CN107641360A - A kind of water paint and its preparation technology - Google Patents
A kind of water paint and its preparation technology Download PDFInfo
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- CN107641360A CN107641360A CN201711035013.2A CN201711035013A CN107641360A CN 107641360 A CN107641360 A CN 107641360A CN 201711035013 A CN201711035013 A CN 201711035013A CN 107641360 A CN107641360 A CN 107641360A
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Abstract
The invention discloses a kind of water paint and its preparation technology, and in terms of parts by weight, its recipe ingredient is：Waterborne polyurethane resin, esterification catalyst, sodium pyrophosphate, sulfide isobutene, methanol, lauryl sodium sulfate, Catalpol, water, methyl silanol potassium, titanium dioxide, curing agent, dispersant, wetting agent, filler, hydroxyethyl cellulose, defoamer, solvent naphtha, polyurethane levelling agent, mould inhibitor, preservative, coalescents, propane diols, water-based acrylic resin, reactive diluent, styrene and modified polyorganosiloxane, its preparation method include：Resin emulsion is prepared, prepare compound and prepares coating；The present invention has the purpose of beautification cleaning, can reduce the pretreatment that the renovation of such metope is, the coating surface of formation is easy to clean, with preferable antifouling property, Catalpol is particularly added, the overall quality of resin emulsion component can be lifted, and the simple production process of coating, coating application are convenient.
Description
Technical field
The present invention relates to technical field of coatings, specially a kind of water paint and its preparation technology.
Background technology
The metope in kitchen or the place that repairs often is polluted by oil, causes the easy mouldy, nigrescence of metope.It is a kind of in the prior art
It is as follows by the method for the metope of all kinds of oil pollutions to handle surface, first has to root out old metope or removes these with cleaning supplies
Greasy dirt, criticizes that putty is levelling again, then brushes one layer of new coating again, so needs to spend extra artificial and material just to enter
Row coating and retreading.Generic latex paint can also be used to renovate in the prior art, the greasy dirt that metope remained originally can also be done because of coating
The moisture evaporation of dry process, moves to coating surface, causes surface to grow dim, and influences outward appearance.If eliminate above-mentioned influence outward appearance
Phenomenon, it is necessary to painted using solvent based coating, and the smell is awful for these coating, VOC is very high, to health very
It is unfavorable.Detergent cleaning metope can also be used in the prior art, generally required with alkaline cleanser, then clean wall with detergent
Face, but can so cause the pollution of sewage, the metope surface effect after renovation cleaning is also bad, while every uses water as solvent
Or make the coating of decentralized medium, it all can be described as water paint.According to adhesive classification in coating, it is big that water paint is divided into two
Class：Natural materials or mineral matter（Such as potassium silicate）Natural water paint and artificial synthetic resin（Such as acrylic resin）Oil
Chemical industry water paint.Water paint includes water soluble paint, water-reducible coating, water-dispersible paint（Latex paint）3 kinds.Water
Soluble paint be using water-soluble resin as film forming matter, using polyvinyl alcohol and its various modifiers as representative, in addition also water
Molten alkyd resin, water-soluble epoxy resin and inorganic polymer water-base resin etc..Existing water paint is primarily present scattered inequality
It is even, the defects of service life is short.
So how to design a kind of water paint and its preparation technology, turning into us will currently solve the problems, such as.
The content of the invention
The present invention provides a kind of water paint and its preparation technology, and paint brush is after the surface of wall of oil pollution, wetting
Greasy surfaces are penetrated into agent, and oil is emulsified into droplet, into coating, with methyl silanol nak response in coating, is solidificated in coating
It is interior, turn into the filler of coating, reach beautification cleaning purpose, can reduce such metope renovation be pretreatment, will not occur because
It is incompatible with water for oil droplet, and coating surface is moved to, make coating surface hairization and influence the phenomenon of the apparent effect of coating, simultaneously
From the emulsion of high anti-soil, with organosilicon collective effect, make the coating surface to be formed easy to clean, there is provided long-term decoration and guarantor
Protective function, and can also eliminate and clean pollution to environment with detergent, there is preferable antifouling property, pass through to add and close
The component of design is managed, Catalpol is particularly added, the overall quality of resin emulsion component can be lifted, further make water paint
Dispersive property lifting more than 10%, and the simple production process of coating, coating application is convenient, can effectively solve above-mentioned background
The problem of in technology.
