CN109852115A - A kind of LED-UV photocuring solventless varnish - Google Patents
A kind of LED-UV photocuring solventless varnish Download PDFInfo
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- CN109852115A CN109852115A CN201910169523.1A CN201910169523A CN109852115A CN 109852115 A CN109852115 A CN 109852115A CN 201910169523 A CN201910169523 A CN 201910169523A CN 109852115 A CN109852115 A CN 109852115A
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- led
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- activated monomer
- photoinitiator
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Abstract
A kind of LED-UV photocuring solventless varnish, including the priming paint and finishing coat being used cooperatively;The wherein component of priming paint preparation are as follows: LED-UV dedicated modified acrylate 40-50%, activated monomer 30-40%, LED-UV dedicated photoinitiator 5-6%, dispersing agent 0-1%, defoaming agent 0-1%, filler 10-15%, levelling agent 0-1%;The component of finishing coat preparation are as follows: the dedicated photoinitiator 4-6% of mass fraction %LED-UV dedicated modified acrylate 40-55%, activated monomer 35-45%, LED-UV, dispersing agent 0-1%, defoaming agent 0-1%, flatting silica 5-10%, levelling agent 0-1%, oxygen inhibition problem can be broken through by preparing varnish product, can eliminate coating pin hole, improve corrosion resistance, realize the solidification of paint film surface layer, ordor removing is clear, without xanthochromia, there is excellent physicochemical property.
Description
Technical field
The present invention relates to IPC classification C09D paint composition production technology, especially a kind of LED-UV photocuring is solvent-free
Varnish.
Background technique
UV paint is ultraviolet photo-curing paint, also referred to as light-initiated coating, photocureable coating.It is by the automatic roller of machinery equipment
It applies, in showering to furniture plate surface, promotes decomposition of initiator under the irradiation of ultraviolet light, generate free radicals, cause resin reaction, wink
Between film-forming, be current most environmentally friendly paint.As possessed by it efficiently, environmental protection, good mechanical property is in furniture row for UV paint
Extensive popularization has been obtained in industry.
Currently, the light source of most of UV paint at present is mercury lamp, mercury lamp equipment volume is big, and the starting time is slow, excitation
Spectral band is wide, and play solidification mainly an interim Duan Bochang, all band be it is useless, be absorbed by the product and turn
Thermal energy is turned to, and is also easy to produce ozone in operational process, energy consumption is big and service life is short, about 1000h, most it is worth noting that containing
Mercury, discarded post-processing is improper, and to environmental and human health impacts, all there is some potential safety problemss.And LED-UV light source equipment is small
Ingeniously, it consumes energy low, plug and play, wave band is single, consumes energy low, and basic ozone free generates, and long service life, up to 20000h.Change
Into applicable LED-UV product in just include LED-UV photocuring solventless varnish.
The patent application publication for being related to LED-UV photocureable coating and solventless varnish is less.Such as:
Chinese patent application 201710150739.4 discloses a kind of low-viscosity solvent-free epoxy resin varnish and preparation method, described
Varnish includes two components, and each component chinese raw materials is in percentage by weight, specific as follows: component A: epoxy resin 60-80%,
Reactive diluent 5-20%, function additive 1-3%;B component: cashew nut shell oil curing agent 70-85%, reactive diluent 5-20%,
Dispersing agent 0.5-1.5%;The weight ratio of component A and B component is 1.5-2.5:1.
Chinese patent application 201510273203.2 is related to being suitable for the solidification of marine ship corrosion-resistant LED-UV cold light quickly
Repair coating and its preparation method, it is characterised in that including following each component: LED-UV resin 25-55%, LED-UV monomer 10-
25%, LED-UV photoinitiator 10-14%, LED-UV polymerization inhibitor 0.05-0.1%, LED-UV defoaming agent 0.3-0.8%, LED-
UV substrate wetting agents 0.05-0.2%, LED-UV levelling agent 0.6-1%, LED-UV dispersing agent 0.1-0.5%, filler 1.5-
7.5%, macromolecule organic wax powder 0.2-0.6%, LED-UV organosilicon/inorganic nano-hybrid material 5-50%.
LED-UV photocuring solventless varnish common at this stage, which still has several drawbacks, to be limited its application, wherein wrapping
Include: the solidification of surface layer brought by oxygen inhibition is not thorough, and is affected by it, and the mechanicalness of lower one of coating adhesive force and totality is caused
It can reduction;Meanwhile xanthochromia is obvious when film curing, and smell is larger.
