CN1876738A - Preparation method of lightfast coating material - Google Patents
Preparation method of lightfast coating material Download PDFInfo
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- CN1876738A CN1876738A CNA2006100989940A CN200610098994A CN1876738A CN 1876738 A CN1876738 A CN 1876738A CN A2006100989940 A CNA2006100989940 A CN A2006100989940A CN 200610098994 A CN200610098994 A CN 200610098994A CN 1876738 A CN1876738 A CN 1876738A
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- titanium dioxide
- acrylate
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Abstract
The invention discloses the preparing method of light resistance coating, comprising 40-69.5wt% red schorl titanium dioxide emulsion, 30-59.5wt% acrylic resin and 0.2-0.5wt% initiating agent. The red schorl titanium dioxide can absorb and screen ultraviolet ray, and the modified coating can improve the light resistance.
Description
Technical field: the present invention relates to a kind of preparation method of coating, particularly a kind of preparation method who is used for the nano-powder water-dispersion coating of leather finish belongs to the emulsion polymerization technology field.
Background technology: the Emulsion acrylic resin finishing agent is a most important class in the leather finish film forming material, and their over-all properties is relatively good, but one of its shortcoming is can flavescence under illumination.Light, especially (290～400nm) energy that have are between 294～394kJ/ optical molecule for the ultraviolet composition in the light, its energy is enough to make compound to absorb luminous energy generation photochemical reaction, the outward appearance that this has seriously influenced leather products is restricted its use on white and light color leather.
Summary of the invention: the invention provides a kind of preparation method of lightfast coating material, technical problem to be solved is, gives that coating absorbs and the function of uv reflectance, ageing-resistant, the mechanical property of raising coating, and this finishing agent can be used on coating and adhesive area.
The present invention has adopted following technical scheme.
A kind of preparation method of lightfast coating material is characterized in that: it is made via following steps:
(1) rutile titanium dioxide emulsion preparation: dispersion agent is water-soluble, add nano titanium oxide again, then under ultrasonic cell disruptor power 100W-1000W, ultrasonic time 2-60 minute;
(2) use the emulsification pretreatment machine under 200-11000r/min, emulsification 10-60 minute, make titanium dioxide water-dispersion emulsion;
(3) under 40-80 ℃ of condition, the acrylic resin monomer is joined in the titanium dioxide water-dispersion emulsion, be warming up to 80-90 ℃ then, add initiator, reaction 1-4 hour promptly gets lightfast coating material.
Each amounts of components is: rutile titanium dioxide emulsion weight 40%-69.5%, acrylic resin monomer weight 30%-59.5%, initiator weight 0.2%-0.5%;
Wherein, in (1) step: the median size of rutile titanium dioxide primary particle is 50-100nm, and consumption is 0.5%-10%, dispersion agent 0.1%-5%, and surplus is a water.
Initiator be peroxidation with lauroyl, Potassium Persulphate, ammonium persulphate, peroxy dicarbonate two-2-benzene oxygen ethyl ester, 2,2'-Azobis(2,4-dimethylvaleronitrile), the peroxidation trimethylacetic acid tert-butyl ester, peroxidation carbonic acid diisopropyl ester, di-cyclohexylperoxy dicarbonate, peroxy dicarbonate be two-2-ethylhexyl, α, γ-propane dihydroxy acid, 2,2-Dimethoxyphenyl ethyl ketone, 2,2-dimethoxy-1, any one in the 2-phenylbenzene ethyl ketone.
Dispersion agent is that in Sodium hexametaphosphate 99, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol, polyacrylamide, sodium polyacrylate, trolamine, Xylo-Mucine, polyvinyl alcohol, sodium polyphosphate, the water glass one or more mix by arbitrary proportion.
The acrylic resin monomer is a methyl acrylate, ethyl propenoate, n-butyl acrylate, sec-butyl acrylate, isobutyl acrylate, the vinylformic acid n-propyl, isopropyl acrylate, vinylformic acid 2-ethyl butyl ester, Isooctyl acrylate monomer, dodecylacrylate, vinylformic acid 2-ethoxy ethyl ester, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, n propyl methacrylate, isopropyl methacrylate, methacrylic acid 2-hydroxyl ethyl ester, methacrylic acid 2-hydroxypropyl acrylate, acrylamide, vinylformic acid, sodium acrylate, vinyl cyanide, methacrylic acid, sodium methacrylate, vinyl alcohol, vinylchlorid, vinyl acetate, vinylbenzene, chloroprene, divinyl (cis), divinyl (trans), in the isoprene one or more are pressed arbitrary proportion and are mixed.
