiving layer of dry-coated amount is made the image recording sheet.In this embodiment, image receiving layer is securely attached on the paper substrates.
The surfaceness of image receiving layer is measured by surfagauge (Ltd makes for Surfcoder SE-30K, KosakaLaboratory Co.), and recording surfaceness (Rz) is 1.232 μ m.
Then, with laser printer (Color Laser Shot LBP-2040, Canon makes) image is imprinted on the image recording sheet of gained, on its transparent image receiving layer, form complete colored rendered image, after this, (a* b*) comes the quality of evaluate image for the glossiness of measurement image and colourity.Glossiness is measured with NipponDenshoku Kogyo Co., the glossometer of Ltd. production, and taking measurement of an angle is set in 75 °.Colourity is measured with colorimeter/colour difference meter (Ltd makes for SZ-∑ 80, Nippon Denshoku Kogyo Co.).The result is as shown in table 2.
Comparative Examples 1
In this Comparative Examples, the mode that image forms is identical with embodiment 1, except paper substrates itself is used as the image recording sheet.Assess then, the result is as shown in table 2.
Table 2
| Yellow | Purple | Cyan | ||||
| ????a* | ????b* | ????a* | ????b* | ????a* | ????b* | |
| | ????-8.25 | ????93.44 | ????64.38 | ????-18.97 | ????-30.98 | ????-41.24 |
| Comparative Examples 1 | ????-8.44 | ????87.37 | ????62.45 | ????-18.16 | ????-27.53 | ????-39.08 |
According to the result shown in the table 2, can find that the colourity of the image recording sheet of embodiment 1 increases.Therefore, image recording sheet of the present invention has fabulous color recycled property, and high-quality rendered image can be provided.
In this embodiment, the preparation method of image recording sheet is identical with embodiment 1, except the protective finish composition that uses is each component shown in the mixture table 3 is prepared from.Assess with the method identical, except the measurement of colourity with embodiment 1.
Table 3
| Component | Weight portion |
| Waterborne polyester (WB50,3M Co makes) | ????82.87 |
| Hexane diacid two fourth 2-ethoxyethyl acetates (Ltd makes for BXA, Daihachi Chemical Industry Co.) | ????9.94 |
| The polymethylmethacrylate bead (particle mean size 8 μ m, Techpolymer MBX-8, Sekisui Plastics Co., Ltd makes) | ????0.08 |
| Surfactant (Zonyl FSN, DuPont makes) | ????0.32 |
| Lithium nitrate | ????0.17 |
| Deionized water | ????6.63 |
In this embodiment, transparent image receiving layer is securely attached on the paper substrates, and the surfaceness Rz of transparent image receiving layer is 1.152m.
In this embodiment, the preparation method of image recording sheet is identical with embodiment 1, the coating composition of using except the image receiving layer that uses is that each component shown in the mixture table 4 is prepared from and with Fuji Xerox Co., the copy paper (J coated paper Rz=1.218 μ m) that Ltd. produces is as outside the paper substrates.Assess with the method identical, except the measurement of colourity with embodiment 1.
Table 4
| Component | Weight portion |
| Acrylic emulsion (NeoCryl XK-90 Abysia Co., Ltd.) | ????39.89 |
| Hexane diacid two fourth 2-ethoxyethyl acetates (Ltd makes for BXA, Daihachi Chemical Industry Co.) | ????5.39 |
| The polymethylmethacrylate bead (particle mean size 8 μ m, Techpolymer MBX-8, Sekisui Plastics Co., Ltd makes) | ????0.09 |
| Surfactant (Zonyl FSN, DuPont makes) | ????0.34 |
| Lithium nitrate | ????0.18 |
| Deionized water | ????50.06 |
In the case, image receiving layer is attached on the paper substrates securely, and the surfaceness Rz of transparent image receiving layer is 1.152m.
Comparative Examples 2
In this Comparative Examples, the preparation method of image recording sheet is identical with embodiment 3, except using CanonCo., copy paper (the Color Laser Copier paper that Ltd. produces; Rz=4.354m) replace Fuj i XeroxCo., outside the copy paper that Ltd. produces, assess then.In this Comparative Examples, transparent image receiving layer is securely attached on the paper substrates, and the surfaceness Rz of transparent image receiving layer is 4.921 μ m.
Comparative Examples 3
The preparation method of image recording sheet is identical with embodiment 1, forms transparent image receiving layer except using the coating composition that is mixed by each component shown in the table 5, and its dry-coated amount is 2.5g/m
2Outward.In this Comparative Examples, the surfaceness Rz of image receiving layer is 1.218 μ m.Yet, in the image recording sheet of this Comparative Examples, when forming the full color image, caused hot stainedly, therefore, the assessment of image is to carry out.
