CN109528052A - Paper for daily use - Google Patents
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- CN109528052A CN109528052A CN201710870149.9A CN201710870149A CN109528052A CN 109528052 A CN109528052 A CN 109528052A CN 201710870149 A CN201710870149 A CN 201710870149A CN 109528052 A CN109528052 A CN 109528052A
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- Prior art keywords
- paper
- moisture
- daily use
- moisturizer
- papery base
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Classifications
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- 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
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/16—Paper towels; Toilet paper; Holders therefor
-
- 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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Paper (AREA)
Abstract
This application discloses a kind of paper for daily use, which includes: papery base, and the papery base is in reticular structure, and several holes are distributed with thereon, and the porosity of the papery base is 10%-30%;Coating layer, it is arranged in the papery base, it is coated with moisture-keeping composition thereon, the moisture-keeping composition includes moisturizer and water, the mass percentage of water is 5-60% in the moisture-keeping composition, the mass percentage of moisturizer is 10-90% in the moisture-keeping composition, and the moisturizer is multicomponent alcoholics compound.By the above-mentioned means, the application enables to the paper for daily use to have strong environment water absorbing capacity and water lock ability, the paper for daily use is made to keep moisture state for a long time.
Description
Technical field
This application involves paper for daily use technical fields, more particularly to a kind of paper for daily use with water lock function.
Background technique
Paper for daily use is used in daily life extensively, but existing paper for daily use is relatively dry,
This makes paper for daily use be easier to lose powder in use, and user uses also without moist feeling, and feel is poor.
There are some paper for daily use products that aqueous ingredients is coated on surface at present, it is wet by being coated in paper surface
Chemical drug, come the feeling for allowing paper surface to keep wet.But present inventor has found in long-term R&D process,
The water lock of these paper for daily uses is poor, and after a period of time, moisture is easy to scatter and disappear, and paper wetness conditions is caused to decline.
Summary of the invention
The application can lock the water in paper mainly solving the technical problems that provide a kind of paper for daily use for a long time
Point.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of paper for daily use, the life
Applying flexibly paper includes: papery base, and the papery base is in reticular structure, and several holes are distributed with thereon, the papery base
Porosity is 10%-30%;Coating layer is arranged in the papery base, is coated with moisture-keeping composition, the moisturizing group thereon
Closing object includes moisturizer and water, and the mass percentage of water is 5-60% in the moisture-keeping composition, in the moisture-keeping composition
The mass percentage of moisturizer is 10-90%, and the moisturizer is multicomponent alcoholics compound.
Wherein, the papery base is the netted laminate structure body that cellulose fibre is constituted;Water in the papery base
Content is 4-8%;The porosity of the papery base is 14%-20%.
Wherein, the mass percentage of moisturizer is 50-85% in the moisture-keeping composition.
Wherein, the mass percentage of moisturizer is 69% in the moisture-keeping composition, and the moisturizer is glycerol.
Wherein, the multicomponent alcoholics compound is glycerol, 1,3-PD, 1,2-PD, 1,3-BDO, sorb
At least one of alcohol, polyethylene glycol, polyglycereol and polypropylene glycol.
Wherein, the molecular weight of the polyglycereol is 150-800, and the molecular weight of the polyethylene glycol and the polypropylene glycol is
200-4000。
Wherein, the mass percentage of water is 20-40% in the humectant composition.
Wherein, the viscosity of the humectant composition is 50-1000CPS.
Wherein, the papery base includes at least two single layers, is carried out by the way of embossing between two single layers
In conjunction with, and form embossed regions;The area of the embossed regions is greater than or equal to the 50% of the papery substrate surface area;Each institute
It states and hole is distributed on single layer, the difference of the porosity between two single layers is less than or equal to 10%.
Wherein, the single layer includes at least two techonospheres, and at least two techonosphere passes through paper machine at least respectively
Two head box-shapeds form wherein one in the forming net side close to the paper machine at a, head case at least two head case
A techonosphere, another head case form another techonosphere in the woollen blanket side close to the paper machine;Divide on each techonosphere
It is furnished with hole, the difference of the porosity between two techonospheres is less than or equal to 10%.
