CN107532389A - Water-disintegrable sheet material - Google Patents
Water-disintegrable sheet material Download PDFInfo
- Publication number
- CN107532389A CN107532389A CN201680025988.4A CN201680025988A CN107532389A CN 107532389 A CN107532389 A CN 107532389A CN 201680025988 A CN201680025988 A CN 201680025988A CN 107532389 A CN107532389 A CN 107532389A
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- CN
- China
- Prior art keywords
- sheet material
- water
- embossing
- body paper
- disintegrable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges
- A47L13/17—Cloths; Pads; Sponges containing cleaning agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
- A47K11/10—Hand tools for cleaning the toilet bowl, seat or cover, e.g. toilet brushes
Abstract
A kind of water-disintegrable sheet material, it is containing the water-disintegrable sheet material for being soaked with decoction in the body paper sheet material for the addition of water-soluble binder, above-mentioned body paper sheet material carries out synusia to multiple body paper and is process, and weight per unit area is 30~150gsm, coniferous tree paper pulp is set to be less than 1/1 relative to the match ratio of broad leaf tree paper pulp, contain the crosslinking agent and more than 3 yuan of polyalcohol for above-mentioned water-soluble binder is crosslinked reaction, above-mentioned more than 3 yuan of polyalcohol for being 1~20 weight % containing the weight being soaked with relative to above-mentioned body paper sheet material in above-mentioned decoction.
Description
Technical field
The present invention relates to a kind of water-disintegrable sheet material.
Background technology
In the past, in order to clean toilet, always using rag of repeatedly used system of weaving cotton cloth etc., in order to substitute this feelings
Condition, in recent years, begin to use disposable wet-sheet made of paper.Moreover, this wet-sheet is preferably with containing the state for being soaked with cleaning agent
There is provided, additionally it is possible to be punched into toilet handled after use.
For above-mentioned wet-sheet, it is desirable to ensure not breaking containing being soaked with the moisture state of cleaning agent in wiping operation
The paper durability (Paper power) of damage and do not blocked when pouring toilet etc. pipe arrangement etc. degree it is water-disintegrable, as effectively real
They existing a kind of technology, it is known to use with the addition of the hydrolysis paper of the water-soluble binder containing carboxymethyl cellulose (CMC) etc.
As its substrate paper (for example, referring to patent document 1).
Prior art literature
Patent document
Patent document 1：No. 3865506 publications of Japanese Patent No.
The content of the invention
However, when using containing the water-disintegrable sheet material for the decoction for having coordinated cleaning agent etc. is soaked with as rag (ワ イ プ),
In order to play cleaning performance in the operation of wiping object thing, it is expected to suppress the water-disintegrable sheet material that the moisture in decoction evapotranspires.
The present invention be in view of above-mentioned problem and carry out, its object is to provide a kind of to suppress the moisture in decoction and evapotranspire
Water-disintegrable sheet material.
In order to solve above-mentioned problem,
Invention described in technical scheme 1 is characterised by, is impregnated with the body paper sheet material that with the addition of water-soluble binder
There is the water-disintegrable sheet material of decoction,
Above-mentioned body paper sheet material to multiple body paper carry out synusia be process, and weight per unit area be 30~
150gsm,
Coniferous tree paper pulp is set to be less than 1/1 relative to the match ratio of broad leaf tree paper pulp,
Contain the crosslinking agent and more than 3 yuan polynary for above-mentioned water-soluble binder is crosslinked reaction in above-mentioned decoction
Alcohol,
Above-mentioned more than 3 yuan of polyalcohol for being 1~20 weight % containing the weight being soaked with relative to above-mentioned body paper sheet material.
Invention described in technical scheme 2 is characterised by, is impregnated with the body paper sheet material that with the addition of water-soluble binder
There is the water-disintegrable sheet material of decoction,
Above-mentioned body paper sheet material to multiple body paper carry out synusia be process, and weight per unit area be 30~
150gsm,
Coniferous tree paper pulp is set to be less than 2/3 relative to the match ratio of broad leaf tree paper pulp,
Contain the crosslinking agent for making above-mentioned water-soluble binder crosslink reaction in above-mentioned decoction,
The above-mentioned decoction for being 150~300 weight % containing the weight being soaked with relative to above-mentioned body paper sheet material.
Invention described in technical scheme 3 is characterised by, in the water-disintegrable sheet material described in technical scheme 1 or 2,
Above-mentioned body paper sheet material turns into the content of above-mentioned water-soluble binder with the thickness direction inner side from the body paper sheet material
Towards surface and the back side and increased state.
Invention described in technical scheme 4 is characterised by, in the water-disintegrable sheet material any one of technical scheme 1~3
In,
In whole face formed with embossing.
Invention described in technical scheme 5 is characterised by, in the water-disintegrable sheet material described in technical scheme 4,
Above-mentioned embossing has：
1st embossing and
Configure the above-mentioned 1st embossing around and swells shape it is different from above-mentioned 1st embossing the 2nd be embossed.
Invention described in technical scheme 6 is characterised by, in the water-disintegrable sheet material described in technical scheme 5,
Above-mentioned 1st embossing is arranged in diamond check.
