CN110903770A - Bonding glue for machine-pressed plates and preparation method thereof - Google Patents
Bonding glue for machine-pressed plates and preparation method thereof Download PDFInfo
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- CN110903770A CN110903770A CN201911296846.3A CN201911296846A CN110903770A CN 110903770 A CN110903770 A CN 110903770A CN 201911296846 A CN201911296846 A CN 201911296846A CN 110903770 A CN110903770 A CN 110903770A
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses an adhesive glue for a machine-pressed board and a preparation method thereof. The glue is prepared from the following raw materials in parts by weight; 20-30 parts of emulsified epoxy resin, 10-20 parts of vinyl acetate, 15-25 parts of polyisobutyl ester, 30-40 parts of phenolic resin, 20-30 parts of polyvinyl alcohol, 13-35 parts of ethyl acetate, 10-20 parts of isopropanol, 3-10 parts of sodium bicarbonate, 10-15 parts of sodium dodecyl benzene sulfonate, 2-8 parts of potassium persulfate, 10-15 parts of formic acid, 5-10 parts of an emulsifier, 6-14 parts of an anti-aging agent, 4-9 parts of softening oil and 3-9 parts of a flame retardant. The invention has the advantages that the bonding glue is not easy to oxidize, the bonding effect is good, the machine-pressed board prepared by the bonding glue is not easy to break, the physical property is good, and the service life is long.
Description
Technical Field
The invention relates to an adhesive glue, in particular to an adhesive glue for a machine-pressed plate and a preparation method thereof.
Background
The mechanical pressing plate of the company is manufactured by adopting waste wood to be crushed, spreading the crushed wood layer by layer, spraying glue on the surface, spreading the crushed wood layer by layer, performing compression molding, repeatedly spreading, spraying glue, performing compression bonding molding to reach the corresponding thickness, and performing subsequent processing. Therefore, the performance and the service life of the machine-pressed board are closely related to the glue, and the machine-pressed board prepared by the existing glue has the following problems: after the glue is contacted with oxygen in the air, the glue is easy to oxidize, the bonding performance is reduced, and the machine-pressed board is easy to delaminate in subsequent use; after the glue is dried, if the hardness is too high, brittle fracture can easily occur, and the glue is easy to break in the process of mechanically pressing the plate; if the hardness of the dried glue is too low, the glue cannot achieve the bonding effect, and the strength of the mechanically pressed board is also affected. Therefore, in order to solve the above problems, the company developed an adhesive for machine-pressing plates and a preparation method thereof.
Disclosure of Invention
The invention aims to provide bonding glue for machine-pressed plates and a preparation method thereof. The invention has the characteristics of difficult oxidation of the bonding glue, good bonding effect, difficult fracture of the machine-pressed board prepared by adopting the bonding glue, good physical property and long service life.
The technical scheme of the invention is as follows: the adhesive glue for the machine-pressed board is prepared from the following raw materials in parts by weight; 20-30 parts of emulsified epoxy resin, 10-20 parts of vinyl acetate, 15-25 parts of polyisobutyl ester, 30-40 parts of phenolic resin, 20-30 parts of polyvinyl alcohol, 13-35 parts of ethyl acetate, 10-20 parts of isopropanol, 3-10 parts of sodium bicarbonate, 10-15 parts of sodium dodecyl benzene sulfonate, 2-8 parts of potassium persulfate, 10-15 parts of formic acid, 5-10 parts of an emulsifier, 6-14 parts of an anti-aging agent, 4-9 parts of softening oil and 3-9 parts of a flame retardant.
In the adhesive glue of the machine-pressed board, the glue is prepared from the following raw materials in parts by weight; 22-28 parts of emulsified epoxy resin, 13-17 parts of vinyl acetate, 17-22 parts of polyisobutyl ester, 33-37 parts of phenolic resin, 22-28 parts of polyvinyl alcohol, 15-30 parts of ethyl acetate, 12-18 parts of isopropanol, 5-8 parts of sodium bicarbonate, 12-14 parts of sodium dodecyl benzene sulfonate, 3-6 parts of potassium persulfate, 11-14 parts of formic acid, 6-8 parts of an emulsifier, 8-12 parts of an anti-aging agent, 5-8 parts of softening oil and 4-8 parts of a flame retardant.
In the adhesive glue of the machine-pressed board, the glue is prepared from the following raw materials in parts by weight; 26 parts of emulsified epoxy resin, 15 parts of vinyl acetate, 19 parts of polyisobutyl ester, 35 parts of phenolic resin, 24 parts of polyvinyl alcohol, 20 parts of ethyl acetate, 16 parts of isopropanol, 6 parts of sodium bicarbonate, 13 parts of sodium dodecyl benzene sulfonate, 5 parts of potassium persulfate, 13 parts of formic acid, 7 parts of emulsifier, 10 parts of anti-aging agent, 7 parts of softening oil and 6 parts of flame retardant.
