CN106118317B - High-strength weathering paint and its preparation process - Google Patents
High-strength weathering paint and its preparation process Download PDFInfo
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- CN106118317B CN106118317B CN201610530014.3A CN201610530014A CN106118317B CN 106118317 B CN106118317 B CN 106118317B CN 201610530014 A CN201610530014 A CN 201610530014A CN 106118317 B CN106118317 B CN 106118317B
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of high-strength weathering paint and its preparation processes, and in terms of mass fraction, raw material includes：25 35 parts of water-based emulsion, 15 25 parts of rutile titanium white powder, 20 35 parts of high-purity silicon dioxide powder, 15 20 parts of water, 25 parts of hydroxyethyl cellulose, 37 parts of ethylene glycol, 0.0001 0.0002 parts of dispersant, 0.0001 0.0002 parts of wetting agent, 0.0001 0.0002 parts of antifoaming agent, 0.0001 0.0002 parts of coalescents, 0.0001 0.0002 parts of pH adjusting agent, 0.0001 0.0002 parts of levelling agent, 0.0001 0.0002 parts of thickener.It is with stronger alkali resistance, hardness of paint film.
Description
Technical field
The present invention relates to exterior coating technical fields, more specifically, it relates to a kind of high-strength weathering paint and its preparation work
Skill.
Background technology
Coating, in the entitled paint of Chinese tradition.So-called coating be coated in the body surface being protected or decorated, and
The continuous film of firm attachment can be formed with coated article, typically based on resin or oil or lotion, add or do not add face
Material, filler add corresponding additive, the thick liquid being formulated with organic solvent or cobalt naphthenate.Decoration of exterior wall directly exposes
In the Nature, through wind-engaging, rain, solarization invasion, therefore require coating have it is water-fast, protect color, be anti-pollution, ageing-resistant and good attached
Put forth effort, while also having the characteristics that freeze-thaw resistance is good, film-forming temperature is low.Paint finishing can be fine with basis material in body surface
Bond and formed the material of complete and tough and tensile protective film, referred to as coating.Coating and paint are identical concepts.Paint is that people continue to use
Custom title for a long time just utilizes always in building trade after introducing China.The effect of coating may be summarized to be three aspects：
Protective effect, decoration function, specific function effect.The general composition of coating：Including film forming matter, color stuffing, solvent, auxiliary agent.
Chinese paint industry grows stronger day by day under the promotion of downstream industry, and as the building coating of one of branch,
Also significant progress has been obtained.Statistical data shows that Chinese architecture coating in 2011 amounts to about 351.82 ten thousand tons of yield, increases on year-on-year basis
Long 30% or more.It can be seen that although Chinese architecture paint industry experienced the influence of global financial crisis in 2008, former material
Material rise in price and Central Bank increase the interest the pressure brought, but its growth momentum does not subtract still, and also maintain higher growth rate.It builds
The constructing, dry of coating, conjunctiva are built, will be carried out under certain temperature and humidity, the conjunctiva performance of usual latex paint is
It is tested under the conditions of 23 ± 2 DEG C, relative humidity 60-70%.The usual minimum temperature of coating is that 5 DEG C of optimum temperature of are 10-
35 DEG C, construction humidity 60-70%.In addition, not construct under direct sunlight, especially summer, direct sunlight underlaying surface temperature
Can it is higher, moisture evaporation it is too fast and influence coating film forming it is bad.Wind should not also construct greatly, can accelerate the evaporation process of moisture, and
And coating becomes easily infected by dust.
Exterior coating, be for brush build outside wall, so a most important index be exactly acid rain resistance, it is resistance to
Alkalinity and have sufficiently strong hardness.Therefore a kind of exterior wall painting with acid rain resistance, alkali resistance and hardness of paint film is designed
Material is necessary.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of high-strength weathering paint, have relatively strong
Acid rain resistance, alkali resistance and hardness of paint film.
To achieve the above object, the present invention provides following technical solutions：
A kind of high-strength weathering paint, in terms of mass fraction, raw material includes：25-35 parts of water-based emulsion, rutile titanium white powder
15-25 parts, 20-35 parts of high-purity silicon dioxide powder, 15-20 parts of water, 2-5 parts of hydroxyethyl cellulose, 3-7 parts of ethylene glycol, point
0.0001-0.0002 parts of powder, 0.0001-0.0002 parts of wetting agent, 0.0001-0.0002 parts of antifoaming agent, coalescents
0.0001-0.0002 parts, 0.0001-0.0002 parts of pH adjusting agent, 0.0001-0.0002 parts of levelling agent, thickener 0.0001-
0.0002 part.
