CN103214921A - Reflective heat insulation spray-polyurea elastic coating and preparation method thereof - Google Patents
Reflective heat insulation spray-polyurea elastic coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a reflective heat insulation spray-polyurea elastic coating and a preparation method thereof. The reflective heat insulation spray-polyurea elastic coating comprises a component A and a component B, wherein the component A is a semi-prepolymer formed by reaction of 30-60 parts by weight of isocyanate and 40-70 parts by weight of polyether polyol, and the component B comprises 40-60 parts by weight of an amine-terminated polyether, 20-40 parts by weight of liquid amine chain extender, 0-20 parts by weight of reflective heat insulation filler, 0-10 parts by weight of pigment and filler and 0-10 parts by weight of additive. The invention also discloses the preparation method of the reflective heat insulation spray-polyurea elastic coating. The reflective heat insulation spray-polyurea elastic coating obtained through spraying has a good reflective heat insulation effect, simultaneously has the characteristics of waterproofing, protection, abrasion, impact resistance, corrosion resistance, strong adhesive force and the like and is particularly suitable for building roofs and the surface of various facilities and equipment.
Description
Technical field
The present invention relates to a kind of elastic coating and preparation method thereof, especially relate to a kind of reflective insulation spray polyurea elastomer coating and preparation method thereof, belong to paint field.
Background technology
Under exposure in sunshine, outdoor object can continue accumulation energy, and its surface and internal temperature meeting rising fast cause device very difficult refrigeration that obtain the best when consuming big energy such as air-conditioning.In order to reduce this consumption, from the seventies in last century, foreign study and bringing into use a kind ofly distributes according to solar spectrum energy, the reflective heat-insulation paint that the portion of energy that produces heat in the sunlight is reflected away, compare with traditional cool-down method, it is consumed energy but also can reduce effectively to be exposed to and shine upon down the object surfaces temperature not only, has stoped the transmission of heat to interior of articles from the source, reaches the purpose of energy-conservation cooling.
Spary coating type polyureas elastic coating is the plurality of material properties such as a kind of collection plastics, rubber, coating and glass reinforced plastic that are rapidly developed in recent years, but and have environmental protection, fast setting, superpower toughness, high-strength, high extension, waterproof, wear-resisting, resistance to chemical attack, ageing-resistant, with characteristics such as various basic units cohesive force height, solvent-free and mechanized construction, can spray mo(u)lding on arbitrary surface, inclined-plane and vertical surface, satisfy the high-performance elastic coating of waterproof, protection, multiple needs such as wear-resisting and corrosion-resistant.
Summary of the invention
The present invention has designed a kind of reflective insulation spray polyurea elastomer coating, its objective is solar infrared and ultraviolet ray are carried out the height reflection, do not allow the heat of the sun accumulate intensification at body surface, guarantee that the interior of articles space can keep lasting homothermic state, this coating also has characteristics such as waterproof, protection, wear-resisting, shock-resistant, corrosion-resistant and mechanized construction efficient height simultaneously simultaneously.
Two of purpose of the present invention is to provide this preparation methods.
For achieving the above object, the present invention adopts following technical scheme:
A kind of reflective insulation spray polyurea elastomer coating is characterized in that: constitute by A, B component, described A component by the reaction of isocyanic ester and polyether glycol semi prepolymer form; The B component is made up of Amino Terminated polyether(ATPE), liquid amine chainextender, reflective insulation filler, color stuffing and auxiliary agent, and wherein each ingredients weight parts is:
The A component is made up of 30～60 weight part isocyanic ester, 40～70 weight part polyether glycols,
The B component is made up of 40～60 weight part Amino Terminated polyether(ATPE)s, 20～40 weight part liquid amine chainextenders, 0～20 weight part reflective insulation filler, 0～10 weight part color stuffing and 0～10 weight part auxiliary agent.
In the present invention, described isocyanic ester is selected from tolylene diisocyanate, diphenylmethanediisocyanate, the mixture of one or more in the aromatic isocyanate of polymethine polyphenyl polyisocyanate; Or be selected from one or more mixture in the aliphatic isocyanates of cyclohexyl diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate.
Preferably, described diphenylmethanediisocyanate is selected from 4,4 '-diphenylmethanediisocyanate, 4 of carbodiimide-uretonimine-modified, 4 '-diphenylmethanediisocyanate, 4 of high 2,4 content of isomer, a kind of in 4 '-diphenylmethanediisocyanate and/or more than one mixture.
