CN104452442A - Method for improving smoothness and surface strength of paper - Google Patents
Method for improving smoothness and surface strength of paper Download PDFInfo
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- CN104452442A CN104452442A CN201410614729.8A CN201410614729A CN104452442A CN 104452442 A CN104452442 A CN 104452442A CN 201410614729 A CN201410614729 A CN 201410614729A CN 104452442 A CN104452442 A CN 104452442A
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Abstract
The invention discloses a method for improving the smoothness and the surface strength of paper, belonging to the field of paper-making coating. According to the method, kaolin, nanometer calcium carbonate and nanometer titanium dioxide are selected as the pigments and the mass concentration ratio of the three pigments is 96:2:2; the method comprises the following steps: weighing the pigments according to a formula, adding a disperser and a defoaming agent, and dispersing in a high-speed dispersion machine for 20 minutes and then mixing uniformly with other components, wherein the pH value of all the formulas is adjusted to 8.5; and coating according to the coating amount of 12g/m<2>, preserving the coated paper in a constant temperature environment for 24 hours, measuring the smoothness of the paper according to GB/T456-89, measuring the surface strength of the paper according to GB/T3331-82, and finally obtaining an optimal formula capable of improving the smoothness and the surface strength of paper based on experiments. Compared with the prior art, many property parameters of coating are introduced in the method, so that the quantitative description on the smoothness and the surface strength of paper under a low shear rate is perfect, and the influence of all the components on the smoothness and the surface strength of paper can be clearly identified.
Description
Technical field
The present invention relates to papermaking coating field, specifically a kind of method improving paper smoothness and surface strength.
Background technology
Along with the scalability of China's economic structure develops, the quality of commodity packaging to coated manila is had higher requirement, and can become the critical problem being badly in need of solving with the minimum cost acquisition market share large as far as possible and economic benefit.Therefore, when preparing scraper for coating coating, the principle of " high dense low glutinous " must be followed.Various auxiliary agents in coating improve the physical property of paper, and as surface strength can affect paper fussed, fall hair etc., smoothness directly can affect printing color and the definition of coated paper, and therefore the quality of Paper Coating directly determines the quality finally becoming paper.
Prior art can not accurately instruct coating machine formulation for coating material.
Summary of the invention
In order to solve the problem of prior art, the object of the present invention is to provide a kind of method improving paper smoothness and surface strength.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of paper making additive improves the method for paper smoothness and intensity, the method draws a kind of best coatings formula improving paper smoothness and surface strength by the consumption change of solid content and water retention agent hydroxyethylcellulose, biological latex, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents and nano particle, and described method operating procedure is as follows:
(1) solid content: kaolin chosen by coating, nano-calcium carbonate and nano titanium oxide are as pigment, kaolin, the mass concentration ratio of nano-calcium carbonate and nano titanium oxide is 96:2:2, kaolin, the mass concentration of nano-calcium carbonate and nano titanium oxide is 40% ~ 60% of over dry pigment mass concentration respectively, water retention agent hydroxyethylcellulose consumption is 0.2% ~ 1.0% of over dry pigment mass concentration, biological dosage of latex is 10% ~ 18% of over dry pigment mass concentration, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents consumption be 0.2% ~ 1.0% of over dry pigment mass concentration and the consumption of nano particle be 0% ~ 20% of over dry pigment mass concentration.
(2) fill a prescription in pigment according to step (1), add dispersant, defoamer, disperse 20min in high speed dispersor after, then mix with other components, in all formulas, pH value is adjusted to 8.5.
(3) by 12g/m
2coating weight carry out Paper Coating, coating after paper in isoperibol, deposit 24h, according to GB/T456-89 measure paper smoothness, according to GB/T3331-82 measure surface strength of paper.
Measurement result:
The excursion of paper smoothness is 4.32S-4.48S, and the excursion of surface strength of paper is 1.06m/s-1.14m/s.
