CN107586497A - A kind of water-based blank coating and preparation method thereof - Google Patents
A kind of water-based blank coating and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of water-based blank coating and preparation method thereof, and the blank coating includes component A and component B, and the composition of the component A includes in parts by weight：60~80 parts of water-based emulsion, 3~6 parts of film forming agent, 0.1~0.5 part of pH regulators, 1.5~3 parts of auxiliary agent, 16~20 parts of water, component B are 12~20 parts of silane coupler.The blank coating cost is low, pot-life length, easy for construction, and anti-scribble, resistance to powder pollute, can allow to receive water-based watercolor pencil, white board marker scribbling on paint film simultaneously after film forming.
Description
Technical field
The invention belongs to paint field, is related to a kind of water-based blank coating.
Background technology
The green concept such as " with no paper ", " dustlessization ", " environmental protection ", " health " is progressed into people's life.Blank and
White board marker arises at the historic moment, and instead of traditional blackboard for education, blank, avoid dust pollution that blackboard brings with chalk-writing and
Save paper.But blank needs customized suitable dimension, and enough spaces are reserved to put, this brings not to the life of people
Just.Therefore, complying with for blank coating and life annotated these problems just.People can according to the hobby and demand of oneself,
(metope, wood surface etc.) brushes blank coating and common substrate is made into the base material with blank effect on opposed flattened base material.
The A of CN 106349875 disclose a kind of blank powdery paints and preparation method thereof, use epoxy-acrylic -ol acid
System, sprayed in the form of powdery paints, blank is made.Shortcoming：Powdery paints making sheet temperature needs to be higher than 160 DEG C, needs
Want Large-scale professional mechanical, can not DIY.The A of CN 101979449 disclose a kind of ultraviolet curing coating for white board：Use propylene
Acid monomers are raw material, by photocuring film forming, obtain the coating with high-hardness, wearable.Shortcoming：Need Large-scale professional mechanical,
Can not DIY.The A of CN 103497602 disclose a kind of doodling prevention powder coating：Using polyurethane as the anti-graffiti painting of the powder of principle
Material, polyurethane include acrylic acid and isocyanates, and type is powdery paints.Shortcoming：Need Large-scale professional mechanical.And isocyanates
Human body and environment are harmful to.The A of CN 102876150 disclose a kind of anti-graffiti water paint of the anti-stick patch of high durable and its preparation,
Based on hydroxyl fluorine carbon emulsion and anti-graffiti resin, isocyanates is curing agent, prepares water paint.Shortcoming：Hydroxyl
Fluorine carbon emulsion and anti-graffiti resin need high speed dispersion agent when mixing, can not DIY, and isocyanates is harmful to human body and environment.
The A of CN 104448992 disclose a kind of anti-scribble water paint and preparation method thereof：With acrylate, hydroxy ethyl methacrylate
For main body, isocyanates is curing agent, and water-based anti-graffiti coating is made.Shortcoming：Isocyanates is harmful to human body and environment.CN
103965724 A disclose a kind of weather-proof finish compositions easy to clean：Using pure-acrylic emulsion as film forming matter, CNT and nanometer two
Silica is effective body.Shortcoming：It is easy to clean, but be not directed to scribble and eliminated with scribble.The A of CN 103045045 disclose a kind of water
Property whiteboard paint：Water-based whiteboard paint using epoxy resin and amine curing agent as film forming matter.Shortcoming：And non-real water-based, institute
It is that oiliness dissipates, it is necessary to heat moisture with epoxy resin, and then the less stable of the part can be caused.
In summary, blank coating mainly has following three kinds of systems at present：1) polyurethane system：The overwhelming majority uses at present
The blank paint for polyurethane system.Advantage：Consistency is high.Shortcoming：Pot-life is short, isocyanates have to human body and environment compared with
Big harm；2) epoxy amino system：Less use.Advantage：Consistency is high, and cost is relatively low.Shortcoming：Amine curing agent taste pierces
Nose, and epoxy is mostly the oiliness small molecule epoxy emulsified, long-term use of easily jaundice；3) amino silicane coupling agent/epoxy matrix
System：Double cross-linking systems.Advantage：Consistency is high.Shortcoming：Resistance to powder contaminative is poor, and cost is higher.
