WO2007113982A1

WO2007113982A1 - Image-receiving sheet for electrostatic charge liquid image development, and image-receiving label for electrostatic charge liquid image development

Info

Publication number: WO2007113982A1
Application number: PCT/JP2007/054583
Authority: WO
Inventors: Soichiro Fujinaga
Original assignee: Lintec Corporation
Priority date: 2006-03-31
Filing date: 2007-03-08
Publication date: 2007-10-11
Also published as: TW200807190A; JP4860326B2; JP2007272064A

Abstract

Disclosed is an image-receiving sheet or label for electrostatic charge liquid image development, which has an image-receiving layer excellent in adhesion to a toner image formed by electrostatic charge liquid image development and adhesion to a substrate. The image-receiving sheet is characterized in that a coating solution containing an ethylene-(meth)acrylic acid copolymer and an isocyanate closslinking agent produced by blocking tetramethylxylylene diisocyanate is applied onto at least one surface of a substrate and then dried to form an image-receiving layer.

Description

Specification

Image receiving sheet for electrostatic charge liquid development and image receiving label for electrostatic charge liquid development

TECHNICAL FIELD [0001] The present invention relates to an electrostatic charge liquid developing image receiving sheet and an electrostatic charge liquid developing image receiving label which are excellent in adhesion to a toner image by electrostatic charge liquid development.

Background art

[0002] With the diverse needs of consumers, today there is a tendency that even in the production of printed matter, production of a small quantity and a variety of products is required. Therefore, as a method for meeting such a demand, an electrophotographic method that does not require a plate making process that is costly and time consuming is attracting attention. Among them, the electrostatic charge liquid development method, which is a wet electrophotographic method using a liquid toner, has a smaller average particle size of the particles constituting the toner than the dry electrophotographic method using a powder toner. High precision as high as gravure printing and offset printing can be achieved. In this electrostatic charge liquid development method, first, an electrostatic latent image is formed by irradiating a charged drum with a laser beam to dissipate the charge, and a liquid toner having a charge is brought into contact with the latent image to form an image. Develop. Next, the image is blown to a drum force intermediate transfer member by static electricity, the image is thermally melted on the intermediate transfer member, and transferred to an image receiving sheet by heat and pressure to fix the image.

[0003] It is well known that when the substrate of this image receiving sheet is a plastic film, a plastic sheet or the like, there is a problem that the toner image having low adhesion between the toner image and the image receiving sheet is easily peeled off from the image receiving sheet. It is a fact that has been. Therefore, as a method for improving the adhesion between the toner image and the image receiving sheet, for example, Patent Document 1 discloses a sheet in which a resin mainly composed of polyethylene serving as an image receiving layer is applied to the surface of a base material. It is described. Patent Document 2 describes that a primer layer made of an ethylene-acrylic acid-based resin or a polybutadiene-based resin serving as an image receiving layer is formed on a printed material such as a plastic film.

Patent Document 1: Japanese Patent Laid-Open No. 9-281738

Patent Document 2: Japanese Patent Laid-Open No. 10-76744 Disclosure of the invention

Problems to be solved by the invention

[0004] However, the image receiving sheets described in Patent Document 1 and Patent Document 2 have insufficient adhesion between the image receiving layer and the toner image, and the adhesion between the substrate and the image receiving layer. Was insufficient. Accordingly, the present invention provides an image-receiving sheet for developing an electrostatic charge liquid and an image-receiving label for an electrostatic charge liquid image provided with an image-receiving layer having excellent adhesion to a toner image as well as adhesion to a toner image by electrostatic charge liquid development. The purpose is to do.

Means for solving the problem

[0005] As a result of intensive research in view of the above points, the present inventor has found that an isocyanate cross-linking in which ethylene '(meth) acrylic acid copolymer and tetramethylxylylene diisocyanate are blocked on the surface of the substrate. The image-receiving layer formed by applying and drying a coating solution containing an agent (hereinafter abbreviated as “TMXDI block isocyanate cross-linking agent”) exhibits excellent adhesion to toner images by electrostatic charge liquid development. In addition, it has been found that the adhesion to the substrate is also excellent.

[0006] The electrostatic charge liquid developing image-receiving sheet of the present invention made on the basis of the above findings is characterized in that, as described in claim 1, at least one side of the substrate has an ethylene '(meth) acrylic acid copolymer and T MXDI. An image receiving layer is formed by applying a coating liquid containing a block isocyanate cross-linking agent and drying it.

