CN106752874A - A kind of clear priming paint of aqueous dual-component quick-drying and its application - Google Patents
A kind of clear priming paint of aqueous dual-component quick-drying and its application Download PDFInfo
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- CN106752874A CN106752874A CN201611229884.3A CN201611229884A CN106752874A CN 106752874 A CN106752874 A CN 106752874A CN 201611229884 A CN201611229884 A CN 201611229884A CN 106752874 A CN106752874 A CN 106752874A
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
It is 100 by weight ratio the invention provides a kind of clear priming paint of aqueous dual-component quick-drying:The film-forming components and curing agent of (3~5) are mixed；Wherein, by weight, 75 85 parts of aqueous acrylic modified dispersions of polyurethanes is contained in every 100 parts of film-forming components；Curing agent is hydrophilic aliphatic PIC.Wherein, curing agent can react with a small amount of free hydroxyl group for containing in acrylic acid modified polyurethane dispersion, in the case where the very fast rate of drying of paint film is ensured, hardness, consistency, the chemical-resistant of paint film can be significantly improved, the clear finish is a kind of water soluble green, environmentally friendly machine simultaneously, and the health to workmen does not produce harm.
Description
Technical field
The invention belongs to technical field of coatings, specifically, it is related to a kind of clear priming paint of aqueous dual-component quick-drying and its application.
Background technology
It is well known that the decentralized medium of aqueous woodware paint product be water, and all film-forming carriers be it is aqueous synthesis or
The product compatible with water for emulsifying, so just causes aqueous woodware paint to be produced with solvent-borne type in dry speed and chemical-resistant
Condition compares, especially chemical-resistant.Simultaneously as the rate of drying of aqueous woodware paint is slow so that aqueous woodware paint
Workability, the sanding property of paint film cannot also be mentioned in the same breath with solvent based product.
Existing aqueous woodware paint present situation is：Single-component water-based woodcare paint film forming speed is very fast, but paint film cannot reach at all
To the performance of solvent based product；Double-component woodcare paint product in film forming procedure due to crosslinking effect, therefore, chemicals-resistant
Property preferably, but slow drying speed during film forming, as restricting its short slab widely applied.
Therefore, the new aqueous woodware paint not only with fast filming but also with good chemical-resistant is developed very valuable
Value.
The content of the invention
It is an object of the invention to the defect for overcoming existing one pack system and aqueous wood lacquer with double components product to exist, there is provided one
Kind of aqueous dual-component quick-drying primer, the rate of drying of the priming paint close to one pack system woodcare paint, meanwhile, hardness and chemical-resistant connect
Nearly double-component woodcare paint product.
The present invention is adopted the following technical scheme that and realizes above-mentioned purpose：
A kind of aqueous dual-component quick-drying primer, is 100 by weight ratio:(3~5) film-forming components and curing agent mixing and
Into；Wherein, by weight, 75-85 parts of aqueous acrylic modified dispersions of polyurethanes is contained in every 100 parts of film-forming components；Institute
Curing agent is stated for hydrophilic aliphatic PIC.
Wherein, the weight of film-forming components and curing agent than it is optimal be 100:3.
In above-mentioned formula, the aqueous acrylic modified dispersions of polyurethanes (PUA) in film-forming components is one pack system self-drying type
Component, the main film forming substance frequently as one-component primers is used, but its hardness, consistency and chemical-resistant are poor.Invention
People's discovery, using PUA as main film forming substance, above-mentioned property can be significantly improved by the way of outer addition crosslinking agent (curing agent)
Can, additional crosslink agent can react with a small amount of free hydroxyl group for containing in PUA so that the hardness of paint film, consistency, chemical-resistant
Significantly improved compared with one-component product, it is important that the rate of drying of paint film is compared one-component product and do not declined, and the bi-component is clear
The rate of drying of finish paint has substantive shortening for comparing the traditional bi-component hydroxypropyl product emulsion in this area.
Wherein, described aqueous acrylic modified dispersions of polyurethanes is known in the art product, it is preferred to use solid content
Product more than 35%.During concrete application, 2745 type products that can be produced using Shu Bang companies, or the easy Cohan in Guangdong
6201st, 1235 type product, or Guangdong is with the PUA-9 type products of moral.
Wherein, the hydrophilic aliphatic PIC that the curing agent is used also is known in the art product, the present invention
It is preferred that using the hydrophilic aliphatic PIC based on hexamethylene diisocyanate (HDI).The product has hydrophilic, easy
The characteristics of emulsification, quick-drying and hardness climb fast.During concrete application, the hydrophilic aliphatic PIC based on HDI can be used
2655 type products of Beyer Co., Ltd.
