KR20110035869A - Kitchen paper - Google Patents

Abstract

PURPOSE: A kitchen paper is provided to keep convention performance of a conventional kitchen paper and to absorb excessive oil. CONSTITUTION: A kitchen paper comprise two pieces of crepe papers(1,2) without emboss. The crepe papers are laminated by adhesive(3). The adhesive contains a foamable curing material which is foamed and cured. The foamable curing material is foamed at 90-200 °C. The thickness of the kitchen paper is increased more than 100um.

Description

Kitchen paper {KITCHEN PAPER}

The present invention relates to kitchen paper.

Kitchen paper is widely used in food packaging, small lids of stewed foods, drip absorbers such as fresh fish, water removal, oil filtration, mopping around the kitchen, etc. There are uses for spreading paper, placing fried tempura and boiled on it, and absorbing excess oil and moisture such as frying. In absorption applications such as excess oil such as frying, the oil or water is quickly absorbed so that the frying does not stick with steam or oil from the frying, etc. The function which does not return to this tempura etc. is calculated | required.

It is well-known that conventional kitchen paper laminated | stacked suitable long-life lamination of the embossed sanitary thin paper, but this conventional kitchen paper has small contact area, such as the ground and frying, by the unevenness of embossing, and also between sheet fiber. Capillary phenomena caused by voids are the main liquid absorbing mechanism, so that water, oil, and the like are retained in the voids between the embosses of each sheet, thereby ensuring functionality in absorbing applications such as excess oil such as frying.

However, in the above-mentioned conventional embossed kitchen paper, when embossing, embossing may be crushed by loosening of the fiber due to the absorption of the load, oil, and moisture, and the liquid absorption by embossing There was a case that could not be fully exhibited.

This problem is improved to some extent by increasing the emboss pressure at the time of embossing and by applying the emboss to the paper securely, but excessive emboss pressure causes the breakage of the paper, and the embossed paper securely applied May cause stiffness, causing other problems such as deterioration of the softness and flexibility required by kitchen paper, such as manufacturing or wiping.

Then, the present inventors paid attention to the foaming ink disclosed by following patent documents 1 and 2 in order to improve the absorption performance of the excess oil of a frying, without reducing main functions, such as the wiping function of a kitchen paper. Although these foaming inks are mainly used for improving decorability and designability, the present inventors have found that the foaming mechanism can be usefully used for kitchen paper, and have completed the present invention.

Japanese Laid-Open Patent Publication 2002-254588 Japanese Patent Laid-Open No. 9-41296

The main subject of this invention is providing the kitchen paper which has a function as a normal kitchen paper, and is especially suitable for the use which absorbs the excess oil of tempura especially.

The present invention and the effects of solving the above problems are as follows.

<Invention of Claim 1>

Two pieces of crepe paper to which no embossing is applied are laminated and integrated through an interspersed adhesive, and in the adhesive, a foamed cured material that is expanded by foaming by heat and cured after expansion is contained in an unfoamed state. Kitchen paper characterized by.

(Action effect)

Since the present invention contained a foamable cured material that expands and expands and is cured after expansion by applying heat in an adhesive that bonds two crepe sheets together, they are placed on a tray, batt, plate, or the like, and fried on them. When laid, the foamable cured material is foamed by the heat of the frying. In addition, since the foamed cured material is maintained in the foamed state after foaming and is changed to a cured state having elasticity, rigidity or rigidity, the kitchen paper of the present invention is expanded between crepe papers by foaming of the foamed cured material. While the space between the two is widened, a gap is formed between the two pieces of crepe paper to absorb and hold the oil and the like from the fried food and the like, so that it is retained.

In particular, in the present invention, since the adhesive is disposed scattered, the adhesive portion disposed scattered acts as a plurality of pillars to support the fry.

Moreover, since the adhesive agent containing a foamable hardened | cured material penetrates into the crepe paper layer (inside of crepe paper rather than the space of two crepe papers) at the time of application | coating, printing, etc. to crepe paper, the said adhesive provision part Silver has very high shape retention compared with the embossed convex part formed only by paper after foaming, and the said space | gap is hold | maintained without being crushed even by the load by frying etc.

Moreover, in this invention, since adhesive agent is arrange | positioned in this way, the space | gap formed between two sheets of crepe paper ensures sufficient space | gap in the state which communicated, and oil component is easy to spread in a space | gap.

