CN104213474A - Coating, coated paper and making method of coated paper - Google Patents
Coating, coated paper and making method of coated paper Download PDFInfo
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- CN104213474A CN104213474A CN201410433347.5A CN201410433347A CN104213474A CN 104213474 A CN104213474 A CN 104213474A CN 201410433347 A CN201410433347 A CN 201410433347A CN 104213474 A CN104213474 A CN 104213474A
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Abstract
The invention discloses a coating, coated paper and a making method of the coated paper. The making method comprises the following steps: by taking the surface of a piece of paper as a substrate, coating a layer of coating in a preset coating amount on the substrate so as to form a coating layer on the substrate, wherein the coating is at least selected from a pigment, styrene-butadiene latex, cationic polyvinyl alcohol or polyethyleneimine; and carrying out super-calendaring treatment on the substrate and the coating layer under a preset condition so as to form the coated paper. Thus, the adsorbability between the coating layer and electronic ink is improved. As a result, a good printing effect is achieved.
Description
Technical field
The present invention relates to pulp technology for making paper, particularly relate to a kind of coating, coated paper and preparation method thereof.
Background technology
In recent years, along with the fast development in Chinese adhesive label market, user it is also proposed higher requirement to adhesive label, and as delivered goods fast, the variation of package design, personalization, batch many but batch order volume lack.In order to meet customer personalized demand, reel digital printing is applied in the production process of adhesive label just more and more as a kind of mode of printing of rise.
In order to improve the absorption property between adhesive sticker facial tissue and e-inks, prior art before printing, adhesive sticker facial tissue is coated with by user the coating fluid of fabric aqueous voluntarily, but the ink sorptive performance of water-based coating fluid is not good yet, make the pattern effect that prints out on adhesive sticker facial tissue bad, and the easy crawling of water-based coating fluid is even, causes waste of material, increase cost.
Therefore, need to provide a kind of coating, coated paper and preparation method thereof, to solve the problems of the technologies described above.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of coating, coated paper and preparation method thereof, can promote the absorption property of coating and e-inks, and coating evenly, reaches good printing effect.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of coating, this coating comprises: at least one in pigment, butadiene-styrene latex and cationic polyvinyl alcohol and polymine.
Wherein, pigment is 100 parts by mass, and butadiene-styrene latex is 11.5-12 parts by mass, and cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and polymine is 0.2-0.5 parts by mass.
Wherein, pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
Wherein, pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
Wherein, the average grain diameter of rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of china clay is 0.2-0.6 micron.
Wherein, coating also comprises: dispersant, defoamer and water-proofing agent.
Wherein, the solid content of coating is 58-60%.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of coated paper, this coated paper comprises: basic unit and coating, this coating applications is in basic unit, and the coating of coating comprises at least one in pigment, styrene-butadiene latex and cationic polyvinyl alcohol and polymine.
Wherein, pigment is 100 parts by mass, and butadiene-styrene latex is 11.5-12 parts by mass, and cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and polymine is 0.2-0.5 parts by mass.
Wherein, pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
Wherein, pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
Wherein, the average grain diameter of rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of china clay is 0.2-0.6 micron.
Wherein, coating also comprises: dispersant, defoamer and water-proofing agent.
Wherein, the solid content of the coating of coating is 58-60%.
Wherein, basic unit comprises adhesive sticker facial tissue layer and precoated shet, and precoated shet is coated on adhesive sticker facial tissue layer, and the coating of precoated shet comprises the grinding calcium carbonate of 100 parts by mass and the styrene-butadiene latex of 10-15 parts by mass or starch.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: the preparation method providing a kind of coated paper, and this preparation method comprises: provide a paper surface using as basic unit; Basic unit is coated with a coating with predetermined coating weight, and to form coating in basic unit, wherein, coating comprises at least one in pigment, styrene-butadiene latex and cationic polyvinyl alcohol and polymine; With predetermined condition, supercalendering process is carried out to basic unit and coating, forms coated paper.
