CN103897579A - Improved waterborne polyurethane UV light-cured woodware coating - Google Patents
Improved waterborne polyurethane UV light-cured woodware coating Download PDFInfo
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- CN103897579A CN103897579A CN201410063705.8A CN201410063705A CN103897579A CN 103897579 A CN103897579 A CN 103897579A CN 201410063705 A CN201410063705 A CN 201410063705A CN 103897579 A CN103897579 A CN 103897579A
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Abstract
The invention discloses an improved waterborne polyurethane UV light-cured woodware coating prepared by dispersing and mixing the following raw materials in percentage by mass: 45-65% of an aliphatic polyurethane dispersion, 1.0-2.5% of an initiator, 2.0-3.0% of a cosolvent, 0.2-0.5% of a defoamer, 0.5-1.0% of a surfactant, 0.4-0.6% of a wetting and leveling agent, 8-15% of an active monomer, 15-20% of deionized water, 0-3.5% of matting powder and 1-2% of a thickener. A stable waterborne UV emulsion system is obtained by selecting proper light-cured resin and the active monomer, and is subjected to self-drying firstly and UV light curing secondly, so that the coating is improved in drying speed, environment-friendly and odorless; an obtained paint film is good in fullness, high in harness, good in transparency and chemical resistance, resistant in wiping, good in comprehensive performances such as water resistance, alcohol resistance and wear resistance, good in adhesive force, harness and glossiness, simple in construction, low in cost, high in efficiency and adaptable in industrial production.
Description
Technical field
The present invention relates to IPC International Classification of Patents C09D coating composition technology, especially improved aqueous polyurethane ultraviolet photo-curing woodwork coating.
Background technology
Water-borne coatings has had significant progress at present, solvent-borne type woodwork coating has the trend progressively being replaced by water-borne wood coating, water-borne wood coating also has the developing history of more than 10 year in China, mainly contain water alcohol acid, aqueous polyurethane, the kinds such as ACRYLIC EMULSION, compared with solvent-borne type woodwork coating, there are some problems in early stage water-borne wood coating, as low in hardness, fullness ratio is poor, early stage anti-stickiness is poor, anti-contamination ability, water tolerance, gloss etc. are all undesirable, and there are the problems such as high temperature after tack, and price is higher, construction neither be very convenient, time of drying is long, be not suitable for the scale production needs of large-scale furniture enterprise, be only suitable for general civilian application.For these problems, investigator and relevant coatings enterprises are also being done a large amount of research and improvement both at home and abroad.Water-borne wood coating and UV-curing technology are combined, can effectively utilize the advantages such as photocuring technology curing speed is fast, environmental protection, obtain preferably environment-friendly type aqueous woodwork coating of easy construction, properties.Improvement technology is also causing concern, such as, with aqurous ployurethane acrylate be base resin, add the inorganic materials such as silicon-dioxide and nano aluminium oxide, to obtain the ultraviolet curing waterborne wood coating of better over-all properties.
Repainting hours is short because having for ultraviolet light polymerization (UV) coating, the development of production efficiency advantages of higher is rapid.Because mono-component aqueous coating also exists certain defect aspect hardness and endurance, and the complicacy of two-component coating in construction, be difficult to industrialization application, waterborne UV coating is because environmental protection and excellent paint film property come into one's own, but due to price comparison costliness, need in reducing coating process, also to ensure certain paint film fullness ratio.Not only cost is high for most waterborne UV coatings now, fullness ratio is not also satisfactory, although the utilization on office furniture and timber, but waterborne UV coating due to its price, contain large water gaging, the reason such as can not be dried under without ultraviolet light polymerization condition, develop slower, especially film is not dry for a long time, is easily stained with dirt, makes it to be difficult to use in finish paint and produces.
Openly related application, as the UV curable waterborne coatings of CN101041761, what it adopted is that waterborne ultraviolet curing resin and water-based response type mixing diluents are even, a kind of waterborne radiation curable coating that adds again water-soluble photoinitiator to mix and to make, the defect of this patent is that rate of drying is slow and make use response type thinner, and cost is higher.
Chinese patent application CN 101633813 B composite ultraviolet curing waterborne wood coating and production methods thereof, comprise the component of following weight percent: waterborne normal-temperature is from dried resin 45%～65%, waterborne ultraviolet curing resin 30%～50%, thickening material 0.1%～0.3%, light trigger 0.5%～1%, water 1%～5%.Said waterborne normal-temperature is water-borne acrylate copolymer emulsion or aqueous polyurethane dispersion from dried resin; Said waterborne ultraviolet curing resin is polyaminoester emulsion or the dispersion of UV-curable waterborne polyester type acrylate and aliphatic isocyanates.