In the preparation method of the adhesive glue for the machine-pressed plate of the machine-pressed plate, the preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin for 2-3h to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring for 1-2h to obtain a product b;
C. adding emulsifier, anti-aging agent, softening oil and fire retardant into product b, heating and stirring for 2-3h, keeping the temperature for 1-2h, and naturally cooling to obtain the final product.
In the preparation method of the adhesive glue for the mechanically pressed plate, in the step a, the heating and stirring temperature is 180-250 ℃.
In the preparation method of the adhesive for the mechanically pressed board, in the step B, the heating and stirring temperature is 100-120 DEG C
In the preparation method of the bonding glue for the machine-pressed plates, in the step C, the heating and stirring temperature is 70-90 ℃, and the heat preservation temperature is 60-80 ℃.
Compared with the prior art, the adhesive glue disclosed by the invention is not easy to oxidize after being contacted with oxygen in the air, the adhesive property is good, the hardness is moderate after the adhesive glue is dried, and the condition that the hardness is too high or too low in the prior art is avoided. The method comprises the steps of laying a layer of crushed wood, spraying the adhesive glue on the surface of the crushed wood, laying a layer of crushed wood, performing compression molding, repeatedly laying, spraying the adhesive glue, performing compression bonding molding to a corresponding thickness, and performing subsequent processing to obtain the machine-pressed board.
Experiments prove that:
the inventor adopts the adhesive glue prepared in the embodiment to prepare a machine-pressed plate with the thickness of 1.5cm by the existing technology of tiling, glue spraying and pressing adhesive forming, namely the invention 1; placing the mechanically pressed sheet material of the invention 1 for 12 hours at the temperature of 70-80 ℃ in an oxygen environment to obtain the invention 2; a machine-pressed plate with the thickness of 1.5cm is prepared by adopting the glue in the prior art as a comparison group 1; and (3) placing the mechanically pressed plate of the control group 1 for 12 hours at the temperature of 70-80 ℃ in an oxygen environment to obtain a control group 2. The inventors respectively tested the tensile strength, yield strength and puncture resistance of the invention 1, the invention 2, the control group 1 and the control group 2, and the structures are shown in table 1:
table 1 performance testing of the press plates of the present invention versus the existing press plates
As can be seen from the table 1, compared with the prior art, the detection of the tensile strength, the yield strength and the puncture resistance of the machine-pressed board prepared by using the bonding glue of the invention is improved, and the bonding glue of the invention is not easy to oxidize and has good bonding performance, so that the machine-pressed board prepared by using the bonding glue of the invention has the characteristics of difficult fracture, good physical performance and long service life.
In conclusion, the invention has the advantages that the bonding glue is not easy to oxidize, the bonding effect is good, the machine-pressed board prepared by the bonding glue is not easy to break, the physical property is good, and the service life is long.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Example 1. An adhesive for mechanically pressed plates is prepared from the following raw materials; 20kg of emulsified epoxy resin, 10kg of vinyl acetate, 15kg of polyisobutyl ester, 30kg of phenolic resin, 20kg of polyvinyl alcohol, 13kg of ethyl acetate, 10kg of isopropanol, 3kg of sodium bicarbonate, 10kg of sodium dodecyl benzene sulfonate, 2kg of potassium persulfate, 10kg of formic acid, 5kg of emulsifier, 6kg of anti-aging agent, 4kg of softening oil and 3kg of flame retardant.
The preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin at 180 ℃ for 2 hours to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring at 100 ℃ for 1h to obtain a product b;
C. adding emulsifier, antiaging agent, softening oil and fire retardant into product b, heating and stirring at 70 deg.C for 2 hr, keeping at 60 deg.C for 1 hr, and naturally cooling to obtain the final product.
Example 2. An adhesive for mechanically pressed plates is prepared from the following raw materials; 28kg of emulsified epoxy resin, 12kg of vinyl acetate, 23kg of polyisobutyl ester, 35kg of phenolic resin, 24kg of polyvinyl alcohol, 30kg of ethyl acetate, 14kg of isopropanol, 8kg of sodium bicarbonate, 14kg of sodium dodecyl benzene sulfonate, 3kg of potassium persulfate, 14kg of formic acid, 8kg of emulsifier, 12kg of anti-aging agent, 5kg of softening oil and 6kg of flame retardant.
The preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin at 200 ℃ for 2.5 hours to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring at 110 ℃ for 1.5h to obtain a product b;
C. adding emulsifier, antiaging agent, softening oil and fire retardant into product b, heating and stirring at 80 deg.C for 2.5h, keeping the temperature at 70 deg.C for 1.5h, and naturally cooling to obtain the final product.
Example 3. An adhesive for mechanically pressed plates is prepared from the following raw materials; 28kg of emulsified epoxy resin, 15kg of vinyl acetate, 20kg of polyisobutyl ester, 38kg of phenolic resin, 22kg of polyvinyl alcohol, 20kg of ethyl acetate, 18kg of isopropanol, 7kg of sodium bicarbonate, 11kg of sodium dodecyl benzene sulfonate, 7kg of potassium persulfate, 12kg of formic acid, 9kg of emulsifier, 12kg of anti-aging agent, 5kg of softening oil and 7kg of flame retardant.
The preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin at 230 ℃ for 3 hours to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring at 120 ℃ for 2 hours to obtain a product b;
C. adding emulsifier, antiaging agent, softening oil and fire retardant into product b, heating and stirring at 90 deg.C for 3 hr, keeping at 80 deg.C for 2 hr, and naturally cooling to obtain the final product.
Example 4. An adhesive for mechanically pressed plates is prepared from the following raw materials; 26kg of emulsified epoxy resin, 15kg of vinyl acetate, 19kg of polyisobutyl ester, 35kg of phenolic resin, 24kg of polyvinyl alcohol, 20kg of ethyl acetate, 16kg of isopropanol, 6kg of sodium bicarbonate, 13kg of sodium dodecyl benzene sulfonate, 5kg of potassium persulfate, 13kg of formic acid, 7kg of emulsifier, 10kg of anti-aging agent, 7kg of softening oil and 6kg of flame retardant.
The preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin at 220 ℃ for 2.5 hours to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring at 110 ℃ for 1.5h to obtain a product b;
C. adding emulsifier, antiaging agent, softening oil and fire retardant into product b, heating and stirring at 85 deg.C for 2.5h, keeping at 70 deg.C for 1.5h, and naturally cooling to obtain the final product.
Example 5. An adhesive for mechanically pressed plates is prepared from the following raw materials; 30kg of emulsified epoxy resin, 20kg of vinyl acetate, 25kg of polyisobutyl ester, 40kg of phenolic resin, 30kg of polyvinyl alcohol, 35kg of ethyl acetate, 20kg of isopropanol, 10kg of sodium bicarbonate, 15kg of sodium dodecyl benzene sulfonate, 8kg of potassium persulfate, 15kg of formic acid, 10kg of emulsifier, 14kg of anti-aging agent, 9kg of softening oil and 9kg of flame retardant.
The preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin at 250 ℃ for 3 hours to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring at 120 ℃ for 2 hours to obtain a product b;
C. adding emulsifier, antiaging agent, softening oil and fire retardant into product b, heating and stirring at 90 deg.C for 3 hr, keeping at 80 deg.C for 2 hr, and naturally cooling to obtain the final product.
Claims (7)
1. The utility model provides an adhesive glue of machine-pressed panel which characterized in that: the glue is prepared from the following raw materials in parts by weight; 20-30 parts of emulsified epoxy resin, 10-20 parts of vinyl acetate, 15-25 parts of polyisobutyl ester, 30-40 parts of phenolic resin, 20-30 parts of polyvinyl alcohol, 13-35 parts of ethyl acetate, 10-20 parts of isopropanol, 3-10 parts of sodium bicarbonate, 10-15 parts of sodium dodecyl benzene sulfonate, 2-8 parts of potassium persulfate, 10-15 parts of formic acid, 5-10 parts of an emulsifier, 6-14 parts of an anti-aging agent, 4-9 parts of softening oil and 3-9 parts of a flame retardant.
2. The bonding glue for machine-pressed sheets according to claim 1, characterized in that: the glue is prepared from the following raw materials in parts by weight; 22-28 parts of emulsified epoxy resin, 13-17 parts of vinyl acetate, 17-22 parts of polyisobutyl ester, 33-37 parts of phenolic resin, 22-28 parts of polyvinyl alcohol, 15-30 parts of ethyl acetate, 12-18 parts of isopropanol, 5-8 parts of sodium bicarbonate, 12-14 parts of sodium dodecyl benzene sulfonate, 3-6 parts of potassium persulfate, 11-14 parts of formic acid, 6-8 parts of an emulsifier, 8-12 parts of an anti-aging agent, 5-8 parts of softening oil and 4-8 parts of a flame retardant.