Wherein, pigment is 100 parts by mass, and butadiene-styrene latex is 11.5-12 parts by mass, and cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and polymine is 0.2-0.5 parts by mass.
Wherein, pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
Wherein, pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
Wherein, the average grain diameter of rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of china clay is 0.2-0.6 micron.
Wherein, coating also comprises: dispersant, defoamer and water-proofing agent.
Wherein, predetermined condition is: pressure 170-190KN/m, temperature 140 DEG C.
Wherein, predetermined coating weight is 8-15g/m
2.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention comprises pigment by choosing, the coating of at least one in butadiene-styrene latex and cationic polyvinyl alcohol and polymine is coated in basic unit as the material of coating and obtains coated paper, polymine is a kind of weak positive charge polymer, it has good compatibility with in electronegative e-inks, the suction-operated of positive and negative charge can be utilized to allow e-inks firmly be attached to coating surface, a large amount of in cationic polyvinyl alcohol-OH group can with in e-inks-COOH group reacts, produce the strong bonded of chemical bond, the binding strength of e-inks in coating can be improved, therefore the cationic polyvinyl alcohol in coating and/or polymine can give coating and the better affinity of e-inks, thus improve the secondary adhesion of e-inks and coating, the requirement of adhesive sticker facial tissue to e-inks good adsorption properties can be met.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of coated paper of the present invention;
Fig. 2 is the flow chart of preparation method one embodiment of coated paper of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be described in detail.
The invention provides a kind of coating, this coating comprises: at least one in pigment, butadiene-styrene latex and cationic polyvinyl alcohol and polymine.Namely this coating can comprise pigment, butadiene-styrene latex and cationic polyvinyl alcohol; Or comprise pigment, butadiene-styrene latex and polymine; Or comprise pigment, butadiene-styrene latex and cationic polyvinyl alcohol and polymine.
The coating of present embodiment may be used for being coated in a basic unit and forms coating.
Styrene-butadiene latex refers to butadiene and the styrene stable emulsion through low temperature polymerization.
The styrene-butadiene latex of present embodiment ensure that strength of coating index with the adhesive combination of cationic polyvinyl alcohol, in formula, polymine is a kind of weak positive charge polymer, there is higher reaction vigor, it has good compatibility with in electronegative e-inks, such as, the degree of polymerization of polymine can be 100, molecular weight is 300 ~ 400, viscosity is 300 ~ 700mPa.s, and polymine can utilize the suction-operated of positive and negative charge to allow e-inks firmly be attached to coating surface; A large amount of in cationic polyvinyl alcohol-OH group again can with in e-inks-COOH group reacts, and produces the strong bonded of chemical bond, improves the binding strength of e-inks in coating further.
Wherein, pigment is 100 parts by mass, and butadiene-styrene latex is 11.5-12 parts by mass, and cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and polymine is 0.2-0.5 parts by mass.Such as, butadiene-styrene latex is 11.5,11.75 or 12 parts by mass; Cationic polyvinyl alcohol is 0.2,0.35 or 0.5 parts by mass; Polymine is 0.2,0.35 or 0.5 parts by mass.
Parts by mass is the industrial quality matching method intuitively used for convenience of calculation, the quality of proportion substance required for digital direct representation.In actual application, only need proportionally add, unit can arbitrarily convert as required.Such as, if when unit all uses gram, in the present embodiment, can be following concrete condition, pigment be 100 grams, and butadiene-styrene latex is 11.5-12 gram, and cationic polyvinyl alcohol is 0.2-0.5 gram, and polymine is 0.2-0.5 gram.
Wherein, pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.More preferably, pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.The average grain diameter of rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of china clay is 0.2-0.6 micron.Such as, rod-like precipitates calcium carbonate can be 20,30 or 40 parts by mass, and grinding calcium carbonate can be 50,60 or 75 parts by mass, and china clay can be 5,8 or 10 parts by mass.
