CN111393932A - Dyed veneer coating and preparation method and construction method thereof - Google Patents
Dyed veneer coating and preparation method and construction method thereof Download PDFInfo
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- CN111393932A CN111393932A CN202010348270.7A CN202010348270A CN111393932A CN 111393932 A CN111393932 A CN 111393932A CN 202010348270 A CN202010348270 A CN 202010348270A CN 111393932 A CN111393932 A CN 111393932A
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- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 239000011248 coating agent Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims description 8
- 238000002360 preparation method Methods 0.000 title description 3
- 239000000945 filler Substances 0.000 claims abstract description 52
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000012024 dehydrating agents Substances 0.000 claims abstract description 25
- -1 organic acid ester Chemical class 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 229920002678 cellulose Polymers 0.000 claims abstract description 22
- 239000001913 cellulose Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 20
- 239000003973 paint Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- 239000003963 antioxidant agent Substances 0.000 claims description 23
- 230000003078 antioxidant effect Effects 0.000 claims description 23
- 239000002270 dispersing agent Substances 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical compound OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 claims description 14
- 229920002301 cellulose acetate Polymers 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920000623 Cellulose acetate phthalate Polymers 0.000 claims description 3
- 229920008347 Cellulose acetate propionate Polymers 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 229940081734 cellulose acetate phthalate Drugs 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- 229910021487 silica fume Inorganic materials 0.000 claims 1
- 238000004383 yellowing Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000009967 tasteless effect Effects 0.000 abstract description 2
- 239000002250 absorbent Substances 0.000 description 20
- 230000002745 absorbent Effects 0.000 description 20
- 239000002518 antifoaming agent Substances 0.000 description 18
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 8
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 8
- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 7
- 238000004043 dyeing Methods 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- IYKJEILNJZQJPU-UHFFFAOYSA-N acetic acid;butanedioic acid Chemical compound CC(O)=O.OC(=O)CCC(O)=O IYKJEILNJZQJPU-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UJRDRFZCRQNLJM-UHFFFAOYSA-N methyl 3-[3-(benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OC)=CC(N2N=C3C=CC=CC3=N2)=C1O UJRDRFZCRQNLJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- DCGDPJCUIKLTDU-SUNYJGFJSA-N (4r)-4-[(1s)-1-fluoroethyl]-3-[2-[[(1s)-1-[4-methyl-5-[2-(trifluoromethyl)pyridin-4-yl]pyridin-2-yl]ethyl]amino]pyrimidin-4-yl]-1,3-oxazolidin-2-one Chemical compound C[C@H](F)[C@H]1COC(=O)N1C1=CC=NC(N[C@@H](C)C=2N=CC(=C(C)C=2)C=2C=C(N=CC=2)C(F)(F)F)=N1 DCGDPJCUIKLTDU-SUNYJGFJSA-N 0.000 description 1
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of dyed veneer coatings, and provides a dyed veneer coating, which comprises a component A and a component B, wherein the weight ratio of the component A to the component B is 1: (0.1-0.5); wherein the component A comprises the following raw materials in percentage by weight: 30-50% of acrylate resin, 10-30% of cellulose organic acid ester, 1-20% of auxiliary agent, 1-10% of first filler and the balance of second filler; the component B comprises the following raw materials in percentage by weight: 20-40% of solvent, 0-1% of dehydrating agent and HDI curing agent. The environment-friendly paint is tasteless, has excellent environmental stability, particularly has excellent yellowing resistance under direct sunlight and ultraviolet rays and color retention of dyed veneers, is suitable for industrial production, and solves the problem of stability of furniture in different environments.
Description
Technical Field
The invention relates to the technical field of dyed veneer coatings, in particular to a dyed veneer coating and a preparation method and application thereof.
