CN110054941A - Monocomponent waterborne polyurethane coating composition and preparation method thereof - Google Patents
Monocomponent waterborne polyurethane coating composition and preparation method thereof Download PDFInfo
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- CN110054941A CN110054941A CN201810046837.8A CN201810046837A CN110054941A CN 110054941 A CN110054941 A CN 110054941A CN 201810046837 A CN201810046837 A CN 201810046837A CN 110054941 A CN110054941 A CN 110054941A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of monocomponent waterborne polyurethane coating composition, the coating composition includes waterborne polyurethane resin, inorganic particle, optional acrylate and optional auxiliary agent, wherein the amount of solid of the waterborne polyurethane resin is 10-30 parts by weight, and the total amount based on the coating composition is 100 parts by weight.The present invention also provides the preparation method and applications of the polyurethane coating composition.Monocomponent waterborne polyurethane coating composition provided by the present invention when in use solvent-free smell, using safe, free from environmental pollution.There are excellent mechanical performance, excellent water-acid resistance performance, one or more excellent properties in extremely low water absorption rate and weatherability etc. using coating made from monocomponent waterborne polyurethane coating composition provided by the present invention.
Description
Technical field
The invention belongs to paint fields.In particular it relates to monocomponent waterborne polyurethane coating composition and its
Preparation method and purposes.
Background technique
Used water proof type coating composition mainly includes that solvent-type waterproofing paint and water base waterproof apply currently on the market
Material.
Solvent-type waterproofing paint mainly has solvent borne polyurethane water-repellent paint, solvent-type acrylic ester water-repellent paint, pitch
Water-repellent paint, rubber water-repellent paint and silicone rubber kinds water-repellent paint etc..These coating common features are made with organic solvent
For carrier, generally have the advantages that intensity is big, elongation percentage is high, impermeability is good.Since these coating use organic solvent, to ring
The pollution in border, the influence to construction personnel's health are bigger.Meanwhile as solvent based coating, they are to the dry journey in basis
The requirement of degree is relatively high, this is particularly disadvantageous to the waterproof construction under wet environment.The list as disclosed in CN103965765B
Component moisturecuring PU coating, it is especially harsh to construction condition.
In recent years, people make great efforts research and development water base paint compositions to reduce the use of organic solvent as far as possible.City at present
Water-based waterproofing paint on field mainly has acrylic emulsion water-repellent paint, aqueous polyurethane water-repellent paint, emulsification neoprene anti-
Water paint and JS polymer cement mortar water-repellent paint etc..But for solvent-type waterproofing paint, water base waterproof is applied
Material is often difficult to reach high performance requirement in terms of mechanical property and resistance to acid and alkali.
Aqueous polyurethane water-repellent paint is had excellent performance, moderate, and critically important ground is occupied in the field of water-repellent paint
Position.Aqueous polyurethane water-repellent paint is divided into Two-component Waterproof Polyurethane Coating and single-component polyurethane water-proof paint.Wherein, double groups
Two components must be weighed strictly to scale, be cooperated when being divided to polyurethane water-proof paint use, tight to construction requirement on site
Lattice.In order to overcome the shortcomings of Two-component Waterproof Polyurethane Coating, mono-composition poyurethane water-proof paint is developed in industry.It is existing
Mono-composition poyurethane water-proof paint includes polyurethane prepolymer, using water as crosslinking agent in water-repellent paint use process, but the amount of water
Phenomena such as being difficult to control and increasing the unstability of coating, will appear sand holes, pin hole in construction.
Therefore, in this field to be avoided that environmental problem caused by solvent-type waterproofing paint and have improved mechanical property
There are demands for energy and the new coating of chemical resistance.
Summary of the invention
The object of the present invention is to provide novel coating composition, it is avoided that environment caused by solvent-type waterproofing paint is asked
Topic and as the coating obtained by it have one of improved mechanical property, chemical resistance, low water absorbable and weatherability etc. or
A variety of excellent properties.
The purpose of the present invention is achieved through the following technical solutions.
In one aspect, the present invention provides a kind of monocomponent waterborne polyurethane coating composition, the coating composition packet
Property of water-bearing polyurethane resin, inorganic particle, optional acrylate and optional auxiliary agent, wherein the aqueous polyurethane
The amount of solid of resin is 10-30 parts by weight, and the total amount based on the coating composition is 100 parts by weight.
On the other hand, the present invention provides the preparation method of the coating composition, and described method includes following steps:
A) inorganic particle and optional auxiliary agent are uniformly mixed in water, and
B waterborne polyurethane resin, optional acrylate) are added into mixture obtained in step A) and appoints
The auxiliary agent of choosing simultaneously uniformly mixes.
On the other hand, the present invention provides a kind of coating method comprising the coating composition is applied to substrate
On.
Also on the one hand, the present invention provides the coating composition in buildings waterproof, as roof waterproof, kitichen and toilet are anti-
The purposes of prepares coating in the fields such as water, swimming pool waterproof.
In another aspect, the present invention provides a kind of coated product, it includes a substrate and by the coating composition
It is applied to the coating formed on substrate.
Monocomponent waterborne polyurethane coating composition provided by the present invention is waterproof paint composition, meets building trade
Requirement to coating composition, when in use solvent-free smell, using safe, free from environmental pollution.Using provided by the present invention
Coating made from monocomponent waterborne polyurethane coating composition have excellent mechanical performance, excellent water-acid resistance performance,
One of extremely low water absorption rate and weatherability etc. or a variety of excellent properties.
Specific embodiment
Specific embodiments of the present invention are described below.
An aspect of of the present present invention provides a kind of monocomponent waterborne polyurethane coating composition, and the coating composition includes water
Property polyurethane resin, inorganic particle, optional acrylate and optional auxiliary agent, wherein the waterborne polyurethane resin
Amount of solid be 10-30 parts by weight, the total amount based on the coating composition be 100 parts by weight.
Waterborne polyurethane resin
Waterborne polyurethane resin for use in the present invention includes but is not limited to following one or more: different based on aliphatic
Cyanate and the polyether-polyurethane resin of polyether polyol, the poly- carbonic acid based on aliphatic isocyanates and polycarbonate polyol
Ester polyurethane resin and polyester polyurethane resin.