Table 5
| Component | Weight portion |
| Hexane diacid two fourth 2-ethoxyethyl acetates (Ltd makes for BXA, Daihachi Chemical Industry Co.) | ????50.00 |
| Methylethyl methyl ketone (Wako Pure Chemical Industries, Ltd makes) | ????50.00 |
Embodiment 4
In this embodiment, at first, each component shown in the mixture table 6 prepares the gloss layer coating composition.Then, with the composition that obtain of Mayer scraping article, be coated onto paper substrates (Mirrorcoat manufacturedby Oji Paper Mill, Ltd. with specified amount; Basic weight: on surface 157.0kg), this paper substrates has 10 average surface roughness (Rz) of 0.028 μ m.After this, with paper substrates, this coating composition is heated to 100 ℃, and dry 3 minutes, remove and desolvate, forming dry-coated amount is 0.9g/m
2Gloss layer.The refractive index of gloss layer is 1.4952.
Table 6
| Component | Weight portion |
| Polyester (Atlac 382E, Reichhold Chemical Co makes) | ????20.00 |
| Methyl ethyl ketone | ????40.00 |
| Toluene | ????40.00 |
Then, each component shown in the mixture table 7 prepares the image receiving layer coating composition, is coated onto on the established gloss layer with Mayer scraping article this composition with specified amount then.After this,, this compound by heat to 100 ℃ drying 3 minutes, is removed and desolvates, form dry-coated amount 4.0g/m with paper substrates and gloss layer
2Image receiving layer, obtain the image recording sheet.The refractive index of image receiving layer is 1.4879.
Table 7
| Component | Weight portion |
| Aqueous polyurethane (Sancure 776, and Gunze Ltd makes) | ????53.85 |
| Hexane diacid two fourth 2-ethoxyethyl acetate grains (Ltd makes for BXA, Daihachi Chemical Industry Co.) | ????5.66 |
| The polymethylmethacrylate bead (particle mean size 8 μ m, Techpolymer MBX-8, Sekisui Plastics Co., Ltd makes) | ????0.09 |
| Deionized water | ????40.40 |
In this embodiment, the mutual secure bond of transparent image receiving layer and gloss layer is fixed on the paper substrates.When measuring the transparent image receiving layer with surface roughometer used among the embodiment 1, its surfaceness Rz is 0.231 μ m.
And complete rendered image is formed on the transparent image receiving layer of image recording sheet in the mode identical with embodiment 1, and the measuring method of glossiness is identical with embodiment 1.
The glossiness of each image recording sheet of preparation is as shown in table 8 in embodiment 1 to 4 and the Comparative Examples 1 to 2.
According to the result shown in the table 8, as can be seen, to compare with 2 image recording sheet with Comparative Examples 1, the image recording sheet of embodiment 1 to 4 has high gloss.Therefore, image recording sheet of the present invention can provide high-quality rendered image.
Table 8
| Glossiness (%) | |||||||
| Black | Yellow | Purplish red | Blue or green | Red | | Blue | |
| Embodiment | |||||||
| 1 | ??51.3 | ??38.2 | ????26.9 | ??24.3 | ??28.1 | ????24.9 | ??32.0 |
| | ??33.3 | ??24.4 | ????21.3 | ??16.5 | ??23.9 | ????22.8 | ??21.6 |
| | ??39.8 | ??18.4 | ????19.1 | ??14.0 | ??27.0 | ????20.0 | ??17.8 |
| Embodiment 4 | ??78.2 | ??55.0 | ????45.2 | ??31.2 | ??53.7 | ????43.7 | ??40.5 |
| Comparative Examples 1 | ??22.0 | ??12.0 | ????16.2 | ??10.2 | ??16.5 | ????17.5 | ??16.2 |
| Comparative Examples 2 | ??13.2 | ??12.5 | ????9.1 | ??8.3 | ??14.4 | ????15.2 | ??11.0 |
Embodiment 5
In this embodiment, the preparation method of image recording sheet is identical with embodiment 4, except (Ltd. makes for Pearlcoat, Mitsubishi Paper Mills with the paper with 10 average surface roughness Rz of 0.784 μ m; Basic weight: 127.79kg) as paper substrates, outside gloss layer composition and image receiving layer composition mix with the component shown in table 9 and the table 10 respectively.Appraisal procedure is identical with embodiment 1.In this embodiment, the mutual secure bond of transparent image receiving layer and gloss layer is fixed on the paper substrates, and the surfaceness Rz of transparent image receiving layer is 0.835 μ m.The refractive index of image receiving layer is 1.5044.
Table 9
| Component | Weight portion |
| Styrene-propene acid copolymer (Pliolite AC, Goodyear Co makes) | ????10.00 |
| Methyl ethyl ketone | ????45.00 |
| Toluene | ????45.00 |
Table 10
| Component | Weight portion |
| The styrene-propene acid copolymer (NeoCryl A-1092 Abysia Co., Ltd.) | ????40.32 |
| Water-based palm wax dispersion (Selosol 524, Chukyo Yushi Co., Ltd makes) | ????3.19 |
| The polymethylmethacrylate bead (particle mean size 8 μ m, Techpolymer MBX-8, Sekisui Plastics Co., Ltd makes) | ????0.10 |
| Deionized water | ????26.38 |
Comparative Examples 3
In this Comparative Examples, the preparation method of image recording sheet is identical with embodiment 5, except lackluster layer, assesses then.In this embodiment, transparent image receiving layer is attached on the paper substrates securely, and the surfaceness Rz of transparent image receiving layer is 0.770m.
