CN103255678B - Paper technology and the paper obtained by it - Google Patents
Paper technology and the paper obtained by it Download PDFInfo
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- CN103255678B CN103255678B CN201310174076.1A CN201310174076A CN103255678B CN 103255678 B CN103255678 B CN 103255678B CN 201310174076 A CN201310174076 A CN 201310174076A CN 103255678 B CN103255678 B CN 103255678B
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Abstract
A kind of paper technology, it comprises the steps: first linking agent, starch and water mixing to be obtained mixed solution, then in mixed solution, filler particles is added, wherein the over dry of linking agent and starch is than between 0.1:100 and 60:100, the over dry of starch and filler is than between 1:2 and 1:200, this mixed solution of intensification boiling makes starch pasting, is cross-linked, obtained complex systems, containing filler particles, cross-linking starch and water in this complex systems, wherein more than the 70% of filler particles outside surface it is coated with cross-linking starch; Slurry is provided, complex systems is joined in slurry and mix; Using above-mentioned slurry to carry out obtained paper of manufacturing paper with pulp, filler particles simple in this paper accounts for the 1%-70% of paper over dry quality. The paper that the present invention also provides the above-mentioned paper technology of application obtained. Paper technology of the present invention can effectively reduce the loss of strength after paper embossing.
Description
Technical field
The paper that the present invention relates to a kind of paper technology and obtain by this technique.
Background technology
Tissue paper is carried out embossing process and is possible not only to the aesthetic property increasing tissue paper, it is also possible to make tissue paper have better wiping force. But, after tissue paper carries out embossing, the intensity (especially dry strength) of paper can reduce, reason is: the dry strength of paper provides primarily of the hydrogen bond formed between fiber and fiber, in the process that tissue paper is manufactured paper with pulp, usually be added with Dry Strength Resin (such as cationic starch), these Dry Strength Resins also can with processbearing astrocyte hydrogen bond, thus provide a part dry strength. The process of embossing normally makes paper pass in the middle of a grain roller group, and in this process, the extruding that paper is subject to grain roller group is suppressed to form ups and downs state from a smooth paper page. Through embossing, shape and the position relation of the recessed fiber with boss of paper change, and these two change the hydrogen bond rupture all likely making to have been formed between fiber and fiber, thus make the decrease in intensity of paper.
In order to ensure the security (demand intensity) when paper uses, the loss of strength of paper in embossing process will be reduced as far as possible, common way is the green strength by improving paper in the industry, as increased the consumption etc. of macrofiber, suitably improve or ensure the paper strength after embossing, but these ways all more or less add cost undoubtedly.
Summary of the invention
, it is necessary to provide the preparation technology of a kind of paper, in view of this this paper can effectively reduce the loss of strength after embossing.
In addition, there is a need to provide a kind of paper applied above-mentioned preparation technology and obtain.
A kind of paper technology, it comprises the steps:
First by linking agent, starch and water mixing obtain mixed solution, then in mixed solution, filler particles is added, wherein the over dry of linking agent and starch is than between 0.1:100 and 60:100, the over dry of starch and filler is than between 1:2 and 1:200, this mixed solution of intensification boiling makes starch pasting, crosslinked, obtained cross-linking starch-filler compound system, containing filler particles in the complex systems of this cross-linking starch-filler, cross-linking starch and water, wherein cross-linking starch is coated on the outside surface of filler particles, and more than the 70% of filler particles outside surface be coated with cross-linking starch,
Slurry is provided, the complex systems of cross-linking starch-filler is directly joined in slurry at the wet end of paper making and mixes;
Using the slurry of the above-mentioned complex systems being added with cross-linking starch-filler to carry out obtained paper of manufacturing paper with pulp, filler particles simple in this paper accounts for the 1%-70% of paper over dry quality.
Applying the paper that above-mentioned paper technology is obtained, be evenly distributed with filler particles in this paper, more than the 70% of this filler particles outside surface is coated with cross-linking starch, and in this paper, the over dry quality of filler particles accounts for the 1%��70% of paper over dry quality.