The most preferably described waterborne polyurethane resin is the polyether-polyurethane based on aliphatic isocyanates and polyether polyol
Resin.
Polyether-polyurethane resin for use in the present invention based on aliphatic isocyanates and polyether polyol is this field
It is known.
In some embodiments, the polyether-polyurethane resin based on aliphatic isocyanates and polyether polyol is by having
At least two polytetramethylene glycol polyether polyol of different average molar mass and at least two different polyisocyanate cyanogen
The preparation of acid esters component.
Described at least two different polyisocyanates can be the polyisocyanates that isocyanate functionality is not less than 2.
The isocyanate functionality can be following one or more not less than 2 polyisocyanates: two isocyanide of Isosorbide-5-Nitrae-butylidene
Acid esters, 1,6- hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI) ,-six methylene of 2,2,4- trimethyl
Group diisocyanate, 2,4,4- trimethyls-hexamethylene diisocyanate, isomeric two (4,4- isocyanato- hexamethylenes
Base) methane, Isosorbide-5-Nitrae-cyclohexylene diisocyanate and have C1-C8Alkyl -2,6- diisocyanate root of alkyl closes capronate.
Polyisocyanates of the isocyanate functionality not less than 2 also part isocyanate functionality can be used to be not less than
The polyisocyanates of 2 modification, with urea diketone, isocyanuric acid ester, carbamate, allophanate, biuret, imido
Base oxadiazines diketone or oxadiazines triketone structure and their mixture.
Described at least two different polyisocyanates are further preferred that the isocyanic acid only with fat or alicyclic ring bonding
Ester group or their mixture, and average isocyanate ester (NCO) degree of functionality of mixture is 2-4, particularly preferred 2-
2.6, particularly preferred 2-2.4, most preferably 2.Diisocyanate most preferably with is following one or more: sub- selected from six
Methyl diisocyanate, isophorone diisocyanate and isomeric two (4,4- isocyanatocyclohexyl) methane.
The polytetramethylene glycol polyether polyol is preferably polytetramethylene glycol polyether Glycols, has (HO-
(CH2-CH2-CH2-CH2-O)x- H) structure, wherein relevant diol generator has 400-8000 grams/mol of number-average molecular weight
Mn, preferably 600-3000 grams/mol, and the number-average molecular weight Mn that low molar mass glycol has is high molecular weight glycol
The 10-80% of number-average molecular weight Mn, preferably 30-70%.
The polyether polyol, which is removed, has (HO- (CH2-CH2-CH2-CH2-O)x- H) structure polytetramethylene glycol polyethers
Outside dihydric alcohol, also contain additional polymerized polyalcohol, content of the polymerized polyalcohol based on entire polyether polyatomic alcohol component is excellent
Select 0-20 weight %, particularly preferred 0-10 weight %, most preferably 0-5 weight %.They can be polyester polyol, polyacrylic acid
Ester polyol, polyurethane polyol, polycarbonate polyol, polyether polyol, polyester polyacrylate polyalcohol, polyurethane polyureas
Acryl polyol, polyurethane polyureas ester polyol, polyurethane polyureas ethoxylated polyhydric alcohol, polyurethane polycarbonate polyalcohol and polyester are poly-
Carbonate polyol, themselves is known in polyurethane coating technology.In addition, they can individually or be mutually mixed as poly-
Ethoxylated polyhydric alcohol component uses.It is preferred that only polytetramethylene glycol polyether Glycols are used as polyether polyatomic alcohol component.
The polyether-polyurethane resin based on aliphatic isocyanates and polyether polyol can by commercially available, such as
Aqueous polyurethane dispersion Bayhydrol UH 2880 derived from Cohan wound company, main performance index are as follows: solid content is
50%, viscosity is less than 2500mPas (23 DEG C, DIN EN ISO 3219/A.3), tensile strength 20MPa, elongation at break
1500%, 100% modulus 2MPa.
Polycarbonate polyurethane resin and polyester-polyurethane based on aliphatic isocyanates and polycarbonate polyol
Resin is also known in the art and can be by commercially-available.
The polyester of hydroxyl can be made as hydroxyl group by by binary acid and excessive polyol reaction in polyester-polyurethane
Point, then react to obtain with diisocyanate or polyisocyanates.The example of binary acid used has adipic acid, phthalic anhydride, isophthalic diformazan
Acid, terephthalic acid (TPA) etc., the example of polyalcohol used have trimethylolpropane, neopentyl glycol, diethylene glycol, 1,3-BDO
Deng.The polyester polyurethane resin of aliphatic isocyanates and polyester polyol is preferably based on for polyester-polyurethane of the invention.
For example, polyester-polyurethane can be used purchased from Cohan wound companyDL 1537 (is based on aliphatic isocyanide
The polyester polyurethane resin aqueous dispersion of acid esters and polyester polyol, solid content are 60% weight), and purchased from Cohan wound company
Bayhydrol UH XP 2592 (aqueous dispersion that solid content is 45% weight).Based on aliphatic isocyanates and polycarbonate
The polycarbonate polyurethane resin of polyalcohol can be used purchased from Cohan wound company(solid content is 60% weight to DLU
Aqueous dispersion), purchased from Cohan wound companyUH 2606 (aqueous dispersion that solid content is 35% weight).
The amount of solid of the waterborne polyurethane resin can be 10-25 parts by weight, preferably 10-22 parts by weight, more preferable 10-21
Parts by weight, the total amount based on the coating composition are 100 parts by weight.
The waterborne polyurethane resin can the form of such as aqueous polyurethane resin dispersion coating of the invention is added
In composition.When being added in the form of aqueous polyurethane resin dispersion, the amount of solid of waterborne polyurethane resin refers to aqueous
The amount of polyurethane resin itself.
Although without being bound by theory think water-based paint compositions of the invention using above-mentioned polyurethane resin as base
Plinth is capable of forming coherent film, and can be micro- to control by the relative quantity of soft chain segment and hard segment in control polymer chain
Phase morphology.Due to having these features, so that coating composition of the invention can be used for particularly critical many of engineering properties
Kind surface coating application, including the deep drawing quality under high-wearing feature, splendid toughness, body performance and low temperature.