To achieve the above object, the present invention provides following technical scheme：A kind of water paint, in terms of parts by weight, it is matched somebody with somebody
Fang Zufen is：Waterborne polyurethane resin 5-8 parts, esterification catalyst 5-8 parts, sodium pyrophosphate 5-8 parts, sulfide isobutene 5-8 parts, first
Alcohol 5-8 parts, lauryl sodium sulfate 5-8 parts, Catalpol 5-8 parts, water 20-30 parts, methyl silanol potassium 3-5 parts, titanium dioxide 3-5 parts,
Curing agent 1-2 parts, dispersant 3-5 parts, wetting agent 2-5 parts, filler 5-10 parts, hydroxyethyl cellulose 1-2 parts, defoamer 1-2
Part, solvent naphtha 0.5-1 parts, polyurethane levelling agent 0.5-1 parts, mould inhibitor 0.5-1 parts, preservative 1-2 parts, coalescents 1-2 parts,
Propane diols 1-2 parts, water-based acrylic resin 10-20 parts, reactive diluent 10-15 parts, styrene 10-15 parts and modified poly- silica
Alkane 30-50 parts.
A kind of water paint preparation technology, comprises the following steps：
1）Prepare resin emulsion：Add waterborne polyurethane resin 5-8 parts, esterification catalyst 5-8 parts, Jiao successively in consersion unit
Sodium phosphate 5-8 parts, sulfide isobutene 5-8 parts, methanol 5-8 parts, lauryl sodium sulfate 5-8 parts and Catalpol 5-8 parts, then heat up
To 100 °C, stirring reaction 5 hours, then cooling down is sealed, that is, resin emulsion is made；
2）Prepare compound：By filler 5-10 parts, hydroxyethyl cellulose 1-2 parts, solvent naphtha 0.5-1 parts, polyurethane levelling agent
0.5-1 parts, mould inhibitor 0.5-1 parts, preservative 1-2 parts, coalescents 1-2 parts, propane diols 1-2 parts, reactive diluent 10-15
Part, styrene 10-15 parts and modified polyorganosiloxane 30-50 parts will be added in reactor, stir 120 minutes, by aqueous acrylamide
Acid resin 10-20 parts are added in reactor in three times, continue stirring 60 minutes, add defoamer 1-2 parts, continue high-speed stirred
60 minutes, discharging is well mixed, produces component A；
3）Prepare coating：Step 1 is added first into stirring container）In obtained resin emulsion, step 2）In obtained component A
With water 20-30 parts, it is 1000r/min to control rotating speed, stirs 1h；Methyl silanol potassium 3-5 parts and titanium dioxide 3-5 parts are subsequently added into,
It is 1500r/min to control rotating speed, stirs 2h；Curing agent 1-2 parts and dispersant 3-5 parts are subsequently added into, it is 1200r/ to control rotating speed
Min, stir 0.5h；Wetting agent 2-5 parts are eventually adding, it is 800r/min to control rotating speed, stirs 1h, produces coating.
According to above-mentioned technical proposal, the preparation method of the mould inhibitor is first to add 2.5-4% sodium citrates and 2-7% boraxs
Enter in appropriate water, obtain mixture A, mix；1-3% Tea Polyphenols and 0.5-1.5% pentachlorophenols are added in appropriate water again,
Mix, obtain mixture B；The above-mentioned mixture A and mixture B that obtains is mixed again；Finally plus water complements to 100%, and stirring is equal
It is even, produce mould inhibitor.
According to above-mentioned technical proposal, the preparation method of the filler is first by the coal newly produced first through common grinder
40-50um is crushed to, 5-6um is ground to 200r/min speed in ball mill；Then it is 50-75%'s by mass ratio
Coupling agent is with absolute ethyl alcohol according to mass ratio 1:1 ratio mixes, and adds the dispersant that mass ratio is 25-50%, stirs i.e.
Obtain modifying agent；It is finally that 2-5% modifying agent is sent forth in the 95-98% coal dusts of micronization processes by mass ratio, is moved after being stirred
Enter in container, in 80-85 °C of water-bath, 15-20min is stirred under 1000-1200r/min, is taken out after 110- in drying box
120 °C of dry 2-2.5h, produce filler.
