CN113372799A - Water-based bi-component anti-skid coating and preparation method thereof - Google Patents
Water-based bi-component anti-skid coating and preparation method thereof Download PDFInfo
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- CN113372799A CN113372799A CN202110573031.6A CN202110573031A CN113372799A CN 113372799 A CN113372799 A CN 113372799A CN 202110573031 A CN202110573031 A CN 202110573031A CN 113372799 A CN113372799 A CN 113372799A
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- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910001868 water Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 79
- 239000011347 resin Substances 0.000 claims abstract description 50
- 229920005989 resin Polymers 0.000 claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000003973 paint Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 12
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 11
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 11
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 11
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 9
- 238000004381 surface treatment Methods 0.000 claims abstract description 9
- 229920001558 organosilicon polymer Polymers 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 29
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 29
- 239000002518 antifoaming agent Substances 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 12
- -1 polysiloxane Polymers 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 11
- 239000006184 cosolvent Substances 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 10
- 239000012748 slip agent Substances 0.000 claims description 10
- 239000004408 titanium dioxide Substances 0.000 claims description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 9
- 239000002250 absorbent Substances 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- 239000000080 wetting agent Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical group COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012964 benzotriazole Substances 0.000 claims description 4
- UYAAVKFHBMJOJZ-UHFFFAOYSA-N diimidazo[1,3-b:1',3'-e]pyrazine-5,10-dione Chemical group O=C1C2=CN=CN2C(=O)C2=CN=CN12 UYAAVKFHBMJOJZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229940116423 propylene glycol diacetate Drugs 0.000 claims description 4
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 3
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical group [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000004132 cross linking Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229920005573 silicon-containing polymer Polymers 0.000 abstract description 3
- 229910002808 Si–O–Si Inorganic materials 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 229920002050 silicone resin Polymers 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910014314 BYK190 Inorganic materials 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005406 washing Methods 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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)
- Polyurethanes Or Polyureas (AREA)
Abstract
The application provides a water-based bi-component anti-skid coating and a preparation method thereof, which belong to the technical field of water-based coatings and comprise a component A and a component B, wherein the component A comprises matrix resin, filler slurry, anti-skid particles and the like, and the component B comprises hydrophilic aliphatic polyisocyanate and a solvent; the mass ratio of the component A to the component B is 5: 1. Wherein the matrix resin comprises: hydroxyl acrylic resin and hydroxyl-terminated silicone resin; the filler slurry comprises: abrasion resistant resins, silicone polymers, and the like. The hydroxyl-terminated organic silicon resin contains hydroxyl, can participate in the reaction, improves the crosslinking degree, introduces organic silicon components into the resin, has a synergistic effect with an organic silicon polymer, and improves the hardness, weather resistance, chemical resistance and scratch resistance of a paint film by utilizing the principle that Si-O-Si bonds accumulate on the surface of the paint film in the curing process; the integral hydroxyl value of the resin is adjusted, and the reaction speed is controlled by matching with a curing agent, so that the bubble leading-out process is completed, and the paint film is thick and does not bubble; the surface treatment technology of the anti-skid particles is adopted, so that the binding force between the anti-skid particles and resin is increased.
Description
Technical Field
The invention relates to the technical field of water-based paint, in particular to water-based two-component anti-skid paint and a preparation method thereof.
Background
At present, oil-based anti-slip coatings are mostly used as anti-slip coatings, and water-based anti-slip coatings are rarely applied. A large amount of volatile organic solvents such as benzene, alcohol, ketone and the like can be added into the oily anti-slip coating, so that the oily anti-slip coating has the risks of flammability and explosiveness in production, storage, transportation and use, and has great harm to human health and environmental safety. The existing water-based anti-skid paint has the defects of insufficient strength, easy abrasion, poor chemical resistance, poor weather resistance and the like. The anti-skid granules used at present mainly comprise three types, one type is inorganic sand grains, such as quartz sand, silicon carbide particles, aluminum oxide wear-resistant filler, glass microspheres, ceramic granules and the like, and the anti-skid granules have the advantages of easily available raw materials, low price, high hardness and high friction force and have the defects of high specific gravity, easy sedimentation, easy gun blockage during spraying, uneven dispersion of brushing and rolling-coating sand grains and poor impact resistance and easy falling off; the second kind is organic resin particles, such as resin particles, waste rubber particles, polyurea particles, etc., which have the advantages of small specific gravity, difficult sedimentation, uniform dispersion, elasticity and good impact resistance, and the disadvantages of slightly poor friction force and poor adhesion force; the third is anti-skid resin, mainly organosilicon modified polyester resin, which contains high active groups and has hydrophobicity, changes the state of a paint film and increases the frictional resistance of the coating. The existing anti-slip coating is mainly oily, has high toxicity, has a large amount of organic solvents harmful to the environment and human health, and has fire safety hidden danger. The water-based anti-skid paint on the market at present has poor performance, poor chemical resistance, poor weather resistance and poor anti-skid effect, and the single component has poor storage stability, and anti-skid particles are easy to settle and layer.