In addition, in this invention, crepe paper which has crepes is used, and an adhesive agent is arrange | positioned sporadically. As a result, even if the foamable cured material that reaches the fry or the like is foamed, the crepe of the portion that is not provided with the adhesive is stretched, so that the kitchen paper does not tear even if the foamed cured material is foamed from the portion of the ground.

On the other hand, since kitchen paper is generally sold in roll shape and bundle shape, if it is excessively bulky, there is a transportation problem. However, in the present invention, since the foamed cured material is contained in the adhesive in an unfoamed state, it is transported. It is not inferior to the conventional kitchen paper about the handling at the time of nonuse such as city.

Moreover, in this invention, embossing is not provided to crepe paper. Therefore, there is no paper thickness reduction of crepe paper by the pressurization at the time of embossing, densification of a fiber, etc. Therefore, the space | interval between fibers is fully ensured and it is excellent in a liquid absorption rate. It is also excellent in volume, flexibility and softness.

In addition, since the adhesive is disposed scattered and the foamed curable material is contained in the adhesive in an unfoamed state, the use of the kitchen paper for the purpose of wiping off water, dirt, dust, etc. Does not inhibit.

<Invention of Claim 2>

The kitchen paper according to claim 1, wherein the foamable cured material is foamed at 90 to 200 ° C, and the paper thickness increases by 100 µm or more as compared with before foaming.

(Action effect)

The temperature of the general oil at the time of frying is about 180 ° C, and the present inventors have found that the temperature of the frying falls to about 100 to 120 ° C when the frying is taken out of the oil at this temperature. Therefore, as long as a foamable hardened | cured material is foamed at 90-200 degreeC like this invention, it becomes a thing especially suitable for the absorption use of the excess oil of a frying.

On the other hand, kitchen paper has very little chance of coming into contact with oil or water of 90 ° C or more except for absorbing excess oil of frying, and if it is in this range, the foamable cured material is not inadvertently foamed when used for other applications, In the case of serving, it can be handled without change at all with conventional kitchen paper.

<Invention of Claim 3>

The kitchen paper of Claim 1 or 2 whose paper thickness is 700 micrometers or less also, and the basis weight of each crepe paper is 10-42 g / m <2>, and density is 2.5 * 10 <^4> -4.2 * 10 <^5> g / m <3> as a whole kitchen paper.

(Action effect)

In the range of the paper thickness of the kitchen paper, when the basis weight and the density of each crepe paper are in the above ranges, the absorption speed when the voids are formed by the foaming of the foamed curable material is more excellent, flexible, and soft. It can be wiped clean.

<Invention of Claim 4>

The kitchen paper of any one of Claims 1-3 whose area of one adhesive provision part is 1.0-4.0 mm <2>, and the distance between adjacent adhesive provision parts is 1.0-5.0 mm.

(Action effect)

Within the scope of the present invention, the voids are sufficiently secured between crepe papers when the foamable cured material is foamed. In addition, when the frying is placed, the foamed adhesive portion formed by the foamed curable material foamed in contact with this becomes a sufficient scattering density. This makes it possible to fully support the fry, so that the voids are not crushed reliably.

Moreover, when it is in the said range, the softness and flexibility as a whole kitchen paper can be ensured enough.

<Invention of Claim 5>

The kitchen paper of any one of Claims 1-4 whose ratio of the total area of the adhesive provision part with respect to one surface is 5-30%.

(Action effect)

The same effect as in Claim 3 is obtained.

<Invention of Claim 6>

The kitchen paper according to any one of claims 1 to 5, wherein a lipophilic base is supported on any of two pieces of crepe paper.

(Action effect)

By supporting the lipophilic base, the affinity between the oil and the crepe paper is improved, and thus the oil absorption rate is improved.

<Invention of Claim 7>

The kitchen paper according to any one of claims 1 to 6, wherein the crepe paper is band-shaped, and the band-shaped crepe paper on which a cutting line for cutting in the width direction is arranged at a predetermined interval in the longitudinal direction is wound in a roll shape.

(Action effect)

Kitchen paper in which crepe paper is wound in a roll shape is easy to manufacture. In addition, the roll-shaped kitchen paper has a shorter winding length (usable length) in proportion to the increase in the volume of the sheet in the case of the same roll diameter, but the present invention originates from embossing because embossing is not applied to the crepe paper. Since there is no bulkiness to become large and foamed hardened | cured material is contained in an unfoamed state, there exists an advantage which can lengthen a winding length, and the effect is high in kitchen paper of such a roll shape. Moreover, convenience arrange | positions by increasing a perforation line.