It will be understood by those skilled in the art that also contributing to the auxiliary agent of film forming in the aqueous dual-component quick-drying primer
Composition, the auxiliary agent can use type commonly used in the art, and such as thickener, levelling agent, wetting agent, grinding auxiliary agent, defoamer are helped
Solvent, pH adjusting agent, diluent etc..
Preferably, defoamer, surfactant, levelling agent, thickener and water are also included in film-forming components of the invention, this
The addition of a little auxiliary agents can further improve the filming performance and paint film self performance of paint film.
It is further preferred that every 100 parts of film-forming components include 0.2-0.5 parts of defoamer, 0.5-0.8 parts of surface is lived
Property agent, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickener, 10-18 parts of water.
Used as the present invention preferably technical scheme, the film-forming components include following component：
Used as the technical scheme that the present invention is optimal, the film-forming components include following component：
Wherein, the defoamer is preferably organosiloxane class defoamer, hydrophobic solid and brokenly bubble without organosilicon
At least one of the mixing species defoamer kind of polymer.During concrete application, can using BYK companies of Germany BYK024,
BYK028, TEGO810 type product.
Wherein, the surfactant is preferably ion or nonionic surface active agent, more preferably acetylenic glycols
Surfactant (nonionic), such surfactant has wetting, froth breaking and improves various functions such as coating dispersiveness, can
Raising system is to the dynamic moisture ability of various base materials, and static and dynamic surface tension is low, can promote to flow levelling, while tool
There is preferable suds effect.During concrete application, can be using the 104E type products of aerochemistry (AIR PRODUCTS).
Wherein, the levelling agent is preferably at least one in esters of acrylic acid levelling agent, polysiloxane-based levelling agent, should
Class levelling agent can effectively reduce body surface tension force, promote levelling, while having wetting, suds and without ghost effect.Specifically should
Used time, the PW336 type products that can be first created using France, or commercially available TEGO410, TEGO450 type product.
Wherein, the thickener is preferably at least one in polyethers thickener, polyether-modified polyurethanes thickener.
During concrete application, polyethers thickener can be produced using the modest R299 models of the RM-2050D type products of ROHM AND HAAS or Shanghai moral
Product, polyether-modified polyurethanes thickener can use Hefei peace section HEUR-D type products.
Preferably, 1~5 part of cosolvent is also included in the film-forming components, the cosolvent is selected from dipropylene, two
At least one in propylene glycol monomethyl ether, propane diols.Such cosolvent contributes to the dissolving of auxiliary agent to disperse, while can also assign wet film
Well the extension open hour, contribute to film forming.
Preferably, the film-forming components also include 1-5 parts of grinding auxiliary agent, and grinding auxiliary agent can effectively improve beating for coating
Mill performance, grinding auxiliary agent excessive addition is easily caused film clarity decline.During concrete application, grinding auxiliary agent can use Shenzhen Hai Chuan
The 1097A type products of company.Preferably, also include pH adjusting agent in the film-forming components, the consumption of the pH adjusting agent with
Adjust the pH value of the clear priming paint and be advisable to 7~9.Control product pH value contribute to product storing process 7~9 in stabilization
Property, coating is difficult to be layered, precipitated, it is to avoid to occur returning the phenomenons such as thick, precipitation.The pH adjusting agent may be selected to commonly use class in priming paint
(molecular structure is 2- amino -2- first to the AMP-95 type products of the small hydramine of type, preferably smell, such as U.S. ANGUS companies
Base -1- propyl alcohol).
Preferably, 0.2-0.5 parts of bactericide is also included in the film-forming components.The bactericide is selected from without N-/O- contractings
In CMI (aqueous chlormethylisothiazo,ine ketone), MI (aqueous dimethylformamide OIT), the bronocot of formaldehyde at least one
Kind.For example, the type products of Parmetol A 28 of Shu Mei companies of Germany can be used, (its main component is CMI/MI and bromine nitro
Propylene glycol mixture), or Parmetol K20 type products (its main component is CMI/MI mixtures), or ROHM AND HAAS
LXE bactericide, or Britain's Shu Er MV bactericide.Present invention preferably employs MV bactericide.
Invention also provides the preparation method of the film-forming components：In hydrotropism's acrylic acid modified polyurethane dispersion
Add part water, be subsequently adding pH adjusting agent regulation solution pH value to 7-9, will finally be pre-mixed uniform surfactant,
Defoamer and levelling agent (or further adding cosolvent) are added thereto, and after stirring, add polishing to help under stirring
Agent, remaining water and thickener, stir.
Wherein, the part water refers to accounting for the water of total Water 20-50%.
It is a further object of the present invention to provide above-mentioned any one clear priming paint of aqueous dual-component quick-drying in solid wood furniture or plate
Application in formula furniture application.
In construction, directly using method well known in the art, film-forming components, curing agent are mixed according to the ratio of regulation
Afterwards, it is sprayed on coated article body.When necessary, can be to adding water in mixed product adjusting viscosity, it is ensured that
Spraying can be smoothed out.