Further, the electrostatic charge liquid developing image-receiving sheet according to claim 2 is different from the electrostatic charge liquid development image-receiving sheet according to claim 1 in that the fixing resin of the liquid toner used for electrostatic charge liquid development is ethylene. A (meth) acrylic acid copolymer is included.

The electrostatic charge liquid developing image receiving sheet according to claim 3 is the electrostatic charge liquid developing image receiving sheet according to claim 1 or 2, wherein the image receiving layer has a thickness of 0.1 to 5.0 m. Features.

Further, the electrostatic charge liquid developing image-receiving sheet according to claim 4 is the same as the electrostatic charge liquid developing image-receiving sheet according to any one of claims 1 to 3, and further the drying temperature of the coating liquid applied to the substrate. The temperature is 60 to 80 ° C.

The image receiving label for developing an electrostatic charge liquid according to the present invention is as defined in claim 5, A pressure-sensitive adhesive layer and a release material are laminated in this order on the surface opposite to the surface of the substrate on which the image-receiving layer of the image-receiving sheet for developing electrostatic charge liquid according to any one of 4 is formed. The invention's effect

In the electrostatic charge liquid developing image-receiving sheet of the present invention, a coating liquid containing an ethylene (meth) acrylic acid copolymer and a TMXDI block isocyanate cross-linking agent is applied to at least one surface of a substrate. The image-receiving layer provided by drying exhibits excellent adhesion to a toner image obtained by electrostatic charge liquid development and also excellent adhesion to a substrate. Therefore, by using the electrostatic charge liquid developing image-receiving sheet of the present invention, the transferred image can be fixed satisfactorily, and electrostatic charge liquid development satisfying the requirements for high-definition production of a small quantity and a wide variety of prints is possible. It becomes.

BEST MODE FOR CARRYING OUT THE INVENTION

[0008] In the image-receiving sheet for developing an electrostatic charge liquid of the present invention, at least one surface of a substrate is coated with a coating liquid containing an ethylene '(meth) acrylic acid copolymer and a TMXDI block isocyanate cross-linking agent. And dried to form an image receiving layer.

[0009] The ethylene '(meth) acrylic acid copolymer as a constituent component of the coating solution for forming the image receiving layer in the image receiving sheet for developing an electrostatic charge liquid of the present invention has various aqueous solution types and dispersion types. A commercially available product or a known product can be used. For example, water-soluble ethylene / acrylic acid copolymers include Hitech S-3121 (trade name) from Toho Chemical Industries, Seixen A (trade name) from Sumitomo Seika Co., Ltd., and DP1000 from Michael Mann. Examples of the dispersion type ethylene / acrylic acid copolymer include Rikabond IV-8 (trade name) manufactured by Chuo Rika Kogyo Co., Ltd. In addition, as an aqueous solution type ethylene 'methacrylic acid copolymer, Hitech SC-100 (trade name) from Toho Chemical Industry Co., Ltd. is listed, and as a dispersion type ethylene' methacrylic acid copolymer, Rika Kogyo's Aquatex AC-3100 (trade name). The components of the coating liquid include ethylene. (Meth) acrylic acid copolymer, ethylene '(meth) acrylic acid methyl copolymer, ethylene. (Meth) acrylic acid ethyl copolymer, ethylene' (meta ) Ethylene '(meth) acrylate copolymer such as propyl acrylate copolymer, ethylene. Butyl (meth) acrylate copolymer, ethylene' (meth) acrylate 2-ethylhexyl copolymer, etc. Shi May be.

[0010] TMXDI in the TMXDI block isocyanate cross-linking agent has a high saturated vapor pressure. It is desirable to use it as a burette body, isocyanurate body, or adduct body. Blocking agents used for blocking TMX DI include oximes such as methyl ketyl ketoxime aceto oxime, alkylphenols exemplified by nourphenol octyl phenol, cetyl acetate acetyl and malonic acid. Active methylenes exemplified by ethyl and ratatams exemplified by epsilon prolatatam, and the like. Among them, oximes having a relatively low dissociation temperature are preferred. The isocyanate group of TMXDI is activated when the blocking agent dissociates due to the high temperature during drying or printing of the coating solution. TMXDI block isocyanate cross-linking agents using oximes as block agents include Elastolon ΒΝ—08 (trade name) from Takeda Pharmaceutical Co., Ltd. ゃ 77— Μ9 (trade name) Etc.

