CN109777319B - Preparation method of corrugated paper glue and corrugated paper glue - Google Patents
Preparation method of corrugated paper glue and corrugated paper glue Download PDFInfo
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- CN109777319B CN109777319B CN201811565722.6A CN201811565722A CN109777319B CN 109777319 B CN109777319 B CN 109777319B CN 201811565722 A CN201811565722 A CN 201811565722A CN 109777319 B CN109777319 B CN 109777319B
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Abstract
The application relates to a preparation method of corrugated paper glue, which comprises 9 steps, wherein alkali, starch, a bridging agent, isopropanol and polyvinyl alcohol are sequentially added, the alkali, the stabilizer and borax are added for the second time, nonionic waterborne polyurethane, a surfactant and a bridging agent are added after the pH value is adjusted, the adding frequency and the adding time of the alkali are optimized, the pH value in the preparation process is ensured, the whole preparation time is reduced by multi-stage addition and stirring, the function of the alkali is more fully exerted, the nonionic waterborne polyurethane is added after the pH value is adjusted in the last step, the pH value is adjusted to prevent the pH value from influencing the nonionic waterborne polyurethane, the dissolution of the nonionic waterborne polyurethane is promoted by the surfactant and the bridging agent, and the agglomeration of the nonionic waterborne polyurethane is prevented. After the materials are added, the materials are stirred to ensure the uniformity of the materials, so that the finally obtained corrugated paper glue has strong cohesive force and a certain waterproof function.
Description
Technical Field
The application belongs to the technical field of corrugated paper preparation, and particularly relates to a preparation method of corrugated paper glue and the corrugated paper glue.
Background
The corrugated board is a plate-shaped object formed by bonding liner paper and corrugated paper processed by a corrugated roller, and the corrugated board is formed by bonding the liner paper, the core paper and the corrugated paper processed into corrugated flutes by corrugated paper glue. According to the requirement of commodity package, the corrugated board can be processed into single-sided corrugated boards, three-layer corrugated boards, five-layer corrugated boards, seven-layer corrugated boards, eleven-layer corrugated boards and the like. Single-sided corrugated cardboard is typically used as a protective liner for packaging goods or to make portable card grids and dunnage to protect goods from shock or impact during transportation for storage.
At present, the strength of corrugated paper glue is low, and the generation of high-strength corrugated boards is difficult to meet.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the defects in the prior art, the preparation method of the corrugated paper glue and the corrugated paper glue are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation method of corrugated paper glue comprises the following steps:
s1: 100 parts by mass of water is taken and put in a container, and the container is heated to 20 to 25 ℃ under the stirring condition;
s2: adding 1.8-2.2 parts of alkali into the container, and stirring for 70-85 s;
s3: adding 32-35 parts of starch, 0.75-0.8 part of bridging agent, 0.55-0.85 part of isopropanol and 8-9 parts of polyvinyl alcohol into a container, and stirring for 65-78 s;
s4: adding 1.8-2 parts of alkali into a container, and stirring for 90-110 s;
s5: adding 3.2-3.6 parts of alkali into the container, and stirring for 90-110 s;
s6: adding 0.35-0.4 part of stabilizer into the container, and stirring for 280-350 seconds;
s7: adding 0.70-0.80 part of borax into the container, and stirring for 380-450 seconds;
s8: adjusting the pH value to 7.5-8, adding 15-20 parts of non-ionic waterborne polyurethane, 1.5-3 parts of surfactant and 1.0-1.5 parts of bridging agent into a container, and stirring for 1000 seconds and 1500 seconds;
s9: and taking out the prepared glue.
Preferably, in the preparation method of the corrugated paper glue, the bridging agent is a corrugated board adhesive produced by san high stand starch chemical company ltd, dongxiang county.
Preferably, in the preparation method of the corrugated paper glue, the stabilizer is a corrugated board stabilizer of high stand starch chemical company, japan county, east China.
Preferably, in the preparation method of the corrugated paper glue, the starch is corn starch.
Preferably, in the preparation method of the corrugated paper glue, the alkali is sodium hydroxide.
Preferably, in the preparation method of the corrugated paper glue, the granularity of the borax is 40-80 meshes.
Preferably, in the preparation method of the corrugated paper glue, the viscosity of the glue is 15S.
Preferably, in the preparation method of the corrugated paper glue, in the steps S1-S8, the rotating speed of the stirring paddle is 1500-
Preferably, in the preparation method of the corrugated paper glue, the temperature is kept at 22-24 ℃ in steps S2-S8.
The invention also provides corrugated paper glue which is prepared by the preparation method of the corrugated paper glue.
