CN115852734A - Melamine adhesive and preparation method and application thereof - Google Patents
Melamine adhesive and preparation method and application thereof Download PDFInfo
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- CN115852734A CN115852734A CN202211662027.8A CN202211662027A CN115852734A CN 115852734 A CN115852734 A CN 115852734A CN 202211662027 A CN202211662027 A CN 202211662027A CN 115852734 A CN115852734 A CN 115852734A
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- Prior art keywords
- melamine
- adhesive
- percent
- melamine adhesive
- polyurethane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 61
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000000853 adhesive Substances 0.000 title claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000080 wetting agent Substances 0.000 claims abstract description 9
- 238000007731 hot pressing Methods 0.000 claims abstract description 3
- 229920002635 polyurethane Polymers 0.000 claims description 15
- 239000004814 polyurethane Substances 0.000 claims description 15
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000004005 microsphere Substances 0.000 claims description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- 239000004584 polyacrylic acid Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910021426 porous silicon Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 239000012792 core layer Substances 0.000 description 6
- 244000166124 Eucalyptus globulus Species 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 241000219000 Populus Species 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- -1 etc. Chemical compound 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The invention discloses a melamine adhesive and a preparation method and application thereof, wherein the adhesive comprises the following components in percentage by weight: 80-90% of aqueous melamine formaldehyde resin; 1 to 10 percent of softener; 0.5 to 5 percent of stress dispersant; 0.25 to 0.5 percent of wetting agent; 10 to 20 percent of water. By adopting the components, the cracking resistance of the melamine adhesive can be enhanced, and the existing multilayer board dipping and hot-pressing veneering process is not changed.
Description
Technical Field
The invention relates to a melamine adhesive and a preparation method and application thereof.
Background
In the prior kitchen and bathroom cabinet product on the market, the melamine multilayer board has wide use due to high environmental protection performance, grade and good decorative performance, but when the temperature and humidity of the use environment are unbalanced, the interior of the multilayer board generates wet expansion and dry shrinkage to change and release stress, so that the melamine decorative paper on the surface layer of the board is easy to crack. In order to improve the problem of cracking of melamine multilayer sheets, several patents have been published.
CN205021710U discloses a melamine multilayer plywood, which is characterized in that a base material layer is formed by adhering poplar surface layers on the upper surface and the lower surface of a eucalyptus core layer, so that the expansion and contraction of a melamine impregnated paper layer and the core layer are kept in a certain synchronization, and the cracking proportion is reduced. However, the poplar surface layers are pasted on the upper surface and the lower surface of the eucalyptus core layer, compared with the pure eucalyptus core layer, the eucalyptus and poplar pasting process is added, the cost is increased, the appearance is influenced, the base material layer is composed of the eucalyptus core layer and the poplar core layer, the inferior using feeling is provided for users, the core competitiveness of the product is influenced, and the large-scale production is not suitable.
CN113771154A discloses a process method for improving the cold and heat cycle resistance and the crack resistance of an impregnated bond paper veneer plywood, which starts control from three nodes of a base material, base paper and impregnated resin, provides an idea for solving the problem of board cracking by methods of prolonging the life cycle of the base material, changing the ash content of the base paper, controlling the gluing amount and the like, and has a certain reference value. However, the method of increasing the base material curing period, changing the ash content of the base paper, controlling the gluing amount and the like has complex process and needs to meet more conditions, and if the base material curing period is increased, the occupied time of a workshop is prolonged, and the production progress is influenced; the change of the ash content of the base paper can cause certain influence on the color of the melamine decorative paper; the sizing amount is difficult to accurately control, the sizing amount is not enough, the solidification of the melamine decorative paper is influenced, the sizing amount is too much, raw materials are wasted, and the performance of the melamine decorative paper is influenced. The whole process is difficult to control and the application range is limited.
Disclosure of Invention
The invention mainly aims to provide a melamine adhesive.
The technical scheme adopted by the invention is as follows:
the melamine adhesive comprises the following components in percentage by weight:
in the invention, the softener is preferably one or more of polyurethane, polyacrylic acid and dioctyl sebacate.