The beneficial effect of the application is: being in contrast to the prior art, the paper for daily use of the application includes: papery base
Layer, the papery base are in reticular structure, and several holes are distributed with thereon, and the porosity of the papery base is 10%-30%;
Coating layer is arranged in the papery base, is coated with moisture-keeping composition thereon, the moisture-keeping composition include moisturizer and
Water, the mass percentage of water is 5-60% in the moisture-keeping composition, the quality percentage of moisturizer in the moisture-keeping composition
Content is 10-90%, and the moisturizer is multicomponent alcoholics compound.By this method, the paper for daily use is enabled to have
Strong environment water absorbing capacity and water lock ability, makes the paper for daily use keep moisture state for a long time.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of one embodiment of the application paper for daily use.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall within the protection scope of the present invention.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the application paper for daily use, which includes: paper
Matter base 1 and coating layer 2.
Wherein, papery base 1 is in reticular structure, and several holes are distributed with thereon, and the porosity of papery base 1 is 10%-
30%;Coating layer 2 is arranged in papery base 1, thereon includes moisture-keeping composition, and moisture-keeping composition includes moisturizer and water, protects
The mass percentage of water is 5-60% in wet composition, and the mass percentage of moisturizer is 10-90% in moisture-keeping composition,
Moisturizer is multicomponent alcoholics compound.
Papery base 1 is reticular structure, the netted laminate structure body more specifically constituted for cellulose fibre.It is understood that
, papery base 1 can be for using dry method, wet crepe or using paper made of hot wind impingement drying forming (TAD) technique
Or the netted laminate structure body that other cellulose fibres are constituted.
In one embodiment, papery base 1 is with wet-formed paper, and further, papery base 1 is with cellulose
Fiber is raw material, with wet-formed slim cotton paper.The papery base 1 can have the single layer base weight of 10-70gsm, certainly
The single-part stationery of bilayer or multilayer be can be by the laminated manufactured papery base 1 with more Gao Houdu, base weight.
It should be understood that the cellulose fibre is usually various paper-making fibres, and such as various plant fibers, common, the plant
Fibres are wood pulp cellulose, alternatively, such as straw pulp fiber, sugarcane pulp fibres or staple fibre, etc..Wood pulp is used in the present invention
Carry out wet process copy paper, which is wood pulp cellulose, which includes chemical pulp, such as kraft pulp, kraft pulp and
Sulfite pulp and mechanical pulp, for example including ground wood pulp, thermomechanical pulp (Thermo Mechnical Pulp) and chemistry
Thermomechanical pulp (Chemical Thermo Mechanical Pulp, CTMP).Alternatively, obtained by leaf wood and needlebush
Wood pulp can also be with.
Under normal conditions, it in wet forming, is set using including slurry processing unit, forming section, drying section and reeling end etc.
It is standby that paper is formed.Wherein, slurry processing unit can be slurry processing mechanism well known in the prior art, such as: starch dispensing machine is beaten
The equipment such as pulp grinder, fiberizer, slurry cylinder, magma for being processed into the paper pulp for meeting paper performance requirement by these equipment.Forming section
It can be builder well known in the prior art, such as: the forming equipment such as screen cloth or cylinder mould, head case, woollen blanket and transport mechanism,
Paper pulp streams to forming screen cloth or cylinder mould through head case, forms l Water Paper page, and the l Water Paper page after forming is transported to drying by woollen blanket
Portion.Drying section includes press apparatus, drying cylinder, drying cylinder gas hood etc., for l Water Paper page to be dried, and forms low-moisture dry paper
Page.In addition, the downstream direction in drying section is additionally provided with other papermaking necessaries, such as reeling end, for by the paper after drying
Page coils into paper roll, is convenient for following process or processing.Certainly, it will be understood by those skilled in the art that paper making equipment can also wrap
Other known structure is included, such as: pressure roller, chemical drug add-on system, cleaning system, white-water system etc..In those skilled in the art
Within the scope of the understanding of member, it will not enumerate herein.
Netted laminate structure is formed after drying, that is, forms papery base 1 used herein, it is preferred that the paper
1 moisture content of matter base is less than or equal to 10%, so that papery base 1, which can absorb, accommodates more moisture, it is furthermore preferred that the paper
Moisture content is 4-8% in matter base 1.
