CN102551578A - Household paper - Google Patents
Household paper Download PDFInfo
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- CN102551578A CN102551578A CN2011104501570A CN201110450157A CN102551578A CN 102551578 A CN102551578 A CN 102551578A CN 2011104501570 A CN2011104501570 A CN 2011104501570A CN 201110450157 A CN201110450157 A CN 201110450157A CN 102551578 A CN102551578 A CN 102551578A
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Abstract
The invention discloses household paper, which comprises a surface layer and a core layer combined with the surface layer, wherein the overall strength of the core layer is higher than that of the surface layer. Compared with the prior art, the household paper on all layers has different strengths; by the household paper obtained in a combined mode, paper which is directly contacted with skin of a consumer is soft due to low strength, and paper which is not directly contacted with the skin of the consumer is difficult to break during use due to high strength; and therefore, the requirements of the consumer on softness and toughness of the household paper can be met simultaneously.
Description
Technical field
The present invention relates to a kind of paper for daily use.
Background technology
Paper for daily use in the market mostly by multilayer through method be combined intos such as layer close, usually the number of plies is a layer 2-4, and is wherein in the majority with products two-layer and three layers again.Result according to the various consumer markets of paper for daily use product are investigated shows that the consumer mainly pays close attention to pliability and two aspects of toughness for the demand of paper for daily use.Pliability is summed up as feel.Toughness is summed up as strength of paper, comprises for example many factors such as pulling force, anti-broken degree, tearing strength.As a common recognition of industry, in the process of manufacturing paper with pulp of paper, the paper that toughness is good more, pliability is just poor more usually, on the contrary, and the paper that pliability is good more, toughness is just poor more usually.
Disclose some in the known technology and produced the method for soft paper for daily use; For example; Application number is to disclose a kind ofly through at soups such as paper surface coating NMF, softening agent, anti-oxidants in 02824082.0 the Chinese patent, makes paper that moist feeling and soft feeling arranged when contacting with human body skin.And for example, application number is in 03809714.1 the Chinese patent, interrupts the combination hydrogen bond between the fiber on the paper surface through the brush grinding roller, and an end of fiber is exposed outside paper, thereby makes more soft paper.For another example, application number is to have announced a kind ofly through adding chemical drugs such as softening agent copying the paper green end in 96198575.5 the Chinese patent, makes the paper of formation have the technology more soft than plain paper.
The above technology that discloses can improve the pliability of individual layer paper, and still, these technology are all in the toughness that has reduced the individual layer paper in varying degrees.Therefore, these technology all can't satisfy the demand of consumer for paper for daily use product pliability and toughness simultaneously.
Summary of the invention
In view of this, be necessary to provide a kind of and can satisfy the paper for daily use of consumer simultaneously for soft degree and tough sexual demand.
A kind of paper for daily use comprises top layer and the sandwich layer that combines with the top layer, and the overall strength of sandwich layer is greater than the overall strength on top layer.
Further; Said sandwich layer comprises first sandwich layer, and said top layer comprises first top layer, and the intensity on strength ratio first top layer of first sandwich layer exceeds more than the 30gf/inch; More preferably; The intensity on strength ratio first top layer of first sandwich layer exceeds more than the 50gf/inch, and most preferably, the intensity on strength ratio first top layer of first sandwich layer exceeds more than the 100gf/inch.
Further, said top layer comprises first top layer and second top layer, and said sandwich layer is arranged between first top layer and second top layer.Preferably; Strength ratio first top layer of this sandwich layer and the overall strength on second top layer exceed more than the 30gf/inch; More preferably; Strength ratio first top layer of sandwich layer and the overall strength on second top layer exceed more than the 50gf/inch, and most preferably, strength ratio first top layer of sandwich layer and the overall strength on second top layer exceed more than the 100gf/inch.
Further, said sandwich layer is at least two, and is arranged between first top layer and second top layer.
Further, strength ratio first top layer of one of them sandwich layer or the intensity on second top layer exceed more than the 30gf/inch, more preferably, exceed more than the 50gf/inch, the most preferably, exceed more than the 100gf/inch.