Preferably, the water-based emulsion is by acryl hard monomer, the soft monomer of acrylic acid, acrylic acid work(to the present invention
Energy property monomer and water carry out polymerisation in 60Coy field of radiation by a certain percentage and are made；Wherein, amount of radiation 9KGy, dosage is not
Degree is less than 1.2；The acryl hard monomer is methacrylic acid, and the soft monomer of acrylic acid is butyl acrylate, institute
It is itaconic acid and N hydroxymethyl acrylamide to state acrylic functional monomers；The methacrylic acid, butyl acrylate, clothing health
The mass ratio of acid, N hydroxymethyl acrylamide and water is 1.5-2：2-2.7：0.6-0.9：4-5：1.
Preferably, the pH adjusting agent is 2-amino-2-methyl-1-propanol to the present invention.
Preferably, the structural formula of the dispersant is the present invention
Preferably, the structural formula of the wetting agent is the present invention
Another object of the present invention is to provide the preparation processes of high-strength weathering paint described above.
To achieve the above object, the present invention provides following technical solutions：
A kind of preparation process of high-strength weathering paint, includes the following steps：
Step1：Water is first added in stirred tank, under conditions of rotating speed is 500-600r/min, sequentially adds dispersant, profit
Humectant, antifoaming agent and ethylene glycol；
Step2：Under conditions of rotating speed is 1100-1300r/min, hydroxyethyl cellulose is added, stirs 7-8min；Then
It is synchronous that titanium dioxide and high-purity silicon dioxide is added, stir 30-60min；
Step3：Rotating speed be 500-800r/min under conditions of sequentially add water-based emulsion, coalescents, pH adjusting agent,
Levelling agent, thickener obtain high-strength weathering paint.
Preferably, the interval time that dispersant in Step1, wetting agent, antifoaming agent and ethylene glycol are added is the present invention
5min。
Preferably, the rotating speed in Step1 is 500r/min to the present invention.
Preferably, the rotating speed in Step2 is 1200r/min to the present invention.
Preferably, the rotating speed in Step3 is 700r/min to the present invention.
Compared with prior art, the present invention has the advantages that：
(1) high-strength weathering paint of the present invention meets GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》It is excellent in standard
The technology of product requires, meets the technology requirement of acid rain resistance in HG/T4014-2009 (2015) standard, and with preferable alkaline-resisting
Property and pencil hardness.
(2) the high-strength weathering paint in the present invention also passes through《Watersoluble fluorine paint for building》、《Colored paint varnish liquid medium is surveyed
It is fixed》And《Paint and varnish pencil method measures hardness of paint film》Detection, it is possible thereby to be inferred to：High-strength weathering paint of the present invention
Service life will greatly prolong.The raising of hardness of paint film can effectively overcome exterior wall latex paint to influence the paint film longevity because film thickness is inadequate
The drawbacks of life, and then the perfect condition that painting quality improves instead in the case of reduction film thickness and reduction cost.
(3) heretofore described water-based emulsion has prodigious excellent relative to the aqueous acrylic emulsion of conventional commercial
Gesture.
(4) dispersant of the present invention, wetting agent and pH are adjusted to have the properties of the present invention and be mutually promoted
Effect, three is indispensable；And dispersant of the present invention, wetting agent and pH adjust the acid rain resistant to improving the present invention
Property, alkali resistance and pencil hardness have synergistic effect, three indispensable.
Specific implementation mode
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
In the embodiment of the present invention in addition to water-based emulsion, involved substance be it is commercially available, wherein antifoaming agent, coalescents,
Levelling agent and thickener are bought by Dow Chemical company.
Embodiment 1：High-strength weathering paint.
Its raw material includes：Water-based emulsion 25Kg, rutile titanium white powder 20Kg, high-purity silicon dioxide powder 20Kg, water
18Kg, hydroxyethyl cellulose 5Kg, ethylene glycol 5Kg, dispersant 0.00015Kg, wetting agent 0.0002Kg, antifoaming agent 0.0001Kg,
Coalescents 0.00015Kg, pH adjusting agent 0.0002Kg, levelling agent 0.00015Kg, thickener 0.0001Kg.
