CN103062961A - Heat-pump water heater titanium evaporator and manufacturing method thereof - Google Patents
Heat-pump water heater titanium evaporator and manufacturing method thereof Download PDFInfo
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- CN103062961A CN103062961A CN2011103248236A CN201110324823A CN103062961A CN 103062961 A CN103062961 A CN 103062961A CN 2011103248236 A CN2011103248236 A CN 2011103248236A CN 201110324823 A CN201110324823 A CN 201110324823A CN 103062961 A CN103062961 A CN 103062961A
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- titanium oxide
- titanium
- evaporimeter
- nano titanium
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000010936 titanium Substances 0.000 title claims abstract description 27
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 9
- 229910001868 water Inorganic materials 0.000 title abstract description 9
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 230000008020 evaporation Effects 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 19
- 229920002521 macromolecule Polymers 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 11
- FQIRQSFRGRZFDS-UHFFFAOYSA-N [O-2].[Ti+4].[Ag+] Chemical compound [O-2].[Ti+4].[Ag+] FQIRQSFRGRZFDS-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 230000001476 alcoholic effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000007822 coupling agent Substances 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- -1 nano zine oxide Substances 0.000 claims description 5
- 239000005543 nano-size silicon particle Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000011147 inorganic material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- UNIYDALVXFPINL-UHFFFAOYSA-N 3-(2-methylprop-2-enoyloxy)propylsilicon Chemical compound CC(=C)C(=O)OCCC[Si] UNIYDALVXFPINL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 3
- MCEBKLYUUDGVMD-UHFFFAOYSA-N [SiH3]S(=O)=O Chemical compound [SiH3]S(=O)=O MCEBKLYUUDGVMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 150000004678 hydrides Chemical class 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000098 polyolefin Chemical class 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical class [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 150000002484 inorganic compounds Chemical class 0.000 abstract description 5
- 239000004408 titanium dioxide Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 150000002894 organic compounds Chemical class 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 abstract description 2
- 230000003115 biocidal effect Effects 0.000 abstract description 2
- 239000005030 aluminium foil Substances 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000010148 water-pollination Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000083879 Polyommatus icarus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Abstract
The invention discloses a heat-pump water heater titanium evaporator and a manufacturing method thereof. The heat-pump water heater titanium evaporator comprises evaporation pipes and fins, wherein titanium coatings are coated on the fins, each titanium coating is mainly composed of nanometer titanium dioxide, nanometer silver nitrate, polymeric dispersants and adhesives, and the nanometer titanium dioxide is processed through surface organic and inorganic compound film wrapping. Due to the facts that the titanium coating is mainly composed of anatase nanometer titanium dioxide, and the nanometer titanium dioxide is processed through surface organic and inorganic compound film wrapping, various organics attached to the surfaces of the coatings can be dissolved and removed, and therefore a heat exchanger has long-term stable antibiosis and mildew removing effects, and the problem that in an existing heat-pump water heater, heat exchanging property is affected by dust and bacterium which are easily generated on the fins of the evaporator is solved.
Description
Technical field
The present invention relates to the air supply rate technical field, more particularly, relate to titanium evaporimeter of a kind of Teat pump boiler and preparation method thereof.
Background technology
Many Zhou Suozhi, the evaporimeter of Teat pump boiler is one of core component, its heat transfer effect directly affects the efficient of Teat pump boiler water heating.Evaporimeter is made of with the aluminium foil that contacts with the tube wall tensioner evaporation tube.Traditional evaporimeter does not have the function of sterilization and scale removal, usually in use for some time, the main frame evaporator surface easily long-pending full dirt or occur mouldy, become mildewed, form the bacterium bed.Its harm is well imagined.This is because what major part was used on the Teat pump boiler main frame on the existing market is common hydrophilic aluminium foil.Common hydrophilic aluminium foil only has certain hydrophily, not the self-cleaning function of tool.And, after common hydrophilic aluminium foil uses certain hour, owing to surface coverage dirt and dust hydrophily is descended, thereby water also can descend in its surface mobility, the water bridge of accumulation can increase, the generation windage affects heat exchange property.Behind the long-pending full dirt of heat exchanger thermal resistance is increased, the hydrophily, the windage that also affect simultaneously aluminium foil increase, so that the air-conditioning heat exchange efficiency descends, energy consumption increases, and dust and dirt easily accelerate the burn into oxidation of coming off of water wetted material and aluminium foil, shortens the service life of air-conditioning.And existing Teat pump boiler main frame evaporator fin is common blue hydrophilic aluminium foil, can not decompose, remove the various organic matters that are attached to aluminium foil surface, do not have the effect of degerming.。
Summary of the invention
The deficiency that the object of the invention exists in order to overcome above-mentioned prior art provides a kind of titanium evaporimeter with Teat pump boiler of hydrophilic and automatically cleaning ability, thereby makes Teat pump boiler have the effect of more energy-conserving and environment-protective.