In view of at present product on the market have the shortcomings that it is expensive, not environmentally, smell is larger, blank effect difference.This
Invention develops a kind of water-based blank coating, has advantages below：DIY is convenient, low smell, low voc, resistance to scribble superior performance,
The pollutant performance of resistance to powder is superior, is used for multiple times after being wiped with paper handkerchief or water.
The content of the invention
For technical problem present in prior art, the present invention provides a kind of water-based blank coating and preparation method thereof,
The blank coating cost is low, pot-life length, easy for construction, and anti-scribble, resistance to powder pollute, can allow to receive simultaneously after film forming
Water-based watercolor pencil, white board marker scribbling on paint film.
For the above-mentioned purpose, the present invention uses following technical scheme：
It is an object of the present invention to provide a kind of water-based blank coating, the blank coating includes component A and component B,
The composition of the component A includes in parts by weight：
Component B is 12~20 parts of silane coupler.
Wherein, the mass parts of water-based emulsion can be 60 parts, 62 parts, 65 parts, 68 parts, 70 parts, 72 parts, 75 parts, 78 parts or
80 parts etc., the mass parts of film forming agent can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts or 6 parts etc., the matter of pH regulators
It can be 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part or 0.5 part etc. to measure part, auxiliary agent
Mass parts can be 1.5 parts, 1.6 parts, 1.8 parts, 2 parts, 2.2 parts, 2.5 parts, 2.8 parts or 3 parts etc., and the mass parts of water can be 16
Part, 17 parts, 18 parts, 19 parts or 20 parts etc., the mass parts of silane coupler can be 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17
Part, 18 parts, 19 parts or 20 parts etc., it is not limited to cited numerical value, other unrequited numbers in above-mentioned each number range
It is worth equally applicable.
As currently preferred technical scheme, the water-based emulsion include acrylic amide modified acrylic emulsion and/
Or the acrylic emulsion that Methacrylamide is modified.
Emulsion types are most important to the performance impact of blank coating provided by the invention, acrylic amide modified propylene yogurt
In liquid, acid amides can with epoxy reaction, can also amino dissolve each other, improve the consistency of paint film, therefore the silane of epoxy and amino is even
Connection agent has preferable effect, and the effect of wherein epoxy is more preferable, because may have occurred chemical reaction.
As currently preferred technical scheme, the film forming agent includes alcohols film forming agent, alkoxide film forming agent, alcohol ethers
The combination of any one or at least two pairs in film forming agent or alcohol ether esters film forming agent, the combination is typical but non-limiting reality
Example has：The combination of alcohols film forming agent and alkoxide film forming agent, the combination of alkoxide film forming agent and alcohol ethers film forming agent, alcohol ethers into
The combination of film and alcohol ether esters film forming agent, the combination of alcohol ether esters film forming agent and alcohols film forming agent or alcohols film forming agent, alcohol ester
The combination of class film forming agent and alcohol ethers film forming agent.
Preferably, the alcohols film forming agent includes any one in phenmethylol, benzyl carbinol or terephthalyl alcohol or at least two
The combination of kind, the combination is typical but non-limiting examples have：Combination, benzyl carbinol and the terephthalyl alcohol of phenmethylol and benzyl carbinol
Combination, the combination or phenmethylol of terephthalyl alcohol and phenmethylol, the combination of benzyl carbinol and terephthalyl alcohol etc..