It should be understood that the papery base 1 constitutes netted laminate structure by fiber and fiber, since fiber is straggly with fiber
Arrangement, to form several holes, due to the aperture very little of these holes, so that papery base 1 has biggish capillary
On the one hand effect, these holes form memory space, can be used for storing moisture, on the other hand the hydroxyl as present on fiber,
When so that moisture entering hole, part water can be combined with the hydroxyl on fiber, so that moisture is not easy to dissipate from hole
It loses.It should be understood that the porosity of how much papery bases 1 in other words of these holes can be fine by adjusting in the process of making
The modes such as dimension proportion, dehydration roller pressure, addition filler are adjusted.
In the papery base, 1 surface is provided with coating layer 2, which includes moisture-keeping composition, the moisture-keeping composition packet
Include moisturizer and water, it is possible to understand that, the surface of the papery base 1 includes opposite one of two outer surfaces of papery base 1, or
Two opposite outer surfaces of papery base 1 are arranged in person's coating layer 2.
The study found that when the porosity in papery base 1 in a certain range when, the moisturizer in the moisture-keeping composition exists
It when absorbing moisture from environment, is first absorbed water by the part that surface is contacted with environment, while the capillary of hole is made in papery base 1
Under, the moisture in moisture-keeping composition is permeated into papery base 1, so that the moisturizer in moisture-keeping composition can be from environment
In easier absorption moisture on the other hand since the hole in papery base 1 can accommodate moisture be accommodated at papery base
Moisture a part in layer 1 can be with the hydroxy combining of fiber, so that the moisture that the paper for being coated with moisture-keeping composition is absorbed from environment
The sum of moisture is absorbed from environment much larger than independent base's paper and moisture-keeping composition, furthermore such that the moisturizer for being located at paper facer is inhaled
The moisture of receipts is not easy to scatter and disappear to environment, and the moisture in papery base 1 is also not easy the moisture that scatters and disappears to environment, realizes good
Water lock effect.
In addition, paper capillarity reduces when the porosity in papery base 1 is larger, paper water capacity increases, moisture
Rate of scattering and disappearing increases, and when the porosity in papery base 1 is too small, paper capillarity increases, and paper water capacity reduces, water
Dispersing stall rate reduces.But due to the reduction of water capacity so that the paper wettability retention time is still shorter.
Preferably, which is 10%-30%, such as: 10%, 15%, 20%, 25%, 30%, etc.;Preferably
For 12%-25%, such as: 12%, 16%, 20%, 22%, 25%, etc.;Most preferred porosity is 14%-20%, example
Such as: 14%, 16%, 18%, 20%, etc..
The porosity of above-mentioned papery base 1 can be measured by following methods:
Step 1: providing the stacking of the papery base of certain amount N;
Step 2: measuring the height H of the stacking, papery base length L, width W, the volume V that papery base stacks is calculated1
=H*L*W;
Step 3: applying certain pressure measurement sheet thickness d to single sheet of paper by thickness gauge;
Step 4: number of sheets N in the thickness d according to single sheet of paper under stress, single sheet of paper area S and stacking,
It calculates and stacks volume V2=d*S*N=d*L*W*N;
Step 5: calculating porosity a=[(V1-V2)/V2] * 100%.
In one embodiment, the mass percentage of moisturizer is 10-90% in moisture-keeping composition, such as: 10%,
30%, 60%, 90%, etc.;The mass percentage of further moisturizer is 50-85%, such as: 50%, 60%, 70%,
85%, etc..It is further 60-85%, such as: 60%, 70%, 80%, 85%, etc.;It is further 60%-
70%, such as: 60%, 62%, 64%, 66%, 68%, 70%, etc.;Further, in moisture-keeping composition moisturizer quality
Percentage composition is 69%, and moisturizer can be glycerol.
Under normal conditions, which can be polyalcohol, which includes glycerol, 1,3-PD, 1,2- the third two
In alcohol, 1,3-BDO (Butylene Glyco1), sorbierite (Sorbitol) and polyethylene glycol, polyglycereol or polypropylene glycol
At least one;Preferably, the molecular weight of the polyglycereol is 150-800, such as: 150,200,400,600,800, the poly- second two
The molecular weight of the pure and mild polypropylene glycol is 200-4000, such as: 200,500,1000,2000,3000,4000, etc..Into one
The molecular weight of step, the polyethylene glycol and the polypropylene glycol is 200-1000, such as: 200,400,600,800,1000, etc..Again
Further, the molecular weight of the polyethylene glycol and the polypropylene glycol is 200-600, such as: 200,300,400,500,600, etc..
