CN104024784B - Aluminum fin material - Google Patents
Aluminum fin material Download PDFInfo
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- CN104024784B CN104024784B CN201380004491.0A CN201380004491A CN104024784B CN 104024784 B CN104024784 B CN 104024784B CN 201380004491 A CN201380004491 A CN 201380004491A CN 104024784 B CN104024784 B CN 104024784B
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- resin
- skin membrane
- hydrophily
- lubricity
- fin material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/102—Polyesters
- C10M2209/1023—Polyesters used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
- C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
- C10M2209/123—Polysaccharides, e.g. cellulose, biopolymers used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/0403—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/023—Multi-layer lubricant coatings
- C10N2050/025—Multi-layer lubricant coatings in the form of films or sheets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
- F28F2245/02—Coatings; Surface treatments hydrophilic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- Laminated Bodies (AREA)
- Lubricants (AREA)
Abstract
The invention provides a kind of hydrophilic aluminum fin material keeping wing sheet surface for a long time.Aluminum fin material (10A) possesses hydrophily skin membrane (2) and lubricity skin membrane (3) in order on the surface of aluminium sheet (1), hydrophily skin membrane (2) comprise containing, for example under the resin of hydrophilic resin, described hydrophilic resin be only be made up of the monomer with carboxyl polymer, containing the copolymer of monomer or their mixture with carboxyl; Lubricity skin membrane (3) comprises following resin combination, described resin combination contains lubricity resin and crosslinking agent (6), and the solid constituent ratio of crosslinking agent (6) is 0.2 ~ 70 quality %, described lubricity resin be selected from the alkali metal salt of polyethylene glycol, carboxymethyl cellulose and carboxymethyl cellulose more than one, described crosslinking agent (6) be selected from the resin of water-soluble epoxy resin, water-soluble carbodiimide compound, water dispersible carbodiimide compound and Shui dissolubility Han oxazolinyl more than one.
Description
Technical field
The present invention relates to the aluminum fin material be made up of the aluminum or aluminum alloy being formed with skin membrane on its surface, be particularly suitable for the heat exchanger aluminum fin material of the heat exchanger of air conditioner etc.
Background technology
Because global warming in recent years, resource price are risen sharply remarkableization of problem etc., the requirement that the performance such as high efficiency, miniaturization of air conditioner improves improves day by day.The aluminium sheet (being suitable for below comprising aluminium alloy plate) that thermal conductivity, processability, corrosion resistance etc. are excellent is widely used in the heat exchanger of air conditioner reflecting such requirement.In addition, in order to make the volume of the heat exchanger of air conditioner reduce, and form the structure that fin is arranged side by side with narrow intervals.
But when the running of air conditioner, if the temperature of fin surface reaches below the dew point of air, then condense at fin surface and adhere to dew, therefore the hot-swap feature of heat exchanger reduces, and fin becomes easy blocking.Now, if the hydrophily of fin surface is low, then the contact angle of water becomes large, and the dew therefore adhered to becomes hemispherical, promotes that fin becomes easy blocking further.Further, if the condensation of dew is carried out and dew becomes large, then because the dew of adjacent fin surface be arranged side by side in narrow intervals is combined into first-class, cause between adjacent fin and block.The result that fin so blocks is always known problem, that is, the hot-swap feature of heat exchanger is subject to hindering, by problems such as the blast dew of air blast disperse outside air conditioner further.
In order to solve described condensation water problem, Patent Document 1 discloses following technology, be detained for a long time to suppress the dew being attached to fin surface, thus bring out hydration reaction, corrosion reaction, the surface conditioning agent that the salt of use carboxymethyl cellulose and N hydroxymethyl acrylamide are main component.Patent Document 2 discloses following content, in order to give corrosion resistance and hydrophily to fin material, effectively using the surface conditioning agent that polyvinyl alcohol and polyvinylpyrrolidone are main component.Patent Document 3 discloses the fin material possessing the hydrophily epithelium be made up of polyethylene glycol, polypropylene glycol etc.At patent document 4 and the fin material that Patent Document 5 discloses the resin be coated with containing carboxyl, hydroxyl, sulfonic group etc.
