CN111321628A - Method for producing paper by using high-barrier material - Google Patents
Method for producing paper by using high-barrier material Download PDFInfo
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- CN111321628A CN111321628A CN202010141355.8A CN202010141355A CN111321628A CN 111321628 A CN111321628 A CN 111321628A CN 202010141355 A CN202010141355 A CN 202010141355A CN 111321628 A CN111321628 A CN 111321628A
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- percent
- paper
- barrier material
- raw materials
- coating
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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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses a method for producing paper by using a high-barrier material, which comprises the following steps of (1): preparing raw materials, wherein the raw materials comprise 63-95% of polyolefin dispersoid, 0-0.75% of dispersing agent, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass. Step (2): adding the raw materials in the step (1) into a vacuum stirrer for mixing to prepare a high-barrier material; and (3): hermetically storing the high-barrier material obtained in the step (2) into a tank body; and (4): and (4) uniformly coating the high-barrier-performance material in the step (3) on the surface of the paper. The invention evenly coats the high-barrier property material on the surface of the paper, so that the paper has good waterproof and oil-proof effects, can be applied to the production of paper such as hot cup paper, oil-proof paper and the like, and has the advantages of low production cost, simplicity and environmental protection.
Description
Technical Field
The invention relates to the technical field of high-barrier paper, in particular to a method for producing paper by using a high-barrier material.
Background
The water-proof and oil-proof treatment of the paper surface is difficult to achieve, even if the water-proof and oil-proof treatment is achieved, environmentally-friendly materials are required to be used, and certain materials used have potential harm to human bodies. For example, in daily life, in order to promote good waterproof effect of paper, a PE film is generally sprayed on the surface of the paper, and the spraying amount is more than or equal to 20 g/square meter, so that good waterproof effect is achieved. Furthermore, as the oil-proof paper frequently used by people is generally coated with a layer of fluororesin on the surface of the paper, fluorine has potential risks to human bodies, and the price of the fluororesin is high. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for producing paper by using a high-barrier material, which is low in production cost, simple and environment-friendly.
The invention is realized by the following technical scheme:
a method for producing paper by using high-barrier material comprises the following steps,
step (1): preparing raw materials, wherein the raw materials comprise 63-95% of polyolefin dispersoid, 0-0.75% of dispersing agent, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass;
step (2): adding the raw materials in the step (1) into a vacuum stirrer for mixing, and stirring for 45 minutes to obtain a high-barrier material;
and (3): hermetically storing the high-barrier material obtained in the step (2) in a tank body at the storage temperature of 25 ℃ in a shading way;
and (4): and (3) uniformly coating the high-barrier-performance material on the surface of paper, wherein the coating quantity of the paper is more than or equal to 8.0 g/square meter, and the coating thickness is 5-10 mu m.
Further, the step (4) adopts film transfer sizing machine coating or blade coating or air knife coating or metering rod coating or curtain coating.
Further, the coating weight of the paper in the step (4) is 10g per square meter.
Further, the coating thickness of the step (4) is 8 μm.
Further, the raw materials comprise 96.25% of polyolefin dispersoid, 0.75% of dispersing agent, 1% of stabilizing agent, 1% of waterproofing agent and 1% of defoaming agent by mass percentage.
Further, the raw materials comprise, by mass, 95.25% of a polyolefin dispersion, 0.75% of a dispersant, 2% of a stabilizer, 1% of a water repellent and 1% of a defoaming agent.
Further, the raw materials comprise 94.25% of polyolefin dispersion, 0.75% of dispersing agent, 3% of stabilizing agent, 1% of waterproofing agent and 1% of defoaming agent by mass percentage.
Further, the raw material comprises 95.25% of polyolefin dispersion, 0.75% of dispersing agent, 3% of stabilizing agent and 1% of defoaming agent by mass percentage.
Further, the raw materials comprise 74.25% of polyolefin dispersoid, 0.75% of dispersing agent, 3% of stabilizing agent, 20% of anionic surface glue starch, 1% of waterproof agent and 1% of defoaming agent by mass percentage.