Summary of the invention
The object of this invention is to provide a kind of improved aqueous polyurethane ultraviolet photo-curing woodwork coating, there is good dispersion stabilization and light-cured performance.
Object of the present invention will realize by following technical measures: taking the proportioning raw materials of mass fraction as aliphatic polyurethane dispersion 45-65%, initiator 1.0-2.5%, solubility promoter 2.0-3.0%, defoamer 0.2-0.5%, tensio-active agent 0.5-1.0%, moistening flatting agent 0.4-0.6%, reactive monomer 8-15%, deionized water 15-20%, flatting silica 0-3.5%, thickening material 1-2%; Make through dispersing and mixing.
Especially, aliphatic polyurethane dispersion is: at least one in Bayhydrol 2317, UCECOAT 6569, UCECOAT 6558, UCECOAT 7570, UCECOAT 7655, UCECOAT 7688, LUX250 or LUX399; Light trigger is: 1173, IRGACURE 184, IRGACURE 500
,at least one in IRGACURE 2959 or IRGACURE 819DW; Reactive monomer is: TMPTA (tri methylol triacrylate), EOTMPTA(ethoxylation tri methylol triacrylate), (PO) NPGDA(third is oxidized neopentylglycol diacrylate) or GPTA(3-glycerol propoxylate triacrylate) at least one; Defoamer is: at least one in DEHYDRAN 1293, Tego Airex 902W, BYK-022, BYK-028, DREWPLUS L-475 or FOAMASTER SA-3; Tensio-active agent is: at least one in BYK-190, SURFYNOL 104PA, CF-10, OROTAN 731A or 5040; Moistening flatting agent is: at least one in BYK-346, BYK-333, TEGO 410, DC-67, FSP or TEGO 482; Solubility promoter is: propylene glycol, PM (propylene glycol monomethyl ether), DPM (dipropylene glycol methyl ether), DPnB (dipropylene glycol butyl ether) or BCS(butyl glycol ether) at least one; Flatting silica is: at least one in ED-2, ED-5, SYLOID 300, SYLOID 7000 or TS-100; Thickening material is: at least one in RM-8W, RM-12W, RM-825, RM-2020, ACRYLSOL TT935, AQ-600, AQ-610 or PUR40.
Especially, production technique is: when production, at least need two cylinders, first with a clean scuffing of cylinder bore, aliphatic polyurethane dispersion and initiator are mixed, airtight preservation, again in another cylinder by good all the other component blending dispersion, emphasis is that reactive monomer dispersion and emulsion is good, then dispersion liquid is slowly added in the mixed solution of aliphatic polyurethane and initiator, with deionized water cleaning cylinder wall, then be adjusted to appropriate viscosity with thickening material.
Advantage of the present invention and effect: by selecting suitable water borne UV curing resin and reactive monomer, obtain stable water-based UV emulsion system, first, from dry ultraviolet light polymerization again, rate of drying improves, environment-friendly tasteless; The paint film fullness ratio obtaining is good, and hardness is high, and transparency is good, and chemical resistant properties is good, and resistance to wiping has the over-all propertieies such as good water tolerance, alcohol resistance and wear resistance, and sticking power, hardness, glossiness are good, and construction is simple, and cost is low, and efficiency is high, is applicable to suitability for industrialized production.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1: taking the proportioning raw materials of mass fraction as aliphatic polyurethane dispersion 45-65%, initiator 1.0-2.5%, solubility promoter 2.0-3.0%, defoamer 0.2-0.5%, tensio-active agent 0.5-1.0%, moistening flatting agent 0.4-0.6%, reactive monomer 8-15%, deionized water 15-20%, flatting silica 0-3.5%, thickening material 1-2%; Make through dispersing and mixing.
In aforementioned, aliphatic polyurethane dispersion is: at least one in Bayhydrol 2317, UCECOAT 6569, UCECOAT 6558, UCECOAT 7570, UCECOAT 7655, UCECOAT 7688, LUX250 or LUX399; Light trigger is: 1173, IRGACURE 184, IRGACURE 500
,at least one in IRGACURE 2959 or IRGACURE 819DW; Reactive monomer is: TMPTA (tri methylol triacrylate), EOTMPTA(ethoxylation tri methylol triacrylate), (PO) NPGDA(third is oxidized neopentylglycol diacrylate) or GPTA(3-glycerol propoxylate triacrylate) at least one; Defoamer is: at least one in DEHYDRAN 1293, Tego Airex 902W, BYK-022, BYK-028, DREWPLUS L-475 or FOAMASTER SA-3; Tensio-active agent is: at least one in BYK-190, SURFYNOL 104PA, CF-10, OROTAN 731A or 5040; Moistening flatting agent is: at least one in BYK-346, BYK-333, TEGO 410, DC-67, FSP or TEGO 482; Solubility promoter is: propylene glycol, PM (propylene glycol monomethyl ether), DPM (dipropylene glycol methyl ether), DPnB (dipropylene glycol butyl ether) or BCS(butyl glycol ether) at least one; Flatting silica is: at least one in ED-2, ED-5, SYLOID 300, SYLOID 7000 or TS-100; Thickening material is: at least one in RM-8W, RM-12W, RM-825, RM-2020, ACRYLSOL TT935, AQ-600, AQ-610 or PUR40.