Prior art document
Patent document
Patent document 1: Japan Patent No. 2520308 publication
Patent document 2: Japan Patent No. 2574197 publication
Patent document 3: Japan Patent No. 4164049 publication
Patent document 4: Japan Patent No. 4456551 publication
Patent document 5: Japanese Unexamined Patent Publication 2008-224204 publication
But in the invention of described patent document, if hydrophilic resin epithelium contacts with water, then hydrophily all reduces along with the time, be difficult in the long-term hydrophily keeping fin surface.That is, according to Long-Time Service, the dew being attached to fin easily becomes hemispherical, consequently becomes and easily blocks fin.Thus, it is hard to tell that the problems such as the hot-swap feature of heat exchanger is obstructed are resolved.
Summary of the invention
Invent problem to be solved
The present invention completes in view of described problem, and its problem is the aluminum fin material providing the hydrophily of wing sheet surface to continue for a long time.
For solving the method for problem
Namely, the feature of aluminum fin material of the present invention is, it is the aluminum fin material possessing hydrophily skin membrane and lubricity skin membrane on the surface of aluminium sheet or aluminium alloy plate in order, described hydrophily skin membrane comprises the resin combination with hydrophilic resin, described hydrophilic resin is the polymer be only made up of the monomer with carboxyl, comprise the copolymer of the monomer with carboxyl, or their mixture, described lubricity skin membrane comprises following resin combination, described resin combination contains lubricity resin and crosslinking agent, and the ratio shared by solid constituent of crosslinking agent is 0.2 ~ 70 quality % in the total solid constituent of described lubricity resin and described crosslinking agent, , described lubricity resin is selected from polyethylene glycol, more than one in the alkali metal salt of carboxymethyl cellulose and carboxymethyl cellulose, described crosslinking agent is selected from water-soluble epoxy resin, water-soluble carbodiimide compound, more than one in the resin of water dispersible carbodiimide compound and Shui dissolubility Han oxazolinyl.
According to such formation, by possessing lubricity skin membrane on hydrophily skin membrane, fix hydrophily skin membrane from upper strata thus, described lubricity skin membrane comprises containing lubricity resin and crosslinking agent, and the solid constituent ratio of this crosslinking agent is the resin combination of prescribed limit.Consequently by the hydrophilic resin of the hydrophily skin membrane of stripping easy due to moisture such as dews, by crosslinking agent and the hydrophily skin membrane strong bonded of lubricity skin membrane, therefore the adhesion of hydrophily skin membrane and lubricity skin membrane improves, and durability improves.Hydrophily can be kept thus.In addition, according to the lubricity resin of lubricity skin membrane, lubricity can be given to fin material.
In addition, aluminum fin material preferably also possesses corrosion resistance skin membrane at described aluminium sheet or between described aluminium alloy plate and described hydrophily skin membrane, described corrosion resistance skin membrane comprises the resin combination containing corrosion-resistant resin, described corrosion-resistant resin be selected from polyester based resin, polyolefin-based resins, epoxy system resin, acrylic resin and polyurethane series resin more than one.
According to such formation, give corrosion resistance by forming corrosion resistance skin membrane to fin material, and the adhesion of hydrophily skin membrane to aluminium sheet or aluminium alloy plate improves, and hydrophily can be made further to continue.In addition, by forming hydrophobic corrosion resistance skin membrane, water is suppressed to soak into aluminium sheet or aluminium alloy plate.Thereby, it is possible to suppress the corrosion due to aluminium sheet or aluminium alloy plate and produce the generation of the situation of niff.
In addition, aluminum fin material preferably at described aluminium sheet or also possess between described aluminium alloy plate and described hydrophily skin membrane and change into process skin membrane, described in change into process skin membrane and comprise inorganic oxide or organic-inorganic composite compound.
According to such formation, change into process skin membrane by possessing, the corrosion resistance of fin material improves, and hydrophily skin membrane also improves for the adhesion of aluminium sheet or aluminium alloy plate, keeps hydrophily and can tolerate the use of longer-term.
In addition, aluminum fin material preferably also possesses corrosion resistance skin membrane described changing between process skin membrane and described hydrophily skin membrane, described corrosion resistance skin membrane comprises the resin combination containing corrosion-resistant resin, described corrosion-resistant resin be selected from polyester based resin, polyolefin-based resins, epoxy system resin, acrylic resin and polyurethane series resin more than one.
According to such formation, by forming corrosion resistance skin membrane, hydrophily skin membrane improves for the adhesion changing into process skin membrane, and hydrophily can be made to continue further.