The invention has the beneficial effects that:
the preparation method of the corrugated paper glue comprises 9 steps, wherein alkali, starch, a bridging agent, isopropanol and polyvinyl alcohol are sequentially added, secondary alkali addition, a stabilizing agent and borax are performed, nonionic waterborne polyurethane, a surfactant and the bridging agent are added after the pH is adjusted, the adding frequency and the adding time of the alkali are optimized, the pH value in the preparation process is ensured, the whole preparation time is reduced by multi-stage addition and stirring, the function of the alkali is more fully exerted, the nonionic waterborne polyurethane is added after the pH value is adjusted in the last step, the pH value is adjusted to prevent the influence of the pH value on the nonionic waterborne polyurethane, the dissolution of the nonionic waterborne polyurethane is promoted through the surfactant and the bridging agent, and the agglomeration of the nonionic waterborne polyurethane is prevented. After the materials are added, the materials are stirred to ensure the uniformity of the materials, so that the finally obtained corrugated paper glue has strong cohesive force and a certain waterproof function.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
The embodiment provides a preparation method of corrugated paper glue, which comprises the following steps:
s1: 100 parts by mass of water is taken and put in a container, and the container is heated to 20 ℃ under the stirring condition so as to ensure that the heat is uniform;
s2: adding 1.8 parts of alkali into the container and stirring for 70 s;
s3: adding 32 parts of starch, 0.75 part of bridging agent, 0.55-0 part of isopropanol and 8 parts of polyvinyl alcohol into a container, and stirring for 65 s;
s4: adding 1.8 parts of alkali into the container and stirring for 90 s;
s5: adding 3.2 parts of alkali into the container and stirring for 90 seconds;
s6: adding 0.35 part of stabilizer into a container and stirring for 280 seconds;
s7: adding 0.70 part of borax into the container, and stirring for 380 seconds;
s8: adjusting the pH value to 7.5, adding 15 parts of non-ionic waterborne polyurethane, 1.5 parts of surfactant and 1.0 part of bridging agent into a container, and stirring for 1000 s;
s9: and taking out the prepared glue.
Example 2
The embodiment provides a preparation method of corrugated paper glue, which comprises the following steps:
s1: 100 parts by mass of water is taken and put in a container, and the container is heated to 22 ℃ under the stirring condition so as to ensure that the heat is uniform;
s2: adding 2.0 parts of alkali into the container and stirring for 75 s;
s3: adding 33 parts of starch, 0.78 part of bridging agent, 0.70 part of isopropanol and 8.5 parts of polyvinyl alcohol into a container, and stirring for 70 s;
s4: adding 1.9 parts of alkali into the container and stirring for 100 s;
s5: adding 3.4 parts of alkali into the container and stirring for 100 s;
s6: adding 0.38 part of stabilizer into a container and stirring for 300 s;
s7: adding 0.75 part of borax into the container, and stirring for 420 s;
s8: adjusting the pH value to 7.8, adding 18 parts of non-ionic waterborne polyurethane, 2.2 parts of surfactant and 1.2 parts of bridging agent into a container, and stirring for 1200 s;
s9: and taking out the prepared glue.
Example 3
The embodiment provides a preparation method of corrugated paper glue, which comprises the following steps:
s1: 100 parts by mass of water is taken and put in a container, and the container is heated to 25 ℃ under the stirring condition so as to ensure that the heat is uniform;
s2: adding 2.2 parts of alkali into the container and stirring for 85 s;
s3: adding 35 parts of starch, 0.8 part of bridging agent, 0.85 part of isopropanol and 9 parts of polyvinyl alcohol into a container, and stirring for 78 seconds;
s4: adding 2 parts of alkali into the container and stirring for 110 s;
s5: adding 3.6 parts of alkali into the container and stirring for 110 s;
s6: adding 0.4 part of stabilizer into a container and stirring for 350 seconds;
s7: adding 0.80 part of borax into the container, and stirring for 450 s;
s8: adjusting the pH value to 8, adding 20 parts of non-ionic waterborne polyurethane, 3 parts of surfactant and 1.5 parts of bridging agent into a container, and stirring for 1500 seconds;
s9: and taking out the prepared glue.
The preparation method of the corrugated paper glue of the embodiment comprises 9 steps, wherein alkali, starch, bridging agent, isopropanol and polyvinyl alcohol are sequentially added, secondary alkali addition, stabilizing agent and borax are performed, nonionic waterborne polyurethane, surfactant and bridging agent are added after the pH is adjusted, the adding frequency and adding time of the alkali are optimized, the pH value in the preparation process is guaranteed, the whole preparation time is reduced by multi-stage addition and stirring, the effect of the alkali is more fully exerted, the nonionic waterborne polyurethane is added after the pH value is adjusted in the last step, the pH value is adjusted to prevent the influence of the pH value on the nonionic waterborne polyurethane, the dissolution of the nonionic waterborne polyurethane is promoted through the surfactant and the bridging agent, and the agglomeration of the nonionic waterborne polyurethane is prevented. After the materials are added, the materials are stirred to ensure the uniformity of the materials, so that the finally obtained corrugated paper glue has strong cohesive force and a certain waterproof function.
