CN103923549B - Water-based Lacquer finish one-component coating and the preparation method of acrylic-amino resin - Google Patents
Water-based Lacquer finish one-component coating and the preparation method of acrylic-amino resin Download PDFInfo
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Abstract
The present invention relates to a kind of water-based Lacquer finish one-component coating of acrylic-amino resin, the acrylic resin that raw material comprises adopts Tissuemat E grafted and modified acrylic resin resin, consumption is the Tissuemat E grafted and modified acrylic resin resin that contains 20-40 weight portion in every 100 weight portion coating, and in this coating, does not add wax emulsion. Water-based overprint coating of the present invention adopts Tissuemat E grafted and modified acrylic resin resin to replace the mode by adding wax emulsion, improve the wearability of coating, the performances such as mechanical property, and adopt Tissuemat E directly to add in reactor, can significantly improve Tissuemat E is grafted on acrylic resin strand, percent grafting >=97%, this coating is water paint, preparation and use safety, environmental protection; There is the mechanical property of high glaze, high richness, excellence.
Description
[technical field]
The invention belongs to acrylic-amino resin technical field of coatings, relate to one and there is the high damage resistant of high abrasionWater-based Lacquer finish one-component coating and the preparation method of the acrylic-amino resin of high weather resistant.
[background technology]
Along with people are more and more higher to the requirement of environmental protection, solvent based coating is replaced by water paint gradually, water-basedIn priming paint (as electrophoretic coating), water-based, be coated with and engender, but water-based overprint coating is due to gloss appearance, plentifulThe performances such as degree, scratch resistance, wearability are difficult to reach the performance of solvent-borne type finishing varnish, so also there is no large faceLong-pending popularization. But through practitioner's unremitting effort, prepare gradually the water-based that reaches solvent-borne type finishing varnish performanceOverprint coating, Environmental Safety.
Patent of invention (CN103305043A) discloses a kind of thermoset acrylics wheel hub dedicated hood lac varnish, paintFilm is smooth, become thickness, levelling is good, richness is high, gloss is high, hardness is high and have excellent weather resistance, but this coverLac varnish is solvent type, and VOC content is high, and not environmental protection is constructed also dangerous.
So be badly in need of developing a water-based overprint coating with the high weather resistant of the high damage resistant of high abrasion, reachEven exceed the performance of solvent-borne type finishing varnish.
[summary of the invention]
The object of this invention is to provide the high damage resistant of a kind of high abrasion high weather resistant water-based overprint coating and preparation thereofMethod, this product has mechanical property and the scratch resistance of high glaze, high richness, excellence, aqueous, environmental protectiveSafety, high-wearing feature (1000g/800 turns) weightlessness≤0.010g, also has very excellent weather resistance,Through 2500 hours QUV degradations, loss of gloss rate≤10%, Δ E≤1.0.
In order to solve the problems of the technologies described above, the invention provides a kind of water-based Lacquer finish list group of acrylic-amino resinPart coating, the acrylic resin that raw material comprises adopts Tissuemat E grafted and modified acrylic resin resin, and consumption isThe Tissuemat E grafted and modified acrylic resin resin that contains 20-40 weight portion in every 100 weight portion coating, have andIn this coating, do not add wax emulsion.
The present invention also comprises the preparation method of this coating, and described preparation method for coating is by poly-20-40 weight portion secondAlkene wax grafted and modified acrylic resin resin and 6-12 weight portion amino resins add in reaction vessel, stir 30 minutes mixedClose evenly, then add 0.4-0.8 weight portion nertralizer to stir 30 minutes, then by 46-72.8 weight portion go fromSub-water stirs 1 hour disposable adding in reaction vessel, then adds 0.1-0.4 weight portion levelling agent, 0.2-0.5Weight portion thickener and 0.1-0.3 weight portion drier, stir 1 hour, whole preparation process reaction vessel temperatureDegree is controlled at 30-45 DEG C, adopts screen pack to filter discharging, obtains described water-based overprint coating.
