CN108285735A - A kind of preparation method of coating - Google Patents
A kind of preparation method of coating Download PDFInfo
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- CN108285735A CN108285735A CN201810060228.8A CN201810060228A CN108285735A CN 108285735 A CN108285735 A CN 108285735A CN 201810060228 A CN201810060228 A CN 201810060228A CN 108285735 A CN108285735 A CN 108285735A
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- China
- Prior art keywords
- parts
- preparation
- agent
- diisocyanate
- polyester polyol
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- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 11
- 239000011248 coating agent Substances 0.000 title claims abstract description 10
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007822 coupling agent Substances 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 23
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 22
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 21
- 239000010456 wollastonite Substances 0.000 claims abstract description 21
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 21
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 20
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 20
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004970 Chain extender Substances 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 19
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 19
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 19
- 235000019260 propionic acid Nutrition 0.000 claims abstract description 19
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims abstract description 19
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 239000012802 nanoclay Substances 0.000 claims abstract description 15
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007859 condensation product Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 4
- 241001502050 Acis Species 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- ZZPNDIHOQDQVNU-UHFFFAOYSA-N 2-hydroxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane Chemical compound CC1(C)OB(O)OC1(C)C ZZPNDIHOQDQVNU-UHFFFAOYSA-N 0.000 claims description 2
- WWJZTGWTGCUXDX-UHFFFAOYSA-N CC(C)=O.NCCN Chemical compound CC(C)=O.NCCN WWJZTGWTGCUXDX-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- -1 aliphatic diisocyanate Ester Chemical class 0.000 claims description 2
- 229940031098 ethanolamine Drugs 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229960004889 salicylic acid Drugs 0.000 claims description 2
- 238000006277 sulfonation reaction Methods 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- QSZFYTHXNHKAES-UHFFFAOYSA-N ethanol;3-methylbutan-2-one Chemical compound CCO.CC(C)C(C)=O QSZFYTHXNHKAES-UHFFFAOYSA-N 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 239000002904 solvent Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000001473 noxious effect Effects 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 description 20
- 239000004814 polyurethane Substances 0.000 description 20
- 239000003973 paint Substances 0.000 description 15
- 238000003756 stirring Methods 0.000 description 7
- 241000209094 Oryza Species 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011280 coal tar Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 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
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000606 suspected carcinogen Toxicity 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000004078 waterproofing 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
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- 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
- C09D7/60—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
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of preparation methods of coating, in parts by weight, including following components：10 20 parts of diisocyanate, 50 80 parts of polyester polyol, 5 15 parts of dihydromethyl propionic acid, 25 parts of precipitated calcium carbonate, 13 parts of wollastonite in powder, 1.5 2 parts of nanoclay, 0.8 1.5 parts of nano boron carbide, 8 15 parts of polyacrylamide, 23 parts of latent curing agent, 0.5 1 parts of dispersant, 0.5 1 parts of coupling agent, 13 parts of antifoaming agent, 0.3 0.8 parts of catalyst, 25 parts of chain extender, 30 40 parts of deionized water.The invention also discloses the preparation methods of the waterproof polyurethane coating.Waterproof polyurethane coating provided by the invention adopts water as solvent, and the release of no noxious material is conducive to environmental protection, and its weatherability, water-tolerant, and elasticity is big, excellent in mechanical performance.
Description
The application is application No. is 2016101731836, and the applying date is on 03 24th, 2016, and invention and created name is
The divisional application of the patent of " a kind of environment-friendly type waterproof polyurethane coating and preparation method thereof ".
Technical field
The present invention relates to technical field of coatings, are specifically related to a kind of environment-friendly type waterproof polyurethane coating.
Background technology
Polyurethane waterproof material-coating, grouting material, sealing material and thermal-insulating waterproof material are with its high resiliency, wear-resisting
Property, caking property, lower temperature resistance, solvent resistance, resistance to ag(e)ing and the excellent performances such as expandable have obtained swift and violent development.According to thick
It slightly counts, polyurethane high molecule waterproof material accounts for 30% or more of the total dosage of China's waterproof material at present, especially with polyurethane water-proof
Based on coating.
Polyurethane water-proof paint from the seventies since China is first begin to apply, the nineties obtain rapidly develop and
Extensive use, but the polyurethane water-proof paint in the 91's is mainly with tar filled polyurethane and pitch filled polyurethane waterproof
Based on coating.Both polyurethane water-proof paints are due to volatilizing liquid additive, all to environment and construction and its use
Person is harmful.Cheap and performance brilliance coal tar is just begun with as filled toughening substance, due to its excellent property
The price of energy and relative moderate, use are relatively broad.But since coal tar is more toxic, smell is heavier, in polyurethane water-proof
Largely filling can bring a series of problem of environmental pollution in material, and the Ministry of Construction was made that limitation in 1998, and gradually forbade
Use of the coal tar in polyurethane waterproof material.