Preferably, the alkoxide film forming agent includes any one in Lauryl Alcohol ester, 16 carbon alcohol esters or octadecanol ester
Kind or at least two combination, the combination is typical but non-limiting examples have：The combination of Lauryl Alcohol ester and 16 carbon alcohol esters,
The combination of 16 carbon alcohol esters and octadecanol ester, the combination of octadecanol ester and Lauryl Alcohol ester or Lauryl Alcohol ester, 16 carbon
Combination of alcohol ester and octadecanol ester etc..
Preferably, the alcohol ethers film forming agent includes butyl glycol ether and/or propane diols phenylate.
Preferably, the ether-ether class film forming agent includes 2-Butoxyethyl acetate, butanediol monobutyl ether acetate or hexylene glycol
Any one in monobutyl ether acetate or at least two combination, the combination is typical but non-limiting examples have：Butyl glycol ether
The combination of acetate and butanediol monobutyl ether acetate, the combining of butanediol monobutyl ether acetate and hexylene glycol monobutyl ether acetate, oneself two
The combination of alcohol monobutyl ether acetate and 2-Butoxyethyl acetate or 2-Butoxyethyl acetate, butanediol monobutyl ether acetate and oneself two
Combination of alcohol monobutyl ether acetate etc..
As currently preferred technical scheme, the pH regulators are amine PH regulators.
Wherein, the amine PH regulators include ammoniacal liquor and/or DMEA etc..
As currently preferred technical scheme, the auxiliary agent includes defoamer, rheological agent, wetting agent and bactericide.
As currently preferred technical scheme, the defoamer includes machine silicon class defoamer, mineral oil defoaming agent, dredged
One kind or at least two combinations in aqueous particles class defoamer or polymer-like antifoams.
Preferably, the rheological agent includes aqueous polyurethane type rheological agent, alkali swelling type rheological agent or cellulose type rheology
Any one in agent or at least two combinations.
Preferably, the wetting agent includes organic silicon modified by polyether, polyether-modified dimethyl silicone polymer, ionic propylene
Any one in sour EVA, alkoxy alcohol ester or organically-modified dimethyl silicone polymer or at least two combination.
Preferably, the bactericide includes Kathon CG series bactericidal agent.
As currently preferred technical scheme, the mass parts of the defoamer are 0.2~0.4 part, such as 0.2 part, 0.22
Part, 0.25 part, 0.28 part, 0.3 part, 0.32 part, 0.35 part, 0.38 part or 0.4 part etc., it is not limited to cited number
Value, other interior unrequited numerical value of the number range are equally applicable.
Preferably, the mass parts of the rheological agent be 0.2~1 part, such as 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part,
0.7 part, 0.8 part, 0.9 part or 1 part etc., it is not limited to cited numerical value, other interior unrequited numbers of the number range
It is worth equally applicable.
Preferably, the mass parts of the wetting agent be 0.2~0.5 part, such as 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4
Part, 0.45 part or 0.5 part etc., it is not limited to cited numerical value, other unrequited numerical value are same in the number range
It is applicable.
Preferably, the mass parts of the bactericide be 0.2~0.5 part, such as 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4
Part, 0.45 part or 0.5 part etc., it is not limited to cited numerical value, other unrequited numerical value are same in the number range
It is applicable.
As currently preferred technical scheme, the structure of the silane coupler is shown in formula I：
Wherein, R includes epoxy silane coupling or amino silicane coupling agent, and R' includes methyl or ethyl, n be more than etc.
In 0 integer.
Wherein, n can be 1,2,3,4,5,6,7,8,9,10,12,14,16,18 or 20 etc., it is not limited to cited
Numerical value, other unrequited numerical value are equally applicable in the number range.
Different silane couplers have a great influence to paint film property.The silane coupler of wherein epoxy is odor profiles minimum, and
With preferable resistance to scribble and resistance to soiling, next to that amino silicane coupling agent.The silane coupler of ethyoxyl is slow compared with methoxyl group, therefore
In same curing time, film-formation result is not so good as methoxyl group.
