JPH1148651A - Information carrying sheet for ink jet recording - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an offset phenomenon by forming fine irregularities by aggregate of fine particular filler on a surface of an adhesive composition layer. SOLUTION: A pressure sensitive adhesive composition layer containing 30 to 100 pts.wt. of fine particle filler exhibiting non-affinity to pressure sensitive adhesive baser per 100 pts.wt. of the adhesive base and containing cationic substance is formed on at least part of a base sheet surface. And, fine irregularities of aggregate of the filler are formed on a surface of the layer. That is, a surface of the base sheet is coated with the composition by a gravure coater, and fine irregularities made of aggregate C of the filler P are provided on the surface of the sheet S. Incidentally, as the filler, a combination of silica with the other filler is suitable. And, when a combination of two or more types having different particle sizes is used, the surface of the adhesive layer can be easily formed in irregularities, and hence its blocking resistance is advantageously improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information carrying sheet for ink-jet recording, and more particularly to a spread which can be temporarily adhered to a pressure-sensitive adhesive composition and which can be easily peeled off when necessary. The present invention relates to an information carrying sheet having a surface, an offset sheet suitable for a confidential information sheet such as a folding card, a superimposing card, an information concealing sheet, a scalable arrangement sheet, a printing sheet, a copy sheet, etc. The present invention relates to an ink jet recording information carrying sheet having an improved phenomenon.

[0002]

2. Description of the Related Art In recent years, with the amendment of the Postal Law, postcard systems having confidentiality have been put to practical use and have begun to spread.
This postcard system having confidentiality, for example, folds a postcard on which personal information or various information such as print information and print information are described, glues the overlapped portion, hides the information, and then mails the postcard. In this system, the recipient reads the hidden information by peeling off the overlapped portion again.

An information carrier having at least a part of a surface of a base sheet provided with a layer of an adhesive composition comprising a pressure-sensitive adhesive base and a fine-grained filler having an incompatibility with the adhesive base. Sheet has been proposed (JP-A-4-59395). This information carrying sheet is an information carrying sheet having excellent properties, but has a disadvantage that information recorded on an adhesive surface by an ink jet recording method is transferred to an opposite surface when an interface is peeled off, and an offset phenomenon occurs.

Since inks for ink jet printers are water-soluble, they have the disadvantage that they are melted when wet with rain or the like and become invisible, so that the printed contents cannot be seen. However, even when this water-resistant ink is used, when an ink-jet recording method is used for recording on the bonding surface of the information carrying sheet, an offset phenomenon occurs in which the ink is transferred to the opposite bonding surface during peeling. I found out.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to enable recording by an ink jet recording system, and to peel off the interface so that information hidden inside can be seen. An object of the present invention is to provide an ink jet recording information carrying sheet with an improved offset phenomenon in which information recorded on a surface is transferred to an opposite adhesive surface.

[0006]

The present inventors have conducted intensive studies to develop an information-carrying sheet having the above characteristics. An adhesive that contains a substance and a fine-grained filler that shows incompatibility with this pressure-sensitive adhesive base in a smaller amount than the conventional example, and further contains a water-soluble polymer if necessary. The composition is applied to the surface of a base sheet using a gravure coater to form fine irregularities larger than the average particle diameter of the finely divided filler, for example, about three times or more, thereby improving the offset phenomenon. The inventors have found that an information carrying sheet can be obtained, and have completed the present invention.

According to a first aspect of the present invention, there is provided a pressure-sensitive adhesive base and a fine particulate filler having an incompatibility with the adhesive base are used in an amount of 30 to 30 parts by weight based on 100 parts by weight of the adhesive base. 100
An ink-jet recording information-carrying sheet comprising a part by weight and a pressure-sensitive adhesive composition layer containing a cationic substance formed on at least a part of a surface of a base sheet, wherein the adhesive An ink jet recording information carrying sheet with improved offset phenomenon, characterized in that fine asperities are formed on the surface of a composition layer by an aggregate of the fine particulate filler.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The information carrying sheet of the present invention is applicable to various types of postcards such as three-folded postcards, two-folded postcards, and partially folded type postcards, and cards. As an example of these postcards and cards, for example, in the case of the three-fold postcard shown in FIG. 1, first, as shown in FIG. 2 and 4, the portion provided with the adhesive layer 1 on the surface is folded along the dotted line portion 3 ', and is overlapped and adhered to the adhesive layer 1, and the two portions shown in FIG. In the case of the folded postcard and the partially folded type postcard shown in FIG. 3, as shown in FIGS. 6 and 7, a portion provided with the adhesive layer 1 on one surface is folded along a dotted line portion 3 ', and the adhesive layer surface is folded. They are superimposed and bonded.