The unit of weights such as μ g, mg, g, kg that " weight portion " of the present invention is known in the art, or be its multiple, such as
1/100,1/10,10 times, 100 times etc..
Raw material of the present invention is known product, commercially available acquisition.
Present invention employs the aqueous acrylic modified dispersions of polyurethanes of environmental protection, with water as primary solvent, green
Environmental protection, and with curing agent coordinate after pot-life it is long；With hydrophilic aliphatic PIC as curing agent, the type curing agent
With hydrophilic good, the good hand property stirred, easy emulsification, quick-drying, hardness climb block the features such as, be applied in combination with film-forming components and be aided with other again
Auxiliary agent, the consistency of paint film is high after construction, and hardness is high, and chemical-resistant is good, and with excellent adhesive force, is highly suitable for plate
The application of formula furniture or solid wood furniture.Meanwhile, the product is Green Product, does not produce injury to workmen.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
A kind of clear priming paint of aqueous dual-component quick-drying, is 100 by weight ratio:3 film-forming components and curing agent are mixed, its
In,
Film-forming components are：
Curing agent is：Hydrophilic aliphatic PIC 2655 based on HDI
The embodiment provides the preparation method of above-mentioned film-forming components simultaneously：First by the aqueous acrylic modified polyurethane of 8kg
Dispersion 2745,0.5kg water, 0.02kg pH adjusting agents AMP95 add dispersion cup in, adjust pH value 8-8.5, then successively to
Added in dispersion cup 0.1kg dipropylene DPNB, 0.2kg dipropylene glycol methyl ether DPM, 0.05kg defoamers BYK024,
0.05kg surfactant 104E, 0.05kg acrylate levelling agent PW336, are stirring evenly and then adding into 0.3kg grinding auxiliary agents
1097A, 0.05kg thickener R299, disperse 15 minutes, ultimately join 0.68kg water and stir, and obtain final product.
Embodiment 2
A kind of clear priming paint of aqueous dual-component quick-drying, is 100 by weight ratio:3 film-forming components and curing agent are mixed, its
In,
Film-forming components are：
Curing agent：Hydrophilic aliphatic PIC 2655 based on HDI
The embodiment provides the preparation method of above-mentioned film-forming components simultaneously, and the preparation method of film-forming components is with embodiment 1
It is similar, adjust the addition of each component.
Embodiment 3
A kind of clear priming paint of aqueous dual-component quick-drying, is 100 by weight ratio:3 film-forming components and curing agent are mixed, its
In,
Film-forming components are：
Curing agent：Hydrophilic aliphatic PIC 2655 based on HDI
Wherein, described " levelling agent PW336 (50%) " refers to be used after one times of PW336 dilute with waters.
The embodiment provides the preparation method of above-mentioned film-forming components simultaneously, and the preparation method of film-forming components is with embodiment 1
It is similar, adjust the addition of each component.
Comparative example 1
One-component is from dry transparent priming
Test example 1
Subjects：The aqueous dual-component quick-drying primer of embodiment 1-2, the product of comparative example 1
Test method：Film-forming components and curing agent after mixing and stirring, are diluted with water to working viscosity in proportion, add water
Proportioning 10-20%, specific viscosity is with construction condition and coating equipment as reference.After stirring, 10-15 points of curing is stood
Filtered after clock, woodenware is constructed.
Result of the test is as shown in table 1：
Table 1：Embodiment 1-2, the priming paint construction results of comparative example 1
| Detection project | Embodiment 1 | Embodiment 2 | Comparative example 1 | Standard |
| Surface drying | 0.5 hour | 0.5 hour | 0.5 hour | GB/T1728-1989 |
| Do solid work 50 DEG C | 2 hours | 2 hours | 2 hours | GB/T1728-1989 |
| Punching press intensity | 5kg·cm | 8kg·cm | 8.5kg·cm | GB/T1732-1993 |
| Adhesive force | 0 grade | 0 grade | 1 grade | GB/T1720-1989 |
| Grinability | Easily polishing | Easily polishing | Slight scab paper |
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of clear priming paint of aqueous dual-component quick-drying, it is characterised in that：It is 100 by weight ratio:Film-forming components of (3~5) and solid
Agent is mixed；Wherein, by weight, 75-85 parts of aqueous acrylic modified poly- ammonia is contained in every 100 parts of film-forming components
Ester dispersion；Curing agent is hydrophilic aliphatic PIC.
2. the clear priming paint of aqueous dual-component quick-drying according to claim 1, it is characterised in that：The hydrophilic aliphatic gathers different
Cyanate is the PIC based on hexamethylene diisocyanate.
