CN109575759A - Modified resistance to boiling hot coating of LED-UV of aeroge and preparation method thereof and application method - Google Patents
Modified resistance to boiling hot coating of LED-UV of aeroge and preparation method thereof and application method Download PDFInfo
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- CN109575759A CN109575759A CN201811442616.9A CN201811442616A CN109575759A CN 109575759 A CN109575759 A CN 109575759A CN 201811442616 A CN201811442616 A CN 201811442616A CN 109575759 A CN109575759 A CN 109575759A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- 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
- C09D7/65—Additives macromolecular
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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
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
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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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
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Abstract
The present invention provides a kind of modified resistance to boiling hot coating of LED-UV of aeroge, is obtained by each component hybrid modulation of following parts by weight: 3 30-45 parts of functional modified o-cresol formaldehyde epoxy acrylate resins；15-20 parts of low energy cured specific functionality acrylic resin；5-10 parts of the acrylated hyperbranched polyester resin of 8 functions；10-23 parts of monomer；4-5 parts of photoinitiator；0.3-0.5 parts of wetting dispersing agent；0.3-0.5 parts of defoaming agent；12-20 parts of nanometer titanium dioxide silica aerogel slurry.The present invention provides a kind of high low energy curing efficiency, environmentally friendly VOC free discharge, LED-UV coating easy for construction, heat-resisting resistance to ironing is good, this coating uses LED-UV lamp during curing and drying, obtained hardness of paint film is high, heat-resisting resistance to boiling hot property is good, surface slip, good hand touch, while the present invention also provides the preparation methods and application method of the resistance to boiling hot coating of this LED-UV.
Description
Technical field
The present invention relates to functional coating technical field, more particularly, to a kind of resistance to boiling hot coating of the modified LED-UV of aeroge and
Preparation method and application method.
Background technique
Used furniture item in daily life, such as desk, tea table, dining table, bar desk outer surface are frequently encountered out
The high temperatures such as water, cigarette butt, the breakage for thereby resulting in surface of the paint film can not repair, and can only be restored by coating again as former state,
The ease of use and service life of furniture are seriously affected.
To solve the above-mentioned problems, many companies research and develop aqueous, oiliness, traditional photocuring and PU two-component etc. in succession
A variety of resistance to boiling hot coating, but all there are many defects in these products, such as: aqueous paint film richness has simultaneously than the difference of oiliness
There is the shortcomings that inadequate hardness of paint film, resistance to heat differential；The PU two-component oil paint time to be done is long, and it is poor that the resistance to cigarette butt of paint film scalds, and constructs
Need to add curing agent and diluent construction, the VOC emission feature of environmental protection is poor；Although the coating of traditional UV photocuring has hardness of paint film
The advantage high, wearability is good, curing efficiency is high, but in the drying process must using high-pressure sodium lamp luminous radiation drying equipment come
Cross-linking and curing reaction is completed, completes to paint film forming solidification, high-pressure sodium lamp has strongly since power is high (generally 80W/cm)
Light intensity brightness, when very strong heat radiation (impinge upon workpiece surface and increase by 20 DEG C of workpiece surface temperature or so) and work, can generate smelly
Oxygen needs matched cooling system, and convenience for construction is poor.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of low energy curing efficiency
High, environmentally friendly VOC free discharge, LED-UV coating easy for construction, heat-resisting resistance to ironing is good, this coating is during curing and drying
Using LED-UV lamp, obtained hardness of paint film is high, heat-resisting resistance to boiling hot property is good, surface slip, good hand touch, while the present invention also provides this
The preparation method and application method of the kind resistance to boiling hot coating of LED-UV.
In order to solve the above technical problem, the present invention provides a kind of modified resistance to boiling hot coating of LED-UV of aeroge, by weighing as follows
The each component hybrid modulation of amount number obtains:
It is preferred that being obtained by each component hybrid modulation of following parts by weight:
It is preferred that being obtained by each component hybrid modulation of following parts by weight:
It is preferred that the 3 functional modified o-cresol formaldehyde epoxy acrylate resin is 3 functional modified o-cresol formaldehydes
Epoxy acrylate oligomer.