In the present invention, described polyether glycol is selected from one or more the mixture in polyglycol ether, polypropylene glycol ether, polyglycerol ether, PTMG, the polycaprolactone glycol; Perhaps be selected from by one or more the mixture in one or more multipolymers formed in polyglycol ether, polypropylene glycol ether, polyglycerol ether, PTMG, the polycaprolactone glycol.
Preferably polyether glycol hydroxyl value equivalent is between 1000～3000.
In the present invention, described Amino Terminated polyether(ATPE) is selected from JEFFAMINE T-5000, a kind of among the JEFFAMINE D-2000 and/or more than one mixture.
In the present invention, described amine chain extender is selected from diethyl toluene diamine, diformazan sulfenyl tolylene diamine, N, N '-dialkyl methyl pentanoic, 4,4 '-diaminodiphenyl-methane, 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane, a kind of in the aliphatic category chainextender and/or more than one mixture.
In the present invention, described reflective insulation filler is selected from a kind of in aluminium powder, aluminium-silver slurry, glass microballon, the ceramic fine bead and/or more than one mixture; Described color stuffing is selected from lime carbonate, talcum powder, a kind of in kaolin, organobentonite, aerosil, the titanium dioxide and/or more than one mixture.
Among the present invention, described auxiliary agent comprises oxidation inhibitor, UV light absorber, FLOW IMPROVERS and/or strongthener.
Further, the invention discloses the preparation method of described reflective insulation spray polyurea elastomer coating, may further comprise the steps:
The preparation method of described A component: 40～70 weight part polyether glycols are joined in the reactor of nitrogen protection, under agitation be heated to 100～110 ℃, vacuum tightness was dewatered 2～3 hours under-0.095MPa the condition, remove vacuum, be cooled to below 70 ℃, add 30～60 weight part isocyanic ester, be heated to 80～90 ℃ of reactions 3～4 hours, the cooling discharging that stirs is the A component;
The preparation method of described B component: add 40～60 weight part Amino Terminated polyether(ATPE)s, 20～40 weight part liquid amine chainextenders, 0～20 weight part reflective insulation filler, 0～10 weight part color stuffing and 0～10 weight part auxiliary agent by weight successively in scuffing of cylinder bore, high-speed stirring 1～1.5 hour mixes discharging and is the B component.
Reflective insulation spray polyurea elastomer coating of the present invention can directly be sprayed at building roof and all kinds of facility, equipment surface, once be sprayed into desired thickness, the coating reflective insulation is effective, has characteristics such as waterproof, protection, wear-resisting, shock-resistant, corrosion-resistant and strong adhesion simultaneously.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail.
EXAMPLE l
Described A component is made up of 40 parts of diphenylmethanediisocyanates and 60 parts of polypropylene glycol ether reaction synthetic semi prepolymers.
The B component is made up of 10 parts of Amino Terminated polyether(ATPE) JEFFAMINE T-5000,46 parts of Amino Terminated polyether(ATPE) EFFAMINE D-2000,25 parts of amine chainextender diethyl toluene diamines, 15 parts of superfine aluminium powers, 2 parts of titanium dioxide, 2 parts of UV light absorber.
The preparation method of reflective insulation spray polyurea elastomer coating in the present embodiment may further comprise the steps:
The preparation method of A component: 60 parts of polypropylene glycol ether GE-220A are joined in the reactor of nitrogen protection; under agitation be heated to 100～110 ℃; vacuum tightness is-the 0.095MPa condition under dehydration 2 hours; remove vacuum; be cooled to then below 70 ℃ or 70 ℃; the diphenylmethanediisocyanate WANNATE MDI-100 that adds 40 parts afterwards is heated to 80～90 ℃ of reactions 3 hours, and the cooling discharging that stirs at last is the A component.
The preparation method of B component: adding weight ratio successively is that 10 parts Amino Terminated polyether(ATPE) JEFFAMINE T-5000,46 parts of Amino Terminated polyether(ATPE) JEFFAMINE D-2000,25 parts of amine chainextender diethyl toluene diamine Ethacure-100,15 parts of superfine aluminium powers, 2 parts of titanium dioxide R902,2 parts of UV light absorber B97 are in scuffing of cylinder bore, high-speed stirring 1 hour mixes discharging and is the B component.
