CN112251103A - Running board bottom coating, preparation method thereof and running board - Google Patents
Running board bottom coating, preparation method thereof and running board Download PDFInfo
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- CN112251103A CN112251103A CN202011202153.6A CN202011202153A CN112251103A CN 112251103 A CN112251103 A CN 112251103A CN 202011202153 A CN202011202153 A CN 202011202153A CN 112251103 A CN112251103 A CN 112251103A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09D161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a running board bottom surface coating which comprises the following components in parts by weight: 60-70 parts of thermosetting resin, 20-30 parts of VAE emulsion, 3-6 parts of calcium stearate, 0.1-0.5 part of calcium persulfate and 0.5-1.5 parts of ammonium chloride. The coating of the invention is mainly different from the coating of the top surface layer of the running board in wear resistance and low friction coefficient, the coating of the bottom surface of the running board of the invention focuses more on the strength of the running board and the fatigue resistance under the action of alternating stress, and the curing shrinkage rate close to that of the coating of the surface layer balances the internal stress of the whole board. The coating is mainly prepared from thermosetting resin, is compounded with VAE emulsion, and utilizes the characteristics of good flexibility, toughness, low temperature resistance, weather resistance, stress cracking resistance, heat seal property, caking property, rubber-like elasticity, ozone resistance and the like to improve the brittleness of the thermosetting resin and improve the mechanical property of the thermosetting resin. The coating is applied to the bottom surface of the running board, the static bending strength and the impact resistance of the running board can be increased, the stress of the bottom surface and the top surface of the running board is balanced, and the running board is not easy to bend.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to a running board bottom coating, a preparation method thereof and a running board.
Background
The floor used with treadmills is known as a running deck, the base of which is commonly a medium density fiberboard. The melamine impregnated paper is adhered to the bottom surface and the top surface of the prior running board, and the melamine impregnated paper has low elongation at break after being cured, and the bottom of the running board is always in a stretched state due to the weight of a person and the impact force during running when the running board is used, so that the running board is broken, and the method is rarely used at present. The bottom surface treatment mode of the running board which is commonly used at present is as follows: pasting PU damp-proof paper or PVC film. Thus solving the problem of strength reduction of the running board. However, the thermosetting resin on the top surface of the running board shrinks when being cured, the thermoplastic resin on the bottom surface does not shrink when being cured, and the stress on both surfaces is not balanced, thereby causing the running board to be bent. Based on this, there is a need to provide a running board primer.
Disclosure of Invention
The invention aims to provide a running board bottom surface coating, a preparation method thereof and a running board, and aims to solve the problem that the running board is bent due to unbalanced stress of the bottom surface and the top surface of the running board in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the running board bottom coating comprises the following components in parts by weight: 60-70 parts of thermosetting resin, 20-30 parts of VAE emulsion, 3-6 parts of calcium stearate, 0.1-0.5 part of calcium persulfate and 0.5-1.5 parts of ammonium chloride.
The thermosetting resin in the invention is a resin which generates chemical change after being heated, gradually hardens and forms, is not softened after being heated, and cannot be dissolved. The thermosetting resin has a molecular structure of a body type and comprises most of condensation resin, and has the advantages of high heat resistance, difficult deformation under pressure and poor mechanical properties. The VAE emulsion of the invention is a random copolymer of ethylene and vinyl acetate, and is characterized by good flexibility, obdurability, low temperature resistance (still flexible at minus 58 ℃), weather resistance, stress cracking resistance, heat seal property and caking property, and simultaneously has rubber-like elasticity and excellent ozone resistance. The VAE emulsion is added into the coating, so that the brittleness of the thermosetting resin can be improved by utilizing the characteristics of the coating, and the mechanical property of the thermosetting resin is improved. The coating is applied to the bottom surface of the running board, the static bending strength and the impact resistance of the running board can be increased, the stress of the bottom surface and the top surface of the running board is balanced, and the running board is not easy to bend. The calcium stearate is used as a release agent, so that the coating is not easy to adhere to equipment when being rolled on a running board, and is easy to release from the equipment. Calcium sulfate and ammonium chloride are used as curing agents, so that the moisture resistance and the mechanical strength of the coating can be improved.
Further, the weight ratio of the thermosetting resin to the VAE emulsion is (2-2.5): 1. setting the mass ratio of the thermosetting resin to the VAE emulsion as (2-2.5): 1, the VAE emulsion can better modify the thermosetting resin, further improve the mechanical property of the thermosetting resin and further improve the mechanical strength of the coating.
Further, the thermosetting resin is at least one of urea resin, phenolic resin and epoxy resin. The thermosetting resin comprises urea formaldehyde, phenolic aldehyde, epoxy, amino, unsaturated polyester, silicon ether resin and the like, and the inventor finds that the coating prepared from the three resins of urea formaldehyde, phenolic aldehyde and epoxy has unexpected effect when applied to the bottom surface layer of the running board through a large number of experiments, so that the bottom surface layer of the running board has good hardness and moisture resistance.
