CN107345376A - Body paper and preparation method thereof, using body paper be coated with made from coating paper - Google Patents
Body paper and preparation method thereof, using body paper be coated with made from coating paper Download PDFInfo
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- CN107345376A CN107345376A CN201610296570.9A CN201610296570A CN107345376A CN 107345376 A CN107345376 A CN 107345376A CN 201610296570 A CN201610296570 A CN 201610296570A CN 107345376 A CN107345376 A CN 107345376A
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- body paper
- wood pulp
- coating
- pulp
- paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/08—Mechanical or thermomechanical pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
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- Paper (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention discloses a kind of preparation method of body paper, and it comprises the following steps：Slurry mix is provided, the slurry mix includes short fine wood pulp, mechanical pulp and the long fine wood pulp after defibrination respectively, and the freedom of the fine wood pulp of length wherein after defibrination is 320 360ml；Dry the slurry mix；Press polish is carried out to the dried slurry mix, body paper is made, to obtain the body paper of the roughness as 4.5 5.5um.The present invention provides the coating paper of a kind of body paper and application body paper preparation.Body paper preparation method provided by the invention is by the way that the freedom of the fine wood pulp of length is controlled in 320~360ml, key step as adjustment body paper roughness, so that the roughness of prepared body paper is between 4.5 5.5um, so that the coating in follow-up roll-type coating process produces the mutual good interaction of absorption and infiltration with body paper, applied beneficial to coating is quickly upper, and excellent coating structure can be formed in the uniform fold on body paper surface.
Description
Technical field
The present invention relates to a kind of technical field of papermaking, more particularly to a kind of body paper and preparation method thereof, using coating paper made from body paper coating.
Background technology
At present, usually used coating method has scraper type coating and print roll coating in coating paper production, wherein roll coater belongs to typical compact design, the floor space of equipment used is considerably less than scraper coating machine, so, print roll coating is combined with scraper type coating and is applied to online coating machine, the area occupied of equipment can be obviously reduced, while be easy to manipulation of the producers to equipment.
But due to print roll coating and the difference of the coating principle of scraper type coating method, for example print roll coating is to be synchronized with the movement, scraper type coating is to be association of activity and inertia.It is relative motion caused by bodystock paper and spreading rod, coating is mainly to be kept by the mode of rolling in paper when applicable print roll coating manufacture paper with pulp step.Under normal circumstances, based on the control to coating paper overall quality, especially prevention coating kerf, de- material, bubble point the consideration of situations such as, it is generally that the surface roughness control of bodystock paper is very smooth in reduced levels, i.e. paper.But smooth paper is unfavorable for absorption and coating of the paper itself to coating and mutual good interaction during paper rapid osmotic, then, have only and reach the purpose of enough coatings by improving the rod pressure of spreading rod, but rod presses through high phenomena such as easily causing shake and the crawling of spreading rod, it is also possible to the scraper type coating increase trouble being subsequently connected, disconnected paper is directly contributed when serious, influences the normal operation of board.
The content of the invention
In view of this, it is necessary to which a kind of preparation method for the body paper that can effectively solve the above problems is provided.
A kind of body paper prepared using the above method is provided in addition, there is a need to.
In addition, it there is a need to coating paper made from a kind of application of offer above-mentioned body paper coating.
To solve the above problems, a kind of technical scheme provided by the invention is：A kind of preparation method of body paper, it comprises the following steps：
Slurry mix is provided, the slurry mix includes short fine wood pulp, mechanical pulp and the long fine wood pulp after defibrination respectively, and the freedom of the fine wood pulp of length wherein after defibrination is 320-360ml；
Dry the slurry mix；
Press polish is carried out to the dried slurry mix, body paper is made, to obtain the body paper of the roughness as 4.5-5.5um.
Wherein, the freedom of the short fine wood pulp after defibrination is 330-350ml, and the freedom of the mechanical pulp after defibrination is 200-250ml.
Wherein, in the slurry mix, the mass fraction of the short fine wood pulp after defibrination is 40-70%, and the mass fraction of the mechanical pulp after defibrination is 10-30%, and the mass fraction of the fine wood pulp of length after defibrination is 10-30%.
Wherein, when carrying out press polish, pressure limit value is 20~50N/mm.
Wherein, the short fine wood pulp is selected from least one of eucalyptus pulp, yearning between lovers wood pulp and birch pulp.
Wherein, the mechanical pulp is selected from least one of bleached chemical thermomechanical pulp, APMP.
Wherein, the fine wood pulp of length is selected from least one of dragon spruce slurry, fir slurry and Chinese hemlock spruce slurry.
Wherein, when carrying out press polish, the one kind of calendering equipment in roll-type calender, crown control calender.
To solve the above problems, another technical solution provided by the invention is：A kind of body paper is provided, the body paper is obtained by the preparation method using body paper described above.
