CN108239473A - A kind of preparation method of lower shrinkage ultraviolet-curing paint - Google Patents
A kind of preparation method of lower shrinkage ultraviolet-curing paint Download PDFInfo
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/40—High-molecular-weight compounds
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
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Abstract
The invention discloses a kind of preparation methods of lower shrinkage ultraviolet-curing paint, belong to technical field of paint preparation.When carrying out carbonation decomposition to sodium aluminate solution with carbon dioxide in the present invention and preparing aluminium hydroxide powder, the Crater corrosion of sodium aluminate solution reduces, in ultraviolet-curing paint, aluminum hydroxide particles are better to the gapfill of modified epoxy acrylate resin particle, ultraviolet-curing paint is in the curing process in the present invention, part aluminum hydroxide particles can react generation nano silicon dioxide with sodium metasilicate in dispersion glue, nanometer silicon dioxide particle is coated on resin particle surfaces, improve the curing efficiency of coating, the low shrinkage additive that polystyrene similar in cure shrinkage is major ingredient is used for modified epoxy acrylate resin, steric hindrance increases during cure shrinkage, reticular structure makes paint film have certain tensile property, so as to reduce the cure shrinkage of ultraviolet-curing paint, increase the flexibility of paint film, it has a extensive future.
Description
Technical field
The invention discloses a kind of preparation methods of lower shrinkage ultraviolet-curing paint, belong to technical field of paint preparation.
Background technology
Ultraviolet-curing paint is that light-initiated there is chemically active liquid material quickly to be polymerize, hand over using ultraviolet
Connection etc. reactions and rapid curing film forming a kind of coating.It is a kind of the coating material solidified of high-efficiency environment friendly, has curing rate soon, admittedly
Change temperature it is low, production efficiency is high, save the energy, without organic solvent, be suitble to flow line production the advantages that.It is organic molten due to being free of
Agent, so as to eliminate pollution of the volatile organic compounds to environment significantly.First part of patent of ultraviolet-curing paint is born
Nineteen forty-seven, by the development of over half a century, UV is coating material solidified to have become more mature technology, in particular with people's ring
The raising of consciousness is protected, production and researcher are important to note that the coating material solidified development and application of UV.UV coating material solidified is a kind of green
Color environment-friendly type coating, it complies fully with " 4E " principle, and general UV curings energy consumption is the 1/5 of heat cure, and UV is coating material solidified containing waving
It is less to send out component, pollution is small, most attract researcher and developer to be that UV is coating material solidified can reduce raw materials consumption, be conducive to
Reduce financial cost.
Corrosion of metal is the phenomenon that metal is destroyed by chemistry or the electrochemical action of surrounding medium, is passed through to its people
Ji brings huge loss.Metal equipment anticorrosion is most effective, one of most common method is exactly anti-in metal surface coating
Corrosion resistant coating, to completely cut off contact of the corrosive medium with metallic matrix, predominantly hot-melt asphalt adds winding glass wool cloth, epoxy resin
Coating, scale resin coating, inorganic zinc coating etc..
With the fast development of world economy and the continuous improvement of people's quality of the life, environmental protection and energy saving more next
It is more taken seriously, the coating that Speeding up development uses no or little organic solvent namely develops " Environmentally friendly coatings " and become generation
The common recognition of various countries of boundary.Environmentally friendly coatings mainly have powdery paints, radiation curable coating etc..
At present, widely applied UV curable ink is mainly free radical type ink in print field, is had fast
The advantages that fast curing, high glaze, good weatherability, but due to polymer volume contraction in radical polymerization process, make ink
Flexibility is poor.
Therefore, invent a kind of lower shrinkage ultraviolet-curing paint has positive effect to technical field of paint preparation.