The dosage of silane coupler influences the performance of paint film.With the increase of dosage, resistance to scribble and resistance to soiling make moderate progress,
Smell sexually revises less.Because epoxy silane coupling taste itself is weak, and but if being amine silane coupler, smell
Property then can substantially rise.The principle of this patent is to make silane coupler organic group well compatible with emulsion while silane coupled
Agent hydrolysis self condenses, and to reach the external crosslinking effect of enhancing emulsion, therefore the optimum amount of silane coupler has optimum range.
The two of the object of the invention are to provide a kind of preparation method of water-based blank coating, it is characterised in that methods described
Comprise the following steps：
(1) water, defoamer, pH regulators are mixed with water-based emulsion and disperseed, addition rheological agent, which continues mixing, to be disperseed, afterwards
Coalescents are added, are uniformly dispersed, wetting agent is added and continues to mix, component A is obtained after adding defoamer and water mixing；
(2) the component A that step (1) obtains is mixed with component B, stands, obtain the water-based blank coating.
As currently preferred technical scheme, step (1) mixing is carried out under agitation.
Preferably, the rotating speed of the stirring is 800~1200rpm, as 800rpm, 850rpm, 900rpm, 950rpm,
1000rpm, 1050rpm, 1100rpm, 1150rpm or 1200rpm etc., it is not limited to cited numerical value, the numerical value model
Other unrequited numerical value are equally applicable in enclosing.
Preferably, it is 5~15min that step (1) defoamer, pH regulators, which mix the scattered time with water-based emulsion,
Such as 5min, 6min, 7min, 8min, 9min, 10min, 11min, 12min, 13min, 14min or 15min, but simultaneously not only limit
It is equally applicable in other unrequited numerical value in cited numerical value, the number range.
Preferably, step (1) it is described to add rheological agent to continue the mixing scattered time be 10~15min, as 10min,
10.5min, 11min, 11.5min, 12min, 12.5min, 13min, 13.5min, 14min, 14.5min or 15min etc., but simultaneously
Cited numerical value is not limited only to, other unrequited numerical value are equally applicable in the number range.
Preferably, step (1) it is described add wetting agent continue mixing time be 3~6min, as 3min, 3.5min,
4min, 4.5min, 5min, 5.5min or 6min etc., it is not limited to cited numerical value, interior other of the number range do not arrange
The numerical value of act is equally applicable.
Preferably, step (1) time for adding defoamer mixing is 5~15min, as 5min, 6min, 7min,
8min, 9min, 10min, 11min, 12min, 13min, 14min or 15min etc., it is not limited to cited numerical value, should
Other unrequited numerical value are equally applicable in number range.
Preferably, step (2) described hybrid mode is hand operated mixing, and incorporation time is 10min~20min, as 10min,
11min, 12min, 13min, 14min, 15min, 16min, 17min, 18min, 19min or 20min etc., it is not limited to institute
The numerical value enumerated, other interior unrequited numerical value of the number range are equally applicable.
Preferably, the time of step (2) described standing is 10~15min, as 10min, 10.5min, 11min,
11.5min, 12min, 12.5min, 13min, 13.5min, 14min, 14.5min or 15min etc., it is not limited to cited
Numerical value, other unrequited numerical value are equally applicable in the number range.
Compared with prior art, the present invention at least has the advantages that：
(1) present invention provides a kind of water-based blank coating, and resistance to scribble after the blank coating film forming, resistance to powder pollution can
To allow to receive water-based watercolor pencil, white board marker scribbling on paint film；
(2) present invention provides a kind of water-based blank coating, and the blank coating cost is low, pot-life length, easy for construction；
(3) present invention provides a kind of preparation method of water-based blank coating, and the preparation method technique is simple, suitable for work
Industry metaplasia is produced.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in understanding the present invention, is not construed as the concrete restriction to the present invention.
The formula composition of specific embodiment is as shown in table 1, and the unit of each component is g.