Compared to prior art, the intensity of each of paper for daily use of the present invention layer paper is different, the paper for daily use that obtains through compound mode; The ply of paper that directly contacts with consumer's skin is owing to have lower intensity; More soft hand feeling can be provided, and the ply of paper intensity that does not directly contact with consumer's skin is higher, guarantees to be difficult in use breaking; Therefore, can satisfy the consumer simultaneously for the soft degree of paper for daily use and the demand of toughness.
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.
Description of drawings
Structural representation when Fig. 1 is two-layer for the paper for daily use of first embodiment of the invention.
Structural representation when Fig. 2 is three layers for the paper for daily use of second embodiment of the invention.
Structural representation when Fig. 3 is four layers for the paper for daily use of third embodiment of the invention.
The main element symbol description
| First |
10 |
| |
101、201、301 |
| |
103、203、303 |
| |
20 |
| Second |
30 |
| |
40 |
The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
The specific embodiment
Please refer to Fig. 1, the paper for daily use of first embodiment of the invention.This paper for daily use is two-layer, comprises first top layer 10 and first sandwich layer 20.First top layer 10 has a first surface 101 and an opposing second surface 103.First sandwich layer 20 has a first surface 201 and an opposing second surface 203.Wherein the first surface 201 of the second surface 103 on first top layer 10 and first sandwich layer 20 is close to and combines.Modes such as first top layer 10 and first sandwich layer 20 can close through layer, embossing is perhaps bonding combine.The intensity of first sandwich layer 20 is higher than the intensity on first top layer 10, and also promptly, this first top layer 10 has pliability preferably compared to first sandwich layer 20.When this two-layer paper for daily use is used paper as roll type, can place the outside of roll web with first top layer 10 as extexine.
Preferably, the intensity on strength ratio first top layer 10 of first sandwich layer 20 exceeds more than the 30gf/inch (gram force/inch).More preferably, the intensity on strength ratio first top layer 10 of first sandwich layer 20 exceeds more than 50gf/inch.Most preferably, the intensity on strength ratio first top layer 10 of first sandwich layer 20 exceeds more than the 100gf/inch.Said intensity is meant the geometric average pulling force (GMT) of ply of paper, and its computing formula is following:
GMT=
Wherein, MDT representes the pulling force size of ply of paper on vertical (machine direction), and unit is gf/inch, and the specified standard method records on the employing GB; CDT representes the pulling force size on the ply of paper horizontal (cross direction), and unit is gf/inch, and the specified standard method records on the employing GB.
Above-mentioned paper for daily use with two-layer ply of paper of varying strength can make through following method.
One, through in first top layer 10 and first sandwich layer 20, using the softening agent of different proportion to realize
Softening agent is one type of chemical drug that can improve the ply of paper pliability, but this type chemical drug has inevitably reduced the intensity of ply of paper usually.When manufacturing paper with pulp the ply of paper on first top layer 10, use than first sandwich layer, 20 more softening agents, make the top layer 10 of winning have better pliability.Whether first sandwich layer 20 will use the size of softening agent and use amount thereof to decide according to the actual requirements, and prerequisite is the height on strength ratio first top layer 10 of final first sandwich layer 20 that forms.Paper for daily use first top layer 10 that possesses this characteristic, the collocation of first sandwich layer, 20 two layers of paper form together can satisfy the consumer simultaneously for the pliability of paper for daily use and the demand of toughness.
Two, through in first top layer 10 and first sandwich layer 20, using the long fibre of different proportion to realize
Long fibre reduces the ply of paper pliability when improving ply of paper intensity, and short fiber reduces the intensity of ply of paper simultaneously in the pliability that improves ply of paper.In ply of paper is manufactured paper with pulp process, utilize long fibre and short fiber characteristic separately, in conjunction with the demand of consumer to paper for daily use pliability and toughness, the short fiber ratio in first top layer 10 is higher relatively, so that better pliability to be provided; Long fibre ratio in first sandwich layer 20 is higher relatively to guarantee certain intensity.Therefore, the two-layer paper for daily use through such collocation forms can satisfy the demand of consumer for pliability and toughness simultaneously.