Acrylate
In addition to above-mentioned waterborne polyurethane resin, coating composition of the invention also may include acrylate.Described third
Alkene acid ester resin can be selected from styrene-acrylic copolymer resin and self-crosslinking hydroxy acryl acid resin.
The acrylate is known in the art and commercially available.Such as styrene-acrylic copolymer resin
It can be the RS-9169M (aqueous dispersion that solid content is 53% weight) purchased from Ahmedabad richness company, self-crosslinking hydroxy acryl acid tree
Rouge can be for purchased from Cohan wound companyA 2846XP (aqueous dispersion that solid content is 40% weight).
By weight, the ratio of the amount of solid of the waterborne polyurethane resin and the amount of solid of the acrylate can
For greater than 2: 1, preferably not less than 5: 1, most preferably not less than 9: 1.
The acrylate can the form of such as lotion be applied in coating composition of the invention.When with lotion
Form addition when, the amount of solid of acrylate refers to the amount of acrylate itself.
Preferably, coating composition of the invention includes the poly- ammonia of polyethers based on aliphatic isocyanates and polyether polyol
The combination of ester resin and self-crosslinking hydroxy acryl acid resin.
Preferably, the polyether-polyurethane resin in the coating composition based on aliphatic isocyanates and polyether polyol
Content can be 10-30 parts by weight, the content of the self-crosslinking hydroxy acryl acid resin can be 2.5-7.5 parts by weight, more excellent
1-3 parts by weight, most preferably 1-2 parts by weight are selected, the total amount based on coating composition of the present invention is 100 parts by weight.
Inorganic particle
Inorganic particle for use in the present invention can be following one or more: titanium dioxide, barium sulfate, talcum powder and
Kaolin particle.
The partial size of inorganic particle is preferably 0.1-50 microns, 0.1-30 microns further preferred, 0.1-20 microns more preferable.
It is preferred that inorganic particle of the invention is titanium dioxide, barium sulfate particle or combinations thereof.Particularly preferably of the invention
Use the combination of titanium dioxide granule and barium sulfate particle as inorganic particle in coating composition.Particularly preferably use rutile
The combination of type titanium dioxide granule and barium sulfate particle.
In some preferred embodiments, using 0.1-0.4 microns of rutile phase titanium dioxide particles and 800-
The combination of the barium sulfate particle of 4000 mesh.
In some further preferred embodiments, using 0.2-0.4 microns of rutile phase titanium dioxide particles and 1250-
The combination of the barium sulfate particle of 4000 mesh.
Inorganic particle for use in the present invention is known in the art and commercially available.For example, titanium dioxide can for purchased from
The rutile titanium dioxide R706 of E.I.Du Pont Company；Barium sulfate can be for purchased from Shanghai jump river titanium white heavy chemicals Co., Ltd
BaSO4(800 mesh to 4000 mesh) product；Talcum powder can be the talcum powder purchased from Shanghai jump river titanium white heavy chemicals Co., Ltd,
Its main component is hydrous magnesium silicate；Kaolin can be the kaolin purchased from Shanghai jump river titanium white heavy chemicals Co., Ltd,
Main component is aluminum oxide and silica.
Total amount based on coating composition of the present invention is 100 parts by weight, and the dosage of the inorganic particle can be 1-80 weight
Part, preferably 20-60 parts by weight, more preferable 30-50 parts by weight；The dosage of titanium dioxide is 1-40 parts by weight and sulphur preferably wherein
The dosage of sour barium is 0-40 parts by weight, and the dosage of further preferred titanium dioxide is the dosage of 10-30 parts by weight and barium sulfate
For 10-30 parts by weight, the dosage of particularly preferred titanium dioxide is that the dosage of 20-30 parts by weight and barium sulfate is 20-30 weight
Part.
In using coating made by coating composition of the present invention, the volume of the inorganic particle accounts for coating total volume
Percentage (i.e. PVC) be 20-60%, preferably 30-50%, most preferably 35-45%, particularly preferred 40%.
Optional adjuvants
On the one hand, coating composition of the invention can also be optionally comprising other auxiliary agents, such as, but not limited to wetting point
Powder, defoaming agent, coalescing agent, substrate moistening flatting agent, pH adjusting agent, rheological agent and surfactant.
The dosage of the optional adjuvants is not limited, as long as not influencing the performance of coating composition of the invention.Institute
Optional adjuvants are stated to be known in the art and commercially available.For example, defoaming agent can be for purchased from the 901W for winning wound industrial group；PH value
Regulator can be the AMP-95 purchased from DOW Chemical；Auxiliary rheological agents can be the hydroxyethyl cellulose purchased from Ya Kualong company, the U.S.
250HBR；Coalescing agent can be propylene glycol；Wetting dispersing agent can be the wetting dispersing agent purchased from German Bi Ke chemical company
BYK190；Substrate moistening flatting agent can be the polyether modified siloxane of molecular weight lower (such as molecular weight is several hundred), such as purchase
From the BYK349 of German Bi Ke chemical company.
Surfactant for use in the present invention includes the surfactant of self-crosslinkable and the surface of self-crosslinkable is not lived
Property agent.The surfactant includes but is not limited to polysiloxane surfactant.
The polysiloxane surfactant is preferably the polysiloxane surfactant of not self-crosslinkable.
It is preferred that the polysiloxane surfactant can be it is following one or more: self-crosslinkable it is polyether-modified
The polyether-modified dimethyl silicone polymer of dimethyl silicone polymer and not self-crosslinkable, the most preferably not polyethers of self-crosslinkable
Modified dimethyl silicone polymer.It is preferred that the polyether-modified dimethyl silicone polymer of the self-crosslinkable is selected from the poly- of hydroxyl
The modified dimethyl silicone polymer of ether.It is preferred that the polyether-modified dimethyl silicone polymer of the not self-crosslinkable is selected from and is free of hydroxyl
The polyether-modified dimethyl silicone polymer of base.
Surfactant for use in the present invention is known in the art and commercially available, such as the higher line style of molecular weight
Polyether-modified dimethyl silicone polymer.As example, the polyether-modified dimethyl silicone polymer of the not self-crosslinkable can be
Purchased from the commodity BYK378 of German Bi Ke chemical company, the polyether-modified dimethyl silicone polymer of the self-crosslinkable can be purchase
From the commodity BYK3720 of German Bi Ke chemical company.
