JPH03168118A - Medicine saturating method for wet wiper - Google Patents

Abstract

PURPOSE:To make it possible to saturate a wet wiper with a medicine evenly without decreasing the production efficiency by a method wherein for an article which is formed by stacking a plurality of folded papers, at the end edge part which formed the side surface, a medicinal liquid is applied and is made to penetrate into the flat surface of the paper. CONSTITUTION:In an immersion vat A in which one half of a quantity to be saturated of a liquid substance (c) is placed, a part of end edges which forms a side surface (a) of a stacked article S is immersed, and the liquid substance (c) penetrates and diffuses to respective flat surface of papers. After an appropriately determined period of time (normally, about 2 to 20sec are enough.), by inverting a grip handle D, an end edge part which forms a side surface (b) is immersed in an immersion vat B in which one half of the quantity to be saturated of the liquid substance (c) is placed in the same manner, to complete saturation. Depending on the length (l), it is not necessary to saturate the opposite side surface with the liquid substance (c) by inverting the grip handle D, and saturation can be completed by immersion from one direction only.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of impregnating wipers with chemicals, which are used for cleaning and sterilizing homes, cars, etc., and cleaning objects.

[Prior art and its problems] Traditionally, towels and wipers (clothes 1, napkins, towels 1, etc.), which are paper impregnated with chemicals such as cleaning agents and sterilizers, have been used to clean around the house and wipe the body clean.・Tinoche) is used.

There is a type of wet wiper in which a sheet of paper is folded in advance, and then about 10 sheets are stacked and packaged in a plastic container, bag, or the like.

To make such a Quib Ueno 1 Wa f Par, the method of impregnating the stacked paper with the drug is to put the stacked paper into a packaging container, then add the required amount of the drug (
In general, a method of spraying or injecting lOO~250% of the weight of paper from the top, or a method of injecting the required amount of lubricant into the packaging container 2', then inserting a stack of paper and soaking it. is taken.

However, with this method, it is difficult to uniformly impregnate each sheet of folded and stacked paper with a drug.

Particularly when there are many sheets of paper to be stacked (5 or more), or when using an article made by folding and stacking thick papers with a weight of 40 g/rff or more, it becomes very difficult to uniformly impregnate the drug.

Methods for uniformly impregnating the drug include impregnating each folded paper with the drug and then piling it up, or completely immersing the stacked items in a large amount of the drug, and then centrifuging. There are methods such as shaking off unnecessary chemicals using vibration methods, etc., but these methods are not useful in terms of production efficiency.

It is especially important to impregnate each sheet of paper with the drug evenly when using the following types of paper:

In other words, paper using an anionic binder such as carboxymethyl cellulose or polyacrylic acid is impregnated with a chemical containing dissolved metal ions such as alkaline earth metals or zinc, and the wet strength of the paper is developed by the metal ions. In such paper, if the metal ions are not evenly impregnated, the wet strength will vary.

[Means for solving the problem] The present inventors have solved the above problem by solving the problem 1. [As a result of intensive research,
It has been discovered that a method of impregnating the edges forming the sides of folded paper stacks with a cross-reagent solution by rolling the cross-agent solution allows the chemical to be uniformly impregnated without reducing production efficiency, The invention has been completed.

That is, the present invention is characterized in that a chemical solution is applied to the edges of an article made by stacking a plurality of folded papers, and permeates the plane of the paper once to impregnate it. The present invention provides a method for impregnating a wet wiper with a chemical.

Regarding the structure of the paper used in this publication 191, it is sufficient that it is impregnated with a drug and has the strength to enable sterilization and body cleansing. , is not particularly limited. Examples of paper structures or materials include:
Wood pulp fiber, non-wood pulp fiber, rayon fiber
9 degrees can be mentioned.

Such paper is manufactured by conventional methods such as wet method and dry method,
Further, a binder or the like is added as necessary, and post-processing such as plating or embossing is performed. The paper is cut to a size suitable for wiping the target surface and folded to fit into a packaging container.

The folded papers are stacked to form a stacked article, and the edge of the stacked article, which forms a side surface relative to the plane, is immersed in the drug solution by a suitable width. The drug solution is applied to each plane of the paper by capillary action, thereby uniformly impregnating the entire surface with the drug.