Three, through when manufacturing paper with pulp different ply of paper, using different cornerites to realize
Paper for daily use peels off the ply of paper that is shaped get off from drying cylinder through creping doctor in the process of manufacturing paper with pulp, and reaches wrinkling effect simultaneously.Through changing the intensity that cornerite can change wadding.Cornerite is meant the angle between the surface of tangent line and wing at dryer surface contact scraper place.Cornerite is big more, and the ply of paper intensity of being manufactured paper with pulp is high more, otherwise cornerite is more little, and the ply of paper intensity of being manufactured paper with pulp is more little, also is the variation that the difference of cornerite can cause ply of paper intensity.When manufacturing paper with pulp first top layer 10, use the cornerite lower than first sandwich layer 20, make more softness of first top layer, 10 to the first sandwich layers 20.On the contrary, when manufacturing paper with pulp first sandwich layer 20, use the cornerite bigger, make the intensity of first sandwich layer 20 higher than first top layer 10.Therefore, the paper for daily use that the two layers of paper through such collocation forms can satisfy the demand of consumer for pliability and toughness simultaneously.
Four, through when manufacturing paper with pulp different ply of paper, using different defibrination power to realize
As everyone knows, defibrination power is big more, and the ply of paper intensity that the gained slurry manufactures paper with pulp out is also big more.When manufacturing paper with pulp first sandwich layer 20, use than manufacture paper with pulp the higher defibrination power in first top layer 10, thereby make the intensity height on strength ratio first top layer 10 of first sandwich layer 20.Therefore, the paper for daily use that the two layers of paper through such collocation forms can satisfy the demand of consumer for pliability and toughness simultaneously.
Five, through when manufacturing paper with pulp different ply of paper, using different chemical drug additions to realize
In the process that ply of paper is manufactured paper with pulp, use some chemical drug such as drying strengthening agent, wet strength agent, certain type of biology enzyme etc. can improve the intensity of ply of paper.When manufacturing paper with pulp first sandwich layer 20, according to the actual requirements, can use the chemical drug that improves ply of paper intensity that has, thereby make first sandwich layer 20 that higher intensity arranged than first top layer, 10 higher consumptions.Therefore, the paper for daily use that the two layers of paper through such collocation forms can satisfy the demand of consumer for pliability and toughness simultaneously.
Below only enumerate out to example several kinds of feasible implementation methods, other factors are perhaps changed in combination that can be suitable according to working condition in the actual production, to obtain having the paper for daily use of above-mentioned characteristic.
Please refer to Fig. 2, the paper for daily use of second embodiment of the invention is three layers.This paper for daily use comprises first top layer 10, first sandwich layer 20 and second top layer 30.First sandwich layer 20 is between first top layer 10 and second top layer 30.Second top layer 30 also has a first surface 301 and a relative second surface 303.Wherein the first surface 201 of first sandwich layer 20 is close to the second surface 103 on first top layer 10 and combines, and the first surface 301 on second top layer 30 is close to the second surface of first sandwich layer 20 203 and combines.First top layer 10, first sandwich layer 20 and second top layer 30 can be closed through layer, embossing or mode such as bonding combine.
The overall strength on first, second top layer 10,30 of the strength ratio of first sandwich layer 20 is big.The intensity on first, second top layer 10,30 can be the same or different.Preferably, strength ratio first top layer 10 of first sandwich layer 20 and the overall strength on second top layer 30 exceed more than the 30gf/inch.More preferably, strength ratio first top layer 10 of first sandwich layer 20 and the overall strength on second top layer 30 exceed more than 50gf/inch.Most preferably, strength ratio first top layer 10 of first sandwich layer 20 and the overall strength on second top layer 30 exceed more than the 100gf/inch.