In one embodiment, moisturizer is the polyethylene glycol that molecular weight is 200-600.Certainly, moisturizer also can be used above-mentioned more
The mixture of first alcohol.Such as: the mixture for the polyethylene glycol that the glycerol and molecular weight that molecular weight is 200-1000 are 200-600.
Preferably, glycerol is to the weight ratio of polyethylene glycol from about 10: 1 to 1: 10.It should be understood that the polyalcohol of low molecular weight has more
Low viscosity, it is therefore preferred that using the polyalcohol of low molecular weight.
Wherein, the water contained in the moisture-keeping composition, on the one hand for adjusting the viscosity of moisture-keeping composition, so that moisturizing
Composition can be added to the surface of papery base, and the water in another aspect moisture-keeping composition is free water, when in moisturizing group
When conjunction object is added to papery substrate surface, water is entered in papery base, adjusts the moisture content in papery base, is convenient for moisturizing
Moisturizer in composition plays hygroscopic effect and moisture-keeping function.
Moisture content is 5-60% in the moisture-keeping composition, such as 5%, 10%, 20%, 30%, 40%, 50%, 60%,
Etc.;Preferably 10-40%, such as 10%, 20%, 25%, 30%, 35%, 40%, etc.;More preferably 10-
30%, such as 15%, 20%, 25%, etc..
In addition, the embodiment of the present invention can using in prior art embossed technology or gas process of surface treatment to papery
Base is handled.And moisture-keeping composition can be added to papery base using the coating in prior art, sprinkling, glue-applying technique
Surface.When the liquid condition of flowing is presented in moisture-keeping composition, it is preferred to use moisture-keeping composition is added to papery by spray processing
Substrate surface.And when emulsification semisolid shape is presented in moisture-keeping composition, it is preferred to use moisture-keeping composition is added to by coating process
Papery substrate surface.And when thick paste or solid-state is presented in moisture-keeping composition, it is preferred to use glue-applying technique is by moisturizing group
It closes object and is added to papery substrate surface.It should be understood that in order to make moisture-keeping composition that the liquid or emulsification semisolid of flowing be presented
200 and can be easily added to papery substrate surface, it is preferred that the viscosity of the moisture-keeping composition is 50-1000CPS, such as: 50,
400,600,800,1000, etc., more preferably 100-300CPS, such as: 100,150,200,250,300, etc..
Preferably, the network of fibers of the cellulose fiber paper is directly contacted with moisture-keeping composition, alternatively, at least partly moisturizing
Composition is directly in conjunction with cellulose fibre, therefore, does not deposit between the moisture-keeping composition and papery base of the paper of the present embodiment
In other spacers, such as glue application layer, packing layer.Certainly, if contain filler in papery base, and apply
Filler itself will not have an impact moisture-keeping composition, between moisture-keeping composition and papery base there are packing layer be also can be with
's.Preferably, papery base does not have other glue application layers or is added with filler.
It should be understood that other function ingredient, such as softening agent, flavouring agent, emulsifier can also be added in coating layer,
When be added with other function ingredient when, the other function ingredient viscosity of moisture-keeping composition would not be had an impact or with guarantor
Water in wet composition generates combination.
In actual application, moisturizing can be added on the single or double surface of papery base according to actual needs
Composition, it is preferred that the first surface and second surface of the papery base are simultaneously added with moisture-keeping composition.
Further, which can also include at least two single layers, which directly passes through pressing, bonding etc.
Mode is combined.Preferably, at least partly fiber mutually tangles between two single layers, so that being arranged in papery substrate surface
The moisturizer of moisture-keeping composition can absorb moisture and moisture and can penetrate into two single interconnections.Preferably, this two
It is combined by the way of embossing between single layer, and generates embossed regions, and the area of embossed regions is greater than or equal to papery base
The 50% of surface area.
Further, the difference between the porosity between at least two single layer is less than or equal to 10%, it is furthermore preferred that should
The difference between porosity rate between two single layers is less than or equal to 5%.