With the development of society and the improvement of people's living standards, people start attaching importance to environmental protection and health problem, therefore,
The use of both polyurethane water-proof paints just receives certain limitation, makes the polyurethane water-proof paint with superior function
It is lack scope for their abilities.The mainly environment-friendly type polyurethane waterproofing paint to grow up now, one side do not use toxic solvent,
On the other hand it reduces the isocyanate group content to dissociate in performed polymer, makes polyurethane in the case where taking both measures
Water-repellent paint can be used preferably in waterproof field.
Chinese patent (201010545081.5) discloses a kind of environment-friendly type high performance polyurethane water-proof paint, be by
First component and second group are grouped as, and first component is by toluene di-isocyanate(TDI), polyethers N-220, polyethers N-330, polymerization inhibitor and catalyst
Deng composition, second component is made of liquid curing-agent, liquid filler, antifoaming agent, dispersant, talcum powder, fine particle calcium carbonate and titanium dioxide etc..
The polyurethane water-proof paint, solve existing high performance polyurethane waterproof coating material solid content it is relatively low and contain suspected carcinogens matter
The drawbacks of, the characteristics of with surface drying, to do solid work the time short, the excellent combination properties such as tensile strength, elongation at break, but fill out
The poor compatibility of material and resin so that the polyurethane water-proof paint stability being prepared is poor, and film performance is bad.
Invention content
The object of the present invention is to provide a kind of environment-friendly type waterproof polyurethane coating, adopt water as solvent, no noxious material
Release, be conducive to environmental protection, and its weatherability, water-tolerant, elasticity is big, and stability is good, excellent in mechanical performance.
It is a further object to provide the preparation methods of the Environmental-protecwaterproof waterproof paint.
To achieve the above object, the present invention uses following technical scheme：
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
10-20 parts of diisocyanate,
50-80 parts of polyester polyol,
5-15 parts of dihydromethyl propionic acid,
2-5 parts of precipitated calcium carbonate,
1-3 parts of wollastonite in powder,
1.5-2 parts of nanoclay,
0.8-1.5 parts of nano boron carbide,
8-15 parts of polyacrylamide,
2-3 parts of latent curing agent,
0.5-1 parts of dispersant, 0.5-1 parts of coupling agent,
1-3 parts of antifoaming agent, 0.3-0.8 parts of catalyst,
2-5 parts of chain extender, 30-40 parts of deionized water.
As a preferred embodiment of the above technical solution, a kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including it is following
Component：
15 parts of diisocyanate,
75 parts of polyester polyol,
8 parts of dihydromethyl propionic acid,
3.5 parts of precipitated calcium carbonate,
2 parts of wollastonite in powder,
1.5 parts of nanoclay,
1.2 parts of nano boron carbide,
10 parts of polyacrylamide,
2.5 parts of latent curing agent,
0.65 part of dispersant, 0.5 part of coupling agent,
2 parts of antifoaming agent, 0.45 part of catalyst,
4 parts of chain extender, 40 parts of deionized water.
As a preferred embodiment of the above technical solution, it is different to be selected from aliphatic diisocyanate, aromatic series two for the diisocyanate
Cyanate and alicyclic diisocyanate.
As a preferred embodiment of the above technical solution, the hydroxyl value of the polyester polyol be 380-400mgKOH/g, acid value≤
1.5mgKOH/g, viscosity≤4000mPas.
As a preferred embodiment of the above technical solution, the particle size of the wollastonite in powder is 10-20nm.
As a preferred embodiment of the above technical solution, the latent curing agent is acetone-ethylenediamine condensation product, methyl isopropyl Ketone-
One or both of ethanol amine condensation product mixes.
As a preferred embodiment of the above technical solution, the dispersant is trimethyl silicane alkoxy esters of silicon acis, esters of silicon acis coupling
One or more mixing in agent, connection boric acid pinacol ester.
As a preferred embodiment of the above technical solution, the coupling agent be titanate coupling agent, one kind in silane coupling agent or
Two kinds of mixing.
As a preferred embodiment of the above technical solution, the catalyst is in sulfonation butadiene, tartaric acid, salicylic acid, citric acid
One kind.