In the case of the type shown in FIG. 4, adhesive layers 1 and 2 are provided on the superposed surfaces, and the surfaces are superposed and bonded.

Referring to FIGS. 1 and 2, an adhesive layer 1 and an adhesive layer 2 are shown.
May be in this state, but the adhesive layer may be provided on the entire surface by applying the adhesive composition over the periphery of the paper transfer hole.

Although the case where the information carrying sheet of the present invention is used as a postcard has been described above as an example, it can be widely applied to various other notification cards and the like. For example, an adhesive layer is provided on the entire back surface of the sheet. After printing and writing information on the front side, fold it in half and bond the adhesive layer, create a sheet with information on both front and back sides, peel off the adhesive side when necessary, and put the information side on the same side An adhesive layer may be appropriately provided on the entire surface or a part of the front and back surfaces of the sheet, or both surfaces, or one surface of the sheet, depending on the folded form of the sheet and the purpose of use, such as development, organization, and storage. Further, in order to easily perform peeling after bonding, a configuration may be made such that a step is generated in the sheet overlapped at the end opposite to the folded portion of the sheet, and a finger hook portion may be formed, or one end side Alternatively, a non-adhesive portion may be formed to form a finger hook portion.

Next, the adhesive composition for forming the pressure-sensitive adhesive composition layer of the information carrying sheet of the present invention will be described. The adhesive composition used for the information-carrying sheet of the present invention is a pressure-sensitive adhesive composition, and as an adhesive base,
An appropriate one is used. These are used as ordinary adhesives, and originally should not be peeled off once bonded.

The pressure-sensitive adhesive composition layer has a property of bonding by pressure without bonding in a normal state, and the adhesive base is not particularly limited.
It can be arbitrarily selected from those conventionally used for ordinary pressure-sensitive adhesives such as natural rubber and synthetic rubber. Examples thereof include a raw natural rubber latex, a vulcanized natural rubber latex, a natural rubber latex obtained by graft copolymerizing styrene and methyl methacrylate on natural rubber, and a mixture thereof. Further, a synthetic rubber latex such as SBR latex or BR latex may be added thereto. Latexes such as raw natural rubber latex and vulcanized natural rubber latex have poor surface strength and poor fixability to paper as compared with the copolymerized latex. Therefore, it is preferable to reinforce with a water-soluble polymer or the synthetic rubber latex. Vulcanized natural rubber latex is superior to raw natural rubber latex in mechanical stability and surface strength. Among these, natural rubber latex obtained by graft copolymerizing styrene and methyl methacrylate to natural rubber is preferable in terms of blocking resistance, heat resistance, abrasion resistance, etc. used.

As the vulcanizing agent for the natural rubber latex, organic peroxides, metal oxides, sulfur, metal halides and amines are used. Among them, organic peroxides are preferably used. The addition amount of an organic peroxide such as methyl ethyl ketone peroxide is about 0.5 to 2.0% by weight.

The cationic substance incorporated in the adhesive composition disintegrates when dissolved in water to exhibit cationic properties.
A monomer of a tertiary to tertiary amine or a quaternary ammonium salt,
It is an oligomer or a polymer, preferably an oligomer or a polymer. As examples of particularly preferred cationic substances, specifically, for example, dimethylamine / epichlorohydrin polycondensate, acrylamide / diallylamine copolymer, polyvinylamine copolymer, dicyandiamide, a compound containing dimethyldiallyl ammonium chloride as a main component Alternatively, a mixture of two or more of these can be mentioned. As the cationic substance in the present invention, a cationic resin is preferably used, and a commercially available one can be suitably used. Specific examples of commercially available cationic resins include, for example, Sanfix 7 manufactured by Sanyo Chemical Industries, Ltd.
0, Showa Polymer PolyFix 900, Japan NSC K
-11 and the like.