Further, which includes at least two techonospheres, which passes through at least the two of paper machine respectively
Head box-shaped is at a head case is formed close to the techonosphere of the forming net side of paper machine, other end in wherein at least two head case
Case is formed close to the techonosphere of paper machine woollen blanket side.Preferably, which uses identical cellulose fibre, such as wood
Slurry, so that the porosity difference between two techonospheres reduces.Preferably, the porosity difference between two techonospheres is small
In or equal to 10%.
Stressed pressure is applied it should be understood that one can also be applied to quires in some cases and be less than thickness gauge, from
And reduce influence of the gap to porosity between papery base in quires.It can certainly be by way of such as laser measurement, directly
It connects and the thickness of not stressed papery base is measured.
Please refer to the comparative test of following embodiments and comparative example:
The quantity of papery base is 100 in paper sheet stacking in following comparative examples and embodiment, and thickness gauge applies paper
Pressure be 2kg.
Comparative example 1: papery base is A4 paper, is about 0 by above-mentioned technical method A4 paper porosity;
Comparative example 2: papery base A4 paper same as Example 1, and surface is provided with coating layer, there are also protect for the coating layer
Wet composition, content of humectant is 69% in the moisture-keeping composition, water content 25%, and the moisturizer is glycerol, coating
Layer and the mass ratio of papery base are 12%;
Comparative example 3: the paper for daily use (the not set coating layer in surface) with certain porosity;
Comparative example 4: another paper for daily use (the not set coating layer in surface) with certain porosity;
Embodiment 1: papery base is identical as comparative example 3, and coating layer is identical as comparative example 2, and coating layer and papery base
Mass ratio be also 12%.
Embodiment 2: papery base is identical as comparative example 4, and coating layer is identical as comparative example 2, and coating layer and papery base
Mass ratio be also 12%.
Embodiment 3: papery base is identical as comparative example 3, and coating layer has moisture-keeping composition, moisturizer in the moisture-keeping composition
Content is 10%, water content 60%, and the moisturizer is glycerol, and coating layer and the mass ratio of papery base are 12%.
Embodiment 4: papery base is identical as comparative example 4, and coating layer has moisture-keeping composition, moisturizer in the moisture-keeping composition
Content is 50%, water content 30%, and the moisturizer is polyethylene glycol, and coating layer and the mass ratio of papery base are also
12%.
Embodiment 5: papery base is identical as comparative example 4, and coating layer has moisture-keeping composition, moisturizer in the moisture-keeping composition
Content is 90%, water content 5%, and the moisturizer is butanediol, and coating layer and the mass ratio of papery base are also 12%.
Above-described embodiment 1 to embodiment 5 and comparative example 1-4 is placed in same environment (humidity: 75%;Temperature: 25 DEG C),
After placing a period of time, the water content increment situation of paper is tested, wherein the paper for daily use of water absorption=after a period of time
The initial paper for daily use quality of quality-, concrete outcome refer to table 1:
1 test result of table
It is obtained from above-mentioned experiment:
One, coating layer water absorption=comparative example 2- comparative example 1 is specific such as the third line data;
Two, the theoretically water absorption of embodiment 1=comparative example 3+ coating layer water absorption, it is specific such as the 6th row data, theoretically
The water absorption of embodiment 2=comparative example 4+ coating layer water absorption is specific such as the 7th row data.
Three, the practical water absorption of embodiment 1 and embodiment 2 is much larger than theoretically embodiment 1 and the theoretically suction of embodiment 2
Water.
Four, comparative example 1 is moisture loss after 6h to minimum value;Comparative example 2 is in 3 hours or so moisture losses to minimum
Value, comparative example 3 are lost to minimum value in 6h or so, and comparative example 4 is lost to minimum value in 3h or so, and embodiment 1 is to embodiment 5
It can not still judge whether moisture loss to minimum value in 48h.Simultaneously after 48h, embodiment 1 and embodiment 2 its water absorption are still
Much larger than the theoretic embodiment 1 and theoretically water absorption of embodiment 1 so that embodiment 1 and embodiment 2 after 48h still
So there is good wettability effect.
Five, in addition, when porosity is minimum, coating layer cannot act synergistically with papery base, i.e., when porosity is lower,
Water sorption and the water lock effect of the paper for daily use are lower.