According to the present invention as described above, there is provided a kitchen paper which has a function as a normal kitchen paper, and is particularly suitable for the use of absorbing excess oil in tempura.

1 is a perspective view for explaining kitchen paper X1 of the present invention.
2 is a cross-sectional view of the kitchen paper X1 of the present invention.
3 is another cross-sectional view of the kitchen paper X1 of the present invention.
4 is a perspective view in roll form of kitchen paper X1 of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Next, embodiment of the kitchen paper of this invention is described. 1-4, the kitchen paper X1 of this embodiment is shown.

As shown in FIGS. 1-3, this kitchen paper X1 is laminated | stacked and integrated by the two crepe papers 1 and 2 via the adhesive agents 3 and 3 arrange | positioned in large numbers, The adhesive contains an unfoamed foamable curable material that expands by thermal expansion and is cured after expansion.

In the provision aspect of the adhesive agent 3, 3 in this invention, the adhesive agent is arrange | positioned as above-mentioned. Thereby, while forming the space | gap between the crepe papers 1 and 2 by foaming of a foamable hardened | cured material, the formed space | gap 4 and 4 are made to communicate, and liquid absorption amount can be made sufficient.

However, even when it is scattered, it does not necessarily need to be arrange | positioned with regularity like FIG. 1, and may be arrange | positioned at random. The shape of one adhesive provision part 3 is not limited. It can be made into a suitable shape such as a single line shape, square, rectangle, triangle, polygon, circle, oval, star shape. However, it is preferable that the area of one adhesive provision part 3 is 1.0-4.0 mm <2>. In this case, it is preferable that the distance L1 between adjacent adhesive provision parts is 1.0-5.0 mm. In addition, the distance L1 between these adhesive provision parts which adjoin mutually means the closest distance among the adhesive provision parts which adjoin mutually. When one adhesive provision area is less than 1.0 mm 2, the crepe paper is insufficiently bonded and insufficiently contains a foamable cured material, and the effect of foaming of the foamed cured material is insufficient. Inferior. It is technically difficult to apply the coating L1 between the adjacent adhesive applying portions to each other less than 1.0 mm. On the contrary, if the distance L1 is larger than 5.0 mm, the adhesive providing portions are excessively separated, and the retention of voids formed by the foamed curable material Worsens.

Moreover, as for the provision aspect of an adhesive agent, it is preferable that the ratio of the total area of the adhesive provision part with respect to one surface of kitchen paper (X1) is 5-30%. If it is less than 5%, the adhesion of crepe paper becomes inadequate, and if it exceeds 30%, an adhesion part will become too wide, kitchen paper will become stiff, and liquid absorption will be inadequate.

On the other hand, it is preferable that the foamable cured material contained in the adhesive is foamed at 90 to 200 ° C, and in the present invention, it is preferable that the paper thickness L2 is increased by 100 µm or more as compared with before foaming by the foaming.

Here, as for the kitchen paper (X1) of this invention, paper thickness L2 is 700 micrometers or less, Preferably it is 500 micrometers or less. When it exceeds 700 micrometers, the paper thickness becomes too thick, and it becomes difficult to obtain the effect of this invention that a paper thickness becomes thick by foaming of a foamable hardened | cured material at the time of use at the time of being compact at the time of transport.

In summary, the relationship between the foamable curable material and the paper thickness in the kitchen paper (X1) of the present invention is 700 µm or less, preferably 500 µm or less before foaming, and by foaming of the foamable cured material, It is an especially preferable form that paper thickness L3 will exceed 700 micrometers.

As a measuring method of paper thickness, it measures on the conditions of JISP 8111 using dial dial gauge (thickness gauge), for example, "PEACOCK G type" (made by Ozaki Corporation). Specifically, after confirming that there is no dust, dust, etc. between the plunger and the measuring table, the plunger is placed on the measuring table, the memory of the dial visibility gauge is moved to set the zero point, and then the plunger is raised to place the sample on the test table. Place it on the top, and slowly lower the plunger to read the gauge at that time. Here, before placing a sample on a test bench, a weight of 75 g (bottom flat and bottom area 30 cm 2) is placed and weighted for 60 seconds. At this time, the plunger is simply placed. In addition, thickness is taken as the average value obtained by measuring 10 times.