Invention described in technical scheme 7 is characterised by, in the water-disintegrable sheet material described in technical scheme 5 or 6,
Above-mentioned 2nd embossing is arranged between 2 above-mentioned 1st embossing.
Invention described in technical scheme 8 is characterised by, in the water-disintegrable sheet material any one of technical scheme 5~7
In,
Form the embossing that above-mentioned 1st embossing connects and is linked to be with the above-mentioned 2nd embossing.
In accordance with the invention it is possible to provide the water-disintegrable sheet material that a kind of moisture inhibited in decoction evapotranspires.
Brief description of the drawings
Fig. 1 is the top view of an example of the cleaning toilet paper for representing present embodiment.
Fig. 2A is the enlarged drawing and sectional view of the embossing part of cleaning toilet paper.
Fig. 2 B are the enlarged drawing and sectional view of the embossing part of cleaning toilet paper.
Fig. 2 C are the enlarged drawing and sectional view of the embossing part of cleaning toilet paper.
Fig. 3 A are the explanation figures of an example of the contact area for representing embossing.
Fig. 3 B are the explanation figures of an example of the contact area for representing embossing.
Fig. 4 is the flow chart of the manufacture method for the cleaning toilet paper for representing present embodiment.
Fig. 5 is the signal of an example of the manufacturing equipment (solution imparting equipment) for the cleaning toilet paper for representing present embodiment
Figure.
Fig. 6 is the schematic diagram of an example of the manufacturing equipment (process equipment) for the cleaning toilet paper for representing present embodiment.
Fig. 7 is the top view of another example of the cleaning toilet paper for representing present embodiment.
Fig. 8 is the top view of another example of the cleaning toilet paper for representing present embodiment.
Fig. 9 is Fig. 8 A magnified partial view.
Figure 10 A are Fig. 9 B-B end view drawings.
Figure 10 B are Fig. 9 C-C end view drawings.
Embodiment
Hereinafter, while the water-disintegrable sheet material as embodiments of the present invention is described in detail on one side referring to the drawings.
But the scope of invention is not limited to illustrated example.
It should illustrate, for the water-disintegrable sheet material of the present invention, water-disintegrable sheet material is that an example is said with cleaning toilet paper 100
It is bright, but the water-disintegrable sheet material of the present invention also includes being soaked with hygenic towelette for the decoction for cleaning purposes etc. containing in addition to cleaning toilet paper.Separately
Outside, the conveying direction of paper when manufacturing cleaning toilet paper 100 is set to Y-direction (longitudinal direction), the direction vertical with conveying direction is set to X
Direction (transverse direction) illustrates.
[composition of cleaning toilet paper 100]
First, the composition of cleaning toilet paper 100 is illustrated.
Cleaning toilet paper 100 is that multiple (for example, 2) body paper carry out synusia processing (stacking) and formed, containing being soaked with defined medicine
Liquid.In addition, as shown in figure 1, implement 2 kinds of embossing EM11 and EM12 in the whole face of sheet material of cleaning toilet paper 100 by being embossed processing.Should
Illustrate, with cleaning the contact area of object etc. preferably per 100mm as caused by 2 kinds of embossing EM11 and EM122For 15mm2~
30mm2Left and right.
For example, being configured by embossing EM11 in a manner of as diamond check, square lattice is configured to embossing EM11
Or the situation of rectangular grid is uneven compared to that can reduce wiping.In addition, embossing EM12 configurations are between EM11 is embossed.
In addition, cleaning toilet paper 100 is folded into doubling by carrying out folding processing in the central portion of long side direction (Y-direction).
Then, it is stored in folded state in the plastic casing or packaging film of preservation etc., deploys to use as needed during use.Should
Illustrate, the folding mode of cleaning toilet paper 100 is not limited to doubling, such as can be 4 foldings, or 8 foldings.
In addition, in order to be directly discarded in after toilet is cleared away in the puddles of water of closestool, the cleaning toilet paper of present embodiment
100 are made up of water-disintegrable fiber assembly.
As fiber assembly, using by bleached hardwood kraft pulp (LBKP) and coniferous tree bleached kraft pulp
(NBKP) fiber mixed.As preferable raw fibre, the bleached hardwood in the composition of the raw fibre can be enumerated
The mixing ratio of kraft pulp is more than 50 weight %, i.e. coniferous tree bleached kraft pulp relative to bleached hardwood kraft pulp
Match ratio is less than 1/1 raw fibre.As preferred raw fibre, the broad leaf tree in the composition of the raw fibre can be enumerated
The mixing ratio of bleached kraft pulp is more than 60 weight %, i.e. coniferous tree bleached kraft pulp relative to bleached hardwood brown paper
The match ratio of slurry is less than 2/3 raw fibre.By increasing bleached hardwood kraft pulp relative to coniferous tree BK bleached kraft
The match ratio of slurry, interfibrous gap can be reduced, the moisture suppressed in decoction evapotranspires.In addition, in order to improve as cleaning toilet paper
The intensity of the body paper sheet material of 100 base material, carboxymethyl cellulose (CMC) is coated with the body paper sheet material as paper durability increasing
Strong agent.More specifically, with CMC content as the thickness direction inner side from the body paper sheet material increases towards surface and the back side
Mode be coated.