With the pigment structure that particle diameter forms at the china clay of the rod-like precipitates calcium carbonate of 0.4-1.1 micron, the grinding calcium carbonate of 0.4-0.8 micron and 0.2-0.6 micron, the application of rod-like precipitates calcium carbonate can improve the micropore volume of coating, effectively improves the porosity of coating structure.This serves facilitation for the osmotic absorption of image oil in e-inks, thus effectively shortens e-inks in the dry solidification time of coating surface, improves the solidification attachment fastness of e-inks at coating surface.
Wherein, coating also comprises dispersant, defoamer and water-proofing agent.
Dispersant is that one can impel material particles to be dispersed in medium, forms the medicament of stable suspension.Dispersant is generally divided into inorganic dispersant and the large class of organic dispersing agent two.Such as, dispersant can be inorganic dispersant silicates (such as waterglass) and alkali metal phosphate class (such as sodium phosphate trimer, calgon and sodium pyrophosphate etc.), and dispersant can also be organic dispersing agent triethyl group hexyl phosphoric acid, lauryl sodium sulfate, methyl anyl alcohol, cellulose derivative, polyacrylamide, guar gum, fatty acid polyethylene glycol ester etc.Defoamer is for eliminating the foam in coating.Water-proofing agent is used for preventing coating from making moist.
Wherein, the solid content of coating is 58-60%, and the solid content of such as coating is 58%, 59% or 60%.The solid content of coating refers to that coating dries the mass percent that rear remainder accounts for total amount under prescribed conditions.
The present invention also provides a kind of coated paper, refers to Fig. 1, and Fig. 1 is the structural representation of an embodiment of coated paper of the present invention.In the present embodiment, coated paper comprises: basic unit 11 and coating 12, and this coating 12 is coated in basic unit 11, and the coating of coating 12 is the coating described in above-described embodiment, repeats no more herein.
Wherein, basic unit 11 comprises adhesive sticker facial tissue layer 111 and precoated shet 112, and precoated shet 112 is coated on adhesive sticker facial tissue layer 111, and the coating of precoated shet 112 comprises the grinding calcium carbonate of 100 parts by mass and the styrene-butadiene latex of 10-15 parts by mass or starch.
Consult Fig. 2, Fig. 2 is the flow chart of preparation method one embodiment of coated paper of the present invention.The present invention also provides a kind of preparation method of coated paper, and the method may be used for making above-mentioned coated paper, and the method comprises:
Step S101: provide a paper surface using as basic unit.
In step S101, basic unit comprises adhesive sticker facial tissue layer and precoated shet, and precoated shet is coated on adhesive sticker facial tissue layer, and the coating of precoated shet comprises the grinding calcium carbonate of 100 parts by mass and the styrene-butadiene latex of 10-15 parts by mass or starch.A paper surface is provided using the concrete steps as basic unit to be: to provide an adhesive sticker facial tissue layer; Basic unit is coated with precoated shet.
Step S102: be coated with a coating with predetermined coating weight in basic unit, to form coating in basic unit.
Wherein, coating comprises at least one in pigment, styrene-butadiene latex and cationic polyvinyl alcohol and polymine.This coating can adopt the coating in above-described embodiment, repeats no more herein.
Step S103: carry out supercalendering process with predetermined condition to basic unit and coating, forms coated paper.
Wherein, predetermined condition is: pressure 170-190KN/m, temperature 140 DEG C.
Wherein, predetermined coating weight is 8-15g/m
2.
In particular embodiments coating of the present invention, coated paper and preparation method thereof are described below.
Embodiment 1:
Prepare coating: the styrene-butadiene latex of the pigment and 12 parts by mass of getting 100 parts by mass is mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 20 parts by mass, the grinding calcium carbonate of 75 parts by mass and 5 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 72.5% that test obtains peeling value.
Embodiment 2:
Prepare coating: the styrene-butadiene latex of the pigment and 12 parts by mass of getting 100 parts by mass is mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 40 parts by mass, the grinding calcium carbonate of 50 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 76.2% that test obtains peeling value.