Further, the solid content of the urea-formaldehyde resin is 55%, and the content of ethylene in the VAE emulsion is 40%.
Urea-formaldehyde resin is a thermosetting resin synthesized by using urea and formaldehyde as main raw materials, is one of amino resins and one of the oldest synthetic resins, and is widely applied to industries such as wood processing, plywood and the like due to the characteristics of low cost, light color, no pollution to wood, high hardness, high bonding strength, oil resistance, mildew resistance, better insulativity, temperature resistance and the like. The solid content of the urea-formaldehyde resin is set to 55%, the urea-formaldehyde resin can be better and directly coated on the bottom surface of the running board through lower solid content, the step of reheating and dissolving the resin is omitted, the process is simplified, and the cost is reduced. The ethylene content is 40%, and the elasticity, flexibility, caking property and compatibility of the VAE emulsion reach the best, so that the thermosetting resin is better improved. The urea-formaldehyde resin and the VAE emulsion have good compatibility, the VAE emulsion can improve the brittleness of the urea-formaldehyde resin, and the urea-formaldehyde resin can improve the water resistance of the VAE emulsion, so that the moisture resistance and the mechanical strength of the coating are improved.
Further, 1-8 parts of pigment is also included. The pigment has the function of toning, and can adopt pigments with different colors according to actual requirements, and the pigment can be a solid pigment or a liquid pigment.
In some embodiments, the coating comprises the following components in parts by weight: 60-70 parts of urea-formaldehyde resin, 20-30 parts of VAE emulsion, 3-6 parts of calcium stearate, 0.1-0.5 part of calcium persulfate, 0.5-1.5 parts of ammonium chloride and 1-8 parts of pigment.
Further, the thermosetting resin is phenolic resin and epoxy resin, and the weight part ratio of the phenolic resin to the epoxy resin is (1-2): 1. the phenolic resin and the epoxy resin are compounded, so that the brittleness of the resin is improved, the flexibility of the resin is improved, and the flexibility of the coating can be obviously improved through further improvement of the VAE emulsion, so that the static bending strength and the impact resistance of the bottom surface of the running board are improved.
Further, the solid content of the phenolic resin is 55%. The resin can be better and directly coated on the bottom surface of the running plate, the step of reheating and dissolving the resin is omitted, the process is simplified, and the cost is reduced.
The invention also provides a preparation method of the running board bottom coating, which comprises the steps of weighing the thermosetting resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the thermosetting resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and dispersing uniformly to obtain the running board bottom coating. The coating prepared by the invention is a flowing glue solution and can be better coated on a running board.
The invention also provides a running board, wherein the bottom surface of the running board is formed by thermally curing the running board bottom surface coating which is coated on the bottom surface of the running board by roller, the thermal curing temperature is 160-200 ℃, and the time is 15-30 s. In the prior art, the coating is usually coated on the base material by adopting a spraying mode, but the spraying mode wastes materials, the loss rate is about 10 percent, and the cost is higher.
Compared with the prior art, the running board bottom surface coating and the preparation method thereof provided by the invention have the following beneficial effects:
the coating of the invention is mainly different from the coating of the top surface layer of the running board in wear resistance and low friction coefficient, the coating of the bottom surface of the running board of the invention focuses more on the strength of the running board and the fatigue resistance under the action of alternating stress, and the curing shrinkage rate close to that of the coating of the surface layer balances the internal stress of the whole board. The coating is mainly prepared from thermosetting resin, is compounded with VAE emulsion, and improves the brittleness and the mechanical property of the thermosetting resin by utilizing the characteristics of good flexibility, toughness, low temperature resistance (the coating still has flexibility at minus 58 ℃), weather resistance, stress cracking resistance, heat seal property, caking property, rubber-like elasticity, ozone resistance and the like. The coating is applied to the bottom surface of the running board, the static bending strength and the impact resistance of the running board can be increased, the stress of the bottom surface and the top surface of the running board is balanced, and the running board is not easy to bend.
Drawings
FIG. 1 is a flow chart of the preparation and application process of the coating of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The invention also provides a preparation method of the coating and a process flow chart of the coating applied to the bottom surface of the running board, as shown in figure 1, the thermosetting resin is firstly mixed with the VAE emulsion, the mixed solution is then mixed with the rest raw materials (calcium stearate, calcium persulfate, ammonium chloride, pigment and the like), a three-roll grinder is adopted to grind and disperse uniformly to obtain the coating of the bottom surface of the running board, the coating is a flowing glue solution, the glue solution is coated on the bottom surface of the base material of the running board in a roll coating mode, and the running board with high mechanical strength is finally obtained through thermocuring and drying. Compared with the PU moistureproof paper or PVC film in the prior art, the brittleness of the thermosetting resin is improved through the VAE emulsion, the mechanical property of the thermosetting resin is improved, the static bending strength and impact resistance of the running board can be increased, the stress of the bottom surface and the stress of the top surface of the running board are balanced, and the running board is not easy to bend.
