JP2001335072A - Cushioning material and cushioning label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cushioning material and a cushioning label on which fine letters can be sharply printed and which can be stuck to a medicine bottle or the like to effectively prevent the bottle from being broken. SOLUTION: The cushioning material has a printing receiving layer which is provided on at least one surface of a cushioning sheet consisting of 10-100 wt.% of a synthetic fiber and 0-90 wt.% of pulp. The cushioning label is composed of the printing layer, the cushioning sheet consisting of 10-100 wt.% of the synthetic fiber and 0-90 wt.% of the pulp, and an adhesive layer, wherein each of the layers is formed and laminated on one another in the order.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a cushioning material and a cushioning label. More specifically, the present invention relates to a cushioning material and a cushioning label capable of printing fine characters clearly and sticking to a medicine bottle or the like to effectively prevent damage to the bottle.

[0002]

2. Description of the Related Art Small glass bottles filled with medicine, etc.
In order to prevent the bottles from being damaged due to collision between bottles, the bottles are placed in a box provided with a partition plate such as a girder partition made of cardboard or the like, and shipped from a pharmaceutical manufacturer to a medical office or the like.
However, a box provided with a partition plate is not only expensive, but also causes a problem that it becomes waste and increases the load on the environment. Also, even if it is protected by a box with a partition plate during transportation, the glass bottle is stored in an exposed state after being taken out of the box at a medical office or the like, so the risk of damage due to collision between bottles can be avoided. Absent.

[0003]

DISCLOSURE OF THE INVENTION The present invention relates to a cushioning material and a label capable of printing fine characters clearly and sticking to a medicine bottle or the like to effectively prevent damage to the bottle. The purpose of this is to provide.

[0004]

The inventor of the present invention has made intensive studies to solve the above-mentioned problems, and as a result, the synthetic fibers 10 to 1
The cushioning material and the cushioning label having a print receiving layer on the surface of a cushion sheet composed of 00% by weight and 0 to 90% by weight of pulp can print fine characters clearly and have a large buffering effect. The present invention has been completed based on the findings. That is, the present invention provides (1) a cushioning material comprising a cushion sheet comprising 10 to 100% by weight of synthetic fibers and 0 to 90% by weight of pulp and having a print receiving layer on at least one surface thereof; 2. The cushioning material according to item 1, wherein the density is 0.05 to 0.5 g / cm ³ , (3) the cushioning sheet is made of synthetic fibers 20 to 8;
The buffer material according to claim 1 or 2, which is a mixed paper made from 5% by weight and 15 to 80% by weight of pulp;
4. The cushioning material according to item 1, 2 or 3, which is a bulked yarn, (5) the cushioning material according to item 4, wherein the bulked yarn is a polyester resin, (6) a print receiving layer, Synthetic fiber 10
A cushioning sheet comprising a cushion sheet and a pressure-sensitive adhesive layer composed of -100% by weight and 0 to 90% by weight of pulp, and (7) a cushion sheet having a density of 0.05 to 0.5 g. / Cm ³ , wherein the cushioning sheet is made of synthetic fibers 20 to 8;
The cushioning label according to claim 6 or 7, which is a mixed paper made of 5% by weight and 15 to 80% by weight of pulp, (9) The fiber according to claim 6, 7, or 7, wherein the synthetic fiber is a bulked yarn. Item 8 provides the cushioning label according to Item 9, and (10) the cushioning label according to Item 9, wherein the bulked yarn is a polyester resin.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The cushioning material of the present invention is a synthetic fiber 10
A cushioning sheet comprising 100% by weight and 100% by weight of pulp has a print receiving layer on at least one surface. The buffer label of the present invention comprises a print receiving layer, synthetic fibers 10 to 10
This is a label in which a cushion sheet comprising 0% by weight and 0 to 90% by weight of pulp and an adhesive layer are formed in this order. In the present invention, as the cushion sheet, a sheet having a wide composition range from a mixed paper made of 10% by weight of synthetic fibers and 90% by weight of pulp to a nonwoven fabric made of 100% by weight of synthetic fibers can be used. In this range, a mixed paper made of synthetic fibers of 20 to 85% by weight and pulp of 15 to 80% by weight can be particularly preferably used. When the content of the synthetic fiber in the cushion sheet is less than 10% by weight, the density of the cushion sheet may be increased, and the cushioning effect may be reduced. There is no particular limitation on the material of the synthetic fiber used in the present invention. For example, nylon resin, polyester resin, acrylic resin, polyvinyl alcohol resin, polypropylene resin, polyethylene resin, polyvinyl chloride resin, polyvinylidene chloride resin, polyurethane resin, aramid resin And a phenol resin. Further, in the present invention, recycled fibers such as rayon and semi-synthetic fibers such as acetate can be used as synthetic fibers. Among them, polyester resin fibers can be suitably used because they have a high Young's modulus and a good buffering effect, and have a small calorific value when burned during disposal. There is no particular limitation on the shape of the synthetic fiber used in the present invention, for example, a straight shape, a crimped shape,
Examples thereof include a coil shape.