In aforementioned, production technique is: when production, at least need two cylinders, first with a clean scuffing of cylinder bore, aliphatic polyurethane dispersion and initiator are mixed, airtight preservation, again in another cylinder by good all the other component blending dispersion, emphasis is that reactive monomer dispersion and emulsion is good, then dispersion liquid is slowly added in the mixed solution of aliphatic polyurethane and initiator, with deionized water cleaning cylinder wall, then be adjusted to appropriate viscosity with thickening material.
The present invention is water-borne wood coating, is mainly used on woodwork, is especially applicable to office furniture, cabinet, the painting wood door of the high fullness ratio high rigidity of needs.
Claims (3)
1. improved aqueous polyurethane ultraviolet photo-curing woodwork coating, it is characterized in that, taking the proportioning raw materials of mass fraction as aliphatic polyurethane dispersion 45-65%, initiator 1.0-2.5%, solubility promoter 2.0-3.0%, defoamer 0.2-0.5%, tensio-active agent 0.5-1.0%, moistening flatting agent 0.4-0.6%, reactive monomer 8-15%, deionized water 15-20%, flatting silica 0-3.5%, thickening material 1-2%; Make through dispersing and mixing.
2. improved aqueous polyurethane ultraviolet photo-curing woodwork coating as claimed in claim 1, it is characterized in that, aliphatic polyurethane dispersion is: at least one in Bayhydrol 2317, UCECOAT 6569, UCECOAT 6558, UCECOAT 7570, UCECOAT 7655, UCECOAT 7688, LUX250 or LUX399; Light trigger is: 1173, IRGACURE 184, IRGACURE 500
,at least one in IRGACURE 2959 or IRGACURE 819DW; Reactive monomer is: TMPTA (tri methylol triacrylate), EOTMPTA(ethoxylation tri methylol triacrylate), (PO) NPGDA(third is oxidized neopentylglycol diacrylate) or GPTA(3-glycerol propoxylate triacrylate) at least one; Defoamer is: at least one in DEHYDRAN 1293, Tego Airex 902W, BYK-022, BYK-028, DREWPLUS L-475 or FOAMASTER SA-3; Tensio-active agent is: at least one in BYK-190, SURFYNOL 104PA, CF-10, OROTAN 731A or 5040; Moistening flatting agent is: at least one in BYK-346, BYK-333, TEGO 410, DC-67, FSP or TEGO 482; Solubility promoter is: propylene glycol, PM (propylene glycol monomethyl ether), DPM (dipropylene glycol methyl ether), DPnB (dipropylene glycol butyl ether) or BCS(butyl glycol ether) at least one; Flatting silica is: at least one in ED-2, ED-5, SYLOID 300, SYLOID 7000 or TS-100; Thickening material is: at least one in RM-8W, RM-12W, RM-825, RM-2020, ACRYLSOL TT935, AQ-600, AQ-610 or PUR40.
3. improved aqueous polyurethane ultraviolet photo-curing woodwork coating as claimed in claim 1, it is characterized in that, production technique is: when production, at least need two cylinders, first with a clean scuffing of cylinder bore, aliphatic polyurethane dispersion and initiator are mixed, airtight preservation, again in another cylinder by good all the other component blending dispersion, emphasis is that reactive monomer dispersion and emulsion is good, then dispersion liquid is slowly added in the mixed solution of aliphatic polyurethane and initiator, with deionized water cleaning cylinder wall, then be adjusted to appropriate viscosity with thickening material.