In the present invention, the polyurethane may include polyester polyurethane, polyether polyurethane, acrylic modified polyurethane, epoxy modified polyurethane, etc., and preferably, aqueous polyether polyurethane or acrylic modified aqueous polyether polyurethane.
In the present invention, the polyacrylic acid may be methyl methacrylate, ethyl methacrylate, butyl methacrylate, methyl acrylate, ethyl acrylate, butyl acrylate, etc., and butyl acrylate is preferred.
In the invention, the stress dispersing agent is preferably one or more of organic silicon microspheres, porous silicon dioxide microspheres and barium sulfate.
In the present invention, the particle size of the silicone microspheres, porous silica microspheres, barium sulfate is preferably between 0.5 μm and 2.0. Mu.m.
In the present invention, the humectant is preferably a combination of one or more of ethanol, propylene glycol, glycerin, and dimethyl sulfoxide.
The invention also provides application of the melamine adhesive in preparation of melamine multilayer boards.
The invention also provides a preparation method of the melamine adhesive, which comprises the following steps:
step 1, weighing raw materials of a melamine adhesive according to the weight percentage:
step 2, mixing the water-based melamine formaldehyde resin with water in a stirring kettle, fully stirring, adding a softener, and continuously stirring uniformly, wherein the rotating speed is set to be 400-800 r/min;
and 3, sequentially adding a stress dispersing agent and a wetting agent, and fully and uniformly stirring to obtain the melamine adhesive.
The invention also provides a production method of the melamine multilayer board, which comprises the following steps:
step 1, soaking printed decorative paper into the melamine adhesive, fully soaking and taking out, removing redundant adhesive, putting the decorative paper into a vacuum drying oven at 60-90 ℃ for pre-curing for 2-3 min, and taking out to obtain melamine decorative paper;
step 2, the melamine decorative paper is hot-pressed on the multilayer boards of E0 and E1 levels on a hot press, the pressure of the hot press is set to be 10 MPA-18 MPA, the temperature is 120-160 ℃, the time is 500-600 s, and the solidification is completed;
and 3, trimming and inspecting a finished product to obtain the melamine multilayer plate.
Compared with the background technology, the technical scheme of the invention has the following advantages:
the invention provides a melamine adhesive using a softener and a stress dispersant, aiming at relieving the stress difference of a multilayer board caused by environmental change, solving the problem of cracking of melamine decorative paper on the surface layer, and overcoming the defects of high cost, high process control difficulty and the like. The softener enhances the fluidity, permeability and flexibility of resin, meanwhile, other properties such as surface bonding strength, scratch resistance, wear resistance and the like are not affected, the stress dispersing agent plays a role in releasing internal stress of the board, the impact on surface melamine decorative paper of a surface layer is relieved, the wetting agent reduces the surface energy of the stress dispersing agent, so that the stress dispersing agent is more easily wetted by water and plays roles in assisting dispersion and preventing sinking.
Detailed Description
Example 1
In the following examples and comparative examples,
1. preparing a melamine adhesive, which comprises the following components in percentage by weight:
step 1, weighing the raw materials according to weight percentage, wherein a softener is prepared from polybutyl acrylate (purchased from Shandong Ke Jian chemical engineering Co., ltd., model BA-180), a stress dispersant is prepared from organic silicon microspheres (purchased from Shenzhen and Yanyue plastic pigment auxiliary agent Co., ltd., model G21), a wetting agent is prepared from propylene glycol, and a pre-polymerized aqueous melamine formaldehyde resin (purchased from Shinshan Jiang decoration Material Co., ltd.) is prepared;
step 2, mixing the pre-polymerized aqueous melamine formaldehyde resin with water in a stirring kettle, fully stirring, adding polybutyl acrylate, and continuously stirring uniformly, wherein the rotating speed is set to be 500r/min;
and 3, sequentially adding the organic silicon microspheres and the propylene glycol, and fully and uniformly stirring to obtain the melamine adhesive.