Here, about the foamable hardened | cured material foaming at 90-200 degreeC, when the external environment of the adhesive part reaches 90-200 degreeC in the state which used kitchen paper, More specifically, it is 90-200 to the adhesive part of the paper This means that the foamable cured material is foamed when an object at ° C comes in contact or when the kitchen paper itself is placed in an environment of 90 to 120 ° C. However, since this depends on the foaming temperature of the foamable cured material itself, it is sufficiently achieved if the foamable cured material is foamed at 90 to 200 ° C.

Further, the increase in the paper thickness due to the foaming of the more preferable foamable curable material of the kitchen paper (X1) of the present invention is that the paper thickness increases by 100 m under a weight of at least 2.5 g / cm 2. In summary, the most preferred example of the kitchen paper in the present invention has a paper thickness of 700 μm or less, preferably 500 μm or less, and a foamable cured material is foamed at 90 to 200 ° C. under a weight of 2.5 g / cm 2, The paper thickness will exceed 700 micrometers.

Here, the increase of the paper thickness under the weight of 2.5 g / cm <2> specifically assumes when frying is put, and puts a kitchen paper on the horizontal stand G as shown in FIG. An increase in the paper thickness when the weight 10 of 75 g (bottom flat and bottom area 30 cm 2) at 0 ° C. was removed and the weight was removed after 60 seconds, or 75 g (bottom flat and bottom area 30 cm 2) The weight can be defined as any one of the increase in paper thickness when the weight is left to stand in a thermostat in a 90-200 ° C. environment for 60 seconds, then taken out of the thermostat, and the weight is removed and measured.

<Crepe paper>

The crepe paper (1, 2) of this invention is similar to the kitchen paper which is already known to the papermaking technique of the well-known crepe paper which carries out the papermaking raw material which has a raw material pulp as a main component through a wire part, a press part, a dryer part, a crepe processing part, etc. It can manufacture. However, the crepe papers 1 and 2 of the present invention shall not be embossed. Since embossing can fully exhibit the effect of this invention even if it is not provided, embossing becomes a factor of the increase in manufacturing complexity and cost increase in this invention, and embossing is given to crepe paper (1, 2). If it is, the thickness of the paper becomes thick, so that the transportability also decreases.

The crepe papers 1 and 2 of the present invention may be dry crepe papers or wet crepe papers, and are preferably crepe papers by the dry crepe method.

The crepe paper (1, 2) is preferably a fiber raw material 100% pulp material, the pulp species used for the production of known crepe paper is used as the raw material pulp species. In addition, it does not matter whether the raw material pulp is bleached or unbleached. However, bleached pulp called bleached pulp is preferred. Among the pulp raw materials, it is preferable to blend LBKP (softwood kraft pulp) and NBKP (softwood kraft pulp) in an appropriate ratio. When using LBKP and NBKP, it is preferable that LBKP: NBKP is 0: 100-50: 50 as the compounding ratio.

Moreover, it is preferable that crepe paper 1 and 2 of this invention are 10-42 g / m <2> in basis weight, and density is 2.5 * 10 <^4> -4.2 * 10 <^5> g / m <3>. It is preferable that the thickness exists in the range of 100-350 micrometers. In addition, basis weight and weight per unit area in this invention and specification mean the value measured based on JISP8113. In addition, density is a numerical value which divided the basis weight by the thickness. The measuring method of the paper thickness of crepe paper is also the same as the measuring method of the kitchen paper mentioned above, under the conditions of JIS P 8111, a dial visibility gauge (thickness gauge), for example, "PEACOCK G type" (made by Ozaki Corporation) Measure with

If the basis weight is less than 10 g / m 2, it is difficult to maintain the minimum strength and absorption amount as the kitchen paper. If the basis weight is more than 42 g / m 2, it becomes stiff and the feeling of use decreases. If the density is less than 2.5 × 10 ⁴ g / m ³ , the absorption rate and water absorption rate of water and oil will not be sufficient, and if it exceeds 4.2 × 10 ⁵ g / m 3, it will be stiff and deteriorate in wiping function, trays, dishes, The handleability at the time of batting deteriorates also.