Invention effect
Aluminum fin material of the present invention can be kept the hydrophilic effect of wing sheet surface for a long time.Thus, when using air-condition machine, the fin of heat exchanger is difficult to be blocked by dew, and hot-swap feature can not be made to reduce.In addition, can suppress when living environment using air-condition machines such as indoor, particularly during air-cooling system running, at the undesirable condition that the dew of fin surface generation disperses in this use to indoor (air conditioner is outer).Further, the effect that the punch process that the fin of heat exchanger adds man-hour is improved can be obtained.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the section of the aluminum fin material of embodiments of the present invention.
Fig. 2 is the schematic diagram of the section of the aluminum fin material of another embodiment of the present invention.
Fig. 3 is the schematic diagram of the section of the aluminum fin material of another embodiment of the present invention.
Fig. 4 is the schematic diagram of the section of the aluminum fin material of another embodiment of the present invention.
Detailed description of the invention
Then, suitably with reference to drawing, the embodiment of aluminum fin material of the present invention is described in detail.
[the 1st embodiment]
< fin material >
As shown in Figure 1, aluminum fin material of the present invention (hereinafter referred to as fin material) 10A possesses in order: aluminium sheet or aluminium alloy plate (hereinafter referred to as aluminium sheet) 1, the hydrophily skin membrane 2 being formed at the surface of aluminium sheet 1 and lubricity skin membrane 3.And, lubricity skin membrane 3 comprises the resin combination containing lubricity resin and crosslinking agent 6, in the total solid constituent of lubricity resin and crosslinking agent 6, the ratio shared by solid constituent of crosslinking agent 6 is 0.2 ~ 70 quality %, and hydrophily skin membrane 2 comprises the resin combination containing the polymer with carboxyl etc.Below each formation is described.
(aluminium sheet)
The aluminium sheet 1 used in the present invention is the sheet material be made up of aluminum or aluminum alloy.As these aluminum or aluminum alloy, there is no particular limitation, as an example, due to thermal conductivity and excellent in workability, preferably uses aluminium, the particularly aluminium of alloy numbering 1200 that the alloy kind 1000 specified in JISH4000 is.The thickness of slab of preferred aluminium sheet 1 is the aluminium sheet of 0.06 ~ 0.3mm.If the thickness of slab of aluminium sheet 1 is less than 0.06mm, be difficult to guarantee as the necessary intensity of fin material 10.On the other hand, if thickness of slab is more than 0.3mm, then the processability as fin material 10A reduces.
(hydrophily skin membrane)
Hydrophily skin membrane 2 is the layers on the surface being formed at aluminium sheet 1, and the hydrophily of fin material 10A is improved.Hydrophily skin membrane 2 comprises as follows: the resin combination (hydrophilic resin oil/fat composition) containing the polymer be only made up of the monomer with carboxyl, or comprise the resin combination of the copolymer containing the monomer with carboxyl, or the resin combination of mixture containing described polymer and described copolymer.Further, as long as the kind of described polymer and described copolymer comprises the monomer at least with carboxyl, do not limit.
As with the monomer of monomer copolymerization with carboxyl, can enumerate and there is sulfonic monomer, there is the monomer of sulfonic group derivative, there is the monomer of carboxy derivatives, there is the monomer of hydroxyl, there is the monomer that the monomer etc. of hydroxy derivatives has hydrophilic functional group.
As the example of the polymer be only made up of the monomer with carboxyl, East Asia synthesis can be enumerated and manufacture " JURYMER (registration mark) AC-10S " (polyacrylic acid).As containing the example of copolymer of monomer with carboxyl, the Japanese catalyst manufacture " AQUALIC (registration mark) GL " etc. of acrylic acid and the copolymer containing sulfonic monomer can be enumerated.In addition, as the example of described hydrophilic resin oil/fat composition, the mixture etc. that the independent composition of described JURYMER, the independent composition of described AQUALIC, described JURYMER or described AQUALIC and KURARAY manufacture the mixture of " KURARAYPOVALPVA105 ", described AQUALIC and the Japanese catalyst manufacture " EPOCROS (registration mark) WS700 " as one of crosslinking agent 6 described later can be enumerated.Further, by also adding crosslinking agent 6 described later in hydrophily skin membrane 2, the hydrophily of fin material 10A can be made to improve further.