Total amount based on coating composition of the present invention is 100 parts by weight, and the dosage of the surfactant can be 0-10 weight
Measure part, preferably 0.1-5 parts by weight, particularly preferred 0.1-3 parts by weight, most preferably 0.1-1 parts by weight.
Also contain water in coating composition of the invention.The content of water is unrestricted, as long as not influencing painting of the invention
The performance of feed composition.For example, the content of water can be 5-60 parts by weight, 10-50 parts by weight, 10-40 parts by weight, 10-30
Parts by weight or 10-20 parts by weight.
Another aspect of the present invention provides the preparation method of monocomponent waterborne polyurethane coating composition of the present invention, the side
Method includes the following steps:
A) inorganic particle and optional auxiliary agent are uniformly mixed in water, and
B waterborne polyurethane resin, optional acrylate) are added into mixture obtained in step A) and appoints
The auxiliary agent of choosing simultaneously uniformly mixes.
In one embodiment, in the step B of the method for the present invention) mixing rate be lower than step A) mixing rate.
In one embodiment, the present invention provides the preparation side of monocomponent waterborne polyurethane coating composition of the present invention
Method, described method includes following steps:
A) inorganic particle and optional auxiliary agent are stirred 10-30 minutes in water, preferably mixing speed is 1500-2500
Rev/min；And
B waterborne polyurethane resin, optional acrylate) are added into mixture obtained in step A) and appoints
The auxiliary agent of choosing stirs 5-20 minutes, and preferably mixing speed is 600-1200 revs/min.
In one embodiment, in the step B of the method for aforementioned present invention) in be added self-crosslinking hydroxy acryl acid tree
The acrylate of rouge.
It is preferred that in the method for the invention, the waterborne polyurethane resin is added in the form of aqueous polyurethane resin dispersion
Add, the acrylate adds in the form of an emulsion.
In one embodiment, the present invention provides the preparation side of monocomponent waterborne polyurethane coating composition of the present invention
Method, described method includes following steps:
A titanium dioxide and barium sulfate and wetting dispersing agent, defoaming agent, pH adjusting agent and cellulose ether) are put into water
In and stir 10-30 minutes, preferably mixing speed is 1500-2500 revs/min；And
B aqueous polyurethane resin dispersion, self-crosslinking hydroxy acryl acid) are added into mixture obtained in step B)
Resin emulsion, coalescing agent, defoaming agent, substrate wetting dispersing agent, surfactant simultaneously stir 5-20 minutes, preferably mixing speed
It is 600-1200 revs/min.
It yet still another aspect, the present invention provides a kind of coating method, including the coating composition to be applied on substrate.
The substrate is preferably artificial stone, timber, imitation wood, marble, terrazzo, ceramics, malthoid, metal, mineral
Material, plastics, rubber, concrete, composite board, paper, leather or glass are further preferred that artificial stone, timber, sham wood
Material, marble, terrazzo, ceramics, metal, mineral material or concrete, most preferably concrete.
In also one side, the present invention provides monocomponent waterborne polyurethane coating composition buildings waterproof of the present invention, such as roofing
Waterproof, kitichen and toilet waterproof, the purposes of prepares coating in the fields such as swimming pool waterproof.
In another aspect, the present invention provides a kind of coated product, applied comprising a substrate and by the coating composition
It is added to the coating formed on substrate.
The coated product is preferably built, such as roofing, kitichen and toilet or swimming pool.
In this application, all numbers for indicating quantity, percentage, parts by weight, hydroxyl value, degree of functionality etc are in love in institute
It is understood to be modified by term " about " under condition.
Referring now to the present invention is described in detail in following specific embodiments.However, those skilled in the art are not difficult
Understand, embodiment herein is used only for example purpose, and the scope of the invention is not limited to this.
Embodiment
Raw material
Table 1 gives for the raw material in the embodiment of the present invention and comparative example.
Experimental material
The preparation method and its test method of sample are as follows in embodiment.
Sample preparation and test method
1. tensile strength and fracture elongation
A) coating composition obtained is scratched and is applied on paper in stripping, thickness of dry film 1.5mm；
B) solidification 7 days in standard state (23 DEG C ± 2 DEG C, 50% ± 10%), temperature: 23 DEG C, humidity: 50%；After 4 days
Need turn-over；
C) paint films are cut into dumbbell shape；And
D) at room temperature with ZWICK universal testing machine measurement elongation at break and tensile strength, tensile speed speed
For 500 mm/mins.
2. the status of criterion, acid are handled, the national standard and building trade standard of the tensile strength under alkali process and fracture elongation
Value and water absorption rate national standard and building trade standard value
1 performance indicator standard value of table
3. water absorption rate:
A) cured paint film weight is measured, m1 (g) is denoted as；
B) institute (is promulgated) by General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China according to GB/T 6682-2008
It states and impregnates above-mentioned coating film 168 hours in water；
C) excessive water is removed with napkin paper, then measurement absorbs the weight of the paint film of water, is denoted as m2 (g)；
D) water absorption rate is calculated, is indicated with %.Water absorption rate %=(m2-ml)/ml.
In following embodiment, described part is parts by weight, and the amount for the component added with dispersion or emulsion form refers to dispersion
The amount of body or lotion.
Embodiment 1
By 2.36 parts of wetting dispersing agents (DISPER BYK-190), 0.22 part of defoaming agent (Airex 901W)、
23.69 parts of titanium dioxides (R706), 23.69 parts of barium sulfate (800 mesh), 0.14 part of pH adjusting agent (AMP-95) and 0.55 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.24.72 parts of aqueous polyurethane dispersion are added1537,1.97 parts of coalescing agents (propylene glycol) of DL, 0.41 part of defoaming agent (BYK022), 0.55 part of substrate wetting point
Powder (BYK349), remainder supply 100 parts with water, stir 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is
40%.
Embodiment 2
By 2.24 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.45 parts of titanium dioxides (R706), 22.45 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.52 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.28.63 parts of aqueous polyurethane dispersion are added
2880,1.97 parts of coalescing agents (propylene glycol) of Bayhydrol UH, 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting
Dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is
40%.
