CN104231753A - Solvent-type nano titanium white slurry for UV (ultraviolet) vacuum coating paints and application thereof - Google Patents
Solvent-type nano titanium white slurry for UV (ultraviolet) vacuum coating paints and application thereof Download PDFInfo
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- CN104231753A CN104231753A CN201410424860.8A CN201410424860A CN104231753A CN 104231753 A CN104231753 A CN 104231753A CN 201410424860 A CN201410424860 A CN 201410424860A CN 104231753 A CN104231753 A CN 104231753A
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Abstract
The invention relates to a preparation method of a solvent-type nano titanium white slurry for UV (ultraviolet) vacuum coating paints. The solvent-type nano titanium white slurry is basically composed of 15-30% of hydroxy acrylic resin, 5-15% of wetting and dispersing agent, 20-50% of titanium white, 0.1-0.5% of defoaming agent and 30-60% of solvent. The particle size D50 of the nano titanium white slurry is controlled at 70-180nm. The solvent-type nano titanium white slurry for UV vacuum coating paints has the characteristics of high storage stability, high transparency, favorable compatibility, yellowing resistance, aging resistance, environmental protection and the like. The solvent-type nano titanium white slurry is suitable to be used as a colorant in UV vacuum coating paints, and can also be used as a surface colorant for toys for children, wood furniture, leather products, plastic products, metal products, aluminum foils, copper foils, food packaging materials and the like.
Description
Technical field
The present invention relates to a kind of solvent-borne type Nanometer Titanium Dioxide slurry, particularly relate to and be a kind ofly applicable to UV vacuum metallizing coating, high temperature resistant, the high Nanometer Titanium Dioxide slurry of the transparency.
Background technology
Metal, alloy and compound, mainly through methods such as vacuum evaporation, sputtering, ion platings, are plated on material or product surface by vacuum plating, form the coating required by product.Vacuum coating technology is widely applied in each fields such as electronics, aerospace, optics, magnetics, building, machinery, packaging, decorations, and plays increasing effect.Vacuum plating is a kind of CVD (Chemical Vapor Deposition) method, and organic coating is normally formed through film-forming by the organic polymer masking liquid applied, and is widely used in plastics, the protection of non-ferrous metal matrix surface and decoration.Organic polymer masking liquid be solidified with multiple method, the coating of ultraviolet light polymerization (abbreviation photo-cured coating) is wherein used day by day to be subject to showing great attention to of people, its principal feature is: curing speed is fast, only needs seconds or tens of seconds just completely curable under usual ultraviolet lamp radiation; Environmentally friendly, when illumination, major part or most compositions participate in crosslinking polymerization and enter rete; Save energy, UV photocuring energy used is about 1/5 of solvent based coating; Can the various base material of application, avoid the damage because high temperature during thermofixation may cause thermo-responsive base material (as plastics, paper or other electronic components etc.); Save mass energy, simplify operation, significantly reduce plant area etc., thus reduce production cost; As can be seen here, photo-cured coating and the application in vacuum plating industry thereof have broad prospects.
In electron trade as mobile phone, computer material therefor are mostly the non-ferrous metals such as plastics, aluminium alloy, zinc alloy, phone housing coating easily comes off, sweat proof poor water resistance, color for some time is with regard to variable color, this requirement is selective to the resin of vacuum metallizing coating, and has higher requirement to dispersion resin, dispersion agent in vacuum metallizing coating tinting material used.On domestic market, vacuum metallizing coating tinting material used is almost imported product entirely.
Therefore develop a kind of environmental protection, transparent, high-performance, consistency are good, and the solvent-borne type Nanometer Titanium Dioxide slurry that can be used for UV vacuum metallizing coating is especially necessary.
Summary of the invention
UV vacuum metallizing coating resin used is reactive oligomers unsaturated polyester, polyester acrylate, polyether acrylate, epoxy acrylate and urethane acrylate etc., reactive thinner used is mostly acrylic ester monomer, therefore the present invention selects hydroxyl acrylic as dispersion resin, Hydroxylated acrylic resin has good consistency and the transparency, the sticking power to plastics and aluminium, zinc, copper, silver-colored ground can be improved, accelerated solvent, from the release paint film, shortens time of drying; Because hydroxyl acrylic contains hydroxyl, give film snappiness, colour stability and gloss retention.
UV vacuum metallizing coating solvent-borne type Nanometer Titanium Dioxide slurry used is high to the selectivity of dispersion agent, because dispersion agent plays a part very important to the stability of tinting material, consistency, tinting strength.Therefore wetting dispersing agent of the present invention selects the multipolymer anionic dispersing agent containing affinity groups, as EFKA-4310, BYK-111, HSM-7110, require aromatic free, ketone, aliphatic solvents in dispersion agent, the Nanometer Titanium Dioxide therefore made slurry has the features such as package stability is good, strong coloring force, the transparency is high, consistency is good.
