CN105885595A - Preparation method of self-cleaning organoslicon modified acrylic resin heat-insulating reflective paint - Google Patents
Preparation method of self-cleaning organoslicon modified acrylic resin heat-insulating reflective paint Download PDFInfo
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
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- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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Abstract
The invention discloses a preparation method of self-cleaning organoslicon modified acrylic resin heat-insulating reflective paint. The self-cleaning heat-insulating reflective paint which has high performance is obtained by utilizing synergism of self-cleaning organosilicon modified acrylic resin and heat-insulating reflective filler. The preparation method includes: (1), using organosilicon monomer and acrylic or acrylate monomer as raw materials, adding an emulsifier and deionized water, and under action of an initiator, preparing an organosilicon modified acrylic resin emulsion; (2), stirring and mixing nano ATO powder, nano TiO2 powder, hollow glass beads and an ultraviolet absorber UV329 in a high-speed stirrer according to a certain proportion to form the heat-insulating reflective filler for standby use; (3), mixing a certain amount of the organosilicon modified acrylic resin emulsion, the heat-insulating reflective filler, a dispersant, a deformer and a film forming auxiliary, fully stirring the same in the high-speed stirrer to obtain the self-cleaning organoslicon modified acrylic resin heat-insulating reflective paint with good dispersion effect.
Description
Technical field
The present invention relates to a kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting preparation method for coating, belong to preparation and the application of high performance resin base coating.
Background technology
Recently as science and technology and the fast development of social production, the consumption to the energy increased severely with day, and natural environment goes from bad to worse the most therewith, there is a growing awareness that environment and energy problem have become as urgent problem.In this context, environmental friendliness that what various countries' research worker was the most positive develop, energy efficient new material to adapt to the demand in epoch.The automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating of present invention exploitation i.e. belongs to this type of new material.
Acrylic resin has that color is shallow, transparency is high, good corrosion resistance, adhesive force are strong, tough and tensile, pliable and tough, color just, protect light, light is plentiful, absorb the features such as little in ultrared.But, due to the temperature tolerance of acrylate, resistance to water, poor air permeability, limit its extensive application.Therefore, during as heat insulating reflecting paint binder, need to be modified processing to it.Organic silicon monomer and polymer thereof have extremely low surface can, its Si-O key has the highest bond energy, much larger than C-C bond energy, C-O bond energy, key rotates easily, there is low vitrification point, these characteristics give its outstanding resistance to water, resistant of high or low temperature, weatherability, gloss retention, flexibility, resistance to impact, breathability.The present invention uses organosilicon to be modified acrylic resin, prepare the modified resin having the two characteristic concurrently, the surface significantly reducing acrylic resin can, make it have self-cleaning property, in modified resin, add heat insulating reflecting filler more afterwards, finally prepare automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating.
Summary of the invention
It is an object of the invention to, for the most serious environment and energy problem, it is provided that the preparation method of a kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating.
Realization the technical scheme is that, the present invention utilizes automatically cleaning organosilicon modified crylic acid resin and the synergism of heat insulating reflecting filler, it is thus achieved that high performance automatically cleaning heat insulating reflecting coating.
The preparation method of the present invention a kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating comprises the following steps:
(1) with organic silicon monomer and acrylic acid or acrylic ester monomer as raw material, add emulsifying agent, deionized water, under the effect of initiator, prepare organosilicon modified crylic acid resin emulsion.
(2) by a certain percentage by nano ATO powder body, nano-TiO2Powder body, hollow glass micropearl, the faint yellow powder body of ultraviolet absorber UV 329(, chemical name: 2-(2'-hydroxyl-5'-t-octyl phenyl) benzotriazole) in homogenizer stirring to be mixed into heat insulating reflecting filler standby；
(3) a certain amount of organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, coalescents are mixed, be sufficiently stirred for preparing finely disseminated automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating afterwards through homogenizer.
Two or more mixture that organic silicon monomer is vinyl trimethylsilane, VTES, dimethylethyloxy vinyl silanes, diphenylacetylene Ethoxysilane, methyl vinyl diethoxysilane, γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropyl, or above-mentioned monomer that the present invention uses.