[0011] The blending amount of the ethylene (meth) acrylic acid copolymer and the TMXDI block isocyanate cross-linking agent in the coating solution is less than 100 parts by weight of the ethylene '(meth) acrylic acid copolymer. MXDI block isocyanate cross-linking agent 1-50 parts by weight is desired 5-40 parts by weight (solid content ratio) If the blending amount of TMXDI block isocyanate cross-linking agent is less than 1 part by weight with respect to 100 parts by weight of ethylene '(meth) acrylic acid copolymer, the substrate and the image receiving layer may not be sufficiently adhered. On the other hand, if the amount exceeds 50 parts by weight, the toner image and the image receiving layer may not be sufficiently adhered. The solid content of the coating solution containing the ethylene '(meth) acrylic acid copolymer and ΤΜΧ DI block isocyanate cross-linking agent is preferably 0.5 to 30% by weight, and 1 to 25% by weight. More desirable. If the solid content is less than 0.5% by weight, the required coating thickness for forming the image receiving layer on the surface of the substrate may not be obtained. On the other hand, if the solid content exceeds 30% by weight, the viscosity of the coating liquid is high. There is a risk that a smooth coated surface may not be obtained.

[0012] It is desirable that the coating liquid be prepared using a mixed solvent of water and methyl alcohol.

By applying a coating solution prepared using a mixed solvent of water and methyl alcohol to the surface of the substrate, an image-receiving layer having excellent transparency without foaming or clouding can be formed. The mixing ratio of water and methyl alcohol is 10 to 60 methyl alcohol per 100 parts by weight of water. Part by weight is desirable. If the mixed amount of methyl alcohol is less than 10 parts by weight with respect to 100 parts by weight of water, the coating liquid may be repelled from the base material, and it may become impractical because of the longer drying time. If it exceeds, the coating solution may become gelled or a stable coating may not be performed immediately.

[0013] In addition, an inorganic pigment or an organic pigment may be appropriately added to the coating solution to prevent blocking, or an antifoaming agent, an ultraviolet absorber, an antioxidant, a leveling agent, viscosity adjustment. You may mix | blend an agent etc. suitably.

[0014] The substrate in the image receiving sheet for developing an electrostatic charge liquid according to the present invention is not particularly limited, but includes a polyester film exemplified by a polyethylene terephthalate film, a polyethylene film, a polypropylene film, a bull chloride film, and the like. A synthetic resin film can be suitably used. The thickness of the substrate is preferably 10 to 300 / ζ πι and more preferably 20 to 20. In order to improve the adhesion between the substrate and the image receiving layer, the substrate may be subjected to a treatment such as corona treatment or flame treatment. In addition, an anchor coat layer having a polyester-based resin, a acryl-based resin, and the like is provided on the substrate, and an image receiving layer is formed on the anchor coat layer.

[0015] Application of the coating liquid to the surface of the substrate may be performed using, for example, an air knife coater, a blade coater, a reverse roll coater, a gravure coater, a bar coater, or the like. Of these, a gravure coater can be preferably used. As a method for drying the coating liquid applied to the surface of the substrate, for example, hot air drying can be used. The drying temperature of the coating solution is preferably 60 to 80 ° C. If the drying temperature is less than 60 ° C, stable adhesion between the substrate and the image-receiving layer may be obtained, whereas if it exceeds 80 ° C, the toner image and the image-receiving layer are stable. There is a risk that it will be difficult to obtain the desired adhesion.

[0016] The thickness of the image receiving layer formed on the surface of the substrate as described above is preferably 0.1 to 5. O / zm, and more preferably 0.5 to 3.0 m. If the thickness of the image-receiving layer is less than 0.1 m, stable adhesion between the substrate and the image-receiving layer may be difficult to obtain. On the other hand, if the thickness exceeds 5. There is a risk that blocking may occur after scraping.

[0017] The electrostatic charge liquid developing image-receiving sheet of the present invention produced as described above is formed by laminating an adhesive layer and a release material in this order on the surface opposite to the surface of the substrate on which the image-receiving layer is provided. Yotsu Thus, an image receiving label for developing an electrostatic charge liquid can be obtained.