The beneficial effect of water-based overprint coating of the present invention is: adopt Tissuemat E grafted and modified acrylic resin resin,Replace the mode by adding wax emulsion, improve the wearability of coating, the performances such as mechanical property, and adoptTissuemat E directly adds in reactor, can significantly improve Tissuemat E and be grafted to acrylic resin strandUpper, percent grafting >=97%, this coating is water paint, preparation and use safety, environmental protection; Have high glaze,Mechanical property and the scratch resistance of high richness, excellence; Have high-wearing feature (1000g/800 turns) weightless≤0.010g, also has very excellent weather resistance, through 2500 hours QUV degradations, and loss of gloss rate≤10%,ΔE≤1.0。
On the basis of technique scheme, the present invention can also do following concrete optimization.
Further, Tissuemat E grafted and modified acrylic resin resin is passed through freely by Tissuemat E and acrylic resinRadical reaction prepares, and it is as follows that it prepares scheme:
By 5-7 parts by weight of acrylic acid, 9-13 weight portion hydroxy propyl methacrylate, 10-16 weight portion methyl-propOlefin(e) acid methyl esters, the positive butyl ester of 11-19 parts by weight of acrylic acid, 3-4.5 weight portion TBHP mixesTo mixed liquor a, stand-by;
The TBHP of 1-1.5 weight portion and 3-9 weight portion ethylene glycol monobutyl ether are mixed and obtainedMixed liquor b, stand-by;
By 10-18 weight portion propylene glycol monobutyl ether, 14-26 weight portion diethylene glycol monobutyl ether and 8-12 weight portionTissuemat E adds in the reaction vessel with agitator and condenser pipe, leads to nitrogen, is warmed up to 145 DEG C, startsDrip mixed liquor a, within 5 hours, drip off rear insulation 1 hour, then drip mixed liquor b, drip off half an hour, soAfter be warmed up to 155 DEG C of insulations 3 hours, then cool to 45 DEG C with bottom discharge, obtain described Tissuemat EGrafted and modified acrylic resin resin.
The water-based Lacquer finish one-component coating of this acrylic-amino resin also specifically contains the amino tree of 6-12 weight portionFat, 46-72.8 parts by weight of deionized water, all the other are auxiliary agent.
Auxiliary agent and consumption are preferably 0.4-0.8 weight portion nertralizer, 0.1-0.4 weight portion levelling agent, 0.2-0.5 heavilyAmount part thickener, 0.1-0.3 weight portion drier.
Nertralizer is ammoniacal liquor, triethanolamine or N, any one in N-diethyl ethylene diamine. Water-based levellingAgent is selected from any one in commercially available UNIQFLOW372S, moral modest 835 or BYK354. Water-based increasesThick dose is selected from any one in commercially available Tech9040, BorchiGel0435 or BYK420. DrierBe selected from any one in commercially available Nacure1419 or Nacure2107.
[detailed description of the invention]
Below principle of the present invention and feature are described, example is only for explaining the present invention, notBe used for limiting scope of the present invention.
Embodiment 1
1) described Tissuemat E grafted and modified acrylic resin resin formula:
Press formula ratio by acrylic acid, hydroxy propyl methacrylate, methyl methacrylate, the positive fourth of acrylic acidEster and 3/4ths TBHP mix stand-by, are called mixed liquor a; Press formula ratio by four/ mono-TBHP and ethylene glycol monobutyl ether mix stand-by, are called mixed liquor b. PressFormula ratio is by propylene glycol monobutyl ether, and diethylene glycol monobutyl ether and Tissuemat E add with agitator and condensationIn the reaction vessel of pipe, lead to nitrogen, be warmed up to 145 DEG C, start to drip mixed liquor a, within 5 hours, drip off rear guarantorTemperature 1 hour, then drips mixed liquor b, and drip off half an hour, is then warmed up to 155 DEG C of insulations 3 hours, soAfter cool to 45 DEG C with bottom discharge, obtain described Tissuemat E grafted and modified acrylic resin resin.