Acrylic acid or acrylic ester monomer that the present invention uses are acrylic acid, acrylic acid methyl ester., ethyl acrylate, butyl acrylate or methyl methacrylate, or two or more mixture of above-mentioned monomer.
Initiator is Ammonium persulfate. or potassium peroxydisulfate.
Dispersant is sodium hexameta phosphate, sodium tripolyphosphate or sodium pyrophosphate, or two or more mixture of above-mentioned monomer.
Emulsifying agent is OP-10, sodium lauryl sulphate, dodecyl sodium sulfate or dodecylbenzene sodium sulfonate, or two or more mixture of above-mentioned monomer.
Defoamer is polyether modified silicon oil series.
Coalescents is two or more mixture of Lauryl Alcohol ester, benzyl alcohol, butyl glycol ether, propylene glycol phenylate, or above-mentioned monomer.
By appropriate organic silicon monomer and acrylic acid or acrylic ester monomer, initiator, deionized water, emulsifying agent addition three-neck flask in step of the present invention (1), in ice-water bath high speed stirring and emulsifying 20-60min, it is warmed up to 75-85 DEG C afterwards, insulated and stirred reaction 3.0-5.0h, it is down to room temperature, with ammonia regulation pH value to neutral, filters, discharging, i.e. can get organosilicon modified crylic acid resin emulsion.
Nano ATO powder body, nano-TiO in step of the present invention (2)2Powder body, hollow glass micropearl with the mass ratio of ultraviolet absorber UV 329 be: 100:(10-60): (5-70): (0.1-10).
In step of the present invention (3), organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, the mass ratio of coalescents are 100:(1-45): (0.1-18): (0.3-20): (0.2-25).
In step of the present invention (3), organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, the speed of coalescents stirring inside homogenizer are 500-4500r/min, and mixing time is 0.5-1.5h.
The invention has the beneficial effects as follows, the automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating article of present invention synthesis has automatically cleaning and the heat insulating reflecting performance of excellence, synthesis technique is easy, and goods extensively can be applied in chemical industry, building, the industry such as electric.
Detailed description of the invention
Embodiment 1
The preparation of the present embodiment automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating follows these steps to:
(1) the producing of organosilicon modified crylic acid resin emulsion: 12.0 grams of VTESs and 35.0 grams of acrylic acid, 3.2 grams of potassium peroxydisulfates, 30.0 grams of deionized waters, 5.0 grams of OP-10,2.0 grams of dodecyl sodium sulfates are added three-neck flasks, in ice-water bath high speed stirring and emulsifying 45min, it is warmed up to 75 DEG C afterwards, insulated and stirred reaction 4.5h, it is down to room temperature, with ammonia regulation pH value to neutral, filters, discharging, i.e. can get organosilicon modified crylic acid resin emulsion.
(2) the producing of heat insulating reflecting filler: weigh 100.0 grams of nano ATO powder body, 15.0 grams of nano-TiOs successively2Powder body, 20.0 grams of hollow glass micropearls and 0.5 gram of ultraviolet absorber UV 329, pouring mixing speed into is in 3300r/min homogenizer, stirs 10min, i.e. can get heat insulating reflecting filler.
(3) prepared by automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating: weigh 100 grams of organosilicon modified crylic acid resin emulsions, 20.0 grams of heat insulating reflecting fillers, 2.0 grams of sodium hexameta phosphate, 0.7 gram of polyether modified silicon oil, 0.5 gram of Lauryl Alcohol ester successively, inject in the homogenizer that mixing speed is 4000r/min, stirring 35min, i.e. can get automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating.
Embodiment 2
The preparation of the present embodiment automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating follows these steps to:
(1) the producing of organosilicon modified crylic acid resin emulsion: by 7.0 grams of diphenylacetylene Ethoxysilanes, 5.0 grams of γ-methacryloxypropyl trimethoxy silane and 15.0 grams of acrylic acid, 20 grams of butyl acrylate, 3.6 grams of Ammonium persulfate .s, 38.0 gram deionized water, 6.0 grams of OP-10, 4.0 grams of sodium lauryl sulphates add three-neck flask, in ice-water bath high speed stirring and emulsifying 50min, it is warmed up to 80 DEG C afterwards, insulated and stirred reaction 5.0h, it is down to room temperature, with ammonia regulation pH value to neutral, filter, discharging, i.e. can get organosilicon modified crylic acid resin emulsion.