Therefore, there is a need to research a water-based two-component anti-skid coating which meets the requirements of high chemical resistance, high weather resistance, high anti-skid and wear resistance, can reduce VOC emission, enables the coating to be healthier for people in the production and use processes, is more environment-friendly, has a simple construction process, and can solve the problem of thick-coating foaming of a water-based two-component polyurethane coating.
Disclosure of Invention
In view of the above, the invention provides the water-based bi-component anti-slip coating, which has the advantages of easily available raw materials, adoption of roll coating construction, one-step forming of thick coating, no need of large-scale spraying equipment, and simple and convenient construction; hydroxyl acrylic resin and hydroxyl-terminated organic silicon resin are adopted as matrix resin, and bubbles are not generated in thick coating, so that the coating has high hardness, high weather resistance and high chemical resistance; the surface treatment technology of the anti-skid particles is adopted, so that the surfaces of the particles are provided with a large number of polar groups, and the binding force with resin is increased.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a water-based bi-component anti-skid coating, which consists of a component A and a component B, and comprises the following components in parts by weight,
the component A consists of the following raw materials: 50-70 parts of matrix resin, 20-50 parts of filler slurry, 0.4-0.8 part of wetting agent, 0.2-0.6 part of defoaming agent, 0.2-0.6 part of flatting agent, 2-4 parts of cosolvent and 25-35 parts of anti-skid particles; wherein,
the matrix resin is hydroxyl acrylic resin and hydroxyl-terminated organic silicon resin;
the filler slurry is prepared from the following raw materials: 10-20 parts of water, 5-20 parts of titanium dioxide, 20-30 parts of barium sulfate, 20-30 parts of quartz powder, 0.2-0.8 part of dispersing agent, 3-5 parts of anti-settling agent, 0.2-0.6 part of defoaming agent, 3-10 parts of anti-slip agent, 5-10 parts of wear-resistant resin, 10-20 parts of organic silicon polymer and 0.2-0.5 part of ultraviolet absorbent;
the component B consists of the following raw materials: 15-25 parts of hydrophilic aliphatic polyisocyanate and 10-15 parts of solvent;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
Further, the anti-skid particles comprise silicon carbide fibers subjected to surface treatment, rubber particles and silicon carbide particles, and the mass ratio of the silicon carbide fibers to the rubber particles to the silicon carbide particles is (5-10): (15-25): (65-80).
Further, the preparation process of the anti-skid particles is as follows:
crushing the waste rubber leftover materials into 20-40-mesh particles by using a crusher, performing surface roughening treatment by using a sand mill, and sieving the particles to obtain 20-40-mesh rubber particles;
silicon carbide fibers, rubber particles and silicon carbide particles are mixed according to the mass ratio of (5-10): (15-25): (65-80) after uniformly mixing in proportion, carrying out surface treatment by using a coupling agent;
wherein the length of the silicon carbide fiber is 0.5-1.5 mm, and the particle size of the silicon carbide particles is 20-40 meshes.
Further, the coupling agent is an epoxy siloxane oligomer, and the epoxy siloxane oligomer comprises Z-6040 and KH 560.
Further, the hydroxy acrylic resin includes
2470、Bayhydrol A 2695、Bayhydrol A 2646、
Any one of OH 8770 ap;
the hydroxyl-terminated organic silicon resin is DCA-1125;
the wetting agent is organosilicon surfactant
WE3225；
The defoaming agent is a star polymer defoaming agent
ET2412；
The leveling agent is fluorinated polyacrylate
FL3772；
The cosolvent is tripropylene glycol monomethyl ether and/or dipropylene glycol methyl ether.