A kind of preparation method of environment-friendly type waterproof polyurethane coating, includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 70-90
DEG C, catalyst is added, reacts 2-4h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 2-5h is reacted at 70-90 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 20-
Nanoclay, coupling agent and nano boron carbide is added in 50min, reacts 1-2h, continuously adds wollastonite in powder, latent curing agent, light
Matter calcium carbonate, dispersant and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
The invention has the advantages that：
(1) present invention adopts water as solvent, and the waterproof polyurethane coating being prepared volatilizees without toxic solvent, to environment
It is harmless with human body；
(2) present invention is in polyurethane water-proof paint, adds nanoclay and nano boron carbide, surface have it is abundant-
OH isoreactivity groups can be reacted with the free isocyanate-monomer that obtains in performed polymer, be dissociated to reduce in coating
- NCO content so that the polyurethane coating being prepared is nontoxic, is conducive to environmental protection, and it can be with resin matrix shape
At stable three-dimensional net structure, the physical properties such as weatherability, the abrasion resistance, heat resistance of coating and mechanical property are effectively improved
Energy；
(3) present invention rationally controls the preparation process condition of polyurethane water-proof paint, and the water-repellent paint of preparation understood is steady
Qualitative good, film performance is excellent.
Specific implementation mode
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
10 parts of diisocyanate, 50 parts of polyester polyol,
5 parts of dihydromethyl propionic acid, 2 parts of precipitated calcium carbonate,
1 part of wollastonite in powder, 1.5 parts of nanoclay,
0.8 part of nano boron carbide,
8 parts of polyacrylamide, 2 parts of latent curing agent,
0.5 part of dispersant, 0.5 part of coupling agent,
1 part of antifoaming agent, 0.3 part of catalyst,
2 parts of chain extender, 30 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 70 DEG C,
Catalyst is added, reacts 2h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 2h is reacted at 70 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 20min, addition is received
Rice clay, coupling agent and nano boron carbide, react 1h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, dispersant
And antifoaming agent, it is mixed evenly, obtains environment-friendly type waterproof polyurethane coating.
Embodiment 2
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
20 parts of diisocyanate, 80 parts of polyester polyol,
15 parts of dihydromethyl propionic acid, 5 parts of precipitated calcium carbonate,
3 parts of wollastonite in powder, 2 parts of nanoclay,
1.5 parts of nano boron carbide,
15 parts of polyacrylamide, 3 parts of latent curing agent,
1 part of dispersant, 1 part of coupling agent,
3 parts of antifoaming agent, 0.8 part of catalyst,
5 parts of chain extender, 40 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 90 DEG C,
Catalyst is added, reacts 4h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 5h is reacted at 90 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 50min, addition is received
Rice clay, coupling agent and nano boron carbide, react 2h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, dispersant
And antifoaming agent, it is mixed evenly, obtains environment-friendly type waterproof polyurethane coating.
Embodiment 3
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
15 parts of diisocyanate, 75 parts of polyester polyol,
8 parts of dihydromethyl propionic acid, 3.5 parts of precipitated calcium carbonate,
2 parts of wollastonite in powder, 1.5 parts of nanoclay,
1.2 parts of nano boron carbide,
10 parts of polyacrylamide, 2.5 parts of latent curing agent,
0.65 part of dispersant, 0.5 part of coupling agent,
2 parts of antifoaming agent, 0.45 part of catalyst,
4 parts of chain extender, 40 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 75 DEG C,
Catalyst is added, reacts 2.5h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 3h is reacted at 75 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 30min, addition is received
Rice clay, coupling agent and nano boron carbide, react 1.2h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, dispersion
Agent and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
Embodiment 4
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
12 parts of diisocyanate, 60 parts of polyester polyol,
7 parts of dihydromethyl propionic acid, 3 parts of precipitated calcium carbonate,
1.5 parts of wollastonite in powder, 1.6 parts of nanoclay,
1.0 parts of nano boron carbide,
10 parts of polyacrylamide, 2.2 parts of latent curing agent,
0.6 part of dispersant, 0.6 part of coupling agent,
1.5 parts of antifoaming agent, 0.4 part of catalyst,
3 parts of chain extender, 32 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 80 DEG C,
Catalyst is added, reacts 3h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 3.5h is reacted at 80 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 35min, be added
Nanoclay, coupling agent and nano boron carbide react 1.4h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, divide
Powder and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
Embodiment 5
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
14 parts of diisocyanate, 70 parts of polyester polyol,
9 parts of dihydromethyl propionic acid, 4 parts of precipitated calcium carbonate,
2 parts of wollastonite in powder, 1.7 parts of nanoclay,
1.2 parts of nano boron carbide,
12 parts of polyacrylamide, 2.4 parts of latent curing agent,
0.7 part of dispersant, 0.7 part of coupling agent,
2 parts of antifoaming agent, 0.5 part of catalyst,
4 parts of chain extender, 34 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 85 DEG C,
Catalyst is added, reacts 3.5h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 4h is reacted at 85 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 40min, addition is received
Rice clay, coupling agent and nano boron carbide, react 1.6h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, dispersion
Agent and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
Embodiment 6
A kind of environment-friendly type waterproof polyurethane coating, in parts by weight, including following components：
16 parts of diisocyanate, 75 parts of polyester polyol,
14 parts of dihydromethyl propionic acid, 4.5 parts of precipitated calcium carbonate,
2.5 parts of wollastonite in powder, 1.8 parts of nanoclay,
1.4 parts of nano boron carbide,
14 parts of polyacrylamide, 2.8 parts of latent curing agent,
0.8 part of dispersant, 0.9 part of coupling agent,
2.5 parts of antifoaming agent, 0.7 part of catalyst,
4.5 parts of chain extender, 38 parts of deionized water.