Example 1
The running board bottom coating comprises the following components in parts by weight: 70 parts of urea-formaldehyde resin, 20 parts of VAE emulsion, 6 parts of calcium stearate, 0.5 part of calcium persulfate, 0.5 part of ammonium chloride and 3 parts of pigment.
The preparation method of the coating comprises the steps of weighing the urea-formaldehyde resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the urea-formaldehyde resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board was formed by heat-curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat-curing temperature was 300 ℃ for 15 seconds.
Example 2
The running board bottom coating comprises the following components in parts by weight: 60 parts of urea-formaldehyde resin, 30 parts of VAE emulsion, 3 parts of calcium stearate, 0.1 part of calcium persulfate, 1.5 parts of ammonium chloride and 5.4 parts of pigment.
The preparation method of the coating comprises the steps of weighing the urea-formaldehyde resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the urea-formaldehyde resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board was formed by heat-curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat-curing temperature was 160 ℃ and the time was 30 seconds.
Example 3
The running board bottom coating comprises the following components in parts by weight: 62.5 parts of urea-formaldehyde resin, 25 parts of VAE emulsion, 5 parts of calcium stearate, 0.3 part of calcium persulfate, 1 part of ammonium chloride and 6.2 parts of pigment.
The preparation method of the coating comprises the steps of weighing the urea-formaldehyde resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the urea-formaldehyde resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board was formed by heat-curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat-curing temperature was 180 ℃ and the time was 25 seconds.
Example 4
The running board bottom coating comprises the following components in parts by weight: 33.5 parts of phenolic resin, 33.5 parts of epoxy resin, 20 parts of VAE emulsion, 4 parts of calcium stearate, 0.4 part of calcium persulfate, 0.6 part of ammonium chloride and 8 parts of pigment.
The preparation method of the coating in the embodiment comprises the steps of weighing the phenolic resin, the epoxy resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the phenolic resin, the epoxy resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board formed by heat curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat curing temperature is 190 ℃ and the time is 20 s.
Example 5
The running board bottom coating comprises the following components in parts by weight: 65 parts of urea-formaldehyde resin, 25 parts of VAE emulsion, 6 parts of calcium stearate, 0.2 part of calcium persulfate, 0.8 part of ammonium chloride and 3 parts of pigment.
The preparation method of the coating comprises the steps of weighing the urea-formaldehyde resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the urea-formaldehyde resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board was formed by heat-curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat-curing temperature was 170 ℃ for 18 seconds.
Example 6
The running board bottom coating comprises the following components in parts by weight: 44 parts of phenolic resin, 22 parts of epoxy resin, 28 parts of VAE emulsion, 4 parts of calcium stearate, 0.3 part of calcium persulfate, 0.7 part of ammonium chloride and 1 part of pigment.
The preparation method of the coating in the embodiment comprises the steps of weighing the phenolic resin, the epoxy resin, the VAE emulsion, the calcium stearate, the calcium persulfate, the ammonium chloride and the pigment according to the weight parts, mixing the phenolic resin, the epoxy resin and the VAE emulsion, adding the rest raw materials into a three-roll grinder, grinding and uniformly dispersing to obtain the bottom coating of the running board;
a running board was formed by heat-curing the above example coating material roll-coated on the bottom surface of the running board, wherein the heat-curing temperature was 160 ℃ and the time was 23 seconds.
Comparative example 1
The difference from example 3 is that comparative example 1 has no VAE emulsion added.
Comparative example 2
The difference from example 3 is that the ethylene content in the VAE emulsion in comparative example 2 is 35%.
Comparative example 3
The difference from example 3 is that the ethylene content in the VAE emulsion in comparative example 3 is 45%.
The coatings prepared in examples 1 to 6 were subjected to performance tests with comparative examples 1 and 4 (commercially available PU moisture barrier paper) and comparative example 5 (commercially available PVC film) and the results are shown in table 1 below:
TABLE 1
As can be seen from Table 1, the static bending strength and impact strength of examples 1-6 are significantly better than those of comparative examples 1-3, wherein comparative example 1 has no VAE emulsion added, greatly reducing the static bending strength and impact strength. The reduction or increase of the ethylene content in the VAE emulsions of comparative examples 2 and 3 also resulted in a reduction of static bending strength and impact strength, and the coating performance of the present invention was significantly better than PU moisture barrier paper or PVC film compared to comparative examples 4 and 5. In conclusion, the VAE emulsion is used for improving the brittleness of the thermosetting resin, improving the mechanical property of the thermosetting resin, increasing the static bending strength and impact resistance of the running board and balancing the stress of the bottom surface and the top surface of the running board without bending easily by reasonable proportion.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The running board bottom coating is characterized by comprising the following components in parts by weight: 60-70 parts of thermosetting resin, 20-30 parts of VAE emulsion, 3-6 parts of calcium stearate, 0.1-0.5 part of calcium persulfate and 0.5-1.5 parts of ammonium chloride.