In the present invention, the mixing ratio of the cationic substance to the adhesive composition is not particularly limited since it varies depending on the type of the base sheet such as ink-jet ink, paper and the like, and the pressure-sensitive adhesive base. However, it does not adversely affect the adhesiveness, blocking resistance, heat and abrasion resistance of the information-carrying sheet of the present invention, and exemplifies the mixing ratio of a preferable cationic substance to the adhesive composition for improving the offset phenomenon. Then, an example can be cited in which about 1 to 30 parts by weight is added to 100 parts by weight of the pressure-sensitive adhesive base.

Examples of the finely divided filler having an affinity for the adhesive base in the adhesive composition include those having a small affinity for the adhesive base, for example, zinc oxide, titanium oxide, calcium carbonate, kaolin. Activated clay, spherical alumina, wheat starch, silica, glass powder, shirasu balloon and the like are used. These materials may be used alone or in combination of two or more, but a combination of silica and another filler is particularly preferable. Also,
When two or more kinds of particles having different particle diameters are used in combination, the surface of the adhesive composition layer is easily formed in an uneven shape, which is advantageous for improving the blocking resistance and the peeling performance.

By adding the silica, the coating film of the adhesive can be strengthened, and since the silica is porous, the adhesive easily adheres to the surface, and the adhesive force and the peeling force are easily adjusted. These fine particulate fillers have an average particle size of 1
Those having a range of 0 nm to 30 μm, preferably 1 μm to 20 μm are suitable.

The adhesive composition used in the present invention may further contain a water-soluble polymer. The water-soluble polymer may be a natural product, a synthetic product, or a mixture thereof. For example, polymethyl methacrylate, polyvinyl alcohol (PVA), carboxymethyl cellulose (CM)
C), hydroxyethyl cellulose (HEC), casein, starch and the like. The purpose of adding a water-soluble polymer to the adhesive composition is mainly to improve the surface strength of the adhesive, but accompanying this, it is necessary to improve the coating suitability and to adjust the adhesive strength (to be reduced by the addition). )
This also has the effect of improving the fixability of the filler to a base sheet such as paper or paper.

In the present invention, the adhesive composition is used,
As shown in the enlarged explanatory view of the adhesive composition layer in FIG. 8, the base sheet S was applied to the surface of the base sheet by a gravure coater.
It is important to provide fine irregularities made of the aggregate C of the fine particle filler P on the surface.

The substrate sheet to which the adhesive composition is applied may be a synthetic paper or a synthetic film of polyethylene, polyethylene terephthalate, polypropylene, vinyl chloride or the like in addition to ordinary paper. The surface of the base sheet may be subjected to a surface treatment such as a mat treatment or a corona treatment.

The adhesive composition is applied to a transfer roll provided in a gravure offset type coating machine (gravure coater) in a predetermined engraving pattern, for example, a regular triangle, trapezoid, or the like.
Alternatively, with a sculpture pattern in which slots having a surface shape such as a square are continuous about 90 to 130 per inch,
In the case where fine irregularities are formed on the surface of the base sheet by coating at about 1 to 30 g / m ^2, which is the same as the conventional coating amount, blocking resistance is set to less than 30 parts by weight based on 100 parts by weight of the adhesive base In addition, the adhesive strength is too strong to make peeling impossible, and the offset phenomenon cannot be improved. On the other hand, if it exceeds 100 parts by weight, the adhesive strength tends to be too low, and the desired purpose cannot be achieved.

Therefore, in order to improve the suitability for application, to give an appropriate adhesive force to the formed peelable adhesive film, and to be able to improve the offset phenomenon, it is necessary to appropriately select the compounding ratio. The mixing ratio of the fine particle filler to the adhesive base is 100
30 to 100 parts by weight based on parts by weight,
Preferably it is 50 to 90 parts by weight.

The adhesive composition used in the present invention may further contain another synthetic resin or rubber, an antioxidant, an ultraviolet ray inhibitor, a pigment, a dye, a lubricant, a foaming agent, without departing from the gist of the present invention. Conventional additives such as flame retardants may be added.