Invention content
Present invention mainly solves the technical issues of, for ultraviolet-curing paint curing when shrinking percentage it is big, can cause to paint
The defects of film flexibility is poor provides a kind of preparation method of lower shrinkage ultraviolet-curing paint.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of preparation method of lower shrinkage ultraviolet-curing paint, it is characterised in that specifically preparation process is：
（1）The sodium aluminate solution that 700~800mL mass fractions are 20% is put into plastic channel, with the rate of 20~30mL/min
Lead to 40~45min of carbon dioxide gas into plastic channel, after ventilation, 3~4h of standing sedimentation obtains sedimentation mixture, will
Sedimentation mixture is placed in horizontal table filter, and filtering removal filtrate obtains filter residue, and filter residue is placed in baking oven, is heated to 90
~100 DEG C, dry 4~5h obtains aluminium hydroxide powder；
（2）Aluminium hydroxide powder is placed in high pressure draught machine, 10~15min of air-flow crushing, it is 50~80 μm to obtain grain size
200~220g aluminium hydroxide superfine powders are poured into the sodium metasilicate equipped with 500~550mL mass fractions 30% by aluminium hydroxide superfine powder
In solution, colloidal fluid is obtained, colloidal fluid is placed in high speed dispersor and is obtained with the rotating speed high speed dispersion of 3000~3300r/min
Disperse glue；
（3）It counts in parts by weight, 60~70 parts of polystyrene and 30~40 parts of vinyl acetate resins is mixed, obtain compound tree
Hybrid resin is poured into the three-necked flask equipped with 60~70 parts of styrene, 80~90 DEG C is heated to three-necked flask by fat,
Start blender, be dispersed with stirring with the rotating speed of 300~350r/min, insulated and stirred reacts 4~5h, and discharging is naturally cooling to room
Temperature obtains low shrinkage additive；
（4）50~60gE-51 epoxy resin and 4~5g triethanolamines are added in three-necked flask, oil bath heating is warming up to 70~
80 DEG C, start blender, start to stir with the rotating speed of 300~350r/min, with dropping funel to four-hole boiling flask with 2~3mL/
40~50mL acrylic acid is added dropwise into three-necked flask for the drop rate of min, reacts 2~3h, obtains epoxy acrylic resin；
（5）Continue to add in 10~15mL trimethylolpropane allyl ethers into three-necked flask, be warming up to 90~95 DEG C, heat preservation
React 1~2h, add 8~10 parts of toluene di-isocyanate(TDI)s, after being cooled to 110~120 DEG C, into four-hole boiling flask add in 20~
30 parts of propylene glycol monomethyl ethers are diluted, and continue to be cooled to 80 DEG C, add in triethylamine and distilled water adjusts reaction solution in three-necked flask
PH is 8.0~8.5, discharges after 20~25min of stirring and obtains modified epoxy acrylate resin；
（6）Count in parts by weight, weigh 70~80 parts of modified epoxy acrylate resins, 5~10 parts dispersion glues, 8~12 parts it is different
Phorone, 10~15 parts of low shrinkage additives are put into high speed dispersor, with the rotating speed high speed dispersion 15 of 2000~3000r/min
After~18min, lower shrinkage ultraviolet-curing paint is obtained.