According to above-mentioned technical proposal, the preparation method of the preservative is that dehydrogenated rosin is added in 25% ammonia spirit,
Stir, be then heated to 95 °C and carry out insulation reaction 3 hours, obtain intermediate product I；Intermediate product I is added to sulfuric acid
In copper solution, stir, be then heated to 80 °C and carry out insulation reaction 1 hour, after the reaction terminates, will react what is obtained
It is 1.21 that product, which carries out heating and is concentrated into relative density, obtains intermediate product II；When Span 80 is first added to centre by waste heat
In product II, mixing 2 hours is stirred, distilled water is then added, is heated to 95 °C, carry out insulation reaction while stirring
0.5 hour, obtain preservative.
According to above-mentioned technical proposal, the preparation method of the coalescents is by polyalcohol, unsaturated unary fatty acid, two
In toluene input reactor, inert gas shielding is passed through, when being warming up to 95 DEG C, opens stirring；Continue slowly heating, when temperature reaches
During to 140 DEG C, dimethylbenzene flows back, and esterification starts, and whole-process control temperature of reaction system≤205 DEG C；Esterification 4
After individual hour, start gap sampling and testing acid value, when acid value≤2 to be qualified, cooling；It is close when temperature is dropped to below 60 DEG C
Reactor is closed, vavuum pump is opened, slowly carries out negative pressure extraction, untill without the outflow of dimethylbenzene mixed liquor, produces film forming
Auxiliary agent.
According to above-mentioned technical proposal, the step 2）Temperature during middle stirring is room temperature.
Compared with prior art, beneficial effects of the present invention：Wall of the water paint brushing of the present invention in oil pollution
Behind surface, wetting agent penetrates into greasy surfaces, and oil is emulsified into droplet, into coating, with methyl silanol nak response in coating,
It is solidificated in coating, turns into the filler of coating, reach the purpose of beautification cleaning, the pretreatment that the renovation of such metope is can be reduced,
It will not occur, because oil droplet is incompatible with water, and moves to coating surface, to make coating surface hairization and influence the apparent effect of coating
Phenomenon, while from the emulsion of high anti-soil, with organosilicon collective effect, make the coating surface to be formed easy to clean, there is provided long
The decoration and defencive function of phase, and can also eliminate and clean pollution to environment with detergent, there is preferable resistance tocrocking
Can, by adding the component rationally designed, Catalpol is particularly added, the overall quality of resin emulsion component can be lifted, enter one
Step makes the dispersive property of water paint lift more than 10%, and the simple production process of coating, and coating application is convenient.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is the process chart of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1：As shown in figure 1, the present invention provides a kind of water paint, in terms of parts by weight, its recipe ingredient is：Water
5 parts of polyurethane resin of property, 5 parts of esterification catalyst, 5 parts of sodium pyrophosphate, 5 parts of sulfide isobutene, 5 parts of methanol, dodecyl sulphate
5 parts of sodium, 5 parts of Catalpol, 20 parts of water, 3 parts of methyl silanol potassium, 3 parts of titanium dioxide, 1 part of curing agent, 3 parts of dispersant, 2 parts of wetting agent, fill out
Fill 5 parts of agent, 1 part of hydroxyethyl cellulose, 1 part of defoamer, 0.5 part of solvent naphtha, 0.5 part of polyurethane levelling agent, 0.5 part of mould inhibitor,
1 part of preservative, 1 part of coalescents, 1 part of propane diols, 10 parts of water-based acrylic resin, 10 parts of reactive diluent, 10 parts of styrene
With 30 parts of modified polyorganosiloxane.
A kind of water paint preparation technology, comprises the following steps：
1）Prepare resin emulsion：Add 5 parts of waterborne polyurethane resin, 5 parts of esterification catalyst, pyrophosphoric acid successively in consersion unit
5 parts of 5 parts of sodium, 5 parts of sulfide isobutene, 5 parts of methanol, 5 parts of lauryl sodium sulfate and Catalpol, 100 °C are then warming up to, stirring is anti-
Answer 5 hours, then cooling down is sealed, that is, resin emulsion is made；
2）Prepare compound：By 5 parts of filler, 1 part of hydroxyethyl cellulose, 0.5 part of solvent naphtha, 0.5 part of polyurethane levelling agent, anti-
Mould dose 0.5 part, 1 part of preservative, 1 part of coalescents, 1 part of propane diols, 10 parts of reactive diluent, 10 parts of styrene and modified poly- silicon
30 parts of oxygen alkane will be added in reactor, stir 120 minutes, by water-based acrylic resin, 10 parts are added to reactor in three times
In, continue stirring 60 minutes, add 1 part of defoamer, continue high-speed stirred 60 minutes, be well mixed discharging, produce component A；
3）Prepare coating：Step 1 is added first into stirring container）In obtained resin emulsion, step 2）In obtained component A
With 20 parts of water, it is 1000r/min to control rotating speed, stirs 1h；3 parts of 3 parts of methyl silanol potassium and titanium dioxide are subsequently added into, controls rotating speed
For 1500r/min, 2h is stirred；3 parts of 1 part of curing agent and dispersant are subsequently added into, it is 1200r/min to control rotating speed, stirs 0.5h；
2 parts of wetting agent is eventually adding, it is 800r/min to control rotating speed, stirs 1h, produces coating.
