KR20110035871A - Kitchen paper - Google Patents

Abstract

PURPOSE: A kitchen paper is provided to absorb excessive oil and to ensure the function of a conventional kitchen. CONSTITUTION: A kitchen paper has two pieces crepe papers(1,2) with emboss at one side and both sides. The crepes are laminated by insertion of an adhesive(3) having an emboss convex part(Et). The foamable curing material is foamed at 90-200 °C.

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>

At least one of the two crepe papers has emboss, and these crepe papers are laminated integrally via an adhesive provided on the embossed convex portion, and furthermore, in the adhesive, foamed cured material which is expanded by foaming by heat and cured after expansion is not shown. Kitchen paper characterized by containing in a foamed state.

(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 foaming ink is foamed by the heat of the splash. 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 maintained.

In particular, in the present invention, since the foamable cured material is contained in the adhesive applied to the convex portion of the embossing, the adhesive portion functions as a plurality of pillars and wall walls 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 portion formed only of paper, and the voids are maintained without being crushed even under load due to frying or the like.

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, since foaming ink is contained in an unfoamed state in the adhesive agent arrange | positioned at the embossed convex part, in the other use of kitchen papers, such as the use which wipes off water, dirt, dust, etc., it is conventional It is not different from kitchen paper which gave emboss, and is inferior to the function.

In addition, in this invention, crepe paper which has a crepe is used, and the adhesive agent is arrange | positioned at the embossed convex part. As a result, even if the foamable cured material that is in contact with a heat source such as frying is foamed, the crepe and embossing of the part that is not provided with the adhesive are elongated, so that the kitchen paper does not tear even if the foamed cured material is foamed from the part of the ground. .

<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 higher except for absorbing excess oil in frying, and if it is in this range, foaming ink does not unintentionally foam when used for other applications, and can be wiped off. In the case of time, etc., it can handle with the kitchen paper at all without change.

<Invention of Claim 3>

The kitchen paper of Claim 1 or 2 whose paper thickness as the whole kitchen paper is 700 micrometers or more, 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>.

(Action effect)

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

<Invention of Claim 4>

The kitchen paper as described in any one of Claims 1-3 whose area of one adhesive provision part is 1.0-4.0 mm <2>, and the distance between these 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. Moreover, when the frying is placed, the foamed adhesive portion formed by the foaming ink 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 4 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 kitchen paper of the present invention contains a foamable cured material in a non-foamed state, and thus can be made to have a winding length equivalent to that of a conventional embossed kitchen paper, while absorbing excess oil such as fried foods. There is an advantage in that a wide range of voids can be formed between large crepe paper. That is, while transportability is equivalent to conventional kitchen paper, when used for absorption of excess oil etc., there exists an advantage that it is superior to conventional kitchen paper.

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 the adhesive agent (2) which crepe paper (1, 2) which has emboss (E, E) was provided to the emboss convex part (Et, Et) ( The laminate is integrated through 3 and 3). In the adhesive, a foamable cured material which expands by expanding with heat and is cured after expansion is contained in an unfoamed state. In addition, although the embossing is provided to each crepe paper 1 and 2 in the form of illustration, in this invention, embossing may be provided to either one. However, preferably, it is a form which has embossing in both like the example of illustration.

In the provision aspect of the adhesive agent 3, 3 in this invention, the adhesive agent 3, 3 is arrange | positioned to the embossed convex part Et, Et as mentioned above. Thereby, while allowing the formation of the space | gap between crepe paper by foaming of a foamable hardened | cured material, the formed space | gap will show sufficient liquid absorption amount. Moreover, in the kitchen paper of this invention, Preferably, although the adhesive agent 3, 3 is provided to all the embossed convex parts Et and Et, it is not limited to this. The adhesives 3 and 3 may be provided only to some embossed convex parts Et and Et.

In the provision aspect of the adhesive agents 3 and 3 in this invention, since the space | interval between crepe papers 1 and 2 becomes wider by foaming a foamable hardened | cured material, the space | gap formed by embossing becomes wide and liquid absorption amount This is improved.

Here, the shape of one adhesive provision part is not limited. Of course, if the adhesive 3 is applied to all (whole surface) of one emboss convex portion Et, it will depend on the shape of one emboss convex portion Et, but the emboss convex portion Et, The shape of Et) and the shape of an adhesive provision part do not necessarily need to correspond. The shape of the one adhesive provision part 3 is not limited to the shape of the embossed convex part Et, but is suitable shape, such as a disconnection shape, a square, a rectangle, a rectangle, a triangle, a polygon, a circle, an oval, a star shape, can do. However, it is preferable that the area of one adhesive provision part is 1.0-4.0 mm <2>. Of course, if it adhere | attaches all the whole (whole surface) of one embossed convex part Et, the said area becomes equal to the area of one embossed convex part.