2) described water-based overprint coating formula:
By formula ratio, Tissuemat E grafted and modified acrylic resin resin and benzene are added in reaction vessel for amino resinsStir and mix for 30 minutes, then add nertralizer N, N-diethyl ethylene diamine stirs 30 minutes, then willDeionized water stirs 1 hour disposable adding in reaction vessel, then adds that levelling agent moral is modest 835, thickeningAgent BYK420 and drier Nacure1419, stir 1 hour, the control of whole preparation process reaction vessel temperatureBuilt in 30-45 DEG C. Adopt screen pack to filter discharging, obtain described water-based overprint coating.
Embodiment 2
1) described Tissuemat E grafted and modified acrylic resin resin formula:
Press formula ratio by acrylic acid, hydroxy propyl methacrylate, methyl methacrylate, the positive fourth of acrylic acidEster and 3/4ths TBHP mix stand-by, are called mixed liquor a; Press formula ratio by four/ mono-TBHP and ethylene glycol monobutyl ether mix stand-by, are called mixed liquor b. PressFormula ratio is by propylene glycol monobutyl ether, and diethylene glycol monobutyl ether and Tissuemat E add with agitator and condensationIn the reaction vessel of pipe, lead to nitrogen, be warmed up to 145 DEG C, start to drip mixed liquor a, within 5 hours, drip off rear guarantorTemperature 1 hour, then drips mixed liquor b, and drip off half an hour, is then warmed up to 155 DEG C of insulations 3 hours, soAfter cool to 45 DEG C with bottom discharge, obtain described Tissuemat E grafted and modified acrylic resin resin.
2) described water-based overprint coating formula:
Add reaction to hold in the amino resins of Tissuemat E grafted and modified acrylic resin resin and methyl-etherified by formula ratioIn device, stir and mix for 30 minutes, then add nertralizer ammoniacal liquor to stir 30 minutes, then by deionized waterStir 1 hour disposable adding in reaction vessel, then adds levelling agent UNIQFLOW372S, thickenerTech9040 and drier Nacure2107, stir 1 hour, the control of whole preparation process reaction vessel temperatureAt 30-45 DEG C. Adopt screen pack to filter discharging, obtain described water-based overprint coating.
Embodiment 3
1) described Tissuemat E grafted and modified acrylic resin resin formula:
Press formula ratio by acrylic acid, hydroxy propyl methacrylate, methyl methacrylate, the positive fourth of acrylic acidEster and 3/4ths TBHP mix stand-by, are called mixed liquor a; Press formula ratio by four/ mono-TBHP and ethylene glycol monobutyl ether mix stand-by, are called mixed liquor b. PressFormula ratio is by propylene glycol monobutyl ether, and diethylene glycol monobutyl ether and Tissuemat E add with agitator and condensationIn the reaction vessel of pipe, lead to nitrogen, be warmed up to 145 DEG C, start to drip mixed liquor a, within 5 hours, drip off rear guarantorTemperature 1 hour, then drips mixed liquor b, and drip off half an hour, is then warmed up to 155 DEG C of insulations 3 hours, soAfter cool to 45 DEG C with bottom discharge, obtain described Tissuemat E grafted and modified acrylic resin resin.
2) described water-based overprint coating formula:
By formula ratio, the amino resins of Tissuemat E grafted and modified acrylic resin resin and the mixed etherificate of methyl butyl is addedEnter in reaction vessel and stir and mix for 30 minutes, then add nertralizer triethanolamine to stir 30 minutes,Again stirred 1 hour disposable deionized water adding in reaction vessel, then add levelling agent BYK354,Thickener BorchiGel0435 and drier Nacure1419, stir 1 hour, whole preparation process reactionVessel temp is controlled at 30-45 DEG C. Adopt screen pack to filter discharging, obtain described water-based overprint coating.