Preparation method includes the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 90 DEG C,
Catalyst is added, reacts 4h, obtains base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), stirs
It mixes uniformly mixed, 4.5h is reacted at 70 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, react 50min, be added
Nanoclay, coupling agent and nano boron carbide react 1.8h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, divide
Powder and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
The environment-friendly type waterproof polyurethane coating prepared below to the present invention is tested for the property.
By environment-friendly type waterproof polyurethane coating, directly Self-leveling forms a film in a mold, when in order to accelerate its surface drying and do solid work
Between, film, film forming thickness are 1.5 ± 0.2mm in three times.Curing requirements are according to GB/T16777-1997.
1, film tensile property measures
GB/T19250 is measured according to national standards.
The film of completion of cure is cut into dumb-bell shape I samples as defined in GB/T528, then pulls two on test specimen with ruler
The parallel lines of stripe pitch 25mm are used in combination thickness to measure the thickness of 3 points of test specimen graticule and both ends, take its arithmetic mean of instantaneous value conduct
Sample thickness, between clamp of stretching tester, gauge length is 70mm between fixture, with 500mm/min tensile speed tensile test specimens
To fracture, maximum load when record test specimen is broken, and measure test specimen gauge length at this time.
2, film water absorption rate measures
A certain amount of glued membrane is weighed, is immersed in distilled water at room temperature, continuous dipping 168h, each certain time takes out,
Film surface institute band moisture is quickly blotted with filter paper, is weighed immediately.The quality that moisture is absorbed by the glued membrane of unit mass absorbs water
Rate P (%) is indicated.
Test result is as shown in table 1；
Table 1
From the point of view of table 1, the Environmental-protecwaterproof waterproof paint that the present invention is prepared, mechanical property is good, and waterproof effect is apparent.
Claims (10)
1. a kind of preparation method of coating, which is characterized in that include the following steps：
(1) polyester polyol and diisocyanate are added in three-necked flask, are mixed evenly, are warming up to 70-90 DEG C, adds
Enter catalyst, reacts 2-4h, obtain base polyurethane prepolymer for use as A；
(2) chain extender, polyester polyol and deionized water are added in the base polyurethane prepolymer for use as A obtained to step (1), is stirred
Uniformly, 2-5h is reacted at 70-90 DEG C, dihydromethyl propionic acid and polyacrylamide is then added, reacts 20-50min, and addition is received
Rice clay, coupling agent and nano boron carbide, react 1-2h, continuously add wollastonite in powder, latent curing agent, precipitated calcium carbonate, dispersion
Agent and antifoaming agent, are mixed evenly, and obtain environment-friendly type waterproof polyurethane coating.
2. preparation method according to claim 1, which is characterized in that in parts by weight each in the step (1) and (2)
A component：
10-20 parts of diisocyanate,
50-80 parts of polyester polyol,
5-15 parts of dihydromethyl propionic acid,
2-5 parts of precipitated calcium carbonate,
1-3 parts of wollastonite in powder,
1.5-2 parts of nanoclay,
0.8-1.5 parts of nano boron carbide,
8-15 parts of polyacrylamide,
2-3 parts of latent curing agent,
0.5-1 parts of dispersant, 0.5-1 parts of coupling agent,
1-3 parts of antifoaming agent, 0.3-0.8 parts of catalyst,
2-5 parts of chain extender, 30-40 parts of deionized water.