Wherein, the water-based emulsion is by acryl hard monomer, the soft monomer of acrylic acid, acrylic functional monomers and water
Polymerisation is carried out in 60Coy field of radiation by a certain percentage to be made；Wherein, amount of radiation 9KGy, dosage unevenness degree are less than 1.2；
The acryl hard monomer is methacrylic acid, and the soft monomer of acrylic acid is butyl acrylate, the acrylate functional
Property monomer be itaconic acid and N hydroxymethyl acrylamide；The methacrylic acid, butyl acrylate, itaconic acid, N- methylols third
The mass ratio of acrylamide and water is 1.5：2.5：0.9：4.5：1.
Its preparation process, includes the following steps：
Step1：Water is first added in stirred tank, under conditions of rotating speed is 500r/min, sequentially adds dispersant, wetting
Agent, antifoaming agent and ethylene glycol, the interval time that dispersant, wetting agent, antifoaming agent and ethylene glycol are added are 5min；
Step2：Under conditions of rotating speed is 1200r/min, hydroxyethyl cellulose is added, stirs 7-8min；Then it synchronizes
Titanium dioxide and high-purity silicon dioxide is added, stirs 30-60min；
Step3：Water-based emulsion, coalescents, pH adjusting agent, levelling are sequentially added under conditions of rotating speed is 700r/min
Agent, thickener obtain high-strength weathering paint.
Embodiment 2：Rotating speed in Step1 unlike embodiment 2 and embodiment 1 is 600r/min.
Embodiment 3：Rotating speed in Step2 unlike embodiment 3 and embodiment 1 is 1100r/min.
Embodiment 4：Rotating speed in Step2 unlike embodiment 4 and embodiment 1 is 1300r/min.
Embodiment 5：Rotating speed in Step3 unlike embodiment 5 and embodiment 1 is 500r/min.
Embodiment 6：Rotating speed in Step3 unlike embodiment 6 and embodiment 1 is 800r/min.
Embodiment 7：High-strength weathering paint.
Its raw material includes：Water-based emulsion 28Kg, rutile titanium white powder 15Kg, high-purity silicon dioxide powder 35Kg, water
20Kg, hydroxyethyl cellulose 2.5Kg, ethylene glycol 7Kg, dispersant 0.0001Kg, wetting agent 0.00015Kg, antifoaming agent
0.00015Kg, coalescents 0.0001Kg, pH adjusting agent 0.00015Kg, levelling agent 0.0001Kg, thickener 0.0002Kg.
Wherein, the water-based emulsion is by acryl hard monomer, the soft monomer of acrylic acid, acrylic functional monomers and water
Polymerisation is carried out in 60Coy field of radiation by a certain percentage to be made；Wherein, amount of radiation 9KGy, dosage unevenness degree are less than 1.2；
The acryl hard monomer is methacrylic acid, and the soft monomer of acrylic acid is butyl acrylate, the acrylate functional
Property monomer be itaconic acid and N hydroxymethyl acrylamide；The methacrylic acid, butyl acrylate, itaconic acid, N- methylols third
The mass ratio of acrylamide and water is 1.75：2：0.6：5：1.
Its preparation process, includes the following steps：
Step1：Water is first added in stirred tank, under conditions of rotating speed is 550r/min, sequentially adds dispersant, wetting
Agent, antifoaming agent and ethylene glycol, the interval time that dispersant, wetting agent, antifoaming agent and ethylene glycol are added are 5min；
Step2：Under conditions of rotating speed is 1100r/min, hydroxyethyl cellulose is added, stirs 7-8min；Then it synchronizes
Titanium dioxide and high-purity silicon dioxide is added, stirs 30-60min；
Step3：Water-based emulsion, coalescents, pH adjusting agent, levelling are sequentially added under conditions of rotating speed is 800r/min
Agent, thickener obtain high-strength weathering paint.
Embodiment 8：
Its raw material includes：Water-based emulsion 35Kg, rutile titanium white powder 25Kg, high-purity silicon dioxide powder 30Kg, water
15Kg, hydroxyethyl cellulose 2Kg, ethylene glycol 3Kg, dispersant 0.0002Kg, wetting agent 0.0001Kg, antifoaming agent 0.0002Kg,
Coalescents 0.0002Kg, pH adjusting agent 0.0001, levelling agent 0.0002Kg, thickener 0.00015Kg.
Wherein, the water-based emulsion is by acryl hard monomer, the soft monomer of acrylic acid, acrylic functional monomers and water
Polymerisation is carried out in 60Coy field of radiation by a certain percentage to be made；Wherein, amount of radiation 9KGy, dosage unevenness degree are less than 1.2；
The acryl hard monomer is methacrylic acid, and the soft monomer of acrylic acid is butyl acrylate, the acrylate functional
Property monomer be itaconic acid and N hydroxymethyl acrylamide；The methacrylic acid, butyl acrylate, itaconic acid, N- methylols third
The mass ratio of acrylamide and water is 2：2.7：0.75：4：1.