Embodiment 3:
Prepare coating: get the pigment of 100 parts by mass, the styrene-butadiene latex of 11.7 parts by mass and the polymine of 0.5 parts by mass and be mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 30 parts by mass, the grinding calcium carbonate of 60 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 84.5% that test obtains peeling value.
Embodiment 4:
Prepare coating: get the pigment of 100 parts by mass, the styrene-butadiene latex of 11.5 parts by mass and the cationic polyvinyl alcohol of 0.5 parts by mass and be mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 40 parts by mass, the grinding calcium carbonate of 50 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 83.0% that test obtains peeling value.
Embodiment 5
Prepare coating: the polymine getting the pigment of 100 parts by mass, the styrene-butadiene latex of 11.5 parts by mass, the cationic polyvinyl alcohol of 0.2 parts by mass and 0.05 parts by mass is mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 40 parts by mass, the grinding calcium carbonate of 50 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 82.6% that test obtains peeling value.
Embodiment 6:
Prepare coating: the polymine getting the pigment of 100 parts by mass, the styrene-butadiene latex of 11.5 parts by mass, the cationic polyvinyl alcohol of 0.1 parts by mass and 0.2 parts by mass is mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 40 parts by mass, the grinding calcium carbonate of 50 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 84.5% that test obtains peeling value.
Embodiment 7:
Prepare coating: the polymine getting the pigment of 100 parts by mass, the styrene-butadiene latex of 11.5 parts by mass, the cationic polyvinyl alcohol of 0.4 parts by mass and 0.3 parts by mass is mixed to get coating, wherein the component of pigment is the china clay of the bar-shaped calcium carbonate of 40 parts by mass, the grinding calcium carbonate of 50 parts by mass and 10 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 92.0% that test obtains peeling value.
Comparative example:
Prepare coating: the styrene-butadiene latex of the pigment and 12 parts by mass of getting 100 parts by mass is mixed to get coating, wherein the component of pigment is the grinding calcium carbonate of 100 parts by mass.
Make coated paper: provide a paper surface using as basic unit, wherein, substrate weight 80g/m
2; With 10g/m in basic unit
2coating weight be coated with a coating, to form coating in basic unit; With the condition of pressure 180KN/m, temperature 140 DEG C, supercalendering process is carried out to basic unit and coating, forms coated paper.
The test of peeling value is carried out to coated paper: the coated paper adopting making to obtain carries out digital printing; Wait for 10min; Adopt 3M#230 tape-stripping in 100%K region; With 2kg pressure roller back and forth roll extrusion once, adhesive tape is slowly pulled up along paper direction, re-use image analysis system and calculate the ratio that digital ink residue region accounts for the gross area, be peeling value; It is 66.5% that test obtains peeling value.
Wherein, Peeling value is the embodiment of coated paper to the absorption property of e-inks, and the higher explanation absorption property of Peeling value is better, otherwise, then poorer.
Refer to following table one, table one is each embodiment data summary table above.
Explanation is analyzed to upper table data below.
Contrast known by embodiment 1 and comparative example, add the rod-like precipitates calcium carbonate of 20 parts by mass and the china clay of 5 parts by mass, decrease the grinding calcium carbonate of 25 parts by mass, the effect of acquisition is that Peeling value adds 6%.
Embodiment 2 further increases the parts by mass of rod-like precipitates calcium carbonate and china clay and decreases the parts by mass of grinding calcium carbonate, and embodiment 2 is compared with comparative example, and Peeling value adds 9.7%.
Embodiment 3 further increases the polymine of 0.5 parts by mass, other data significantly do not change, and embodiment 3 is compared with comparative example, and Peeling value adds 18%, during the visible polymine in increase by 0.5 parts by mass, Peeling value has obvious lifting.