In order to solve technical problem recited above, the present invention takes following technical scheme: the present invention relates to a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating and starch, its basic recipe is: Hydroxylated acrylic resin 15% ~ 30%, wetting dispersing agent 5% ~ 15%, titanium dioxide 20% ~ 50%, defoamer 0.1 ~ 0.5%, solvent 30% ~ 60%; Described wetting dispersing agent selects EFKA-4310, BYK-111, HSM-7110; The particle diameter D of the Nanometer Titanium Dioxide slurry made
50control between 70 ~ 180nm.
The combination of one or more of 2-butyl acetate, methylcarbonate, 1-Methoxy-2-propyl acetate, butyl acetic ester, n-butyl acetate, isobutyl acetate, propyl carbinol and isopropylcarbinol selected by solvent.
The present invention proposes the preparation method that a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched, preparation technology is as follows: add solvent by formulation weight ratio, Hydroxylated acrylic resin, wetting dispersing agent, speed with 500r/min in high speed dispersor stirs, then under the high speed of 800 ~ 1000r/min, titanium dioxide is added, high speed dispersion 45 ~ 60min, arrive nano-dispersed machine circular grinding 8 ~ 10h again, granularity Detection is carried out every 0.5h laser particle analyzer, until the particle diameter of tinting material reaches requirement, filter and package and obtain a kind of UV vacuum metallizing coating solvent-borne type Nanometer Titanium Dioxide slurry used.
The features such as the UV vacuum metallizing coating that the present invention makes solvent-borne type Nanometer Titanium Dioxide slurry used has that package stability is good, the transparency is high, consistency good, color inhibition, ageing-resistant, environmental protection; Be applicable to the tinting material in UV vacuum metallizing coating, also can be used for the surface colourants such as toy for children, wood furniture, leatherware, plastics, metal products, aluminium foil, Copper Foil, packaging material for food.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1:
The preparation that a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched: by formulation weight ratio, first solvent methylcarbonate 15 parts, PMA 22.8 parts, propyl carbinol 6 parts adds in dispersion bucket, Hydroxylated acrylic resin 20 parts is added under stirring, EFKA-4310 dispersion agent 6 parts, defoamer 0.2 part, speed with 500r/min in high speed dispersor stirs, then under the high speed of 800 ~ 1000r/min, Du Pont R902 titanium dioxide 30 parts is added, high speed dispersion 45 ~ 60min, arrive nano-dispersed machine circular grinding 8 ~ 10h again, granularity Detection is carried out every 0.5h laser particle analyzer, until the particle diameter D of mill base
50at 70 ~ 180nm, filter and package the solvent-borne type Nanometer Titanium Dioxide slurry that the UV vacuum metallizing coating that obtains a kind of look content 30% is used.
This example 1 Nanometer Titanium Dioxide slurry fundamental property test result: outward appearance: white, uniform fluid; Median size: laser fineness gage test D
50be 110 ± 30nm; Viscosity: 25 ± 2 DEG C of test 480mPas; Thermal storage stability: take out after 50 DEG C of constant temperature ovens place 15 days, median size D after tested
50be 120 ± 30nm, viscosity 530mPas, aberration △ E≤0.18.
Application: the white vacuum metallizing coating of plastic housing of mobile phone UV dumb light: oligopolymer UV urethane acrylate 15%, macromole modification UV resin 20%, reactive monomer 5%, reactive thinner 15%, light trigger 184+TPO 3%, adhesion promoter 0.5%, nanometer titanium dioxide slurry 10%, transparent dumb light powder 2.5%, various auxiliary agent 0.5%, mixed solvent 28.5%.
Plastic housing of mobile phone UV dumb light white vacuum metallizing coating performance is as follows: solid content 55%; Viscosity: (be coated with 4 at 25 DEG C
#cup) 12S; Pencil hardness: 2H; Sticking power: cross-hatching 0 grade; Snappiness: 1 grade; Gloss: 60%; Hot water resistance: at 100 DEG C of boiling water boiling 1h, paint film is non-foaming, do not come off; Salt-fog resistant test: 35 DEG C, 5%NaCl salt fog cabinet places after 96h, paint film nondiscoloration; Anti-aging test: xenon lamp irradiates the nondiscoloration of 500h paint film; Cure times 7S, illustrates that the transparency of titanium dioxide slurry is good.