During use, A, B component by U.S. Graco company the H-XP3 main frame or E-XP2 main frame and Fusion MP spray gun by the 1:1(volume ratio) be sprayed at building roof and all kinds of facility, equipment surface, it is 1 described that the coating performance test result is seen attached list:
The Main physical performance of subordinate list 1 polyurea elastomer
| Project | Index |
| Gel time | 8 seconds |
| Tensile strength | 18.5MPa |
| Elongation at break | 350% |
| Tear strength | 92KN/m |
| Hardness, Shao D | 52 |
Embodiment 2
Described A component is the starting material synthetic semi prepolymer by following parts by weight: 40 parts of diphenylmethanediisocyanate WANNATE MDI-50(Yantai ten thousand China), 60 parts of polypropylene glycol ether GE-220A(Shanghai Gaoqiao petrochemical industry three factories);
Described B component is to be made by the starting material of following parts by weight: 6 parts of Amino Terminated polyether(ATPE) JEFFAMINE T-5000(U.S. Hensel Man), 45 parts of Amino Terminated polyether(ATPE) JEFFAMINED-2000(U.S. Hensel Man), 25 parts of refined treasured of the amine chainextender diethyl toluene diamine Ethacure-100(U.S.), 20 parts of floated aluminium-silver slurrys, 2 parts of titanium dioxide R902(Duponts), 2 parts of UV light absorber B97(Germany BASFs).
The preparation method of reflective insulation spray polyurea elastomer coating in the present embodiment may further comprise the steps:
The preparation method of A component: 60 parts of polypropylene glycol ether GE-220A are joined in the reactor of nitrogen protection; under agitation be heated to 100～110 ℃; vacuum tightness is-the 0.095MPa condition under dehydration 2 hours; remove vacuum; be cooled to 40 parts of diphenylmethanediisocyanate WANNATE MDI-50 of the adding of back below 70 ℃ or 70 ℃; be heated to 80～90 ℃ of reactions 3 hours then, the cooling discharging that stirs is the A component.
The preparation method of B component: add 6 parts of Amino Terminated polyether(ATPE) JEFFAMINE T-5000,45 parts of Amino Terminated polyether(ATPE) JEFFAMINE D-2000,25 parts of amine chainextender diethyl toluene diamine Ethacure-100,20 parts of floated aluminium-silver slurrys, 2 parts of titanium dioxide R902,2 parts of UV light absorber B97 successively in scuffing of cylinder bore, high-speed stirring 1 hour mixes discharging and is the B component.
During use, A, B component by U.S. Graco company the H-XP3 main frame or E-XP2 main frame and Fusion MP spray gun by the 1:1(volume ratio) be sprayed at building roof and all kinds of facility, equipment surface, it is 2 described that the coating performance test result is seen attached list:
The Main physical performance of subordinate list 2 polyurea elastomer
| Project | Index |
| Gel time | 7 seconds |
| Tensile strength | 19.2MPa |
| Elongation at break | 370% |
| Tear strength | 85KN/m |
| Hardness, Shao D | 48 |
Embodiment 3
Described A component is the starting material synthetic semi prepolymer by following parts by weight: 40 parts of diphenylmethanediisocyanate WANNATE MDI-50(Yantai ten thousand China), 60 parts of polypropylene glycol ether GE-220A(Shanghai Gaoqiao petrochemical industry three factories);
Described B component is to be made by the starting material of following parts by weight: 10 parts of Amino Terminated polyether(ATPE) JEFFAMINE T-5000(U.S. Hensel Man), 53 parts of Amino Terminated polyether(ATPE) JEFFAMINED-2000(U.S. Hensel Man), 25 parts of refined treasured of the amine chainextender diethyl toluene diamine Ethacure-100(U.S.), 8 parts of glass microballon VS5500(Minnesota Mining and Manufacturing Company), 2 parts of titanium dioxide R902(Duponts), 2 parts of UV light absorber B97(Germany BASFs).
The preparation method of reflective insulation spray polyurea elastomer coating in the present embodiment may further comprise the steps:
The preparation method of A component: 60 parts of polypropylene glycol ether GE-220A are joined in the reactor of nitrogen protection; under agitation be heated to 100～110 ℃; vacuum tightness is-the 0.095MPa condition under dehydration 2 hours; remove vacuum; be cooled to 40 parts of diphenylmethanediisocyanate WANNATE MDI-50 of the adding of back below 70 ℃ or 70 ℃; be heated to 80～90 ℃ of reactions 3 hours, the cooling discharging that stirs is the A component.