In addition, containing defined decoction is soaked with the cleaning toilet paper 100 of present embodiment, specifically, containing being soaked with, water removal property is clear
Defined medicine beyond lotion also containing adjuvants such as spices, preservative, bacteria remover, paper durability reinforcing agent, organic solvents
Liquid.It is preferred that the decoction is impregnated with 150~300 weight % relative to the weight of the body paper sheet material of the base material as cleaning toilet paper 100.
As decoction, appropriate material can be used, for example, as waterborne cleaning agent, in addition to surfactant, may be used also
To use rudimentary or advanced (aliphatic) alcohol.As spices, in addition to water-based spices, can also be fitted from the oily perfumes such as orange oil
Locality selection uses one or more of.As preservative, such as methyl p-hydroxybenzoate, P-hydroxybenzoic acid second can be used
The parabenses such as ester, propylparaben.As bacteria remover, such as benzalkonium chloride, glucose can be used
Sour chlorhexidine, PVP-I, ethanol, benzene prick ammonium Phosphoric acid monohexadecyl ester salt, triclosan, chloroxylenol, isopropyl methyl phenol
Deng.As paper durability reinforcing agent (crosslinking agent), boric acid, each metal ion species etc. can be used., can be with as organic solvent
Use the polyalcohols such as ethylene glycol (2 yuan), glycerine (3 yuan), D-sorbite (4 yuan).In the cleaning toilet paper 100 of present embodiment, make
For organic solvent, at least using the polyalcohol of more than 3 yuan of glycerine or D-sorbite etc..Thereby, it is possible to improve to be impregnated in raw paper sheet
The viscosity of the decoction of material, the moisture that can suppress in decoction evapotranspire.It is preferred that more than 3 yuan of the polyalcohol is relative to body paper sheet material
Weight is impregnated with 1~20 weight %.Because the upper limit of the containing ratio is set into 20 weight % can suppress because excessively improving decoction
Viscosity caused by qualification rate reduction.
In addition, the adjuvant of the composition of above-mentioned decoction can properly select, can also contain as needed in decoction
Play the composition of other functions.
As shown in Figure 2 A, embossing EM11 has the shape that swells PR21 is curved surface.
In addition, as shown in Figure 2 B, embossing EM12 has the shape that swells PR22 is plane.
Moreover, because embossing EM12 configuration between EM11 be embossed, by be embossed EM11 swells PR21 and
EM12 swells PR22 is close and closely sealed, so as to be formed as the embossing EM21 being linked to be as shown in Figure 2 C.
Alternatively, it is also possible to be embossed EM11 swells PR21 with embossing EM12 swells PR22 only proximate to and be not attached to
Situation.
It can increase and clean the contact area of object etc. by the 2 kinds of embossing EM11 and EM12 so formed, thus
The hardness of cleaning toilet paper 100 is relaxed, and wiping properties uprise.
That is, the embossing EM11 and drum that swells PR21 is curved surface are formed in combination by the whole face of sheet material in cleaning toilet paper 100
The embossing EM12 that portion PR22 is plane is played, so that in wiping operation to being respectively embossed generation at the time of cleaning toilet 100 applying power of paper
Deformation, contact area starts to increase, therefore increases contact area, and flexibility is also carried due to the deformation of each embossing
It is high.
For example, as shown in Figure 3A, cleaning toilet paper 100 is applied in the case of single embossing EM11, during because of wiping operation
Power and make embossing EM11 deform caused by contact area CN31 embossing EM11 near discretely produce.On the other hand, exist
In the case that combination has 2 kinds of embossing EM11 and EM12, as shown in Figure 3 B, it is known that because applying in wiping operation to cleaning toilet paper 100
Power and make embossing EM11 and EM12 deform caused by contact area CN32 increase compared with Fig. 3 A contact area CN31.
In addition, 2 kinds of embossing EM11 and EM12 can similarly obtain common embossing effects, it is possible to increase the hand of cleaning toilet paper
Sense, absorbability and fluffy degree etc..And then the embossing EM21 being linked to be can be also obtained because implementing to be embossed in the same manner as common embossing
The good effect of caused outward appearance.
[manufacture method of cleaning toilet paper 100]
Next, the manufacture method of cleaning toilet paper 100 is illustrated.
Fig. 4 is the flow chart for the manufacture method for representing cleaning toilet paper 100.Fig. 5 is that the body paper sheet material of cleaning toilet paper 100 is assigned to contain
The solution for having the binder solution of water-soluble binder assigns the schematic diagram of equipment.Fig. 6 is set to being assigned with the solution shown in Fig. 5
The schematic diagram for the process equipment that the standby body paper sheet material for imparting binder solution is processed.
As shown in figure 4, in the manufacture method of cleaning toilet paper 100, first, carry out by paper machine (omitting diagram) conduct of manufacturing paper with pulp
The copy paper process (S1) of the paper of body paper.