Table 1
Embodiment 8
A kind of water-based blank coating, except silane coupler dosage is 12 in the blank coating, other conditions with reality
It is identical to apply example 5.
Embodiment 9
A kind of water-based blank coating, except silane coupler dosage is 16 in the blank coating, other and the phase of embodiment 5
Together.
Embodiment 10
A kind of water-based blank coating, except silane coupler dosage is 20 in the blank coating.Other and the phase of embodiment 5
Together.
Embodiment 11
The preparation method of water-based blank coating, the described method comprises the following steps described in a kind of embodiment 5：
(1) water, defoamer, pH regulators are mixed into scattered 15min with water-based emulsion at 800 rpm, add rheological agent after
Scattered 15min is mixed under continuous 800rpm, coalescents is added afterwards, is uniformly dispersed, wetting agent is added and continues to mix 6min, add
Component A is obtained after defoamer and water mixing 15min；
(2) by the component A that step (1) obtains and component B mixing 20min, 15min is stood, the water-based blank is obtained and applies
Material.
Embodiment 12
The preparation method of water-based blank coating, the described method comprises the following steps described in a kind of embodiment 5：
(1) water, defoamer, pH regulators are mixed under 1200rpm to scattered 5min with water-based emulsion, add rheological agent after
Scattered 10min is mixed under continuous 1200rpm, coalescents is added afterwards, is uniformly dispersed, wetting agent is added and continues to mix 3min, mend
Component A is obtained after adding defoamer and water mixing 5min；
(2) by the component A that step (1) obtains and component B mixing 10min, 10min is stood, the water-based blank is obtained and applies
Material.
Embodiment 13
The preparation method of water-based blank coating, the described method comprises the following steps described in a kind of embodiment 5：
(1) water, defoamer, pH regulators are mixed into scattered 10min with water-based emulsion under 1000rpm, adds rheological agent
Continue to mix scattered 12min under 1000rpm, add coalescents afterwards, be uniformly dispersed, add wetting agent and continue to mix 5min,
Component A is obtained after adding defoamer and water mixing 10min；
(2) by the component A that step (1) obtains and component B mixing 15min, 12min is stood, the water-based blank is obtained and applies
Material.
Comparative example 1
A kind of water-based blank coating, except coalescents dosage is 2 in the blank coating, other are same as Example 1.
Comparative example 2
A kind of water-based blank coating, except coalescents dosage is 8 in the blank coating, other are same as Example 1.
Comparative example 3
A kind of water-based blank coating, except silane coupler is trimethoxyvinyl silane coupling in the blank coating
Agent, other are same as Example 2.
Comparative example 4
A kind of water-based blank coating, except silane coupler dosage is 10 in the blank coating, other and the phase of embodiment 5
Together.
Comparative example 5
A kind of water-based blank coating, except silane coupler dosage is 22 in the blank coating, other and the phase of embodiment 5
Together.
Comparative example 6
A kind of water-based blank coating, except acrylic emulsion is pure-acrylic emulsion in the blank coating, other and embodiment 5
It is identical.
Comparative example 7
A kind of water-based blank coating, except acrylic emulsion is hydroxyl pure-acrylic emulsion in the blank coating, other and reality
It is identical to apply example 5.