The preparation method of B component: add 10 parts of Amino Terminated polyether(ATPE) JEFFAMINET-5000,53 parts of Amino Terminated polyether(ATPE) JEFFAMINE D-2000,25 parts of amine chainextender diethyl toluene diamine Ethacure-100,8 parts of glass microballon VS5500,2 parts of titanium dioxide R902,2 parts of UV light absorber B97 successively in scuffing of cylinder bore, high-speed stirring 1 hour mixes discharging and is the B component.
During use, A, B component by U.S. Graco company the H-XP3 main frame or E-XP2 main frame and Fusion MP spray gun by the 1:1(volume ratio) be sprayed at building roof and all kinds of facility, equipment surface, it is 3 described that the coating performance test result sees Table:
The Main physical performance of subordinate list 3 polyurea elastomer
| Project | Index |
| Gel time | 6 seconds |
| Tensile strength | 19.5MPa |
| Elongation at break | 340% |
| Tear strength | 87KN/m |
| Hardness, Shao D | 53 |
Embodiment 4
Described A component is the starting material synthetic semi prepolymer by following parts by weight: 40 parts of diphenylmethanediisocyanate WANNATE MDI-50(Yantai ten thousand China), 60 parts of polypropylene glycol ether GE-220A(Shanghai Gaoqiao petrochemical industry three factories);
Described B component is to be made by the starting material of following parts by weight: 10 parts of Amino Terminated polyether(ATPE) JEFFAMINE T-5000(U.S. Hensel Man), 49 parts of Amino Terminated polyether(ATPE) JEFFAMINED-2000(U.S. Hensel Man), 25 parts of refined treasured of the amine chainextender diethyl toluene diamine Ethacure-100(U.S.), 12 parts of ceramic fine bead W-210(Minnesota Mining and Manufacturing Company), 2 parts of titanium dioxide R902(Duponts), 2 parts of UV light absorber B97(Germany BASFs).
The preparation method of reflective insulation spray polyurea elastomer coating in the present embodiment may further comprise the steps:
The preparation method of A component: 60 parts of polypropylene glycol ether GE-220A are joined in the reactor of nitrogen protection; under agitation be heated to 100～110 ℃; vacuum tightness is-the 0.095MPa condition under dehydration 2 hours; remove vacuum; be cooled to 40 parts of diphenylmethanediisocyanate WANNATE MDI-50 of the adding of back below 70 ℃ or 70 ℃; be heated to 80～90 ℃ of reactions 3 hours, the cooling discharging that stirs is the A component.
The preparation method of B component: add 10 parts of Amino Terminated polyether(ATPE) JEFFAMINET-5000,49 parts of Amino Terminated polyether(ATPE) JEFFAMINE D-2000,25 parts of amine chainextender diethyl toluene diamine Ethacure-100,12 parts of ceramic fine bead W-210,2 parts of titanium dioxide R902,2 parts of UV light absorber B97 successively in scuffing of cylinder bore, high-speed stirring 1 hour mixes discharging and is the B component.
During use, A, B component by U.S. Graco company the H-XP3 main frame or E-XP2 main frame and Fusion MP spray gun by the 1:1(volume ratio) be sprayed at building roof and all kinds of facility, equipment surface, it is 4 described that the coating performance test result sees Table:
The Main physical performance of subordinate list 4 polyurea elastomer
| Project | Index |
| Gel time | 8 seconds |
| Tensile strength | 17.8MPa |
| Elongation at break | 325% |
| Tear strength | 83KN/m |
| Hardness, Shao D | 50 |
By above-mentioned experimental data as can be seen, coating of the present invention is all good by every performance under described composition, satisfies application demand.
Claims (9)
1. reflective insulation spray polyurea elastomer coating is characterized in that: constitute by A, B component, described A component by isocyanic ester and polyether glycol reaction and semi prepolymer form; The B component is made up of Amino Terminated polyether(ATPE), liquid amine chainextender, reflective insulation filler, color stuffing and auxiliary agent, and wherein each ingredients weight parts is:
The A component is made up of 30～60 weight part isocyanic ester, 40～70 weight part polyether glycols,
The B component is made up of 40～60 weight part Amino Terminated polyether(ATPE)s, 20～40 weight part liquid amine chainextenders, 0～20 weight part reflective insulation filler, 0～10 weight part color stuffing and 0～10 weight part auxiliary agent.