Next, as shown in Figure 4 and Figure 5, following process is carried out in solution assigns equipment：Synusia manufacturing procedure (S2),
Extracted out to respectively from more (for example, 2) 1 winding roll (former anti-ロ ー Le) 1,1 for batching the body paper through manufacturing paper with pulp continuous
Body paper 1A, 1A is dried to carry out synusia processing and synusia continuous sheet 1B is made；Solution assigns process (S3), to synusia continuous sheet
1B assigns binder solution and continuous sheet 1C is made；Drying process (S4), dry continuous sheet 1C；Cut coiling process
(S5), cut and batch dry continuous hydrolysis sheet material 1D.It should illustrate, as long as 1 winding roll more than 2, so that it may
Suitably to change radical, but in the following description, to being illustrated using example at 2.
Then, as shown in Figure 4 and Figure 6, following process is carried out in process equipment：Manufacturing procedure (S6) is embossed, to upper
Continuous hydrolysis sheet material 1D implementation embossing batching in cutting coiling process (S5), extracting out from 2 winding rolls 11 is stated to add
Work；Finishing step (S7), the sheet material 1E being embossed to the completion for implementing embossing processing implement finishing.It should illustrate, each work
The detailed content of sequence carries out aftermentioned.
(copy paper process)
Heretofore described copy paper process is illustrated.In the copy paper process of the present invention, such as using known
Wet type papermaking technology carries out copy paper to copy paper raw material and forms body paper sheet material.That is, after copy paper raw material is l Water Paper state, utilize
Dryer etc. is dried and forms the body paper sheet material such as tissue paper, crimped paper.
As the raw material of body paper sheet material, such as known primary paper pulp, old paper stock etc. can be utilized, at least contain paper pulp
Fiber.Paper pulp as the raw material particularly preferably coordinates the paper pulp that LBKP and NBKP is formed in the proper ratio.It should illustrate, make
For the fiber in addition to paper pulp fiber, rayon fiber, synthetic fibers etc. can also be contained.
In addition, (below, it is designated as " anion containing anionic property acrylamide polymer in the body paper sheet material of the present invention
Property PAM ".) it is used as flocculating agent.Anionic property PAM refers to obtained from acrylamide monomer and anionic monomers copolymerization
Polymer.
As acrylamide monomer, be single acrylamide or acrylamide and it is following it is such can be with acryloyl
The mixture of the non-ionic monomer of amine copolymer etc..As the non-ionic monomer that can be copolymerized with acrylamide, methyl can be illustrated
Acrylamide, N, N- DMAAs, N, N- acrylamides, NIPA, N- isopropyl methyls
Acrylamide, N- hydroxyethyl acrylamides, DAAM, acryloyl morpholine, N- acryloyl groups pyrrolidines, N- acryloyls
Phenylpiperidines, NVP, N- vinyl formamides, N- vinyl acetamides.They can be used alone, can also
And use two or more.
, can exemplary propylene acid, methacrylic acid, acrylamide-2-methyl propane sulfonic, clothing health as anionic monomers
Acid, maleic acid, fumaric acid and their neutralization salt.
It should illustrate, as long as anionic property PAM water miscible degree is not damaged, can also styrene, propylene
The monomers such as nitrile, (methyl) acrylate.
As anionic property PAM addition, preferably 10~1000ppm or so.It is with paper pulp by using such
The flocculating agent of the anion system of identical charges carries out copy paper, can reduce the cohesion of body paper sheet material, can utilize capillarity
It is water-disintegrable to improve.
It should illustrate,, can also be suitably resistance to using moistening paper in addition to above-mentioned paper pulp and flocculating agent in body paper sheet material
The copy paper medicine such as expenditure agent, bonding agent, remover.
(continuous drying body paper)
As continuous drying body paper 1A physical property, preferred unit area weight is 15~75gsm or so.In addition, through synusia
The weight per unit area of the sheet material (continuous hydrolysis sheet material 1D) containing water-soluble binder of processing is 30~150gsm or so.
It should illustrate, weight per unit area is the value obtained based on JIS P 8124.
Continuous drying body paper 1A assigns process (S3), drying process by synusia manufacturing procedure (S2) described later, solution
(S4), cut coiling process (S5) and turn into the hydrolysis paper processed through synusia, further across embossing manufacturing procedure described later
(S6), finishing step (S7) and be processed into cleaning toilet paper 100.
(synusia manufacturing procedure)
Next, the synusia manufacturing procedure (S2) of present embodiment is illustrated.As shown in figure 5, process work in synusia
In sequence (S2), by each continuous drying body paper 1A, 1A for continuously being extracted out from winding roll 1, direction carries out synusia processing and supplied continuously along
To the overlapping portion 2 that synusia continuous sheet 1B is made.Overlapping portion 2 is made up of a pair of rolls, and synusia is carried out to each continuous body paper 1A, 1A
Process and formed the synusia continuous sheet 1B processed through synusia.It should illustrate, be overlapped each other making continuous drying body paper 1A, 1A
When, in order that continuous drying body paper 1A, 1A are not easy to stagger each other, (contact embossing) can also be embossed with pin type and is gently pinned.
(binder solution)
Then, binder solution is illustrated.Binder solution contains the carboxymethyl cellulose as water-soluble binder
Plain (CMC).It is 1~30 weight %, preferably more than 1 weight % as the concentration of the carboxymethyl cellulose in binder solution
And it is less than 4 weight %.