The high weather resistant water-based of the high damage resistant of the high abrasion overprint coating that above-described embodiment 1-3 is made carries out making sheetTest, sheet material is phosphatization plate, adopts the electrophoresis bottom surface unification HR-4000 of Hao Lisen coating (Shanghai) Co., Ltd.Product, electrophoretic paint thickness is 25-30um, solidification temperature is 170 DEG C/20 minutes, then sprays in embodimentWater-based overprint coating, thickness is 20-25um, solidification temperature is 120 DEG C/20min.
The high weather resistant water-based of the high damage resistant of the high abrasion overprint coating that embodiment 1-3 makes is prepared the main of modelTechnical indicator is as following table
Thereby the high weather resistant water-based of the high damage resistant of the high abrasion overprint coating that the present invention makes has high glaze, heightMechanical property and the scratch resistance of richness, excellence, aqueous, environmental protective safety, high-wearing feature (1000g/800 turns)Weightlessness≤0.010g, also has very excellent weather resistance, through 2500 hours QUV degradations, loss of glossRate≤10%, Δ E≤1.0.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all of the present inventionWithin spirit and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in of the present inventionWithin protection domain.
Claims (6)
1. the water-based Lacquer finish one-component coating of an acrylic-amino resin, raw material comprises acrylic resin, it is characterized in that acrylic resin wherein adopts Tissuemat E grafted and modified acrylic resin resin, consumption is the Tissuemat E grafted and modified acrylic resin resin that contains 20-40 weight portion in every 100 weight portion coating, and in this coating, do not add wax emulsion
The preparation of Tissuemat E grafted and modified acrylic resin resin is made up of following steps:
By 5-7 parts by weight of acrylic acid, 9-13 weight portion hydroxy propyl methacrylate, 10-16 parts by weight of methylmethacrylate, the positive butyl ester of 11-19 parts by weight of acrylic acid, 3-4.5 weight portion TBHP mixes and obtains mixed liquor a, stand-by;
The TBHP of 1-1.5 weight portion and 3-9 weight portion ethylene glycol monobutyl ether are mixed and obtain mixed liquor b, stand-by;
By 10-18 weight portion propylene glycol monobutyl ether, 14-26 weight portion diethylene glycol monobutyl ether and 8-12 weight account polyethylene wax add in the reaction vessel with agitator and condenser pipe, lead to nitrogen, be warmed up to 145 DEG C, start to drip mixed liquor a, within 5 hours, drip off rear insulation 1 hour, then drip mixed liquor b, drip off half an hour, then be warmed up to 155 DEG C of insulations 3 hours, then cool to 45 DEG C with bottom discharge, obtain described Tissuemat E grafted and modified acrylic resin resin.
2. the water-based Lacquer finish one-component coating of acrylic-amino resin as claimed in claim 1, is characterized in that Tissuemat E grafted and modified acrylic resin resin is prepared by radical reaction by Tissuemat E and acrylic resin.
3. the water-based Lacquer finish one-component coating of acrylic-amino resin as claimed in claim 1, the consumption that it is characterized in that amino resins is also to contain 46-72.8 parts by weight of deionized water in 6-12 weight portion, every 100 weight portion coating, all the other are auxiliary agent.
4. the water-based Lacquer finish one-component coating of acrylic-amino resin as claimed in claim 3, is characterized in that described auxiliary agent and consumption are 0.4-0.8 weight portion nertralizer, 0.1-0.4 weight portion levelling agent, 0.2-0.5 weight portion thickener, 0.1-0.3 weight portion drier.
5. the water-based Lacquer finish one-component coating of a kind of acrylic-amino resin as claimed in claim 1, is characterized in that amino resins is that the amino resins, benzene of methyl-etherified is for any one in the amino resins of amino resins or the mixed etherificate of methyl butyl.