Background
Along with the improvement of the quality of life of people and the development trend of diversification, individuation and high-end of home decoration styles, the dyed veneer series furniture has been developed in furniture and home decoration industries in recent years. The dyed veneer as one new decoration material is produced with natural timber through bleaching, dyeing, color fixing, stoving, hot pressing to smooth, cutting and other steps, and has no loss of natural timber characteristics, unique color, high color fastness, no color change and no smell. However, the coating used in the field of dyeing veneers at present has the problem of poor environmental stability, and particularly yellowing is easily generated in the using process.
Disclosure of Invention
In order to solve the technical problem, the first aspect of the invention provides a dyed veneer coating, which comprises an A component and a B component, wherein the weight ratio of the A component to the B component is 1: (0.1-0.5);
wherein the component A comprises the following raw materials in percentage by weight: 30-50% of acrylate resin, 10-30% of cellulose organic acid ester, 1-20% of auxiliary agent, 1-10% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 20-40% of solvent, 0-1% of dehydrating agent and HDI curing agent.
As a preferable technical scheme, the weight ratio of the component A to the component B is 1: (0.1-0.3).
As a preferable embodiment, the acrylate resin in the present invention is an acrylate resin containing a polar group.
As a preferable embodiment, the polar group-containing acrylate resin in the present invention is a hydroxy acrylate resin.
In a preferred embodiment, the cellulose organic acid ester is selected from one or more of cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate phthalate, and cellulose acetate succinate.
In a preferred embodiment of the present invention, the first filler is silica.
In a preferred embodiment of the present invention, the second filler is at least one selected from talc powder, transparent powder, silica powder, and diatomaceous earth.
As a preferable technical solution, the auxiliary agent in the present invention includes at least one of a dispersant, a defoaming agent, a leveling agent, an anti-ultraviolet absorber, and an antioxidant.
The second aspect of the present invention provides a method for preparing the dyed veneer paint, which at least comprises the following steps: adding the auxiliary agent into the acrylate resin and the cellulose organic acid ester, uniformly mixing, adding the first filler and the second filler, and uniformly dispersing to obtain a component A; and (3) adding the dehydrating agent and the HDI curing agent into the solvent, and mixing and stirring uniformly to obtain the component B.
The third aspect of the invention provides a construction method of the dyed veneer coating, which comprises the steps of adding the component A and the component B into a container according to the proportion, uniformly stirring, adding a proper amount of diluent for dilution, adjusting to proper viscosity, and carrying out spraying construction; the suitable viscosity is 10-15 seconds.
Compared with the prior art, the invention has the following excellent beneficial effects:
the invention provides a dyed veneer coating, which is mainly applied to decorative materials for furniture and home decoration, is a tasteless environment-friendly coating, has excellent environment-resistant stability, especially has excellent yellowing resistance under direct sunlight and ultraviolet rays and color retention of dyed veneers, is suitable for industrial production, and solves the problem of stability of furniture under different environments. The inventor finds that the proper hydroxy acrylate resin and cellulose organic acid ester selected in the invention have good yellowing resistance to ultraviolet irradiation of the coating, and particularly the compounding of the hydroxy acrylate resin and cellulose acetate generates excellent compounding synergistic effect, thereby providing a very significant contribution to the environmental stability resistance of the coating. The prepared dyed veneer coating is an open, odorless and yellowing-resistant environment-friendly novel coating, and is mainly applied to the dyed veneer type dado, wooden doors, wood veneer furniture and the like or other woods with serious color change.
Detailed Description
The technical features of the technical solutions provided by the present invention will be further clearly and completely described below with reference to the specific embodiments, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The words "preferred", "preferably", "more preferred", and the like, in the present invention, refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The invention provides a dyed veneer coating, which comprises a component A and a component B, wherein the weight ratio of the component A to the component B is 1: (0.1-0.5); wherein the component A comprises the following raw materials in percentage by weight: 30-50% of acrylate resin, 10-30% of cellulose organic acid ester, 1-20% of auxiliary agent, 1-10% of first filler and the balance of second filler; the component B comprises the following raw materials in percentage by weight: 20-40% of solvent, 0-1% of dehydrating agent and HDI curing agent.