2. The running board primer according to claim 1, wherein the weight parts ratio of the thermosetting resin and the VAE emulsion is (2-2.5): 1.
3. the running board primer as claimed in claim 2, wherein the thermosetting resin is at least one of urea formaldehyde resin, phenol formaldehyde resin and epoxy resin.
4. The running board floor coating of claim 3, wherein the urea-formaldehyde resin has a solids content of 55% and the VAE emulsion has an ethylene content of 40%.
5. The running board bottom coating of claim 4, further comprising 1-8 parts by weight of a pigment.
6. The running board bottom coating of claim 5, wherein the coating comprises the following components in parts by weight: 60-70 parts of urea-formaldehyde resin, 20-30 parts of VAE emulsion, 3-6 parts of calcium stearate, 0.1-0.5 part of calcium persulfate, 0.5-1.5 parts of ammonium chloride and 1-8 parts of pigment.
7. The running board bottom coating according to claim 3, wherein the thermosetting resin is phenolic resin and epoxy resin, and the weight ratio of the phenolic resin to the epoxy resin is (1-2): 1.
8. the running board floor coating of claim 7, wherein the phenolic resin has a solids content of 55%.
9. A preparation method of a running board bottom coating is characterized in that thermosetting resin, VAE emulsion, calcium stearate, calcium persulfate, ammonium chloride and pigment are weighed according to parts by weight, the thermosetting resin and the VAE emulsion are mixed, and then the rest raw materials are added into a three-roll grinder together to be ground and dispersed uniformly to obtain the running board bottom coating.
10. The running board is characterized in that the bottom surface of the running board is formed by thermally curing a coating on the bottom surface of the running board which is coated on the bottom surface of the running board in a roller manner, wherein the thermal curing temperature is 160-200 ℃ and the time is 15-30 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011202153.6A CN112251103A (en) | 2020-11-02 | 2020-11-02 | Running board bottom coating, preparation method thereof and running board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011202153.6A CN112251103A (en) | 2020-11-02 | 2020-11-02 | Running board bottom coating, preparation method thereof and running board |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782917A1 (en) * | 1996-01-02 | 1997-07-09 | Taal Manufacturers of Plywood Kvuzath Mishmaroth Ltd. | Coated board of wood |
| CN1948409A (en) * | 2006-10-25 | 2007-04-18 | 广州电器科学研究院 | Low temperature solidified powder paint used for coating medium density fiber board and its production technology |
| CN101117510A (en) * | 2007-09-14 | 2008-02-06 | 东北林业大学 | Modified amino resin expansion type water flame-proof paint |
| CN102275360A (en) * | 2011-06-20 | 2011-12-14 | 吴小凤 | Elastic running board for running machine |
| CN102898923A (en) * | 2012-09-28 | 2013-01-30 | 中国电器科学研究院有限公司 | Low-temperature curing powder coating for coating medium-density fiber board and preparation method for coating |
| CN109370288A (en) * | 2018-10-30 | 2019-02-22 | 巩义市宏盛稀有金属有限公司 | A kind of wood materials expanded water-based fireproof anti-flaming dope and preparation method thereof |
-
2020
- 2020-11-02 CN CN202011202153.6A patent/CN112251103A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782917A1 (en) * | 1996-01-02 | 1997-07-09 | Taal Manufacturers of Plywood Kvuzath Mishmaroth Ltd. | Coated board of wood |
| CN1948409A (en) * | 2006-10-25 | 2007-04-18 | 广州电器科学研究院 | Low temperature solidified powder paint used for coating medium density fiber board and its production technology |
| CN101117510A (en) * | 2007-09-14 | 2008-02-06 | 东北林业大学 | Modified amino resin expansion type water flame-proof paint |
| CN102275360A (en) * | 2011-06-20 | 2011-12-14 | 吴小凤 | Elastic running board for running machine |
| CN102898923A (en) * | 2012-09-28 | 2013-01-30 | 中国电器科学研究院有限公司 | Low-temperature curing powder coating for coating medium-density fiber board and preparation method for coating |
| CN109370288A (en) * | 2018-10-30 | 2019-02-22 | 巩义市宏盛稀有金属有限公司 | A kind of wood materials expanded water-based fireproof anti-flaming dope and preparation method thereof |
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