According to above-mentioned technical proposal, the preparation method of the mould inhibitor is first to add 2.5-4% sodium citrates and 2-7% boraxs
Enter in appropriate water, obtain mixture A, mix；1-3% Tea Polyphenols and 0.5-1.5% pentachlorophenols are added in appropriate water again,
Mix, obtain mixture B；The above-mentioned mixture A and mixture B that obtains is mixed again；Finally plus water complements to 100%, and stirring is equal
It is even, produce mould inhibitor.
According to above-mentioned technical proposal, the preparation method of the filler is first by the coal newly produced first through common grinder
40-50um is crushed to, 5-6um is ground to 200r/min speed in ball mill；Then it is 50-75%'s by mass ratio
Coupling agent is with absolute ethyl alcohol according to mass ratio 1:1 ratio mixes, and adds the dispersant that mass ratio is 25-50%, stirs i.e.
Obtain modifying agent；It is finally that 2-5% modifying agent is sent forth in the 95-98% coal dusts of micronization processes by mass ratio, is moved after being stirred
Enter in container, in 80-85 °C of water-bath, 15-20min is stirred under 1000-1200r/min, is taken out after 110- in drying box
120 °C of dry 2-2.5h, produce filler.
According to above-mentioned technical proposal, the preparation method of the preservative is that dehydrogenated rosin is added in 25% ammonia spirit,
Stir, be then heated to 95 °C and carry out insulation reaction 3 hours, obtain intermediate product I；Intermediate product I is added to sulfuric acid
In copper solution, stir, be then heated to 80 °C and carry out insulation reaction 1 hour, after the reaction terminates, will react what is obtained
It is 1.21 that product, which carries out heating and is concentrated into relative density, obtains intermediate product II；When Span 80 is first added to centre by waste heat
In product II, mixing 2 hours is stirred, distilled water is then added, is heated to 95 °C, carry out insulation reaction while stirring
0.5 hour, obtain preservative.
According to above-mentioned technical proposal, the preparation method of the coalescents is by polyalcohol, unsaturated unary fatty acid, two
In toluene input reactor, inert gas shielding is passed through, when being warming up to 95 DEG C, opens stirring；Continue slowly heating, when temperature reaches
During to 140 DEG C, dimethylbenzene flows back, and esterification starts, and whole-process control temperature of reaction system≤205 DEG C；Esterification 4
After individual hour, start gap sampling and testing acid value, when acid value≤2 to be qualified, cooling；It is close when temperature is dropped to below 60 DEG C
Reactor is closed, vavuum pump is opened, slowly carries out negative pressure extraction, untill without the outflow of dimethylbenzene mixed liquor, produces film forming
Auxiliary agent.
According to above-mentioned technical proposal, the step 2）Temperature during middle stirring is room temperature.
Embodiment 2：As shown in figure 1, the present invention provides a kind of water paint, in terms of parts by weight, its recipe ingredient is：Water
8 parts of polyurethane resin of property, 8 parts of esterification catalyst, 8 parts of sodium pyrophosphate, 8 parts of sulfide isobutene, 8 parts of methanol, dodecyl sulphate
8 parts of sodium, 8 parts of Catalpol, 30 parts of water, 5 parts of methyl silanol potassium, 5 parts of titanium dioxide, 2 parts of curing agent, 5 parts of dispersant, 5 parts of wetting agent, fill out
Fill 10 parts of agent, 2 parts of hydroxyethyl cellulose, 2 parts of defoamer, 1 part of solvent naphtha, 1 part of polyurethane levelling agent, 1 part of mould inhibitor, preservative
2 parts, 2 parts of coalescents, 2 parts of propane diols, 20 parts of water-based acrylic resin, 15 parts of reactive diluent, 15 parts of styrene and modification
50 parts of polysiloxanes.