2 coating property of table
Bayhydrol UH 2880 used in embodiment 2 is based on aliphatic isocyanates and polyether polyol
Aqueous polyether polyurethane dispersion, and used in embodiment 1DL 1537 be based on aliphatic isocyanates and
The waterborne polyester dispersions of polyurethanes of polyester polyol.As can be seen from Table 2, the coating of Examples 1 and 2 all meets building trade standard
JC/T 864-2008, and include the aqueous polyether polyurethane dispersion based on aliphatic isocyanates and polyether polyol
The properties of the coating of the embodiment 2 of the lotion of Bayhydrol UH 2880 are most excellent, and standard tensile intensity and fracture are prolonged
It stretches rate and meets GB/T 19250-2013 requirement.
Embodiment 3
By 1.81 parts of wetting dispersing agents (DISPER BYK-190), 0.17 part of defoaming agent (Airex 901W)、
46.27 parts of titanium dioxides (R706), 0.11 part of pH adjusting agent (AMP-95) and 0.17 part of cellulose ether stir 20 points into the water
Clock, mixing speed are 2000 revs/min.2880,1.97 parts of 32.6 parts of aqueous polyurethane dispersion Bayhydrol UH film forming are added
Auxiliary agent propylene glycol, 0.32 part of defoaming agent BYK022,0.42 part of substrate wetting dispersing agent (BYK349), remainder is supplied with water
It 100 parts, stirs 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 4
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
45.03 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of cellulose ether stir 20 points into the water
Clock, mixing speed are 2000 revs/min.Be added 2880,1.97 parts of 28.72 parts of aqueous polyurethane dispersion Bayhydrol UH at
Film auxiliary agent (propylene glycol), 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting dispersing agent (BYK349), remainder water
100 parts are supplied, is stirred 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 5
By 2.69 parts of wetting dispersing agents (DISPER BYK-190), 0.25 part of defoaming agent (Airex 901W)、
33.28 parts of talcum powder (800 mesh), 0.16 part of pH adjusting agent (AMP-95) and 0.32 part of cellulose ether stir 20 points into the water
Clock, mixing speed are 2000 revs/min.Be added 2880,1.97 parts of 34.86 parts of aqueous polyurethane dispersion Bayhydrol UH at
Film auxiliary agent (propylene glycol), 0.48 part of defoaming agent (BYK022), 0.63 part of substrate wetting dispersing agent (BYK349), remainder water
100 parts are supplied, is stirred 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 6
By 2.69 parts of wetting dispersing agents (DISPER BYK-190), 0.25 part of defoaming agent (Airex 901W)、
33.28 parts of kaolin (800 mesh), 0.16 part of pH adjusting agent (AMP-95) and 0.32 part of cellulose ether stir 20 points into the water
Clock, mixing speed are 2000 revs/min.Be added 2880,1.97 parts of 34.86 parts of aqueous polyurethane dispersion Bayhydrol UH at
Film auxiliary agent (propylene glycol), 0.48 part of defoaming agent (BYK022), 0.63 part of substrate wetting dispersing agent (BYK349), remainder water
100 parts are supplied, is stirred 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 7
By 2.24 parts of wetting dispersing agents (DISPER BYK-190), 1.02 parts of defoaming agents (Airex 901W)、
22.42 parts of titanium dioxides (R706), 22.42 parts of barium sulfate (1250 mesh), 0.1 part of pH adjusting agent (AMP-95) and 0.51 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.27.49 parts of aqueous polyurethane dispersion are added
2880,2.04 parts of coalescing agents (propylene glycol) of Bayhydrol UH, 0.31 part of defoaming agent (BYK022), 0.41 part of substrate wetting
Dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is
40%.
Embodiment 8
By 2.23 parts of wetting dispersing agents (DISPER BYK-190), 1.02 parts of defoaming agents (Airex 901W)、
22.35 parts of titanium dioxides (R706), 22.35 parts of barium sulfate (4000 mesh), 0.1 part of pH adjusting agent (AMP-95) and 0.1 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.27.41 parts of aqueous polyurethane dispersion are added
2880,2.03 parts of coalescing agents (propylene glycol) of Bayhydrol UH, 0.41 part of defoaming agent (BYK022), 0.3 part of substrate wetting point
Powder (BYK349), remainder supply 100 parts with water, stir 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is
40%.
3 coating composition formula of table
| Coating | Dispersion | Inorganic particle | PVC |
| Embodiment 3 | Bayhydrol UH 2880 | Titanium dioxide (R706) | 40% |
| Embodiment 4 | Bayhydrol UH 2880 | Barium sulfate (800 mesh) | 40% |
| Embodiment 5 | Bayhydrol UH 2880 | Talcum powder (800 mesh) | 40% |
| Embodiment 6 | Bayhydrol UH 2880 | Kaolin (800 mesh) | 40% |
| Embodiment 7 | Bayhydrol UH 2880 | Titanium dioxide (R706), barium sulfate (1250 mesh) 1: 1 | 40% |
| Embodiment 8 | Bayhydrol UH 2880 | Titanium dioxide (R706), barium sulfate (4000 mesh) 1: 1 | 40% |
4 coating performance of table
As seen from the above table, the coating of embodiment 3-8 all meets building trade standard JC/T 864-2008, using barium sulfate
Preferable performance is obtained with the combined formula of titanium dioxide, is prolonged under the status of criterion with soda acid treated tensile strength and fracture
It stretches rate and meets GB/T 19250-2013 requirement, wherein especially being matched with what 1250 mesh barium sulfate and titanium dioxide R706 were mixed
Square properties general performance is the most excellent.
Embodiment 9
By 2.23 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.36 parts of titanium dioxides (R706), 22.36 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.25.93 parts of aqueous polyurethane dispersion are added
2880,2.59 parts of aqueous polyurethane dispersion of Bayhydrol UHUH2606,1.97 parts of coalescing agents (the third two
Alcohol), 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting dispersing agent (BYK349), remainder supplies 100 parts with water,
Stirring 10 minutes, mixing speed are 800 revs/min.Being formulated PVC is 40%.