Further, the raw materials comprise 64.25% of polyolefin dispersoid, 0.75% of dispersing agent, 3% of stabilizing agent, 30% of anionic surface glue starch, 1% of waterproof agent and 1% of defoaming agent by mass percentage.
Compared with the prior art, the high-barrier material is prepared by adding raw materials comprising 63-95% of polyolefin dispersoid, 0-0.75% of dispersing agent, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass into a vacuum mixer for mixing, and then uniformly coating the high-barrier material on the surface of paper, so that the paper has good waterproof and oil-proof effects, can be applied to the production of paper such as hot-cup paper, oil-proof paper and the like, and has the advantages of low production cost, simplicity and environmental protection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for producing paper by using high-barrier material comprises the following steps,
step (1): preparing raw materials, wherein the raw materials comprise 63-95% of polyolefin dispersoid, 0-0.75% of dispersing agent, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass.
Step (2): and (2) adding the raw materials in the step (1) into a vacuum stirrer for mixing, wherein the stirring speed of the vacuum stirrer is 1250r/min, and stirring for 45 minutes to obtain the high-barrier material.
And (3): and (3) hermetically storing the high-barrier material obtained in the step (2) in a tank body at the storage temperature of 25 ℃ in a shading way.
And (4): and (3) uniformly coating the high-barrier-performance material on the surface of paper, wherein the coating quantity of the paper is more than or equal to 8.0 g/square meter, and the coating thickness is 5-10 mu m. As a specific embodiment, step (4) employs film transfer size press coating or blade coating or air knife coating or metering rod coating or curtain coating. As a specific embodiment, the paper of step (4) has a coating weight of 10 grams per square meter. As a specific embodiment, the coating thickness of step (4) is 8 μm.
The polyolefin dispersion has good barrier property, the film forming effect is achieved through a coating mode, and gaps on a paper surface can be completely covered and closed after uniform coating, so that the barrier property is achieved.
The dispersing agent is used for preventing the polyolefin dispersion from layering and precipitating during long-time standing or production.
Stabilizers, to prevent the polyolefin dispersion from maintaining good stability over long periods of time or during production.
Anionic surface glue starch, in order to reduce the production cost.
The waterproof agent has good waterproof effect after being dried.
The defoaming agent has the functions of eliminating bubbles in the coating and inhibiting the generation of bubbles. Avoiding the generation of bubbles in the coating due to turbulent flow in the production process to cause paper defects.
By the following examples, the preparation method of the present invention produces high barrier paper using raw materials in different proportions.
Example 1:
the raw materials comprise 96.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 1 percent of stabilizer, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
Example 2:
the raw materials comprise, by mass, 95.25% of polyolefin dispersion, 0.75% of dispersing agent, 2% of stabilizer, 1% of waterproofing agent and 1% of defoaming agent.
Example 3:
the raw materials comprise 94.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
Example 4:
the raw materials comprise 95.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer and 1 percent of defoaming agent according to mass percentage.
Example 5:
the raw materials comprise 74.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 20 percent of anionic surface adhesive starch, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
Example 6:
the raw materials comprise 64.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 30 percent of anionic surface adhesive starch, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
Table 1 shows the data of the papers obtained in examples 1 to 6, which shows that the higher the content of the polyolefin dispersion in the raw material by mass, the better the water and oil repellency of the paper.