The median size of rutile titanium dioxide primary particle is 50-100nm, adopts electrostatic stabilization and sterically hindered mechanism type dispersion agent to make the powder dispersion system stable.
Ultrasonic cell disruptor power is 100W-1000W, is lower than 100W and can causes the powder depolymerization insufficient, is higher than 1000W and can causes secondary agglomeration; Ultrasonic time 2-60 minute, be lower than 2 minutes and can cause depolymerization insufficient, be higher than 60 minutes and can cause solvent to volatilize in a large number; Emulsification pretreatment machine rotating speed is 200-11000r/min, is lower than 200r/min and can causes disperseing instability, and being higher than 11000r/min stability increases DeGrain.
Compared with the prior art the present invention has following positively effect: (1) rutile type nano titanic oxide can significantly absorb and shield the ultraviolet ray of certain wavelength period, can significantly improve the photostabilization of finishing agent with its modification finishing agent, and marketable value is high.(2) adopt ultra-sonic dispersion and emulsification pretreatment, earlier powder is made emulsion, can make powder depolymerization in water, dispersion, stable.(3) adopt the soap-free polymerization method, emulsion particle stability is high, and the particle diameter of particle is narrow, and monodispersity is good, and the finished surface that makes does not contain remaining emulsifying agent, has improved the water tolerance of coating, meets the development trend of green coating.
Embodiment: further specify the present invention below in conjunction with specific embodiment.
Embodiment one
The raw material of lightfast coating material is made of in proportion following component, rutile titanium dioxide emulsion weight 40%, acrylic resin monomer weight 59.5%, initiator weight 0.5%;
Wherein, the rutile titanium dioxide emulsion is formed: the median size of rutile titanium dioxide primary particle is 50-100nm, and consumption is 0.5%, dispersion agent 0.1%, and surplus is a water.
Initiator be peroxidation with lauroyl, Potassium Persulphate, ammonium persulphate, peroxy dicarbonate two-2-benzene oxygen ethyl ester, 2,2'-Azobis(2,4-dimethylvaleronitrile), the peroxidation trimethylacetic acid tert-butyl ester, peroxidation carbonic acid diisopropyl ester, di-cyclohexylperoxy dicarbonate, peroxy dicarbonate be two-2-ethylhexyl, α, γ-propane dihydroxy acid, 2,2-Dimethoxyphenyl ethyl ketone, 2,2-dimethoxy-1, any one in the 2-phenylbenzene ethyl ketone.Following examples together.
Dispersion agent is that in Sodium hexametaphosphate 99, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol, polyacrylamide, sodium polyacrylate, trolamine, Xylo-Mucine, polyvinyl alcohol, sodium polyphosphate, the water glass one or more mix by arbitrary proportion.Following examples together.
The acrylic resin monomer is a methyl acrylate, ethyl propenoate, n-butyl acrylate, sec-butyl acrylate, isobutyl acrylate, the vinylformic acid n-propyl, isopropyl acrylate, vinylformic acid 2-ethyl butyl ester, Isooctyl acrylate monomer, dodecylacrylate, vinylformic acid 2-ethoxy ethyl ester, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, n propyl methacrylate, isopropyl methacrylate, methacrylic acid 2-hydroxyl ethyl ester, methacrylic acid 2-hydroxypropyl acrylate, acrylamide, vinylformic acid, sodium acrylate, vinyl cyanide, methacrylic acid, sodium methacrylate, vinyl alcohol, vinylchlorid, vinyl acetate, vinylbenzene, chloroprene, divinyl (cis), divinyl (trans), in the isoprene one or more are pressed arbitrary proportion and are mixed.Following examples together.
The preparation method of this lightfast coating material, via following steps:
(1) rutile titanium dioxide emulsion preparation: dispersion agent is water-soluble, add nano titanium oxide again, then under ultrasonic cell disruptor power 100W, ultrasonic time 60 minutes;
(2) use the emulsification pretreatment machine under 200r/min, emulsification 60 minutes makes titanium dioxide water-dispersion emulsion;
(3) under 40 ℃ of conditions, the acrylic resin monomer is joined in the titanium dioxide water-dispersion emulsion, be warming up to 85 ℃ then, add initiator, reacted 1 hour, promptly get lightfast coating material.
Embodiment two
The raw material of lightfast coating material is made of in proportion following component, rutile titanium dioxide emulsion weight 54%, acrylic resin monomer weight 45.7%, initiator weight 0.3%;
Wherein, the rutile titanium dioxide emulsion is formed: the median size of rutile titanium dioxide primary particle is 50-100nm, and consumption is 5%, dispersion agent 3%, and surplus is a water.