The formula preparation method of various embodiments above, using the manufacturing process of foregoing water-based blank coating.For this hair
Dependence test has been done in bright application, and performance test includes resistance to scribble, resistance to soiling, smell.The item total score that scores is 5 points, and 5 parts are preferably, 0
Part is worst.Specific evaluating standard is as follows：
Resistance to scribble：
5 points：White board marker and water-based watercolor pencil can be wiped easily with dried towel to leave no trace
4 points：The wiping that can be exerted oneself with dried towel of white board marker and water-based watercolor pencil leaves no trace
3 points：White board marker and water-based watercolor pencil can be wiped easily with hygenic towelette to leave no trace
2 points：The wiping that can be exerted oneself with hygenic towelette of white board marker and water-based watercolor pencil leaves no trace
1 point：White board marker and water-based watercolor pencil can be wiped easily with ethanol to leave no trace
0 point：White board marker and water-based watercolor pencil can not wiped cleans
Resistance to soiling：
5 points：Carbon powder can easily be wiped with dried towel and left no trace
4 points：The carbon powder wiping that can be exerted oneself with dried towel leaves no trace
3 points：Carbon powder can firmly be wiped with dried towel, leave the vestige less than 10%
2 points：Carbon powder can be wiped with hygenic towelette and left no trace
1 point：Carbon powder can firmly be wiped with hygenic towelette, leave the vestige less than 10%
0 point：Carbon powder can not be wiped clean
Smell：
5 points：400ml jars, 200ml blank coating, the pleasant taste of the basic insipidness of can opening/allow people
4 points：400ml jars, 200ml blank coating, the extremely slight taste of can opening
3 points：400ml jars, 200ml blank coating, can opening is flavoursome, but can receive
2 points：400ml jars, 200ml blank coating, can opening have obvious taste
1 point：400ml jars, 200ml blank coating, can opening have pungent taste
0 point：400ml jars, 200ml blank coating, can opening have the taste that is persistently pungent
Embodiment 1-10 and comparative example 1-7 test result are as shown in table 2 and table 3：
Table 2
Table 3
| Performance | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | Comparative example 7 |
| Smell | 5 | 2 | 4 | 4 | 4 | 4 | 4 |
| Resistance to scribble | 1 | 4 | 1 | 2 | 3 | 0 | 0 |
| Resistance to soiling | 1 | 4 | 1 | 2 | 3 | 0 | 0 |
It is can be seen that from above test result data with the increase of coalescents dosage, odor profiles obvious variation, resistance to painting
Crow and resistance to soiling gradually increase, because coalescents taste itself is obvious, the film forming of paint film is improved after addition,
Compact in paint film degree is improved, and then improves resistance to scribble and resistance to soiling, but film forming, paint film relative can not become in itself due to coalescents
It is soft.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, selection of concrete mode etc., all fall within the present invention's
Within the scope of protection domain and disclosure.
Claims (10)
1. a kind of water-based blank coating, it is characterised in that the blank coating includes component A and component B, in parts by weight institute
Stating component A composition includes：
Component B is 12~20 parts of silane coupler.
2. blank coating according to claim 1, it is characterised in that the water-based emulsion includes acrylic amide modified third
The acrylic emulsion that olefin(e) acid emulsion and/or Methacrylamide are modified.
3. blank coating according to claim 1 or 2, it is characterised in that the film forming agent includes alcohols film forming agent, alcohol ester
In class film forming agent, alcohol ethers film forming agent or alcohol ether esters film forming agent any one or at least two combination；
Preferably, the alcohols film forming agent includes any one in phenmethylol, benzyl carbinol or terephthalyl alcohol or at least two
Combination；
Preferably, the alkoxide film forming agent include Lauryl Alcohol ester, 16 carbon alcohol esters or octadecanol ester in any one or
At least two combination；
Preferably, the alcohol ethers film forming agent includes butyl glycol ether and/or propane diols phenylate；
Preferably, the ether-ether class film forming agent includes 2-Butoxyethyl acetate, butanediol monobutyl ether acetate or hexylene glycol butyl ether
Any one in acetate or at least two combination.
4. according to the blank coating described in claim any one of 1-3, it is characterised in that the pH regulators adjust for amine PH
Agent.
5. according to the blank coating described in claim any one of 1-4, it is characterised in that the auxiliary agent includes defoamer, rheology
Agent, wetting agent and bactericide.