It is preferred that the monomer is ethoxylated bisphenol A diacrylate；The photoinitiator is 2,4,6 front threes
Base benzoyl diphenyl phosphine oxide；The nanometer titanium dioxide silica aerogel slurry is 15% nano silica airsetting degumming of content
Dispersion in ethoxylated bisphenol A dipropyl dilute acid ester.
It is preferred that the 3 functional modified o-cresol formaldehyde epoxy acrylate resin selects the AgiSyn of DSM
The dedicated light-cured resin of 9721H high-fire resistance；The cured specific functionality acrylic resin of low energy selects cyanogen specialization work
ADDITOLTM01 product of LED；The acrylated hyperbranched polyester resin of 8 function selects the 6361-100 product in Changxing；Institute
State 2873 product of AgiSyn that monomer selects DSM；The photoinitiator selects promising chemistry 819 product of APi in Shenzhen；It is described to receive
Rice aerosil slurry selects in Shenzhen the AG-P-UV product for coagulating science and technology.
7 it is preferred that, the wetting dispersing agent selects Efka EFKA-4330 product；The defoaming agent selects enlightening
High DEGO2500 product.
The present invention provides a kind of preparation method of modified resistance to boiling hot coating of LED-UV of aeroge, comprising the following steps:
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylates
The cured specific functionality acrylic resin of resin, low energy, the acrylated hyperbranched polyester resin of 8 functions and monomer are added
With painting in container and being uniformly dispersed, photoinitiator, wetting dispersing agent are sequentially added, then with 500-800 revs/min of mixing speed
Stirring 5 minutes or more, until being uniformly mixed, keep mixed material temperature less than 50 DEG C in whipping process；
Step 2: defoaming agent, nanometer titanium dioxide silica aerogel slurry is added, into mixed material obtained by step 1 with 800-
It is dispersed with stirring under 1000 revs/min of speed 25 minutes, that is, the modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made.
It is preferred that mixing speed is 600 revs/min or 700 revs/min in the step 1；In the step 2,
Mixing speed is 900 revs/min.
The present invention provides a kind of application method of modified resistance to boiling hot coating of LED-UV of aeroge, by the modified LED- of the aeroge
Method of the resistance to boiling hot coating of UV by brushing either spraying, by 80-100g/m2Coating weight, be coated in advance polishing and dedusting
Clean coated article body surface face brushes and completes to use LED-UV light irradiation photocuring 5-8 seconds immediately, real aeroge can be obtained and change
The property resistance to boiling hot coating film of LED-UV.
The present invention relates to modified resistance to boiling hot coating of LED-UV of a kind of aeroge and preparation method thereof and application methods, set with existing
Meter is compared, the advantage is that: the modified heat-resisting resistance to boiling hot coating of LED-UV of aeroge of the invention, using the cured special function of low energy
Energy property acrylic resin collocation has the functional modified o-cresol formaldehyde epoxy acrylate resin of photocuring 3 of high-fire resistance, 8 functions
Acrylated hyperbranched polyester resin, and have heat-resisting material nanometer titanium dioxide silica aerogel slurry and good thermal stability
The rational proportions such as monomer, the dedicated photoinitiator of LED, the LED-UV coating with high-fire resistance and resistance to boiling hot property is produced, in object
Body surface face coats the above-mentioned heat-resisting resistance to boiling hot coating of LED-UV, and after the solidification of LED-UV light, gained paint film is compared with traditional coating product
It shows excellent heat resistance and cigarette butt scalds not blackening performance, high rigidity and resistance to marring and outstanding heat-proof water, oil and resistance to
Chemicals energy, LED-UV solidification rate are exceedingly fast, and surface of the paint film densification is smooth, good hand touch, 100 DEG C of boiled water immersion paint film not
Whiten, do not collapse, is not blistering, while being also equipped with the feature of environmental protection, VOC free discharge, low energy solidification is significantly reduced to operator
Injury.The heat-resisting resistance to boiling hot coating of LED-UV of the present invention can be promoted on a large scale using simply.