In some preferred embodiments, the dyed veneer coating comprises an A component and a B component, wherein the weight ratio of the A component to the B component is 1: (0.1-0.3); wherein the component A comprises the following raw materials in percentage by weight: 35-45% of acrylate resin, 15-25% of cellulose organic acid ester, 8-15% of auxiliary agent, 3-8% of first filler and the balance of second filler; the component B comprises the following raw materials in percentage by weight: 25-35% of solvent, 0.2-0.8% of dehydrating agent and HDI curing agent.
In some more preferred embodiments, the dyed veneer coating comprises an A component and a B component, wherein the weight ratio of the A component to the B component is 1: 0.2; wherein the component A comprises the following raw materials in percentage by weight: 40% of acrylate resin, 20% of cellulose organic acid ester, 12% of auxiliary agent, 5% of first filler and the balance of second filler; the component B comprises the following raw materials in percentage by weight: 30 percent of solvent, 0.5 percent of dehydrating agent and HDI curing agent to complement the balance.
Component A
In some embodiments, the acrylate resin is a polar group-containing acrylate resin.
In some preferred embodiments, the polar group-containing acrylate resin is a hydroxy acrylate resin.
The kind of the hydroxy acrylate resin in the present invention is not particularly limited, and preferably, the hydroxy acrylate resin is at least one selected from the group consisting of FS-2460A, FS-2060A, Issman Uracrron 7122X-50, AC1150, Alcreset7105, AC4701, AC1010 and AC 3916; more preferably, the hydroxy acrylate resin is selected from at least one of FS-2460A, FS-2060A, Issman Uracron 7122X-50, AC1150, Alcreset 7105; most preferably, the hydroxy acrylate resin is FS-2460A.
In some embodiments, the cellulose organic acid ester is selected from the group consisting of cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate phthalate, cellulose acetate succinate in combination with one or more of them.
In some preferred embodiments, the cellulosic organic acid ester is cellulose acetate.
In some embodiments, the first filler is silica.
In some preferred embodiments, the first filler is selected from the Graves matting powder series.
In some preferred embodiments, the first filler is selected from at least one of ED-2, ED-3, C-906, C503, C-7, A360; more preferably, the first filler is selected from at least one of ED-2 and ED-3; most preferably, the first filler is ED-2.
In some embodiments, the mesh size of the second filler is 600-1500 mesh.
In some embodiments, the second filler is selected from at least one of talc, transparent powder, silica powder, diatomaceous earth.
In some preferred embodiments, the second filler is selected from the group consisting of silica micropowder.
In some preferred embodiments, the second filler is selected from the group consisting of 600# fine silica powder, 800# fine silica powder, 1250# fine silica powder; more preferably, the second filler is 1250# fine silica powder.
In some embodiments, the adjuvant comprises at least one of a dispersant, a defoamer, a leveling agent, an anti-uv absorber, an antioxidant.
In some preferred embodiments, the weight ratio of the dispersing agent, the defoaming agent, the leveling agent, the ultraviolet-resistant absorbent and the antioxidant is (0-1): (0-0.4): (0-0.2): (0.5-1.5): 1; preferably, the weight ratio of the dispersing agent, the defoaming agent, the leveling agent, the ultraviolet-resistant absorbent and the antioxidant is 0.5: 0.2: 0.1: 1: 1.
the kind of the dispersant in the invention is not particularly limited, preferably, the dispersant is at least one selected from EFKA4010, BYK110, BYK103 and TEGOtwin 4100; more preferably, the dispersant is TEGOtwin 4100.
The type of the defoaming agent in the present invention is not particularly limited, and preferably, the defoaming agent is at least one selected from BYK052, BYK066N, BYK141, BYK8800, AC270, AC300, and HX 2300; more preferably, the defoamer is BYK 052.
The kind of the leveling agent in the invention is not particularly limited, preferably, the leveling agent is selected from at least one of BYK358N, BYK333, BYK323, TEGO450 and EFKA 3777; more preferably, the leveling agent is BYK 358N.