On the other hand, for CMC, its degree of etherification falling is preferably 0.6~2.0, and particularly preferably 0.9~1.8, further
Preferably 1.0~1.5.Extremely well embody water-disintegrable and moistening paper durability.
In addition, CMC can use the CMC of water-swellable.It can by the crosslinking of the special metal ion in decoction and
The function of tying down the fiber that sheet material is formed with the state of non-swelling is played, can bear to clean wiping operation so as to embody conduct
Wipe sheet intensity.
As the composition in addition to carboxymethyl cellulose in binder solution, can enumerate polyvinyl alcohol, starch or its spread out
Biology, hydroxypropyl cellulose, mosanom, bassora gum, guar gum, xanthans, Arabic gum, carragheen, galactomannans,
Gelatin, casein, albumin, amylopectin, PEO, viscose glue, polyvinyl ethyl ether, Sodium Polyacrylate, poly- methyl-prop
Olefin(e) acid sodium, polyacrylamide, the hydroxylation derivative of polyacrylic acid, polyvinylpyrrolidone/vinyl pyrrolidone-acetic acid second
The Binder Compositions such as enoate copolymer.
From it is water-disintegrable it is good in terms of, moistening intensity can be embodied by cross-linking reaction from the aspect of, preferably using tool
There is the water-soluble binder of carboxyl.
Water-soluble binder with carboxyl is the water-soluble binder for the anionic property that carboxylate is easily generated in water.
As its example, polysaccharide derivates, synthesis macromolecule, natural products can be enumerated.As polysaccharide derivates, carboxymethyl fibre can be enumerated
Tie up salt, carboxyethyl cellulose or its salt, carboxymethylated starch or its salt of element etc., the alkali metal of particularly preferred carboxymethyl cellulose
Salt.
As synthesis macromolecule, the polymer of unsaturated carboxylic acid or the salt of copolymer, unsaturated carboxylic acid and can be with can be enumerated
Salt of copolymer of monomer of unsaturated carboxylic acid copolymerization etc..As unsaturated carboxylic acid, can enumerate acrylic acid, methacrylic acid,
Itaconic acid, crotonic acid, maleic anhydride, maleic acid, fumaric acid etc..As the monomer that can be copolymerized with them, these insatiable hungers can be enumerated
Ester, vinyl acetate, ethene, acrylamide, vinyl ethers with carboxylic acid etc..Particularly preferred synthesis macromolecule is to use propylene
The synthesis macromolecule of acid or methacrylic acid as unsaturated carboxylic acid, specifically, can enumerate polyacrylic acid, polymethyl
Acid, the salt of acrylic acid-methacrylic acid copolymer, acrylic or methacrylic acid and alkyl acrylate or methacrylic acid alkane
The salt of the copolymer of base ester.As natural products, mosanom, xanthans, gellan gum, bassora gum, pectin etc. can be enumerated.
(solution imparting process)
Next, the solution imparting process (S3) of present embodiment is illustrated.As shown in figure 5, assign work in solution
In sequence (S3), by two-fluid mode 3,3 couples of synusia continuous sheet 1B of each nozzle two outer surfaces (to continuous drying body paper
1A, 1A carry out during synusia processing continuous drying body paper 1A, 1A not opposed face each other) the above-mentioned binder solution of spraying.Thus, may be used
So that the water-soluble binder contained in binder solution to be added in synusia continuous sheet 1B.
Should illustrate, as the spray method of binder solution, for example, can utilize two-fluid mode each nozzle to from
The outer surface (the not opposed face of each sheet material) of continuous drying body paper 1A, 1A that above-mentioned 1 winding roll 1,1 is extracted out respectively each sheet material
Spray above-mentioned binder solution, synusia processing is carried out to continuous drying body paper 1A, the 1A immediately afterwards, so as to generate and above-mentioned company
Sheet material equal continuous sheet material 1C.
The nozzle 3 of two-fluid mode is the mode that the compressed air and liquid that will be divided into 2 systems mixed and made that it sprays
Nozzle, being capable of fine and smooth and equably spraying liquid compared with the nozzle of single fluid mode for individually spraying compressed liquid.
When using the nozzle of two-fluid mode in the present embodiment, existed with higher pressure (injection pressure more than 1.5MPa)
Each outer surface applied adhesive solution (400~1200MPa.s of viscosity) of synusia continuous sheet 1B through synusia processing, thus
Easily binder solution is impregnated with the thickness direction of sheet material.
On the other hand, in the present embodiment using the nozzle of single fluid mode when, with injection pressure below 1.5MPa passing through
The synusia continuous sheet 1B of synusia processing each outer surface applied adhesive solution (400~1200MPa.s of viscosity), therefore hold
Binder solution easily is impregnated with the thickness direction of sheet material, easily in sheet surface equably applied adhesive solution.
(drying process)
Then, the drying process (S4) of present embodiment is illustrated.As shown in figure 5, in drying process (S4), dry
Make the insoluble liquid component evaporation in above-mentioned continuous sheet 1C binder solution in dry equipment 4, make active ingredient, be particularly
CMC fixes relative to fiber.