Further, the titanium dioxide is any one of R902, R104 or R706;
the particle size of the barium sulfate is 1500-3000 meshes;
the grain size of the quartz powder is 1250-3000 meshes;
the wear-resistant resin is organic silicon resin powder
MP 50 E。
Further, the dispersant is a high molecular weight block copolymer BYK 190;
the anti-settling agent is modified magnesium aluminum silicate z 18;
the defoaming agent comprises a mixture of a foam breaking polymer and polysiloxane and a mixture of polyether modified polydimethylsiloxane, wherein the mixture of the foam breaking polymer and the polysiloxane is BYK-024, and the polyether modified polydimethylsiloxane is BYK-1770;
the anti-slip agent is modified polyether BYK-UV 3535;
the ultraviolet agent is benzotriazole mixture UV-1130 and/or hindered amine UV-123.
Further, hydrophilic aliphatic polyisocyanates are
N 3900；
Solvent propylene glycol diacetate PGDA.
The invention also provides a preparation method of the water-based two-component anti-skid paint, which comprises the following steps:
preparation of component A:
(1) preparing filler slurry: adding water, titanium dioxide, barium sulfate, quartz powder, a dispersing agent, an anti-settling agent, a defoaming agent, an anti-slip agent, wear-resistant resin, an organic silicon polymer and an ultraviolet absorbent into a dispersing cylinder in proportion, dispersing uniformly at a high speed, then introducing into a sand mill, and grinding until the particle size is less than 15 mu m;
(2) adding matrix resin, filler slurry, a wetting agent, a defoaming agent, a leveling agent, a cosolvent and anti-skid particles into a dispersion cylinder in proportion, and uniformly dispersing at a high speed to obtain a component A;
preparation of the component B:
adding hydrophilic aliphatic polyisocyanate and a solvent into a dispersion cylinder according to a proportion, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
Further, the preparation process of the anti-slip particles is as follows: crushing the waste rubber leftover materials into 20-40-mesh particles by using a crusher, performing surface roughening treatment by using a sand mill, and sieving the particles to obtain 20-40-mesh rubber particles;
silicon carbide fibers, rubber particles and silicon carbide particles are mixed according to the mass ratio of (5-10): (15-25): (65-80) after uniformly mixing, carrying out surface treatment by using a coupling agent.
The water-based bi-component anti-slip coating has the following beneficial effects:
(1) the coating has excellent anti-skid performance, and the friction coefficient is as follows: not less than 1.2 (dry state); not less than 0.9 (wet state).
(2) The paint has excellent weather resistance and water resistance: the time is more than or equal to 1400 h; salt water resistance [ NaCl, 5% (wt) ]]Not less than 960 h; resistance to sulfuric acid [ H ]2SO4,5％(wt)]Is more than or equal to 720 h; acetic acid resistance [ HAC, 5% (wt) ]]Is more than or equal to 300 h; resistance to sodium hydroxide [ NaOH, 5% (wt) ]]Is more than or equal to 720 h; gasoline resistance [200# ]]: the time is more than or equal to 1500 h; oil resistance: more than or equal to 1600 hours; abrasion resistance (500r/1000 g): less than or equal to 12 mg; resistance to artificial weather aging: the time is more than or equal to 6000 hours.
(3) The coating can be constructed by roll coating, thick coating can be formed at one time, large-scale spraying equipment is not needed, construction is simple and convenient, and bubbles are not generated in thick coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a water-based bi-component anti-skid coating, which consists of a component A and a component B, and comprises the following components in parts by weight,
the component A consists of the following raw materials: 50-70 parts of matrix resin, 20-50 parts of filler slurry, 0.4-0.8 part of wetting agent, 0.2-0.6 part of defoaming agent, 0.2-0.6 part of flatting agent, 2-4 parts of cosolvent and 25-35 parts of anti-skid particles; wherein,
the matrix resin is hydroxyl acrylic resin and hydroxyl-terminated organic silicon resin;
the filler slurry is prepared from the following raw materials: 10-20 parts of water, 5-20 parts of titanium dioxide, 20-30 parts of barium sulfate, 20-30 parts of quartz powder, 0.2-0.8 part of dispersing agent, 3-5 parts of anti-settling agent, 0.2-0.6 part of defoaming agent, 3-10 parts of anti-slip agent, 5-10 parts of wear-resistant resin, 10-20 parts of organic silicon polymer and 0.2-0.5 part of ultraviolet absorbent;
the component B consists of the following raw materials: 15-25 parts of hydrophilic aliphatic polyisocyanate and 10-15 parts of solvent;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
The anti-skid particles comprise silicon carbide fibers, rubber particles and silicon carbide particles which are subjected to surface treatment, and the mass ratio of the silicon carbide fibers to the rubber particles to the silicon carbide particles is (5-10): (15-25): (65-80). The preparation process comprises the following steps:
crushing the waste rubber leftover materials into 20-40-mesh particles by using a crusher, performing surface roughening treatment by using a sand mill, and sieving the particles to obtain 20-40-mesh rubber particles;
silicon carbide fibers, rubber particles and silicon carbide particles are mixed according to the mass ratio of (5-10): (15-25): (65-80) after uniformly mixing in proportion, carrying out surface treatment by using a coupling agent; wherein the length of the silicon carbide fiber is 0.5-1.5 mm, and the particle size of the silicon carbide particles is 20-40 meshes.