In the kitchen paper (X1) of the present invention, the crepe ratio of the crepe papers (1, 2) is preferably 13 to 35%. In addition, the crepe rate in this invention can be computed by (((circle speed of the dryer at the time of paper-making)-(reel perimeter speed of the paper)) / (circle speed of the dryer at the time of papermaking) x100).

In addition, in this invention, two crepe papers do not need to be the same structure. The structure which is moderately different in the scope of this invention may be sufficient.

<Adhesive>

The adhesive 3 for adhering the crepe papers 1 and 2 contains the foamable cured material in an unfoamed state. As the main agent of the adhesive other than the foamable cured material, a known adhesive base material can be used, and specific examples thereof include acrylic resin, vinyl acetate resin, vinyl acetate-ethylene copolymer resin, urethane resin, and vinyl chloride resin. have.

The provision of the adhesive agent to the crepe paper can use a known pattern printing technique and a pattern application technique, and specifically, it can be given by gravure printing, flexographic printing or the like.

<Foaming Curable Material>

As the foamable cured material, those used in known foaming inks and the like can be used. Moreover, the adhesive agent prepared previously may be mixed and contained in an adhesive base material, and the binder component in foaming ink functions as an adhesive base material without using an adhesive base material, and the foaming ink itself contains the foamable hardening | curing material It may be used as.

The foamable curable material may specifically exemplify a microcapsule in which a core material having a property of expanding by heat is contained in a film or an outer shell of a thermoplastic polymer material. The particle diameter of a microcapsule etc. can be suitably selected according to the foamability of a microcapsule, the printing press used, etc., Although it does not specifically limit, Usually, it is a particle diameter of 10-50 micrometers.

The foamed curable material of this kind is maintained in an expanded state by expanding the core material or expanding the coating or the outer skin when the appropriate temperature is reached. In the present invention, the expanded state, that is, the cured state may be maintained for at least one hour. Preferably the hardened state is maintained permanently. In addition, hardening in this invention is the meaning containing the elasticity, rigidity, and rigid elasticity state.

Here, it is preferable that the foamable hardened | cured material of this invention is foamed at 90-120 degreeC. As mentioned above, the temperature of the general oil at the time of frying fritter is about 180 degreeC, and when frying is taken out of the oil of this temperature, since frying temperature falls to about 100-120 degreeC, the excess oil of frying It is because it is especially suitable for the absorption use of this.

Specific examples of the thermoplastic polymer material for forming the microcapsule coating or the shell include acrylic resins such as methyl methacrylate and acrylonitrile, vinylidene chloride, polyamide, polybutadiene, urethane resin, styrene resin, and the like. Selected thermoplastic polymer materials, or thermoplastic polymer materials obtained by mixing them; and specific examples of the core material having the property of being expanded and cured by heat include hydrocarbon-based compounds such as butane and isobutane, and other organic solvents. And organic substances and inorganic substances that generate decomposition gases such as carbon dioxide gas such as sodium bicarbonate, sodium carbonate, ammonium carbonate, azide compound and hydrazide compound and nitrogen gas.

If a more specific foamable hardening material is illustrated, the Expancel series by Expancel company, the micro spare by Matsumoto Yuji Corporation, etc. can be illustrated.

In addition, the compounding ratio of a foamable hardened | cured material can be adjusted suitably considering the foamability of a foamable hardened | cured material, and the adhesiveness of an adhesive base material. Generally it is 3-20 weight part with respect to 20-60 weight part of adhesive base materials.

<Lipophilic mechanism>

On the other hand, for kitchen paper (X1), it is preferable that the lipophilic base is supported by crepe paper (1, 2) for the improvement of oil absorption speed | rate. It is not limited to which of each of the two crepe papers 1 and 2, and on which side the lipophilic base is supported. It may be supported by two sheets, or may be supported on only one sheet. Moreover, you may carry on only one surface of each crepe paper 1 and 2, and may carry on both surfaces. However, Preferably, it is good to carry it partially or entirely on the opposing surface of two pieces of crepe papers 1 and 2 by application | coating etc. The oil is easily transferred to the crepe paper, the oil absorbed once is easily maintained, and the oil is easily retained in the voids.