Embodiment 4 further increases the cationic polyvinyl alcohol of 0.5 parts by mass, and do not put into polymine, other data significantly do not change, embodiment 4 is compared with comparative example, Peeling value adds 16.5%, during the visible cationic polyvinyl alcohol in increase by 0.5 parts by mass, Peeling value also has obvious lifting.
Embodiment 5 adds the cationic polyvinyl alcohol of 0.2 parts by mass and the polymine of 0.05 parts by mass, and other data significantly do not change, and embodiment 5 is compared with comparative example, and Peeling value adds 16.5%, Peeling value also obvious lifting.
Embodiment 6 adds the cationic polyvinyl alcohol of 0.1 parts by mass and the polymine of 0.2 parts by mass, and other data significantly do not change, and embodiment 6 is compared with comparative example, and Peeling value adds 18%, Peeling value also obvious lifting.
Embodiment 7 adds the cationic polyvinyl alcohol of 0.4 parts by mass and the polymine of 0.3 parts by mass, other data significantly do not change, embodiment 7 is compared with comparative example, Peeling value adds 25.5%, Peeling value also has significantly lifting to reach more than 90%, and embodiment 7 is situations of the preferred embodiments of the present invention.
The present invention being different from prior art comprises pigment by choosing, the coating of at least one in butadiene-styrene latex and cationic polyvinyl alcohol and polymine is coated in basic unit as the material of coating and obtains coated paper, polymine is a kind of weak positive charge polymer, it has good compatibility with in electronegative e-inks, the suction-operated of positive and negative charge can be utilized to allow e-inks firmly be attached to coating surface, a large amount of in cationic polyvinyl alcohol-OH group can with in e-inks-COOH group reacts, produce the strong bonded of chemical bond, the binding strength of e-inks in coating can be improved, therefore the cationic polyvinyl alcohol in coating and/or polymine can give coating and the better affinity of e-inks, thus improve the secondary adhesion of e-inks and coating, the requirement of adhesive sticker facial tissue to e-inks good adsorption properties can be met.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (23)
1. a coating, is characterized in that, described coating comprises: at least one in pigment, butadiene-styrene latex and cationic polyvinyl alcohol and polymine.
2. coating according to claim 1, is characterized in that, described pigment is 100 parts by mass, and described butadiene-styrene latex is 11.5-12 parts by mass, and described cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and described polymine is 0.2-0.5 parts by mass.
3. coating according to claim 2, is characterized in that, described pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
4. coating according to claim 3, is characterized in that, described pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
5. coating according to claim 4, is characterized in that, the average grain diameter of described rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of described grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of described china clay is 0.2-0.6 micron.
6. the coating according to any one of claim 1-5, is characterized in that, described coating also comprises: dispersant, defoamer and water-proofing agent.
7. the coating according to any one of claim 1-5, is characterized in that, the solid content of described coating is 58-60%.
8. a coated paper, is characterized in that, described coated paper comprises:
Basic unit;
Coating, coats in described basic unit, and the coating of described coating comprises at least one in pigment, styrene-butadiene latex and cationic polyvinyl alcohol and polymine.
9. coated paper according to claim 8, is characterized in that, described pigment is 100 parts by mass, and described butadiene-styrene latex is 11.5-12 parts by mass, and described cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and described polymine is 0.2-0.5 parts by mass.
10. coated paper according to claim 9, is characterized in that, described pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
11. coated papers according to claim 10, is characterized in that, described pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
12. coated papers according to claim 11, is characterized in that, the average grain diameter of described rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of described grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of described china clay is 0.2-0.6 micron.
13. coated papers according to Claim 8 described in-12 any one, it is characterized in that, described coating also comprises: dispersant, defoamer and water-proofing agent.
14. coated papers according to Claim 8 described in-12 any one, it is characterized in that, the solid content of the coating of described coating is 58-60%.
15. coated papers according to Claim 8 described in-12 any one, it is characterized in that, described basic unit comprises adhesive sticker facial tissue layer and precoated shet, described precoated shet is coated on described adhesive sticker facial tissue layer, and the coating of described precoated shet comprises the grinding calcium carbonate of 100 parts by mass and the styrene-butadiene latex of 10-15 parts by mass or starch.
