CN103233386A - Preparation method of corrugating medium paper - Google Patents
Preparation method of corrugating medium paper Download PDFInfo
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- CN103233386A CN103233386A CN2013101282640A CN201310128264A CN103233386A CN 103233386 A CN103233386 A CN 103233386A CN 2013101282640 A CN2013101282640 A CN 2013101282640A CN 201310128264 A CN201310128264 A CN 201310128264A CN 103233386 A CN103233386 A CN 103233386A
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Abstract
The invention provides a preparation method of corrugating medium paper, which comprises the following steps: an evacuation treatment is carried out after dry sea-tangle is immersed in water, a sea-tangle dispersion slurry is prepared; a nonionic polyacrylamide dry powder is added into water and stirred for dispersion, and a nonionic polyacrylamide solution is prepared; a nonionic polyacrylamide solution is added into the sea-tangle dispersion slurry for uniformly mixing, and a glue application solution is prepared; the glue application solution is added into the waste paper pulp or secondary fibre pulp for preparing paper pulp; a white polymeric aluminium solution is added into the paper pulp, and is mixed uniformly for place, than then paper making is carried out for producing the corrugating medium paper. The combination intensity of the corrugating medium paper prepared by the method increases the folding strength and the bursting strength of the corrugating medium paper, and improves the surface intensity and the ring crush strength of the corrugating medium paper with low preparation cost.
Description
Technical field
The present invention relates to a kind of preparation method of paper, be specifically related to a kind of preparation method of corrugating medium.
Background technology
The purposes of corrugating medium is the roll extrusion through the corrugation roller, forms undulatory corrugated paper, and with the bonding formation corrugated board of boxboard.Undulatory corrugated paper plays a part buffering and supports in corrugated board.The quality of corrugating medium's quality directly has influence on the compression strength of corrugated case, therefore adopts high-intensity corrugating medium, can produce strong and whippy corrugated case.But, for the consideration to cost, be waste paper or secondary stock more than 80% in the raw material of China corrugating medium, use such raw material that the intensity of corrugating medium is reduced.Directly caused the compression strength of corrugated case to reduce.In order to improve the intensity of corrugating medium, the way of now generally taking is: adopt starch or starch is carried out the modification after dryer sizing; The direct applying glue of starch, cost is lower, but starch is mobile poor, easy gel, and applying glue is inhomogeneous, applying glue process operation trouble, corrugating medium's quality of making is fluctuated.Starch carries out the modification after dryer sizing, and technology is loaded down with trivial details, and equipment corrosion is serious, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of corrugating medium, this method has improved the bond strength of corrugating medium, has increased folding strength, the bursting strength of corrugating medium.
For achieving the above object, the present invention adopts following technical scheme:
1) evacuates processing after dried sea-tangle is soaked in water, make sea-tangle dispersion slurries; Wherein, the mass ratio of water and dried sea-tangle is (45～50): 1;
2) non-ionic polyacrylamide is added to the water, stirs and evacuate, make non-ionic polyacrylamide in water, disperse, dissolve, make mass concentration and be the non-ionic polyacrylamide solution of (0.18%～0.2%);
3) in sea-tangle dispersion slurries, add non-ionic polyacrylamide solution, mix, make applying glue liquid; Wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:(2～2.2);
4) add applying glue liquid in secondary stock or secondary stock paper pulp, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock is (15～35): 100, and perhaps the mass ratio of applying glue liquid and secondary stock paper pulp is (15～35): 100;
5) add polymeric aluminum chlorides solution in paper pulp, mix the back and place, copy paper then, make corrugating medium, wherein the mass ratio of paper pulp and polymeric aluminum chlorides solution is (18～20): 1.
Need water that the impurity on dried sea-tangle surface is cleaned up before dried sea-tangle is soaked in water in the described step 1).
The temperature that dried sea-tangle is soaked in water in the described step 1) is 40～45 ℃, and the time is (1～1.5) h.
Adopt the mill machine to evacuate processing in the described step 1), the processing time is 2～3 minutes, and the rotating speed of mill machine is 2000～2200 rev/mins.
Described step 2) stirring evacuation in is to adopt mixer to realize that mixing time is 2～3 minutes, and the rotating speed of mixer is 150～170 rev/mins.
The mass concentration of polymeric aluminum chlorides solution is 2% in the described step 5), and be 5～6 minutes standing time.
The beneficial effect that the present invention has:
1, the corrugating medium that the present invention adopts dried sea-tangle and non-ionic polyacrylamide to make, because the alginic acid in the sea-tangle and alginic acid calcium salt make the mechanical strength height of dried sea-tangle, flexility is good, the adhesive strength height of non-ionic polyacrylamide, filming performance is good, so sea-tangle dispersion slurries and non-ionic polyacrylamide combination are added in secondary stock or the secondary stock paper pulp, alginic acid in the sea-tangle, the alginic acid calcium salt can with implicative of each other being in the same place of composition of secondary stock or secondary stock paper pulp, form network structure, can increase the adhesion between the fiber after to be dried greatly, improved the bond strength of corrugating medium, increased the folding strength of corrugating medium, bursting strength, and improved surface strength and the ring crush intensity of corrugating medium, solved corrugating medium and in the environment of high temperature drying, occurred clear-cut problem and folding strength easily, the problem that bursting strength is low.