Specific examples of the lipophilic base include hydrocarbons, liquid paraffin, triglycerides, fatty acid amides, acrylic ester copolymers, sucrose esters, and isostearic acid esters. Among them, liquid paraffin and triglycerides are suitable. Liquid paraffin is excellent in terms of oxidative stability and is particularly preferably used. Moreover, what consists of C6-C12 saturated fatty acid among triglycerides, especially heavy chain fatty acid are especially preferable. By being saturated, it is excellent in oxidative stability and by making carbon number 6-12, permeability to sheet paper becomes favorable at a suitable molecular weight. In addition, the triglyceride form is superior to simple linear fatty acids in improving the diffusion and permeability of oil.

As for content of a lipophilic base, 1-20 weight% of the weight per crepe paper (1, 2) sheet is preferable. If it is less than 1% by weight, a sufficient effect may not be expressed. If it exceeds 20% by weight, the affinity becomes good, and oil remains on the front and back surfaces of the crepe papers (1, 2), resulting in voids between the two crepe papers. Movement of oil may be delayed.

The method of supporting the lipophilic base on the crepe papers 1 and 2 may be any of internal and external methods. For example, if it is internally added, the method of papermaking which added the lipophilic base to the raw material pulp or the raw material pulp slurry can be adopted, and if it is externally added, the lipophilic base is spread | dispersed and applied after formation of the crepe paper base material. The method of coating can be adopted. In the case of spreading, a known spray apparatus for dispersing a medicament with respect to the crepe paper base can be used, and if it is coated, a known coater or printing machine can be used.

<Roll form>

Next, the kitchen paper of this invention in roll form is demonstrated referring FIG. 4 (In addition, the adhesive provision part is abbreviate | omitted in FIG. 4).

The kitchen paper of this invention laminates and integrates two strip | belt-shaped crepe papers 1 and 2 with the said adhesive agent, and this is interested of the width substantially the same as the paper width of the short longitudinal direction of the crepe papers 1 and 2 (Pipe) It is preferable that it is a roll form, such as winding (5) (Hereinafter, the kitchen paper of the state which laminated | stacked and integrated two strip | belt-shaped crepe papers 1 and 2 with an adhesive agent is called the sheet 12). ).

Attention (5) can use what is already known and used for this kind of kitchen paper. In the general example, the outer diameter (winding diameter) L4 is 30 to 50 mm, and the width H is about 100 to 250 mm.

The winding length of the sheet 12 can be 8.8-30 m, and when the said interest (5) is used, the outer diameter of kitchen paper X2 will be 90-130 mm. This is longer than the kitchen paper on the market.

On the other hand, as especially shown in FIG. 4, it is preferable that the sheet | seat 12 of this form forms the cutout line 6 over the sheet width direction for every predetermined space | interval L5 of a sheet longitudinal direction. By the perforations 6 and 6, the sheet 12 is easily cut. The predetermined interval L5 is preferably about 48 to 250 mm. If it is less than 48 mm, it will become too small to actually use, and if it exceeds 250 mm, it will become large compared with tableware etc., and a feeling of use will worsen.

The cutting line 6 can be formed by a known perforation roll (cutting blade roll) facility. That is, in the front end wound up to the interest 5, many blades are arrange | positioned along the width direction on the roll which is wider than the width | variety of the sheet | seat 12, and a blade is formed, and this blade row is predetermined space | interval. While cutting the perforated rolls formed in the circumferential direction of the roll in the circumferential direction of the roll at the same pitch as L5, the cutting line 6 over the width direction of the sheet 12 is brought into contact with the sheet 12 to travel. It can form every interval L5.

In the kitchen paper (X2) of this embodiment, it is preferable that the perforation line 6 is more than a double line like the example of illustration. What is necessary is just to form by the perforation roll installation provided with the perforation roll of several layers of suitable cutting in forming a plural cut line. In addition, the perforated line 6 in this case does not need to be formed in double over the whole sheet width direction, For example, only the width direction side part of the sheet 12 may be formed in double.

In addition, in the case where the perforation line 6 is doubled, for example, Japanese Laid-Open Patent Publication No. 2003-276936 or the like refers to, for example, a cut portion in a zigzag shape or an end portion of a cut portion in one perforation line. ) And the angle formed by the perforated line with respect to the straight line connecting the end of the cut part of the other perforated line closest to the end of the cut part may be at right angles or acute angles to facilitate cutting.