Here, the immersion amount of binder solution is with from continuous sheet 1C outer surface (surface and the back side) towards thickness side
Reduced to inner side, so CMC fixed amount is reduced with towards thickness direction inner side.Therefore, in finishing described later
In process (S7) during impregnation decoction, as towards on the inside of the thickness direction, cross-linking reaction is difficult to occur, and has more space,
So it can be set to enclose the state of the decoction inside sheet material.Thereby, it is possible to the cleaning toilet paper 100 for making to obtain to be difficult to drying.Separately
Outside, due to the cross-linking reaction of the substantial amounts of CMC of proximity generation in continuous sheet 1C, so the cleaning toilet paper enabled to
100 surface strength is firm.
As drying equipment 4, it can utilize and hot blast is blowed to continuous sheet 1C set its dryer with gas hood dried
It is standby.It should illustrate, in order that sheet material is further closely sealed each other, backer roll or slewing rollers can be set, can also be in drying process
(S4) continuous sheet 1C is passed through into the backer roll or the slewing rollers before.
Alternatively, it is also possible to use based on the equipment of infrared radiation as above-mentioned drying equipment.Now, in above-mentioned serialgram
Material 1C conveying direction multiple infrared radiation portions side by side, the continuous sheet 1C irradiation infrared rays conveyed are dried.
Because being moisture is generated heat using infrared ray and dry, compared with the dryer using hot blast, can equably dry, energy
Enough prevent the generation of the fold in the cutting coiling process of back segment.
(cutting coiling process)
Next, the cutting coiling process (S5) to present embodiment illustrates.In cutting coiling process (S5)
In, in order to which coil paper when being processed using offline processing machine to the continuous hydrolysis sheet material 1D processed through synusia is made, to
The continuous hydrolysis sheet material 1D adjustment tension force for the fixation dried in above-mentioned drying process (S4) and realize CMC, and utilize and divide
Cut machine 5 and cut into defined width, batched in coil paper machine equipment 6.Coiling speed be consider synusia manufacturing procedure (S2),
Solution assigns process (S3), drying process (S4) suitably determines.If pay attention to it is too fast, produce sheet material it is disrumpent feelings, if
Cross slowly, then produce fold.
In cutting coiling process (S5), by crimping the continuous hydrolysis sheet material 1D processed through synusia, so that even
It is further integrated to continue water-disintegrable sheet material 1D, turns into the sheet material equivalent to 1.
(embossing manufacturing procedure)
Then, the embossing manufacturing procedure (S6) to present embodiment illustrates.As shown in fig. 6, in embossing manufacturing procedure
(S6) in, the continuous hydrolysis sheet material 1D extracted out from 2 winding rolls 11 is implemented using knurling rolls 12 to form rule in the whole face of sheet material
The embossing processing of fixed shape.Embossing processing improves design while being to improve the intensity of sheet material, fluffy degree, wiping etc.
For the purpose of property and carry out.
(finishing step)
Next, the finishing step (S7) of present embodiment is illustrated.As shown in fig. 6, in finishing step
(S7) in, in finish machining equipment 13 by a series of flows carry out complete embossing sheet material 1E severing processing, severing it is each
Sheet material folding processing, above-mentioned decoction carried out fold processing each sheet material in impregnation, containing each sheet material for being soaked with the decoction
Packaging.Here, the crosslinking agent contained in decoction when using CMC as water-soluble binder, preferably using polyvalent metal from
Son.From between fiber fully with reference to and embody moistening intensity that can be durable in terms of and it is water-disintegrable become sufficiently from the aspect of, it is special
The one kind or two or more polyvalent metal ion in alkaline-earth metal, manganese, zinc, cobalt and nickel is not preferably used.These metals
In ion, particularly preferably using calcium, strontium, barium, zinc, cobalt, nickel ion.
By manufacturing cleaning toilet paper 100 by above each operation.
As described above, according to present embodiment, if making coniferous tree bleached kraft pulp relative to bleached hardwood ox-hide
The match ratio of paper pulp is less than 1/1, then by making cooperation of the bleached hardwood kraft pulp relative to coniferous tree bleached kraft pulp
Than increase, interfibrous gap can be reduced, the moisture suppressed in decoction evapotranspires.In addition, it is soaked with because containing relative to raw paper sheet
The weight of material is 1~20 weight % more than 3 yuan of polyalcohol, so the sheet material can be made to have viscosity, further depressant
Moisture in liquid evapotranspires.
In addition, because body paper sheet material (continuous sheet 1C) turns into CMC content with the thickness direction from the body paper sheet material
Inner side is towards surface and the back side and increased state, so when making the decoction containing crosslinking agent be impregnated in the body paper sheet material, with
Towards on the inside of the thickness direction, cross-linking reaction is difficult to occur, and has a large amount of spaces, therefore can be set to seal inside sheet material
Enter the state of the decoction.Thereby, it is possible to the cleaning toilet paper 100 for making to obtain to be difficult to drying.In addition, because in the outer surface of body paper sheet material
Substantial amounts of CMC cross-linking reaction nearby occurs, so the surface strength of the cleaning toilet paper 100 enabled to is firm.
More than, the present invention is illustrated based on embodiment, but the present invention is not limited to above-mentioned embodiment,
It can be changed in the range of its purport is not departed from.