The type of the anti-ultraviolet absorbent in the present invention is not particularly limited, and preferably, the anti-ultraviolet absorbent is at least one selected from Tinuvin292, Tinuvin1130, C81, UV362 and UV-P; more preferably, the anti-ultraviolet absorbent is at least one of Tinuvin292 and Tinuvin 1130.
The kind of the antioxidant in the present invention is not particularly limited, and preferably, the antioxidant is at least one selected from the group consisting of antioxidant 1010, antioxidant 1076, antioxidant 1330, and antioxidant 1098.
B component
In some embodiments, the solvent is selected from at least one of butyl acetate, ethyl acetate, dimethyl carbonate, propylene glycol methyl ether acetate; preferably, the solvent is selected from at least one of butyl acetate and ethyl acetate; preferably, the solvent is butyl acetate.
In some embodiments, the dehydrating agent is selected from at least one of dehydrating agent 902, dehydrating agent BF-5, dehydrating agent G-180; preferably, the dehydrating agent is a dehydrating agent BF-5.
In some embodiments, the HDI curing agent is selected from at least one of HT-100, HT-600, N3390, HI-100.
The second aspect of the present invention provides a method for preparing the dyed veneer paint, which at least comprises the following steps: adding the auxiliary agent into the acrylate resin and the cellulose organic acid ester, uniformly mixing, adding the first filler and the second filler, and uniformly dispersing to obtain a component A; and (3) adding the dehydrating agent and the HDI curing agent into the solvent, and mixing and stirring uniformly to obtain the component B.
The construction method of the dyed veneer coating comprises the following steps: adding the component A and the component B into a container according to the proportion, uniformly stirring, adding a proper amount of diluent for dilution, adjusting to proper viscosity, and performing spraying construction; the suitable viscosity is 10-15 seconds.
In some preferred embodiments, the suitable viscosity is 12 ± 1 second.
The suitable viscosity test method is as follows: before use, the rock field No. 2 cup is wiped clean by selecting a proper solvent, then the rock field No. 2 cup is immersed in the mixed liquid, the upper edge of the cup is lower than the horizontal surface of the mixed liquid, the cup is lifted out, the stopwatch is pressed at the same time, when the outflow line has a first fracture, the reading is carried out according to the stopwatch, and the average value is repeatedly obtained for three times.
The present invention is described in detail below by way of examples, and it should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.
Example 1
A dyeing veneer coating is prepared from a component A and a component B, wherein the weight ratio of the component A to the component B is 1: 0.2; wherein,
the component A comprises the following raw materials in percentage by weight: 40% of acrylate resin, 20% of cellulose organic acid ester, 12% of auxiliary agent, 5% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 30 percent of solvent, 0.5 percent of dehydrating agent and HDI curing agent to complement the balance.
The acrylate resin is hydroxyl acrylate resin with the trade name of FS-2460A.
The cellulose organic acid ester is cellulose acetate.
The first filler is silicon dioxide and the mark is ED-2.
The second filler is 1250# silicon micropowder.
The auxiliary agent comprises a dispersing agent, a defoaming agent, a leveling agent, an ultraviolet-resistant absorbent and an antioxidant, wherein the weight ratio of the dispersing agent to the defoaming agent to the leveling agent to the ultraviolet-resistant absorbent to the antioxidant is 0.5: 0.2: 0.1: 1: 1.
the dispersant is TEGOtwin 4100.
The defoaming agent is BYK 052.
The leveling agent is BYK 358N.
The uvioresistant absorbent is Tinuvin 292.
The antioxidant is selected from antioxidant 1010.
The solvent is butyl acetate.
The dehydrating agent is BF-5.
The HDI curing agent is HT-100.
Example 2
A dyeing veneer coating is prepared from a component A and a component B, wherein the weight ratio of the component A to the component B is 1: 0.1; wherein,
the component A comprises the following raw materials in percentage by weight: 35% of acrylate resin, 15% of cellulose organic acid ester, 8% of auxiliary agent, 3% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 25% of solvent, 0.2% of dehydrating agent and the balance of HDI curing agent.