The paper technology of the present invention utilizes Surface coating to have the filler particles of cross-linking starch to substitute part fiber, so fiber consumption reduces relatively, therefore the degree that hydrogen bonded between fiber and fiber is destroyed can reduce relatively, and the fiber number of embossed conquassation also can relatively become few. In addition, this filler particles exists with the form of cross-linking starch-filler compound system, together with the oh group on starch can be combined in the form of hydrogen bond with the oh group in fiber, so that filler particles can stick on fiber firmly. The existence of filler particles, combination between fiber and fiber is served the effect of obstruct, therefore hydrogen bonded between fiber will be affected, but, it is exist with the form of cross-linking starch-filler due to filler particles, multiple hydroxyl on cross-linking starch can form hydrogen bond with the multiple hydroxyls on contiguous multiple fibers simultaneously, is provided part dry strength. And the particle diameter of filler particles that Surface coating has cross-linking starch is less, the effect of external force (external force such as embossing process) is difficult to directly make filler particles and fiber separation, and one filler particles usually simultaneously and the multiple hydroxyl of multiple processbearing astrocyte, even if therefore there being part of hydroxyl to be destroyed, still having other hydroxyls to remain, the hydrogen bond energy therefore formed between cross-linking starch and fiber retains preferably. Secondly, have plenty of between two adjacent fibers and it is connected by multiple filler particles superposition, compared to the situation directly forming hydrogen bond between fiber and fiber, distance between adjacent two fibers of paper of the present invention is bigger, such paper more can bear the distortion owing to height drop causes in embossing process, greatly reducing the destruction to hydrogen bond, therefore paper technology of the present invention can effectively reduce the loss of strength after paper embossing.
Embodiment
The paper technology of the present invention, it comprises the steps:
(1) complex systems of cross-linking starch-filler is prepared.
(1.1) by linking agent, starch and the obtained linking agent-starch mixed solution of appropriate water mixing, the over dry of its linking agent and starch is than between 0.1:100 and 60:100, it is preferable that between 2:100 and 60:100.Linking agent can be first preferably dissolved in appropriate water by this step, and wherein the mass ratio of linking agent and water is between 0.05:100 and 235:100, obtains cross-linking agent aqueous solution, then adds starch in described cross-linking agent aqueous solution, obtains cross-linking starch mixed solution.
This starch be selected from cationic starch, anionic starch, amphoteric starch and non-ionic starch one or more.
This linking agent be selected from Trisodium trimetaphosphate, Sodium hexametaphosphate 99, hexa metaphosphoric acid potassium, phosphorus oxychloride, formaldehyde, acetaldehyde, oxalic dialdehyde, one or more in glutaraldehyde, epoxy chloropropane, epoxy bromopropane, ring oxygen iodopropane, Epicholorohydrin, polyacrylamide formaldehyde resin, terpolycyantoamino-formaldehyde resin, potassium zirconium carbonate, zirconium carbonate ammonium and isocyanate.
(1.2) adding filler particles in linking agent-starch mixed solution, wherein the over dry of starch and filler is than between 1:2 and 1:200, it is preferable that between 1:2 and 1:100.
Preferably, keeping cross-linking starch mixed solution to be in the state of stirring when adding filler particles, stirring velocity is more than or equal to 2000rpm, and after so can guaranteeing to add filler particles, whole system is uniform.
This filler be selected from talcum powder, kaolin, grinding calcium carbonate, precipitated chalk, Juanyingshi, mineral fibre and titanium dioxide one or more.
(1.3) continuing to stir, mixture system described in intensification boiling makes starch pasting, is cross-linked, and forms cross-linking starch-filler compound system with filler particles.
Preferably, boiling mixture system temperature is 50-100 DEG C, makes described mixture system carry out cooking reaction 4-6 hour at this temperature, it is ensured that the abundant gelatinization of starch wherein, crosslinked, forms cross-linking starch-filler compound system with filler particles.
Containing filler particles, cross-linking starch and water in the complex systems of this cross-linking starch-filler, wherein cross-linking starch is coated on the outside surface of filler particles, and more than the 70% of filler particles outside surface is coated with cross-linking starch.
In this complex systems, Surface coating has the size of the filler particles of cross-linking starch to be 0.5-100 ��m.