[0006] The synthetic fiber used in the present invention is preferably a bulked yarn. There is no particular limitation on the bulked yarn, and examples thereof include a crimped yarn, a structural bulked yarn, and a composite processed yarn. The crimped yarn is a multi-filament yarn that is deformed and heat-set to bend the fibers.Because the fibers do not adhere to each other, a gap is created and the fibers become bulky, and the elasticity due to the bending of the fibers increases. Given. The crimping method is not particularly limited, and examples thereof include a false twisting method, a pushing method, a rubbing method, and a shaping method. Structural bulky processed yarn is one in which the length of fibers is irregular in a short range of a multifilament yarn to form an entangled structure, and fine loops of fibers can be formed by air injection. The composite processed yarn is obtained by aligning multifilament yarns having different elongations and performing false twist processing to produce a difference in fiber length, and has both a crimped bulk and a structural bulk. Among these, the crimped yarn can be particularly preferably used because a good buffering effect is obtained. Although the number of crimps of the crimped yarn is not particularly limited, JIS
The number of crimps measured according to L 1015 is 3 pieces / 25m
m, more preferably 5 to 15 pieces / 25 mm. In the present invention, a bulky processed yarn and an unprocessed yarn can be used in combination, and further, a synthetic fiber can be used in combination with glass fiber, metal fiber, carbon fiber, and the like.

In the present invention, when a mixed paper made of a mixture of synthetic fibers and pulp is used as a cushion sheet, the fiber length of the synthetic fibers is not particularly limited, but is preferably 1 to 30 mm, more preferably 2 to 15 mm. Is more preferred. If the fiber length of the synthetic fiber is less than 1 mm, a good buffering effect may not be exhibited. If the fiber length of the synthetic fiber exceeds 30 mm, the workability in the blending process may be deteriorated. In the present invention, when a non-woven fabric made of 100% by weight of synthetic fibers is used as the cushion sheet, both synthetic fibers and short fibers can be used. There is no particular limitation on the method for producing the nonwoven fabric, and in addition to the wet papermaking method, for example, chemical bond, thermal bond, air lay, spunlace,
Spunbond, melt blown, needle punch, stitch bond and the like can be mentioned. There is no particular limitation on the pulp used in the present invention, for example, cellulose pulp,
Synthetic pulp and the like can be mentioned. Examples of the cellulose pulp include cellulose pulp derived from vegetable materials such as softwood, hardwood, bamboo, rice straw, hemp, bagasse, and cotton, and recycled pulp obtained by recycling recovered wastepaper. Examples of types of pulp include mechanical pulp such as groundwood pulp, refiner groundwood pulp, thermomechanical pulp, chemithermomechanical pulp, and the like, chemical pulp such as sulfite pulp, kraft pulp, soda pulp, and organosolv pulp. it can. Examples of the synthetic pulp include polyethylene pulp and polypropylene pulp.