2, the present invention can reach high-strength corrugating medium index with the corrugating medium of secondary stock or the manufacturing of secondary stock paper pulp, has reduced the papermaking cost simultaneously, can produce favorable economic benefit.
3, the present invention makes corrugating medium with secondary stock, and it is significant that paper industry is developed a circular economy.
The specific embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
1) after water cleans up the impurity on dried sea-tangle surface, dried sea-tangle after will cleaning under 40 ℃ was soaked in water 1.5 hours, evacuate with the mill machine then and handled 2 minutes, so that fully evacuating in the aqueous solution, dried sea-tangle opens, make sea-tangle dispersion slurries, wherein, the mass ratio of water and dried sea-tangle is 49:1, and the rotating speed of mill machine is 2200 rev/mins;
2) non-ionic polyacrylamide dry powder slowly is added to the water, stir evacuation 3 minutes with mixer, make non-ionic polyacrylamide disperse in water, dissolve, make mass concentration and be 0.2% non-ionic polyacrylamide solution, wherein the rotating speed of mixer is 150 rev/mins;
3) add non-ionic polyacrylamide solution in sea-tangle dispersion slurries, mix, make applying glue liquid, wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:2.1;
4) add applying glue liquid in secondary stock, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock is 15:100;
5) adding mass concentration in the paper pulp is 2% white polymeric aluminum chlorides solution, mixes the back and places 5 minutes, copies paper then, makes corrugating medium, and wherein paper pulp and mass concentration are that the mass ratio of 2% white polymeric aluminum chlorides solution is 18:1.
Embodiment 2
1) after water cleans up the impurity on dried sea-tangle surface, dried sea-tangle after will cleaning under 45 ℃ was soaked in water 1 hour, evacuate with the mill machine then and handled 3 minutes, so that fully evacuating in the aqueous solution, dried sea-tangle opens, make sea-tangle dispersion slurries, wherein, the mass ratio of water and dried sea-tangle is 48:1, and the rotating speed of mill machine is 2000 rev/mins;
2) non-ionic polyacrylamide dry powder slowly is added to the water, stir evacuation 2 minutes with mixer, make non-ionic polyacrylamide disperse in water, dissolve, make mass concentration and be 0.19% non-ionic polyacrylamide solution, wherein the rotating speed of mixer is 170 rev/mins;
3) add non-ionic polyacrylamide solution in sea-tangle dispersion slurries, mix, make applying glue liquid, wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:2;
4) add applying glue liquid in secondary stock paper pulp, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock paper pulp is 20:100;
5) adding mass concentration in the paper pulp is 2% white polymeric aluminum chlorides solution, mixes the back and places 5 minutes, copies paper then, makes corrugating medium, and wherein paper pulp and mass concentration are that the mass ratio of 2% white polymeric aluminum chlorides solution is 20:1.
Embodiment 3
1) after water cleans up the impurity on dried sea-tangle surface, dried sea-tangle after will cleaning under 42 ℃ was soaked in water 1.2 hours, evacuate with the mill machine then and handled 2 minutes, so that fully evacuating in the aqueous solution, dried sea-tangle opens, make sea-tangle dispersion slurries, wherein, the mass ratio of water and dried sea-tangle is 45:1, and the rotating speed of mill machine is 2100 rev/mins;
2) non-ionic polyacrylamide dry powder slowly is added to the water, stir evacuation 3 minutes with mixer, make non-ionic polyacrylamide disperse in water, dissolve, make mass concentration and be 0.18% non-ionic polyacrylamide solution, wherein the rotating speed of mixer is 160 rev/mins;
3) add non-ionic polyacrylamide solution in sea-tangle dispersion slurries, mix, make applying glue liquid, wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:2;
4) add applying glue liquid in secondary stock, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock is 25:100;
5) adding mass concentration in the paper pulp is 2% white polymeric aluminum chlorides solution, mixes the back and places 6 minutes, copies paper then, makes corrugating medium, and wherein paper pulp and mass concentration are that the mass ratio of 2% white polymeric aluminum chlorides solution is 19:1.
Embodiment 4
1) after water cleans up the impurity on dried sea-tangle surface, dried sea-tangle after will cleaning under 43 ℃ was soaked in water 1.1 hours, evacuate with the mill machine then and handled 3 minutes, so that fully evacuating in the aqueous solution, dried sea-tangle opens, make sea-tangle dispersion slurries, wherein, the mass ratio of water and dried sea-tangle is 50:1, and the rotating speed of mill machine is 2200 rev/mins;
2) non-ionic polyacrylamide dry powder slowly is added to the water, stir evacuation 2 minutes with mixer, make non-ionic polyacrylamide disperse in water, dissolve, make mass concentration and be 0.19% non-ionic polyacrylamide solution, wherein the rotating speed of mixer is 170 rev/mins;
3) add non-ionic polyacrylamide solution in sea-tangle dispersion slurries, mix, make applying glue liquid, wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:2.2;
4) add applying glue liquid in secondary stock paper pulp, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock paper pulp is 30:100;
5) adding mass concentration in the paper pulp is 2% white polymeric aluminum chlorides solution, mixes the back and places 5 minutes, copies paper then, makes corrugating medium, and wherein paper pulp and mass concentration are that the mass ratio of 2% white polymeric aluminum chlorides solution is 20:1.