(2) complex systems of a certain amount of cross-linking starch-filler is directly joined in paste system at the wet end of paper making and mix. The interpolation point of complex systems can be broken slurry groove, groove, pressure sieve ingress, head box etc. before incline slurry groove, machine. The kind of this slurry can be selected from mechanical pulp, chemical pulp, chemimechanical pulp, pure wood pulp, non-wood pulp, reclaim slurry in one or more mixing, and slurry can be through mill slurry process, it is also possible to do not carry out mill slurry process.
(3) slurry of the above-mentioned complex systems being added with cross-linking starch-filler is used to carry out obtained paper of manufacturing paper with pulp. Filler particles simple in this paper accounts for the 1%-70% of paper over dry quality.
The paper obtained by aforesaid method, is evenly distributed with filler particles in this paper, and more than the 70% of filler particles outside surface is coated with cross-linking starch. The cross-linking starch of filler particles outside surface is to combine in conjunction with the form of key and paper fibre (hydroxyl on cross-linking starch can combine with the hydroxyl of fiber etc. and form hydrogen bond), thus is attached to closely on paper fibre by filler particles. Filler particles pure in this paper accounts for the 1%-70% of paper over dry quality. Surface coating has the size of the filler particles of cross-linking starch to be 0.5 ��m-100 ��m.
Filler particles in this paper distributes relatively even on three-dimensional, concrete reason is: composite body is liquid and has certain viscosity, and this viscosity can effectively assist filler particles to stick to preferably on the three-dimensional of fiber in the process of manufacturing paper with pulp; Hydroxyl generation hydrogen bonded on cross-linking starch and fiber, in the process of follow-up dehydration, squeezing and drying, filler particles because of the impact of other factors such as gravity, filler particles will be distributed on three-dimensional especially Z-direction uneven, so that it is guaranteed that can be uniformly distributed on the three-dimensional of paper.
In paper embossing process, paper is recessed and the fiber of boss owing to there is height drop, fiber is opened certain distance, and the hydrogen bond formed between fiber and fiber has part destroyed, and having the part fiber can by conquassation, this will make the decrease in strength of paper.
And the paper technology of the present invention can effectively reduce the loss of strength after embossing, concrete reason is analyzed as follows: (A) utilizes Surface coating to have the filler particles of cross-linking starch to substitute part fiber, so fiber consumption reduces relatively, therefore the degree that hydrogen bonded between fiber and fiber is destroyed can reduce relatively, and also can relatively be become few by the fiber number of conquassation. (B) in addition, Surface coating has the particle diameter of the filler particles of cross-linking starch less, the effect of external force (external force such as embossing process) is difficult to directly make filler particles and fiber separation, and one filler particles usually simultaneously and the multiple hydroxyl of multiple processbearing astrocyte, even if therefore there being part of hydroxyl to be destroyed, still having other hydroxyls to remain, the hydrogen bond energy therefore formed between cross-linking starch and fiber retains preferably. (C) secondly, have plenty of between two adjacent fibers and it is connected by multiple filler particles superposition, compared to the situation directly forming hydrogen bond between fiber and fiber, distance between adjacent two fibers of paper of the present invention is bigger, such paper more can bear the distortion owing to height drop causes in embossing process, greatly reduce the destruction to hydrogen bond, therefore can better retain the dry strength of paper after embossing.
In the process of test paper strength, paper can in the most weak local fracture, in the moment of fracture, the maximum power that measuring head traction paper reaches is the intensity of this paper, if filler distribution is uneven in paper, in the process of embossing, there is no filler distribution or the less region of filler distribution, its loss of tension can be big especially, and after testing embossing during the intensity of paper, paper can rupture easily in this part region. And filler distribution in the paper of the present invention is even, therefore can better retain paper strength, also be beneficial to the loss of strength reducing embossing.
Below by embodiment, the present invention is specifically described.