The beneficial effects of the invention are as follows：
（1）The present invention is passed through carbon dioxide into sodium aluminate solution, and standing sedimentation obtains sedimentation mixture, filtered, dry
To aluminium hydroxide powder, aluminium hydroxide powder and sodium silicate solution high speed dispersion are obtained uniformly disperseing glue, by polyphenyl second
Alkene is poured into after being mixed with vinyl acetate resin in styrene, and low shrinkage additive is obtained by the reaction in insulated and stirred, by E-51 asphalt mixtures modified by epoxy resin
Acrylic acid is added dropwise after being mixed with triethanolamine in fat, and epoxy acrylic resin is obtained by the reaction, three are added in into epoxy acrylic resin
Hydroxymethyl-propane diallyl ether, continuously adds toluene di-isocyanate(TDI) after reaction, it is dilute to add propylene glycol monomethyl ether for insulation reaction
It releases, adjusts reaction product pH and obtain modified epoxy acrylate resin, finally by modified epoxy acrylate resin, dispersion glue, low
The high speed dispersions such as shrink additives obtain lower shrinkage ultraviolet-curing paint, in the present invention with carbon dioxide to sodium aluminate solution into
When row carbonation decomposition prepares aluminium hydroxide powder, the Crater corrosion of sodium aluminate solution reduces, and decomposing crystal seed of aluminum hydroxide is pressed down
System, the hydroxide particle-size that surrounding is formed attenuate, and in ultraviolet-curing paint, aluminium hydroxide is discontinuous phase, and resin particle is
Continuous phase, aluminum hydroxide particles granularity is smaller, and specific surface area is bigger, bigger with resin particle contact area in coating, hydroxide
Alumina particles are better to the gapfill of modified epoxy acrylate resin particle, and shrinking percentage reduces during so as to make paint solidification；
（2）Ultraviolet-curing paint in the curing process, disperses part aluminum hydroxide particles meeting and silicic acid in glue in the present invention
Sodium reaction generation nano silicon dioxide, nanometer silicon dioxide particle is coated on resin particle surfaces, affine to the moisture in coating
Degree is high, can accelerate water content of coating and be migrated into paint film, improve the curing efficiency of coating, make for modified epoxy acrylate resin
The polystyrene similar in cure shrinkage is the low shrinkage additive of major ingredient, this kind of low shrinkage additive is a kind of core shell structure
Material, inner core be styrene, can be combined in the curing process with epoxy group, form the tridimensional network of diverging, Gu
Change steric hindrance when shrinking to increase, reticular structure makes paint film have certain tensile property, so as to make ultraviolet-curing paint
Cure shrinkage reduces, and increases the flexibility of paint film, has a extensive future.
Specific embodiment
The sodium aluminate solution that 700~800mL mass fractions are 20% is put into plastic channel, with the speed of 20~30mL/min
Rate leads to 40~45min of carbon dioxide gas into plastic channel, and after ventilation, 3~4h of standing sedimentation obtains sedimentation mixture,
Sedimentation mixture is placed in horizontal table filter, filtering removal filtrate obtains filter residue, and filter residue is placed in baking oven, is heated to
90~100 DEG C, dry 4~5h obtains aluminium hydroxide powder；Aluminium hydroxide powder is placed in high pressure draught machine, air-flow crushing
10~15min obtains the aluminium hydroxide superfine powder that grain size is 50~80 μm, 200~220g aluminium hydroxide superfine powders is poured into dress
In the sodium silicate solution for having 500~550mL mass fractions 30%, obtain colloidal fluid, by colloidal fluid be placed in high speed dispersor with
The rotating speed high speed dispersion of 3000~3300r/min obtains dispersion glue；It counts in parts by weight, by 60~70 parts of polystyrene and 30
~40 parts of vinyl acetate resin mixing, obtain hybrid resin, and hybrid resin is poured into three mouthfuls of burnings equipped with 60~70 parts of styrene
In bottle, 80~90 DEG C are heated to three-necked flask, starts blender, is dispersed with stirring with the rotating speed of 300~350r/min, is protected
Temperature is stirred to react 4~5h, and discharging is naturally cooling to room temperature and obtains low shrinkage additive；By 50~60gE-51 epoxy resin and 4
~5g triethanolamines are added in three-necked flask, and oil bath heating is warming up to 70~80 DEG C, start blender, with 300~350r/min
Rotating speed start to stir, be added dropwise into three-necked flask to four-hole boiling flask 40 with the drop rate of 2~3mL/min with dropping funel~
50mL acrylic acid reacts 2~3h, obtains epoxy acrylic resin；Continue to add in 10~15mL trihydroxy methyls into three-necked flask
Propane diallyl ether is warming up to 90~95 DEG C, 1~2h of insulation reaction, adds 8~10 parts of toluene di-isocyanate(TDI)s, cooling
To after 110~120 DEG C, into three-necked flask, 20~30 parts of propylene glycol monomethyl ethers of addition are diluted, and are continued to be cooled to 80 DEG C, be added in
It is 8.0~8.5 that triethylamine and distilled water, which adjust reaction solution pH in four-hole boiling flask, discharges after 20~25min of stirring and obtains modified ring
Oxypropylene acid resin；Count in parts by weight, weigh 70~80 parts of modified epoxy acrylate resins, 5~10 parts dispersion glues, 8~
12 parts of isophorones, 10~15 parts of low shrinkage additives are put into high speed dispersor, with the rotating speed of 2000~3000r/min at a high speed
After disperseing 15~18min, lower shrinkage ultraviolet-curing paint is obtained.