Wherein the coupling agent is an epoxy siloxane oligomer, and the epoxy siloxane oligomer comprises Z-6040, KH560 and the like. The hydroxy acrylic resin comprises
2470、Bayhydrol A 2695、Bayhydrol A 2646、
OH 8770ap, etc.; the hydroxyl-terminated organic silicon resin is DCA-1125; moisteningThe agent is organosilicon surfactant
WE 3225; the defoaming agent is a star polymer defoaming agent
ET 2412; the leveling agent is fluorinated polyacrylate
FL 3772; the cosolvent is tripropylene glycol monomethyl ether and/or dipropylene glycol methyl ether. The titanium dioxide is any one of R902, R104 or R706; the particle size of the barium sulfate is 1500 meshes-3000 meshes; the grain size of the quartz powder is 1250-3000 meshes; the wear-resistant resin is organic silicon resin powder
MP 50E. The dispersant is a high molecular weight block copolymer BYK 190; the anti-settling agent is modified magnesium aluminum silicate z 18; the defoaming agent comprises a mixture of a foam breaking polymer and polysiloxane and a mixture of polyether modified polydimethylsiloxane, wherein the mixture of the foam breaking polymer and the polysiloxane is BYK-024, and the polyether modified polydimethylsiloxane is BYK-1770; the anti-slip agent is modified polyether BYK-UV 3535; the ultraviolet absorbent is benzotriazole mixture UV-1130 and/or hindered amine UV-123.
Wherein the hydrophilic aliphatic polyisocyanate is
N3900; the solvent is propylene glycol diacetate PGDA.
The water-based bi-component anti-slip coating has the advantages that the raw materials are easy to obtain, the roll coating construction can be adopted, the thick coating can be formed at one time, and the construction is simple and convenient; hydroxyl acrylic resin and hydroxyl-terminated organic silicon resin are used as matrix resin, the hydroxyl-terminated organic silicon resin contains hydroxyl functional groups and can participate in crosslinking reaction to improve the crosslinking degree, organic silicon components are introduced into a resin system, and Si-O-Si bonds formed on the surface of a paint film can improve the hardness, weather resistance, chemical resistance and scratch resistance of the paint film, so that the paint film has high hardness, high weather resistance and high chemical resistance; the integral hydroxyl value of the resin is adjusted, and the reaction speed is controlled by matching with a corresponding curing agent, so that the processes of defoaming, breaking bubbles and the like are completed, and the aim of preventing bubbles from forming during coating the paint film is fulfilled; the surface treatment technology of the anti-skid particles is adopted, so that the surfaces of the particles are provided with a large number of polar groups, and the binding force with resin is increased.
The invention also provides a preparation method of the water-based two-component anti-skid paint, which comprises the following steps:
preparation of component A:
(1) preparing filler slurry: adding water, titanium dioxide, barium sulfate, quartz powder, a dispersing agent, an anti-settling agent, a defoaming agent, an anti-slip agent, wear-resistant resin, an organic silicon polymer and an ultraviolet absorbent into a dispersing cylinder in proportion, dispersing uniformly at a high speed, then introducing into a sand mill, and grinding until the particle size is less than 15 mu m;
(2) adding matrix resin, filler slurry, a wetting agent, a defoaming agent, a leveling agent, a cosolvent and anti-skid particles into a dispersion cylinder in proportion, and uniformly dispersing at a high speed to obtain a component A;
preparation of the component B:
adding hydrophilic aliphatic polyisocyanate and a solvent into a dispersion cylinder according to a proportion, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
Example 1
A water-based two-component anti-skid paint is prepared by the following steps: the following components are calculated according to the parts by weight,
preparation of S1 anti-slip particles:
putting the waste rubber leftover into a crusher to be crushed into particles of 20-40 meshes, then carrying out surface roughening treatment by using a sand mill, and sieving the particles of 20-40 meshes; silicon carbide fibers, rubber particles and silicon carbide particles are mixed according to the weight ratio of 2: 5: and (3) putting the mixture into a dispersion tank in proportion of 13, uniformly mixing, gradually completing the steps of washing, filtering and drying, then putting the mixed particles into a 1% silane coupling agent Z-6040 ethanol aqueous solution for soaking, slowly stirring for 30min, taking out, and drying for later use.
