CN116656234A - Anti-fouling Gao Wenban matte varnish and preparation method and application thereof - Google Patents
Anti-fouling Gao Wenban matte varnish and preparation method and application thereof Download PDFInfo
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- CN116656234A CN116656234A CN202310632200.8A CN202310632200A CN116656234A CN 116656234 A CN116656234 A CN 116656234A CN 202310632200 A CN202310632200 A CN 202310632200A CN 116656234 A CN116656234 A CN 116656234A
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- 239000002966 varnish Substances 0.000 title claims abstract description 62
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920003180 amino resin Polymers 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 230000008033 biological extinction Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims description 19
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- -1 polydimethylsiloxane Polymers 0.000 claims description 9
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 4
- 238000009775 high-speed stirring Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims 2
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006224 matting agent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/42—Gloss-reducing agents
-
- 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
- C09D7/47—Levelling agents
-
- 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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to an anti-fouling Gao Wenban matte varnish, a preparation method and application thereof, wherein the semi-matte varnish comprises the following components in parts by weight: 40-50 parts of organic silicon resin, 1-7 parts of amino resin, 0.1-0.5 part of flatting agent, 0.5-2 parts of extinction powder, 0.5-5 parts of wax powder and 40-50 parts of solvent; the preparation method comprises the following steps: uniformly stirring the solvent and the organic silicon resin in the dispersing kettle; then adding amino resin and stirring uniformly; then adding extinction powder and stirring at high speed; adding wax powder and stirring at high speed; then adding a leveling agent and stirring at a low speed; filtering to obtain the single-component semi-matte varnish. Compared with the prior art, the semi-matte varnish is formed by combining single-component varnish without a curing agent according to the weight ratio, has the advantages of simple preparation method, wide raw material selection and the like, and has the advantages of being smooth in surface, greatly improved in stain resistance, high in hardness, good in scratch resistance, high in transparency, good in permeability, good in interlayer adhesion, good in hardness, high temperature resistance, MEK resistance and the like.
Description
Technical Field
The invention belongs to the technical field of coatings, relates to an anti-fouling Gao Wenban matte varnish, a preparation method and application thereof, and particularly relates to a semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-fouling high temperature resistance, and a preparation method and application thereof.
Background
The varnish as one kind of important paint has the functions of decoration, protection, etc. and may be used in painting furniture, floor, door, window, automobile, etc. However, with the importance of environmental protection and the increasing strictness of environmental protection regulations of various countries, the requirements on the performance of the paint are increasingly improved, and the environmental protection requirements of paint manufacturers and paint users on the paint and the improvement of the performance of the paint are particularly important, so that the requirements are high.
Most of the existing matte varnish has the problems of poor scratch resistance, no pollution resistance, no high temperature resistance and the like, so that when the matte varnish product is used, the scratch resistance of the surface of the dried varnish is poor, the high temperature resistance is poor, and the appearance of a coated part can be directly influenced.
Disclosure of Invention
The invention aims to provide an anti-fouling Gao Wenban matte varnish, and a preparation method and application thereof. The semi-matte varnish is a single-component varnish, is not required to be combined with a curing agent according to the weight ratio, has the advantages of simple preparation method, wide raw material selection and the like, and has the advantages of smooth surface, greatly improved stain resistance, high hardness, good scratch resistance, high transparency, good permeability, good interlayer adhesion, good hardness, high temperature resistance, MEK resistance and the like.
The aim of the invention can be achieved by the following technical scheme:
an anti-fouling Gao Wenban matte varnish comprises the following components in parts by weight:
further preferably, the semi-matte varnish comprises the following components in parts by weight:
further, the organic silicon resin is OT-8650 type organic silicon resin.
Further, the amino resin is 303LF type amino resin.
Further, the flatting agent is polyether modified polydimethylsiloxane, the extinction powder is silicon dioxide with the surface subjected to organic treatment, and the wax powder is graded micronized polytetrafluoroethylene modified polyethylene wax.