The carboxyl of the monomer contained in hydrophily skin membrane 2, during the lubricity skin membrane 3 stated after its formation, is cross-linked with the crosslinking agent 6 contained in lubricity skin membrane 3.Thus, improve the adhesion of lubricity skin membrane 3 and hydrophily skin membrane 2 further, the hydrophilic durability of fin material 10A of the present invention can be made to improve.
In the resin combination of hydrophily skin membrane 2, except described polymer, copolymer or their mixture, in order to improve coating, operability or Physical properties of coating film etc., various water solvent, coating additive can be added.Can separately or multiple combination add various solvent, the additives such as such as water-miscible organic solvent, surfactant, surface conditioner, wetting dispersing agent, crosslinking agent, antisettling agent, antioxidant, defoamer, antirust agent, antiseptic, mould inhibitor.
The thickness of preferred hydrophilic skin membrane 2 is 0.02 ~ 10g/m
2.Thickness is lower than 0.02g/m
2time, the hydrophily of fin material 10A easily reduces.On the other hand, thickness is more than 10g/m
2time, can not confirm that hydrophily improves further.In addition, more than 10g/m
2and form hydrophily skin membrane 2, not preferred economically yet.More preferably the thickness of hydrophily skin membrane 2 is 0.08 ~ 2g/m
2.According to such thickness, do not damage economy, and the hydrophily of fin material 10A improves further.Further, the thickness of hydrophily skin membrane 2 is not particularly limited to this scope.
(lubricity skin membrane)
Lubricity skin membrane 3 is the layers on the surface (with the surface of aluminium sheet 1 opposition side) being formed at hydrophily skin membrane 2, and the hydrophily of fin material 10A is improved.In addition, because forming the lubricity resin of skin membrane, coefficient of friction reduces lubricity skin membrane 3, and punch process when therefore making the fin of heat exchanger manufacture improves.Lubricity skin membrane 3 comprises the resin combination (lubricity resin combination) containing lubricity resin and crosslinking agent.
As lubricity resin comprise be selected from the alkali metal salt (CMC alkali metal salt) of polyethylene glycol (PEG), carboxymethyl cellulose (CMC) and carboxymethyl cellulose more than one.In addition, lubricity resin also can be used alone polyethylene glycol, also can be used alone carboxymethyl cellulose, can also be used alone the alkali metal salt of carboxymethyl cellulose, but preferably that they are used in combination.Such as, preferably by polyethylene glycol and sodium carboxymethylcellulose used in combination.Thus, film forming and lubricity (press formability) become better.The mass ratio of preferred polyethylene glycol and sodium carboxymethylcellulose is polyethylene glycol: sodium carboxymethylcellulose=5: about 5 ~ 9: 1.
In addition, crosslinking agent 6 comprises more than one in the resin being selected from water-soluble epoxy resin, water-soluble carbodiimide compound, water dispersible carbodiimide compound and Shui dissolubility Han oxazolinyl.The DIC that can enumerate as soluble epoxide system crosslinking agent manufactures " CR-5L ", Nisshinbo chemistry as water dispersible carbodiimides system crosslinking agent manufactures " CARBODILITE (registration mark) E-02 ", as the Japanese catalyst manufacture " EPOCROS (registration mark) WS700 " of Shui Rong oxazoline system crosslinking agent, also can by 2 of described crosslinking agent kind, 3 kinds combinationally use.By making lubricity skin membrane 3 containing crosslinking agent 6, this crosslinking agent 6 be cross-linked as the carboxyl in the structure of the hydrophilic resin of the hydrophily skin membrane 2 of substrate layer, the adhesion of hydrophily skin membrane 2 is improved.Consequently contribute to the hydrophilic durability improving fin material 10A.
For the content of the crosslinking agent 6 in lubricity skin membrane 3, in the total solid constituent of lubricity resin and crosslinking agent 6, the ratio shared by solid constituent of crosslinking agent 6 is 0.2 ~ 70 quality %.When the solid constituent ratio of crosslinking agent 6 is less than 0.2 quality %, crosslinking agent 6 improves the hydrophilic continuation of fin material 10A effect by being cross-linked with the hydrophily skin membrane 2 of lower floor reduces.In addition, when the solid constituent ratio of crosslinking agent 6 is more than 70 quality %, the ratio of the lubricity resin in lubricity skin membrane 3 reduces relatively, and the coefficient of friction of fin material 10A uprises and punch process reduces.The solid constituent ratio of crosslinking agent 6 is preferably 1 ~ 50 quality %, is more preferably 1 ~ 20 quality %.