Embodiment 2:
The preparation that a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched: by formulation weight ratio, first secondary for solvent acetic acid butyl ester 15 parts, PMA 25.8 parts, propyl carbinol 6 parts adds in dispersion bucket, Hydroxylated acrylic resin 25 parts is added under stirring, BYK-111 dispersion agent 3 parts, defoamer 0.2 part, speed with 500r/min in high speed dispersor stirs, then under the high speed of 800 ~ 1000r/min, add special promise R595 titanium dioxide 25 parts, high speed dispersion 45 ~ 60min, arrive nano-dispersed machine circular grinding 8 ~ 10h again, droplet measurement is carried out every 0.5h laser particle analyzer, until the particle diameter D of mill base
50at 70 ~ 180nm, filter and package the solvent-borne type Nanometer Titanium Dioxide slurry that the UV vacuum metallizing coating that obtains a kind of look content 25% is used.
This example 2 Nanometer Titanium Dioxide slurry fundamental property test result: outward appearance: white, uniform fluid; Median size: laser fineness gage test D
50be 130 ± 30nm; Viscosity: 25 ± 2 DEG C of test 460mPas; Thermal storage stability: take out after 50 DEG C of constant temperature ovens place 15 days, median size D after tested
50be 140 ± 30nm, viscosity 500mPas, aberration △ E≤0.20.
Application: mobile phone zinc alloy shell UV pink vacuum metallizing coating: oligopolymer UV epoxy acrylate 15%, macromole modification UV resin 20%, reactive monomer 5%, reactive thinner 15%, light trigger 184+TPO 3%, adhesion promoter 0.5%, nanometer titanium dioxide slurry 8%, the bright red tinting material of nanometer 2%, transparent dumb light powder 1.5%, various auxiliary agent 0.5%, mixed solvent 29.5%.
Mobile phone zinc alloy shell UV pink vacuum metallizing coating performance is as follows: solid content 55%; Viscosity: (be coated with 4 at 25 DEG C
#cup) 12S; Pencil hardness: 2H; Sticking power: cross-hatching 0 grade; Snappiness: 1 grade; Gloss: 70%; Hot water resistance: at 100 DEG C of boiling water boiling 1h, paint film is non-foaming, do not come off; Salt-fog resistant test: 35 DEG C, 5%NaCl salt fog cabinet places after 48h, paint film nondiscoloration; Anti-aging test: xenon lamp irradiates the nondiscoloration of 300h paint film; Cure times 8S, illustrates that the transparency of titanium dioxide slurry is good.
Embodiment 3:
The preparation that a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched: by formulation weight ratio, first solvent methylcarbonate 15 parts, butyl acetic ester 24.8 parts, propyl carbinol 6 parts adds in dispersion bucket, Hydroxylated acrylic resin 23 parts is added under stirring, HSM-7110 dispersion agent 6 parts, defoamer 0.2 part, speed with 500r/min in high speed dispersor stirs, then under the high speed of 800 ~ 1000r/min, Du Pont R706 titanium dioxide 25 parts is added, high speed dispersion 45 ~ 60min, arrive nano-dispersed machine circular grinding 8 ~ 10h again, granularity Detection is carried out every 0.5h laser particle analyzer, until the particle diameter D of mill base
50at 70 ~ 180nm, filter and package the solvent-borne type Nanometer Titanium Dioxide slurry that the UV vacuum metallizing coating that obtains a kind of look content 25% is used.
This example 3 Nanometer Titanium Dioxide slurry fundamental property test result: outward appearance: white, uniform fluid; Median size: laser fineness gage test D
50be 120 ± 30nm; Viscosity: 25 ± 2 DEG C of test 460mPas; Thermal storage stability: take out after 50 DEG C of constant temperature ovens place 15 days, median size D after tested
50be 130 ± 30nm, viscosity 510mPas, aberration △ E≤0.20.
Application: phone housing UV pearl white vacuum metallizing coating: oligopolymer UV polyester acrylate 15%, macromole modification UV resin 20%, reactive monomer 5%, reactive thinner 15%, light trigger 184+TPO 3%, adhesion promoter 0.5%, nanometer titanium dioxide slurry 6%, pearlescence 3%, transparent dumb light powder 1%, various auxiliary agent 0.5%, mixed solvent 31%.
Phone housing UV pearl white vacuum metallizing coating performance is as follows: solid content 55%; Viscosity: (be coated with 4 at 25 DEG C
#cup) 12S; Pencil hardness: 2H; Sticking power: cross-hatching 0 grade; Snappiness: 1 grade; Gloss: 75%; Hot water resistance: at 100 DEG C of boiling water boiling 1h, paint film is non-foaming, do not come off; Salt-fog resistant test: 35 DEG C, 5%NaCl salt fog cabinet places after 48h, paint film nondiscoloration; Anti-aging test: xenon lamp irradiates the nondiscoloration of 300h paint film; Cure times 8S, illustrates that the transparency of titanium dioxide slurry is good.
Although the present invention has been explained in detail and has quoted embodiment as proof, for those of ordinary skill in the art, the various schemes obviously can made according to above-mentioned explanation, amendment and change, within the scope that all should be included in claim.