Further, the leveling agent is BYK-333 type leveling agent; the extinction powder is E-1011 extinction powder; the wax powder is 1778 type wax powder.
Further, the solvent is one of SOLVESSO 150, cyclohexanone and butyl acetate/n-butyl acetate mixed solution. The mixed solvent is preferably composed of the components in a mass ratio of 1.3:2:1.3.
A method for preparing an anti-fouling Gao Wenban matte varnish, which comprises the following steps:
adding the solvent into a dispersion kettle, adding the organic silicon resin, and uniformly stirring; then adding amino resin and stirring uniformly; then adding extinction powder, stirring at high speed for 20-25min; adding wax powder, and stirring at high speed for 15-20min; adding a leveling agent and stirring at a low speed for 10-15min; filtering to obtain the single-component semi-matte varnish.
Further, the rotating speed of the high-speed stirring is 1500-2000 rpm, and the rotating speed of the low-speed stirring is 100-300 rpm.
An application of antifouling Gao Wenban matt varnish comprises the step of using the semi-matt varnish as paint for coating automobile exhaust pipes.
Compared with the prior art, the invention has the following characteristics:
1) Because the organic silicon resin with good compatibility is matched with the amino resin to be used as the matrix resin, the hardness of a varnish film can be ensured, the scratch resistance of the film is effectively improved, and the prepared varnish product has high film hardness and good scratch resistance effect;
2) The paint adopts proper auxiliary agent proportion, has good leveling property, reduces the addition of diluent in construction, is easy to spray, has quick solvent release in curing, has little solvent residue after film forming and curing, and is a low-VOC environment-friendly paint;
3) The preparation method is simple, the raw materials are widely selected, and the prepared semi-matte varnish has smooth surface, high hardness, good scratch resistance, high transparency, good permeability, good interlayer adhesion and no residual organic smell, and can be used for protecting decoration.
Detailed Description
The present invention will be described in detail with reference to specific examples.
An anti-fouling Gao Wenban matte varnish comprises the following components in parts by weight:
further preferably, the semi-matte varnish comprises the following components in parts by weight:
wherein the organic silicon resin is OT-8650 organic silicon resin. The organic reactive group-containing organosilicon prepolymer is prepared by reacting organosilicon prepolymer and organic resin by adopting the latest technology. The resin has the advantages of excellent fullness, gloss retention, color retention, water resistance, oil resistance, no dirt sticking, excellent electrical insulation property, excellent temperature resistance (500 ℃), corrosion resistance, weather resistance and the like. The main technical indexes are that the solid content is 60+/-2%, the acid value is less than 5, and the appearance is colorless transparent liquid. The resin can be dissolved in organic solvents such as toluene, xylene, lipid, ketone and the like; can also be prepared into baking type and self-drying type heat-resistant coatings.
The amino resin was 303LF amino resin. The amino resin is fast crosslinked, slow self-polymerized and insoluble in water. And the stabilizer has excellent hardness and toughness and is good, and the curing reaction is catalyzed rapidly. Can be applied to: coil coating, can, container coating, automotive topcoat, high solids and water-borne coating, general industrial baking paint, ink, and the like.
In addition, the low formaldehyde characteristic of the amino resin is more compatible with the environmental protection requirement, has good collocation with the organic silicon resin, does not influence the transparency, and can effectively enhance the adhesive force and the hardness of a paint film after being mixed.
The leveling agent is polyether modified polydimethylsiloxane, the extinction powder is silicon dioxide with the surface subjected to organic treatment, and the wax powder is graded micronized polytetrafluoroethylene modified polyethylene wax.
The leveling agent is BYK-333 type leveling agent, can effectively improve the smoothness of the surface of the paint, can improve the wettability of a substrate, has good shrinkage-preventing performance, and can effectively increase the smoothness, scratch resistance and adhesion resistance of the surface;
the matting powder is E-1011 matting powder, the particle size of the matting agent is about 1.7 microns after organic treatment, the matting agent has higher matting efficiency, smooth surface hand feeling and good stability, and simultaneously, the matting agent can obtain high transparency in the matting process of varnish;
the wax powder is 1778 type wax powder, can obviously improve scratch resistance and smoothness of a paint film, has strong smooth hand feeling and strong surface protection capability, and has the performance advantages of reducing the friction force of a coating and the like.