In the present invention, there is no particular limitation on the method for producing the mixed paper. For example, synthetic fibers and pulp are added to water to form a slurry, and if necessary, a binder, a sizing agent,
A paper stock can be prepared by adding a wet paper strength agent, an antifoaming agent, a filler, a pH adjuster, and the like, and can be made using a wet paper machine.
As the binder to be used, for example, acrylic resin,
Styrene resin, polyvinyl alcohol resin, vinyl acetate resin, vinyl chloride resin and the like can be mentioned. Examples of the sizing agent to be used include rosin resin, petroleum resin, styrene / acrylic resin, alkyl ketene dimer, alkenyl succinic anhydride and the like. Examples of the wet paper strength agent used include starch, carboxymethyl cellulose, polyvinyl alcohol, urea-aldehyde resin, melamine-formaldehyde resin,
Examples thereof include polyamide-urea-formaldehyde resin, ketone resin, polyamide-epichlorohydrin resin, and polyethyleneimine resin. As the filler used, for example, talc, clay, diatomaceous earth, calcium carbonate, magnesium carbonate, aluminum hydroxide,
Mineral fillers such as titanium oxide, magnesium sulfate, silica, aluminosilicate and bentonite, and organic synthetic fillers such as polystyrene particles and urea-formalin resin particles can be used. Cushion sheet used in the present invention preferably has a density of 0.05 to 0.5 g / cm ^3, more preferably 0.1 to 0.4 g / cm ^3. If the density of the cushion sheet is less than 0.05 g / cm ³ , the mechanical strength of the cushion sheet may be low and workability may be reduced. The density of the cushion sheet is 0.
If it exceeds 5 g / cm ³ , the cushioning effect may be insufficient as a cushioning material or cushioning label. The density of the cushion sheet can be measured according to JIS P8118. The cushion sheet used in the present invention preferably has a basis weight of 30 to 300 g / m ² , and 50 to 300 g / m ^2.
More preferably, it is 150 g / m ² . Basis weight 30
If it is less than g / m ² , the cushioning effect of the cushioning material or the cushioning label may be insufficient. When the grammage exceeds 300 g / m ² , the sticking property when sticking to an adherend such as a vial bin may be reduced.

In the cushioning material and the cushioning label of the present invention, the print receiving layer is formed on the cushion sheet. By forming the print receiving layer on the cushion sheet, the printability of the cushioning material and the cushioning label is improved, and when used as a label for a medicine bottle or the like, it is possible to clearly read the instructions for use printed with fine characters. . There is no particular limitation on the method for forming the print receiving layer. For example, paper or a film may be laminated on a cushion sheet to form a print receiving layer. In addition, when the cushion sheet is manufactured by the blending method, a print receiving layer can be simultaneously formed on the cushion sheet using a multilayer paper machine. Further, a coating liquid can be applied on the cushion sheet to directly form the print receiving layer. When a paper or a film is laminated on the cushion sheet to form a print receiving layer, the lamination method is not particularly limited.For example, lamination is performed using an adhesive or an adhesive, or a synthetic resin such as polyethylene resin is formed on the cushion sheet. Lamination by melt extrusion, further lamination of paper, film, etc., and lamination via a pressure roll, a cooling roll, etc. There is no particular limitation on the paper to be laminated,
For example, high-quality paper, coated paper, paper such as art paper, and the like can be used. The film to be laminated is not particularly limited, and examples thereof include films made of polyethylene resin, polypropylene resin, polyethylene terephthalate resin, ethylene-vinyl acetate copolymer resin, polyvinyl chloride resin, and polyurethane resin. The basis weight of the paper to be laminated is preferably 30 to 200 g / m ^2, and more preferably 50 to 100 g / m ^2. In addition, the thickness of the film to be laminated is 5 to 100 μm
And more preferably 10 to 75 μm.