Above-mentioned steps (1) solid content kaolin, nano-calcium carbonate and nano titanium oxide mass concentration are 55%, water retention agent hydroxyethylcellulose consumption is over dry pigment mass concentration 0.8%, biological dosage of latex be over dry pigment mass concentration 18%, dispersant dosage be over dry pigment mass concentration 1.0%, nano particle consumption is when being 4% of over dry pigment mass concentration, there is optimum value in smoothness and the surface strength of paper, is respectively 4.48S and 1.14m/s.
Compared with prior art, the present invention has following beneficial effect:
1. invention introduces more coating property parameter, make quantitative description paper smoothness and surface strength more perfect.
2. each component of the clearer understanding of the present invention is on the impact of paper smoothness and surface strength.
Detailed description of the invention
Below in conjunction with embodiment, the inventive method is described in further detail.
Embodiment 1
Paper making additive improves the method for paper smoothness and intensity:
1. coating chooses kaolin, nano-calcium carbonate and nano titanium oxide as pigment, mass concentration ratio is 96:2:2, respectively set solid content be over dry pigment mass concentration 40%, water retention agent hydroxyethylcellulose consumption be over dry pigment mass concentration 0.2%, biological dosage of latex be over dry pigment mass concentration 10%, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents consumption be 0.2% of over dry pigment mass concentration and the consumption of nano particle be 0% of over dry pigment mass concentration.
2. take pigment according to step (1) formula, add dispersant, defoamer, disperse 20min in high speed dispersor after, then mix with other components, in all formulas, pH value is adjusted to 8.5.
3. press 12g/m
2coating weight be coated with, coating after paper in isoperibol, deposit 24h, according to GB/T456-89 measure paper smoothness, according to GB/T3331-82 measure surface strength of paper.
Experiment finally show that the smoothness of paper and surface strength value are respectively 4.32S and 1.06m/s.
Embodiment 2
Paper making additive improves the method for paper smoothness and intensity:
1. coating chooses kaolin, nano-calcium carbonate and nano titanium oxide as pigment, mass concentration ratio is 96:2:2, respectively set solid content be over dry pigment mass concentration 55%, water retention agent hydroxyethylcellulose consumption be over dry pigment mass concentration 0.8%, biological dosage of latex be over dry pigment mass concentration 18%, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents consumption be 1.0% of over dry pigment mass concentration and the consumption of nano particle be 4% of over dry pigment mass concentration.
2. identical with embodiment 1 step 2.
3. identical with embodiment 1 step 3.
Experiment finally show that the smoothness of paper and surface strength value are respectively 4.48S and 1.14m/s.
Embodiment 3
Paper making additive improves the method for paper smoothness and intensity:
1. coating chooses kaolin, nano-calcium carbonate and nano titanium oxide as pigment, mass concentration ratio is 96:2:2, respectively set solid content be over dry pigment mass concentration 60%, water retention agent hydroxyethylcellulose consumption be over dry pigment mass concentration 1.0%, biological dosage of latex be over dry pigment mass concentration 18%, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents consumption be 1.0% of over dry pigment mass concentration and the consumption of nano particle be 20% of over dry pigment mass concentration.
2. identical with embodiment 1 step 2.
3. identical with embodiment 1 step 3.
Experiment finally show that the smoothness of paper and surface strength value are respectively 4.44S and 1.09m/s.