Also have, even if lubricity skin membrane 3 is formed at the surface of hydrophily skin membrane 2, because the lubricity resin forming lubricity skin membrane 3 also has hydrophily, hydrophily, the long-term functions such as hydrophily that keep of the raising fin material 10A therefore shown by hydrophily skin membrane 2 can not be reduced.In addition, the thickness of preferred lubricity skin membrane 3 is 0.01 ~ 1.0g/m
2.
[the 2nd embodiment]
As shown in Figure 2, fin material 10B preferably also possesses the corrosion resistance skin membrane 5 of the resin combination (corrosion-resistant resin composition) comprised containing corrosion-resistant resin between aluminium sheet 1 and hydrophily skin membrane 2.
(corrosion resistance skin membrane)
Corrosion resistance skin membrane 5 makes the corrosion resistance of fin material 10B improve, and the adhesion of hydrophily skin membrane 2 is improved.In addition, because this corrosion resistance skin membrane 5 is hydrophobicity, therefore, it is possible to suppress to produce niff because water saturates to aluminium sheet 1 makes skin underfilm corrosion (corrosion of aluminium sheet 1).
The corrosion-resistant resin forming corrosion resistance skin membrane 5 comprise be selected from polyester based resin, polyolefin-based resins, epoxy system resin, acrylic resin and polyurethane series resin more than one.Japan's weaving can enumerated as polyester based resin manufactures " VYLONAL (registration mark) MD-1200 ", as Mitsui Chemicals manufacture " CHEMIPEARL (registration mark) " and eastern nation chemical industry manufacture " HIGHTECH (registration mark) S3148 " of polyolefin-based resins, DIC as epoxy system resin manufactures " EPICLON (registration mark) 840 ", nanmu as acrylic resin originally changes into manufacture " NEOCRYL (registration mark) A-614 ", nanmu as polyurethane series resin originally changes into manufacture " NeoRez (registration mark) R-9660 ", also can by 2 of described resin kind, 3 kinds combinationally use.
In the resin combination of corrosion resistance skin membrane 5, except described corrosion-resistant resin, also can add various water solvent, coating additive to improve coating, operability or epithelium (film) physical property etc.Can separately or multiple combination add various solvent, the additives such as such as water-miscible organic solvent, surfactant, surface conditioner, wetting dispersing agent, antisettling agent, antioxidant, defoamer, antirust agent, antiseptic, mould inhibitor.
The thickness (epithelium amount) of preferred corrosion resistance skin membrane 5 is 0.01 ~ 8.0g/m
2.If the thickness of corrosion resistance skin membrane 5 is less than 0.01g/m
2, then the corrosion resistance of fin material 10B and the adhesion with hydrophily skin membrane 2 can not be guaranteed.On the other hand, if the thickness of corrosion resistance skin membrane 5 is more than 8.0g/m
2, then corrosion resistance skin membrane 5 becomes heat insulation layer, makes the deterioration of efficiency of heat exchange.More preferably the thickness of corrosion resistance skin membrane 5 is 0.03 ~ 5.0g/m
2.
[the 3rd embodiment]
As shown in Figure 3, fin material 10C preferably possess between aluminium sheet 1 and hydrophily skin membrane 2 change into process skin membrane 4.
(changing into process skin membrane)
Change into process skin membrane 4 by existing, the corrosion resistance of fin material 10C improves, and hydrophily skin membrane 2 improves further for the adhesion of aluminium sheet 1.Therefore, it is possible to improve the durability of heat exchanger.Further, changing into process skin membrane 4 is formed by changing into process to the surface of aluminium sheet 1 before forming hydrophily skin membrane 2.
Change into process skin membrane 4 preferably by inorganic oxide process such as enforcement chromium phosphate hydrochlorate process or the process of application type zirconium etc., or process based on known changing into such as organic-inorganic composite compound process and formed.The adhesion amount preferably changing into process skin membrane 4 converts by Cr and counts 1 ~ 100mg/m
2.