To solve the above problems, another technical scheme provided by the invention is：A kind of coating paper, it is characterised in that the coating paper is made from above-mentioned body paper is coated.
Compared to prior art, body paper preparation method provided by the invention is by the way that the freedom of the fine wood pulp of length is controlled in 320~360ml, using the key step as adjustment body paper roughness, the adjustment to calendering pressure is to carry out booster action again, so that the roughness of prepared body paper is between 4.5-5.5um, so that the coating in follow-up roll-type coating process produces the mutual good interaction of absorption and infiltration with body paper, applied beneficial to coating is quickly upper, and excellent coating structure can be formed in the uniform fold on body paper surface.
Embodiment
With reference to embodiment, the present invention will be described in detail.
The present invention provides a kind of preparation method of body paper, comprises the following steps：
Step S101, slurry mix is provided, the slurry mix includes short fine wood pulp (the Leaf Bleached Kraft Pulp after defibrination respectively, LBKP), mechanical pulp and long fine wood pulp (Needle Bleached Kraft Pulp, NBKP), the freedom of the fine wood pulp of length after defibrination is 320-360ml, such as 320ml, 340ml, 360ml etc..
Wherein, the freedom of the short fine wood pulp after defibrination is 330-350ml, such as 330ml, 340ml, 350ml etc..The freedom of the mechanical pulp after defibrination is 200-250ml, such as 200ml, 230ml, 250ml etc..
Wherein, in the slurry mix, the mass fraction of the short fine wood pulp after defibrination is 40-70%, such as 40%, 50%, 60%, 70% etc..The mass fraction of the mechanical pulp after defibrination is 10-30%, such as 10%, 20%, 30% etc..The mass fraction of the fine wood pulp of length after defibrination is 10-30%, such as 10%, 20%, 30% etc..
Wherein, the short fine wood pulp is selected from least one of eucalyptus pulp, yearning between lovers wood pulp and birch pulp.The mechanical pulp is selected from bleached chemical thermomechanical pulp (Bleaching Chemical Thermal Mechanical Pulp, BCTMP), at least one of APMP (Alkaline Peroxide Mechanical Pulp, APMP).The fine wood pulp of length is selected from least one of dragon spruce slurry, fir slurry and Chinese hemlock spruce slurry.
It is appreciated that APMP may further be pre-preg APMP (Preconditioning Refiner Chemical treatment APMP, Prc-APMP).
Step S102, dry the slurry mix.
Step S103, press polish is carried out to the dried slurry mix, body paper is made, to obtain the body paper of the roughness as 4.5-5.5um.
Wherein, when carrying out press polish, pressure limit value is 20~50N/mm, such as 20N/mm, 30N/mm, 50N/mm etc..
It is appreciated that when carrying out press polish, the one kind of calendering equipment in roll-type calender, crown control calender.
Body paper preparation method provided by the invention by defibrination adjust short fine wood pulp and mechanical pulp freedom be used as adjustment body paper roughness basic step, and the freedom of the fine wood pulp of length is controlled in 320~360ml, using the key step as adjustment body paper roughness, the adjustment to calendering pressure is to carry out booster action again, so that the roughness of prepared body paper is between 4.5-5.5um, so that the coating in follow-up roll-type coating process produces the mutual good interaction of absorption and infiltration with body paper, applied beneficial to coating is quickly upper, and can be in the uniform fold on body paper surface, form excellent coating structure.
The present invention also provides a kind of body paper, and the body paper is obtained by the preparation method using above-mentioned body paper.
The roughness of body paper provided by the invention is between 4.5-5.5um, so that the coating in follow-up roll-type coating process produces the mutual good interaction of absorption and infiltration with body paper, applied beneficial to coating is quickly upper, and excellent coating structure can be formed in the uniform fold on body paper surface.
The present invention also provides a kind of coating paper, the coating paper be coated using above-mentioned body paper made from.
The roughness of the body paper of coating paper application provided by the invention is between 4.5-5.5um, so that the coating during print roll coating produces the mutual good interaction of absorption and infiltration with body paper, applied beneficial to coating is quickly upper, and excellent coating structure can be formed in the uniform fold on body paper surface.
Appropriate adjustment is carried out by the internal structure to bodystock paper and its apparent property, improve adaptability of the bodystock paper for various combination coating method (print roll coating+scraper type is coated with), its leading indicator is that the roughness of bodystock paper is promoted into 4.5~5.5 μm of sections, and strong support is provided for the smooth operating of coating operations.
The present invention is specifically described below by specific embodiment.
Control group：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination is 310ml, and Prc-APMP freedom is 180ml, NBKP freedom is 300ml, and the roughness for measuring body paper is 3.81-4.24.
Embodiment 1：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination rises to 330ml, and Prc-APMP freedom is 200ml, NBKP freedom is 320ml, and the roughness for measuring body paper is 4.52-5.14.