(2) the producing of heat insulating reflecting filler: weigh 100.0 grams of nano ATO powder body, 20.0 grams of nano-TiOs successively2Powder body, 16.0 grams of hollow glass micropearls and 0.3 gram of ultraviolet absorber UV 329, pouring mixing speed into is in 3600r/min homogenizer, stirs 10min, i.e. can get heat insulating reflecting filler.
(3) prepared by automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating: weigh 100 grams of organosilicon modified crylic acid resin emulsions, 30.0 grams of heat insulating reflecting fillers, 3.0 grams of sodium pyrophosphates, 1.0 grams of polyether modified silicon oils, 0.9 gram of benzyl alcohol successively, inject in the homogenizer that mixing speed is 4200r/min, stirring 45min, i.e. can get automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating.
Embodiment 3
The preparation of the present embodiment automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating follows these steps to:
(1) the producing of organosilicon modified crylic acid resin emulsion: 12.0 methyl vinyl diethoxysilane and 15.0 grams of acrylic acid, 15.0 grams of butyl acrylate, 5.0 grams of methyl methacrylates, 3.5 grams of potassium peroxydisulfates, 35.0 grams of deionized waters, 8.0 grams of OP-10,4.0 grams of dodecylbenzene sodium sulfonate are added three-neck flasks, in ice-water bath high speed stirring and emulsifying 50min, it is warmed up to 80 DEG C afterwards, insulated and stirred reaction 5.0h, it is down to room temperature, with ammonia regulation pH value to neutral, filter, discharging, i.e. can get organosilicon modified crylic acid resin emulsion.
(2) the producing of heat insulating reflecting filler: weigh 100.0 grams of nano ATO powder body, 25.0 grams of nano-TiOs successively2Powder body, 10.0 grams of hollow glass micropearls and 0.2 gram of ultraviolet absorber UV 329, pouring mixing speed into is in 3600r/min homogenizer, stirs 10min, i.e. can get heat insulating reflecting filler.
(3) prepared by automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating: weigh 100 grams of organosilicon modified crylic acid resin emulsions, 25.0 grams of heat insulating reflecting fillers, 3.0 grams of sodium tripolyphosphates, 0.6 gram of polyether modified silicon oil, 0.7 gram of butyl glycol ether successively, inject in the homogenizer that mixing speed is 4000r/min, stirring 40min, i.e. can get automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating.
Claims (7)
1. the preparation method of an automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterised in that the step of described method is:
(1) with organic silicon monomer and acrylic acid or acrylic ester monomer as raw material, add emulsifying agent, deionized water, under the effect of initiator, prepare organosilicon modified crylic acid resin emulsion；
(2) by a certain percentage by nano ATO powder body, nano-TiO2Powder body, hollow glass micropearl, ultraviolet absorber UV329 stir in homogenizer that to be mixed into heat insulating reflecting filler standby；
(3) a certain amount of organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, coalescents are mixed, be sufficiently stirred for preparing finely disseminated automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating afterwards through homogenizer.
A kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting preparation method for coating, it is characterised in that:
Described organic silicon monomer is two or more mixture of vinyl trimethylsilane, VTES, dimethylethyloxy vinyl silanes, diphenylacetylene Ethoxysilane, methyl vinyl diethoxysilane, γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropyl, or above-mentioned monomer；
Described acrylic acid or acrylic ester monomer are acrylic acid, acrylic acid methyl ester., ethyl acrylate, butyl acrylate or methyl methacrylate, or two or more mixture of above-mentioned monomer；
Described initiator is Ammonium persulfate. or potassium peroxydisulfate；
Described dispersant is sodium hexameta phosphate, sodium tripolyphosphate or sodium pyrophosphate, or two or more mixture of above-mentioned monomer；
Described emulsifying agent is OP-10, sodium lauryl sulphate, dodecyl sodium sulfate or dodecylbenzene sodium sulfonate, or two or more mixture of above-mentioned monomer；
Described defoamer is polyether modified silicon oil series；
Described coalescents is two or more mixture of Lauryl Alcohol ester, benzyl alcohol, butyl glycol ether, propylene glycol phenylate, or above-mentioned monomer.