Summary of the invention
The object of the present invention is to provide a kind of LED-UV photocuring solventless varnish, solve the solidification of oxygen inhibition paint film surface layer
Problem, ordor removing is clear, no xanthochromia, has excellent physicochemical property.
The purpose of the present invention is realized by following technical measures:
Including the priming paint and finishing coat being used cooperatively;The wherein component of priming paint preparation are as follows:
Material name | Mass fraction % |
The dedicated modified acrylate of LED-UV | 40-50% |
Activated monomer | 30-40% |
The dedicated photoinitiator of LED-UV | 5-6% |
Dispersing agent | 0-1% |
Defoaming agent | 0-1% |
Filler | 10-15% |
Levelling agent | 0-1% |
The component of finishing coat preparation are as follows:
Material name | Mass fraction % |
The dedicated modified acrylate of LED-UV | 40-55% |
Activated monomer | 35-45% |
The dedicated photoinitiator of LED-UV | 4-6% |
Dispersing agent | 0-1% |
Defoaming agent | 0-1% |
Flatting silica | 5-10% |
Levelling agent | 0-1% |
Priming paint preparation process are as follows: the dedicated modified acrylate of LED-UV and amount of activated monomer are added in painting cylinder,
It is gradually added the dedicated photoinitiator of LED-UV, dispersing agent, defoaming agent, levelling agent under 800~1000rpm revolving speed, stirs evenly
Filler high speed dispersion 15min under 1000~1200rpm revolving speed is added afterwards, fineness is controlled at 25~30 μm, finally single with activity
Body adjusts viscosity to 100~120cp.
Finishing coat preparation process are as follows: the dedicated modified acrylate of LED-UV and amount of activated monomer are added in painting cylinder,
It is gradually added the dedicated photoinitiator of LED-UV, dispersing agent, defoaming agent, levelling agent under 800~1000rpm revolving speed, stirs evenly
Flatting silica high speed dispersion 15min under 1000~1200rpm revolving speed is added afterwards, fineness is controlled at 25~30 μm, finally with activity
Monomer adjusts viscosity to 100~120cp.
It is raw materials used for priming paint:
Wherein, the dedicated modified acrylate of LED-UV used is the dedicated modified acrylate of one or more of LED-UV,
Paint film adhesion is improved, there is certain flexibility.
Wherein, activated monomer PO-NPGDA (the third oxidation neopentylglycol diacrylate) used, DPGDA (dipropylene glycol two
Acrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trihydroxy methyl
Propane triacrylate), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or combination.
Wherein, photoinitiator used is the dedicated photoinitiator of LED-UV: several dedicated photoinitiator combinations of LED-UV.
Wherein, dispersing agent used is for low molecular weight unsaturation polycarboxylic acid polymers or in the polymer containing acidic-group
At least one or combination.
Wherein, defoaming agent used is the modified polyorganosiloxane of BYK (Bi Ke) company or the offer of EFKA (Efka) company, gathers
One of methyl alkyl siloxane or modified polypropene acid polymer or combination.
Wherein, levelling agent used is one of polyacrylate or fluorine richness polyacrylate or combination.
Wherein, filler used is one of 600 mesh, 800 mesh, 1250 mesh talcum powder, transparent powder or combination.
It is raw materials used for finishing coat:
Wherein, the dedicated modified acrylate of LED-UV used is the dedicated modified acrylate of one or more LED-UV, is mentioned
High paint film adhesion has certain flexibility.
Wherein, activated monomer PO-NPGDA (the third oxidation neopentylglycol diacrylate) used, DPGDA (dipropylene glycol two
Acrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trihydroxy methyl
Propane triacrylate), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or combination.
Wherein, photoinitiator used is the dedicated photoinitiator of LED-UV: several dedicated photoinitiator combinations of LED-UV.
Wherein, dispersing agent used is for low molecular weight unsaturation polycarboxylic acid polymers or in the polymer containing acidic-group
At least one or combination.
Wherein, defoaming agent used is the modified polyorganosiloxane of BYK (Bi Ke) company or the offer of EFKA (Efka) company, gathers
One of methyl alkyl siloxane or modified polypropene acid polymer or combination.
Wherein, levelling agent used is one of polyacrylate or fluorine richness polyacrylate or combination.
Wherein, flatting silica used is the C-906 that W. R. Grace & Co provides.