A kind of water paint preparation technology, comprises the following steps：
1）Prepare resin emulsion：Add 8 parts of waterborne polyurethane resin, 8 parts of esterification catalyst, pyrophosphoric acid successively in consersion unit
8 parts of 8 parts of sodium, 8 parts of sulfide isobutene, 8 parts of methanol, 8 parts of lauryl sodium sulfate and Catalpol, 100 °C are then warming up to, stirring is anti-
Answer 5 hours, then cooling down is sealed, that is, resin emulsion is made；
2）Prepare compound：By 10 parts of filler, 2 parts of hydroxyethyl cellulose, 1 part of solvent naphtha, 1 part of polyurethane levelling agent, mould proof
1 part of agent, 1 part of preservative, 2 parts of coalescents, 2 parts of propane diols, 15 parts of reactive diluent, 15 parts of styrene and modified polyorganosiloxane
50 parts will be added in reactor, stir 120 minutes, and by water-based acrylic resin, 20 parts are added in reactor in three times, after
Continuous stirring 60 minutes, adds 2 parts of defoamer, continues high-speed stirred 60 minutes, is well mixed discharging, produces component A；
3）Prepare coating：Step 1 is added first into stirring container）In obtained resin emulsion, step 2）In obtained component A
With 30 parts of water, it is 1000r/min to control rotating speed, stirs 1h；5 parts of 5 parts of methyl silanol potassium and titanium dioxide are subsequently added into, controls rotating speed
For 1500r/min, 2h is stirred；5 parts of 2 parts of curing agent and dispersant are subsequently added into, it is 1200r/min to control rotating speed, stirs 0.5h；
Be eventually adding with 5 parts of wetting agent, it is 800r/min to control rotating speed, stir 1h, produce coating.
According to above-mentioned technical proposal, the preparation method of the mould inhibitor is first to add 2.5-4% sodium citrates and 2-7% boraxs
Enter in appropriate water, obtain mixture A, mix；1-3% Tea Polyphenols and 0.5-1.5% pentachlorophenols are added in appropriate water again,
Mix, obtain mixture B；The above-mentioned mixture A and mixture B that obtains is mixed again；Finally plus water complements to 100%, and stirring is equal
It is even, produce mould inhibitor.
According to above-mentioned technical proposal, the preparation method of the filler is first by the coal newly produced first through common grinder
40-50um is crushed to, 5-6um is ground to 200r/min speed in ball mill；Then it is 50-75%'s by mass ratio
Coupling agent is with absolute ethyl alcohol according to mass ratio 1:1 ratio mixes, and adds the dispersant that mass ratio is 25-50%, stirs i.e.
Obtain modifying agent；It is finally that 2-5% modifying agent is sent forth in the 95-98% coal dusts of micronization processes by mass ratio, is moved after being stirred
Enter in container, in 80-85 °C of water-bath, 15-20min is stirred under 1000-1200r/min, is taken out after 110- in drying box
120 °C of dry 2-2.5h, produce filler.
According to above-mentioned technical proposal, the preparation method of the preservative is that dehydrogenated rosin is added in 25% ammonia spirit,
Stir, be then heated to 95 °C and carry out insulation reaction 3 hours, obtain intermediate product I；Intermediate product I is added to sulfuric acid
In copper solution, stir, be then heated to 80 °C and carry out insulation reaction 1 hour, after the reaction terminates, will react what is obtained
It is 1.21 that product, which carries out heating and is concentrated into relative density, obtains intermediate product II；When Span 80 is first added to centre by waste heat
In product II, mixing 2 hours is stirred, distilled water is then added, is heated to 95 °C, carry out insulation reaction while stirring
0.5 hour, obtain preservative.
According to above-mentioned technical proposal, the preparation method of the coalescents is by polyalcohol, unsaturated unary fatty acid, two
In toluene input reactor, inert gas shielding is passed through, when being warming up to 95 DEG C, opens stirring；Continue slowly heating, when temperature reaches
During to 140 DEG C, dimethylbenzene flows back, and esterification starts, and whole-process control temperature of reaction system≤205 DEG C；Esterification 4
After individual hour, start gap sampling and testing acid value, when acid value≤2 to be qualified, cooling；It is close when temperature is dropped to below 60 DEG C
Reactor is closed, vavuum pump is opened, slowly carries out negative pressure extraction, untill without the outflow of dimethylbenzene mixed liquor, produces film forming
Auxiliary agent.