When a print receiving layer is simultaneously formed on a cushion sheet by using a multi-layer paper machine, a plurality of fourdrinier machines, circular net machines are used in combination, and A high quality paper or the like made of another long net can be laminated on the cushion sheet thus formed. When a coating solution is applied directly onto a cushion sheet to form a print-receiving layer directly, a pigment such as clay, calcium carbonate, titanium oxide, and a binder such as starch, casein, synthetic latex, etc., are blended and applied. A working liquid can be prepared, applied using an air knife coater, a bar coater, a transfer roll coater, a blade coater, or the like, and dried. The application amount of the coating liquid is 2 to 2 as a dry solid content.
It is preferably 50 g / m ^2, and more preferably 5 to 30 g / m ^2. In the present invention, the pressure-sensitive adhesive for forming the pressure-sensitive adhesive layer is not particularly limited, and examples thereof include an acrylic pressure-sensitive adhesive and a rubber-based pressure-sensitive adhesive. The thickness of the adhesive layer is preferably from 5 to 100 μm, more preferably from 10 to 50 μm. still,
Before the preparation of the buffer label and the use of the buffer label, a release paper is usually temporarily attached to the surface of the pressure-sensitive adhesive layer for the purpose of protecting the pressure-sensitive adhesive. There is no particular limitation on the release paper used, for example,
Paper, film, or the like coated on one side with a silicone resin can be used.

FIG. 1A is a schematic sectional view of one embodiment of the cushioning label of the present invention. In the cushioning label of this embodiment, a print receiving layer 1, a bonding layer 2 for laminating the print receiving layer and the cushion sheet, a cushion sheet 3, an adhesive layer 4, and a release paper 5 are formed in this order. There is no particular limitation on the method for producing the cushioning label of the present embodiment. For example, a release paper in which a print receiving layer and a cushion sheet are bonded to each other by extrusion lamination of polyethylene to form a cushioning material, and an adhesive layer is provided on the cushion sheet side of the cushioning material. Can be laminated and manufactured. Alternatively, it is also possible to apply a pressure-sensitive adhesive to the cushion sheet side of the cushioning material to form a pressure-sensitive adhesive layer, and then laminate a release paper to manufacture. FIG. 1B is a schematic sectional view of another embodiment of the cushioning label of the present invention. In the cushioning label of this embodiment, a pigment coating layer as the print receiving layer 1 is provided directly on the cushion sheet 3. The shock-absorbing label of the present invention has a large shock-absorbing effect, and can be transported by sticking it to a medicine bottle or the like without causing breakage of the bottle using a medicine bottle storage box without a partition plate. Further, the cushioning label of the present invention can print fine characters clearly.

[0012]

EXAMPLES The present invention will be described in more detail with reference to the following Examples, which should not be construed as limiting the present invention. Example 1 Softwood bleached chemical pulp (NBKP) 78 parts by weight and crimped polyester resin fiber [Kuraray Co., Ltd., trade name "EPTC"
203 ”5mm cut product, 11 crimps / 25mm] 22
A part by weight of water was stirred to prepare a slurry having a solid content of 0.3% by weight. While stirring, a polyvinyl alcohol resin binder [trade name “VPB105-” manufactured by Kuraray Co., Ltd.] was added to 100 parts by weight of the solid content of the slurry.
1 "] 5 parts by weight, a styrene / acrylic copolymer resin sizing agent [trade name" Pearl Gum C "manufactured by Seiko Chemical Co., Ltd.
S "] 0.5 parts by weight and a polyamide-epichlorohydrin resin wet paper strength agent [trade name" WS- "manufactured by Nippon PMC Co., Ltd.
570 "] 1.0 part by weight. This slurry is used as paper stock to make paper, and a rotary dryer [manufactured by Kumagaya Riki Kogyo Co., Ltd.]
To obtain a cushion sheet having a rice basis weight of 65 g / m ² . The density of this cushion sheet is
0.35 g / cm ³ . A polyethylene resin [trade name “LS23” manufactured by Asahi Kasei Kogyo Co., Ltd.]
40S "], while melt-extruding 15 g / m ² , an art paper [manufactured by Nippon Kaishi Co., Ltd., trade name“ NK Art ”, basis weight 84.9 g / m ² ] was laminated as a print receiving layer, and a cushioning material was formed. Produced. The obtained cushioning material and an acrylic pressure-sensitive adhesive [trade name “PA-T1” manufactured by Lintec Co., Ltd.] are applied and dried to form a release paper [Lintech] on which a pressure-sensitive adhesive layer (25 μm thick) is formed.
Co., Ltd., trade name "SP-8K blue", thickness 72 μm] was laminated so that the cushion sheet layer and the pressure-sensitive adhesive layer were in contact with each other to obtain a buffer label having a width of 25 cm and a length of 25 cm. This buffer label was printed using 6-point type using a label printing machine [manufactured by Lintec Co., Ltd., trade name "LPM-300"]. All types could be read clearly. Then, after forming a label shape of 25 mm × 90 mm, a buffer label was stuck to 100 vials bins having a height of 60 mm and a diameter of 30 mm, and 10 × 10 bottles were arranged and filled in a paper box. Shaking was performed for 24 hours at a shaking width of 25 mm and a shaking frequency of 200 times / min using "CMS-10" manufactured by Shibata Scientific Instruments Co., Ltd. No vial bin breakage occurred.