Different with the structure of existing multilayer paper for daily use product; Strength ratio first top layer 10 of its first sandwich layer 20 of paper for daily use of the present invention, the height on second top layer 30; The overlay paper that directly contacts with consumer's skin thus has better pliability, and simultaneously, sandwich layer paper is because of having the toughness that higher intensity can guarantee entire product; Be difficult for during use breaking, so just satisfied the consumer for the soft degree of paper for daily use and the demand of toughness simultaneously.
Please refer to Fig. 3, the paper for daily use of third embodiment of the invention is four layers.Be that with difference in the foregoing description this paper for daily use has first sandwich layer 20 and second sandwich layer, 40 two-layer sandwich layer paper between first top layer 10 and second top layer 30.The intensity on first, second top layer 10,30 can be the same or different.The overall strength of first sandwich layer 20 and second sandwich layer 40 is bigger than the overall strength on first top layer 10 and second top layer 30.
In certain embodiments, preferably, the overall strength of first sandwich layer 20 and second sandwich layer 40 exceeds more than the 30gf/inch than the overall strength on first, second top layer 10,30.More preferably, the overall strength of first and second sandwich layer 20,40 exceeds more than 50gf/inch than the overall strength on first, second top layer 10,30.Most preferably, the overall strength of first and second sandwich layer 20,40 exceeds more than the 100gf/inch than the overall strength on first, second top layer 10,30.
Preferably, strength ratio first top layer 10 of one of them sandwich layer or the intensity on second top layer 30 exceed 30gf/inch, and is comparatively preferred, exceeds 50gf/inch, more preferred, exceeds 100gf/inch.
Satisfy at the same time under following two conditions:
One, the overall strength of first sandwich layer 20 and second sandwich layer 40 is bigger than the overall strength on first, second top layer 10,30;
Two, the intensity of one of them sandwich layer is greater than the intensity on first top layer 10 or second top layer 30;
According to the demand of reality, the intensity of another sandwich layer can not done requirement, for example can be with first top layer 10 or second top layer 10,30 identical, perhaps low, or higher than surface strength than surface strength.
Manufacturing approach among the paper for daily use of second and third embodiment of the present invention first embodiment capable of using respectively is different with the intensity that realizes each layer paper, again with each layer paper through layer close, embossing or bonding mode combine, just repeat no more at this.
Be appreciated that paper for daily use of the present invention also can be provided with on first, second top layer 10, between 30 more than two-layer sandwich layer paper; Wherein the overall strength of these sandwich layers has the paper for daily use that pliability has certain toughness again simultaneously greater than the overall strength on first top layer 10 and second top layer 30 to provide.
In certain embodiments, preferably, the overall strength of these sandwich layer paper exceeds more than the 30gf/inch than the overall strength on first, second top layer 10,30.More preferably, the overall strength of these sandwich layer paper exceeds more than 50gf/inch than the overall strength on first, second top layer 10,30.Most preferably, the overall strength of these sandwich layer paper exceeds more than the 100gf/inch than the overall strength on first, second top layer 10,30.
Be appreciated that ground, the intensity of above-mentioned each sandwich layer paper differs and establishes a capital the intensity height than overlay paper.Preferably, the intensity of an overlay paper of strength ratio of one of them sandwich layer paper exceeds 30gf/inch, and is comparatively preferred, exceeds 50gf/inch, more preferred, exceeds 100gf/inch.
Satisfy at the same time under following two conditions:
One, the overall strength of each sandwich layer is bigger than the overall strength on first, second top layer 10,30;
Two, the intensity of one of them sandwich layer is greater than the intensity on first top layer 10 or second top layer 30;
According to the demand of reality, the intensity of other sandwich layers can not done requirement, for example can be with first top layer 10 or second top layer 30 identical, perhaps low, or higher than surface strength than surface strength.
Claims (12)
1. a paper for daily use comprises top layer and the sandwich layer that combines with the top layer, and it is characterized in that: the overall strength of sandwich layer is greater than the overall strength on top layer.