3. the clear priming paint of aqueous dual-component quick-drying according to claim 1 and 2, it is characterised in that：In every 100 parts of film-forming components
Also include 0.2-0.5 parts of defoamer, 0.5-0.8 parts of surfactant, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickening
Agent, 10-18 parts of water.
4. the clear priming paint of aqueous dual-component quick-drying according to claim 1 and 2, it is characterised in that：The film-forming components include
Following component：
5. the clear priming paint of aqueous dual-component quick-drying according to claim 1 or 4, it is characterised in that：The defoamer is selected to be had
At least one in the defoamer of machine silicon class defoamer, the hydrophobic solid without organosilicon and brokenly bubble polymer；And/or, institute
Surfactant is stated for ion or nonionic surface active agent, preferably nonionic acetylenic glycols surfactant；And/or,
The levelling agent is selected from least one in esters of acrylic acid levelling agent, polysiloxane-based levelling agent；And/or, the thickener
Selected from least one in polyethers thickener, polyurethanes thickener.
6. the clear priming paint of aqueous dual-component quick-drying according to claim 4 or 5, it is characterised in that：In the film-forming components also
Including 1~5 part of cosolvent, the cosolvent is selected from least one in dipropylene, dipropylene glycol methyl ether, propane diols.
7. the clear priming paint of aqueous dual-component quick-drying according to claim 5, it is characterised in that：Also include that 1-5 parts of polishing is helped
Agent.
It is 8. according to claim 5 to wash the clear priming paint of bi-component quick-drying, it is characterised in that：Also include in the film-forming components
PH adjusting agent, the consumption of the pH adjusting agent is advisable to 7~9 with adjusting the pH value of the clear priming paint.
9. the clear priming paint of aqueous dual-component quick-drying according to claim 5 or 7 or 8, it is characterised in that：In the film-forming components
Also include 0.2~0.5 part of bactericide；Preferably, the bactericide is selected from the aqueous chloromethyl isothiazole without N-/O- formals
At least one in quinoline ketone, aqueous dimethylformamide OIT, bronocot.
10. the clear priming paint of aqueous dual-component quick-drying described in claim 1-9 any one is in solid wood furniture or plate fitment application
In application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229884.3A CN106752874A (en) | 2016-12-27 | 2016-12-27 | A kind of clear priming paint of aqueous dual-component quick-drying and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229884.3A CN106752874A (en) | 2016-12-27 | 2016-12-27 | A kind of clear priming paint of aqueous dual-component quick-drying and its application |
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| CN106752874A true CN106752874A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611229884.3A Pending CN106752874A (en) | 2016-12-27 | 2016-12-27 | A kind of clear priming paint of aqueous dual-component quick-drying and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705721A (en) * | 2017-10-25 | 2019-05-03 | 江苏凤凰木业有限公司 | A kind of clear priming paint of Solid Door quick-drying |
| CN111944416A (en) * | 2020-09-07 | 2020-11-17 | 衡东欧慕定制家私有限公司 | Water-based transparent woodenware coating |
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| CN104231911A (en) * | 2014-10-20 | 2014-12-24 | 山西华豹涂料有限公司 | Water-soluble paint for railway export wagon |
| CN105295597A (en) * | 2015-07-02 | 2016-02-03 | 江苏足迹涂料有限公司 | Water-borne automobile polyurethane varnish and preparation method thereof |
| CN105505167A (en) * | 2015-12-25 | 2016-04-20 | 北京展辰新材料有限公司 | Waterborne bi-component bright white finish and application thereof |
| CN106047075A (en) * | 2016-07-19 | 2016-10-26 | 成都拜迪新材料有限公司 | Preparation method of water-based priming paint, intermediate paint, finishing paint and varnish applied to 25 type passenger car |
-
2016
- 2016-12-27 CN CN201611229884.3A patent/CN106752874A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231911A (en) * | 2014-10-20 | 2014-12-24 | 山西华豹涂料有限公司 | Water-soluble paint for railway export wagon |
| CN105295597A (en) * | 2015-07-02 | 2016-02-03 | 江苏足迹涂料有限公司 | Water-borne automobile polyurethane varnish and preparation method thereof |
| CN105505167A (en) * | 2015-12-25 | 2016-04-20 | 北京展辰新材料有限公司 | Waterborne bi-component bright white finish and application thereof |
| CN106047075A (en) * | 2016-07-19 | 2016-10-26 | 成都拜迪新材料有限公司 | Preparation method of water-based priming paint, intermediate paint, finishing paint and varnish applied to 25 type passenger car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705721A (en) * | 2017-10-25 | 2019-05-03 | 江苏凤凰木业有限公司 | A kind of clear priming paint of Solid Door quick-drying |
| CN111944416A (en) * | 2020-09-07 | 2020-11-17 | 衡东欧慕定制家私有限公司 | Water-based transparent woodenware coating |
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