The technical solution used in the present invention is: a kind of titanium evaporimeter of Teat pump boiler, comprise evaporation tube and fin, cover on the described fin and scribble the titanium coating, the key component of described titanium coating material comprises nano titanium oxide, nanometer silver nitrate, macromolecule dispersing agent and adhesive, and described nano titanium oxide is through the organic and inorganic composite coated processing in surface.
The organic and inorganic composite coated processing material of described nano titanium oxide comprises that nano silicon, nano-aluminium oxide, nano zine oxide, silicon are coupling agent, and described silicon is that coupling agent is a kind of in vinyl silanes, epoxy radicals silicone hydride, hydrosulphonyl silane and the methacryloxypropyl silane.
Described macromolecule dispersing agent refers to one or more the macromolecular compound in TPO, polyolefin salt, polyacrylic, polyacrylate, the polysiloxane-based macromolecular compound.
Described adhesive is acrylic resin.
A kind of preparation method of titanium evaporimeter of Teat pump boiler may further comprise the steps:
S1) use is processed organic and inorganic material with the nano titanium oxide surface-coating;
S2) macromolecule dispersing agent, adhesive are joined in the absolute ethyl alcohol, fully stirred 10-15 minute, then nanometer silver nitrate and the nano titanium oxide that obtains in step S1 are joined in the ethanol solution that stirs, use high speed dispersor to disperse just can obtain in 20-30 minute the compound alcoholic solution of nano titanium oxide silver ion;
S3) with spray gun that the compound alcohol solution spraying of nano titanium oxide silver ion is surperficial to the evaporator fin of Teat pump boiler;
S4) oven dry under 120-150 ℃ of environment temperature, cooling.
The constituent mass percent concentration of the compound alcoholic solution of described nano titanium oxide silver ion: nano titanium oxide 3%-5%, macromolecule dispersing agent are 1%-3%, and adhesive is 3-6%, nano-silver ionic 0.3%-0.8%, absolute ethyl alcohol 90%-92%.
Compared with prior art, the present invention has the following advantages:
1, because the titanium coating of evaporimeter mainly contains nanometer anatase titania, and nano titanium oxide is organic and inorganic compound coating processing through the surface, the wearability of the nano silicon reinforced composite of coating inorganic material, the heat resistance of nano-aluminium oxide reinforced composite and corrosion resistance, the sterilization of nano zine oxide reinforced composite and capacity of decomposition.Can decompose, remove the various organic matters that are attached to coating surface.Thereby use evaporimeter to have the antibiotic except mould effect of long-term stability.
2, titanium coating of the present invention has Superhydrophilic and super-oleophilic, so its surface has self_cleaning effect, namely its surface have antifouling, antifog, easily wash, the characteristics such as Yi Gan, guaranteed that the heat exchanger effectiveness of heat exchanger remains unchanged, long-term efficient.Compare with common hydrophilic coating, fin surface is the contamination dirt not, and the aluminium foil anticorrosion is good, the life-span is long, and thermal conductivity is better, and windage is lower, and the heat exchange efficiency of air is higher.
The specific embodiment
The present invention discloses a kind of titanium evaporimeter of Teat pump boiler, comprise evaporation tube and fin, cover on the fin and scribble the titanium coating, the key component of titanium coating material comprises nano titanium oxide, nanometer silver nitrate, macromolecule dispersing agent and adhesive, and wherein nano titanium oxide is through the organic and inorganic composite coated processing in surface.