Embodiment
First linking agent Trisodium trimetaphosphate is dissolved in a certain amount of water, it is mixed with the cross-linking agent aqueous solution that concentration is 5%, with this aqueous solution, cationic starch is made into the solution system of the room temperature of 2% again, the over dry ratio of Trisodium trimetaphosphate and cationic starch is 1:10, under the rotating speed of 2000rpm, this starch solution of vigorous stirring stirs and makes it even, add calcium carbonate granule wherein simultaneously, calcium carbonate is 10:1 with the over dry ratio of cationic starch, after calcium carbonate powders adds completely and evenly disperses, continue to maintain this stirring velocity, simultaneously, its temperature is made to be 70 DEG C the heating of this system, react after 4 hours, linking agent and cationic starch are occurred crosslinked, gelatinization, wherein, the mechanism of crosslinking reaction is alcohol hydroxyl and the Trisodium trimetaphosphate formation diester linkage of starch, make to build bridge together between starch molecule, form cross-linking starch, owing to system being mixed with calcium carbonate powders uniformly, cross-linking starch also covers the surface of calcium carbonate granule in the process formed simultaneously, finally form cross-linking starch-compound of calcium carbonate system, before this mixture is directly added machine, groove mixes with slurry, with slurry through online, dehydration, squeezing, dry, the technique such as batch, finally form paper.
Comparative example
Slurry (not adding mixture) identical in embodiment is adopted identical method (squeezing, dry, the technique such as batches for online, dehydration) obtained paper.
Paper obtained to embodiment and comparative example is carried out the test of the longitudinal pulling force before embossing and lateral pull, then the longitudinal pulling force after embossing and lateral pull is tested after using identical grain roller and embossing condition that two kinds of paper carry out embossing respectively more respectively, test result is as shown in the table, wherein paper strength �� 100% before embossing loss of strength rate=(before embossing paper strength after paper strength-embossing)/embossing.
Note: due to the restriction of the process of manufacturing paper with pulp, uncontrollable embodiment is completely identical with lateral pull with the longitudinal pulling force of the paper of comparative example, but the variation in tension of the two kinds of paper provided is very little, can be considered to do not have notable difference.
From test result: the embossing rate of loss of embodiment paper is significantly less than the embossing rate of loss of comparative example paper, illustrate that embodiment paper remains the dry strength of paper better in embossing process.
In addition, those skilled in the art also can make the various amendments in other form and details, interpolation and replacement in the claims in the present invention scope of disclosure and spirit. Certainly, the changes such as these various amendments, interpolation and replacements of making according to the present invention's spirit, all should be included within the claimed scope of the present invention.
Claims (12)
1. a paper technology, it comprises the steps:
First by linking agent, starch and water mixing obtain mixed solution, then in mixed solution, filler particles is added, mixed solution is kept to be in the state of stirring when interpolation filler particles is in mixed solution, and stirring velocity is more than or equal to 2000rpm, wherein the over dry of linking agent and starch is than between 0.1:100 and 60:100, the over dry of starch and filler is than between 1:2 and 1:200, continue to stir, this mixed solution of boiling makes starch pasting, crosslinked, obtained cross-linking starch-filler compound system, containing filler particles in the complex systems of this cross-linking starch-filler, cross-linking starch and water, wherein cross-linking starch is coated on the outside surface of filler particles, and more than the 70% of filler particles outside surface be coated with cross-linking starch,
Slurry is provided, the complex systems of cross-linking starch-filler is directly joined in slurry at the wet end of paper making and mixes;
Using the slurry of the above-mentioned complex systems being added with cross-linking starch-filler to carry out obtained paper of manufacturing paper with pulp, filler particles simple in this paper accounts for the 1%-70% of paper over dry quality.
2. paper technology as claimed in claim 1, it is characterised in that: the over dry of this linking agent and starch is than between 2:100 and 60:100.
3. paper technology as claimed in claim 1, it is characterised in that: the over dry of this starch and filler is than between 1:2 and 1:100.
4. paper technology as claimed in claim 1, it is characterised in that: this starch be selected from cationic starch, anionic starch, amphoteric starch and non-ionic starch one or more.
5. paper technology as claimed in claim 1, it is characterised in that: this linking agent be selected from Trisodium trimetaphosphate, Sodium hexametaphosphate 99, hexa metaphosphoric acid potassium, phosphorus oxychloride, formaldehyde, acetaldehyde, oxalic dialdehyde, one or more in glutaraldehyde, epoxy chloropropane, epoxy bromopropane, ring oxygen iodopropane, Epicholorohydrin, polyacrylamide formaldehyde resin, terpolycyantoamino-formaldehyde resin, potassium zirconium carbonate, zirconium carbonate ammonium and isocyanate.