Its preparation process, includes the following steps：
Step1：Water is first added in stirred tank, under conditions of rotating speed is 600r/min, sequentially adds dispersant, wetting
Agent, antifoaming agent and ethylene glycol, the interval time that dispersant, wetting agent, antifoaming agent and ethylene glycol are added are 5min；
Step2：Under conditions of rotating speed is 1300r/min, hydroxyethyl cellulose is added, stirs 7-8min；Then it synchronizes
Titanium dioxide and high-purity silicon dioxide is added, stirs 30-60min；
Step3：Water-based emulsion, coalescents, pH adjusting agent, levelling are sequentially added under conditions of rotating speed is 500r/min
Agent, thickener obtain high-strength weathering paint.
According to GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》Standard to the full item index of embodiment 1-8 into
Performing check, inspection result are shown in Table 1.
Table 1
It can be obtained by table 1：Embodiment 1-8 meets GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》Mark
The technology requirement of high-class product in standard.
Respectively according to HG/T4014-2009 (2015) standard, GB/T9274-1988 standards and GB/T6739-2006 standards
Acid rain resistance, alkali resistance and the pencil hardness of embodiment 1-8, inspection result is examined to be shown in Table 2 respectively.
Table 2
It can be obtained by table 2：The inspection result of the acid rain resistance of embodiment 1-8 meets HG/T4014-2009 (2015)
The technology requirement of standard, and high-strength weathering paint of the present invention has preferable alkali resistance and pencil hardness.
In addition to this, the high-strength weathering paint of embodiment 1-8 also passes through in the present invention《Watersoluble fluorine paint for building》、《Color
Varnish liquid medium is painted to measure》And《Paint and varnish pencil method measures hardness of paint film》Detection, it is possible thereby to be inferred to：This
The service life of invention high-strength weathering paint will greatly prolong.The raising of hardness of paint film effectively can overcome exterior wall latex paint because of film thickness
The drawbacks of not enough influencing the paint film service life, and then painting quality carries instead in the case of reduction film thickness and reduction cost
High perfect condition.
Comparative example 1：Using aqueous acrylic emulsion conventional on the market unlike comparative example 1 and embodiment 1.
Comparative example 2：It is not added with dispersant unlike comparative example 2 and embodiment 1.
Comparative example 3：It is not added with wetting agent unlike comparative example 3 and embodiment 1.
Comparative example 4：It is not added with pH adjusting agent unlike comparative example 4 and embodiment 1.
Comparative example 5：Non- dispersant, wetting agent and pH adjusting agent unlike comparative example 5 and embodiment 1.
According to GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》Standard to the full item index of comparative example 1-5 into
Performing check, inspection result are shown in Table 3.
Table 3
It can be seen from Table 3 that comparative example 1 meets GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》In standard
The technology requirement of certified products, therefore heretofore described water-based emulsion has relative to the aqueous acrylic emulsion of conventional commercial
Prodigious advantage.
The testing result of comparing embodiment 1 and comparative example 2-5, dispersant, wetting agent and pH of the present invention are adjusted
Have the function of mutually promoting to the properties of the present invention, three is indispensable.
Respectively according to HG/T4014-2009 (2015) standard, GB/T9274-1988 standards and GB/T6739-2006 standards
Acid rain resistance, alkali resistance and the pencil hardness of comparative example 1-5, inspection result is examined to be shown in Table 4 respectively.
Table 4
It can be seen from Table 4 that although the inspection result of the acid rain resistance of comparative example 1 meets HG/T4014-2009
(2015) the technology requirement of standard, but for embodiment 1, the acid rain resistance of comparative example 1 is nothing like embodiment 1
Acid rain resistance；The alkali resistance and pencil hardness of the alkali resistance of embodiment 1 and pencil hardness also superior to comparative example 1.Therefore, of the invention
Described in water-based emulsion for the aqueous acrylic emulsion of conventional commercial, in improving the resistance to of high-strength weathering paint of the present invention
Tool is greatly improved in terms of acid rain, alkali resistance and pencil hardness.
The testing result of comparing embodiment 1 and comparative example 2-5, dispersant, wetting agent and pH of the present invention are adjusted
Acid rain resistance, alkali resistance and pencil hardness to improving the present invention have synergistic effect, three indispensable.