[0018] As the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer, an emulsion type, a solvent type, a solventless type, or a miscible pressure-sensitive adhesive may be used. A polyurethane-based pressure-sensitive adhesive or the like can be used. In addition, when heat resistance is required, a silicone pressure-sensitive adhesive having excellent heat resistance may be used. The thickness of the pressure-sensitive adhesive layer is preferably 5 to 60 m, more preferably 15 to 40 m. If the thickness of the adhesive layer is less than 5 m, the adhesive strength may be insufficient. On the other hand, if it exceeds 60 m, the adhesive may protrude. The pressure-sensitive adhesive layer may be formed, for example, by applying the pressure-sensitive adhesive to the surface of the substrate using a knife coater, roll coater, die coater or the like and then drying it. If a release material is laminated on the pressure-sensitive adhesive layer thus formed, an image receiving label for electrostatic charge liquid development can be produced. The image receiving label for developing an electrostatic charge liquid is coated with an adhesive on the surface of the release material using a knife coater or a roll coater, and then dried to form an adhesive layer.

The pressure-sensitive adhesive layer thus formed may be manufactured by laminating it on the surface opposite to the surface of the base material provided with the image receiving layer. Such a manufacturing method is desirable because heating in the drying process for forming the pressure-sensitive adhesive layer does not damage the image-receiving layer.

[0019] As the release material, plastic films such as polyethylene terephthalate film, foamed polyethylene terephthalate film, polypropylene film, coated paper, glassine paper, other paper such as polyethylene laminated paper, silicone-based, fluorine-based, long-chain alkyl What applied the release agent which also has system power can be used. The thickness of the release material is not particularly limited, but is usually about 20 to 200 μm.

[0020] The liquid toner for electrostatic charge development for forming an image layer applied to the image receiving sheet for electrostatic charge liquid development of the present invention includes a colorant for visualization and a colorant for the image receiving sheet. A general resin in which a fixing resin for fixing and a charge adjusting agent for adjusting electric characteristics are dispersed in a carrier liquid can be used.

[0021] As the colorant, known pigments and dyes conventionally used as colorants for liquid toners for electrostatic charge development, such as Hansa Yellow, Benzidine Yellow, Benzidine Orange, First Red, Brilliant Carmine 3B, Copper phthalocyan blue, phthalocyan green, spirit black, oil blue, alkali blue, rhodamine 6B, nig mouth Thin, carbon black, dichloroquinacridone, isoindoline, titanium oxide, etc. can be used.

[0022] As the fixing resin, known resins that have been conventionally used as fixing resins for liquid toners for electrostatic charge development, such as polystyrene, styrene'acrylic acid copolymer, polyacrylic acid, polyethylene, Thermoplastic resins such as ethylene '(meth) acrylic acid copolymer, ethylene' (meth) acrylic acid ester copolymer, polypropylene, polyester, polyurethane, and polyamide can be used alone or in combination. Examples of the fixing resin suitable for the image-receiving sheet for developing an electrostatic charge liquid of the present invention include those containing an ethylene ′ (meth) acrylic acid copolymer.

[0023] As the charge adjusting agent, metal salts of succinic acid such as naphthenic acid, otatenic acid, oleic acid and stearic acid, which are conventionally used as charge adjusting agents for liquid toners for electrostatic charge development, sulfosuccinic acid. Metal salts of acid esters, nonionic surfactants such as polyoxyethylated alkylamines, fats and oils such as lecithin and amateur oil, polybutyrrolidone, organic acid esters of polyvalent alcohol, and the like can be used.

As the carrier liquid, a hydrocarbon solvent having a high insulating property and a low dielectric constant is used. Preferably, it is a branched chain aliphatic hydrocarbon, and specifically, Isopar G, Isopar L, Isopar M (trade name of Exxon Chemical Co., Ltd.) and the like can be mentioned.

Example

Next, examples of the image receiving sheet for electrostatic charge liquid development and the image receiving label for electrostatic charge liquid development of the present invention will be described together with comparative examples, but the present invention is not limited to the following examples.

[0026] Example 1:

Aqueous ethylene-acrylic acid copolymer (manufactured by Sumitomo Seika Co., Ltd., trade name: Syxen A, solid content: 25.0% by weight) 100 parts by weight of TMXDI block isocyanate crosslinker (Daiichi Kogyo) Product name: Elastron BN-08, solid content: 34.5% by weight, type of blocking agent is oxime, dissociation temperature is 120 ° C) 8 parts by weight (solid content ratio) Further, a mixed solvent in which water Z methyl alcohol has a ratio of 100 parts by weight Z25 parts by weight was added and diluted to prepare a coating solution having a solid content of 9.5% by weight. Apply this coating solution to the corona treatment Apply a treated 50 m thick polyethylene terephthalate film (product name: Lumilar # 50 T-60) with a gravure coater on the corona-treated surface and dry at 70 ° C Thus, an image receiving layer for electrostatic charge liquid development was produced by forming an image receiving layer having a thickness of 0.8 m. This image-receiving layer had a smooth surface state and excellent transparency after drying.