In addition, the present invention is in use, LED-UV lamp used in drying process is power low (9-12W), the small (photograph of heat radiation
Increase by 3 DEG C or so of temperature in workpiece surface), ozone free generate, be small in size, easy to carry, whenever and wherever possible can scene apply
The LED lamp of work, availability is high, meets environmental protection and safety requirements.
Specific embodiment
Below by embodiment, further description of the technical solution of the present invention, and each embodiment is only used as preferred reality
Mode is applied to illustrate technical solution of the present invention, is not constituted a limitation of the invention.
The modified resistance to boiling hot coating of LED-UV of aeroge of the present invention, each component hybrid modulation including following parts by weight obtain:
The 3 functional modified o-cresol formaldehyde epoxy acrylate resins that the present invention uses are 3 functional modified o-cresol formaldehyde epoxies
Acrylate oligomer, can be in the case where guaranteeing high response, and hardness of paint film is high, good toughness, and thickness is applied and do not cracked, resistance to pyrogen
Reason is the o-cresol formaldehyde epoxy group skeleton structure of the three-dimensional structure modified side chain in addition of the high crosslink density of its 3 functional group,
Solidfied material film forming matter shows excellent thermal stability, mechanical strength, high-fire resistance and chemical-resistant, LED-UV solidification rate
It is exceedingly fast, high rigidity.
The cured specific functionality acrylic resin of the low energy that the present invention uses can be fast under the low energy of LED-UV
Speed solidification opens a kind of new paragon for improving surface cure, introduces faster flowing water producing line, is highly suitable for low energy solidification
System.
The acrylated hyperbranched polyester resin for 8 functions that the present invention uses has that large arch dam, low viscosity, levelling be good, solidification
Speed is fast, surface hardness is high, high glaze, high richness, scratch resistant performance, while also having lower shrinkage, and pigment wettability is good,
The advantages that resin collocation property is good, other resins are compared, the acrylated hyperbranched polyester resin of 8 functions and 3 functional modified o-cresols
The cured specific functionality acrylic resin of aldehyde Epocryl, low energy has better compatibility and higher friendship
Join density, the film of formation has high-crosslinking-degree, good chemical resistance properties energy, and high rigidity is conducive to improve heat-resisting resistance to ironing.
The monomer that the present invention uses is ethoxylated bisphenol A diacrylate, the monomer due to being grafted structure of bisphenol A,
There is excellent heat stability, viscosity is low, and diluting power is good, and curing rate is fast, and hardness is good, and low skin irritability is resistance to after film-forming
The features such as mill property is good, and water resistance is good and impact resistance is good.
The photoinitiator that the present invention uses is 2,4,6 trimethyls for being exclusively used in the UV-LED photocuring system of varnish or colored paint
Benzoyl diphenyl phosphine oxide, high efficiency is light-initiated and color inhibition.
The nanometer titanium dioxide silica aerogel slurry that the present invention uses is 15% nanometer titanium dioxide silica aerogel of content in ethoxy
Change the dispersion in bisphenol-A dipropyl dilute acid ester, is with room temperature thermal coefficient for 0.016W/mK, density 50Kg/m3It is ultralight
High-performance nano SiO2Aeroge is primary raw material, using exclusive special process, by hydrophobic SiO2Aerogel particle is dispersed in
In ethoxylated bisphenol A diacrylate monomer medium, the slurry with efficient heat-resisting performance that is prepared.The drying of the slurry
The thermal coefficient of coating at normal temperature can be down to 0.018W/mK, and dry pulp density is down to 60Kg/m3, aeroge applies after having dried
High heat resistance characteristic can be presented in material again.