Preparation of the S2A component:
(1) preparing filler slurry: 20 parts of water, 10 parts of titanium dioxide R902, 20 parts of barium sulfate (1500-3000 meshes), 20 parts of quartz powder (1250-3000 meshes), 2.5 parts of dispersant BYK190, 0.5 part of anti-settling agent z18, 2 parts of first defoaming agent (mixture of BYK-024 and BYK-1770), 5 parts of anti-slip agent BYK-UV3535 and 5 parts of wear-resistant resin
MP 50E, 10 parts of organic silicon polymer and 5 parts of ultraviolet absorbent benzotriazole mixture UV-1130 are added into a dispersion cylinder, uniformly dispersed at a high speed, and then introduced into a sand mill to be ground until the particle size is less than 15 mu m;
(2) 30 parts of hydroxy acrylic resin
2470. 20 parts of hydroxyl-terminated organic silicon resin DCA-1125, 20 parts of filler slurry and 0.4 part of wetting agent
WE3225, 0.2 parts of a second antifoaming agent
ET2412, 0.4 parts of flatting agent
FL3772, 4 parts of cosolvent tripropylene glycol monomethyl ether and 25 parts of anti-skid particles are added into a dispersion cylinder in proportion and uniformly dispersed at high speed to obtain a component A;
preparation of the S3B component:
4 parts of hydrophilic aliphatic polyisocyanate
Adding N3900 and 1 part of propylene glycol diacetate PGDA solvent into a dispersion cylinder, and uniformly stirring to obtain a component B;
s4, uniformly mixing the prepared component A and the component B according to the mass ratio of 5:1, and directly brushing for use.
Comparative example 1
Comparative example 1 differs from example 1 in that a filler slurry was prepared without the silicone polymer, and the other examples are the same.
Comparative example 2
Comparative example 2 differs from example 1 in that all of the matrix resins used are hydroxy acrylic resins, and the others are the same.
Comparative example 3
Comparative example 3 is different from example 1 in that all the matrix resins used are hydroxy acrylic resins, and no silicone polymer is contained in the filler slurry, and the other is the same.
Paint performance test tables of example 1 and comparative examples 1 to 3
The water-based bi-component anti-slip coating has the following beneficial effects:
(1) the coating has excellent anti-skid performance, and the friction coefficient is as follows: not less than 1.2 (dry state); not less than 0.9 (wet state).
(2) The paint has excellent weather resistance and water resistance: the time is more than or equal to 1400 h; salt water resistance [ NaCl, 5% (wt) ]]Not less than 960 h; resistance to sulfuric acid [ H ]2SO4,5％(wt)]Is more than or equal to 720 h; acetic acid resistance [ HAC, 5% (wt) ]]Is more than or equal to 300 h; resistance to sodium hydroxide [ NaOH, 5% (wt) ]]Is more than or equal to 720 h; gasoline resistance [200# ]]: the time is more than or equal to 1500 h; oil resistance: more than or equal to 1600 hours; abrasion resistance (500r/1000 g): less than or equal to 12 mg; resistance to artificial weather aging: the time is more than or equal to 6000 hours.
(3) The coating can be constructed by roll coating, thick coating can be formed at one time, large-scale spraying equipment is not needed, construction is simple and convenient, and bubbles are not generated in thick coating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A water-based bi-component anti-skid paint consists of a component A and a component B and is characterized in that the anti-skid paint comprises the following components in parts by weight,
the component A consists of the following raw materials: 50-70 parts of matrix resin, 20-50 parts of filler slurry, 0.4-0.8 part of wetting agent, 0.2-0.6 part of defoaming agent, 0.2-0.6 part of flatting agent, 2-4 parts of cosolvent and 25-35 parts of anti-skid particles; wherein,
the matrix resin is hydroxyl acrylic resin and hydroxyl-terminated organic silicon resin;
the filler slurry is prepared from the following raw materials: 10-20 parts of water, 5-20 parts of titanium dioxide, 20-30 parts of barium sulfate, 20-30 parts of quartz powder, 0.2-0.8 part of dispersing agent, 3-5 parts of anti-settling agent, 0.2-0.6 part of defoaming agent, 3-10 parts of anti-slip agent, 5-10 parts of wear-resistant resin, 10-20 parts of organic silicon polymer and 0.2-0.5 part of ultraviolet absorbent;
the component B consists of the following raw materials: 15-25 parts of hydrophilic aliphatic polyisocyanate and 10-15 parts of solvent;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
2. The water-based two-component anti-slip coating according to claim 1, wherein the anti-slip particles comprise surface-treated silicon carbide fibers, rubber particles and silicon carbide particles, and the mass ratio of the silicon carbide fibers to the rubber particles to the silicon carbide particles is (5-10): (15-25): (65-80).