Nano titanium oxide (anatase titanium dioxide TiO2TiO2) as the major function composition is of a size of 7-10nm, and its photocatalytic activity is higher than rutile.The present invention utilizes the highly stable chemical property of anatase titanium dioxide TiO2TiO2, and is all inoperative to oxygen, ammonia, nitrogen, hydrogen sulfide, carbon dioxide, sulfur dioxide, water insoluble, fatty, also is insoluble to diluted acid and inorganic acid, alkali, only is dissolved in hydrofluoric acid.But under light action, continuous redox reaction can occur in titanium dioxide, and especially its photochemical activity is quite high under the ultraviolet ray irradiation.The capacity of decomposition of evaporimeter is fully guaranteed.The component of sterilization is nanometer silver nitrate (AgNO3), and size is too at 7-10nm.Nano titanium oxide need be processed with inorganic compound coating through the surface is organic, the inorganic material that coating is processed comprises nano silicon (SiO2), nano-aluminium oxide (Al2O3), nano zine oxide (ZnO2), and the organic material that coating is processed comprises that silicon is coupling agent.Wherein, the effect of nano silicon is the wearability of reinforced composite, and the effect of nano-aluminium oxide is heat resistance and the corrosion resistance of reinforced composite, and the effect of nano zine oxide is sterilization and the capacity of decomposition of reinforced composite.Silicon is that coupling agent adopts a kind of in vinyl silanes, epoxy radicals silicone hydride, hydrosulphonyl silane and the methacryloxypropyl silane.Macromolecule dispersing agent refers to one or more the macromolecular compound in TPO, polyolefin salt, polyacrylic, polyacrylate, the polysiloxane-based macromolecular compound.Disperbyk103, Disperbyk106, Disperbyk107 such as German Bi Ke (BYK) chemical company; The Solsperse3000 of Avecia company, Solsperse3000; EFKA-44, EFKA-46, the EFKA-71 of (EFKA) of Holland EFKA auxiliary agent company; AB1010, AB1015, AB1030 in the Elvacite dispersant of E.I.Du Pont Company.Adhesive is acrylic resin.Solvent is absolute ethyl alcohol.
The technical process of titanium evaporimeter of the present invention is as follows: a certain proportion of macromolecule dispersing agent is joined in the absolute ethyl alcohol, then add adhesive, use mixer fully to stir 10-15 minute, then the surface is joined in the ethanol solution that stirs through nano titanium oxide and nanometer silver nitrate organic and that inorganic compound coating is processed simultaneously, use high speed dispersor to disperse just can obtain in 20-30 minute the compound alcoholic solution of nano titanium oxide silver ion.
The compound alcoholic solution of the nano titanium oxide silver ion that the present invention makes uses the spray gun spraying method to spray on the fin surface of Teat pump boiler main frame, then after passing through 120-150 ℃ of oven for drying, alcohol all volatilizees, cooled off the titanium material can be brought into play optimum efficiency hydrophilic, self-cleaning function 24 hours.Wherein, the constituent mass percent concentration of the compound alcoholic solution of nano titanium oxide silver ion is prepared in following ratio: nano titanium oxide 3%-5%, macromolecule dispersing agent are 1%-3%, and adhesive is 3-6%, nano-silver ionic 0.3%-0.8%, absolute ethyl alcohol 90%-92%.
The above only is preferred embodiment of the present invention, can not be as the restriction of claim of the present invention, and the modification of doing on without creative work, be equal to and replace and improvement etc., all should be included within the scope of claim of the present invention.
Claims (6)
1. the titanium evaporimeter of a Teat pump boiler, comprise evaporation tube and fin, it is characterized in that: cover on the described fin and scribble the titanium coating, the key component of described titanium coating material comprises nano titanium oxide, nanometer silver nitrate, macromolecule dispersing agent and adhesive, and described nano titanium oxide is through the organic and inorganic composite coated processing in surface.
2. the titanium evaporimeter of Teat pump boiler according to claim 1, it is characterized in that: the organic and inorganic composite coated processing material of described nano titanium oxide comprises that nano silicon, nano-aluminium oxide, nano zine oxide, silicon are coupling agent, and described silicon is that coupling agent is a kind of in vinyl silanes, epoxy radicals silicone hydride, hydrosulphonyl silane and the methacryloxypropyl silane.
3. the titanium evaporimeter of Teat pump boiler according to claim 1 is characterized in that: described macromolecule dispersing agent refers to one or more the macromolecular compound in TPO, polyolefin salt, polyacrylic, polyacrylate, the polysiloxane-based macromolecular compound.
4. the titanium evaporimeter of Teat pump boiler according to claim 1, it is characterized in that: described adhesive is acrylic resin.