Advantages of the present invention and effect: by the suitable light-cured resin of optimum choice and photoinitiator, in conjunction with other originals
Expect the reasonably combined of auxiliary agent, oxygen inhibition problem can be broken through by preparing varnish product, can eliminate coating pin hole, improve corrosion resistance
Can, realize the solidification of paint film surface layer, ordor removing is clear, no xanthochromia, has excellent physicochemical property.
Specific embodiment
Embodiment 1: priming paint:
Material name | Mass fraction % |
The dedicated modified acrylate of LED-UV | 45% |
Activated monomer | 35.5% |
The dedicated photoinitiator of LED-UV | 6% |
Dispersing agent | 1% |
Defoaming agent | 0.3% |
Filler | 12% |
Levelling agent | 0.2% |
Finishing coat:
Material name | Mass fraction % |
The dedicated modified acrylate of LED-UV | 46% |
Activated monomer | 38.8% |
The dedicated photoinitiator of LED-UV | 6% |
Dispersing agent | 0.5% |
Defoaming agent | 0.2% |
Levelling agent | 0.5% |
Mute powder | 8% |
Embodiment 2: priming paint:
Finishing coat:
Material name | Mass fraction % |
The dedicated modified acrylate of LED-UV | 45% |
Activated monomer | 40.8% |
The dedicated photoinitiator of LED-UV | 5.5% |
Dispersing agent | 0.5% |
Defoaming agent | 0.2% |
Levelling agent | 0.5% |
Mute powder | 7.5% |
The product prepared to the embodiment of the present invention 1 and 2 compares test, and test item and test method are as follows:
Adhesive force test-ASTM D3359 (American National Standard): the painting in 72 hours after the completion of coating with 2mm Checker marking knife
It fills surface and draws 25 lattice, with 3M adhesive tape test;Grade: 5B is best, and 0B is worst;5B is that film is intact: the film of 4B < 5% is damaged;3B is
5~15% films are damaged;2B is that 5~35% films are damaged;1B is that 35%~55% film is damaged;The film of 0B > 55% is damaged;
Gloss ASTM D523-89: first having corrected gloss meter before test, place sample under gloss meter, read using 60 degree of angles
Number at least reads three numerical value, is averaged.
Scratch resistance test: using BYK adhesive force and scratch resistance tester, passes through kilogram number test result of counterweight.
Resistance to rising-heat contracting-cold test-KCMA A161.1: template is placed at room temperature 24 hours, then in 50 degree of baking ovens
It places 24 hours, removes baking oven and continue to be put in initially at room temperature, observe template situation;
Resistance to dish washing liquid and water test-KCMA A161.1: with 0.5% dish washing liquid solution, test board being put into solution,
It places 24 hours, observes the case where impregnating part;
Cold cycling test-ASTM D1211: (hot 50 DEG C of temperature 1hr hour is without interval/low temperature 1hr hour -20 for cold cycling
DEG C, room temperature X4 times.
Test result is as follows:
From above-mentioned contrast test result as it can be seen that the LED-UV solventless varnish produced to can be realized paint film surface layer solid
Change, there is excellent physicochemical property, ordor removing, no xanthochromia.
Explanation disclosed in above-described embodiment is professional and technical personnel in the field it will be appreciated that the present invention, therefore, of the invention
It will not be defined to the embodiments shown herein, and be to fit to consistent with principles of this disclosure most wide
Range.
Claims (5)
1. a kind of LED-UV photocuring solventless varnish, which is characterized in that including the priming paint and finishing coat being used cooperatively;Wherein priming paint
The component of preparation are as follows:
The component of finishing coat preparation are as follows:
Priming paint preparation process are as follows: the dedicated modified acrylate of LED-UV and amount of activated monomer are added in painting cylinder, 800
It is gradually added the dedicated photoinitiator of LED-UV, dispersing agent, defoaming agent, levelling agent under~1000rpm revolving speed, is stirring evenly and then adding into
Filler high speed dispersion 15min under 1000~1200rpm revolving speed, fineness are controlled at 25~30 μm, are finally adjusted with activated monomer
Viscosity is to 100~120cp;
Finishing coat preparation process are as follows: the dedicated modified acrylate of LED-UV and amount of activated monomer are added in painting cylinder, 800
It is gradually added the dedicated photoinitiator of LED-UV, dispersing agent, defoaming agent, levelling agent under~1000rpm revolving speed, is stirring evenly and then adding into
Flatting silica high speed dispersion 15min under 1000~1200rpm revolving speed, fineness are controlled at 25~30 μm, finally with activated monomer tune
Viscosity is saved to 100~120cp.