2. Preparing a melamine multilayer board:
step 1, soaking the printed decorative paper into the prepared melamine adhesive, fully soaking, taking out, removing the redundant adhesive, and pre-curing in a vacuum drying oven at 80 ℃ for 3min to obtain melamine decorative paper;
step 2, carrying out hot pressing on the melamine decorative paper to an E0-level multilayer board at a high temperature of 130 ℃, and setting the pressure of a hot press to be 13MPA for 600s to finish curing;
and 3, trimming and inspecting a finished product to obtain the melamine multilayer plate.
Example 2
The material selection ratio and the steps are basically the same as those of example 1, except that the softener is water-based polyether polyurethane (purchased from new materials, inc. of great Huatai, anhui, model AH-1502F), the stress dispersant is porous silica microspheres (purchased from new materials, science and technology, inc. of Beijing Corp, model BK 2020062876), and the wetting agent is glycerin, and the melamine multilayer board is prepared according to the steps in example 1.
Comparative example
According to the weight ratio
90 percent of aqueous melamine formaldehyde resin
10 percent of water
The procedure is the same as in example 1, except that the softener, stress dispersant and wetting agent added in example 1 are replaced by aqueous melamine formaldehyde resin.
The samples 1-2 and the comparative sample were tested for their properties such as crack resistance and scratch resistance according to the national standard "test method for physical and chemical properties of artificial board and veneer artificial board with GBT 17657 2013".
| Test number | Crack resistance | Wear resistance | Surface bonding strength | Scratch resistance |
| Example 1 | Does not crack | Qualified | Qualified | Qualified |
| Example 2 | Does not crack | Qualified | Qualified | Qualified |
| Comparative example | Partial cleavage | Qualified | Qualified | Qualified |
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. The melamine adhesive comprises the following components in percentage by weight:
2. the melamine adhesive according to claim 1, wherein: the softener is at least one of polyurethane, polyacrylic acid and dioctyl sebacate.
3. The melamine adhesive according to claim 2, wherein: the polyurethane comprises at least one of polyester polyurethane, polyether polyurethane, acrylic modified polyurethane and epoxy modified polyurethane.
4. The melamine adhesive according to claim 2, wherein: the polyacrylic acid comprises at least one of methyl methacrylate, ethyl methacrylate, butyl methacrylate, methyl acrylate, ethyl acrylate and butyl acrylate.
5. The melamine adhesive according to claim 1, wherein: the stress dispersing agent is one or a combination of more of organic silicon microspheres, porous silicon dioxide microspheres and barium sulfate.
6. The melamine adhesive according to claim 5, wherein: the grain sizes of the organic silicon microspheres, the porous silicon dioxide microspheres and the barium sulfate are between 0.5 and 2.0 mu m.
7. The melamine adhesive according to claim 1, wherein: the wetting agent is one or more of ethanol, propylene glycol, glycerol and dimethyl sulfoxide.
8. Use of a melamine adhesive according to any one of claims 1 to 7 in the preparation of melamine multilayer boards.
9. A preparation method of melamine adhesive comprises the following steps:
step 1, weighing the following raw materials in percentage by weight:
step 2, mixing the water-based melamine formaldehyde resin with water in a stirring kettle, fully stirring, adding the softener, and continuously stirring uniformly at the rotating speed of 400r/min-800r/min;
and 3, sequentially adding a stress dispersing agent and a wetting agent, and fully and uniformly stirring to obtain the melamine adhesive.