2. paper for daily use as claimed in claim 1 is characterized in that: said sandwich layer comprises first sandwich layer, and said top layer comprises first top layer, and the intensity on strength ratio first top layer of first sandwich layer exceeds more than the 30gf/inch.
3. paper for daily use as claimed in claim 2 is characterized in that: the intensity on strength ratio first top layer of first sandwich layer exceeds more than the 50gf/inch.
4. paper for daily use as claimed in claim 3 is characterized in that: the intensity on strength ratio first top layer of first sandwich layer exceeds more than the 100gf/inch.
5. paper for daily use as claimed in claim 1 is characterized in that: said top layer comprises first top layer and second top layer, and said sandwich layer is arranged between first top layer and second top layer.
6. paper for daily use as claimed in claim 5 is characterized in that: strength ratio first top layer of said sandwich layer and the overall strength on second top layer exceed more than the 30gf/inch.
7. paper for daily use as claimed in claim 6 is characterized in that: strength ratio first top layer of said sandwich layer and the overall strength on second top layer exceed more than the 50gf/inch.
8. paper for daily use as claimed in claim 7 is characterized in that: strength ratio first top layer of said sandwich layer and the overall strength on second top layer exceed more than the 100gf/inch.
9. paper for daily use as claimed in claim 5 is characterized in that: said sandwich layer is at least two, and is arranged between first top layer and second top layer.
10. paper for daily use as claimed in claim 9 is characterized in that: strength ratio first top layer of one of them sandwich layer or the intensity on second top layer exceed more than the 30gf/inch.
11. paper for daily use as claimed in claim 10 is characterized in that: strength ratio first top layer of said one of them sandwich layer or the intensity on second top layer exceed more than the 50gf/inch.
12. paper for daily use as claimed in claim 11 is characterized in that: strength ratio first top layer of said one of them sandwich layer and the intensity on second top layer exceed more than the 100gf/inch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110450157.0A CN102551578B (en) | 2011-12-29 | 2011-12-29 | household paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110450157.0A CN102551578B (en) | 2011-12-29 | 2011-12-29 | household paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102551578A true CN102551578A (en) | 2012-07-11 |
| CN102551578B CN102551578B (en) | 2014-10-08 |
Family
ID=46399191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110450157.0A Active CN102551578B (en) | 2011-12-29 | 2011-12-29 | household paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102551578B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835841A (en) * | 2016-12-30 | 2017-06-13 | 赣州华劲纸业有限公司 | A kind of manufacture method of fuzzy hand paper for daily use |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4513051A (en) * | 1984-01-05 | 1985-04-23 | The Procter & Gamble Company | Tissue paper product |
| CN2104619U (en) * | 1991-08-12 | 1992-05-20 | 廖华 | Toilet paper |
| CN2590734Y (en) * | 2002-10-30 | 2003-12-10 | 高雨薇 | Three-layer composite plastic paper |
-
2011
- 2011-12-29 CN CN201110450157.0A patent/CN102551578B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4513051A (en) * | 1984-01-05 | 1985-04-23 | The Procter & Gamble Company | Tissue paper product |
| CN2104619U (en) * | 1991-08-12 | 1992-05-20 | 廖华 | Toilet paper |
| CN2590734Y (en) * | 2002-10-30 | 2003-12-10 | 高雨薇 | Three-layer composite plastic paper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835841A (en) * | 2016-12-30 | 2017-06-13 | 赣州华劲纸业有限公司 | A kind of manufacture method of fuzzy hand paper for daily use |
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| Publication number | Publication date |
|---|---|
| CN102551578B (en) | 2014-10-08 |
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Effective date of registration: 20201223 Address after: Area D12, Yangpu Economic Development Zone, Danzhou City, Hainan Province Patentee after: Hainan jinhongye Paper Co.,Ltd. Patentee after: GOLD HONG YE PAPER Co.,Ltd. Address before: 2151 Shengjin Industrial Park, Suzhou, Jiangsu Province Patentee before: GOLD HONG YE PAPER Co.,Ltd. |