Claims (9)
1. a kind of high-strength weathering paint, which is characterized in that in terms of mass fraction, raw material includes：25-35 parts of water-based emulsion, golden red
15-25 parts of stone titanium dioxide, 20-35 parts of high-purity silicon dioxide powder, 15-20 parts of water, 2-5 parts of hydroxyethyl cellulose, ethylene glycol
3-7 parts, 0.0001-0.0002 parts of dispersant, 0.0001-0.0002 parts of wetting agent, 0.0001-0.0002 parts of antifoaming agent, film forming
0.0001-0.0002 parts of auxiliary agent, 0.0001-0.0002 parts of pH adjusting agent, 0.0001-0.0002 parts of levelling agent, thickener
0.0001-0.0002 parts；The water-based emulsion is by acryl hard monomer, the soft monomer of acrylic acid, acrylate functional list
Body and water carry out polymerisation in 60Coy field of radiation by a certain percentage and are made；Wherein, amount of radiation 9KGy, dosage unevenness degree are small
In 1.2；The acryl hard monomer is methacrylic acid, and the soft monomer of acrylic acid is butyl acrylate, the propylene
Acid function monomer is itaconic acid and N hydroxymethyl acrylamide；The methacrylic acid, butyl acrylate, itaconic acid, N- hydroxyls
The mass ratio of Methacrylamide and water is 1.5-2：2-2.7：0.6-0.9：4-5：1.
2. high-strength weathering paint according to claim 1, which is characterized in that the pH adjusting agent is 2- amino-2-methyls -1-
Propyl alcohol.
3. high-strength weathering paint according to claim 1, which is characterized in that the structural formula of the dispersant is
4. high-strength weathering paint according to claim 1, which is characterized in that the structural formula of the wetting agent is
5. a kind of preparation process of high-strength weathering paint as described in claim 1, which is characterized in that include the following steps：
Step1：Water is first added in stirred tank, under conditions of rotating speed is 500-600r/min, sequentially adds dispersant, wetting
Agent, antifoaming agent and ethylene glycol；
Step2：Under conditions of rotating speed is 1100-1300r/min, hydroxyethyl cellulose is added, stirs 7-8min；Then it synchronizes
Rutile titanium white powder and high-purity silicon dioxide powder is added, stirs 30-60min；
Step3：Water-based emulsion, coalescents, pH adjusting agent, levelling are sequentially added under conditions of rotating speed is 500-800r/min
Agent, thickener obtain high-strength weathering paint.
6. the preparation process of high-strength weathering paint according to claim 5, which is characterized in that dispersant, wetting in Step1
The interval time that agent, antifoaming agent and ethylene glycol are added is 5min.
7. the preparation process of high-strength weathering paint according to claim 5, which is characterized in that the rotating speed in Step1 is 500r/
min。
8. the preparation process of high-strength weathering paint according to claim 5, which is characterized in that the rotating speed in Step2 is
1200r/min。
9. the preparation process of high-strength weathering paint according to claim 5, which is characterized in that the rotating speed in Step3 is 700r/
min。
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| CN201610530014.3A CN106118317B (en) | 2016-07-06 | 2016-07-06 | High-strength weathering paint and its preparation process |
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| CN201610530014.3A CN106118317B (en) | 2016-07-06 | 2016-07-06 | High-strength weathering paint and its preparation process |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955700B (en) * | 2009-09-08 | 2012-09-05 | 广东美涂士建材股份有限公司 | Acid rain resistant flexible outer wall emulsion paint |
| CN102127330B (en) * | 2011-01-05 | 2013-01-09 | 广东美涂士建材股份有限公司 | Acid rain resistant aqueous exterior wall base paint |
| CN102690577B (en) * | 2012-06-15 | 2015-01-21 | 宁波华宝石节能科技股份有限公司 | Engineering latex paint |
| CN103045002B (en) * | 2013-01-17 | 2014-04-09 | 长沙华润涂料有限公司 | Method for preparing environment-friendly and efficient water-borne coating dispersing agent |
| CN105647328A (en) * | 2016-02-02 | 2016-06-08 | 芜湖县双宝建材有限公司 | Weather-proof high-strength and high-adhesive-force paint |
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Effective date of registration: 20210323 Address after: 2301, 3 / F, building 1, yard 39, Chunhe Road, Daxing District, Beijing Patentee after: BEIJING LANSHAN SHANGKE COATING TECHNOLOGY Co.,Ltd. Address before: 056000 11 Xingwang Road, Yanshi village, xiangcaiying Township, Linzhang County, Handan City, Hebei Province Patentee before: Shen Aiguo |