2. reflective insulation spray polyurea elastomer coating according to claim 1, it is characterized in that: described isocyanic ester is selected from tolylene diisocyanate, diphenylmethanediisocyanate, the mixture of one or more in the aromatic isocyanate of polymethine polyphenyl polyisocyanate; Or be selected from one or more mixture in the aliphatic isocyanates of cyclohexyl diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate.
3. reflective insulation spray polyurea elastomer coating according to claim 2, it is characterized in that: described diphenylmethanediisocyanate is selected from 4,4 '-diphenylmethanediisocyanate, 4 of carbodiimide-uretonimine-modified, 4 '-diphenylmethanediisocyanate, 4 of high 2,4 content of isomer, a kind of in 4 '-diphenylmethanediisocyanate and/or more than one mixture.
4. according to the described reflective insulation spray polyurea elastomer of claim 1 coating, it is characterized in that: described polyether glycol is selected from one or more the mixture in polyglycol ether, polypropylene glycol ether, polyglycerol ether, PTMG, the polycaprolactone glycol; Perhaps be selected from by one or more the mixture in one or more multipolymers formed in polyglycol ether, polypropylene glycol ether, polyglycerol ether, PTMG, the polycaprolactone glycol.
5. according to the described reflective insulation spray polyurea elastomer of claim 4 coating, it is characterized in that: described polyether glycol hydroxyl value equivalent is between 1000～3000.
6. according to the described reflective insulation spray polyurea elastomer of claim 1 coating, it is characterized in that: described amine chain extender is selected from diethyl toluene diamine, diformazan sulfenyl tolylene diamine, N, N '-dialkyl methyl pentanoic, 4,4 '-diaminodiphenyl-methane, 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane, a kind of in the aliphatic category chainextender and/or more than one mixture.
7. according to the described reflective insulation spray polyurea elastomer of claim 1 coating, it is characterized in that: described reflective insulation filler is selected from a kind of in aluminium powder, aluminium-silver slurry, glass microballon, the ceramic fine bead and/or more than one mixture; Described color stuffing is selected from lime carbonate, talcum powder, a kind of in kaolin, organobentonite, aerosil, the titanium dioxide and/or more than one mixture.
8. reflective insulation spray polyurea elastomer coating according to claim 1, it is characterized in that: described auxiliary agent comprises oxidation inhibitor, UV light absorber, FLOW IMPROVERS and/or strongthener.
9. the preparation method of the described reflective insulation spray polyurea elastomer of claim 1 coating is characterized in that:
The preparation method of described A component: 40～70 weight part polyether glycols are joined in the reactor of nitrogen protection, under agitation be heated to 100～110 ℃, vacuum tightness was dewatered 2～3 hours under-0.095MPa the condition, remove vacuum, be cooled to below 70 ℃, add 30～60 weight part isocyanic ester, be heated to 80～90 ℃ of reactions 3～4 hours, the cooling discharging that stirs is the A component;
The preparation method of described B component: add 40～60 weight part Amino Terminated polyether(ATPE)s, 20～40 weight part liquid amine chainextenders, 0～20 weight part reflective insulation filler, 0～10 weight part color stuffing and 0～10 weight part auxiliary agent by weight successively in scuffing of cylinder bore, high-speed stirring 1～1.5 hour mixes discharging and is the B component.
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| CN106279600A (en) * | 2016-08-11 | 2017-01-04 | 王斐芬 | High ferro waterproof material |
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| CN115466562A (en) * | 2022-09-06 | 2022-12-13 | 安徽先进建筑材料研究院有限公司 | Wharf steel column anti-corrosion coating and preparation method thereof |
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| CN104497823A (en) * | 2014-10-20 | 2015-04-08 | 上海东方雨虹防水技术有限责任公司 | Explosion-proof energy-absorbing polyurea elastic coating and preparation method thereof |
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| CN105585945B (en) * | 2016-03-14 | 2018-07-27 | 北京东方雨虹防水技术股份有限公司 | A kind of white polyurea waterproof coating material and application |
| CN106279600A (en) * | 2016-08-11 | 2017-01-04 | 王斐芬 | High ferro waterproof material |
| CN106752842A (en) * | 2016-11-22 | 2017-05-31 | 赖禄波 | wear-resistant paint and preparation method thereof |
| CN107603440A (en) * | 2017-08-22 | 2018-01-19 | 山西省建筑科学研究院 | The preparation method of polyurea type reflective heat-insulation paint for building |
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Application publication date: 20130724 |