Embodiment 10
By 2.26 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.69 parts of titanium dioxides (R706), 22.69 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.24.99 parts of aqueous polyurethane dispersion are added
2880,2.5 parts of aqueous polyurethane dispersion of Bayhydrol UHDLU, 1.97 parts of coalescing agents (propylene glycol),
0.39 part of defoaming agent (BYK022), 0.53 part of substrate wetting dispersing agent (specially which kind of substance), remainder supplies 100 with water
Part, it stirs 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 11
By 2.20 parts of wetting dispersing agents (DISPER BYK-190), 0.2 part of defoaming agent (Airex 901W)、
22.05 parts of titanium dioxides (R706), 22.05 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.26.84 parts of aqueous polyurethane dispersion are added
Bayhydrol UH 2880,2.68 parts of aqueous polyurethane dispersion Bayhydrol UH XP, 2592,1.97 parts of coalescing agents
(propylene glycol), 0.38 part of defoaming agent (BYK022), 0.51 part of substrate wetting dispersing agent BYK349, remainder supply 100 with water
Part, it stirs 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 12
By 2.23 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.36 parts of titanium dioxides (R706), 22.36 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.25.93 parts of aqueous polyurethane dispersion are added
2880,2.59 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.01 parts of coalescing agents (the third two
Alcohol), 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting dispersing agent (BYK349), remainder supplies 100 parts with water,
Stirring 10 minutes, mixing speed are 800 revs/min.Being formulated PVC is 40%.
Embodiment 13
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 1.01 parts of defoaming agents (Airex 901W)、
22.29 parts of titanium dioxides (R706), 22.29 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.26.32 parts of aqueous polyurethane dispersion are added
2880,2.63 parts of acrylic acid dispersion RS-9169M of Bayhydrol UH, 1.97 parts of coalescing agents (propylene glycol), 0.3 part of defoaming
Agent (BYK022), 0.4 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, stirring
Speed is 800 revs/min.Being formulated PVC is 40%.
5 formulation for coating material of table
6 coating property of table
As seen from the above table, the coating of embodiment 9-13 all meets building trade standard JC/T 864-2008, using based on rouge
The polyether-polyurethane resin B ayhydrol UH 2880 and self-crosslinking hydroxyl propylene of fat race isocyanates and polyether polyol
Acid resinThe composition properties general performance of A 2846XP is most excellent, handles under the status of criterion with soda acid
Tensile strength and fracture elongation afterwards and meet GB/T 19250-2013 requirement.
Embodiment 14
By 2.23 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.39 parts of titanium dioxides (R706), 22.39 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.2 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.28.55 parts of aqueous polyurethane dispersion are added
2880,2.6 parts of coalescing agents (propylene glycol) of Bayhydrol UH, 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting point
Powder (BYK349), 0.3 part of surfactant B YK378, remainder supply 100 parts with water, stir 10 minutes, mixing speed
It is 800 revs/min.Being formulated PVC is 40%.
Embodiment 15
By 2.23 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.39 parts of titanium dioxides (R706), 22.39 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.52 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.28.55 parts of aqueous polyurethane dispersion are added
2880,2.6 parts of coalescing agents (propylene glycol) of Bayhydrol UH, 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting point
Powder (BYK349), 0.3 part of surfactant B YK3720, remainder supply 100 parts with water, stir 10 minutes, mixing speed
It is 800 revs/min.Being formulated PVC is 40%.
Embodiment 16
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.30 parts of titanium dioxides (R706), 22.30 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.25.85 parts of aqueous polyurethane dispersion are added
2880,2.59 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.59 parts of coalescing agents (the third two
Alcohol), 0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting dispersing agent (BYK349), 0.3 part of surfactant B YK378,
Remainder supplies 100 parts with water, stirs 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is 40%.
Embodiment 17
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 0.21 part of defoaming agent (Airex 901W)、
22.30 parts of titanium dioxides (R706), 22.30 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.25.85 parts of aqueous polyurethane dispersion are added
2880,2.59 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.59 parts of coalescing agent propylene glycol,
0.39 part of defoaming agent (BYK022), 0.52 part of substrate wetting dispersing agent (BYK349), 0.3 part of surfactant B YK3720 are remaining
Part supplies 100 parts with water, stirs 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is 40%.
7 formulation for coating material of table
8 coating property of table
Tensile strength and fracture of the coating obtained by embodiment 14-15 in standard state, acid processing and alkali process are stretched
Long rate and embodiment 2 are very close, drawing of the coating obtained by embodiment 16-17 in standard state, acid processing and alkali process
It stretches intensity and elongation at break and embodiment 12 is very close.
As seen from the above table, using the polyether-modified dimethyl silicone polymer BYK378's and hydroxyl of not self-crosslinkable
The polyether-modified dimethyl silicone polymer solution B YK3720 of self-crosslinkable can reduce water absorption rate.Observe 14 He of embodiment
The storage stability of 16 gained coating is more preferable, therefore preferably selects the polyether-modified dimethyl silicone polymer of not self-crosslinkable
BYK378 reduces water absorption rate.
Embodiment 18
By 2.08 parts of wetting dispersing agents (DISPER BYK-190), 0.19 part of defoaming agent (Airex 901W)、
20.83 parts of titanium dioxides (R706), 20.83 parts of barium sulfate (800 mesh), 0.12 part of pH adjusting agent (AMP-95) and 0.48 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.33.8 parts of aqueous polyurethane dispersion are added
2880,1.97 parts of coalescing agent propylene glycol of Bayhydrol UH, 0.36 part of defoaming agent (BYK022), 0.48 part of substrate wetting point
Powder (BYK349), remainder supply 100 parts with water, stir 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is
35%.
9 formulation for coating material of table
| Coating | Dispersion | Inorganic particle | PVC |
| Embodiment 18 | Bayhydrol UH 2880 | Titanium dioxide (R706), barium sulfate (800 mesh) | 35% |
10 coating property of table
Embodiment 19
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 1.01 parts of defoaming agents (Airex 901W)、
22.22 parts of titanium dioxides (R706), 22.22 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.26.24 parts of aqueous polyurethane dispersion are added
2880,2.92 parts of acrylic acid dispersion RS-9169M of Bayhydrol UH, 1.97 parts of coalescing agent propylene glycol, 0.3 part of defoaming agent
(BYK022), 0.4 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, stirring speed
Degree is 800 revs/min.Being formulated PVC is 40%.