Table 1 inspection data of paper sheets obtained in examples 1 to 6
| Coating weight (g/square meter) | COBB(g/㎡) | KIT test (level) | Folding KITtest (grade) | |
| Example 1 | 9.8 | 2.1 | 10 | 10 |
| Example 2 | 10.1 | 1.62 | 12 | 12 |
| Example 3 | 10.2 | 1.32 | 12 | 12 |
| Example 4 | 9.9 | 1.1 | 12 | 12 |
| Example 5 | 9.8 | 2.3 | 9 | 9 |
| Example 6 | 10.2 | 3.5 | 8 | 6 |
The high-barrier material is prepared by adding raw materials comprising 63-95% of polyolefin dispersoid, 0-0.75% of dispersant, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass into a vacuum mixer for mixing, and then uniformly coating the high-barrier material on the surface of paper, so that the paper has good waterproof and oil-proof effects, can be applied to the production of paper such as hot-cup paper, oil-proof paper and the like, and has the advantages of low production cost, simplicity and environmental protection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method for producing paper by using high-barrier material is characterized in that: comprises the following steps of (a) carrying out,
step (1): preparing raw materials, wherein the raw materials comprise 63-95% of polyolefin dispersoid, 0-0.75% of dispersing agent, 1-5% of stabilizer, 0-30% of anionic surface adhesive starch, 0-1% of waterproof agent and 0-1% of defoaming agent in percentage by mass;
step (2): adding the raw materials in the step (1) into a vacuum stirrer for mixing, and stirring for 45 minutes to obtain a high-barrier material;
and (3): hermetically storing the high-barrier material obtained in the step (2) in a tank body at the storage temperature of 25 ℃ in a shading way;
and (4): and (3) uniformly coating the high-barrier-performance material on the surface of paper, wherein the coating quantity of the paper is more than or equal to 8.0 g/square meter, and the coating thickness is 5-10 mu m.
2. The method of producing paper using high barrier material according to claim 1, wherein: the coating weight of the paper in the step (4) is 10g per square meter.
3. The method of producing paper using high barrier material according to claim 1, wherein: the coating thickness of the step (4) is 8 μm.
4. The method of producing paper using high barrier material according to claim 1, wherein: and (4) adopting film transfer sizing machine coating or blade coating or air knife coating or metering rod coating or curtain coating.
5. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise 96.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 1 percent of stabilizer, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
6. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise, by mass, 95.25% of polyolefin dispersion, 0.75% of dispersing agent, 2% of stabilizer, 1% of waterproofing agent and 1% of defoaming agent.
7. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise 94.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
8. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise, by mass, 95.25% of polyolefin dispersion, 0.75% of dispersant, 3% of stabilizer and 1% of defoamer.
9. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise 74.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 20 percent of anionic surface adhesive starch, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
10. The method of producing paper using high barrier material according to claim 1, wherein: the raw materials comprise 64.25 percent of polyolefin dispersoid, 0.75 percent of dispersant, 3 percent of stabilizer, 30 percent of anionic surface adhesive starch, 1 percent of waterproofing agent and 1 percent of defoaming agent according to mass percentage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141355.8A CN111321628A (en) | 2020-03-04 | 2020-03-04 | Method for producing paper by using high-barrier material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141355.8A CN111321628A (en) | 2020-03-04 | 2020-03-04 | Method for producing paper by using high-barrier material |
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| CN111321628A true CN111321628A (en) | 2020-06-23 |
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| CN202010141355.8A Pending CN111321628A (en) | 2020-03-04 | 2020-03-04 | Method for producing paper by using high-barrier material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282346A (en) * | 1997-11-12 | 2001-01-31 | 陶氏化学公司 | Agueous dispersions or emulsions of interpolymers of alpha-olefin(S)/hindered vinylidene aromatic monomer(S) |
| CN101356314A (en) * | 2005-12-15 | 2009-01-28 | 陶氏环球技术公司 | Improved cellulose articles containing an additive composition |
| CN106605025A (en) * | 2014-04-09 | 2017-04-26 | 美真纸板有限公司 | Coated cardboard and method of producing same |
| CN109535867A (en) * | 2018-12-24 | 2019-03-29 | 福建师范大学福清分校 | A kind of high barrier PVA coating fluid and preparation method thereof |
-
2020
- 2020-03-04 CN CN202010141355.8A patent/CN111321628A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282346A (en) * | 1997-11-12 | 2001-01-31 | 陶氏化学公司 | Agueous dispersions or emulsions of interpolymers of alpha-olefin(S)/hindered vinylidene aromatic monomer(S) |
| CN101356314A (en) * | 2005-12-15 | 2009-01-28 | 陶氏环球技术公司 | Improved cellulose articles containing an additive composition |
| CN106605025A (en) * | 2014-04-09 | 2017-04-26 | 美真纸板有限公司 | Coated cardboard and method of producing same |
| CN109535867A (en) * | 2018-12-24 | 2019-03-29 | 福建师范大学福清分校 | A kind of high barrier PVA coating fluid and preparation method thereof |
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Application publication date: 20200623 |
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