3. The bonding glue for machine-pressed sheets according to claim 1, characterized in that: the glue is prepared from the following raw materials in parts by weight; 26 parts of emulsified epoxy resin, 15 parts of vinyl acetate, 19 parts of polyisobutyl ester, 35 parts of phenolic resin, 24 parts of polyvinyl alcohol, 20 parts of ethyl acetate, 16 parts of isopropanol, 6 parts of sodium bicarbonate, 13 parts of sodium dodecyl benzene sulfonate, 5 parts of potassium persulfate, 13 parts of formic acid, 7 parts of emulsifier, 10 parts of anti-aging agent, 7 parts of softening oil and 6 parts of flame retardant.
4. A method for preparing a bonding glue for machine-pressed sheets according to any of claims 1-3, characterized in that: the preparation method of the adhesive glue comprises the following steps:
A. heating and stirring emulsified epoxy resin, vinyl acetate, polyisobutyl ester and phenolic resin for 2-3h to obtain a product a;
B. adding polyvinyl alcohol, ethyl acetate, isopropanol, sodium bicarbonate, sodium dodecyl benzene sulfonate, potassium persulfate and formic acid into the product a, and heating and stirring for 1-2h to obtain a product b;
C. adding emulsifier, anti-aging agent, softening oil and fire retardant into product b, heating and stirring for 2-3h, keeping the temperature for 1-2h, and naturally cooling to obtain the final product.
5. The method for preparing the bonding glue of the machine-pressed sheet material as claimed in claim 4, wherein: in the step A, the heating and stirring temperature is 180-250 ℃.
6. The method for preparing the bonding glue of the machine-pressed sheet material as claimed in claim 4, wherein: in the step B, the temperature for heating and stirring is 100-120 ℃.
7. The method for preparing the bonding glue of the machine-pressed sheet material as claimed in claim 4, wherein: in the step C, the heating and stirring temperature is 70-90 ℃, and the heat preservation temperature is 60-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296846.3A CN110903770A (en) | 2019-12-16 | 2019-12-16 | Bonding glue for machine-pressed plates and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296846.3A CN110903770A (en) | 2019-12-16 | 2019-12-16 | Bonding glue for machine-pressed plates and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110903770A true CN110903770A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911296846.3A Withdrawn CN110903770A (en) | 2019-12-16 | 2019-12-16 | Bonding glue for machine-pressed plates and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831295A (en) * | 2020-12-31 | 2021-05-25 | 邦弗特新材料股份有限公司 | Double-component water-based adhesive, preparation method and use method thereof |
| CN113881372A (en) * | 2020-07-01 | 2022-01-04 | 阜阳市宏桥秸秆科技有限公司 | Straw plate forming glue |
| CN114621712A (en) * | 2022-03-23 | 2022-06-14 | 湖南宏森新材料科技有限责任公司 | High-strength phenolic resin adhesive and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003042297A1 (en) * | 2001-11-13 | 2003-05-22 | Kuraray Co., Ltd. | Vinyl ester resin emulsion |
| CN105802518A (en) * | 2014-12-30 | 2016-07-27 | 什邡市美的家木业有限责任公司 | Solid wood floor glue binder |
| CN105802556A (en) * | 2014-12-30 | 2016-07-27 | 什邡市美的家木业有限责任公司 | Plate bonding glue preparation technology |
-
2019
- 2019-12-16 CN CN201911296846.3A patent/CN110903770A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003042297A1 (en) * | 2001-11-13 | 2003-05-22 | Kuraray Co., Ltd. | Vinyl ester resin emulsion |
| CN105802518A (en) * | 2014-12-30 | 2016-07-27 | 什邡市美的家木业有限责任公司 | Solid wood floor glue binder |
| CN105802556A (en) * | 2014-12-30 | 2016-07-27 | 什邡市美的家木业有限责任公司 | Plate bonding glue preparation technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881372A (en) * | 2020-07-01 | 2022-01-04 | 阜阳市宏桥秸秆科技有限公司 | Straw plate forming glue |
| CN112831295A (en) * | 2020-12-31 | 2021-05-25 | 邦弗特新材料股份有限公司 | Double-component water-based adhesive, preparation method and use method thereof |
| CN112831295B (en) * | 2020-12-31 | 2022-09-20 | 邦弗特新材料股份有限公司 | Double-component water-based adhesive, preparation method and use method thereof |
| CN114621712A (en) * | 2022-03-23 | 2022-06-14 | 湖南宏森新材料科技有限责任公司 | High-strength phenolic resin adhesive and preparation method thereof |
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Application publication date: 20200324 |