Particularly, 3 functional modified o-cresol formaldehyde epoxy acrylate resins select the AgiSyn 9721H high-fire resistance of DSM
Dedicated light-cured resin；The cured specific functionality acrylic resin of low energy selects the ADDITOL of cyanogen specialization workTMLED 01 is produced
Product；The acrylated hyperbranched polyester resin of 8 functions selects the 6361-100 product in Changxing；The AgiSyn 2873 of monomer selection DSM
Product；Photoinitiator selects promising chemistry 819 product of APi in Shenzhen；Wetting dispersing agent selects Efka EFKA-4330 product；Disappear
The DEGO2500 product of infusion selection Digao；Nanometer titanium dioxide silica aerogel slurry selects in Shenzhen the AG-P-UV for coagulating science and technology to produce
Product.
The each component of Examples 1 to 4, weight are as shown in Table 1；UV woodenware commonly used in the prior art is selected in comparative example 1
Paint (exhibition occasion board, ZU55000).The test result of Examples 1 to 4 and comparative example 1 is as shown in Table 2.
Table one
Embodiment 1
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylates
The acrylated hyperbranched polyester resin 10kg of the cured specific functionality acrylic resin 20kg of resin 30kg, low energy, 8 functions
And monomer 23kg is added with painting in container and being uniformly dispersed, and then sequentially adds photoinitiator 4kg, wetting dispersing agent 0.3kg,
Stirred 5 minutes with 500 revs/min of mixing speed or more, until being uniformly mixed, keep mixed material temperature less than 50 in whipping process
℃；
Step 2: defoaming agent 0.4kg, nanometer titanium dioxide silica aerogel slurry are added into mixed material obtained by step 1
The modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made to be dispersed with stirring under 800 revs/min of speed 25 minutes in 12kg, into
Row paint solution performance detection.
Method by the modified resistance to boiling hot coating of LED-UV of gained aeroge by brushing either spraying, by 80g/m2Coating
Amount is coated on polishing and the clean coated article body of dedusting (such as desk, tea table) surface in advance, brushes and completes to use immediately
The modified resistance to boiling hot coating film of LED-UV of aeroge in embodiment 1 can be obtained in LED-UV light irradiation photocuring 5 seconds.
Performance test results are as shown in 1 corresponding data of embodiment in table two.
Embodiment 2
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylates
The acrylated hyperbranched polyester resin 8kg of the cured specific functionality acrylic resin 18kg of resin 35kg, low energy, 8 functions
And monomer 18kg is added with painting in container and being uniformly dispersed, and then sequentially adds photoinitiator 5kg, wetting dispersing agent 0.5kg,
Stirred 5 minutes with 600 revs/min of mixing speed or more, until being uniformly mixed, keep mixed material temperature less than 50 in whipping process
℃；
Step 2: defoaming agent 0.5kg, nanometer titanium dioxide silica aerogel slurry are added into mixed material obtained by step 1
The modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made to be dispersed with stirring under 900 revs/min of speed 25 minutes in 15kg, into
Row paint solution performance detection.
Method by the modified resistance to boiling hot coating of LED-UV of gained aeroge by brushing either spraying, by 90g/m2Coating
Amount is coated on polishing and the clean coated article body of dedusting (such as desk, tea table) surface in advance, brushes and completes to use immediately
The modified resistance to boiling hot coating film of LED-UV of aeroge in embodiment 2 can be obtained in LED-UV light irradiation photocuring 6 seconds.
Performance test results are as shown in 2 corresponding data of embodiment in table two.
Embodiment 3
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylates
The acrylated hyperbranched polyester resin 7kg of the cured specific functionality acrylic resin 16kg of resin 40kg, low energy, 8 functions
And monomer 13kg is added with painting in container and being uniformly dispersed, and then sequentially adds photoinitiator 4.5kg, wetting dispersing agent
0.4kg, stirred 5 minutes with 700 revs/min of mixing speed or more, until being uniformly mixed, mixed material temperature is kept in whipping process
Less than 50 DEG C；
Step 2: defoaming agent 0.4kg, nanometer titanium dioxide silica aerogel slurry are added into mixed material obtained by step 1
The modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made to be dispersed with stirring under 1000 revs/min of speed 25 minutes in 18kg,
Carry out paint solution performance detection.