In the information carrying sheet of the present invention, it is important that at least a part of the surface of the base sheet is provided with fine irregularities composed of an aggregate of fine particle fillers. The coating method using a gravure coater for providing fine irregularities composed of an aggregate of the fine particle fillers on the surface of the base sheet is performed by setting the mixing ratio of the fine filler to 100 parts by weight of the adhesive base as described above. In addition to being economical from various viewpoints such as the following, it is easy to impart the above-mentioned properties to the information carrying sheet.

At the time of coating with a gravure coater, the pressure-sensitive adhesive base (eg, natural rubber), the cationic substance, and the water-soluble polymer spread more rapidly than the finely divided filler silica or wheat starch. The composition of the central part of the convex part of the adhesive composition is more than the composition of the original adhesive,
The finely divided filler silica and wheat starch are increased, that is, aggregates are formed. Therefore, it is considered that the adhesion to the base sheet surface is made by the natural rubber in the convex portion and the natural rubber spread out (from the convex portion).

The blocking resistance of the information-carrying sheet of the present invention is improved by silica or wheat starch as a fine-grained filler, but the layer of the adhesive composition has a large number of particles larger than the average particle diameter of the fine-grained filler. Therefore, the blocking resistance and the offset phenomenon of the information carrying sheet are improved as compared with the case where the information carrying sheet is uniformly applied without providing the fine unevenness. In addition, the fine particulate filler in the convex portion is fixed with a natural rubber and a water-soluble polymer, and further, the convex portion is
It is bonded to the base sheet surface by the spread natural rubber and the water-soluble polymer.

In this way, the layer of the adhesive composition can be more firmly fixed to the base sheet surface than when the adhesive composition is uniformly present on the base sheet surface, and the filler In some cases, the compounding amount of the filler is small, the filler does not fall off, the printability, printer suitability, sealer suitability, etc. are greatly improved, and an information carrying sheet with greatly improved offset phenomenon can be obtained. Conceivable.

Further, in the present invention, since a cationic substance is added to the adhesive composition, the offset phenomenon is further synergistically reduced. The reason for this is not clear, but is thought to be due to the fact that the pigment in the water-resistant ink, or another component, in some way binds to the cationic substance in the adhesive composition to improve the fixing power to the printed adhesive layer. It is. The reason why the information-carrying sheet of the present invention having the above excellent characteristics can be obtained is not limited to this concept.

The information carrying sheet of the present invention can be obtained by providing at least a part of the surface of the base sheet with fine irregularities composed of an aggregate of fine particle fillers. / Cm ^{2 to} 10 kg / cm ² , and presses an excessive protrusion on the surface of the adhesive composition layer to further improve the blocking property and the print fixing suitability.

As shown in FIGS. 1 to 7, for example, such an information carrying sheet has three-fold postcards, two-fold postcards, partially folded postcards, and superimposed postcards. The adhesive composition layer is used as a postcard having, for example, a rearranging sheet that can be enlarged in size, a printing sheet, a copying sheet, or the like. In particular, a sheet in which at least a part of the adhesive composition layer has a hiding information writing surface is preferable.

Recording of information in the present invention is performed by an ink jet recording system. The ink jet recording system records images, characters, etc. by flying micro droplets of ink by various operating principles and attaching them to a base sheet such as paper. Easy,
It has features such as high flexibility of recording patterns and no need for development-fixing, and is rapidly spreading in various applications as a recording device for various figures including kanji and color images. Further, it is possible to obtain an image formed by the multi-color ink jet recording method, which is comparable to multi-color printing by a plate making method or printing by a color photographic method. Further, in applications requiring a small number of copies, since it is cheaper than by photographic technology, it is being widely applied to the field of full-color image recording.

The ink for ink jet recording which can be used in the present invention is described in, for example, JP-A-7-2.
Nos. 28808 and 7-228809 can be used. In particular, anthraquinones,
Benzoquinone, naphthoxyquinone, xanthene,
Triphenylmethane, quinoline, indigoid,
At least one anionic ink selected from the group consisting of azine, oxazine, thiazine and methine dyes is preferably used. These specific examples are illustrated in paragraph No. 0015 of JP-A-7-228809. As a medium used for this ink, a mixed solvent of water and a water-soluble organic solvent can be used.
In addition, a pH adjuster, a viscosity adjuster, a surface tension adjuster and the like can be contained.

[0034]

Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples unless it departs from the gist of the present invention.

The blocking resistance, heat and wear resistance and the degree of offset phenomenon were determined as follows.