Embodiment 20
By 2.22 parts of wetting dispersing agents (DISPER BYK-190), 1.01 parts of defoaming agents (Airex 901W)、
22.25 parts of titanium dioxides (R706), 22.25 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.23.25 parts of aqueous polyurethane dispersion are added
2880,5.81 parts of acrylic acid dispersion RS-9169M of Bayhydrol UH, 1.97 parts of coalescing agent propylene glycol, 0.3 part of defoaming agent
(BYK022), 0.4 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, stirring speed
Degree is 800 revs/min.Being formulated PVC is 40%.
Embodiment 21
By 2.24 parts of wetting dispersing agents (DISPER BYK-190), 1.02 parts of defoaming agents (Airex 901W)、
22.48 parts of titanium dioxides (R706), 22.48 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.19.87 parts of aqueous polyurethane dispersion are added
2880,8.52 parts of acrylic acid dispersion RS-9169M of Bayhydrol UH, 1.97 parts of coalescing agent propylene glycol, 0.31 part of defoaming
Agent (BYK022), 0.41 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stir 10 minutes, stirring
Speed is 800 revs/min.Being formulated PVC is 40%.
Comparative example 1
By 2.31 parts of wetting dispersing agents (DISPER BYK-190), 1.05 parts of defoaming agents (Airex 901W)、
23.13 parts of titanium dioxides (R706), 23.13 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.Be added 26.26 parts of acrylic acid dispersion RS-9169M,
1.97 parts of coalescing agent propylene glycol, 0.32 part of defoaming agent (BYK022), 0.42 part of substrate wetting dispersing agent (BYK349), remainder
Divide and supply 100 parts with water, stir 10 minutes, mixing speed is 800 revs/min.Being formulated PVC is 40%.
11 mechanical property of table compares
Embodiment 22
By 2.10 parts of wetting dispersing agents (DISPER BYK-190), 1.22 parts of defoaming agents (Airex 901W)、
21.09 parts of titanium dioxides (R706), 21.09 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.25.67 parts of aqueous polyurethane dispersion are added
2880,2.85 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.44 parts of coalescing agent propylene glycol,
0.49 part of defoaming agent (BYK022), 0.61 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stirring
10 minutes, mixing speed was 800 revs/min.Being formulated PVC is 40%.
Embodiment 23
By 2.09 parts of wetting dispersing agents (DISPER BYK-190), 1.22 parts of defoaming agents (Airex 901W)、
20.98 parts of titanium dioxides (R706), 20.98 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.23.11 parts of aqueous polyurethane dispersion are added
2880,5.78 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.43 parts of coalescing agent propylene glycol,
0.49 part of defoaming agent (BYK022), 0.61 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stirring
10 minutes, mixing speed was 800 revs/min.Being formulated PVC is 40%.
Embodiment 24
By 2.08 parts of wetting dispersing agents (DISPER BYK-190), 1.21 parts of defoaming agents (Airex 901W)、
20.84 parts of titanium dioxides (R706), 20.84 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.20.54 parts of aqueous polyurethane dispersion are added
2880,8.81 parts of acrylic acid dispersions of Bayhydrol UHA 2846XP, 2.42 parts of coalescing agent propylene glycol,
0.48 part of defoaming agent (BYK022), 0.60 part of substrate wetting dispersing agent (BYK349), remainder supply 100 parts with water, stirring
10 minutes, mixing speed was 800 revs/min.Being formulated PVC is 40%.
Comparative example 2
By 2.10 parts of wetting dispersing agents (DISPER BYK-190), 0.96 part of defoaming agent (Airex 901W)、
21.05 parts of titanium dioxides (R706), 21.05 parts of barium sulfate (800 mesh), 0.13 part of pH adjusting agent (AMP-95) and 0.26 part of fiber
Plain ether stirs 20 minutes into the water, and mixing speed is 2000 revs/min.31.55 parts of acrylic acid dispersions are addedA
2846XP, 1.91 parts of coalescing agent propylene glycol, 0.38 part of defoaming agent (BYK022), 0.38 part of substrate wetting dispersing agent
(BYK349), remainder supplies 100 parts with water, stirs 10 minutes, and mixing speed is 800 revs/min.Being formulated PVC is 40%.
12 mechanical property of table compares
As seen from the above table, by weight, when the amount of solid of Bayhydrol UH 2880 withA 2846XP's
The ratio of amount of solid is greater than 2: 1, and when being especially not less than 9: 1, composition properties general performance is most excellent.
Embodiment 25
According to embodiment 25 is carried out the step of embodiment 16, except that using 0.6 part of surfactant B YK378.
Embodiment 26
According to embodiment 26 is carried out the step of embodiment 16, except that using 0.9 part of surfactant B YK378.
Embodiment 27
According to embodiment 27 is carried out the step of embodiment 17, except that using 0.6 part of surfactant B YK3720.
Embodiment 28
According to embodiment 28 is carried out the step of embodiment 17, except that using 0.9 part of surfactant B YK3720.
Table 13 adds water absorption rate and cosmetic variation after surfactant
| Embodiment 25 | Embodiment 26 | Embodiment 27 | Embodiment 28 | |
| Water absorption rate | 5 | 8 | 5 | 8 |
| Film outward appearance | Ungauged regions | Slightly shrink | Ungauged regions | Slightly shrink |
Tensile strength and fracture of the coating obtained by embodiment 25-28 in standard state, acid processing and alkali process are stretched
Long rate and embodiment 16,17 are very close.
Although shown and discuss some aspects of the invention, it should be appreciated by one skilled in art that
Above-mentioned aspect can be changed under conditions of without departing substantially from the principle of the invention and spirit, therefore the scope of the present invention will be by weighing
Benefit requires and equivalent content is limited.
Claims (17)
1. a kind of monocomponent waterborne polyurethane coating composition, which is characterized in that the coating composition includes aqueous polyurethane
Resin, inorganic particle, optional acrylate and optional auxiliary agent, wherein the amount of solid of the waterborne polyurethane resin
For 10-30 parts by weight, the total amount based on the coating composition is 100 parts by weight.