According to above-mentioned technical proposal, the step 2）Temperature during middle stirring is room temperature.
Based on above-mentioned, it is an advantage of the current invention that the water paint brushing of the present invention is after the surface of wall of oil pollution,
Wetting agent penetrates into greasy surfaces, and oil is emulsified into droplet, into coating, with methyl silanol nak response in coating, is solidificated in
In coating, turn into the filler of coating, reach the purpose of beautification cleaning, the pretreatment that the renovation of such metope is, Bu Huifa can be reduced
It is raw incompatible with water because of oil droplet, and coating surface is moved to, make coating surface hairization and influence the phenomenon of the apparent effect of coating,
Simultaneously from the emulsion of high anti-soil, with organosilicon collective effect, make the coating surface to be formed easy to clean, there is provided long-term decoration
And defencive function, and can also eliminate and clean pollution to environment with detergent, there is preferable antifouling property, by adding
Enter the component of rational design, particularly add Catalpol, the overall quality of resin emulsion component can be lifted, further make water-based painting
The dispersive property lifting more than 10% of material, and the simple production process of coating, coating application are convenient.
Finally it should be noted that：The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, to the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, and for the technology patient of this area, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
- A kind of 1. water paint, it is characterised in that：In terms of parts by weight, its recipe ingredient is：Waterborne polyurethane resin 5-8 parts, Esterification catalyst 5-8 parts, sodium pyrophosphate 5-8 parts, sulfide isobutene 5-8 parts, methanol 5-8 parts, lauryl sodium sulfate 5-8 parts, Catalpol 5-8 parts, water 20-30 parts, methyl silanol potassium 3-5 parts, titanium dioxide 3-5 parts, curing agent 1-2 parts, dispersant 3-5 parts, wetting Agent 2-5 parts, filler 5-10 parts, hydroxyethyl cellulose 1-2 parts, defoamer 1-2 parts, solvent naphtha 0.5-1 parts, polyurethane levelling agent 0.5-1 parts, mould inhibitor 0.5-1 parts, preservative 1-2 parts, coalescents 1-2 parts, propane diols 1-2 parts, water-based acrylic resin 10- 20 parts, reactive diluent 10-15 parts, styrene 10-15 parts and modified polyorganosiloxane 30-50 parts.
- A kind of 2. water paint preparation technology, it is characterised in that：Comprise the following steps：1）Prepare resin emulsion：Add waterborne polyurethane resin 5-8 parts, esterification catalyst 5-8 parts, Jiao successively in consersion unit Sodium phosphate 5-8 parts, sulfide isobutene 5-8 parts, methanol 5-8 parts, lauryl sodium sulfate 5-8 parts and Catalpol 5-8 parts, then heat up To 100 °C, stirring reaction 5 hours, then cooling down is sealed, that is, resin emulsion is made；2）Prepare compound：By filler 5-10 parts, hydroxyethyl cellulose 1-2 parts, solvent naphtha 0.5-1 parts, polyurethane levelling agent 0.5-1 parts, mould inhibitor 0.5-1 parts, preservative 1-2 parts, coalescents 1-2 parts, propane diols 1-2 parts, reactive diluent 10-15 Part, styrene 10-15 parts and modified polyorganosiloxane 30-50 parts will be added in reactor, stir 120 minutes, by aqueous acrylamide Acid resin 10-20 parts are added in reactor in three times, continue stirring 60 minutes, add defoamer 1-2 parts, continue high-speed stirred 60 minutes, discharging is well mixed, produces component A；3）Prepare coating：Step 1 is added first into stirring container）In obtained resin emulsion, step 2）In obtained component A With water 20-30 parts, it is 1000r/min to control rotating speed, stirs 1h；Methyl silanol potassium 3-5 parts and titanium dioxide 3-5 parts are subsequently added into, It is 1500r/min to control rotating speed, stirs 2h；Curing agent 1-2 parts and dispersant 3-5 parts are subsequently added into, it is 1200r/ to control rotating speed Min, stir 0.5h；Wetting agent 2-5 parts are eventually adding, it is 800r/min to control rotating speed, stirs 1h, produces coating.