(1) Blocking resistance The surface of the adhesive composition layer of the test sample was put together, and 50
After applying a pressure of 0 g / cm ² and leaving at 50 ° C. for 30 minutes,
The peel strength was measured. Blocking resistance (peel strength)
(G / cm) having a value of 5.0 or less ◎, 5.1 to 8.
A sample having a range of 0 was marked with ○, a sample with a range of 8.1 to 10.0 was marked with Δ, and a sample with 10.1 or more was rated X. For the measurement of peel strength, a tensile tester Autograph AGS50 manufactured by Shimadzu Corporation was used.
Type used. ◎: Excellent, ○: Good, △: Acceptable, ×: Not Acceptable

(2) Heat and abrasion resistance The surface of the adhesive composition layer was abraded with a metal at a temperature of 150 ° C. while applying a load of 200 to 500 g / cm ² , and the degree of wear was visually examined. As a result, the ratio of the broken area in the tested area was 10% or less: excellent, 30% or less: good, 50% or less: acceptable, and 51% or more: unacceptable.

(3) Degree of offset phenomenon A color inkjet printer (trade name: MJ-700V) was applied to the test sample (information carrying sheet) immediately after production.
2C, manufactured by Epson Corporation), and black-colored (black ink) multi-color solid printing was performed on the adhesive composition surface, and then heat-fixed, and V-shaped so that the adhesive composition surface was inside. After being folded into a postcard size (10 cm × 15 cm), it was passed through a pressure-adjustable pressure roller (SP401, manufactured by Japan ADM Co., Ltd.) to be pressure-bonded and integrated to obtain a folded pressure-card postcard. The pressure was adjusted on the clearance scale. After crimping, it was cut into strips with a width of 25 mm and peeled again at a peeling speed of 300 mm / min using a Tensilon universal tensile tester. Thereafter, the state of printing was visually determined. ◎ indicates that the solid printing form remains exactly and the offset phenomenon has not occurred, and △ indicates that the printing has slightly transferred to the adhesive composition surface opposite to the printed surface and the offset phenomenon has occurred slightly. The print was transferred to the surface of the adhesive composition opposite to the surface on which the print was performed, and the case where the offset phenomenon clearly occurred was judged to be x.

Example 1 15 parts of silica gel (Nipsil E200, manufactured by Nippon Silica Kogyo Co., Ltd.) having an average particle size of 4 μm per 100 parts of natural rubber latex (natural rubber content 60%) base adhesive (in terms of solid content), A pressure-sensitive adhesive composition was prepared by adding 15 parts of a wheat starch having an average particle size of 15 μm and 7 parts of a cationic resin (manufactured by Sanyo Chemical Industries, Sunfix 70). Next, using a gravure coater, the pressure-sensitive adhesive composition was coated on 70 kg of high-quality paper at a coating amount of 4 to 5 g / m ^2.
(Solid content conversion), then 100 ℃
For 1 minute to prepare a test sample having a pressure-sensitive adhesive composition layer having fine protrusions of about 100 pieces per inch having a height of about several tens of μm, and each physical property was evaluated. Table 1 shows the results.

(Example 2) The silica gel of Example 1 was replaced with 20
Parts and 30 parts of wheat starch, a test sample was prepared in the same manner as in Example 1, and each physical property was evaluated. Table 1 shows the results.

Example 3 The silica gel of Example 1 was replaced with 30
, A test sample was prepared in the same manner as in Example 1 except that the wheat starch was 60 parts and the cationic resin was 12 parts, and each physical property was evaluated. Table 1 shows the results.

Example 4 The silica gel of Example 1 was replaced with 40
, A test sample was prepared in the same manner as in Example 1 except that the wheat starch was 40 parts and the cationic resin was 12 parts, and each physical property was evaluated. Table 1 shows the results.

Example 5 The silica gel of Example 1 was replaced with 20
, A test sample was prepared in the same manner as in Example 1 except that 30 parts of wheat starch and 15 parts of the cationic resin were used, and each physical property was evaluated. Table 1 shows the results.

Example 6 The silica gel of Example 1 was replaced with 30
, A test sample was prepared in the same manner as in Example 1 except that 60 parts of wheat starch and 20 parts of the cationic resin were used, and each physical property was evaluated. Table 1 shows the results.