Example 2 22 parts by weight of softwood bleached chemical pulp (NBKP) and crimped polyester resin fiber [trade name "EPTC" manufactured by Kuraray Co., Ltd.]
203 ”5mm cut product, 11 crimps / 25mm] 78
A part by weight of water was stirred to prepare a slurry having a solid content of 0.3% by weight. While stirring, a polyvinyl alcohol resin binder [trade name “VPB105-” manufactured by Kuraray Co., Ltd.] was added to 100 parts by weight of the solid content of the slurry.
1 "] 5 parts by weight, a styrene / acrylic copolymer resin sizing agent [trade name" Pearl Gum C "manufactured by Seiko Chemical Co., Ltd.
S "] 0.5 parts by weight and a polyamide-epichlorohydrin resin wet paper strength agent [trade name" WS- "manufactured by Nippon PMC Co., Ltd.
570 "] 1.0 part by weight. This slurry is used as paper stock to make paper, and a rotary dryer [manufactured by Kumagaya Riki Kogyo Co., Ltd.]
To obtain a cushion sheet having a rice basis weight of 65 g / m ² . The density of this cushion sheet is
It was 0.18 g / cm ³ . A polyethylene resin [trade name “LS23” manufactured by Asahi Kasei Kogyo Co., Ltd.]
40S "], while melt-extruding 15 g / m ² , an art paper [manufactured by Nippon Kaishi Co., Ltd., trade name“ NK Art ”, basis weight 84.9 g / m ² ] was laminated as a print receiving layer, and a cushioning material was formed. Produced. The obtained cushioning material and an acrylic pressure-sensitive adhesive [trade name “PA-T1” manufactured by Lintec Co., Ltd.] are applied and dried to form a release paper [Lintech] on which a pressure-sensitive adhesive layer (25 μm thick) is formed.
Co., Ltd., trade name "SP-8K blue", thickness 72 μm] was laminated so that the cushion sheet layer and the pressure-sensitive adhesive layer were in contact with each other to obtain a buffer label having a width of 25 cm and a length of 25 cm. This buffer label was evaluated in the same manner as in Example 1. In printing using 6-point type, all types could be read clearly. In a shaking test using 100 vials to which the buffer label was attached, no vial was damaged.