Claims (3)
1. the solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched, it is characterized in that: by weight percentage, comprise following component: Hydroxylated acrylic resin 15% ~ 30%, wetting dispersing agent 5% ~ 15%, titanium dioxide 20% ~ 50%, defoamer 0.1 ~ 0.5%, solvent 30% ~ 60%; Described wetting dispersing agent selects EFKA-4310, BYK-111, HSM-7110; The particle diameter D of the Nanometer Titanium Dioxide slurry made
50control between 70 ~ 180nm.
2. a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating is starched as claimed in claim 1, it is characterized in that: the combination of one or more of 2-butyl acetate, methylcarbonate, 1-Methoxy-2-propyl acetate, butyl acetic ester, n-butyl acetate, isobutyl acetate, propyl carbinol and isopropylcarbinol selected by described solvent.
3. the preparation method that starches of an a kind of solvent-borne type Nanometer Titanium Dioxide for UV vacuum metallizing coating as claimed in claim 1, it is characterized in that: described preparation method comprises: add solvent by formulation weight ratio, Hydroxylated acrylic resin, wetting dispersing agent, speed with 500r/min in high speed dispersor stirs, then under the high speed of 800 ~ 1000r/min, titanium dioxide is added, high speed dispersion 45 ~ 60min, arrive nano-dispersed machine circular grinding 8 ~ 10h again, granularity Detection is carried out every 0.5h laser particle analyzer, until the particle diameter of tinting material reaches requirement, filter and package and obtain a kind of UV vacuum metallizing coating solvent-borne type Nanometer Titanium Dioxide slurry used.
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| CN201410424860.8A CN104231753A (en) | 2014-08-26 | 2014-08-26 | Solvent-type nano titanium white slurry for UV (ultraviolet) vacuum coating paints and application thereof |
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| CN201410424860.8A CN104231753A (en) | 2014-08-26 | 2014-08-26 | Solvent-type nano titanium white slurry for UV (ultraviolet) vacuum coating paints and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456486A (en) * | 2018-04-04 | 2018-08-28 | 湖南松井新材料股份有限公司 | UV is coating material solidified and its preparation method and application |
| CN110982304A (en) * | 2019-12-06 | 2020-04-10 | 中信钛业股份有限公司 | Preparation method of titanium dioxide pigment with high resistivity |
| CN112694827A (en) * | 2020-12-18 | 2021-04-23 | 东周化学工业（昆山）有限公司 | ABS substrate gold stamping water-based UV varnish and preparation method thereof |
Citations (4)
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| US20100093914A1 (en) * | 2007-03-22 | 2010-04-15 | Kansai Paint Co., Ltd. | Water-based paint compositions and multilayer coating film-forming method |
| CN103013230A (en) * | 2012-12-20 | 2013-04-03 | 广州市番禺科迪色彩有限公司 | Preparation method of solvent-based nano-carbon black paste |
| CN103351719A (en) * | 2013-06-24 | 2013-10-16 | 广州市番禺科迪色彩有限公司 | Preparation method of nano-solvent organic yellow color paste |
| CN103387769A (en) * | 2013-06-24 | 2013-11-13 | 广州市番禺科迪色彩有限公司 | Preparation method of nanometer solvent type organic red color paste |
-
2014
- 2014-08-26 CN CN201410424860.8A patent/CN104231753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100093914A1 (en) * | 2007-03-22 | 2010-04-15 | Kansai Paint Co., Ltd. | Water-based paint compositions and multilayer coating film-forming method |
| CN103013230A (en) * | 2012-12-20 | 2013-04-03 | 广州市番禺科迪色彩有限公司 | Preparation method of solvent-based nano-carbon black paste |
| CN103351719A (en) * | 2013-06-24 | 2013-10-16 | 广州市番禺科迪色彩有限公司 | Preparation method of nano-solvent organic yellow color paste |
| CN103387769A (en) * | 2013-06-24 | 2013-11-13 | 广州市番禺科迪色彩有限公司 | Preparation method of nanometer solvent type organic red color paste |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456486A (en) * | 2018-04-04 | 2018-08-28 | 湖南松井新材料股份有限公司 | UV is coating material solidified and its preparation method and application |
| CN108456486B (en) * | 2018-04-04 | 2021-03-30 | 湖南松井新材料股份有限公司 | UV curing coating and preparation method and application thereof |
| CN110982304A (en) * | 2019-12-06 | 2020-04-10 | 中信钛业股份有限公司 | Preparation method of titanium dioxide pigment with high resistivity |
| CN110982304B (en) * | 2019-12-06 | 2021-05-11 | 中信钛业股份有限公司 | Preparation method of titanium dioxide pigment with high resistivity |
| CN112694827A (en) * | 2020-12-18 | 2021-04-23 | 东周化学工业（昆山）有限公司 | ABS substrate gold stamping water-based UV varnish and preparation method thereof |
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Application publication date: 20141224 |