Here, it is preferable that the kitchen paper (X2) of this form has a tensile strength of 100-500 cN in the sheet longitudinal direction in the cutout line 6 preferably. When the tensile strength in the sheet longitudinal direction in the cutout line 6 is 100 cN or more, undesired division in the cutout line 6 at the time of unwinding the sheet is reliably prevented. On the other hand, when the tensile strength in the sheet longitudinal direction in the cutout line 6 is 500 cN or less, the sheet 12 can be cut reliably and easily in the desired cutout line 6 to be cut.

"Tensile strength" means the dry tensile strength measured based on the tensile property test method prescribed | regulated to JIS P 8113 here. The sheet 12 itself, that is, not the tensile strength of the sheet 12 without the perforated line 6, but means the tensile strength measured over the perforated line 6 for the sheet 12 having the perforated line 6. do.

The adjustment of the tensile strength in the longitudinal direction in this cutout line 6 is by adjusting the tie length which is the connection part in the cutout line 6 and the cut length which is the same part, or the tie cut ratio which is the ratio of this tie length and cut length. This can be carried out by adjusting. More specifically, it can adjust by replacing with the perforation roll provided with the blade of desired tie cut length and tie cut ratio. In addition, adjustment of this tensile strength is adjustment of the pressure linear pressure (pressure force with respect to the sheet | seat 12 per sheet width | variety (kgf / cm)) with respect to the sheet 12 of a perforated roll, and a winder speed (sheet 12). Can also be adjusted by adjusting the winding speed.

On the other hand, in the kitchen paper X2 of this form, the ratio of the tensile strength of the sheet longitudinal direction in the cutout line 6 with respect to the tensile strength of the sheet 12 itself in the sheet longitudinal direction is 1.0-50% (preferably Is 2.0 to 10%). If the ratio of the tensile strength is 50% or less, since the tensile strength of the sheet portion without the perforated line 6 becomes relatively high, when the sheet 12 is cut, the sheet 12 is removed from the sheet portion other than the perforated line 6. Segmentation is suppressed and it can cut | disconnect reliably by the cutting line 6. On the other hand, when the ratio of the tensile strength is 1.0% or more, the tensile strength of the cutout line 6 becomes relatively high, so that even when the cutout line 6 is increased by shortening the interval of the cutout line 6, Undesired division at the cutting line 6 can be reliably prevented.

Here, the tensile strength of the longitudinal direction of the sheet 12 itself is also measured based on the tensile characteristic test method prescribed | regulated to JISP 8113 mentioned above. It is of course the tensile strength at the time of drying of the sheet | seat part without the cutout line 6.

In addition, in order to set the tensile strength of the sheet longitudinal direction in the cut line 6 to 10 to 200 cN, and to set the ratio of the tensile strength to 1.0 to 50%, the tie length of the cut line 6 is 0.9 to 2.5 mm. The cut length is 0.9 to 37.5 mm, and the tie cut ratio (tie: cut) may be set to 1:15 to 1: 1.

<Test Example>

Next, the test example regarding the especially preferable aspect which concerns on the kitchen paper of this invention is shown below.

First, the following Table 1 shows the relationship between the paper thickness, the winding diameter, and the winding length in the kitchen paper of a roll form. In addition, the paper thickness in two sheets of kitchen paper provided with the embossed commercially is about 700 micrometers. The basis weight of the sample used in this test was 28 g / m 2. In addition, when the lipophilic base is applied, the diffusion rate of the oil is increased, but since the winding length, the paper thickness, and the absolute oil absorption amount are not affected, the lipophilic base was not applied in this test example.

Next, Table 2 shows the relationship between the adhesive area ratio and the oil absorption in the kitchen paper of the present invention. In addition, the paper thickness of the sample (kitchen paper; two sheets of crepe paper adhesion | attachment) used in this test was 440 micrometers in initial stage, and the thing adjusted so that 300 micrometer paper thickness may increase by foaming of foamable hardening material was used. In addition, crepe paper used what is 21 g / m <2> and 28 g / m <2> as shown also in Table 2.

After measuring the weight of the dry sample cut | disconnected to 100 mm square, the oil absorption amount immersed the said sample in salad oil (made by Nissin Oilio Group Co., Ltd.) for 15 second, pulled up after that, and measured the weight after 25 second, and It was set as the value which deducted the weight of the said dry sample from the measured value.

In addition, the oil absorption amount in the commercial item (a conventional product) whose paper thickness which embossed each crepe paper of two sheets is 720 micrometers is about 680 g / m <2>.