In the present invention, the agent to be impregnated into the stacked articles is not particularly limited as long as it is a liquid that can be impregnated into paper. Almost all low-viscosity solutions such as water, oil, solvents, and emulsions can be used as chemicals, and optional agents such as surfactants, disinfectants, deodorants, fragrances, and metal salts can be used as needed. can include.

The amount of liquid impregnated into the paper should be as long as it can be absorbed by the paper.
0.5 to 5 times the weight, preferably 1 to 2.5 times the weight
It's double the amount.

Next, the kti force method for drugs will be explained with reference to the drawings, but the present invention is not limited thereto.

Figure 1 shows a typical method of impregnating stacked articles.

The stacked articles S are impregnated with half the amount of liquid C to be impregnated.
The side surface a is formed in the immersion hand A containing the paper, and the part II1 with the edge is immersed (FIG. 1A), and the liquid C permeates and diffuses into each plane of the paper. An appropriately determined period of time (
(Normally 2 to 20 seconds is sufficient) Later handle D
By reversing the process, the edges forming side b are immersed for a certain period of time in the immersed tubes 1 to B containing half the amount of liquid C to be impregnated, thereby completing the impregnation (Fig. 1). . Depending on the length of i in Figure 1, it is not necessary to invert the gripping handle D and impregnate the liquid C from the opposite side, and it is possible to complete the impregnation by dipping in only one direction. can. In other words, when l is 150 + nm or more, it is desirable to impregnate the drug from the sides in two directions, a and b, as shown in Figure 1A and l:7, and if it is less than 150 mm, it is desirable to impregnate the drug from one direction. Impregnation from the side is sufficient. At this time, the width of the edge to be dipped is not particularly limited as long as it is long enough to allow the drug solution to permeate and diffuse into the plane of the paper due to capillary action, but it is usually 5.
~50 mm is sufficient. In addition, impregnation can be performed not only from the two sides a and b in FIG. 1, but also from the four sides.

When performing dipping and impregnation using two or more buns 1-, the amount of liquid injected into the hat does not need to be equal, and can be changed at any time depending on the impregnating properties of the paper.

Also, when pouring liquid into the vat, stack the articles S in advance.
If you put the liquid in the hat and pour the liquid into the hat 1 by applying the liquid to the side surface of the stacked crystal S, the scattering of the liquid can be suppressed.

FIG. 2 is a diagram of a spray dipping system for spraying and impregnating stacked articles with a liquid substance from above.

On 1.712, spray soaked Hano I-cho! ．． Number at the bottom of:
L-shaped grooves e are provided in a uniform arrangement, and these grooves e allow the liquid to be sprayed uniformly onto the side edges of the stacked articles S. It is preferable to spray the liquid in one tube, so it is preferable to open the groove and spray the liquid after pouring the liquid into the tube.The opening area and aperture of the groove e are determined by It changes depending on the time, the size and number of stacked items, etc.

Figure 3 is an example of a process in which liquid materials are dipped into stacked articles using jets 1 and ζ dipping handles 1 and 1.

That is, the stacked articles S are impregnated by dipping from the lower side in the same manner as shown in FIG.

The stacked articles impregnated with the drug in this way are packaged as they are, or the required number of articles are packaged in a packaging container such as a 1,000-ink container or a bag to form a wet wiper product.

〔Effect of the invention〕

According to the present invention, in a wet wiper, each sheet of folded paper can be impregnated with a drug almost uniformly while the sheets are stacked.

The present invention is particularly useful when impregnating stacked articles made of thick paper with a basis weight of 40 g/nf or more with a drug, or when impregnating paper with an anionic binder with a drug containing metal ions. .

〔Example〕

EXAMPLES Hereinafter, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited to these Examples.

Example I Kaimen 55711 (wet paper strength agent) was added to the raw material of softwood kraft pulp beaten to CSF 680 mR.
(manufactured by Dick Hercules Co.) was added to the pulp at a concentration of 0.6%, and then using a cylinder Yankee machine,
Paper with a basis weight of 25 g/rrf and paper with a basis weight of 40 g/po were prepared.

After this, 25 g/n of basis weight is used as the outer layer, and 40 g/n of basis weight is added to the outer layer.
nT paper is placed on the inner layer and embossed, and the basis weight is 9.
A laminated paper F having a three-layer structure of 0 g/rf (25/40/25) and measuring 310 mm in length and 270 mm in width was prepared.