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| CN201410063705.8A CN103897579A (en) | 2014-02-25 | 2014-02-25 | Improved waterborne polyurethane UV light-cured woodware coating |
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| CN201410063705.8A CN103897579A (en) | 2014-02-25 | 2014-02-25 | Improved waterborne polyurethane UV light-cured woodware coating |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385335A (en) * | 2015-12-04 | 2016-03-09 | 河北晨阳工贸集团有限公司 | Ultraviolet light-cured high-gloss water-based paint for woodenware and preparation method thereof |
| CN106700702A (en) * | 2017-01-10 | 2017-05-24 | 大连佳秀百隆新材料股份有限公司 | High-gloss finishing coat formula for furniture |
| CN107227105A (en) * | 2016-12-19 | 2017-10-03 | 邹小金 | A kind of aqueous UV varnish and preparation method thereof |
| CN108795271A (en) * | 2018-09-30 | 2018-11-13 | 佛山阳光逸采涂料科技有限公司 | A kind of UV LED UV-curable waterborne paint of wooden floor and preparation method thereof |
| CN109354993A (en) * | 2018-09-30 | 2019-02-19 | 佛山阳光逸采涂料科技有限公司 | A kind of UV LED UV-curable waterborne plastic coating and preparation method thereof |
| CN110079075A (en) * | 2019-04-29 | 2019-08-02 | 湖州吉复新型材料科技有限公司 | A kind of Waterborne Radiation Curing Material and its preparation process |
| CN110256883A (en) * | 2019-07-18 | 2019-09-20 | 广东美涂士建材股份有限公司 | A kind of aqueous UV woodware high-gloss clear finish and preparation method and implementing process |
| CN112625574A (en) * | 2020-12-16 | 2021-04-09 | 惠州市毕升堂科技有限公司 | Water-based UV touch oil and preparation method thereof |
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| CN101294046A (en) * | 2008-06-19 | 2008-10-29 | 同济大学 | Ultraviolet light solidified polyurethane water-based paint and preparation method thereof |
| CN102153899A (en) * | 2011-01-28 | 2011-08-17 | 创兴精细化学(上海)有限公司 | Ultraviolet-curable water-based colored paint composition |
| CN102199375A (en) * | 2010-03-26 | 2011-09-28 | 东莞市佩琦涂料有限公司 | Ultraviolet (UV) paint solidified by ultraviolet light |
| CN102234479A (en) * | 2010-04-20 | 2011-11-09 | 东莞市佩琦涂料有限公司 | Ultraviolet-thermal curable coating |
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Patent Citations (4)
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| CN101294046A (en) * | 2008-06-19 | 2008-10-29 | 同济大学 | Ultraviolet light solidified polyurethane water-based paint and preparation method thereof |
| CN102199375A (en) * | 2010-03-26 | 2011-09-28 | 东莞市佩琦涂料有限公司 | Ultraviolet (UV) paint solidified by ultraviolet light |
| CN102234479A (en) * | 2010-04-20 | 2011-11-09 | 东莞市佩琦涂料有限公司 | Ultraviolet-thermal curable coating |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385335A (en) * | 2015-12-04 | 2016-03-09 | 河北晨阳工贸集团有限公司 | Ultraviolet light-cured high-gloss water-based paint for woodenware and preparation method thereof |
| CN107227105A (en) * | 2016-12-19 | 2017-10-03 | 邹小金 | A kind of aqueous UV varnish and preparation method thereof |
| CN106700702A (en) * | 2017-01-10 | 2017-05-24 | 大连佳秀百隆新材料股份有限公司 | High-gloss finishing coat formula for furniture |
| CN108795271A (en) * | 2018-09-30 | 2018-11-13 | 佛山阳光逸采涂料科技有限公司 | A kind of UV LED UV-curable waterborne paint of wooden floor and preparation method thereof |
| CN108795271B (en) * | 2018-09-30 | 2019-01-18 | 佛山阳光逸采涂料科技有限公司 | A kind of UV LED UV-curable waterborne paint of wooden floor and preparation method thereof |
| CN109354993A (en) * | 2018-09-30 | 2019-02-19 | 佛山阳光逸采涂料科技有限公司 | A kind of UV LED UV-curable waterborne plastic coating and preparation method thereof |
| CN109354993B (en) * | 2018-09-30 | 2020-11-03 | 佛山阳光逸采涂料科技有限公司 | UV LED water-based ultraviolet-curing plastic coating and preparation method thereof |
| CN110079075A (en) * | 2019-04-29 | 2019-08-02 | 湖州吉复新型材料科技有限公司 | A kind of Waterborne Radiation Curing Material and its preparation process |
| CN110256883A (en) * | 2019-07-18 | 2019-09-20 | 广东美涂士建材股份有限公司 | A kind of aqueous UV woodware high-gloss clear finish and preparation method and implementing process |
| CN110256883B (en) * | 2019-07-18 | 2021-10-26 | 广东美涂士建材股份有限公司 | Water-based UV (ultraviolet) woodware high-gloss varnish, preparation method and implementation process |
| CN112625574A (en) * | 2020-12-16 | 2021-04-09 | 惠州市毕升堂科技有限公司 | Water-based UV touch oil and preparation method thereof |
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Application publication date: 20140702 |