6. paper technology as claimed in claim 1, it is characterised in that: this filler be selected from talcum powder, kaolin, grinding calcium carbonate, precipitated chalk, Juanyingshi, mineral fibre and titanium dioxide one or more.
7. paper technology as claimed in claim 1, it is characterized in that: the step obtaining mixed solution is dissolved in the water by linking agent, wherein the mass ratio of linking agent and water is between 0.05:100 and 235:100, obtain cross-linking agent aqueous solution, then in described cross-linking agent aqueous solution, add starch obtain mixed solution.
8. paper technology as claimed in claim 1, it is characterised in that: Surface coating has the size of the filler particles of cross-linking starch to be 0.5-100 ��m.
9. paper technology as claimed in claim 1, it is characterised in that: the temperature of this mixed solution of boiling is 50-100 DEG C.
10. paper technology as claimed in claim 1, it is characterised in that: the interpolation point of the complex systems of this cross-linking starch-filler is broken slurry groove, groove, pressure sieve ingress or head box before incline slurry groove, machine.
11. paper technologies as claimed in claim 1, it is characterised in that: one or more the mixing that this slurry is selected from mechanical pulp, chemical pulp, chemimechanical pulp, pure wood pulp, non-wood pulp, recovery slurry.
12. 1 kinds of application rights require the paper that in 1-11, paper technology described in any one is obtained, this paper is evenly distributed with filler particles, more than the 70% of this filler particles outside surface is coated with cross-linking starch, and in this paper, the over dry quality of filler particles accounts for the 1%��70% of paper over dry quality.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310174076.1A CN103255678B (en) | 2013-05-13 | 2013-05-13 | Paper technology and the paper obtained by it |
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| CN201310174076.1A CN103255678B (en) | 2013-05-13 | 2013-05-13 | Paper technology and the paper obtained by it |
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| CN103255678A CN103255678A (en) | 2013-08-21 |
| CN103255678B true CN103255678B (en) | 2016-06-08 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862497A (en) * | 2016-04-01 | 2016-08-17 | 苏州市鼎立包装有限公司 | Preparation method of highly air-permeable kraft paper |
| CN106012661A (en) * | 2016-05-20 | 2016-10-12 | 苏州倍力特物流设备有限公司 | Reinforced composite paperboard and preparation method thereof |
| CN107012727B (en) * | 2017-03-30 | 2019-05-24 | 天长市天达纸箱纸品厂 | A kind of preparation method of papermaking special calcium carbonate filler |
| CN109056418A (en) * | 2018-09-07 | 2018-12-21 | 宿州学院 | A kind of preparation method of manila paper |
| EP3947814A1 (en) * | 2019-04-02 | 2022-02-09 | Kemira OYJ | Paper strength improvement using metal chelates and synthetic cationic polymers |
| CN110003686A (en) * | 2019-05-06 | 2019-07-12 | 长沙理工大学 | The preparation method and application of paper grade (stock) heavy calcium carbonate filling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255666A (en) * | 2008-03-18 | 2008-09-03 | 陕西科技大学 | Method for manufacturing corpuscle filling material-starch complexes papermaking filling material |
| CN101570947A (en) * | 2009-05-25 | 2009-11-04 | 金东纸业（江苏）股份有限公司 | Method for applying starch modified stuffing in paper making |
-
2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255666A (en) * | 2008-03-18 | 2008-09-03 | 陕西科技大学 | Method for manufacturing corpuscle filling material-starch complexes papermaking filling material |
| CN101570947A (en) * | 2009-05-25 | 2009-11-04 | 金东纸业（江苏）股份有限公司 | Method for applying starch modified stuffing in paper making |
Non-Patent Citations (2)
| Title |
|---|
| 淀粉包覆PCC在造纸中的制备与应用研究;韩晨;《南京林业大学硕士学位论文》;20100215;第13、16、22、25、28、31页 * |
| 造纸填料的包覆改性——提高加填纸张的强度性能;刘温霞等;《中华纸业》;20101223;第31卷(第24期);第6-11页 * |
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