CN1710370A - Fin with zinc oxide whisker active agent coating and processing method thereof - Google Patents
Fin with zinc oxide whisker active agent coating and processing method thereof Download PDFInfo
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- CN1710370A CN1710370A CN 200510043921 CN200510043921A CN1710370A CN 1710370 A CN1710370 A CN 1710370A CN 200510043921 CN200510043921 CN 200510043921 CN 200510043921 A CN200510043921 A CN 200510043921A CN 1710370 A CN1710370 A CN 1710370A
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- zinc oxide
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- whisker
- aluminium foil
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Abstract
A method for preparing fin with whiskers active agent coating of zinc oxide includes coating an anticorrosion layer on aluminium foil surface and applying zinc oxide whiskers active layer on it with thickness ratio of anticorrosion layer to active layer as 1-5:1 , containing hydrophilic agent and whiskers active agent in whiskers active layer with weight ratio of hydrophilic agent to active agent as 100 : 1-10 , forming said active agent by weight ratio as 50-80 share of zinc oxide whisker , 5-25 share of nano zinc oxide , 5-25 share of nano titanium oxide and 10-40 share of sodium silicate carrier.
Description
Technical field
The present invention is fin and the processing method thereof that a kind of surface has zinc oxide whisker active agent coating, and this fin is mainly used in the heat exchanger of air-conditioner.
Background technology
Existing air-conditioner generally adopts pump type heat circulatory system pipeline, and is provided with and evaporator and the condenser indoor, that outdoor air carries out convection current at indoor set and off-premises station one side.The fin that is radial arrangement has constituted the finned tube type main body of heat exchanger, and the heat exchanger of this type of agent structure has bigger area of passage, carries out sufficient exchange heat thereby help air flow through fin surface.
The growing interest of and indoor air quality healthy for self along with the consumer, though existing air-conditioner has air filtering and degerming functions mostly, but this type of filtration sterilization structure operated by rotary motion indoor set into and out of positions such as air port and screen packs, less for the corresponding degerming design of heat exchanger.Fin is the basic building block that constitutes heat exchanger, cross-ventilation and heat conduction are mainly finished at fin surface, whether fin surface has the effect with fresh air that the degerming activity will directly have influence on the complete machine air-conditioner, therefore must go at the degerming design thing of heat-exchanger fin.
The patent formerly of following content is and for example disclosed, the patent No. is 03117502, a kind of ZnOw complex antimicrobials composition is disclosed in this patent, said composition contains following key component and weight proportion ratio, be 50～80 parts of four acicular type zinc oxide crystal whiskers, 5～25 parts of nano zine oxides, 5～25 parts of nano-titanium oxides, 10～40 parts in sodium silicate carrier.Said composition has stronger sterilizing power, and can carry out degerming repeatedly constantly.
Summary of the invention
Fin and processing method thereof with zinc oxide whisker active agent coating of the present invention, its purpose is to address the above problem and utilizes existing ZnOw complex antimicrobials composition, a kind of technological process that has the fin structure of this active agent coating and process this type of fin is provided, thereby in cross-ventilation and heat conducting process, continues to carry out that degerming is handled and the fin nondiscolouring, need not to carry out photocatalysis.
For achieving the above object, utilize above-mentioned disclosed ZnOw complex antimicrobials composition, fin with zinc oxide whisker active agent coating of the present invention is to have an anticorrosion bottom at its aluminium foil surface, scribbles a ZnOw active layer on anticorrosion bottom.
Described anticorrosion bottom mainly contains water soluble organic polymer copolymer, crosslinking agent, dispersant and water.Wherein, water-soluble sexual type organic macromolecular copolymer is one or more the mixture in water-soluble acrylic ester, soluble epoxide, the water soluble amino resin.
Described ZnOw active layer contains hydrophilizing agent and whisker active agent.Wherein,
Described hydrophilizing agent mainly contains water soluble organic substance, alkali compounds, dispersant and water.