The glossiness of the image recording sheet of embodiment 5 and Comparative Examples 3 preparations is as shown in table 11.
Table 11
| Glossiness (%) | |||||||
| Black | Yellow | Purple | Blue or green | Red | Green | Blue | |
| Embodiment 5 | ??49.7 | ??45.9 | ????50.1 | ????35.1 | ????70.2 | ??73.7 | ??71.4 |
| Comparative Examples 3 | ??41.7 | ??35.3 | ????31.4 | ????29.3 | ????42.4 | ??53.8 | ??54.4 |
According to the result shown in the table 11, as can be seen, to compare with the image recording sheet in the Comparative Examples 3, the image recording sheet among the embodiment 5 has high gloss.Therefore, image recording sheet of the present invention can provide high-quality rendered image owing to wherein being formed with gloss layer.
Claims (5)
1. image recording sheet, it comprises paper substrates and is formed at least one lip-deep image receiving layer of paper substrates, it is characterized in that image receiving layer has 10 average surface roughness (Rz) of about 0.1 to 3.0 μ m, and contain at 160 ℃ and have about 1 * 10
3To 1 * 10
6The thermoplastic resin of Pa storage modulus.
2. as right descriptions 1 described image recording sheet, it is characterized in that image receiving layer wherein is transparent.
3. right descriptions 1 described image recording sheet also comprises the gloss layer between paper substrates and image receiving layer.
4. as right descriptions 1 described image recording sheet, it is characterized in that wherein the refractive index of the refractive index ratio image receiving layer thermoplastic resin of gloss layer is according to absolute value big at least 0.002.
5. as right descriptions 1 to 4 each described image recording sheet, it is characterized in that image receiving layer wherein contains solubility parameter and is about 8.0 to 10.0 compatilizer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP131573/2001 | 2001-04-27 | ||
| JP2001131573A JP2002341580A (en) | 2001-04-27 | 2001-04-27 | Image recording sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1505774A true CN1505774A (en) | 2004-06-16 |
Family
ID=18979735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA02809011XA Pending CN1505774A (en) | 2001-04-27 | 2002-04-02 | Image-recording sheet |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1395879A1 (en) |
| JP (1) | JP2002341580A (en) |
| CN (1) | CN1505774A (en) |
| WO (1) | WO2002088847A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4069084B2 (en) | 2004-01-29 | 2008-03-26 | 富士フイルム株式会社 | Image recording material and image forming method |
| JP4678339B2 (en) | 2006-06-06 | 2011-04-27 | 富士ゼロックス株式会社 | Electrophotographic recording medium and image forming method |
| US9200410B2 (en) | 2007-05-22 | 2015-12-01 | Yupo Corporation | Electrophotographic recording sheet and recorded material |
| JP5202875B2 (en) * | 2007-05-30 | 2013-06-05 | 株式会社ユポ・コーポレーション | Electrophotographic recording paper and recorded matter |
| JP5394489B2 (en) * | 2008-09-19 | 2014-01-22 | シェラー テクノチェル ゲー エム ベー ハー ウント コンパニー コマンディートゲゼルシャフト | Recording materials for laser printing methods |
| JP5545540B2 (en) * | 2010-07-23 | 2014-07-09 | 株式会社リコー | Recording paper and image forming method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482923B1 (en) * | 1990-10-26 | 2001-01-31 | Canon Kabushiki Kaisha | Image transmitting transparent films and method for forming images using the same |
| EP0570740B1 (en) * | 1992-04-30 | 1999-07-21 | Canon Kabushiki Kaisha | Image forming method, image forming apparatus and transparent film |
| EP0809154B1 (en) * | 1996-05-22 | 2009-08-26 | Seiko Epson Corporation | Image receiving sheet |
| JP3664855B2 (en) * | 1997-08-15 | 2005-06-29 | 富士ゼロックス株式会社 | Image forming method and recording medium used therefor |
-
2001
- 2001-04-27 JP JP2001131573A patent/JP2002341580A/en active Pending
-
2002
- 2002-04-02 EP EP02725468A patent/EP1395879A1/en not_active Withdrawn
- 2002-04-02 CN CNA02809011XA patent/CN1505774A/en active Pending
- 2002-04-02 WO PCT/US2002/010246 patent/WO2002088847A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002088847A1 (en) | 2002-11-07 |
| JP2002341580A (en) | 2002-11-27 |
| EP1395879A1 (en) | 2004-03-10 |
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