Embodiment 2：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination rises to 340ml, and Prc-APMP freedom is 220ml, NBKP freedom is 340ml, and the roughness for measuring body paper is 4.69-5.33.
Embodiment 3：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination rises to 350ml, and Prc-APMP freedom is 250ml, NBKP freedom is 360ml, and the roughness for measuring body paper is 4.88-5.48.
Embodiment 4：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination rises to 330ml, and Prc-APMP freedom is 200ml, NBKP freedom is 320ml, and the roughness for measuring body paper is 4.63-5.31.
Embodiment 5：
Wet end furnish LBKP/Prc-APMP/NBKP=65/15/20, maintain body paper in add ash content it is suitable on the premise of, the freedom of the LBKP after defibrination rises to 350ml, and Prc-APMP freedom is 250ml, NBKP freedom is 360ml, and the roughness for measuring body paper is 4.67-5.31.
Table one
It was found from the test result of table one：Under conditions of total coating weight maintains quite, coating running efficiency in control group is 91.3%, and the coating running efficiency in 1-5 of the embodiment of the present invention is all higher than 95%, coating running efficiency is obviously improved, and wherein the coating running efficiency in embodiment 2 is 100%.
Those skilled in the art can also make various modifications, addition and replacement in other forms and details in the claims in the present invention scope of disclosure and spirit.Certainly, the change such as these various modifications, addition and replacements for being made according to present invention spirit, should all be included within scope of the present invention.
Claims (10)
1. a kind of preparation method of body paper, it comprises the following steps：
Slurry mix is provided, the slurry mix include respectively the short fine wood pulp after defibrination,
Mechanical pulp and long fine wood pulp, the freedom of the fine wood pulp of length wherein after defibrination are
320-360ml；
Dry the slurry mix；
Press polish is carried out to the dried slurry mix, body paper is made, it is coarse to obtain
Spend the body paper for 4.5-5.5um.
2. according to the method for claim 1, it is characterised in that
The freedom of the short fine wood pulp after defibrination is 330-350ml, described after defibrination
The freedom of mechanical pulp is 200-250ml.
3. according to the method for claim 1, it is characterised in that
In the slurry mix, the mass fraction of the short fine wood pulp after defibrination is
40-70%, the mass fraction of the mechanical pulp after defibrination are 10-30%, the institute after defibrination
The mass fraction for stating long fine wood pulp is 10-30%.
4. according to the method for claim 1, it is characterised in that
When carrying out press polish, pressure limit value is 20~50N/mm.
5. according to the method for claim 1, it is characterised in that
The short fine wood pulp is selected from least one of eucalyptus pulp, yearning between lovers wood pulp and birch pulp.
6. according to the method for claim 1, it is characterised in that
The mechanical pulp is in bleached chemical thermomechanical pulp, APMP
At least one.
7. according to the method for claim 1, it is characterised in that
The fine wood pulp of length is selected from least one of dragon spruce slurry, fir slurry and Chinese hemlock spruce slurry.
8. according to the method for claim 1, it is characterised in that
When carrying out press polish, calendering equipment is in roll-type calender, crown control calender
It is a kind of.
9. a kind of body paper, it is characterised in that the body paper is to apply in claim 1-8 to appoint
Anticipate obtained by the preparation method of a body paper.
10. a kind of coating paper, it is characterised in that the coating paper is to apply claim 9
Described body paper is coated obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296570.9A CN107345376A (en) | 2016-05-06 | 2016-05-06 | Body paper and preparation method thereof, using body paper be coated with made from coating paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296570.9A CN107345376A (en) | 2016-05-06 | 2016-05-06 | Body paper and preparation method thereof, using body paper be coated with made from coating paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345376A true CN107345376A (en) | 2017-11-14 |
Family
ID=60254293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296570.9A Pending CN107345376A (en) | 2016-05-06 | 2016-05-06 | Body paper and preparation method thereof, using body paper be coated with made from coating paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345376A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011052330A (en) * | 2009-08-31 | 2011-03-17 | Nippon Paper Industries Co Ltd | Coated paper for printing |
| CN102261013A (en) * | 2011-07-07 | 2011-11-30 | 金东纸业（江苏）股份有限公司 | Art paper for printing of rotary press and manufacturing method thereof |
| CN102808350A (en) * | 2012-07-02 | 2012-12-05 | 金东纸业（江苏）股份有限公司 | Coated paper |
-
2016
- 2016-05-06 CN CN201610296570.9A patent/CN107345376A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011052330A (en) * | 2009-08-31 | 2011-03-17 | Nippon Paper Industries Co Ltd | Coated paper for printing |
| CN102261013A (en) * | 2011-07-07 | 2011-11-30 | 金东纸业（江苏）股份有限公司 | Art paper for printing of rotary press and manufacturing method thereof |
| CN102808350A (en) * | 2012-07-02 | 2012-12-05 | 金东纸业（江苏）股份有限公司 | Coated paper |
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Application publication date: 20171114 |