Water soluble organic substance is one or more the mixture in isopropyl alcohol, acetamide, acrylamide, carboxymethyl cellulose, the CMC.
Alkali compounds is one or more the mixture in sodium hydroxide, potassium hydroxide, sodium carbonate, potash, sodium bicarbonate, the saleratus.
Described whisker active agent, promptly existing disclosed ZnOw complex antimicrobials composition, its key component and weight proportion ratio are:
50～80 parts of four acicular type zinc oxide crystal whiskers, 5～25 parts of nano zine oxides, 5～25 parts of nano-titanium oxides, 10～40 parts in sodium silicate carrier.
And, in the lattice of 50～80 parts of four acicular type zinc oxide crystal whiskers, also contain 1～5 part Li
+, Na
+, K
+The mixture of one or more of three kind of one valent metal oxide.
Calculate by weight ratio, the ratio of described hydrophilizing agent and whisker active agent is 100: (1～10).
Fin with zinc oxide whisker active agent coating of the present invention, the anticorrosion bottom of its aluminium foil surface and the thickness proportion of ZnOw active layer are (1～5): 1.
It more than is described fin structure with zinc oxide whisker active agent coating.
Realize the fin scheme of said structure, processing method of the present invention is:
The first step on the flat surface of the aluminium foil that constitutes fin, uses the roller coat instrument to smear anticorrosion bottom equably, dries under 220～260 ℃ temperature 10～30 seconds, makes the dry film quality of anticorrosion bottom of aluminium foil surface reach 0.8～1.2 gram/rice
2
Second step, after anticorrosion bottom is smeared and is dried, on anticorrosion bottom, use the roller coat instrument to smear the ZnOw active layer equably, and under 230～270 ℃ temperature, dry 10～30 seconds, make the dry film quality of ZnOw active layer of aluminium foil surface reach 0.2～0.5 gram/rice
2
The 3rd goes on foot, and aluminium foil is processed into the fin of corresponding construction and shape by designing requirement.
For enhancing productivity and strengthening the uniformity that smear on the surface, described roller coat instrument can be the continuous roll coating apparatus that has drying unit.
As above content has the fin of zinc oxide whisker active agent coating and the advantage of processing method thereof to be:
1, the fin with zinc oxide whisker active agent coating has stronger anti-corrosion activity, and it is as shown in the table that it detects data:
| Sequence number | Project | Method of testing | Test result |
| ??1 | Salt spray test | Undertaken 500 hours by GB/T1771-1991 | ??R.NO.＞9.8 |
| ??2 | Alkali tolerance | At 20 ℃, soaked 3 minutes in the NaOH solution of 200 grams per liters | The sample coating is non-foaming fully |
| ??3 | Solvent resistance | At 30 ℃, soaked 5 minutes in the pure trichloro-ethylene solution | Sample weightlessness＜0.5% |
| ??4 | Warm tolerance | Under 200 ℃, kept 5 minutes | Nondiscolouring |
| ??5 | Oil resistivity | In exempting from wash oil, soaked 24 hours | The sample coating is non-foaming fully |
2, have hydrophilic active preferably, can keep hydrophilic effect, the windage when effectively reducing the air-conditioner operation, reduction noise and the heat exchange effect of fin surface for a long time.Hydrophilic angle of initial stage can be below 10, and common hydrophilic fin is about 20; The permanent hydrophilic angle is below 20, and common hydrophilic fin is about 35.
3, have stronger antibacterial activity, the zinc ion in the zinc oxide whisker active agent coating is after thalline is killed, with Zn
2+Form dissociate out, contact with other bacterium colonies again, carry out a new round and kill, thereby carry out degerming continuously and handle.
4, have stronger antimicrobial activity, the most advanced and sophisticated considerable part of the four acicular type zinc oxide crystal whisker in the zinc oxide whisker active agent coating is in nanometer or even lower level is other.Thereby its nano active composition can efficiently kill and remove extremely remains of bacterium, toxin that simultaneously can also the decomposing bacteria secretion.