It should be noted that, what more than enumerate is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (2)
1. a paper making additive improves the method for paper smoothness and intensity, it is characterized in that, the method draws a kind of best coatings formula improving paper smoothness and surface strength by the consumption change of solid content and water retention agent hydroxyethylcellulose, biological latex, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents and nano particle, and described method operating procedure is as follows:
(1) solid content: kaolin chosen by coating, nano-calcium carbonate and nano titanium oxide are as pigment, kaolin, the mass concentration ratio of nano-calcium carbonate and nano titanium oxide is 96:2:2, kaolin, the mass concentration of nano-calcium carbonate and nano titanium oxide is 40% ~ 60% of over dry pigment mass concentration respectively, water retention agent hydroxyethylcellulose consumption is 0.2% ~ 1.0% of over dry pigment mass concentration, biological dosage of latex is 10% ~ 18% of over dry pigment mass concentration, dispersant Sodium Meta Hexa Phosphate 62 and 67 P2O5 contents consumption be 0.2% ~ 1.0% of over dry pigment mass concentration and the consumption of nano particle be 0% ~ 20% of over dry pigment mass concentration,
(2) fill a prescription in pigment according to step (1), add dispersant, defoamer, disperse 20min in high speed dispersor after, then mix with other components, in all formulas, pH value is adjusted to 8.5;
(3) by 12g/m
2coating weight carry out Paper Coating, coating after paper in isoperibol, deposit 24h, according to GB/T456-89 measure paper smoothness, according to GB/T3331-82 measure surface strength of paper,
Measurement result:
The excursion of paper smoothness is 4.32S-4.48S, and the excursion of surface strength of paper is 1.06m/s-1.14m/s.
2. a kind of paper making additive according to claim 1 improves the method for paper smoothness and intensity, it is characterized in that, described step (1) solid content kaolin, nano-calcium carbonate and nano titanium oxide mass concentration are 55%, water retention agent hydroxyethylcellulose consumption is 0.8% of over dry pigment mass concentration, biological dosage of latex is 18% of over dry pigment mass concentration, dispersant dosage is 1.0% of over dry pigment mass concentration, when nano particle consumption is 4% of over dry pigment mass concentration, there is optimum value in smoothness and the surface strength of paper, be respectively 4.48S and 1.14m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614729.8A CN104452442A (en) | 2014-11-04 | 2014-11-04 | Method for improving smoothness and surface strength of paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614729.8A CN104452442A (en) | 2014-11-04 | 2014-11-04 | Method for improving smoothness and surface strength of paper |
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| CN104452442A true CN104452442A (en) | 2015-03-25 |
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| CN201410614729.8A Pending CN104452442A (en) | 2014-11-04 | 2014-11-04 | Method for improving smoothness and surface strength of paper |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051860A1 (en) * | 1997-05-16 | 1998-11-19 | Minerals Technologies Inc. | Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers |
| CN1789552A (en) * | 2005-12-12 | 2006-06-21 | 金东纸业(江苏)有限公司 | High-whiteness coated paper and its production method |
| CN101760991A (en) * | 2010-03-19 | 2010-06-30 | 天津科技大学 | Paint for reduction of yellow discoloration of paper with high-yield bleaching pulp and coating method |
| CN102409576A (en) * | 2011-11-22 | 2012-04-11 | 上海东升新材料有限公司 | Environment-friendly papermaking coating using biological latex |
| CN103757980A (en) * | 2014-01-03 | 2014-04-30 | 金华盛纸业（苏州工业园区）有限公司 | Latex for papermaking, preparation method and coating containing latex for papermaking |
-
2014
- 2014-11-04 CN CN201410614729.8A patent/CN104452442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051860A1 (en) * | 1997-05-16 | 1998-11-19 | Minerals Technologies Inc. | Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers |
| CN1789552A (en) * | 2005-12-12 | 2006-06-21 | 金东纸业(江苏)有限公司 | High-whiteness coated paper and its production method |
| CN101760991A (en) * | 2010-03-19 | 2010-06-30 | 天津科技大学 | Paint for reduction of yellow discoloration of paper with high-yield bleaching pulp and coating method |
| CN102409576A (en) * | 2011-11-22 | 2012-04-11 | 上海东升新材料有限公司 | Environment-friendly papermaking coating using biological latex |
| CN103757980A (en) * | 2014-01-03 | 2014-04-30 | 金华盛纸业（苏州工业园区）有限公司 | Latex for papermaking, preparation method and coating containing latex for papermaking |
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Application publication date: 20150325 |