In examples 1-3, the materials selected were: the bridging agent is a corrugated board adhesive produced by Dongxiang county Xin Stand high starch chemical industry Co. The stabilizer is a corrugated board stabilizer of Dongxiang county Xin Stand high starch chemical industry Co. The starch is corn starch. The alkali is sodium hydroxide. The granularity of the borax is 40-80 meshes. The viscosity of the glue is 15S.
In the steps S1-S8, the rotating speed of a stirring paddle is 1500-.
Examples 4 to 6
Examples 4 to 6 are corrugated paper glues prepared by the methods of examples 1 to 3, respectively.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The preparation method of the corrugated paper glue is characterized by comprising the following steps:
s1: 100 parts by mass of water is taken and put in a container, and the container is heated to 20 to 25 ℃ under the stirring condition;
s2, adding 1.8-2.2 parts of alkali into the container, and stirring for 70-85S;
s3, adding 32-35 parts of starch, 0.75-0.8 part of bridging agent, 0.55-0.85 part of isopropanol and 8-9 parts of polyvinyl alcohol into a container, and stirring for 65-78S;
s4, adding 1.8-2 parts of alkali into the container, and stirring for 90-110S;
s5, adding 3.2-3.6 parts of alkali into the container, and stirring for 90-110S;
s6, adding 0.35-0.4 part of stabilizer into the container, and stirring for 280-350S;
s7, adding 0.70-0.80 part of borax into the container, and stirring for 380-450S;
s8, adjusting the pH value to 7.5-8, adding 15-20 parts of non-ionic waterborne polyurethane, 1.5-3 parts of surfactant and 1.0-1.5 parts of bridging agent into a container, and stirring for 1000-1500S;
s9, taking out the prepared glue;
wherein, in the steps S1-S8, the rotating speed of the stirring paddle is 1500-2000 rpm;
in the steps S2-S8, the temperature is kept at 22-24 ℃;
the granularity of the borax is 40-80 meshes;
the viscosity of the prepared glue is 15S.
2. The preparation method of the corrugated paper glue according to claim 1, wherein the bridging agent is a corrugated board adhesive produced by Dongxiang Xin high starch chemical Co.
3. The method for preparing the corrugated paper glue according to claim 1 or 2, wherein the stabilizer is a corrugated board stabilizer from san Yi starch chemical company, ltd, Dongxiang county.
4. The method for preparing corrugated paper glue according to any one of claims 1-2, wherein the starch is corn starch.
5. The method for preparing corrugated paper glue according to any one of claims 1-2, wherein the alkali is sodium hydroxide.
6. Corrugated paper glue, characterized in that it is prepared by the method of any one of claims 1-2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811565722.6A CN109777319B (en) | 2018-12-20 | 2018-12-20 | Preparation method of corrugated paper glue and corrugated paper glue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811565722.6A CN109777319B (en) | 2018-12-20 | 2018-12-20 | Preparation method of corrugated paper glue and corrugated paper glue |
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| Publication Number | Publication Date |
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| CN109777319A CN109777319A (en) | 2019-05-21 |
| CN109777319B true CN109777319B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110791228B (en) * | 2019-11-29 | 2020-12-25 | 安乡中意彩印包装有限责任公司 | Method for improving viscosity and stability of glue for packaging |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180028075A (en) * | 2016-09-07 | 2018-03-16 | 황덕현 | Moisture fungus prevention of carcinogens - Manufacture of full-adhesive materials and fireproof building materials of polite powder |
| CN108003814A (en) * | 2017-11-24 | 2018-05-08 | 天长市天翔包装有限公司 | A kind of production technology of corrosion-resistant corrugated board glue |
| CN108034386A (en) * | 2017-11-24 | 2018-05-15 | 天长市天翔包装有限公司 | A kind of environmental protection adhesive for corrugated paperboard and preparation method thereof |
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- 2018-12-20 CN CN201811565722.6A patent/CN109777319B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180028075A (en) * | 2016-09-07 | 2018-03-16 | 황덕현 | Moisture fungus prevention of carcinogens - Manufacture of full-adhesive materials and fireproof building materials of polite powder |
| CN108003814A (en) * | 2017-11-24 | 2018-05-08 | 天长市天翔包装有限公司 | A kind of production technology of corrosion-resistant corrugated board glue |
| CN108034386A (en) * | 2017-11-24 | 2018-05-15 | 天长市天翔包装有限公司 | A kind of environmental protection adhesive for corrugated paperboard and preparation method thereof |
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| CN109777319A (en) | 2019-05-21 |
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