Example 1
The sodium aluminate solution that 700mL mass fractions are 20% is put into plastic channel, is led to the rate of 20mL/min into plastic channel
Carbon dioxide gas 40min, after ventilation, standing sedimentation 3h obtains sedimentation mixture, and sedimentation mixture is placed on square position mistake
In filter, filtering removal filtrate obtains filter residue, and filter residue is placed in baking oven, is heated to 90 DEG C, and dry 4h obtains hydroxide
Aluminium powder material；Aluminium hydroxide powder is placed in high pressure draught machine, air-flow crushing 10min, obtains the aluminium hydroxide that grain size is 50 μm
200g aluminium hydroxide superfine powders are poured into the sodium silicate solution equipped with 500mL mass fractions 30%, obtain colloidal fluid by superfine powder,
Colloidal fluid is placed in high speed dispersor, dispersion glue is obtained with the rotating speed high speed dispersion of 3000r/min；It counts in parts by weight, it will
60 parts of polystyrene and 30 parts of vinyl acetate resin mixing, obtain hybrid resin, hybrid resin are poured into equipped with 60 parts of styrene
Three-necked flask in, be heated to 80 DEG C to three-necked flask, start blender, be dispersed with stirring with the rotating speed of 300r/min, protect
Temperature is stirred to react 4h, and discharging is naturally cooling to room temperature and obtains low shrinkage additive；By tri- ethyl alcohol of 50gE-51 epoxy resin and 4g
Amine is added in three-necked flask, and oil bath heating is warming up to 70 DEG C, is started blender, is started to stir with the rotating speed of 300r/min, with drop
40mL acrylic acid is added dropwise into three-necked flask with the drop rate of 2mL/min to four-hole boiling flask for liquid funnel, reacts 2h, obtains epoxy
Acroleic acid resin；Continue to add in 10mL trimethylolpropane allyl ethers into three-necked flask, be warming up to 90 DEG C, insulation reaction
1h adds 8 parts of toluene di-isocyanate(TDI)s, and after being cooled to 110 DEG C, it is dilute that 20 parts of propylene glycol monomethyl ethers progress are added in into three-necked flask
It releases, continues to be cooled to 80 DEG C, it is 8.0 to add in reaction solution pH in triethylamine and distilled water adjusting four-hole boiling flask, is gone out after stirring 20min
Material obtains modified epoxy acrylate resin；Count in parts by weight, weigh 70 parts of modified epoxy acrylate resins, 5 parts dispersion glues,
8 parts of isophorones, 10 parts of low shrinkage additives are put into high speed dispersor, with the rotating speed high speed dispersion 15min of 2000r/min
Afterwards, lower shrinkage ultraviolet-curing paint is obtained.