The preparation method of 16. 1 kinds of coated papers, is characterized in that, described preparation method comprises:
There is provided a paper surface using as basic unit;
Described basic unit is coated with a coating with predetermined coating weight, and to form coating in described basic unit, wherein, described coating comprises at least one in pigment, styrene-butadiene latex and cationic polyvinyl alcohol and polymine;
With predetermined condition, supercalendering process is carried out to described basic unit and described coating, forms described coated paper.
17. preparation methods according to claim 16, is characterized in that, described pigment is 100 parts by mass, and described butadiene-styrene latex is 11.5-12 parts by mass, and described cationic polyvinyl alcohol is 0.2-0.5 parts by mass, and described polymine is 0.2-0.5 parts by mass.
18. preparation methods according to claim 17, is characterized in that, described pigment comprises at least two kinds in rod-like precipitates calcium carbonate, grinding calcium carbonate and china clay.
19. preparation methods according to claim 18, is characterized in that, described pigment comprises at least two kinds in the china clay of the rod-like precipitates calcium carbonate of 20-40 parts by mass, the grinding calcium carbonate of 50-75 parts by mass, 5-10 parts by mass.
20. preparation methods according to claim 19, is characterized in that, the average grain diameter of described rod-like precipitates calcium carbonate is 0.4-1.1 micron, and the average grain diameter of described grinding calcium carbonate is 0.4-0.8 micron, and the average grain diameter of described china clay is 0.2-0.6 micron.
21. preparation methods according to any one of claim 16-20, it is characterized in that, described coating also comprises: dispersant, defoamer and water-proofing agent.
22. preparation methods according to any one of claim 16-20, it is characterized in that, described predetermined condition is: pressure is 170-190KN/m, temperature is 140 DEG C.
23. preparation methods according to any one of claim 16-20, it is characterized in that, described predetermined coating weight is 8-15g/m
2.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107419598A (en) * | 2017-06-22 | 2017-12-01 | 金华盛纸业（苏州工业园区）有限公司 | A kind of Copperplate board coating, chromo board and copperplate card manufacturing method |
| CN110607710A (en) * | 2018-06-15 | 2019-12-24 | 金光纸业(中国)投资有限公司 | Single-coated paper with low crimpness and preparation method thereof |
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| CN1174129A (en) * | 1996-08-12 | 1998-02-25 | 东洋纺织株式会社 | Recording media |
| CN101035684A (en) * | 2004-10-06 | 2007-09-12 | 王子制纸株式会社 | Thermal transfer reception sheet |
| CN100374306C (en) * | 2005-11-29 | 2008-03-12 | 中国乐凯胶片集团公司 | Ink-jet printing paper |
| CN102304871A (en) * | 2011-06-30 | 2012-01-04 | 湖南磊鑫新材料科技有限公司 | Production method for coating pigments on white board |
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| CN1135000A (en) * | 1995-03-31 | 1996-11-06 | 日本制纸株式会社 | Recording paper |
| CN1174129A (en) * | 1996-08-12 | 1998-02-25 | 东洋纺织株式会社 | Recording media |
| CN101035684A (en) * | 2004-10-06 | 2007-09-12 | 王子制纸株式会社 | Thermal transfer reception sheet |
| CN100374306C (en) * | 2005-11-29 | 2008-03-12 | 中国乐凯胶片集团公司 | Ink-jet printing paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107419598A (en) * | 2017-06-22 | 2017-12-01 | 金华盛纸业（苏州工业园区）有限公司 | A kind of Copperplate board coating, chromo board and copperplate card manufacturing method |
| CN110607710A (en) * | 2018-06-15 | 2019-12-24 | 金光纸业(中国)投资有限公司 | Single-coated paper with low crimpness and preparation method thereof |
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| CN104213474B (en) | 2017-11-14 |
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