The preparation method of this lightfast coating material, via following steps:
(1) rutile titanium dioxide emulsion preparation: dispersion agent is water-soluble, add nano titanium oxide again, then under ultrasonic cell disruptor power 500W, ultrasonic time 30 minutes;
(2) use the emulsification pretreatment machine under 6000r/min, emulsification 35 minutes makes titanium dioxide water-dispersion emulsion;
(3) under 60 ℃ of conditions, the acrylic resin monomer is joined in the titanium dioxide water-dispersion emulsion, be warming up to 90 ℃ then, add initiator, reacted 3 hours, promptly get lightfast coating material.
Embodiment three
The raw material of lightfast coating material is made of in proportion following component, rutile titanium dioxide emulsion weight 69.5%, acrylic resin monomer weight 30.3%, initiator weight 0.2%;
Wherein, the rutile titanium dioxide emulsion is formed: the median size of rutile titanium dioxide primary particle is 50-100nm, and consumption is 10%, dispersion agent 5%, and surplus is a water.
The preparation method of this lightfast coating material, via following steps:
(1) rutile titanium dioxide emulsion preparation: dispersion agent is water-soluble, add nano titanium oxide again, then under ultrasonic cell disruptor power 1000W, ultrasonic time 2 minutes;
(2) use the emulsification pretreatment machine under 11000r/min, emulsification 10 minutes makes titanium dioxide water-dispersion emulsion;
(3) under 40-80 ℃ of condition, the acrylic resin monomer is joined in the titanium dioxide water-dispersion emulsion, be warming up to 80-90 ℃ then, add initiator, reacted 4 hours, promptly get lightfast coating material.
Claims (4)
1. the preparation method of a lightfast coating material, it is characterized in that: it is made via following steps:
(1) rutile titanium dioxide emulsion preparation: dispersion agent is water-soluble, add nano titanium oxide again, then under ultrasonic cell disruptor power 100W-1000W, ultrasonic time 2-60 minute;
(2) use the emulsification pretreatment machine under 200-11000r/min, emulsification 10-60 minute, make titanium dioxide water-dispersion emulsion;
(3) under 40-80 ℃ of condition, the acrylic resin monomer is joined in the titanium dioxide water-dispersion emulsion, be warming up to 80-90 ℃ then, add initiator, reaction 1-4 hour promptly gets lightfast coating material.
Each amounts of components is: rutile titanium dioxide emulsion weight 40%-69.5%, acrylic resin monomer weight 30%-59.5%, initiator weight 0.2%-0.5%;
Wherein, in (1) step: the median size of rutile titanium dioxide primary particle is 50-100nm, and consumption is 0.5%-10%, dispersion agent 0.1%-5%, and surplus is a water.
2. the preparation method of lightfast coating material according to claim 1, it is characterized in that: initiator be peroxidation with lauroyl, Potassium Persulphate, ammonium persulphate, peroxy dicarbonate two-2-benzene oxygen ethyl ester, 2,2'-Azobis(2,4-dimethylvaleronitrile), the peroxidation trimethylacetic acid tert-butyl ester, peroxidation carbonic acid diisopropyl ester, di-cyclohexylperoxy dicarbonate, peroxy dicarbonate be two-2-ethylhexyl, α, γ-propane dihydroxy acid, 2,2-Dimethoxyphenyl ethyl ketone, 2,2-dimethoxy-1, any one in the 2-phenylbenzene ethyl ketone.
3. the preparation method of lightfast coating material according to claim 1 is characterized in that: dispersion agent is that in Sodium hexametaphosphate 99, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol, polyacrylamide, sodium polyacrylate, trolamine, Xylo-Mucine, polyvinyl alcohol, sodium polyphosphate, the water glass one or more mix by arbitrary proportion.