A kind of preparation method of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterized in that, the preparation process of described organosilicon modified crylic acid resin emulsion is as follows: by appropriate organic silicon monomer and acrylic acid or acrylic ester monomer, initiator, deionized water, emulsifying agent adds three-neck flask, in ice-water bath high speed stirring and emulsifying 20-60min, it is warmed up to 75-85 DEG C afterwards, insulated and stirred reaction 3.0-5.0h, it is down to room temperature, with ammonia regulation pH value to neutral, filter, discharging, i.e. can get organosilicon modified crylic acid resin emulsion.
The preparation method of a kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterised in that in the preparation of described heat insulating reflecting filler, nano ATO powder body, nano-TiO2Powder body, hollow glass micropearl with the mass ratio of ultraviolet absorber UV 329 be: 100:(10-60): (5-70): (0.1-10).
A kind of preparation method of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterized in that, in described step (3), organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, the mass ratio of coalescents are 100:(1-45): (0.1-18): (0.3-20): (0.2-25).
A kind of preparation method of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterized in that, in the preparation of described automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, organosilicon modified crylic acid resin emulsion, heat insulating reflecting filler, dispersant, defoamer, the speed of coalescents stirring inside homogenizer are 500-4500r/min, and mixing time is 0.5-1.5h.
The preparation method of a kind of automatically cleaning organosilicon modified crylic acid resin heat insulating reflecting coating, it is characterised in that described ultraviolet absorber UV329, faint yellow powder body, chemical name: 2-(2'-hydroxyl-5'-t-octyl phenyl) benzotriazole.
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| CN109135562A (en) * | 2018-07-11 | 2019-01-04 | 合肥同佑电子科技有限公司 | A kind of insulating moulding coating of high temperature resistant crack resistence |
| CN109321065A (en) * | 2018-10-09 | 2019-02-12 | 广东嘉宝莉科技材料有限公司 | A kind of transparent drawing board paint and preparation method thereof |
| CN109370358A (en) * | 2018-09-10 | 2019-02-22 | 浙江天姥建设发展有限公司 | A kind of external wall antifouling paint and preparation method thereof |
| CN109825144A (en) * | 2019-02-27 | 2019-05-31 | 江西省龙海化工有限公司 | A kind of preparation method of waterborne normal-temperature self-crosslinking automatically cleaning insulating moulding coating |
| CN110256930A (en) * | 2019-07-10 | 2019-09-20 | 广东省科学院产业技术育成中心 | A kind of high performance organo-silicon coating |
| CN110484081A (en) * | 2018-05-15 | 2019-11-22 | 湖北文理学院 | A kind of polyacrylic acid coating of heat-insulating flame-retardant and preparation method thereof |
| CN110684411A (en) * | 2018-12-10 | 2020-01-14 | 哈尔滨雨阳佳泰环保新材料有限公司 | Nano TiO with catalytic property2Reflective heat-insulating finish paint and preparation and application thereof |
| CN111073437A (en) * | 2020-01-02 | 2020-04-28 | 孙夏芬 | Composite hollow microsphere modified waterborne acrylic acid heat-insulating coating and preparation method thereof |
| CN113698832A (en) * | 2021-07-13 | 2021-11-26 | 嘉宝莉化工集团股份有限公司 | Self-cleaning outdoor water-based nano tin antimony oxide-silicon dioxide/silicon acrylic composite transparent heat-insulating coating and preparation method thereof |
| CN115160722A (en) * | 2022-08-24 | 2022-10-11 | 江西省科学院应用化学研究所 | Preparation method of organosilicon modified resin nano waterproof material for building |
| CN115650619A (en) * | 2022-12-19 | 2023-01-31 | 江西省科学院应用化学研究所 | Preparation method of heat-insulation reflective artificial colored sand for building |
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