The solvent is one of SOLVESSO 150, cyclohexanone and mixed solution of butyl acetate and n-butyl acetate. The mixed solvent is preferably composed of the components in a mass ratio of 1.3:2:1.3.
A method for preparing an anti-fouling Gao Wenban matte varnish, which comprises the following steps:
adding the solvent into a dispersion kettle, adding the organic silicon resin, and uniformly stirring; then adding amino resin and stirring uniformly; then adding extinction powder, stirring at high speed for 20-25min; adding wax powder, and stirring at high speed for 15-20min; adding a leveling agent and stirring at a low speed for 10-15min; filtering to obtain the single-component semi-matte varnish.
Wherein the rotating speed of high-speed stirring is 1500-2000 rpm, and the rotating speed of low-speed stirring is 100-300 rpm.
An application of antifouling Gao Wenban matte varnish comprises the step of using the semi-matte varnish as a paint for coating an automobile exhaust pipe.
The invention selects the organic silicon resin OT-8650 and the amino resin 303LF to be matched for use, simultaneously ensures the hardness of a paint film, controls the drying and film forming time and temperature, and simultaneously, the wax powder 1778 and the wetting leveling agent BYK-333 are added, so that the smoothness of the paint surface can be effectively improved, and the prepared varnish has excellent high-hardness paint film and good scratch resistance effect.
The components of the matte varnish disclosed by the invention are high in solid content, low in viscosity and good in leveling property, the addition of a diluent in construction is reduced, and the matte varnish is easy to spray. Meanwhile, the glass transition temperature of the organic silicon resin OT-8650 and the amino resin 303LF is high, so that the solvent is released quickly when the coating is cured, the solvent can be fully volatilized, the organic solvent content is extremely low in the later film forming process, and no smell remains after 24 hours.
In the aspect of transparency, the E-1011 extinction powder is selected, and has the advantages of small particle size, higher extinction efficiency, uniform particle size distribution, large void ratio, and self refractive index similar to that of the organic silicon resin and the amino resin after organic treatment, thus being beneficial to improving the transparency of the varnish and leading the varnish to have good permeability.
The following examples are given with the above technical solutions of the present invention as a premise, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Example 1:
a semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-pollution and high temperature resistance is a single-component varnish, and is formed by combining the single-component varnish with a curing agent according to a weight ratio;
the single-component semi-matte varnish comprises the following components in parts by weight:
the solvent was mixed with 13.3 parts SOLVESSO 150, 20.6 parts cyclohexanone and 13.3 parts butyl acetate/n-butyl acetate.
The preparation method of the semi-matte varnish specifically comprises the following steps:
adding the solvent into a dispersion kettle, adding the organic silicon resin, and uniformly stirring; then adding amino resin and stirring uniformly; then adding extinction powder, stirring at high speed for 20-25min; adding wax powder, and stirring at high speed for 15-20min; adding a leveling agent and stirring at a low speed for 10-15min; filtering with 300 mesh filter screen to obtain single-component semi-matte varnish;
wherein the rotation speed of high-speed stirring is 2000 rpm, and the rotation speed of low-speed stirring is 200 rpm. The embodiment is applied to tin plate without primer, polished and wiped clean, and the baking temperature is 220 ℃ and the baking time is 30 minutes.
Example 2:
the semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-fouling and high temperature resistance is different from the semi-matte varnish in example 1 only in that: 44 parts of organic silicon resin, 5 parts of amino resin, 0.1 part of flatting agent, 1.5 parts of extinction powder, 1 part of wax powder and 48.4 parts of solvent. The procedure is as in example 1.