6. blank coating according to claim 5, it is characterised in that the defoamer includes organic silicon, mineral oil, dredged
Aqueous particles, one kind in polymerization species or at least two kinds of combinations；
Preferably, the rheological agent is included in aqueous polyurethane type rheological agent, alkali swelling type rheological agent or cellulose type rheological agent
Any one or at least two combination；
Preferably, it is common to include organic silicon modified by polyether, polyether-modified dimethyl silicone polymer, ionic acrylic for the wetting agent
Any one in aggressiveness, alkoxy alcohol ester or organically-modified dimethyl silicone polymer or at least two combination；
Preferably, the bactericide includes Kathon CG series bactericidal agent.
7. the blank coating according to claim 5 or 6, it is characterised in that the mass parts of the defoamer are 0.2~0.4
Part；
Preferably, the mass parts of the rheological agent are 0.2~1 part；
Preferably, the mass parts of the wetting agent are 0.2~0.5 part；
Preferably, the mass parts of the bactericide are 0.2~0.5 part.
8. according to the blank coating described in claim any one of 1-7, it is characterised in that the structure of the silane coupler such as formula
Shown in I：
Wherein, R includes epoxy silane coupling or amino silicane coupling agent, and R' includes methyl or ethyl, and n is more than or equal to 0
Integer.
9. the preparation method of any one of a kind of claim 5-8 water-based blank coating, it is characterised in that methods described includes
Following steps：
(1) water, defoamer, pH regulators are mixed with water-based emulsion and disperseed, addition rheological agent, which continues mixing, to be disperseed, and is added afterwards
Coalescents, it is uniformly dispersed, adds wetting agent and continue to mix, component A is obtained after adding defoamer and water mixing；
(2) the component A that step (1) obtains is mixed with component B, stands, obtain the water-based blank coating.
10. preparation method according to claim 9, it is characterised in that step (1) mixing is entered under agitation
OK；
Preferably, the rotating speed of the stirring is 800~1200rpm；
Preferably, it is 5~15min that step (1) defoamer, pH regulators, which mix the scattered time with water-based emulsion,；
Preferably, described to add rheological agent to continue the mixing scattered time be 10~15min to step (1)；
Preferably, the time that step (1) the addition wetting agent continues mixing is 3~6min；
Preferably, step (1) time for adding defoamer mixing is 5~15min；
Preferably, the time of step (2) described mixing is 10~20min；
Preferably, the time of step (2) described standing is 10~15min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161288A (en) * | 2018-06-15 | 2019-01-08 | 南通科顺建筑新材料有限公司 | A kind of weather-proof sheet metal roofing waterproof coating material and preparation method thereof |
| CN113811287A (en) * | 2019-04-05 | 2021-12-17 | 艾默罗德卡拉玛化学品公司 | Low VOC multifunctional additives for improving aqueous polymer film properties |
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| JP2001064569A (en) * | 1999-06-24 | 2001-03-13 | Toyobo Co Ltd | Coating composition and surface-coating material |
| CN102127365A (en) * | 2011-01-26 | 2011-07-20 | 浙江交工高等级公路养护有限公司 | Hydrophobic coating capable of lowering adhesion of ice layers for asphalt pavements |
| CN105254798A (en) * | 2015-10-17 | 2016-01-20 | 佛山市顺德区巴德富实业有限公司 | Inner-wall stain-resistant pure acrylic emulsion |
| CN106700780A (en) * | 2016-12-23 | 2017-05-24 | 珠海市立州涂料有限公司 | Scratch-resistant erasable whiteboard water-based paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109161288A (en) * | 2018-06-15 | 2019-01-08 | 南通科顺建筑新材料有限公司 | A kind of weather-proof sheet metal roofing waterproof coating material and preparation method thereof |
| CN113811287A (en) * | 2019-04-05 | 2021-12-17 | 艾默罗德卡拉玛化学品公司 | Low VOC multifunctional additives for improving aqueous polymer film properties |
| CN113811287B (en) * | 2019-04-05 | 2023-11-17 | 朗盛公司 | Low VOC multi-functional additives for improving waterborne polymer film properties |
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