5. the preparation method of the titanium evaporimeter of Teat pump boiler according to claim 1 is characterized in that may further comprise the steps:
S1) use is processed organic and inorganic material with the nano titanium oxide surface-coating;
S2) macromolecule dispersing agent, adhesive are joined in the absolute ethyl alcohol, fully stirred 10-15 minute, then nanometer silver nitrate and the nano titanium oxide that obtains in step S1 are joined in the ethanol solution that stirs, use high speed dispersor to disperse just can obtain in 20-30 minute the compound alcoholic solution of nano titanium oxide silver ion;
S3) with spray gun that the compound alcohol solution spraying of nano titanium oxide silver ion is surperficial to the evaporator fin of Teat pump boiler;
S4) oven dry under 120-150 ℃ of environment temperature, cooling.
6. preparation method according to claim 5, it is characterized in that: the constituent mass percent concentration of the compound alcoholic solution of described nano titanium oxide silver ion: nano titanium oxide 3%-5%, macromolecule dispersing agent is 1%-3%, adhesive is 3-6%, nano-silver ionic 0.3%-0.8%, absolute ethyl alcohol 90%-92%.
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CN2011103248236A CN103062961A (en) | 2011-10-22 | 2011-10-22 | Heat-pump water heater titanium evaporator and manufacturing method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016000131A1 (en) * | 2014-06-30 | 2016-01-07 | Dow Global Technologies Llc | Antimicrobial coating composition with improved yellowing resistance |
CN105885504A (en) * | 2016-02-02 | 2016-08-24 | 山西科启科技有限公司 | Heat exchanger with antimicrobial mildewproof nano coating and preparation method thereof |
CN105953478A (en) * | 2016-05-23 | 2016-09-21 | 长安大学 | Pipe external falling-film evaporation/absorber with surface coated with hydrophilic material and based on heat exchanging pipes |
CN110173766A (en) * | 2018-08-22 | 2019-08-27 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
CN111187530A (en) * | 2020-01-06 | 2020-05-22 | 浙江大学衢州研究院 | Fluorine-silicon composite visible light catalytic antibacterial antifouling paint and preparation method thereof |
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CN102167940A (en) * | 2010-02-26 | 2011-08-31 | Tcl集团股份有限公司 | Titanium coating material applied to heat exchanger fin of air conditioner and preparation method thereof |
CN103191856A (en) * | 2013-04-27 | 2013-07-10 | 福州大学 | Method for enhancing weather resistance of surface of organic material |
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US4830101A (en) * | 1985-04-30 | 1989-05-16 | Nippondenso Co., Ltd. | Aluminum heat exchanger and method for producing aluminum heat exchanger |
CN102167940A (en) * | 2010-02-26 | 2011-08-31 | Tcl集团股份有限公司 | Titanium coating material applied to heat exchanger fin of air conditioner and preparation method thereof |
CN103191856A (en) * | 2013-04-27 | 2013-07-10 | 福州大学 | Method for enhancing weather resistance of surface of organic material |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016000131A1 (en) * | 2014-06-30 | 2016-01-07 | Dow Global Technologies Llc | Antimicrobial coating composition with improved yellowing resistance |
CN106459551A (en) * | 2014-06-30 | 2017-02-22 | 陶氏环球技术有限责任公司 | Antimicrobial coating composition with improved yellowing resistance |
US10550279B2 (en) | 2014-06-30 | 2020-02-04 | Dow Global Technologies Llc | Antimicrobial coating composition with improved yellowing resistance |
CN106459551B (en) * | 2014-06-30 | 2020-05-12 | 陶氏环球技术有限责任公司 | Antimicrobial coating compositions with improved resistance to yellowing |
CN105885504A (en) * | 2016-02-02 | 2016-08-24 | 山西科启科技有限公司 | Heat exchanger with antimicrobial mildewproof nano coating and preparation method thereof |
CN105953478A (en) * | 2016-05-23 | 2016-09-21 | 长安大学 | Pipe external falling-film evaporation/absorber with surface coated with hydrophilic material and based on heat exchanging pipes |
CN110173766A (en) * | 2018-08-22 | 2019-08-27 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
CN111187530A (en) * | 2020-01-06 | 2020-05-22 | 浙江大学衢州研究院 | Fluorine-silicon composite visible light catalytic antibacterial antifouling paint and preparation method thereof |
CN111187530B (en) * | 2020-01-06 | 2021-11-26 | 浙江大学衢州研究院 | Fluorine-silicon composite visible light catalytic antibacterial antifouling paint and preparation method thereof |
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Application publication date: 20130424 |