Example 3 33 parts by weight of softwood bleached chemical pulp (NBKP) and 67 parts by weight of phenolic resin fiber (a product of Gunei Chemical Industry Co., Ltd., trade name "Kynol 0206", 6 mm cut product) are stirred into water. A slurry having a solid content of 0.3% by weight was prepared. While stirring, a polyvinyl alcohol resin binder [K.K.
Kuraray, product name "VPB105-1"] 10 parts by weight,
Styrene / acrylic copolymer resin sizing agent [trade name "Pearl Gum CS" manufactured by Seiko Chemical Co., Ltd.] 0.5% by weight and polyamide / epichlorohydrin resin wet paper strength agent [Nippon PMC Co., Ltd., trade name " WS-570 "] 1.0% by weight
Was added. This slurry was used as paper stock, and heated and dried using a rotary dryer [manufactured by Kumagai Riki Kogyo Co., Ltd.] to obtain a cushion sheet having a rice basis weight of 65 g / m ² . The density of this cushion sheet was 0.15 g / cm ³ . A polyethylene resin [trade name “LS2340S” manufactured by Asahi Kasei Kogyo Co., Ltd.] 15 g / m
^2. While melt-extruding ² , an art paper [manufactured by Nippon Kaishi Co., Ltd., trade name “NK Art”, basis weight 84.9,
g / m ² ] to form a cushioning material. The obtained buffer material and an acrylic pressure-sensitive adhesive [manufactured by Lintec Co., Ltd., trade name “PA-T1”] were applied and dried, and the pressure-sensitive adhesive layer (25 μm
Release paper [Rintech Co., Ltd., trade name "S
P-8K blue ”, thickness 72 μm], so that the cushion sheet layer and the pressure-sensitive adhesive layer are in contact with each other, and have a width of 25 cm and a length of 2
A 5 cm buffer label was obtained. This buffer label was evaluated in the same manner as in Example 1. In printing using 6-point type, all types could be read clearly.
In a shaking test using 100 vials to which the buffer label was attached, no vial was damaged.

Example 4 65 g / m 2 obtained in Example 2^TwoCushion seat
In addition, clay [Engelhard Co., Ltd. product name "UW-9"
0 "] 65 parts by weight, calcium carbonate [Okutama Industry Co., Ltd.
Made, trade name "Tamapearl 222H"] 18 parts by weight, oxidation
Starch [Oji Cornstarch Co., Ltd., trade name "Ace"
A "] 5 parts by weight and styrene-butadiene latex
[Trade name "0669" manufactured by JSR Co., Ltd.] 12
Parts by weight in water and a solid concentration of 50% by weight.
-Coating solution is 25 g / m2 as a dry solid content. ^TwoWill be
Coating with sea urchin Meyer bar, circulating hot air oven
Product name "Perfect Oven P" manufactured by Yesbeck Co., Ltd.
H-200 ”] at 120 ° C. for 1 minute, and
A buffer material having a physical layer was obtained. This cushioning material and acrylic adhesive [manufactured by Lintec Co., Ltd.
The product name “PA-T1”] is applied and dried, and the pressure-sensitive adhesive layer (2
Release paper having a thickness of 5 μm) [manufactured by Lintec Co., Ltd.
Name “SP-8K blue”, thickness 72 μm]
Laminated so that the sheet layer and the pressure-sensitive adhesive layer are in contact, 25 cm in width,
A 25 cm long buffer label was obtained. In the same manner as in Example 1,
This buffer label was evaluated. 6 point type
When printing with, all types can be read clearly.
did it. 100 vials with buffer label attached
In the shaking test used, one vial bottle was damaged.
Did not occur. Example 5 Polyester resin fiber [Kuraray Co., Ltd., trade name "EP1"
33 "10mm cut product] from 3.3g and 1,100g of water
And prepare a slurry having a solid content of 0.3% by weight.
Then, 100 parts by weight of the solid content of this slurry
Rivinyl alcohol resin binder [Kuraray Co., Ltd.
Product name "VPB105-1"] 5 parts by weight, styrene
Ril copolymer resin sizing agent [Seiko Chemical Co., Ltd. product
Name "Pearl Gum CS"] 0.5 parts by weight and polyamide
Epichlorohydrin resin wet paper strength agent [Nippon PMC Co., Ltd.]
, Trade name "WS-570"] 1.0 parts by weight
Was. This slurry is used as paper stock to make paper.
Heat and dry using [Kumagaya Riki Kogyo Co., Ltd.]
65g / m^TwoWas obtained. This kush
The density of the replacement sheet is 0.12 g / cm^ThreeMet. This
Polyethylene sheet [Asahi Kasei Kogyo Co., Ltd.
Product name “LS2340S”] 15 g / m^TwoMelt extrusion
Meanwhile, art paper [Nippon Kagami Co., Ltd.]
Made, product name "NK Art", basis weight 84.9g / m^Two]
Layers to form a cushioning material. The obtained cushioning material and acrylic
Adhesive [Product name “PA-T1” manufactured by Lintec Co., Ltd.]
Is coated and dried to form an adhesive layer (25 μm thick).
Release paper [manufactured by Lintec Corporation, trade name "SP-8K blue", thickness
72 μm] between the cushion sheet layer and the pressure-sensitive adhesive layer.
Laminated so that the buffer label is 25cm wide and 25cm long
I got Evaluation of this buffer label in the same manner as in Example 1.
Was done. In printing using 6-point type, the type is
Everything could be read clearly. Attach buffer label
In a shaking test using 100 vials
No vial breakage occurred.