[the 4th embodiment]
As shown in Figure 4, fin material 10D also can change into process skin membrane 4 and hydrophily skin membrane 2 between possess described corrosion resistance skin membrane 5.Thus, improve the corrosion resistance of fin material 10D, and the adhesion changing into process skin membrane 4 and hydrophily skin membrane 2 is improved.
Fin material of the present invention is not limited to the formation (with reference to Fig. 1 ~ 4) only possessing hydrophily skin membrane 2, lubricity skin membrane 3 etc. in the one side of aluminium sheet 1, also can be the formation (not shown) possessing hydrophily epithelium 2, lubricity skin membrane 3 etc. on the two sides of aluminium sheet 1.
The manufacture method > of < fin material
As the manufacture method of fin material, form according to the layer shown in Fig. 1 ~ Fig. 4, such as, aluminium sheet 1 or be formed with on surface is changed into the aluminium sheet 1 of process skin membrane 4, be coated with by using metering bar coater or roll coater device etc. corrosion-resistant resin composition and hydrophilic resin oil/fat composition repeatedly to be carried out, dry, form corrosion resistance skin membrane 5 and hydrophily skin membrane 2.And similarly, use lubricity resin combination to form lubricity skin membrane 3 on the surface of hydrophily skin membrane 2.Any one of use metering bar coater or roll coater device all can make the fin material with same performance, but from productive viewpoint, preferably to the applicable roll coater device such as aluminium sheet 1 grade etc. of web-like, carry out degreasing, coating, heating and winding etc. continuously.It should be noted that, the manufacture method of fin material is not limited to these methods.
Above, for the fin material 10A ~ 10D shown in Fig. 1 ~ Fig. 4, hydrophily skin membrane 2 is for the contact angle of water, or it is little for the contact angle of water with the state being formed with lubricity skin membrane 3 on hydrophily skin membrane 2, being less than 10 ° under state in the early stage, is less than 40 ° after implementing hydrophily cyclic test described later.When using existing corrosion resistance skin membrane, contact with water if exist, the tendency that contact angle increases gradually (hydrophily reduction), after long-term use, the hydrophily that the hydrophily skin membrane being formed at its surface plays easily reduces.In contrast, in fin material 10A ~ 10D of the present invention, by lubricity skin membrane 3 containing crosslinking agent 6, be cross-linked with as the hydrophilic resin in the hydrophily skin membrane 2 of substrate layer, the adhesion of hydrophily skin membrane 2 improves.Therefore, hydrophily skin membrane 2 becomes and is difficult to run off, and consequently can keep excellent hydrophily through long-term (such as several years).
Embodiment
Below, to confirming that the embodiment of effect of the present invention is described.It should be noted that, the present invention is not limited to this embodiment.
(preparation method for examination material)
First, fin material is made by following method.
By existing known manufacture method, manufacture the aluminium sheet (thickness of slab 0.10mm) be made up of the A1200 of fine aluminium system (JISH4000).Then, aluminium sheet be impregnated in alkaline reagent (Japanese coating society manufactures " SURFCLEANER (registration mark) 360 "), carry out the degreasing in 5 seconds thus.In addition, impregnated in phosphoric acid chromate solution and (convert with Cr at the epithelium of surface of aluminum plate formation chromium phosphate hydrochlorate and count 30mg/m
2).Further, with metering bar coater to the aluminium sheet that this implements the process of chromium phosphate hydrochlorate be coated on the corrosion resistance coating shown in table 1 and baking after, be coated on the hydrophilic coating shown in table 2 with metering bar coater and toast.Then, on the surface of hydrophily skin membrane, be coated on the lubricious coatings shown in table 3 with metering bar coater and toast.
[table 1]
[table 2]
[table 3]
(note) PEG:PEG20000 (Sanyo changes into industry system) (polyethylene glycol)
(note) CMC alkali metal salt: CELOGEN (registration mark) PR (the first industrial pharmaceutical system) (sodium carboxymethylcellulose)
Use made fin material (sample 1 ~ 42), by following method evaluation hydrophily, coefficient of friction, punch process, the results are shown in table 4, table 5.