Moreover, when making it the area of one adhesive provision part mentioned above, 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. If one adhesive area is less than 1.0 mm 2, the crepe paper is insufficiently bonded and insufficiently contains foaming ink, and the effect of foaming of the foamable cured material is insufficient, and if it exceeds 4.0 mm 2, the liquid absorption is inferior. Done. 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, it is preferable that the ratio of the total area of the adhesive provision part with respect to one surface of the provision aspect of an adhesive agent is 5 to 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, it is preferable that the kitchen paper X1 of this invention is 700 micrometers or more in paper thickness L2 about the same as that of the conventional kitchen paper. Thereby, the wiping function and intensity | strength of the same grade as the conventional embossing kitchen paper can be ensured.

In summary, the relationship between the foamable cured material and the paper thickness in the kitchen paper (X1) of the present invention is 700 µm or more before foaming, and the paper thickness L3 is 800 µm by foaming the foamable cured material. Excessive is a particularly preferred form.

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 is that the paper thickness is 700 µm or more, preferably 500 µm or less, and the foamable cured material is foamed at 90 to 200 ° C under a weight of 2.5 g / cm 2, The paper thickness will exceed 800 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.

The crepe paper of the present invention may be a dry crepe paper or a wet crepe paper, but is preferably a crepe paper by a 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 using.

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.

<Emboss>

On the other hand, the embossing with respect to crepe paper 1 and 2 can employ | adopt the well-known method of implementing by making each crepe base paper pass between a pair of embossing rolls. It is preferable that one pair of emboss roll is made into the elastic roll which consists of rubber | gum etc., and the other is made into the metal roll which has an embossing convex part. The combination of the elastic roll and the metal roll is preferable because problems such as adjusting the clearance of the roll and clogging of paper powder or the like on the roll do not occur.

On the other hand, in embossing, a pair of embossing rolls can be implemented in the state which heated both or one embossing roll. If the embossing roll is heated, embossing will be provided more vividly and clearly.

Although the elastic roll may be sufficient as the heated embossing roll, it is preferable that it is a metal roll. This is because the metal roll has a good thermal conductivity and exhibits an effect by heating effectively, and when the metal roll is heated, the shape is corresponding to the shape of the emboss, and heat is applied to the crepe base paper. This is because it becomes clearer and clearer.

In this case, the surface temperature of a heating roll can be made into suitable temperature. However, if the heating temperature is too high, in addition to the energy loss, since the foaming ink is inadvertently foamed when an adhesive containing the foaming ink is applied, care is taken in this regard. Moreover, when heating temperature is too high, there exists a possibility that crepe paper may stick and the crepe paper manufactured may become stiff.

Here, the embossing is performed so that the embossing pressure between the pair of embossing rolls is 5 to 30 kg / cm, preferably 10 to 25 kg / cm, more preferably 15 to 20 kg / cm. do. If the emboss pressure is too low, there is a fear that the effect of clearing the emboss is not sufficiently exhibited. On the other hand, when the embossing pressure is too high, there is a fear that the crepe paper is torn.

When using a pair of emboss rolls as a combination of an elastic roll and a metal roll, it is preferable that the elastic roll has the Shore hardness of the surface of 40-70. If the Shore hardness is too low, that is, if the surface of the elastic roll is too soft, there is a fear that the sheet or sheet paper is broken. On the other hand, if the Shore hardness is too high, in other words, if the elastic roll surface is too hard, there is a fear that the embossing will not enter.

Here, in the kitchen paper X1 of this embodiment, as shown in FIGS. 2 and 3, the positional relationship of the embossed Es and Es provided to the crepe papers 1 and 2 has one crepe paper ( The so-called nested form in which the emboss convex portion Et of the other crepe sheet 2 is in contact with each other and is in contact with one emboss bottom portion Eb of 1) is preferable.

The so-called tip-to-tip type may face the emboss convex part of one crepe paper and the emboss convex part of the other crepe paper. As it approaches, the distance from heat sources such as frying or oil flowing therefrom becomes closer, and the foamability of the foamable cured material becomes better.

In addition, with the nested type, oil and the like are effectively maintained in the voids even when wiped, and the absorbed oil and the like are quickly moved to the inter-sheet space.

In addition, the emboss convex part Et in this invention is the top surface of the convex part which protrudes so that it may approach from the crepe paper which faces, and the bottom face of the recessed part recessed so that it may be spaced apart from the crepe paper which the emboss bottom part Eb faces. Means.

