CN112175554A - Preparation method of corrugated paper adhesive - Google Patents
Preparation method of corrugated paper adhesive Download PDFInfo
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- CN112175554A CN112175554A CN202011298434.6A CN202011298434A CN112175554A CN 112175554 A CN112175554 A CN 112175554A CN 202011298434 A CN202011298434 A CN 202011298434A CN 112175554 A CN112175554 A CN 112175554A
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- CN
- China
- Prior art keywords
- preparation
- starch
- sodium dodecyl
- dodecyl sulfate
- corrugated paper
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/02—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to polysaccharides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a preparation method of a corrugated paper adhesive; relates to the technical field of corrugated paper, comprising the following steps: (1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution; (2) heating the sodium dodecyl sulfate solution to 80-90 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid; (3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid; (4) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 15-20 min; the corrugated paper adhesive prepared by the method has excellent bonding strength, and the comprehensive performance of the starch can be greatly improved by processing the starch.
Description
Technical Field
The invention belongs to the technical field of corrugated paper, and particularly relates to a preparation method of a corrugated paper adhesive.
Background
The corrugated board is light in weight, cheap in price, wide in application, simple in manufacture, and capable of being recycled and even reused at the beginning of 18 th century and 19 th century, so that the application of the corrugated board is remarkably increased. And has been widely popularized, popularized and applied to the manufacture and packaging of various commodities. Because the packaging material made of the corrugated board has unique performance and advantages for beautifying and protecting the goods in the corrugated board, the packaging material has great success in competition with various packaging materials, but the liner paper and the corrugated board in the corrugated board generally adopt starch-based materials as adhesives at present, and the initial adhesive force of the liner paper and the corrugated board can not meet the requirement. Therefore, there is a need for improvement in the art to improve its adhesion.
Disclosure of Invention
The invention aims to provide a preparation method of a corrugated paper adhesive, which aims to overcome the defects in the prior art.
The technical scheme adopted by the invention is as follows:
a preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 80-90 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 15-20 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 5-8%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Has the advantages that:
the corrugated paper adhesive prepared by the method has excellent bonding strength, the comprehensive performance of the starch can be greatly improved by processing the starch, and the molecular chain of the starch can show more excellent pasting property, so that the bonding strength of the prepared adhesive is greatly improved, and the adhesive can be better homogenized by ultrasonic field processing.
Detailed Description
A preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 80-90 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 15-20 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 5-8%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
The following will clearly and completely describe the technical solutions of the embodiments of the present invention, 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.
Example 1
A preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 80 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 15 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 5%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Example 2
A preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 90 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 20 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 8%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Example 3
A preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 82 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 16 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 7%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Example 4
A preparation method of a corrugated paper adhesive comprises the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 83 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 18 min.
As a further technical scheme: the mass fraction of the sodium dodecyl sulfate solution is 6.2%.
As a further technical scheme: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
As a further technical scheme: the starch is soybean starch.
As a further technical scheme: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
As a further technical scheme: the initiator is benzoyl peroxide.
As a further technical scheme: the inert atmosphere is a nitrogen atmosphere.
As a further technical scheme: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Test of
TABLE 1
| Adhesive strength MPa | |
| Example 1 | 0.18 |
| Example 2 | 0.15 |
| Example 3 | 0.23 |
| Example 4 | 0.22 |
As can be seen from table 1, the corrugated paper adhesive prepared by the method of the present invention has excellent adhesive strength.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the illustrated embodiments, and all the modifications and equivalents of the embodiments may be made without departing from the spirit of the present invention.
Claims (8)
1. The preparation method of the corrugated paper adhesive is characterized by comprising the following steps:
(1) adding sodium dodecyl sulfate into deionized water, heating to 65 ℃, and stirring at the rotating speed of 1200r/min for 30min to obtain a sodium dodecyl sulfate solution;
(2) heating the sodium dodecyl sulfate solution to 80-90 ℃, preserving heat for 15min, then adding starch into the sodium dodecyl sulfate solution, preserving heat and stirring for 1 hour to obtain a starch dispersion liquid;
(3) adding polyvinyl alcohol, acrylate and an initiator into the starch dispersion liquid, and then stirring for 2 hours at the rotating speed of 1200r/min under the protection of inert atmosphere to obtain a composite liquid;
(4) and (3) placing the composite liquid in an ultrasonic field for ultrasonic treatment for 15-20 min.
2. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the mass fraction of the sodium dodecyl sulfate solution is 5-8%.
3. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the mixing mass ratio of the sodium dodecyl sulfate solution to the starch is 5-7: 3.
4. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the starch is soybean starch.
5. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the starch dispersion liquid, polyvinyl alcohol, acrylate and an initiator are mixed according to the mass ratio: 80:6:3:0.5.
6. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the initiator is benzoyl peroxide.
7. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the inert atmosphere is a nitrogen atmosphere.
8. The preparation method of the corrugated paper adhesive as claimed in claim 1, wherein the preparation method comprises the following steps: the frequency in the ultrasonic field is 30kHz, and the power is 500W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298434.6A CN112175554A (en) | 2020-11-19 | 2020-11-19 | Preparation method of corrugated paper adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298434.6A CN112175554A (en) | 2020-11-19 | 2020-11-19 | Preparation method of corrugated paper adhesive |
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| Publication Number | Publication Date |
|---|---|
| CN112175554A true CN112175554A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011298434.6A Pending CN112175554A (en) | 2020-11-19 | 2020-11-19 | Preparation method of corrugated paper adhesive |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031078A (en) * | 2010-12-01 | 2011-04-27 | 江南大学 | Starch-based wood adhesive and preparation method and application thereof |
| CN105463929A (en) * | 2013-11-08 | 2016-04-06 | 花园新材料股份有限公司 | Low gram weight reinforced lightweight corrugated sizing process |
| US20200239750A1 (en) * | 2018-09-14 | 2020-07-30 | Jiangnan University | Thermosetting Starch Adhesive For Wood-based Panel and Preparation Method Therefor |
-
2020
- 2020-11-19 CN CN202011298434.6A patent/CN112175554A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031078A (en) * | 2010-12-01 | 2011-04-27 | 江南大学 | Starch-based wood adhesive and preparation method and application thereof |
| CN105463929A (en) * | 2013-11-08 | 2016-04-06 | 花园新材料股份有限公司 | Low gram weight reinforced lightweight corrugated sizing process |
| US20200239750A1 (en) * | 2018-09-14 | 2020-07-30 | Jiangnan University | Thermosetting Starch Adhesive For Wood-based Panel and Preparation Method Therefor |
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Application publication date: 20210105 |
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