Comparative example 1:
the semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-fouling and high temperature resistance is different from the semi-matte varnish in example 1 only in that: the extinction powder is OK-500. The procedure is as in example 1.
Comparative example 2:
the semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-fouling and high temperature resistance is different from the semi-matte varnish in example 1 only in that: the organic silicon resin is OT-8620. The procedure is as in example 1.
Comparative example 3:
the semi-matte varnish for an automobile exhaust pipe meeting the requirements of anti-fouling and high temperature resistance is different from the semi-matte varnish in example 1 only in that: the mass ratio of the organic silicon resin to the amino resin is 10:1. The procedure is as in example 1.
The paint film properties are shown in Table 1.
TABLE 1
From the above table it can be observed that: example 1 is superior to other proposal effects in the aspects of adhesion, stain resistance, smoothness and the like, and the brand screening and the dosage of raw materials are relatively good.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (10)
1. The antifouling Gao Wenban matte varnish is characterized by comprising the following components in parts by weight:
2. the anti-fouling Gao Wenban matte varnish according to claim 1 is characterized by comprising the following components in parts by weight:
3. the anti-fouling Gao Wenban matte varnish according to claim 1 or 2, wherein the silicone resin is an OT-8650 type silicone resin.
4. The antifouling Gao Wenban matte varnish according to claim 1 or 2, wherein the amino resin is 303LF amino resin.
5. The anti-fouling Gao Wenban matte varnish according to claim 1 or 2, wherein the leveling agent is polyether modified polydimethylsiloxane, the matting powder is silica with the surface subjected to organic treatment, and the wax powder is graded micronized polytetrafluoroethylene modified polyethylene wax.
6. The anti-fouling Gao Wenban matte varnish according to claim 5, wherein the flatting agent is BYK-333 flatting agent, the flatting powder is E-1011 flatting powder, and the wax powder is 1778 wax powder.
7. The anti-fouling Gao Wenban matte varnish according to claim 1, wherein the solvent is at least one of solvosiso 150, cyclohexanone and butyl acetate/n-butyl acetate mixed solution.
8. A method for preparing an anti-fouling Gao Wenban matte varnish according to any one of claims 1 to 7, comprising:
adding the solvent into a dispersion kettle, adding the organic silicon resin, and uniformly stirring; then adding amino resin and stirring uniformly; then adding extinction powder, stirring at high speed for 20-25min; adding wax powder, and stirring at high speed for 15-20min; adding a leveling agent and stirring at a low speed for 10-15min; filtering to obtain the single-component semi-matte varnish.
9. The method for preparing the anti-fouling Gao Wenban matte varnish according to claim 8, wherein the rotating speed of the high-speed stirring is 1500-2000 rpm, and the rotating speed of the low-speed stirring is 100-300 rpm.
10. Use of an anti-fouling Gao Wenban matt varnish according to any of claims 1 to 7, characterised in that it is used as a paint for automotive exhaust pipe painting.
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| CN202310632200.8A CN116656234A (en) | 2023-05-31 | 2023-05-31 | Anti-fouling Gao Wenban matte varnish and preparation method and application thereof |
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| CN202310632200.8A CN116656234A (en) | 2023-05-31 | 2023-05-31 | Anti-fouling Gao Wenban matte varnish and preparation method and application thereof |
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| KR20120003690A (en) * | 2010-07-05 | 2012-01-11 | 유한회사 피피지코리아 | Highly scratch resistant 1k clearcoats composition using silane modified blocked isocynate for automotive |
| CN106752334A (en) * | 2015-11-25 | 2017-05-31 | 重庆伟恒包装有限公司 | The preparation method of high-fire resistance ink varnish signal layer coating |
| CN106800820A (en) * | 2015-11-25 | 2017-06-06 | 重庆伟恒包装有限公司 | The preparation method of high temperature resistant ink varnish |
| KR20170085866A (en) * | 2016-01-15 | 2017-07-25 | 주식회사 케이씨씨 | One-component type matt solvent paint composition for automotive top coating |
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