When being illustrated to embodiments of the present invention etc., there is the embossing of curve form exemplified with swells PR21
EM11 and swells PR22 has the embossing EM12 of flat shape, but may not be defined in the shape, such as embossing EM11 and embossing
EM12 swells can also be highly different flat shapes.In addition, for example, it is also possible to the swells for being embossed EM11 is plane
Shape, the swells for being embossed EM12 are curve form.
In other words, as long as the shape of swells be not 2 kinds of same shape embossing (the 1st embossing and the 2nd embossing) and
The 2nd embossing is configured with around 1st embossing, then the shape for the swells being respectively embossed can be any.
In addition, when being illustrated to embodiments of the present invention etc., swells is configured in drum for the embossing EM12 of plane
The portion of rising is between the embossing EM11 of curved surface, but embossing EM11 can also intersect.
In addition, when being illustrated to embodiments of the present invention etc., drawings of whole embossing EM11 and EM12 to Fig. 1
Outward direction is raised, but will can also be recessed to the raised embossing EM11 and EM12 of drawing outward direction and in drawing outward direction
Embossing EM11 and EM12 alternatively configure.
For example, as shown in fig. 7, by by raised embossing EM11 and EM12 (the solid line portions of the drawing outward direction to Fig. 7
Point) with to Fig. 7 drawing outward direction be recessed embossing EM11 and EM12 (dotted portion) alternatively configure, using the teaching of the invention it is possible to provide one kind
The surface strength of household tissue paper and any surface wiping properties in the two sides of cleaning toilet paper 100 are improved because being embossed and processing
All high household tissue paper.
In addition, when being illustrated to embodiments of the present invention etc., by make embossing EM11 swells PR21 with
EM12 swells PR22 is close and closely sealed, so as to be formed as the embossing EM21 being linked to be, but be embossed EM11 swells PR21 and
EM12 swells PR22 can also be only proximate to without closely sealed.
In addition, when being illustrated to embodiments of the present invention, as embossing EM11 shape, exemplified with circular or ellipse
Circular shape, but the shape being embossed can also be the arbitrary shapes such as square, polygon.
In addition, the height HT21 and HT22 of the swells of embossing EM11 and EM12 in Fig. 2 be for example preferably 0.40mm~
0.75mm.It should illustrate, such as 3D measure is carried out to surface to determine embossing by using Keyence digit microscope
The height HT21 and HT22 of EM11 and EM12 swells.
For example, if height is less than 0.40mm, friction when wiping becomes strong, it is difficult to is wiped, in addition, if height
More than 0.75mm, then the shape that EM11 and EM12 is embossed in packaging is easily flattened, degraded appearance.
In addition, embossed pattern is not limited to above-mentioned pattern, or embossed pattern as shown in figs. 8-10.Such as Fig. 8~10
Shown, recess e2 is the shape for forming convex portion e1 reversions.Convex portion e1 and recess e2 is alternatively configured to a row, is formed and arranges this
The embossed pattern arranged in a manner of the convex portion e1 and recess e2 of multiple row and adjacent row stagger half of spacing.So, by
Vertical and horizontal all alternatively formed convex portion e1 and recess e2, so as to convex portion each other or recess mutual arrangement into one row embossing
Pattern compares the wiping that can improve dirt.It should illustrate, convex portion e1 and recess e2 shape are not particularly limited, and can be used
Circle, ellipse, polygon etc..Each shape can also be combined.
Industrial applicability
The present invention can use well in the manufacturing field of water-disintegrable sheet material.
Symbol description
100 cleaning toilet paper
11 winding rolls
The continuous drying body paper of 1A
1B synusia continuous sheets
1C continuous sheets
1D continuous hydrolysis sheet materials
1E completes the sheet material of embossing
2 overlapping portions
3 nozzles
4 the 1st drying equipments
5 cutting machines
6 coil paper machine equipments
11 2 winding rolls
12 knurling rolls
13 finish machining equipments
EM11 is embossed
EM12 is embossed
EM13 is embossed
PR21 swells
PR22 swells
Claims (8)
1. a kind of water-disintegrable sheet material, it is to contain water-disintegrable that is soaked with decoction in the body paper sheet material for the addition of water-soluble binder
Material, it is characterised in that
The body paper sheet material carries out synusia to multiple body paper and is process, and weight per unit area is 30~150gsm,
Coniferous tree paper pulp is set to be less than 1/1 relative to the match ratio of broad leaf tree paper pulp,
Contain the crosslinking agent and more than 3 yuan of polyalcohol for the water-soluble binder is crosslinked reaction in the decoction,
Described more than 3 yuan of polyalcohol for being 1~20 weight % containing the weight being soaked with relative to the body paper sheet material.
2. a kind of water-disintegrable sheet material, it is to contain water-disintegrable that is soaked with decoction in the body paper sheet material for the addition of water-soluble binder
Material, it is characterised in that
The body paper sheet material carries out synusia to multiple body paper and is process, and weight per unit area is 30~150gsm,
Coniferous tree paper pulp is set to be less than 2/3 relative to the match ratio of broad leaf tree paper pulp,
Contain the crosslinking agent for making the water-soluble binder crosslink reaction in the decoction,
The decoction for being 150~300 weight % containing the weight being soaked with relative to the body paper sheet material.