- A kind of 3. water paint according to claim 1, it is characterised in that：The preparation method of the mould inhibitor is first will 2.5-4% sodium citrates and 2-7% boraxs are added in appropriate water, obtain mixture A, are mixed；Again by 1-3% Tea Polyphenols and 0.5- 1.5% pentachlorophenol is added in appropriate water, is mixed, is obtained mixture B；The above-mentioned mixture A and mixture B that obtains is mixed again； Finally plus water complements to 100%, stirs, produces mould inhibitor.
- A kind of 4. water paint according to claim 1, it is characterised in that：The preparation method of the filler is first by newly The coal of extraction is first crushed to 40-50um through common grinder, and 5- is ground to 200r/min speed in ball mill 6um；Then by coupling agent and absolute ethyl alcohol that mass ratio is 50-75% according to mass ratio 1:1 ratio mixes, and adds mass ratio For 25-50% dispersant, stir and obtain modifying agent；It is finally that 2-5% modifying agent is sent forth in micronization processes by mass ratio 95-98% coal dusts in, after being stirred move into container in, in 80-85 °C of water-bath, 15- is stirred under 1000-1200r/min 20min, take out after 110-120 °C in drying box dry 2-2.5h, produce filler.
- A kind of 5. water paint according to claim 1, it is characterised in that：The preparation method of the preservative is by dehydrogenation Rosin is added in 25% ammonia spirit, is stirred, and is then heated to 95 °C and is carried out insulation reaction 3 hours, obtains intermediate product I；Intermediate product I is added in copper-bath, stirred, 80 °C is then heated to and carries out insulation reaction 1 hour, it is described After reaction terminates, it is 1.21 that the product that reaction obtains, which is carried out heating to be concentrated into relative density, obtains intermediate product II；It is when remaining Span 80 is first added in intermediate product II by heat, is stirred mixing 2 hours, is then added distilled water, be heated to 95 °C, Insulation reaction is carried out while stirring 0.5 hour, obtain preservative.
- A kind of 6. water paint according to claim 1, it is characterised in that：It will be more that the preparation method of the coalescents, which is, In first alcohol, unsaturated unary fatty acid, dimethylbenzene input reactor, inert gas shielding is passed through, when being warming up to 95 DEG C, unlatching is stirred Mix；Continue slowly heating, when temperature reaches 140 DEG C, dimethylbenzene flows back, and esterification starts, and whole-process control reacts System temperature≤205 DEG C；After 4 hours of esterification, start gap sampling and testing acid value, it is cold when acid value≤2 to be qualified But；When temperature is dropped to below 60 DEG C, closed reactor, vavuum pump is opened, slowly carries out negative pressure extraction, until there is no diformazan Untill benzene mixed liquor flows out, coalescents are produced.
- A kind of 7. water paint preparation technology according to claim 2, it is characterised in that：The step 2）During middle stirring Temperature is room temperature.
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| CN201711035013.2A CN107641360A (en) | 2017-10-30 | 2017-10-30 | A kind of water paint and its preparation technology |
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Cited By (5)
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| CN108504219A (en) * | 2018-05-14 | 2018-09-07 | 河北晨阳工贸集团有限公司 | Antiaging coating and preparation method thereof |
| CN109943176A (en) * | 2019-03-21 | 2019-06-28 | 云南光电辅料有限公司 | A kind of optical element processing protective coating and preparation method thereof |
| CN110845951A (en) * | 2019-12-06 | 2020-02-28 | 湖南太子化工涂料有限公司 | Waterborne polyurethane coating for engineering machinery and preparation method thereof |
| CN114958172A (en) * | 2022-06-13 | 2022-08-30 | 北京华雨科技有限公司 | Pavement water-based paint with good adhesive force and preparation process thereof |
| CN116855114A (en) * | 2023-07-12 | 2023-10-10 | 江苏三乔智能科技有限公司 | High-wear-resistance car window glass protective coating and preparation method thereof |
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| CN114958172A (en) * | 2022-06-13 | 2022-08-30 | 北京华雨科技有限公司 | Pavement water-based paint with good adhesive force and preparation process thereof |
| CN116855114A (en) * | 2023-07-12 | 2023-10-10 | 江苏三乔智能科技有限公司 | High-wear-resistance car window glass protective coating and preparation method thereof |
| CN116855114B (en) * | 2023-07-12 | 2024-05-17 | 江苏三乔智能科技有限公司 | High-wear-resistance car window glass protective coating and preparation method thereof |
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Application publication date: 20180130 |