Next, acrylic adhesive (manufactured by Toyo Ink Mfg. Co., Ltd.) was applied to the surface of the release layer of the release material (product of Lintec Co., Ltd., trade name: SP-8K, thickness 90 m) coated with silicone on the surface of dalasin paper. , Trade name: Olivevine BPS-1109) Roller so that the thickness after drying the pressure-sensitive adhesive with 3 parts by weight of 100 parts by weight of crosslinking agent (trade name: Coronate L, manufactured by Nippon Polyurethane Industry Co., Ltd.) It was applied using a coater and dried at 90 ° C. for 1 minute to form an adhesive layer. The pressure-sensitive adhesive layer on the release material was laminated on the surface opposite to the surface of the substrate on which the image receiving layer of the electrostatic charge liquid developing image receiving sheet was provided to produce an electrostatic charge liquid developing image receiving label.

[0027] Example 2:

Aqueous solution type ethylene 'acrylic acid copolymer (manufactured by Michael Mann Co., Ltd., trade name: DP100 0, solid content: 34.0% by weight) 100 parts by weight of TMXDI blocky isocyanate cross-linking agent used in Example 1 6 An electrostatic charge liquid developing image receiving sheet and an electrostatic charge liquid developing image receiving label were produced in the same manner as in Example 1 except that parts by weight were added (solid content ratio).

[0028] Example 3:

Except that 28 parts by weight of the TMXDI block isocyanate cross-linking agent used in Example 1 was added (solid content ratio) to 100 parts by weight of the aqueous ethylene-acrylic acid copolymer used in Example 1. In the same manner as in Example 1, an image receiving sheet for developing an electrostatic charge liquid and an image receiving label for developing an electrostatic charge liquid were produced.

[0029] Example 4:

Dispersion type ethylene 'methacrylic acid copolymer (manufactured by Chuo Ryo Industry Co., Ltd., trade name: Quattex AC-3100, solid content 45.0% by weight) used in Example 1 for 100 parts by weight An electrostatic charge liquid developing image receiving sheet and an electrostatic charge liquid developing image receiving label were produced in the same manner as in Example 1 except that 10 parts by weight of TMXDI block isocyanate cross-linking agent was added (solid content ratio). [0030] Comparative Example 1:

An electrostatic charge liquid developing image-receiving sheet and an electrostatic charge liquid developing image-receiving label were produced in the same manner as in Example 1 except that the TMXDI block isocyanate cross-linking agent was not added.

[0031] Comparative Example 2:

TMXDI block isocyanate cross-linking agent Instead of 8 parts by weight TDI block isocyanate cross-linking agent (tolylene diisocyanate block isocyanate cross-linking agent, manufactured by Daiichi Kogyo Seiyaku Co., Ltd., trade name: Elastron BN-44, solid min: 42.0 weight ^_0/0, its dissociation temperature type blocking agents in Okishi beam such except for the addition of 120 ° C) 10 parts by weight, an image receiving electrostatic liquid developer in the same manner as in example 1 A sheet and an image receiving label for electrostatic charge liquid development were produced.

[0032] Comparative Example 3:

TMXDI block isocyanate cross-linking agent Instead of 8 parts by weight MDI block isocyanate cross-linking agent (diphenylmethane diisocyanate type block isocyanate cross-linking agent, manufactured by Daiichi Kogyo Seiyaku Co., Ltd., trade name: Elastron BN-04, solid content: 33.5% by weight, the type of blocking agent is alkylphenols and its dissociation temperature is 120 ° C). Except for the addition of 8 parts by weight, the electrostatic charge liquid was the same as in Example 1. An image receiving sheet for development and an image receiving label for developing an electrostatic charge liquid were produced.

[0033] (Evaluation of adhesion between substrate and image-receiving layer)

The image receiving layer was evaluated by the X-cut tape method according to JIS K 5400 (1990). The score was 10 points when the X-cut portion was not peeled off, and 0 points when it was peeled larger than the X-cut portion. The results are shown in Table 1.

[0034] (Evaluation of adhesion between toner image and image receiving layer)

For each of the electrostatic charge liquid developing image-receiving sheets obtained in the examples and comparative examples, a black liquid toner for electrostatic charge development in which the fixing resin contains an ethylene '(meth) acrylic acid copolymer. (“ElectroInk Mark4.0.0—Black” manufactured by Hewlett-Packard) was used to perform solid printing on a printer using the electrostatic charge liquid development printing method (digital printer “Press WS 4000” manufactured by Hewlett-Packard). (Set transfer temperature: 100 ° C).