[table 4]
[table 5]
(hydrophily evaluation: hydrophily cyclic test)
Be flood after 8 hours in the circulating water of 0.1L/ minute at flow by made fin material (sample 1 ~ 42), 80 DEG C of dryings 16 hours, above operation, as 1 circulation, carried out 25 circulations.After implementing this hydrophily cyclic test, the fin material (sample 1 ~ 42) made is back to room temperature, drips the pure water of about 0.5 μ L on surface, use contact angle determination device (consonance Surface Science society manufactures: CA-05 type) to measure contact angle.Be that the situation of running water and the situation of pure water (ion exchange water) measure respectively to circulating water.Metewand is as follows.Contact angle is good (zero) lower than 70 °, and contact angle is more than 70 ° and is roughly good (△) lower than 80 °, and contact angle is more than 80 ° is bad (×).
(processability evaluates 1: coefficient of friction)
The fin material (sample 1 ~ 42) made is used Bowden (Bowden) formula viscosity sliding test machine, with the condition mensuration coefficient of friction without oiling, load 0.2kgf, translational speed 4mm/ second.About metewand, coefficient of friction is good especially (◎) lower than 0.15, more than 0.15 and be good (zero) lower than 0.2, more than 0.2 and be that roughly well (△) more than 0.35 is bad (×) lower than 0.35.
(processability evaluates 2: punch process)
Fin being made to fin material (sample 1 ~ 42) punch process of enforcement based on calendaring molding made or the punch process based on stretch forming, confirming that by utilizing naked eyes the formability in the collar portion of the fin after implementing continuous 10,000 times is evaluated.
The inner face in the collar portion of fin after forming does not confirm the situation of the cob webbing problems such as ablation completely for good (zero), confirm the situation of the cob webbing problems such as slight ablation at the inner face in collar portion for roughly good (△), the situation that the whole face of the inner face in collar portion confirms the cob webbing problems such as ablation is bad (×).It should be noted that, at least one of calendaring molding and stretch forming is evaluated as the qualified as punch process of more than roughly good (△).
As shown in table 4, for sample 1 ~ 33 (embodiment), all possess the lubricity epithelium containing crosslinking agent with the solid constituent ratio of prescribed limit, therefore hydrophily and punch process are good.
As shown in table 5, about sample 34,35,37,38 (comparative example), in lubricity skin membrane all containing crosslinking agent or the solid constituent ratio of crosslinking agent that comprises all lower than 0.2 quality %, therefore hydrophily is bad.In addition, about sample 36,39, the solid constituent ratio of the crosslinking agent comprised in lubricity skin membrane is all more than 70 quality %, and therefore punch process is bad.Further, about sample 40 ~ 42, do not possess lubricity skin membrane, therefore hydrophily and punch process bad.
Symbol description
1 aluminium sheet
2 hydrophily skin membranes
3 lubricity skin membranes
4 change into process skin membrane
5 corrosion resistance skin membranes
6 crosslinking agents
10A, 10B, 10C, 10D fin material
Claims (4)
1. an aluminum fin material, is characterized in that, described aluminum fin material possesses hydrophily skin membrane and lubricity skin membrane successively on the surface of aluminium sheet or aluminium alloy plate,
Described hydrophily skin membrane comprises the resin combination containing hydrophilic resin, described hydrophilic resin be only be made up of the monomer with carboxyl polymer, containing the copolymer of monomer or their mixture with carboxyl;
Described lubricity skin membrane comprises following resin combination, described resin combination contains lubricity resin and crosslinking agent, and the ratio shared by solid constituent of crosslinking agent is 0.2 ~ 70 quality % in the total solid constituent of described lubricity resin and described crosslinking agent, described lubricity resin is selected from polyethylene glycol, more than one in the alkali metal salt of carboxymethyl cellulose and carboxymethyl cellulose, described crosslinking agent is selected from water-soluble epoxy resin, water-soluble carbodiimide compound, more than one in the resin of water dispersible carbodiimide compound and Shui dissolubility Han oxazolinyl.
2. aluminum fin material according to claim 1, it is characterized in that, corrosion resistance skin membrane is also possessed at described aluminium sheet or between described aluminium alloy plate and described hydrophily skin membrane, described corrosion resistance skin membrane comprises the resin combination containing corrosion-resistant resin, described corrosion-resistant resin be selected from polyester based resin, polyolefin-based resins, epoxy system resin, acrylic resin and polyurethane series resin more than one.
3. aluminum fin material according to claim 1, it is characterized in that, at described aluminium sheet or also possess between described aluminium alloy plate and described hydrophily skin membrane and change into process skin membrane, described in change into process skin membrane and comprise inorganic oxide or organic-inorganic composite compound.