Example 2
The sodium aluminate solution that 750mL mass fractions are 20% is put into plastic channel, is led to the rate of 25mL/min into plastic channel
Carbon dioxide gas 42min, after ventilation, standing sedimentation 3.5h obtains sedimentation mixture, and sedimentation mixture is placed on square position
In filter, filtering removal filtrate obtains filter residue, and filter residue is placed in baking oven, is heated to 95 DEG C, and dry 4.5h obtains hydrogen
Alumina powder；Aluminium hydroxide powder is placed in high pressure draught machine, air-flow crushing 12min, obtains the hydrogen-oxygen that grain size is 70 μm
Change aluminium superfine powder, 210g aluminium hydroxide superfine powders are poured into the sodium silicate solution equipped with 525mL mass fractions 30%, obtain glue
Colloidal fluid is placed in high speed dispersor and obtains dispersion glue with the rotating speed high speed dispersion of 3150r/min by shape liquid；In parts by weight
65 parts of polystyrene and 35 parts of vinyl acetate resins are mixed, obtain hybrid resin, hybrid resin is poured into equipped with 65 parts of benzene by meter
In the three-necked flask of ethylene, 85 DEG C are heated to three-necked flask, starts blender, with the rotating speed stirring point of 320r/min
It dissipates, insulated and stirred reaction 4.5h, discharging is naturally cooling to room temperature and obtains low shrinkage additive；By 55gE-51 epoxy resin and 4g
Triethanolamine is added in three-necked flask, and oil bath heating is warming up to 75 DEG C, is started blender, is started to stir with the rotating speed of 320r/min
It mixes, 45mL acrylic acid is added dropwise into three-necked flask with the drop rate of 2mL/min to four-hole boiling flask with dropping funel, react
2.5h obtains epoxy acrylic resin；Continue to add in 12mL trimethylolpropane allyl ethers into three-necked flask, be warming up to
92 DEG C, insulation reaction 1.5h, 9 parts of toluene di-isocyanate(TDI)s are added, after being cooled to 115 DEG C, 25 parts are added in into three-necked flask
Propylene glycol monomethyl ether is diluted, and continues to be cooled to 80 DEG C, is added in reaction solution pH in triethylamine and distilled water adjusting four-hole boiling flask and is
Discharging obtains modified epoxy acrylate resin after 8.2, stirring 22min；It counts in parts by weight, weighs 75 parts of modified epoxy acrylic acid
Resin, 7 parts of dispersion glues, 10 parts of isophorones, 12 parts of low shrinkage additives are put into high speed dispersor, with 2500r/min's
After rotating speed high speed dispersion 16min, lower shrinkage ultraviolet-curing paint is obtained.
Example 3
The sodium aluminate solution that 800mL mass fractions are 20% is put into plastic channel, is led to the rate of 30mL/min into plastic channel
Carbon dioxide gas 45min, after ventilation, standing sedimentation 4h obtains sedimentation mixture, and sedimentation mixture is placed on square position mistake
In filter, filtering removal filtrate obtains filter residue, and filter residue is placed in baking oven, is heated to 100 DEG C, and dry 5h obtains hydrogen-oxygen
Change aluminium powder material；Aluminium hydroxide powder is placed in high pressure draught machine, air-flow crushing 15min, obtains the hydroxide that grain size is 80 μm
220g aluminium hydroxide superfine powders are poured into the sodium silicate solution equipped with 550mL mass fractions 30%, obtain glue by aluminium superfine powder
Colloidal fluid is placed in high speed dispersor and obtains dispersion glue with the rotating speed high speed dispersion of 3300r/min by liquid；In parts by weight
70 parts of polystyrene and 40 parts of vinyl acetate resins are mixed, obtain hybrid resin, hybrid resin is poured into equipped with 70 parts of benzene by meter
In the three-necked flask of ethylene, 90 DEG C are heated to three-necked flask, starts blender, with the rotating speed stirring point of 350r/min
It dissipates, insulated and stirred reaction 5h, discharging is naturally cooling to room temperature and obtains low shrinkage additive；By 60 gE-51 epoxy resin and 5g
Triethanolamine is added in three-necked flask, and oil bath heating is warming up to 80 DEG C, is started blender, is started to stir with the rotating speed of 350r/min
It mixes, 50mL acrylic acid is added dropwise into three-necked flask with the drop rate of 3mL/min to four-hole boiling flask with dropping funel, reacts 3h,
Obtain epoxy acrylic resin；Continue to add in 15mL trimethylolpropane allyl ethers into three-necked flask, be warming up to 95 DEG C,
Insulation reaction 2h adds 10 parts of toluene di-isocyanate(TDI)s, and after being cooled to 120 DEG C, 30 parts of propylene glycol are added in into three-necked flask
Methyl ether is diluted, and continues to be cooled to 80 DEG C, and it is 8.5 to add in reaction solution pH in triethylamine and distilled water adjusting four-hole boiling flask, is stirred
Discharging obtains modified epoxy acrylate resin after mixing 25min；Count in parts by weight, weigh 80 parts of modified epoxy acrylate resins,
10 parts of dispersion glues, 12 parts of isophorones, 15 parts of low shrinkage additives are put into high speed dispersor, with the rotating speed of 3000r/min
After high speed dispersion 18min, lower shrinkage ultraviolet-curing paint is obtained.