In short, the paper for daily use of the application embodiment includes: papery base, the papery base is in reticular structure,
On be distributed with several holes, the porosity of the papery base is 10%-30%;Coating layer is arranged in the papery base,
It is coated with moisture-keeping composition thereon, the moisture-keeping composition includes moisturizer and water, the quality hundred of water in the moisture-keeping composition
Dividing content is 5-60%, and the mass percentage of moisturizer is 10-90% in the moisture-keeping composition, and the moisturizer is polynary
Alcohol compound.By this method, it enables to the paper for daily use that there is strong environment water absorbing capacity and water lock ability, makes
The paper for daily use keeps moisture state for a long time.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of paper for daily use, which is characterized in that the paper for daily use includes:
Papery base, the papery base are in reticular structure, several holes are distributed with thereon, the porosity of the papery base is
10%-30%;
Coating layer, be arranged in the papery base, thereon include moisture-keeping composition, the moisture-keeping composition include moisturizer and
Water, the mass percentage of water is 5-60% in the moisture-keeping composition, the quality percentage of moisturizer in the moisture-keeping composition
Content is 10-90%, and the moisturizer is multicomponent alcoholics compound.
2. paper for daily use according to claim 1, which is characterized in that the papery base is the net that cellulose fibre is constituted
Shape laminate structure body;The content of water is 4-8% in the papery base;The porosity of the papery base is 14%-20%.
3. paper for daily use according to claim 2, which is characterized in that the quality percentage of moisturizer in the moisture-keeping composition
Content is 50-85%.
4. paper for daily use according to claim 3, which is characterized in that the quality percentage of moisturizer in the moisture-keeping composition
Content is 69%, and the moisturizer is glycerol.
5. paper for daily use according to claim 2, which is characterized in that the multicomponent alcoholics compound is glycerol, 1,3- third
At least one of glycol, 1,2-PD, 1,3-BDO, sorbierite, polyethylene glycol, polyglycereol and polypropylene glycol.
6. paper for daily use according to claim 5, which is characterized in that the molecular weight of the polyglycereol is 150-800, described
The molecular weight of polyethylene glycol and the polypropylene glycol is 200-4000.
7. paper for daily use according to claim 5, which is characterized in that the quality percentage of water contains in the humectant composition
Amount is 20-40%.
8. paper for daily use according to claim 7, which is characterized in that the viscosity of the humectant composition is 50-
1000CPS。
9. paper for daily use according to claim 1, which is characterized in that the papery base include at least two single layers, two
It is combined by the way of embossing between a single layer, and forms embossed regions;The area of the embossed regions is greater than or equal to
The 50% of the papery substrate surface area;Hole, the porosity between two single layers are distributed on each single layer
Difference be less than or equal to 10%.
10. paper for daily use according to claim 9, which is characterized in that the single layer includes at least two techonospheres, described
At least two head cases that at least two techonospheres pass through paper machine respectively are formed, and a head case at least two head case is being leaned on
The forming net side of the nearly paper machine forms one of techonosphere, and another head case is formed in the woollen blanket side close to the paper machine
Another techonosphere;Hole is distributed on each techonosphere, the difference of the porosity between two techonospheres is less than
Or it is equal to 10%.
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CN201710870149.9A CN109528052A (en) | 2017-09-22 | 2017-09-22 | Paper for daily use |
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CN201710870149.9A CN109528052A (en) | 2017-09-22 | 2017-09-22 | Paper for daily use |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113491462A (en) * | 2020-03-19 | 2021-10-12 | 王子控股株式会社 | Sanitary tissue paper |
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CN202247534U (en) * | 2011-09-23 | 2012-05-30 | 上海炬钢机械制造有限公司 | Antibacterial water-absorbing packaging paper |
CN104510628A (en) * | 2013-09-27 | 2015-04-15 | 金红叶纸业集团有限公司 | Household paper |
CN108912340A (en) * | 2018-07-20 | 2018-11-30 | 河南中烟工业有限责任公司 | A kind of humectation type cigarette paper and preparation method thereof |
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CN113491462A (en) * | 2020-03-19 | 2021-10-12 | 王子控股株式会社 | Sanitary tissue paper |
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