4. aluminum fin material according to claim 3, it is characterized in that, corrosion resistance skin membrane is also possessed described changing between process skin membrane and described hydrophily skin membrane, described corrosion resistance skin membrane comprises the resin combination containing corrosion-resistant resin, described corrosion-resistant resin be selected from polyester based resin, polyolefin-based resins, epoxy system resin, acrylic resin and polyurethane series resin more than one.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012074485A JP5301701B1 (en) | 2012-03-28 | 2012-03-28 | Aluminum fin material |
| JP2012-074485 | 2012-03-28 | ||
| PCT/JP2013/055436 WO2013146077A1 (en) | 2012-03-28 | 2013-02-28 | Aluminum fin material |
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| Publication Number | Publication Date |
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| CN104024784A CN104024784A (en) | 2014-09-03 |
| CN104024784B true CN104024784B (en) | 2016-03-16 |
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| JP (1) | JP5301701B1 (en) |
| CN (1) | CN104024784B (en) |
| WO (1) | WO2013146077A1 (en) |
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| JP6374219B2 (en) * | 2014-05-23 | 2018-08-15 | 三菱アルミニウム株式会社 | Fin material for heat exchanger and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479152B1 (en) * | 1999-11-12 | 2002-11-12 | Nippon Steel Corporation | Lubricative stainless steel sheets and pipes and method of producing lubricative stainless steel pipes |
| CN1892169A (en) * | 2005-06-27 | 2007-01-10 | 株式会社神户制钢所 | Aluminium fin material |
| JP2008001080A (en) * | 2006-05-25 | 2008-01-10 | Furukawa Sky Kk | Aluminum-coated plate and precoat aluminum fin material using this plate |
| JP2008202133A (en) * | 2007-02-22 | 2008-09-04 | Mitsubishi Alum Co Ltd | Aluminum precoated sheet, and heat exchanger |
| CN201191103Y (en) * | 2008-03-07 | 2009-02-04 | 湖南晟通科技集团有限公司 | Aluminum foil for supper-hydrophilic antimicrobial type heat converter |
| JP2010105329A (en) * | 2008-10-31 | 2010-05-13 | Furukawa-Sky Aluminum Corp | Aluminum-coated plate |
| JP2011002146A (en) * | 2009-06-18 | 2011-01-06 | Panasonic Corp | Heat exchanger and air conditioner or clothing washer-dryer using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3331156B2 (en) * | 1997-08-12 | 2002-10-07 | スカイアルミニウム株式会社 | Aluminum coating material |
-
2012
- 2012-03-28 JP JP2012074485A patent/JP5301701B1/en not_active Expired - Fee Related
-
2013
- 2013-02-28 WO PCT/JP2013/055436 patent/WO2013146077A1/en active Application Filing
- 2013-02-28 CN CN201380004491.0A patent/CN104024784B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479152B1 (en) * | 1999-11-12 | 2002-11-12 | Nippon Steel Corporation | Lubricative stainless steel sheets and pipes and method of producing lubricative stainless steel pipes |
| CN1892169A (en) * | 2005-06-27 | 2007-01-10 | 株式会社神户制钢所 | Aluminium fin material |
| JP2008001080A (en) * | 2006-05-25 | 2008-01-10 | Furukawa Sky Kk | Aluminum-coated plate and precoat aluminum fin material using this plate |
| JP2008202133A (en) * | 2007-02-22 | 2008-09-04 | Mitsubishi Alum Co Ltd | Aluminum precoated sheet, and heat exchanger |
| CN201191103Y (en) * | 2008-03-07 | 2009-02-04 | 湖南晟通科技集团有限公司 | Aluminum foil for supper-hydrophilic antimicrobial type heat converter |
| JP2010105329A (en) * | 2008-10-31 | 2010-05-13 | Furukawa-Sky Aluminum Corp | Aluminum-coated plate |
| JP2011002146A (en) * | 2009-06-18 | 2011-01-06 | Panasonic Corp | Heat exchanger and air conditioner or clothing washer-dryer using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013146077A1 (en) | 2013-10-03 |
| CN104024784A (en) | 2014-09-03 |
| JP5301701B1 (en) | 2013-09-25 |
| JP2013204919A (en) | 2013-10-07 |
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