Comparative Example 1 4.1 g of softwood bleached chemical pulp (NBKP) and 820 g of water
A slurry having a solid content of 0.5% by weight was prepared, and with stirring, with respect to 100 parts by weight of the solid content of the slurry,
Styrene / acrylic copolymer resin sizing agent [trade name "Pearl Gum CS" manufactured by Seiko Chemical Co., Ltd.] 0.5 parts by weight and polyamide / epichlorohydrin resin wet paper strength agent [Nippon PMC Co., Ltd. product name " WS-570 "] 1.0 part by weight. This slurry was used as a stock to make paper, and heated and dried using a rotary dryer [manufactured by Kumagaya Riki Kogyo Co., Ltd.] to obtain a sheet having a rice basis weight of 65 g / m ² . The density of this sheet was 0.7 g / cm ³ . A polyethylene resin [trade name “LS2340” manufactured by Asahi Kasei Kogyo Co., Ltd.]
While melt-extruded S "] 15g / m ^2, art paper [Japan processed paper (Co., Ltd.) as the print-receiving layer, trade name" NK Art ", a basis weight of 84.9g / m ^2] was laminated. The obtained laminate and an acrylic pressure-sensitive adhesive [manufactured by Lintec Co., Ltd., trade name “PA-T1”] are applied and dried, and a pressure-sensitive adhesive layer (25 μm
Release paper [Rintech Co., Ltd., trade name "S
P-8K blue ”and a thickness of 72 μm] were laminated so that the sheet layer and the pressure-sensitive adhesive layer were in contact with each other to obtain a label having a width of 25 cm and a length of 25 cm. This label was evaluated in the same manner as in Example 1. In printing using 6-point type, all types could be read clearly. In a shaking test using 100 vials to which this label was attached, seven out of 100 vials were damaged, and it was confirmed that this label had a poor buffering effect.

[0017]

The buffer label of the present invention can clearly print even fine characters, has a large buffer effect, and can be attached to a medicine bottle or the like to break the bottle using a box without a partition plate. Can be transported without producing any.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a cushioning label according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Print receiving layer 2 Binding layer 3 Cushion sheet 4 Adhesive layer 5 Release paper

Claims (10)

[Claims] (1) 10 to 100% by weight of synthetic fiber and 0 to pulp.
A cushioning material comprising a 90% by weight cushion sheet having a print receiving layer on at least one surface. 2. The cushion sheet has a density of 0.05 to 0.5.
Cushioning material according to claim 1, which is a 5 g / cm ^3. 3. The cushion sheet according to claim 2, wherein the synthetic fibers are 20 to 85.
The cushioning material according to claim 1 or 2, which is a mixed paper made from 15% to 80% by weight of pulp. 4. The cushioning material according to claim 1, wherein the synthetic fiber is a bulked yarn. 5. The cushioning material according to claim 4, wherein the bulky yarn is a polyester resin. 6. A printing receiving layer, 10 to 100% by weight of synthetic fibers
And a cushion sheet comprising 0 to 90% by weight of pulp and an adhesive layer are formed in this order. 7. The cushion sheet has a density of 0.05 to 0.5.
7. The buffer label according to claim 6, wherein the weight is 5 g / cm ³ . 8. The cushion sheet according to claim 1, wherein the synthetic fibers are 20 to 85.
The buffer label according to claim 6 or 7, which is a mixed paper made from 15% to 80% by weight of pulp. 9. The cushioning label according to claim 6, wherein the synthetic fiber is a bulked yarn. 10. The cushioning label according to claim 9, wherein the bulky yarn is a polyester resin.