3. water-disintegrable sheet material according to claim 1 or 2, it is characterised in that the body paper sheet material turns into the water solubility
The content of binding agent with the inside of thickness direction from the body paper sheet material towards surface and the back side and increased state.
4. according to water-disintegrable sheet material according to any one of claims 1 to 3, it is characterised in that in whole face formed with embossing.
5. water-disintegrable sheet material according to claim 4, it is characterised in that the embossing has：
1st embossing and
It is configured at the 2nd embossing that around the 1st embossing and the shape of swells is different from the 1st embossing.
6. water-disintegrable sheet material according to claim 5, it is characterised in that the 1st embossing is arranged in diamond check.
7. the water-disintegrable sheet material according to claim 5 or 6, it is characterised in that the 2nd embossing is arranged in 2 the described 1st
Between embossing.
8. the water-disintegrable sheet material according to any one of claim 5~7, it is characterised in that form the 1st embossing and institute
State the embossing that the 2nd embossing connects and is linked to be.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-110837 | 2015-05-29 | ||
| JP2015110837A JP6096244B2 (en) | 2015-05-29 | 2015-05-29 | Water disintegratable sheet |
| JP2015110839A JP6096245B2 (en) | 2015-05-29 | 2015-05-29 | Water disintegratable sheet |
| JP2015-110839 | 2015-05-29 | ||
| PCT/JP2016/060510 WO2016194460A1 (en) | 2015-05-29 | 2016-03-30 | Water-disintegrable sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107532389A true CN107532389A (en) | 2018-01-02 |
Family
ID=57440878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680025988.4A Pending CN107532389A (en) | 2015-05-29 | 2016-03-30 | Water-disintegrable sheet material |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180146834A1 (en) |
| EP (1) | EP3305983B1 (en) |
| KR (1) | KR102510363B1 (en) |
| CN (1) | CN107532389A (en) |
| WO (1) | WO2016194460A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655097A (en) * | 2018-02-28 | 2020-09-11 | 大王制纸株式会社 | Paper towel |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427181B (en) | 2015-03-31 | 2020-07-31 | 大王制纸株式会社 | Household tissue paper and water-disintegratable sheet |
| KR102510361B1 (en) * | 2015-05-29 | 2023-03-14 | 다이오세이시가부시끼가이샤 | Water-disintegrable sheet |
| JP6470236B2 (en) * | 2016-08-26 | 2019-02-13 | 大王製紙株式会社 | Water-decomposable sheet and method for producing the water-decomposable sheet |
| JP6211160B1 (en) * | 2016-09-30 | 2017-10-11 | 大王製紙株式会社 | Water disintegratable sheet |
| JP6541718B2 (en) * | 2017-06-09 | 2019-07-10 | 大王製紙株式会社 | Cleaning sheet |
| JP6532910B2 (en) * | 2017-06-16 | 2019-06-19 | 大王製紙株式会社 | Cleaning sheet |
| JP7105750B2 (en) * | 2019-09-30 | 2022-07-25 | 大王製紙株式会社 | Water disintegratable sheet |
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| CN104271023A (en) * | 2012-05-02 | 2015-01-07 | 山田菊夫 | Method for producing water-disintegrable paper |
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| JP3865506B2 (en) * | 1997-09-08 | 2007-01-10 | ユニ・チャーム株式会社 | Water-decomposable fiber sheet containing fibers with different fiber lengths |
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| JP5563254B2 (en) * | 2009-07-31 | 2014-07-30 | 大王製紙株式会社 | Water-decomposable wet sheet for cleaning |
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2016
- 2016-03-30 KR KR1020177032368A patent/KR102510363B1/en active IP Right Grant
- 2016-03-30 CN CN201680025988.4A patent/CN107532389A/en active Pending
- 2016-03-30 EP EP16802897.5A patent/EP3305983B1/en active Active
- 2016-03-30 WO PCT/JP2016/060510 patent/WO2016194460A1/en active Application Filing
- 2016-03-30 US US15/576,931 patent/US20180146834A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223318A (en) * | 1997-09-24 | 1999-07-21 | 尤妮佳股份有限公司 | Hydrolysis fibre thin piece and the laminated thin piece for polishing |
| US20070128411A1 (en) * | 2005-12-05 | 2007-06-07 | Kao Corporation | Bulky sheet |
| JP2007209657A (en) * | 2006-02-13 | 2007-08-23 | Kao Corp | Bulky cleaner and manufacturing method thereof |
| CN104271023A (en) * | 2012-05-02 | 2015-01-07 | 山田菊夫 | Method for producing water-disintegrable paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655097A (en) * | 2018-02-28 | 2020-09-11 | 大王制纸株式会社 | Paper towel |
| US11274398B2 (en) | 2018-02-28 | 2022-03-15 | Daio Paper Corporation | Tissue paper |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3305983A1 (en) | 2018-04-11 |
| EP3305983A4 (en) | 2018-04-25 |
| KR102510363B1 (en) | 2023-03-14 |
| EP3305983B1 (en) | 2020-05-06 |
| KR20180013876A (en) | 2018-02-07 |
| WO2016194460A1 (en) | 2016-12-08 |
| US20180146834A1 (en) | 2018-05-31 |
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Application publication date: 20180102 |