The prepared laminated paper F was folded into 8 pieces and stacked 10 pieces by 2 as shown in Figures 41-2 to produce a stacked article S.

The stacked articles S were impregnated with a liquid by dipping from the long force-facing side of the stacked articles S by the method shown in Figure 1.

Immersion bats A and B (both of the same size: length x width x height - 150 mm x 83 mm x 50
n+m ), half (58.
1 g) of liquid material C is injected, first, the side a of the stacked object crystal S is dipped in the liquid material C, and then the stacked object S is turned over and the side surface b is immersed in the liquid material C to be impregnated.

The Mi of liquid material C is as follows, and this set of liquid material C was also used in Examples 2 and 3 and Comparative Examples 1 to 3 below.

Henzalkonium chloride 0.01 ・Ethanol 10 ・Propylene glycol 7 ・Ion-exchanged water After impregnating the Haffns liquid material C, the stacked articles S are stored in the form shown in Figure 5 with dimensions ( It was placed in a sealed container G (length x width x height - 170 mm x 125 mm x 70 mtn) and stored for 8 hours.

The product of Sien 11 Neuber thus obtained. /).
For the articles No. 31i, the liquid substance impregnation rate (weight ratio to paper) from the 1st sheet (upper side) to the 10th sheet (lower side) was calculated by balance measurement.

The results are shown in Table 1.

Example 2 Regarding the stacked article S obtained in Example 1, 1 l Impregnation was performed only on side a in Figure 1A.

In the dipping step No. 1 A, the amount of liquid C to be impregnated into the stacked articles S (the impregnation rate is 1.7 times the amount as in Example 1).
After the impregnation, the samples were stored in a closed container G for 8 hours in the same manner as in Example 1, and the liquid material impregnation rate was measured from the 1st sheet (upper side) to the 10th sheet 1-1 (lower force).

The viscous is shown in Table 1.

Example 3 Regarding the stacked article S obtained in Example 1, Figure-2l
Impregnation was carried out from both sides a and b of the stacked articles S by the method shown in FIG. 3 using a spray dipping handle E as shown.

As in Example 1, the impregnation ratio is I. Half of the amount of liquid C to be impregnated was injected into the bottom and bottom sides A and the upper spray immersion hole E at an amount of 7 inches.

After impregnation, the samples were stored in a sealed container G for 8 hours in the same manner as in Example 1, and the impregnation rates of the liquid material from the first to the tenth sheets were measured.

Furthermore, the size of the slit hole e in the spray hole is 4.
mm x 2 mm, and each hole e was arranged so that the liquid substance C was evenly dropped onto the side surface of the stacked articles S as shown in FIG.

The results are shown in Table 1.

Comparative Example 1 The stacked 1i'1 crystals S obtained in Example 1 were placed in a closed container G in the form shown in Figure 5, and the amount to be impregnated from above the stacked articles S (Example) Similarly, the liquid C obtained in Example 1 (in an amount of 1.7 mm based on the weight of the paper) was uniformly injected onto the uppermost surface of the paper using a dropper.

After that, close the lid of the airtight container G in the same way as in Example 1.
Liquid C from 1st sheet to 10th sheet L1 after time storage
The impregnation rate was measured.

The results are shown in Table 1.

Comparative Example 2 For the stacked article S obtained in Example 1, half of the amount of liquid C to be impregnated into it (1.7 times the amount of paper weight as in Example 1) was used in Example 119 for sealing. After pre-filling the container G, the stacked articles S
into container G. Thereafter, the remaining half of the liquid substance C was uniformly injected onto the uppermost plane of the paper using a dropper, as in Comparative Example 1.

After that, close the lid of container G and store it for 8 hours. The liquid material impregnation rate was measured from the 1st sheet to the 10th sheet.

The results are shown in Table 1.

Comparative Example 3 Of the stacked articles S obtained in Example 1, first half of the five stacked articles were placed in an airtight container G, and the amount to be impregnated into the five sheets (as in Example 1, the amount of , 1.7
(double volume) of Liquid C was uniformly injected onto the uppermost plane of the paper using a dropper.

Thereafter, the remaining five stacked articles S are placed on top of the first five stacked articles S that have been impregnated, and in the same manner, the amount of liquid C to be impregnated into five sheets is placed on the topmost paper. The impregnation was completed by injecting it evenly onto the flat surface with a dropper.