(Comparative Example 1)
, A test sample was prepared in the same manner as in Example 1 except that 100 parts of wheat starch and 12 parts of the cationic resin were used, and each physical property was evaluated. Table 1 shows the results.

Comparative Example 2 The silica gel of Example 1 was replaced with 10
0 parts, 250 parts of wheat starch, 22 parts of cationic resin
A test sample was prepared in the same manner as in Example 1 except that the test pieces were used, and each physical property was evaluated. Table 1 shows the results.

Comparative Example 3 The silica gel of Example 1 was replaced with 20
0 parts, 100 parts wheat starch, 20 cationic resins
A test sample was prepared in the same manner as in Example 1 except that the test pieces were used, and each physical property was evaluated. Table 1 shows the results.

Comparative Example 4 The silica gel of Example 1 was added to 50
Parts, 100 parts of wheat starch and 7 parts of the cationic resin, a test sample was prepared in the same manner as in Example 1, and each physical property was evaluated. Table 1 shows the results.

Comparative Example 5 The silica gel of Example 1 was replaced with 10
0 parts, 250 parts of wheat starch, 12 parts of cationic resin
A test sample was prepared in the same manner as in Example 1 except that the test pieces were used, and each physical property was evaluated. Table 1 shows the results.

(Comparative Example 6)
Parts and 40 parts of wheat starch, and a test sample was prepared in the same manner as in Example 1 except that the cationic resin was not blended, and each physical property was evaluated. Table 1 shows the results.

[0051]

[Table 1]

From Table 1, it can be seen that a cationic substance is blended, and a fine-grained filler showing an incompatibility with the conventionally used pressure-sensitive adhesive base is blended in a smaller amount than the conventional example. Examples 1 to 4 (in which 30 to 100 parts by weight of a fine particulate filler are blended with respect to 100 parts by weight of the adhesive base) show excellent blocking resistance, heat and abrasion resistance, and the offset phenomenon does not occur. I understand. On the other hand, Comparative Examples 1 to 5 in which a cationic substance was blended and the fine particulate filler was blended in an amount exceeding 100 parts by weight with respect to 100 parts by weight of the adhesive base had poor heat and wear resistance. In any case, an offset phenomenon occurs. Comparative Example 6, in which 90 parts by weight of the fine particle filler in the range of the present invention was blended with 100 parts by weight of the adhesive base without blending the cationic substance, exhibited excellent blocking resistance and heat and abrasion resistance. However, the offset phenomenon occurs slightly.

[0053]

The information-carrying sheet of the present invention can be obtained economically and advantageously at a low manufacturing cost, and can be recorded by an ink jet recording method, and the information hidden inside by peeling off the interface can be seen. Can be performed, and there is no risk of blocking due to stacking during storage of the sheet, no blocking occurs even after peeling, and the information recorded on the surface of the pressure-sensitive adhesive composition when the interface is peeled is opposite. No offset phenomenon that transfers to the bonding surface occurs.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an example of a postcard system having confidentiality.

FIG. 2 is an explanatory diagram showing an example of another embodiment of a postcard system having confidentiality.

FIG. 3 is an explanatory diagram showing an example of another embodiment of a postcard system having confidentiality.

FIG. 4 is an explanatory diagram showing an example of another embodiment of a postcard system having confidentiality.

FIG. 5 is an explanatory view of a folded state in FIG. 1;

FIG. 6 is an explanatory view of a folded state in FIG. 2;

FIG. 7 is an explanatory view of a folded state in FIG. 3;

FIG. 8 is an enlarged explanatory view of a pressure-sensitive adhesive composition layer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Surface pressure-sensitive adhesive composition layer 2 Back pressure-sensitive adhesive composition layer 3, 3 'fold line

Claims (1)

[Claims] 1. An adhesive base comprising: a pressure-sensitive adhesive base; and a finely divided filler having an incompatibility with the adhesive base.
30 to 100 parts by weight with respect to 0 parts by weight, and a pressure-sensitive adhesive composition layer containing a cationic substance is formed on at least a part of the surface of a base sheet for ink-jet recording information carrying. An ink-jet recording information-carrying sheet having an improved offset phenomenon, characterized in that a fine unevenness is formed on the surface of the adhesive composition layer by the aggregate of the fine-particle filler. .