Method by the modified resistance to boiling hot coating of LED-UV of gained aeroge by brushing either spraying, by 100g/m2Painting
Cloth amount is coated on polishing and the clean coated article body of dedusting (such as desk, tea table) surface in advance, brushes and completes to use immediately
The modified resistance to boiling hot coating film of LED-UV of aeroge in embodiment 3 can be obtained in LED-UV light irradiation photocuring 7 seconds.
Performance test results are as shown in 3 corresponding data of embodiment in table two.
Embodiment 4
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylates
The acrylated hyperbranched polyester resin 5kg of the cured specific functionality acrylic resin 15kg of resin 45kg, low energy, 8 functions
And monomer 10kg is added with painting in container and being uniformly dispersed, and then sequentially adds photoinitiator 4kg, wetting dispersing agent 0.4kg,
Stirred 5 minutes with 800 revs/min of mixing speed or more, until being uniformly mixed, keep mixed material temperature less than 50 in whipping process
℃；
Step 2: defoaming agent 0.3kg, nanometer titanium dioxide silica aerogel slurry are added into mixed material obtained by step 1
The modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made to be dispersed with stirring under 1000 revs/min of speed 25 minutes in 20kg,
Carry out paint solution performance detection.
Method by the modified resistance to boiling hot coating of LED-UV of gained aeroge by brushing either spraying, by 80g/m2Coating
Amount is coated on polishing and the clean coated article body of dedusting (such as desk, tea table) surface in advance, brushes and completes to use immediately
The modified resistance to boiling hot coating film of LED-UV of aeroge in embodiment 4 can be obtained in LED-UV light irradiation photocuring 8 seconds.
Performance test results are as shown in 4 corresponding data of embodiment in table two.
Comparative example 1
Select UV woodcare paint commonly used in the prior art (exhibition occasion board, ZU55000) as a comparison case 1.
Method by common UV woodcare paint by brushing either spraying, by 80g/m2Coating weight, be coated in advance
It polishes and the clean coated article body of dedusting (such as desk, tea table) surface, brushing is completed to use high voltage mercury lamp radiation light immediately
Solidification 8 seconds, can be obtained the UV woodcare paint film in comparative example 1.
Performance test results are as shown in 1 corresponding data of comparative example in table two.
Table two
It is obtained by above-mentioned table two, the modified heat-resisting resistance to boiling hot coating environmental protection VOC free of LED-UV of the aeroge of the various embodiments described above 1-4
Discharge, after the solidification of low energy LED-UV light, curing performance is good, paint film is high with transparency, gloss is stable, hardness is high,
The good feature of wearability.Embodiment 1-4 is compared with comparative example, the comprehensive property with traditional UV woodcare paint of embodiment 1-4 paint film
It can be quite；And paint film has obvious outstanding advantage in terms of boiling water resistance, resistance to cigarette calcination.
Claims (10)
1. a kind of modified resistance to boiling hot coating of LED-UV of aeroge, which is characterized in that by each component hybrid modulation of following parts by weight
It obtains:
2. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to claim 1, which is characterized in that by following weight
The each component hybrid modulation of number obtains:
3. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to claim 1, which is characterized in that by following parts by weight
Several each component hybrid modulations obtain:
4. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to claim 1, which is characterized in that 3 function changes
Property o-cresol formaldehyde epoxy acrylate resin be 3 functional modified o-cresol formaldehyde epoxy acrylate oligomer.
5. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to claim 1, which is characterized in that the monomer is second
Aoxidize bisphenol a diacrylate；The photoinitiator is 2,4,6 trimethylbenzoyl diphenyl phosphine oxides；The nano-silica
SiClx aeroge slurry is dispersion of the 15% nano silica airsetting degumming of content in ethoxylated bisphenol A dipropyl dilute acid ester
Body.
6. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to any one of claims 1-5, which is characterized in that institute
State the dedicated photocuring tree of AgiSyn 9721H high-fire resistance that 3 functional modified o-cresol formaldehyde epoxy acrylate resins select DSM
Rouge；The cured specific functionality acrylic resin of low energy selects the ADDITOL of cyanogen specialization workTM01 product of LED；Described 8
The acrylated hyperbranched polyester resin of function selects the 6361-100 product in Changxing；The monomer selects the AgiSyn 2873 of DSM
Product；The photoinitiator selects promising chemistry 819 product of APi in Shenzhen；The nanometer titanium dioxide silica aerogel slurry is selected deep
The AG-P-UV product of science and technology is coagulated in ditch between fields.
7. the modified resistance to boiling hot coating of LED-UV of a kind of aeroge according to any one of claims 1-5, which is characterized in that institute
It states wetting dispersing agent and selects Efka EFKA-4330 product；The defoaming agent selects the DEGO2500 product of Digao.
8. a kind of preparation method of the modified resistance to boiling hot coating of LED-UV of aeroge as claimed in any one of claims 1-3, special
Sign is, comprising the following steps:
Step 1: under conditions of avoiding daylight or ultraviolet light, by 3 functional modified o-cresol formaldehyde epoxy acrylate trees
The cured specific functionality acrylic resin of rouge, low energy, the acrylated hyperbranched polyester resin of 8 functions and monomer addition are matched
It in paint container and is uniformly dispersed, then sequentially adds photoinitiator, wetting dispersing agent, stirred with 500-800 revs/min of mixing speed
It mixes 5 minutes or more, until being uniformly mixed, keeps mixed material temperature less than 50 DEG C in whipping process；
Step 2: defoaming agent, nanometer titanium dioxide silica aerogel slurry is added, into mixed material obtained by step 1 with 800-1000
Rev/min speed under be dispersed with stirring 25 minutes, that is, the modified resistance to boiling hot coating of LED-UV of aeroge of the present invention is made.
9. a kind of preparation method of the modified resistance to boiling hot coating of LED-UV of aeroge according to claim 8, which is characterized in that institute
It states in step 1, mixing speed is 600 revs/min or 700 revs/min；In the step 2, mixing speed is 900 revs/min.
10. a kind of application method of the modified resistance to boiling hot coating of LED-UV of aeroge as claimed in any one of claims 1-3, special
Sign is, by the modified resistance to boiling hot coating of LED-UV of the aeroge by brushing the method either sprayed, by 80-100g/m2's
Coating weight is coated on polishing and the clean coated article body surface face of dedusting in advance, brushes and completes to use LED-UV light irradiation light immediately
The modified resistance to boiling hot coating film of LED-UV of real aeroge can be obtained in solidification 5-8 seconds.
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| CN201811442616.9A CN109575759A (en) | 2018-11-29 | 2018-11-29 | Modified resistance to boiling hot coating of LED-UV of aeroge and preparation method thereof and application method |
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| CN201811442616.9A CN109575759A (en) | 2018-11-29 | 2018-11-29 | Modified resistance to boiling hot coating of LED-UV of aeroge and preparation method thereof and application method |
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| CN109575759A true CN109575759A (en) | 2019-04-05 |
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| CN111471374A (en) * | 2019-12-16 | 2020-07-31 | 广东一纳科技有限公司 | Composition, preparation method and application of composition in L ED-UV cured heat dissipation coating |
| CN111978768A (en) * | 2020-09-09 | 2020-11-24 | 太仓康源化建医药有限公司 | Preparation method of high-toughness UV finishing varnish |
| CN113402914A (en) * | 2021-06-21 | 2021-09-17 | 无锡博加电子新材料有限公司 | UV coating for temporary protection of tin plate |
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