The acrylate resin is hydroxyl acrylate resin with the trade name of FS-2460A.
The cellulose organic acid ester is cellulose acetate.
The first filler is silicon dioxide and the mark is ED-2.
The second filler is 1250# silicon micropowder.
The auxiliary agent comprises an anti-ultraviolet absorbent and an antioxidant, and the weight ratio of the anti-ultraviolet absorbent to the antioxidant is 1: 1.
the dispersant is TEGOtwin 4100.
The defoaming agent is BYK 052.
The leveling agent is BYK 358N.
The uvioresistant absorbent is Tinuvin 292.
The antioxidant is selected from antioxidant 1010.
The solvent is butyl acetate.
The dehydrating agent is BF-5.
The HDI curing agent is HT-100.
Example 3
A dyeing veneer coating is prepared from a component A and a component B, wherein the weight ratio of the component A to the component B is 1: 0.3; wherein,
the component A comprises the following raw materials in percentage by weight: 45% of acrylate resin, 25% of cellulose organic acid ester, 15% of auxiliary agent, 8% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 35% of solvent, 0.8% of dehydrating agent and the balance of HDI curing agent.
The acrylate resin is hydroxyl acrylate resin with the trade name of FS-2460A.
The cellulose organic acid ester is cellulose acetate.
The first filler is silicon dioxide and the mark is ED-2.
The second filler is 1250# silicon micropowder.
The auxiliary agent comprises a dispersing agent, a defoaming agent, a leveling agent, an ultraviolet-resistant absorbent and an antioxidant, wherein the weight ratio of the dispersing agent to the defoaming agent to the leveling agent to the ultraviolet-resistant absorbent to the antioxidant is 1: 0.4: 0.2: 1.5: 1.
the dispersant is TEGOtwin 4100.
The defoaming agent is BYK 052.
The leveling agent is BYK 358N.
The uvioresistant absorbent is Tinuvin 292.
The antioxidant is selected from antioxidant 1010.
The solvent is butyl acetate.
The dehydrating agent is BF-5.
The HDI curing agent is HT-100.
Example 4
A dyeing veneer coating is prepared from a component A and a component B, wherein the weight ratio of the component A to the component B is 1: 0.2; wherein,
the component A comprises the following raw materials in percentage by weight: 40% of acrylate resin, 20% of cellulose organic acid ester, 12% of auxiliary agent, 5% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 30 percent of solvent, 0.5 percent of dehydrating agent and HDI curing agent to complement the balance.
The acrylate resin is hydroxyl acrylate resin with the trade name of AC 3916.
The cellulose organic acid ester is cellulose acetate.
The first filler is silicon dioxide and the mark is ED-2.
The second filler is 1250# silicon micropowder.
The auxiliary agent comprises a dispersing agent, a defoaming agent, a leveling agent, an ultraviolet-resistant absorbent and an antioxidant, wherein the weight ratio of the dispersing agent to the defoaming agent to the leveling agent to the ultraviolet-resistant absorbent to the antioxidant is 0.5: 0.2: 0.1: 1: 1.
the dispersant is TEGOtwin 4100.
The defoaming agent is BYK 052.
The leveling agent is BYK 358N.
The uvioresistant absorbent is Tinuvin 292.
The antioxidant is selected from antioxidant 1010.
The solvent is butyl acetate.
The dehydrating agent is BF-5.
The HDI curing agent is HT-100.
Example 5
A dyeing veneer coating is prepared from a component A and a component B, wherein the weight ratio of the component A to the component B is 1: 0.2; wherein,
the component A comprises the following raw materials in percentage by weight: 40% of acrylate resin, 20% of cellulose organic acid ester, 12% of auxiliary agent, 5% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 30 percent of solvent, 0.5 percent of dehydrating agent and HDI curing agent to complement the balance.
The acrylate resin is hydroxyl acrylate resin with the trade name of FS-2460A.