14 After that, the lid of container G was closed and stored for 8 hours, and the impregnation rate of the liquid material from the 1st sheet to the 10th sheet was measured.

The results are shown in Table-1.

l5 Example 4 CSF Gnome. Evening 1 Leaf Tree Craft 1.
Toilet paper-like paper with a basis weight of 25 g/rrY and paper with a basis weight of 4h/rrr were prepared from pulp raw materials using a cylinder Yankee machine.

Prepared basis weight 25g/n? paper, an aqueous solution of sodium salt of carboxymethylcellulose (CMC1330, manufactured by Daicel Chemical) dissolved in water to a concentration of 2% was added so that the CMC content was 3% (0.75 g) based on the weight of the paper.
/ r+{ ) Spray coating and drying for commercial
A C-containing paper was obtained.

After this, CMC-containing paper was applied as the outer layer, and the basis weight was 40g/rrT.
Paper is placed on the inner layer and embossed, and the basis weight is 90g.
Vertical 31 with a three-layer structure of /Po (25/40/25)
A laminated paper F' of 0 mm x 27 On+m in width was prepared.

As in Example 1, the prepared laminated paper F' was folded into eight pieces and stacked 10 sheets as shown in FIGS.

The stacked articles S' were impregnated by dipping from the side surface in the long side direction of the stacked articles by the method shown in Figure 1. Immersed Hano 1-A used in Example 1,
B, respectively, the amount (
The weight of one sheet of paper is 1.7 times the weight (58.1
The liquid material C' in g) was injected to perform immersion.

The composition of the liquid material C'' is as follows.

Henzalkonium chloride 0. After impregnating Haran's liquid material C', put it in a sealed container G as shown in Figure 5, and place it in a sealed container G as shown in Figure 5. Saved time.

For the thus obtained stacked wet cloth and wiper articles, the liquid material impregnation rate (weight ratio to paper) from the first sheet (top) to the tenth sheet (bottom) was determined by balance measurement.

1 8 In addition, the wet tensile strength of the first to tenth sheets of paper was measured by the following method.

<Wet tensile strength> From the liquid impregnated product, a strip of paper (1, II, ITI) with a width of 25 mm and a length of 90 mm as shown in Figure 7A is used.
was cut and sampled, and immediately subjected to a universal compression/tensile test (RTM-25 manufactured by Orientic Co., Ltd.) at a tensile speed of 300.
The strength at break was measured from the 1st to the 10th stacked article under the conditions of mm/n+in and a test piece gripping interval of 50 mm. The results are shown in Table-2.

Comparative Example 4 As in Comparative Example 1, the stacked articles S'' obtained in Example 4 were placed in a sealed container G in the form shown in FIG. It was injected evenly onto the flat surface of the paper using a dropper (impregnation rate: 1.
7 times the amount).

Thereafter, the lid of container G was closed and stored for 8 hours, and the liquid material impregnation rate and wet tensile strength of the first to tenth sheets were measured in the same manner as in Example 4. The results are shown in Table 2.

19

[Brief explanation of the drawing]

Figure 1 is a diagram showing an example of the impregnation method of the present invention, Figure 2 is a plan view of a spray dipping hat 1, Figure 3 is a diagram showing an example of an impregnation method using a spray dipping hat, and Figure 4 is a diagram showing an example of the impregnation method using a spray dipping hat. FIG. 5 is a diagram showing an example of how to fold paper, FIG. Figure 7 is a diagram showing the sampled parts of the paper used for measuring wet tensile strength. A, B...Immersion vat c, c'...Liquid material D...Gripping handle E...Spray manzuke hunt e...Groove (Sliding end F, F'...Lamination) Paper G... Sealed containers s, s'... Stacked items

Claims (1)

[Scope of Claims] 1. A wet wet product characterized by applying a chemical liquid to the edges forming the side surfaces of an article made by stacking a plurality of folded papers and impregnating the paper by penetrating the plane of the paper. How to impregnate wipers with chemicals. 2 The basis weight of the paper forming the stacked article is 40g/m^2
The method of impregnating a wet wiper with a chemical according to claim 1. 3. The method for impregnating a wet wiper with a chemical according to claim 1 or 2, wherein the paper forming the stacked articles uses an anionic binder, and the chemical impregnated into the stacked articles contains metal ions.