From Table 2, in the kitchen paper of the present invention, the difference in oil absorption due to the difference in the adhesion area ratio is not seen before foaming, but after foaming, the adhesion area ratio is remarkable in 3 to 35%, particularly 5 to 25%. It tends to be favorable with respect to oil absorption. Therefore, it can be said that the preferable adhesive area rate in this invention is 3 to 35%, and especially preferable adhesive area rate is 5 to 25%.

Moreover, from the relationship between the result of this Table 2 and the paper thickness and winding diameter of Table 1, it can also confirm that the kitchen paper of this invention can lengthen a winding length, ensuring the absorption amount of oil equivalent to a conventional product. For example, if the paper thickness is two sheets of 440 μm, basis weight 28 g / m 2, adhesive area ratio of 7%, and paper thickness after foaming is 740 μm, the kitchen paper having the corresponding embossing has a winding length of 11 m. In the present embodiment, the same winding can be wound about 20 m, which is about twice the diameter, and is excellent in terms of transportation and storage.

Next, the test result about the relationship with the metric basis weight, the density, and the paper thickness of crepe paper in the kitchen paper of this invention is shown in following Table 3. In addition, the crepe paper used here is obtained by making it the kitchen paper, forcibly peeling each bonded crepe paper. Therefore, an adhesive agent is apply | coated to crepe paper. In addition, the paper density was computed by (the basis weight / paper thickness). In addition, the absorption rate in a table | surface is time until the gloss disappears after 1 kPa of oil is dripped on the ground. It was judged visually whether it was extinguished. In evaluation, it can be said that it is preferable if it is 60 second or less.

The degree to which tearing was easy was made to let 20 subjects use for the purpose of actually wiping off a sample, and judged whether or not it felt that it was easy to tear at that time. Evaluation made (triangle | delta) the thing which 10 or more people felt to be torn.

10 g / m 2 and 17 g / m 2 of basis weight were the most likely to be torn at the time of use, while density of 2.17 × 10 ⁵ g / m 3 and 2.67 × 10 ⁵ g / m 3 tended to slow the absorption rate have. Accordingly, in consideration of the decrease in liquid absorption due to adhesive application, at least the basis weight in the kitchen paper of the present invention is preferably 21 to 32 g / m 2, and the density is preferably 0.83 × 10 ^{5 to} 1.94 × 10 ^5. g / m 3.

From Table 3, especially preferable basis weight and density in the kitchen paper of this invention are 21-32 g / m <2>, and density is 1.22 * 10 <^5> -1.94 * 10 <^5> g / m < ³ > in the basis weight which satisfy | fills both. .

1, 2: crepe paper
3: adhesive part (adhesive)
4: void
5: attention
6: perforation
10: weight (plants, etc.)
12: sheet
L1: distance between glued parts
L2: Paper thickness without foaming cured material
L3: Paper thickness of foamed curable material foamed state
L4: Outer diameter (winding diameter)
L5: perforation line spacing
G: horizontal band
X1, X2: Kitchen Paper

Claims (7)

Two pieces of crepe paper to which no embossing is applied are laminated and integrated through an interspersed adhesive, and in the adhesive, a foamed cured material that is expanded by foaming by heat and cured after expansion is contained in an unfoamed state. Kitchen paper characterized by. The method of claim 1,
The foamable cured material is foamed at 90 to 200 ° C, and the foaming increases the paper thickness by 100 µm or more as compared to before foaming. The method according to claim 1 or 2,
The paper thickness as the whole kitchen paper is 700 micrometers or less, the basis weight of each crepe paper is 10-42 g / m <2>, and density is 2.5 * 10 <^4> -4.2 * 10 <^5> g / m <3>. The method according to any one of claims 1 to 3,
The kitchen paper whose area of one adhesive provision part is 1.0-4.0 mm <2>, and whose distance between adjacent adhesive provision parts is 1.0-5.0 mm. The method according to any one of claims 1 to 4,
Kitchen paper in which the ratio of the total area of the adhesive imparting portion to one side is 5 to 30%. 6. The method according to any one of claims 1 to 5,
Kitchen paper with lipophilic base on either side of each crepe sheet. The method according to any one of claims 1 to 6,
The kitchen paper in which the said crepe paper is strip | belt-shaped and the strip | belt-shaped crepe paper by which the perforation line | wire for cutting | disconnection in the width direction is arrange | positioned at predetermined intervals in the longitudinal direction is wound in roll shape.

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