2. a kind of LED-UV photocuring solventless varnish as described in claim 1, which is characterized in that for original used in priming paint
Material:
Wherein, activated monomer PO-NPGDA (the third oxidation neopentylglycol diacrylate) used, DPGDA (two propylene of dipropylene glycol
Acid esters), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trimethylolpropane
Triacrylate), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or two kinds of combination of the above;
Wherein, dispersing agent used be in low molecular weight unsaturation polycarboxylic acid polymers or polymer containing acidic-group at least
One or two or more kinds combination;
Wherein, defoaming agent used is one in modified polyorganosiloxane, poly- methyl alkyl siloxane or modified polypropene acid polymer
Kind or two kinds of combination of the above;
Wherein, levelling agent used is one of polyacrylate or fluorine richness polyacrylate or two kinds of combinations;
Wherein, filler used is one of 600 mesh, 800 mesh, 1250 mesh talcum powder or transparent powder or two kinds of combination of the above.
3. a kind of LED-UV photocuring solventless varnish as described in claim 1, which is characterized in that for original used in finishing coat
Material:
Wherein, activated monomer PO-NPGDA (the third oxidation neopentylglycol diacrylate) used, DPGDA (two propylene of dipropylene glycol
Acid esters), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trimethylolpropane
Triacrylate), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or two kinds of combination of the above;
Wherein, dispersing agent used be in low molecular weight unsaturation polycarboxylic acid polymers or polymer containing acidic-group at least
One or two or more kinds combination;
Wherein, defoaming agent used is one in modified polyorganosiloxane, poly- methyl alkyl siloxane or modified polypropene acid polymer
Kind or two kinds of combination of the above;
Wherein, levelling agent used is one of polyacrylate or fluorine richness polyacrylate or two kinds of combination of the above.
Wherein, flatting silica used is C-906.
4. a kind of LED-UV photocuring solventless varnish as described in claim 1, which is characterized in that priming paint:
Finishing coat:
5. a kind of LED-UV photocuring solventless varnish as described in claim 1, which is characterized in that priming paint:
Finishing coat:
。
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CN201910169523.1A CN109852115A (en) | 2019-03-06 | 2019-03-06 | A kind of LED-UV photocuring solventless varnish |
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CN201910169523.1A CN109852115A (en) | 2019-03-06 | 2019-03-06 | A kind of LED-UV photocuring solventless varnish |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115960500A (en) * | 2022-10-27 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Pine oil-sealing primer cured by UV mercury lamp light source and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102532967A (en) * | 2011-12-17 | 2012-07-04 | 东莞隽思印刷有限公司 | Rapid curing coating applicable to UV-LED (Ultraviolet-Light-Emitting Diode) light source and preparation method thereof |
CN107573444A (en) * | 2017-10-27 | 2018-01-12 | 天津久日新材料股份有限公司 | A kind of photoinitiator composite available for UV LED light sources |
CN107987715A (en) * | 2017-11-16 | 2018-05-04 | 君子兰化工(上海)有限公司 | American solid wood cabinet sprays environment friendly transparent varnish with high patience UV |
-
2019
- 2019-03-06 CN CN201910169523.1A patent/CN109852115A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102532967A (en) * | 2011-12-17 | 2012-07-04 | 东莞隽思印刷有限公司 | Rapid curing coating applicable to UV-LED (Ultraviolet-Light-Emitting Diode) light source and preparation method thereof |
CN107573444A (en) * | 2017-10-27 | 2018-01-12 | 天津久日新材料股份有限公司 | A kind of photoinitiator composite available for UV LED light sources |
CN107987715A (en) * | 2017-11-16 | 2018-05-04 | 君子兰化工(上海)有限公司 | American solid wood cabinet sprays environment friendly transparent varnish with high patience UV |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115960500A (en) * | 2022-10-27 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Pine oil-sealing primer cured by UV mercury lamp light source and preparation method thereof |
CN115960500B (en) * | 2022-10-27 | 2024-04-16 | 上海君子兰新材料股份有限公司 | Pine oil sealing primer solidified by UV mercury lamp light source and preparation method thereof |
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PB01 | Publication | ||
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Application publication date: 20190607 |