5, has stronger oxygen enrichment activity, ZnOw is the adjustable semiconductor raphioid fiber of a kind of inner carrier, the elemental oxygen that considerable part is arranged in its lattice, this elemental oxygen has extremely strong oxidation activity, can destroy biologically active and the metabolism breeding function of most bacteriums, reach antibiotic purpose.Zinc oxide whisker active agent can continuously produce and discharge negative oxygen ion, and to decomposing pernicious gases such as benzene in air, ammonia, purifying the air of a room has good effect.
Embodiment
Embodiment 1, and the fin with zinc oxide whisker active agent coating of the present invention has an anticorrosion bottom at its aluminium foil surface, scribbles a ZnOw active layer on anticorrosion bottom.
Described anticorrosion bottom mainly contains water soluble organic polymer copolymer, crosslinking agent, dispersant and water.Wherein, water-soluble sexual type organic macromolecular copolymer is a water-soluble acrylic ester.
Described ZnOw active layer contains hydrophilizing agent and whisker active agent.Wherein,
Described hydrophilizing agent mainly contains water soluble organic substance, alkali compounds, dispersant and water.
Water soluble organic substance is the mixture of isopropyl alcohol, acetamide and acrylamide.
Alkali compounds is a sodium hydroxide.
Described whisker active agent, its key component and weight proportion ratio are:
60 parts of four acicular type zinc oxide crystal whiskers, 10 parts of nano zine oxides, 15 parts of nano-titanium oxides, 20 parts in sodium silicate carrier.
Calculate by weight ratio, the ratio of described hydrophilizing agent and whisker active agent is 100: 10.
Fin with zinc oxide whisker active agent coating of the present invention, the anticorrosion bottom of its aluminium foil surface and the thickness proportion of ZnOw active layer are 2: 1.
Described processing method with fin of zinc oxide whisker active agent coating is:
The first step on the flat surface of the aluminium foil that constitutes fin, uses the continuous roll coating apparatus that has drying unit to smear anticorrosion bottom equably, and oven dry is 20 seconds under 220 ℃ temperature, makes the dry film quality of anticorrosion bottom of aluminium foil surface reach 1.0 gram/rice
2
Second step, after anticorrosion bottom is smeared and is dried, on anticorrosion bottom, use the roller coat instrument to smear the ZnOw active layer equably, and oven dry 20 seconds under 220 ℃ temperature, make the dry film quality of ZnOw active layer of aluminium foil surface reach 0.5 gram/rice
2
The 3rd goes on foot, and aluminium foil is processed into the fin of corresponding construction and shape by designing requirement.
Claims (6)
1, a kind of fin with zinc oxide whisker active agent coating has an anticorrosion bottom at its aluminium foil surface, it is characterized in that: scribble a ZnOw active layer on anticorrosion bottom;
Described ZnOw active layer contains hydrophilizing agent and whisker active agent; Wherein,
Described hydrophilizing agent mainly contains water soluble organic substance, alkali compounds, dispersant and water;
Described whisker active agent, its key component and weight proportion ratio are 50～80 parts of four acicular type zinc oxide crystal whiskers, 5～25 parts of nano zine oxides, 5～25 parts of nano-titanium oxides, 10～40 parts in sodium silicate carrier;
Calculate by weight ratio, the ratio of hydrophilizing agent and whisker active agent is 100: (1～10).
2, the fin with zinc oxide whisker active agent coating according to claim 1 is characterized in that: the anticorrosion bottom of described fin aluminium foil surface and the thickness proportion of ZnOw active layer are (1～5): 1.
3, the fin with zinc oxide whisker active agent coating according to claim 1 and 2, it is characterized in that: the water soluble organic substance of described hydrophilizing agent is one or more the mixture in isopropyl alcohol, acetamide, acrylamide, carboxymethyl cellulose, the CMC.
4, the fin with zinc oxide whisker active agent coating according to claim 1 and 2, it is characterized in that: the alkali compounds of described hydrophilizing agent is one or more the mixture in sodium hydroxide, potassium hydroxide, sodium carbonate, potash, sodium bicarbonate, the saleratus.