3. The aqueous two-component anti-slip coating according to claim 2, wherein the silicon carbide fiber has a length of 0.5 to 1.5mm, the rubber particle has a particle size of 20 to 40 mesh, and the silicon carbide particle has a particle size of 20 to 40 mesh.
4. The aqueous two-component non-slip coating of claim 1 wherein the coupling agent is an epoxy siloxane oligomer comprising Z-6040, KH 560.
5. The two-component, aqueous slip-resistant coating according to claim 1,
the hydroxy acrylic resin comprises
2470、Bayhydrol A 2695、Bayhydrol A 2646、
Any one of OH 8770 ap;
the hydroxyl-terminated organic silicon resin is DCA-1125;
the wetting agent is organosilicon surfactant
WE3225；
The defoaming agent is a star polymer defoaming agent
ET2412；
The leveling agent is fluorinated polyacrylate
FL3772；
The cosolvent is tripropylene glycol monomethyl ether and/or dipropylene glycol methyl ether.
6. The two-component, aqueous slip-resistant coating according to claim 1,
the titanium dioxide is any one of R902, R104 or R706;
the particle size of the barium sulfate is 1500 meshes-3000 meshes;
the grain size of the quartz powder is 1250-3000 meshes;
the wear-resistant resin is organic silicon resin powder
MP 50E。
7. The aqueous two-component non-slip coating of claim 1 wherein the dispersant is a high molecular weight block copolymer BYK 190;
the anti-settling agent is modified magnesium aluminum silicate z 18;
the defoaming agent comprises a mixture of a foam breaking polymer and polysiloxane and a mixture of polyether modified polydimethylsiloxane, wherein the mixture of the foam breaking polymer and the polysiloxane is BYK-024, and the polyether modified polydimethylsiloxane is BYK-1770;
the anti-slip agent is modified polyether BYK-UV 3535;
the ultraviolet absorbent is benzotriazole mixture UV-1130 and/or hindered amine UV-123.
8. The two-component, aqueous slip-resistant coating according to claim 1,
hydrophilic aliphatic polyisocyanates
N 3900；
The solvent is propylene glycol diacetate PGDA.
9. A process for preparing the aqueous two-component slip-resistant coating of claim 1 comprising the steps of:
preparation of component A:
(1) preparing filler slurry: adding water, titanium dioxide, barium sulfate, quartz powder, a dispersing agent, an anti-settling agent, a defoaming agent, an anti-slip agent, wear-resistant resin, an organic silicon polymer and an ultraviolet absorbent into a dispersing cylinder in proportion, dispersing uniformly at a high speed, then introducing into a sand mill, and grinding until the particle size is less than 15 mu m;
(2) adding matrix resin, filler slurry, a wetting agent, a defoaming agent, a leveling agent, a cosolvent and anti-skid particles into a dispersion cylinder in proportion, and uniformly dispersing at a high speed to obtain a component A;
preparation of the component B:
adding hydrophilic aliphatic polyisocyanate and a solvent into a dispersion cylinder according to a proportion, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed uniformly according to the mass ratio of 5:1, and then the mixture is directly coated and constructed by a roller.
10. The method of preparing the two-component water-based anti-slip coating according to claim 9, wherein the anti-slip particles are prepared by the following steps: crushing the waste rubber leftover materials into 20-40-mesh particles by using a crusher, performing surface roughening treatment by using a sand mill, and sieving the particles to obtain 20-40-mesh rubber particles;
silicon carbide fibers, rubber particles and silicon carbide particles are mixed according to the mass ratio of (5-10): (15-25): (65-80) after uniformly mixing, carrying out surface treatment by using a coupling agent.
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