4. according to claim 1 or 2 or 3 described lightfast coating materials, it is characterized in that: the acrylic resin monomer is a methyl acrylate, ethyl propenoate, n-butyl acrylate, sec-butyl acrylate, isobutyl acrylate, the vinylformic acid n-propyl, isopropyl acrylate, vinylformic acid 2-ethyl butyl ester, Isooctyl acrylate monomer, dodecylacrylate, vinylformic acid 2-ethoxy ethyl ester, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, n propyl methacrylate, isopropyl methacrylate, methacrylic acid 2-hydroxyl ethyl ester, methacrylic acid 2-hydroxypropyl acrylate, acrylamide, vinylformic acid, sodium acrylate, vinyl cyanide, methacrylic acid, sodium methacrylate, vinyl alcohol, vinylchlorid, vinyl acetate, vinylbenzene, chloroprene, divinyl (cis), divinyl (trans), in the isoprene one or more are pressed arbitrary proportion and are mixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100989940A CN100389159C (en) | 2006-07-20 | 2006-07-20 | Preparation method of lightfast coating material |
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| CNB2006100989940A CN100389159C (en) | 2006-07-20 | 2006-07-20 | Preparation method of lightfast coating material |
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| CN1876738A true CN1876738A (en) | 2006-12-13 |
| CN100389159C CN100389159C (en) | 2008-05-21 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418266A (en) * | 2011-10-14 | 2012-04-18 | 吴江市天源塑胶有限公司 | Sterilization paint for artificial leather |
| CN102604039A (en) * | 2012-03-20 | 2012-07-25 | 王全杰 | Preparation method of waterborne polyurethane material with resistance to yellowing |
| CN102618153A (en) * | 2012-03-21 | 2012-08-01 | 北京国泰瑞华精藻硅特种材料有限公司 | Protective coating for electric locomotive |
| CN104877505A (en) * | 2015-06-15 | 2015-09-02 | 合肥启华环保科技有限公司 | Anti-ultraviolet external wall insulation latex paint and preparation method thereof |
| CN105754393A (en) * | 2016-05-21 | 2016-07-13 | 黄金生 | Waterproof coating adhesive |
| CN107723558A (en) * | 2017-10-20 | 2018-02-23 | 烟台大学 | A kind of preparation technology of wear resistant corrosion resistant high-strength die material |
| CN108822249A (en) * | 2018-07-17 | 2018-11-16 | 常州工程职业技术学院 | A kind of Organic-inorganic composite lotion for field of metal surface treatment |
| CN113493622A (en) * | 2021-07-07 | 2021-10-12 | 上海库曜新材料有限公司 | Light-resistant and anti-aging water-based acrylate coating and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1412257A (en) * | 2001-10-16 | 2003-04-23 | 舟山明日纳米材料有限公司 | Preparation method of acrylic resin paint |
| CN1385483A (en) * | 2002-06-20 | 2002-12-18 | 刘尚文 | Nano modified paint used for inner and outer wall |
| CN1521223A (en) * | 2003-02-14 | 2004-08-18 | 王崇高 | Multifunctional green environmental protection type nanometer paint |
| CN1320070C (en) * | 2004-06-14 | 2007-06-06 | 深圳清华大学研究院 | Multifunctional green environment-friendly nano titanium dioxide coating and preparation method thereof |
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2006
- 2006-07-20 CN CNB2006100989940A patent/CN100389159C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418266A (en) * | 2011-10-14 | 2012-04-18 | 吴江市天源塑胶有限公司 | Sterilization paint for artificial leather |
| CN102604039A (en) * | 2012-03-20 | 2012-07-25 | 王全杰 | Preparation method of waterborne polyurethane material with resistance to yellowing |
| CN102618153A (en) * | 2012-03-21 | 2012-08-01 | 北京国泰瑞华精藻硅特种材料有限公司 | Protective coating for electric locomotive |
| CN104877505A (en) * | 2015-06-15 | 2015-09-02 | 合肥启华环保科技有限公司 | Anti-ultraviolet external wall insulation latex paint and preparation method thereof |
| CN105754393A (en) * | 2016-05-21 | 2016-07-13 | 黄金生 | Waterproof coating adhesive |
| WO2017201855A1 (en) * | 2016-05-21 | 2017-11-30 | 黄金生 | Waterproof coating adhesive |
| CN107723558A (en) * | 2017-10-20 | 2018-02-23 | 烟台大学 | A kind of preparation technology of wear resistant corrosion resistant high-strength die material |
| CN107723558B (en) * | 2017-10-20 | 2019-05-14 | 烟台大学 | A kind of preparation process of wear resistant corrosion resistant high-strength die material |
| CN108822249A (en) * | 2018-07-17 | 2018-11-16 | 常州工程职业技术学院 | A kind of Organic-inorganic composite lotion for field of metal surface treatment |
| CN113493622A (en) * | 2021-07-07 | 2021-10-12 | 上海库曜新材料有限公司 | Light-resistant and anti-aging water-based acrylate coating and preparation method thereof |
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| CN100389159C (en) | 2008-05-21 |
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Application publication date: 20061213 Assignee: Foshan Crown Chemical Co., Ltd. Assignor: Yantai University Contract record no.: 2010440000400 Denomination of invention: Preparation method for light-resistant coating Granted publication date: 20080521 License type: Exclusive License Record date: 20100416 |
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