10. A production method of melamine multilayer boards comprises the following steps:
step 1, immersing the printed decorative paper into melamine adhesive, wherein the melamine adhesive comprises the following components in percentage by weight: 80-90% of aqueous melamine formaldehyde resin; 1 to 10 percent of softener; 0.5 to 5 percent of stress dispersant; 0.25 to 0.5 percent of wetting agent; 10 to 20 percent of water; fully soaking and taking out, removing the redundant adhesive, putting the mixture into a vacuum drying oven at the temperature of 60-90 ℃ for precuring for 2-3 min, and taking out to obtain melamine decorative paper;
step 2, hot-pressing the melamine decorative paper on the multilayer plates of E0 and E1 levels on a hot press, setting the pressure of the hot press to be 10-18 MPA, the temperature to be 120-160 ℃, and the time to be 500-600 s, and finishing the solidification;
and 3, trimming and inspecting a finished product to obtain the melamine multilayer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211662027.8A CN115852734A (en) | 2022-12-23 | 2022-12-23 | Melamine adhesive and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211662027.8A CN115852734A (en) | 2022-12-23 | 2022-12-23 | Melamine adhesive and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115852734A true CN115852734A (en) | 2023-03-28 |
Family
ID=85654163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211662027.8A Pending CN115852734A (en) | 2022-12-23 | 2022-12-23 | Melamine adhesive and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115852734A (en) |
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|---|---|---|---|---|
| JP2001107015A (en) * | 1999-10-08 | 2001-04-17 | Kansai Paint Co Ltd | Thermosetting adhesive |
| JP2013047287A (en) * | 2011-08-27 | 2013-03-07 | Kansai Paint Co Ltd | Aqueous adhesive for metal |
| CN103589313A (en) * | 2013-11-08 | 2014-02-19 | 株洲市九华新材料涂装实业有限公司 | Stain adhesion prevention finishing coating for subway vehicle and preparation method thereof |
| CN104356819A (en) * | 2014-10-16 | 2015-02-18 | 青岛文晟汽车零部件有限公司 | Durable metallic flashing paint |
| CN104434542A (en) * | 2014-11-27 | 2015-03-25 | 苏州市贝克生物科技有限公司 | Medical antibacterial adhesive and preparation method thereof |
| CN106498804A (en) * | 2016-11-05 | 2017-03-15 | 广东耀东华装饰材料科技有限公司 | A kind of production method of the impregnated bond paper of low formaldehyde emission |
| CN109321180A (en) * | 2018-09-28 | 2019-02-12 | 东莞市贝辉装饰材料有限公司 | High-toughness polyurethane amine aldehyde resin glue, high tenacity bond paper and preparation method |
| CN112847817A (en) * | 2020-12-30 | 2021-05-28 | 浙江帝龙新材料有限公司 | Integrated forming process for melamine paper veneer board |
| CN114960294A (en) * | 2022-06-01 | 2022-08-30 | 上海贝辉木业有限公司 | Anti-cracking impregnated paper and preparation method thereof |
-
2022
- 2022-12-23 CN CN202211662027.8A patent/CN115852734A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107015A (en) * | 1999-10-08 | 2001-04-17 | Kansai Paint Co Ltd | Thermosetting adhesive |
| JP2013047287A (en) * | 2011-08-27 | 2013-03-07 | Kansai Paint Co Ltd | Aqueous adhesive for metal |
| CN103589313A (en) * | 2013-11-08 | 2014-02-19 | 株洲市九华新材料涂装实业有限公司 | Stain adhesion prevention finishing coating for subway vehicle and preparation method thereof |
| CN104356819A (en) * | 2014-10-16 | 2015-02-18 | 青岛文晟汽车零部件有限公司 | Durable metallic flashing paint |
| CN104434542A (en) * | 2014-11-27 | 2015-03-25 | 苏州市贝克生物科技有限公司 | Medical antibacterial adhesive and preparation method thereof |
| CN106498804A (en) * | 2016-11-05 | 2017-03-15 | 广东耀东华装饰材料科技有限公司 | A kind of production method of the impregnated bond paper of low formaldehyde emission |
| CN109321180A (en) * | 2018-09-28 | 2019-02-12 | 东莞市贝辉装饰材料有限公司 | High-toughness polyurethane amine aldehyde resin glue, high tenacity bond paper and preparation method |
| CN112847817A (en) * | 2020-12-30 | 2021-05-28 | 浙江帝龙新材料有限公司 | Integrated forming process for melamine paper veneer board |
| CN114960294A (en) * | 2022-06-01 | 2022-08-30 | 上海贝辉木业有限公司 | Anti-cracking impregnated paper and preparation method thereof |
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