6. the preparation method of the water-based Lacquer finish one-component coating of an acrylic-amino resin, it is characterized in that 20-40 weight account polyethylene wax grafted and modified acrylic resin resin and 6-12 weight portion amino resins to add in reaction vessel and stir and mix for 30 minutes, then add 0.4-0.8 weight portion nertralizer to stir 30 minutes, again stirred 1 hour disposable 46-72.8 parts by weight of deionized water adding in reaction vessel, then add 0.1-0.4 weight portion levelling agent, 0.2-0.5 weight portion thickener and 0.1-0.3 weight portion drier, stir 1 hour, whole preparation process reaction vessel temperature is controlled at 30-45 DEG C, adopt screen pack to filter discharging, obtain described water-based overprint coating,
The preparation of Tissuemat E grafted and modified acrylic resin resin is made up of following steps:
By 5-7 parts by weight of acrylic acid, 9-13 weight portion hydroxy propyl methacrylate, 10-16 parts by weight of methylmethacrylate, the positive butyl ester of 11-19 parts by weight of acrylic acid, 3-4.5 weight portion TBHP mixes and obtains mixed liquor a, stand-by;
The TBHP of 1-1.5 weight portion and 3-9 weight portion ethylene glycol monobutyl ether are mixed and obtain mixed liquor b, stand-by;
By 10-18 weight portion propylene glycol monobutyl ether, 14-26 weight portion diethylene glycol monobutyl ether and 8-12 weight account polyethylene wax add in the reaction vessel with agitator and condenser pipe, lead to nitrogen, be warmed up to 145 DEG C, start to drip mixed liquor a, within 5 hours, drip off rear insulation 1 hour, then drip mixed liquor b, drip off half an hour, then be warmed up to 155 DEG C of insulations 3 hours, then cool to 45 DEG C with bottom discharge, obtain described Tissuemat E grafted and modified acrylic resin resin.
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| CN201410155112.4A CN103923549B (en) | 2014-04-17 | 2014-04-17 | Water-based Lacquer finish one-component coating and the preparation method of acrylic-amino resin |
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| CN105418850A (en) * | 2015-11-30 | 2016-03-23 | 何晨旭 | Nano-scale core-shell type wax-acrylic polymer emulsion for coating and preparation method of nano-scale core-shell type wax-acrylic polymer emulsion |
| CN106752548A (en) * | 2016-10-14 | 2017-05-31 | 佛山沛涂科技有限公司 | A kind of water-based paint compositions of high abrasion |
| CN108642932A (en) * | 2018-04-23 | 2018-10-12 | 太和县富华绳网有限公司 | A kind of rope made of hemp of function admirable |
| CN109504198A (en) * | 2018-11-15 | 2019-03-22 | 韶关市合众化工有限公司 | A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns |
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| JPH07188605A (en) * | 1993-12-28 | 1995-07-25 | Toyo Ink Mfg Co Ltd | Water-based coating composition and metal plate made using the same |
| CN101649145B (en) * | 2009-07-22 | 2011-12-14 | 深圳市嘉卓成科技发展有限公司 | Aqueous acrylic amino resin clear coat and preparation method thereof |
| CN101712833A (en) * | 2009-12-15 | 2010-05-26 | 重庆斯耐博涂料有限公司 | Water-based environment-friendly finishing paint and preparation method thereof |
| CN102020776A (en) * | 2010-11-22 | 2011-04-20 | 陕西科技大学 | Method for preparing wax emulsion by modification on branched polyethylene wax |
| CN102993896A (en) * | 2012-10-16 | 2013-03-27 | 益阳祥瑞科技有限公司 | Amino resin aqueous finishing coating |
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Address after: No.158, Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee after: HLS COATING (SHANGHAI) Co.,Ltd. Patentee after: HAOLISEN CHEMICAL TECHNOLOGY (JIANGSU) Co.,Ltd. Address before: No.158, Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: HLS COATING (SHANGHAI) Co.,Ltd. Patentee before: HAOLISEN CHEMICAL TECHNOLOGY JIANGSU CO.,LTD. |