3. preparation method according to claim 2, which is characterized in that each component in parts by weight：
15 parts of diisocyanate,
75 parts of polyester polyol,
8 parts of dihydromethyl propionic acid,
3.5 parts of precipitated calcium carbonate,
2 parts of wollastonite in powder,
1.5 parts of nanoclay,
1.2 parts of nano boron carbide,
10 parts of polyacrylamide,
2.5 parts of latent curing agent,
0.65 part of dispersant, 0.5 part of coupling agent,
2 parts of antifoaming agent, 0.45 part of catalyst,
4 parts of chain extender, 40 parts of deionized water.
4. preparation method according to claim 1, which is characterized in that the diisocyanate is selected from aliphatic diisocyanate
Ester, aromatic diisocyanate and alicyclic diisocyanate.
5. preparation method according to claim 1, which is characterized in that the hydroxyl value of the polyester polyol is 380-
400mgKOH/g, acid value≤1.5mgKOH/g, viscosity≤4000mPas.
6. preparation method according to claim 1, which is characterized in that the particle size of the wollastonite in powder is 10-20nm.
7. preparation method according to claim 1, which is characterized in that the latent curing agent be acetone-ethylenediamine condensation product,
One or both of methyl isopropyl Ketone-ethanol amine condensation product mixes.
8. preparation method according to claim 1, which is characterized in that the dispersant is trimethyl silicane alkoxy silicic acid
One or more mixing in ester, esters of silicon acis coupling agent, connection boric acid pinacol ester.
9. preparation method according to claim 1, which is characterized in that the coupling agent is titanate coupling agent, silane idol
Join one or both of agent mixing.
10. preparation method according to claim 1, which is characterized in that the catalyst be sulfonation butadiene, tartaric acid,
One kind in salicylic acid, citric acid.
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| CN201810060228.8A CN108285735B (en) | 2016-03-24 | 2016-03-24 | A kind of preparation method of coating |
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| CN109337564A (en) * | 2018-09-12 | 2019-02-15 | 安徽康瑞高科新材料技术工程有限公司 | A kind of polyurethane water-proof paint and preparation method thereof |
| CN109880500A (en) * | 2019-01-28 | 2019-06-14 | 南京林业大学 | The preparation method of nano boron carbide modified aqueous polyurethane high wear resistance coatings |
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| CN106433423A (en) * | 2016-10-18 | 2017-02-22 | 盘锦首源新材料有限公司 | Environment-friendly manual polyurea plastic surface layer material and preparation method thereof |
| CN108976860B (en) * | 2018-07-16 | 2020-06-23 | 东莞市瑞翔新型材料科技有限公司 | Waterproof polyurethane coating for zipper and preparation method thereof |
| CN109627822A (en) * | 2018-12-31 | 2019-04-16 | 柳州申通汽车科技有限公司 | Aqueous automobile nano paint and preparation method thereof |
| CN109575810A (en) * | 2018-12-31 | 2019-04-05 | 柳州申通汽车科技有限公司 | Aqueous automobile nano paint and its processing technology |
| CN110256838A (en) * | 2019-07-17 | 2019-09-20 | 湖南五彩石防水防腐工程技术有限责任公司 | Environment-friendly type solvent-free large arch dam chemical grouting plugging material and preparation method thereof |
| CN112876978B (en) * | 2019-08-02 | 2021-12-24 | 江苏凯伦建材股份有限公司 | Preparation method of single-component root-puncture-resistant waterproof coating |
| CN113801553A (en) * | 2020-06-15 | 2021-12-17 | 上海格烈风新材料科技有限公司 | Novel graphene heavy-duty anticorrosive wear-resistant coating and preparation process thereof |
| CN118005356B (en) * | 2024-04-08 | 2024-05-31 | 辽宁省城乡市政工程集团有限责任公司 | High-plasticity anti-cracking refractory concrete and preparation method and application thereof |
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| CN105238253A (en) * | 2015-10-09 | 2016-01-13 | 滁州环球聚氨酯科技有限公司 | Weather-proof wear-resistant modified polyurethane external wall coating |
| CN105176374A (en) * | 2015-10-13 | 2015-12-23 | 东来涂料技术（上海）有限公司 | Water-based primer applied to epoxy/carbon fiber composite and preparation method for water-based primer |
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| CN109337564A (en) * | 2018-09-12 | 2019-02-15 | 安徽康瑞高科新材料技术工程有限公司 | A kind of polyurethane water-proof paint and preparation method thereof |
| CN109880500A (en) * | 2019-01-28 | 2019-06-14 | 南京林业大学 | The preparation method of nano boron carbide modified aqueous polyurethane high wear resistance coatings |
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