The cellulose organic acid ester is cellulose acetate succinate.
The first filler is silicon dioxide and the mark is ED-2.
The second filler is 1250# silicon micropowder.
The auxiliary agent comprises a dispersing agent, a defoaming agent, a leveling agent, an ultraviolet-resistant absorbent and an antioxidant, wherein the weight ratio of the dispersing agent to the defoaming agent to the leveling agent to the ultraviolet-resistant absorbent to the antioxidant is 0.5: 0.2: 0.1: 1: 1.
the dispersant is TEGOtwin 4100.
The defoaming agent is BYK 052.
The leveling agent is BYK 358N.
The uvioresistant absorbent is Tinuvin 292.
The antioxidant is selected from antioxidant 1010.
The solvent is butyl acetate.
The dehydrating agent is BF-5.
The HDI curing agent is HT-100.
Performance testing
1. The dyed veneer paint prepared in example 1 was subjected to the following property tests, and the test results are shown in table 1.
Table 1 test results of example 1
2. The dyed veneer coatings prepared in examples 2 to 5 were subjected to yellowing resistance according to GB/T23983-.
TABLE 2 yellowing resistance test results
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content disclosed above into an equivalent embodiment with equivalent changes, but all those simple modifications, equivalent changes and modifications made on the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. The dyed veneer coating is characterized by comprising a component A and a component B, wherein the weight ratio of the component A to the component B is 1: (0.1-0.5);
wherein the component A comprises the following raw materials in percentage by weight: 30-50% of acrylate resin, 10-30% of cellulose organic acid ester, 1-20% of auxiliary agent, 1-10% of first filler and the balance of second filler;
the component B comprises the following raw materials in percentage by weight: 20-40% of solvent, 0-1% of dehydrating agent and HDI curing agent.
2. The dyed veneer coating of claim 1 wherein the weight ratio of component a to component B is from 1: (0.1-0.3).
3. The dyed veneer coating of claim 1, wherein the acrylate resin is a polar group-containing acrylate resin.
4. The dyed veneer coating of claim 3, wherein the polar group-containing acrylate resin is a hydroxy acrylate resin.
5. The dyed veneer coating of claim 1, wherein the cellulosic organic acid ester is selected from the group consisting of one or more of cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate phthalate, and cellulose acetate butyrate.
6. The dyed veneer coating of claim 1 wherein the first filler is silica.
7. The dyed veneer coating of claim 1 wherein the second filler is selected from at least one of talc, transparent powder, silica fume, diatomaceous earth.
8. The dyed veneer coating of any one of claims 1-6, wherein the adjuvant comprises at least one of a dispersant, a defoamer, a leveling agent, an ultraviolet absorber, an antioxidant.
9. A method of preparing a dyed bark paint according to any one of claims 1 to 8, comprising at least the steps of: adding the auxiliary agent into the acrylate resin and the cellulose organic acid ester, uniformly mixing, adding the first filler and the second filler, and uniformly dispersing to obtain a component A; and (3) adding the dehydrating agent and the HDI curing agent into the solvent, and mixing and stirring uniformly to obtain the component B.
10. The construction method of the dyed veneer paint according to any one of claims 1 to 8, characterized in that the component A and the component B are added into a container according to the proportion and stirred evenly, and then a proper amount of diluent is added for dilution, and the viscosity is adjusted to be proper for spraying construction; the suitable viscosity is 10-15 seconds.
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| CN114806363A (en) * | 2021-09-10 | 2022-07-29 | 上海君子兰新材料股份有限公司 | Thin, transparent and flashing shrinkage-proof varnish, and preparation method and use method thereof |
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Denomination of invention: Dyed wood veneer coating and its preparation method and application method Effective date of registration: 20221101 Granted publication date: 20220315 Pledgee: Agricultural Bank of China Limited Shanghai Yangtze River Delta Integrated Demonstration Zone Sub branch Pledgor: SHANGHAI JUNZILAN NEW MATERIAL Co.,Ltd. Registration number: Y2022310000307 |
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