Comparative example
It is ultraviolet to lower shrinkage produced by the present invention as a comparison case with the lower shrinkage ultraviolet-curing paint that Suzhou company produces
Lower shrinkage ultraviolet-curing paint in photocureable coating and comparative example carries out performance detection, and testing result is as shown in table 1：
1st, test method：
Flexibility test is detected with flexibility tester, observes coating embrittlement situation；
Hardness test is represented using pencil hardness；
Table 1
| Test event | Example 1 | Example 2 | Example 3 | Comparative example |
| Flexibility | Not embrittlement | Not embrittlement | Not embrittlement | Embrittlement |
| Hardness（H） | 4H | 4H | 4H | 2H |
| Adhesive force（Grade） | 0 | 1 | 1 | 4 |
| Tensile strength（MPa） | 40 | 41 | 42 | 31 |
The flexibility of lower shrinkage ultraviolet-curing paint produced by the present invention is good according to above-mentioned middle data, and tensile strength is high,
So as to reduce the cure shrinkage of ultraviolet-curing paint, the flexibility for increasing paint film has broad application prospects.
Claims (7)
1. a kind of preparation method of lower shrinkage ultraviolet-curing paint, it is characterised in that specifically preparation process is：
（1）700~800mL sodium aluminate solutions are put into plastic channel, carbon dioxide gas is led into plastic channel, ventilation finishes
Afterwards, standing sedimentation obtains sedimentation mixture, and sedimentation mixture is placed in horizontal table filter, and filtering removal filtrate obtains filter residue,
Filter residue is placed in baking oven, heat temperature raising, it is dry, obtain aluminium hydroxide powder；
（2）Aluminium hydroxide powder is placed in high pressure draught machine, air-flow crushing, obtains aluminium hydroxide superfine powder, by 200~220g
Aluminium hydroxide superfine powder is poured into equipped in 500~550mL sodium silicate solutions, obtains colloidal fluid, and colloidal fluid is placed in high speed dispersion
Machine middling speed disperses to obtain dispersion glue；
（3）It counts in parts by weight, 60~70 parts of polystyrene and 30~40 parts of vinyl acetate resins is mixed, obtain compound tree
Fat pours into hybrid resin in the three-necked flask equipped with 60~70 parts of styrene, to three-necked flask heat temperature raising, starts blender
It is dispersed with stirring, insulated and stirred reaction, discharging is naturally cooling to room temperature and obtains low shrinkage additive；
（4）50~60 gE-51 epoxy resin and 4~5g triethanolamines are added in three-necked flask, oil bath heating heating starts
Blender starts to stir, and 40~50mL acrylic acid is added dropwise into three-necked flask to four-hole boiling flask with dropping funel, ring is obtained by the reaction
Oxypropylene acid resin；
（5）Continue to add in 10~15mL trimethylolpropane allyl ethers into three-necked flask, heating, insulation reaction, then add
Enter 8~10 parts of toluene di-isocyanate(TDI)s, cool down, 20~30 parts of propylene glycol monomethyl ethers are added in into four-hole boiling flask and are diluted, are continued
Cooling, adds in triethylamine and distilled water adjusts reaction solution pH in three-necked flask, and discharging after stirring obtains modified epoxy acrylic acid tree
Fat；
（6）Count in parts by weight, weigh 70~80 parts of modified epoxy acrylate resins, 5~10 parts dispersion glues, 8~12 parts it is different
After phorone, 10~15 parts of low shrinkage additives are put into the dispersion of high speed dispersor high speed, obtain the curing of lower shrinkage ultraviolet light and apply
Material.
2. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（1）The mass fraction of the sodium aluminate solution is 20%, and Ventilation Rate is 20~30mL/min, duration of ventilation for 40~
45min, standing sedimentation time are 3~4h, and temperature is 90~100 DEG C after heat temperature raising, and drying time is 4~5h.
3. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（2）The air-flow crushing time is 10~15min, and the grain size of aluminium hydroxide superfine powder is 50~80 μm, sodium silicate solution
Mass fraction is 30%, and high speed dispersor rotating speed is 3000~3300r/min.
4. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（3）Described is 80~90 DEG C to temperature after three-necked flask heat temperature raising, and speed of agitator is 300~350r/min, insulated and stirred
Reaction time is 4~5h.
5. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（4）Temperature is 70~80 DEG C after described oil bath heating heating, and speed of agitator is 300~350r/min, drop rate for 2~
3mL/min, reaction time are 2~3h.
6. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（5）Temperature is 90~95 DEG C after the heating, and the insulation reaction time is 1~2h, and temperature is 110~120 DEG C after cooling, is continued
Temperature is 80 DEG C after cooling, and it is 8.0~8.5 to add in reaction solution pH in triethylamine and distilled water adjusting three-necked flask, mixing time
For 20~25min.
7. a kind of preparation method of lower shrinkage ultraviolet-curing paint according to claim 1, it is characterised in that：Step
（6）The high speed dispersor rotating speed is 2000~3000r/min, and the high speed dispersion time is 15~18min.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016278A (en) * | 2019-03-06 | 2019-07-16 | 常州市三伊化工有限公司 | A kind of preparation method of the anti-scratch black finish of dumb light |
| CN110305519A (en) * | 2019-06-12 | 2019-10-08 | 王银梅 | A kind of preparation method of high grade of transparency flatting silica |
| CN110396867A (en) * | 2019-06-12 | 2019-11-01 | 刘雄 | A kind of preparation method of food packaging leaching membrane paper |
| CN114574075A (en) * | 2022-04-12 | 2022-06-03 | 江苏中基复合材料有限公司 | Aluminum foil for resin-coated aluminum foil cover plate and preparation method thereof |
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|---|---|---|---|---|
| CN104910757A (en) * | 2015-05-11 | 2015-09-16 | 广德美涂士化工有限公司 | Heat-resistant ultraviolet curing coating |
| CN107022283A (en) * | 2017-03-28 | 2017-08-08 | 常州大学 | A kind of preparation method of ultraviolet light curing cathodic electrophoretic coating compound resin |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910757A (en) * | 2015-05-11 | 2015-09-16 | 广德美涂士化工有限公司 | Heat-resistant ultraviolet curing coating |
| CN107022283A (en) * | 2017-03-28 | 2017-08-08 | 常州大学 | A kind of preparation method of ultraviolet light curing cathodic electrophoretic coating compound resin |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016278A (en) * | 2019-03-06 | 2019-07-16 | 常州市三伊化工有限公司 | A kind of preparation method of the anti-scratch black finish of dumb light |
| CN110305519A (en) * | 2019-06-12 | 2019-10-08 | 王银梅 | A kind of preparation method of high grade of transparency flatting silica |
| CN110396867A (en) * | 2019-06-12 | 2019-11-01 | 刘雄 | A kind of preparation method of food packaging leaching membrane paper |
| CN114574075A (en) * | 2022-04-12 | 2022-06-03 | 江苏中基复合材料有限公司 | Aluminum foil for resin-coated aluminum foil cover plate and preparation method thereof |
| CN114574075B (en) * | 2022-04-12 | 2023-01-20 | 江苏中基复合材料有限公司 | Aluminum foil for resin-coated aluminum foil cover plate and preparation method thereof |
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