After applying cellophane tape made by CHIBAAN at a load of 20N to the printed surface, the tape is peeled off manually, and the reflection density before and after peeling of the tape-attached part is measured with a spectrocolorimeter (Nippon Denshoku) This was measured with a hand-held spectral color difference meter “NF 777CE” manufactured by Kogyo Co., Ltd., and the adhesion between the toner image and the image receiving layer was evaluated based on the measured value based on the residual concentration rate represented by the following formula. The results are shown in Table 1. Concentration remaining rate (%) = (Reflection density after peeling Z Reflection density before application) X 100

[table 1]

*: Peeling occurred at the interface between the substrate and the image receiving layer due to poor adhesion between the substrate and the image receiving layer.

As is apparent from Table 1, only when the TMXDI block isocyanate crosslinking agent is used as a component of the coating solution for forming the image receiving layer in the image receiving sheet for developing an electrostatic charge liquid, the substrate and the image receiving layer are separated. Both the adhesion and the adhesion between the toner image and the image receiving layer were good (Examples 1 to 4). When no crosslinking agent was added to the coating solution, the adhesion between the toner image and the image receiving layer was good, but the adhesion between the substrate and the image receiving layer was poor (Comparative Example 1). When a TDI block isocyanate crosslinker or MDI block isocyanate crosslinker is used as a crosslinker, these crosslinkers have the same dissociation temperature as that of the TMXDI block isocyanate crosslinker and the block agent. Both the adhesion between the toner image and the image receiving layer and the adhesion between the toner image and the image receiving layer were poor (Comparative Examples 2 and 3).

The reason why the above results are obtained is considered as follows. That is, the TMXDI block isocyanate cross-linking agent having two methyl groups at the α-position of the isocyanate group partially dissociates the block agent even at a temperature lower than the dissociation temperature of the block agent, so that the image receiving layer is formed. 70 ° C, which was adopted for forming the coating agent, and even when the coating liquid was dried, the dissociation of the blocking agent partially occurred, and the activated isocyanate groups formed the adhesion between the substrate and the image-receiving layer. At this stage, all the blocking agent does not dissociate, but the remaining blocking agent dissociates due to the subsequent transfer temperature of 100 ° C, and the toner image and the image receiving layer are separated. of This contributes to ensuring adhesion, and as a result, it is considered that both the adhesion between the substrate and the image receiving layer and the adhesion between the toner image and the image receiving layer are improved. In contrast, TDI block isocyanate crosslinkers and MDI block isocyanate crosslinkers are at 70 ° C !, and the block agent does not dissociate at such low temperatures. However, the dissociation of the blocking agent occurred at a transfer temperature of 100 ° C during printing, which contributed to ensuring the adhesion between the toner image and the image receiving layer. When the adhesion of the film was evaluated, it is considered that peeling occurred at the interface between the base material and the image receiving layer.

Industrial applicability

The present invention provides an image receiving sheet for developing an electrostatic charge liquid and an image receiving label for developing an electrostatic charge liquid provided with an image receiving layer having excellent adhesion to a toner image as well as adhesion to a toner image by electrostatic charge liquid development. It has industrial applicability in that it can.

Claims

The scope of the claims

[1] On at least one surface of the substrate, a coating solution containing an isocyanate cross-linking agent obtained by blocking ethylene '(meth) acrylic acid copolymer and tetramethylxylylene diisocyanate is applied and dried to form an image receiving layer. An image-receiving sheet for developing an electrostatic charge liquid, characterized by being formed.

2. The image-receiving sheet for electrostatic charge liquid development according to claim 1, wherein the fixing resin of the liquid toner used for electrostatic charge liquid development contains an ethylene ′ (meth) acrylic acid copolymer.

[3] The image receiving sheet for electrostatic charge liquid development according to claim 1 or 2, wherein the image receiving layer has a thickness of 0.1 to 5.0 m.

[4] The electrostatic charge liquid developing image-receiving sheet according to any one of claims 1 to 3, wherein the drying temperature of the coating solution applied to the substrate is 60 to 80 ° C.

[5] An adhesive layer and a release material are laminated in this order on the surface opposite to the surface of the substrate on which the image receiving layer of the electrostatic charge liquid developing image receiving sheet according to any one of claims 1 to 4 is formed. An image receiving label for electrostatic charge liquid development characterized by the above.