Embodiment 5
1) after water cleans up the impurity on dried sea-tangle surface, dried sea-tangle after will cleaning under 41 ℃ was soaked in water 1.4 hours, evacuate with the mill machine then and handled 3 minutes, so that fully evacuating in the aqueous solution, dried sea-tangle opens, make sea-tangle dispersion slurries, wherein, the mass ratio of water and dried sea-tangle is 47:1, and the rotating speed of mill machine is 2000 rev/mins;
2) non-ionic polyacrylamide dry powder slowly is added to the water, stir evacuation 2 minutes with mixer, make non-ionic polyacrylamide disperse in water, dissolve, make mass concentration and be 0.18% non-ionic polyacrylamide solution, wherein the rotating speed of mixer is 160 rev/mins;
3) add non-ionic polyacrylamide solution in sea-tangle dispersion slurries, mix, make applying glue liquid, wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:2.1;
4) add applying glue liquid in secondary stock, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock is 35:100;
5) adding mass concentration in the paper pulp is 2% white polymeric aluminum chlorides solution, mixes the back and places 6 minutes, copies paper then, makes corrugating medium, and wherein paper pulp and mass concentration are that the mass ratio of 2% white polymeric aluminum chlorides solution is 18:1.
Claims (6)
1. the preparation method of a corrugating medium is characterized in that, may further comprise the steps:
1) evacuates processing after dried sea-tangle is soaked in water, make sea-tangle dispersion slurries; Wherein, the mass ratio of water and dried sea-tangle is (45～50): 1;
2) non-ionic polyacrylamide is added to the water, stir evacuates, make non-ionic polyacrylamide in water, disperse, dissolve, make mass concentration and be 0.18%～0.2% non-ionic polyacrylamide solution;
3) in sea-tangle dispersion slurries, add non-ionic polyacrylamide solution, mix, make applying glue liquid; Wherein, the mass ratio of sea-tangle dispersion slurries and non-ionic polyacrylamide solution is 1:(2～2.2);
4) add applying glue liquid in secondary stock or secondary stock paper pulp, make paper pulp, wherein, the mass ratio of applying glue liquid and secondary stock is (15～35): 100, and perhaps the mass ratio of applying glue liquid and secondary stock paper pulp is (15～35): 100;
5) add polymeric aluminum chlorides solution in paper pulp, mix the back and place, copy paper then, make corrugating medium, wherein the mass ratio of paper pulp and polymeric aluminum chlorides solution is (18～20): 1.
2. the preparation method of a kind of corrugating medium according to claim 1 is characterized in that, needs water that the impurity on dried sea-tangle surface is cleaned up before dried sea-tangle is soaked in water in the described step 1).
3. the preparation method of a kind of corrugating medium according to claim 1 is characterized in that, the temperature that dried sea-tangle is soaked in water in the described step 1) is 40～45 ℃, and the time is 1～1.5h.
4. the preparation method of a kind of corrugating medium according to claim 1 is characterized in that, adopts the mill machine to evacuate processing in the described step 1), and the processing time is 2～3 minutes, and the rotating speed of mill machine is 2000～2200 rev/mins.
5. the preparation method of a kind of corrugating medium according to claim 1 is characterized in that, described step 2) in stir to evacuate be adopt mixer to realize that mixing time is 2～3 minutes, the rotating speed of mixer is 150～170 rev/mins.
6. the preparation method of a kind of corrugating medium according to claim 1 is characterized in that, the mass concentration of polymeric aluminum chlorides solution is 2% in the described step 5), and be 5～6 minutes standing time.
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| CN2013101282640A CN103233386A (en) | 2013-04-12 | 2013-04-12 | Preparation method of corrugating medium paper |
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Cited By (2)
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| CN105109088A (en) * | 2015-08-13 | 2015-12-02 | 合肥龙发包装有限公司 | Preparation method of high-strength corrugated paper board core paper |
| CN107849752A (en) * | 2015-04-28 | 2018-03-27 | 斯宾诺华公司 | For manufacturing the chemical method and system of fiber yarn |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107849752A (en) * | 2015-04-28 | 2018-03-27 | 斯宾诺华公司 | For manufacturing the chemical method and system of fiber yarn |
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| CN105109088A (en) * | 2015-08-13 | 2015-12-02 | 合肥龙发包装有限公司 | Preparation method of high-strength corrugated paper board core paper |
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Application publication date: 20130807 |