2. coating composition described in claim 1, which is characterized in that the waterborne polyurethane resin is following one kind or more
Kind: polyether-polyurethane resin based on aliphatic isocyanates and polyether polyol, based on aliphatic isocyanates and poly- carbonic acid
The polycarbonate polyurethane resin and polyester polyurethane resin of ester polyol.
3. coating composition of any of claims 1-2, which is characterized in that the acrylate is following
It is one or more: to be selected from styrene-acrylic copolymer resin and self-crosslinking hydroxy acryl acid resin.
4. the coating composition of claim 1, which is characterized in that the coating composition includes selected from based on aliphatic isocyanic acid
The waterborne polyurethane resin of ester and the polyether-polyurethane resin of polyether polyol and it is selected from self-crosslinking hydroxy acryl acid resin
Acrylate.
5. the coating composition of any one of claim 1-4, which is characterized in that the inorganic particle is following one kind or more
Kind: titanium dioxide, barium sulfate, talcum powder and kaolin particle.
6. coating composition described in claim 5, which is characterized in that the average grain diameter of the titanium dioxide granule is 0.1-
0.4 micron, the average grain diameter of barium sulfate particle is 800-4000 mesh, preferably 1250-4000 mesh.
7. coating composition of any of claims 1-6, which is characterized in that the auxiliary agent includes surfactant,
The surfactant is selected from polysiloxane surfactant, is preferably selected from the polysiloxane surfactant of not self-crosslinkable.
8. coating composition of any of claims 1-7, which is characterized in that the surfactant changes selected from polyethers
The dimethyl silicone polymer of property, is preferably selected from the polyether-modified dimethyl silicone polymer of not self-crosslinkable.
9. coating composition of any of claims 1-8, which is characterized in that the solid of the waterborne polyurethane resin
Amount is 10-25 parts by weight, and preferably 10-22 parts by weight, more preferable 10-21 parts by weight, the total amount based on the coating composition is
100 parts by weight.
10. coating composition of any of claims 1-9, which is characterized in that by weight, the aqueous polyurethane
The ratio of the amount of solid of resin and the amount of solid of the acrylate is greater than 2: 1 preferably not less than 5: 1, more preferably not
Less than 9: 1.
11. coating composition of any of claims 1-10, which is characterized in that the amount of the inorganic particulate component is
1-80 parts by weight, preferably 20-60 parts by weight, more preferably 30-50 parts by weight, the total amount based on the coating composition are
100 parts by weight.
12. coating composition of any of claims 1-11, which is characterized in that made by the coating composition
Coating in, the volume of the inorganic particle accounts for the 20-60% of coating total volume, preferably 30-50%, most preferably 35-45%, special
Not preferably 40%.
13. the preparation method of coating composition of any of claims 1-12, described method includes following steps:
A) inorganic particle and optional auxiliary agent are uniformly mixed in water, and
B waterborne polyurethane resin, optional acrylate and optional) are added into mixture obtained in step A)
Auxiliary agent simultaneously uniformly mixes.
14. a kind of coating method, including will be applied on substrate such as coating composition of any of claims 1-12.
15. coating method described in claim 14, which is characterized in that the substrate is artificial stone, timber, imitation wood, big
Fibrous gypsum, terrazzo, ceramics, malthoid, metal, mineral material, plastics, rubber, concrete, composite board, paper, leather or glass
Glass, most preferably concrete.
16. coating composition of any of claims 1-12 is in buildings waterproof, as roof waterproof, kitichen and toilet are anti-
The purposes of prepares coating in water, swimming pool waterproof field.
17. a kind of coated product, comprising a substrate and by coating composition described according to claim 1 any one of -12
It is applied to the coating formed on substrate.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670096A (en) * | 2005-03-16 | 2005-09-21 | 上海市建筑科学研究院有限公司 | Monocomponent high elastic aqueous polyurethane/acrylate waterproof paint and process for preparing same |
| JP2009197148A (en) * | 2008-02-22 | 2009-09-03 | Cashew Co Ltd | Aqueous one-component coating composition |
| CN103627279A (en) * | 2013-11-18 | 2014-03-12 | 广东巴德士化工有限公司 | Single-component waterborne finishing coat and preparation method thereof |
| CN105462466A (en) * | 2014-09-26 | 2016-04-06 | 立邦涂料（中国）有限公司 | High-pinhole limit aqueous coating composition |
-
2018
- 2018-01-17 CN CN201810046837.8A patent/CN110054941B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670096A (en) * | 2005-03-16 | 2005-09-21 | 上海市建筑科学研究院有限公司 | Monocomponent high elastic aqueous polyurethane/acrylate waterproof paint and process for preparing same |
| JP2009197148A (en) * | 2008-02-22 | 2009-09-03 | Cashew Co Ltd | Aqueous one-component coating composition |
| CN103627279A (en) * | 2013-11-18 | 2014-03-12 | 广东巴德士化工有限公司 | Single-component waterborne finishing coat and preparation method thereof |
| CN105462466A (en) * | 2014-09-26 | 2016-04-06 | 立邦涂料（中国）有限公司 | High-pinhole limit aqueous coating composition |
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| CN113549187A (en) * | 2021-08-06 | 2021-10-26 | 扬州工业职业技术学院 | Waterborne polyurethane for microfiber leather and preparation method thereof |
| CN113943528A (en) * | 2021-11-18 | 2022-01-18 | 广州天泓医疗科技有限公司 | Coating for coating low-temperature thermoplastic plate and silky low-temperature thermoplastic plate with hand feeling |
| CN116355515A (en) * | 2021-12-29 | 2023-06-30 | 江苏奥斯佳材料科技股份有限公司 | Application of water-based strippable paint |
| CN114410165A (en) * | 2022-03-10 | 2022-04-29 | 陕西亮业科建设工程集团有限公司 | Difficult-to-fall colored decorative paint |
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| CN114958185A (en) * | 2022-08-01 | 2022-08-30 | 广东合胜实业股份有限公司 | Single-component high-strength waterborne polyurethane waterproof coating and preparation method thereof |
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| CN116769389A (en) * | 2023-06-06 | 2023-09-19 | 中国化工株洲橡胶研究设计院有限公司 | Water-based scratch-resistant protective coating and preparation method thereof |
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