5, a kind of processing method with fin of zinc oxide whisker active agent coating is characterized in that: the flow process of described processing method is,
The first step on the flat surface of the aluminium foil that constitutes fin, uses the roller coat instrument to smear anticorrosion bottom equably, dries under 220～260 ℃ temperature 10～30 seconds, makes the dry film quality of anticorrosion bottom of aluminium foil surface reach 0.8～1.2 gram/rice
2
Second step, after anticorrosion bottom is smeared and is dried, on anticorrosion bottom, use the roller coat instrument to smear the ZnOw active layer equably, and under 230～270 ℃ temperature, dry 10～30 seconds, make the dry film quality of ZnOw active layer of aluminium foil surface reach 0.2～0.5 gram/rice
2
The 3rd goes on foot, and aluminium foil is processed into the fin of corresponding construction and shape by designing requirement.
6, the processing method with fin of zinc oxide whisker active agent coating according to claim 5 is characterized in that: described roller coat instrument is the continuous roll coating apparatus that has drying unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100439217A CN100363704C (en) | 2005-06-30 | 2005-06-30 | Fin with zinc oxide whisker active agent coating and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100439217A CN100363704C (en) | 2005-06-30 | 2005-06-30 | Fin with zinc oxide whisker active agent coating and processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1710370A true CN1710370A (en) | 2005-12-21 |
| CN100363704C CN100363704C (en) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100439217A Expired - Fee Related CN100363704C (en) | 2005-06-30 | 2005-06-30 | Fin with zinc oxide whisker active agent coating and processing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673738A (en) * | 2012-09-17 | 2014-03-26 | 株式会社神户制钢所 | Aluminum radiating sheet for heat exchangers |
| CN111286227A (en) * | 2020-01-19 | 2020-06-16 | 成都天佑晶创科技有限公司 | Formaldehyde removal additive for coating and application method thereof |
| CN113499971A (en) * | 2021-07-01 | 2021-10-15 | 吉利汽车研究院（宁波）有限公司 | Preparation method of evaporator with antibacterial layer, air conditioning system and control method |
| CN114472107A (en) * | 2021-12-23 | 2022-05-13 | 珠海格力电器股份有限公司 | Preparation method of antibacterial metal foil, heat exchanger with antibacterial metal foil and air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004035924A (en) * | 2002-07-01 | 2004-02-05 | Nippon Parkerizing Co Ltd | Fin material made of aluminum and alloy thereof for heat exchanger and method of producing the same |
| CN2556589Y (en) * | 2002-07-01 | 2003-06-18 | 天津市美能达装饰装璜公司 | Radiator with nano coating |
| US20050011203A1 (en) * | 2003-07-18 | 2005-01-20 | Century Corporation | Air conditioning apparatus having sterilization function |
-
2005
- 2005-06-30 CN CNB2005100439217A patent/CN100363704C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673738A (en) * | 2012-09-17 | 2014-03-26 | 株式会社神户制钢所 | Aluminum radiating sheet for heat exchangers |
| CN111286227A (en) * | 2020-01-19 | 2020-06-16 | 成都天佑晶创科技有限公司 | Formaldehyde removal additive for coating and application method thereof |
| CN113499971A (en) * | 2021-07-01 | 2021-10-15 | 吉利汽车研究院（宁波）有限公司 | Preparation method of evaporator with antibacterial layer, air conditioning system and control method |
| CN113499971B (en) * | 2021-07-01 | 2022-11-29 | 吉利汽车研究院（宁波）有限公司 | Preparation method of evaporator with antibacterial layer, air conditioning system and control method |
| CN114472107A (en) * | 2021-12-23 | 2022-05-13 | 珠海格力电器股份有限公司 | Preparation method of antibacterial metal foil, heat exchanger with antibacterial metal foil and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN100363704C (en) | 2008-01-23 |
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Granted publication date: 20080123 Termination date: 20190630 |