Here, the specific shape of one emboss or the emboss shape drawn by those one emboss are suitable design matters. As a specific example, one emboss can be a dot, such as a rhombus, an ellipse, and a polygon, in addition to a square and a circle, and as an emboss, suitable shapes, such as a floral pattern, an ivy pattern, and a geometric pattern, You can do

Here, considering the point which gives the adhesive mentioned above, the area when it sees from the plane of one emboss convex part in crepe paper 1 and 2 is 0.1-40 mm <2>, More preferably, it is 0.25-4.0 Mm 2, particularly preferably 0.5 to 2.0 mm 2. If the area of one emboss convex portion Et is too small, sufficient adhesive strength between the crepe papers 1 and 2 cannot be obtained. On the other hand, if the area of one emboss convex portion Et is too large, the volume of the absorbing space by the emboss becomes small, and thus, sufficient absorbing ability cannot be obtained. Moreover, although the depth D of embossing is a suitable design matter, it is preferable to set it as 0.5-2.0 mm generally.

Moreover, in kitchen paper (X1) of this form, it is preferable that the sum total of the area of the unit embossed convex part with respect to one area of the kitchen paper shall be 5-30% from a relationship with an adhesive provision part. If it is less than 5%, the effect by embossing becomes small, and adhesion of the crepe papers 1 and 2 becomes inadequate, and when it exceeds 30%, the installation area of planting material becomes small and a water absorption effect becomes small.

Here, the adhesion of each crepe paper 1 and 2 adopts a known method of bonding both crepe papers 1 and 2 with an adhesive after applying embossing or embossing. can do.

<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.

More specific examples of the foamable cured material include Expancel series manufactured by Expancel, micro spares manufactured by Matsumoto Oil and Fat Pharmaceutical Co., Ltd., and the like.

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 (Moreover, the adhesive provision part and embossing are 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 made by adjusting the tie length which is the connection part in the cutout line 6 and the cut length which is the same division 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, Table 1 and Table 2 show the test results regarding the paper thickness, the foamability and the oil absorption amount in the rolled kitchen paper in Table 1 below. In addition, Table 1 is the sample which gave the embossed nested form, Table 2 is the example which gave the embossed tip-to-tip form. In addition, the paper thickness of the kitchen paper (bonding two pieces of crepe paper) to which the embossed commercially available is generally is about 700 micrometers. Here, adjustment of the paper thickness increase after foaming (50 micrometers, 100 micrometers, 300 micrometers, 500 micrometers) was performed by adjusting the density | concentration of the foamable hardened | cured material in an adhesive agent, and the provision amount with respect to the embossed convex part.

The basis weights of the samples used in this test were 21 g / m 2 and 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.

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

In Table 1 and Table 2, although 50 micrometers of foaming has little improvement in a liquid absorption amount, when it is made to foam 100 micrometers or more, a liquid absorption amount will improve significantly. In addition, the oil absorption amount in a commercial item (a conventional product) whose paper thickness of kitchen paper (bonding two crepe papers) is 720 micrometers is 680 g / m <2>. From this, it can be said that it is preferable to make the paper thickness before foaming into 700 micrometers or more of the grade similar to a commercial item, and to foam 100 micrometers or more, carrying out similarly to a conventional product about transportability and handleability.

Next, the relationship of the adhesive area ratio and liquid absorption in the kitchen paper of this invention is shown in following Table 3. In addition, the sample used in this test was 720 micrometers of paper thickness before foaming, and it is supposed that 100 micrometer paper thickness increases with a foamable hardening material. In addition, crepe paper used the thing of 21 g / m <2> and 28 g / m <2> as shown also in Table 3. The test of oil absorption amount is the same as the test regarding paper thickness and foamability mentioned above. In addition, embossing was made into the nested form.

From Table 3, in the kitchen paper of the present invention, the difference in oil absorption amount according to the difference in the adhesion area ratio before foaming is small, but after foaming, the oil absorption amount is remarkably at 3 to 35%, especially 5 to 15% after foaming. It tends to be good for. Therefore, the preferable adhesive area rate in this invention can be 3 to 35%, and especially preferable adhesive area rate can be 5 to 15%.

Next, the test result about the relationship with the metric basis weight, density, and paper thickness of crepe paper in the kitchen paper of this invention is shown in following Table 4. 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 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. Therefore, 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 4, 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
E: Emboss
Et: emboss convex
Eb: emboss bottom
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)

At least one of the two crepe papers has emboss, and these crepe papers are laminated integrally via an adhesive provided on the embossed convex portion, and furthermore, in the adhesive, foamed cured material which is expanded by foaming by heat and cured after expansion is not shown. Kitchen paper characterized by containing in a foamed state. 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 more, 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>. The method according to any one of claims 1 to 3,
The area | region of one adhesive provision part is 1.0-4.0 mm <2>, and the kitchen paper whose distance between these 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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