CN102085977A - Roller for office automation equipment and coating agent therefor - Google Patents
Roller for office automation equipment and coating agent therefor Download PDFInfo
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- CN102085977A CN102085977A CN2010105304378A CN201010530437A CN102085977A CN 102085977 A CN102085977 A CN 102085977A CN 2010105304378 A CN2010105304378 A CN 2010105304378A CN 201010530437 A CN201010530437 A CN 201010530437A CN 102085977 A CN102085977 A CN 102085977A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 102
- 239000000049 pigment Substances 0.000 claims abstract description 65
- 238000000576 coating method Methods 0.000 claims abstract description 62
- 229920003180 amino resin Polymers 0.000 claims abstract description 32
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 19
- 238000004132 cross linking Methods 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims description 61
- 239000011347 resin Substances 0.000 claims description 61
- 239000003292 glue Substances 0.000 claims description 51
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 229920005749 polyurethane resin Polymers 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000007761 roller coating Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 5
- 239000004840 adhesive resin Substances 0.000 abstract 4
- 229920006223 adhesive resin Polymers 0.000 abstract 4
- 230000000052 comparative effect Effects 0.000 description 18
- 239000007787 solid Substances 0.000 description 17
- 239000000470 constituent Substances 0.000 description 12
- 229920000515 polycarbonate Polymers 0.000 description 12
- 239000004417 polycarbonate Substances 0.000 description 12
- 239000000839 emulsion Substances 0.000 description 11
- 229920000877 Melamine resin Polymers 0.000 description 10
- 239000004640 Melamine resin Substances 0.000 description 10
- 239000004927 clay Substances 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 125000001841 imino group Chemical group [H]N=* 0.000 description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 235000014692 zinc oxide Nutrition 0.000 description 4
- CTRPRMNBTVRDFH-UHFFFAOYSA-N 2-n-methyl-1,3,5-triazine-2,4,6-triamine Chemical compound CNC1=NC(N)=NC(N)=N1 CTRPRMNBTVRDFH-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229920003270 Cymel® Polymers 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- VZXTWGWHSMCWGA-UHFFFAOYSA-N 1,3,5-triazine-2,4-diamine Chemical compound NC1=NC=NC(N)=N1 VZXTWGWHSMCWGA-UHFFFAOYSA-N 0.000 description 1
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910033181 TiB2 Inorganic materials 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- CMVOJSWILFNLFI-UHFFFAOYSA-L magnesium;dibromate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-]Br(=O)=O.[O-]Br(=O)=O CMVOJSWILFNLFI-UHFFFAOYSA-L 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- Paints Or Removers (AREA)
- Handling Of Cut Paper (AREA)
- Electrophotography Configuration And Component (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The invention provides a roller for office automation equipment (OA roller) and a coating agent therefore. A coating formed on the outer surface of the main body of a metallic roller can maintain excellent properties for a long time and may not be worn, distorted, adhered to a belt or peeled off. The OA roller has a main metallic body of which the outer surface is coated with a coating formed by coating of a coating agent, curing of adhesive resin and a crosslinking reaction, wherein the coating agent contains the adhesive resin capable of curing, pigment and amino resin serving as a crosslinking agent. Relative to 100 weight parts of adhesive resin, 25-120 weight parts of the pigment and 15-55 weight parts of the amino resin are provided. The coating agent for the OA roller contains the adhesive resin, pigment and amino resin serving as a crosslinking agent.
Description
Technical field
The present invention relates to have coating at metallic roller main body outer peripheral face, as office automation (the being designated hereinafter simply as OA) machine of electrostatic duplicator etc. in the OA roller (business automation equipment roller) that uses as driven roller etc., and the OA roller coating agent that is used to form the coating of described OA roller.
Background technology
In electrostatic duplicator, laser printer, plain paper facsimile and their OA machines such as all-in-one, the OA roller of the driven roller that is used to rotate driving tapes, transfer belt, intermediate transfer belt etc. and uses etc., cover metallic roller main body outer peripheral face in order to prevent it from sliding or with coating, or surface roughening is carried out on the surface of described coating handle (for example refer to Patent Document 1～3 etc.) with respect to generations such as bands.
But along with the high speed of the print out rate of described electrostatic duplicator in recent years etc., the OA roller that has occurred implementing described existing processing can not prevent long-term effectively and the slip of interband, such problem of sliding takes place within a short period of time.
Its reason can think because driven roller etc. and band etc. contacts for a long time repeatedly, thus surface roughening the frayed reduction friction force of outer peripheral face, or coating is peeled off due to the disappearance of roller main body outer peripheral face.
And, except described sliding problem, when for example electrostatic duplicator stops under environments for use such as high temperature, high humidity environment, coating also easily causes the part distortion or bonds to be with, perhaps bonding coating is peeled off from roller main body outer peripheral face, and the fragment of perhaps peeling off enters other parts of electrostatic duplicator and impacts such problem to forming image.
Patent documentation 1: the spy opens flat 10-236627 communique
Patent documentation 2: utility model is logined communique No. 3000760
Patent documentation 3: the spy opens the 2002-326733 communique
Summary of the invention
The object of the present invention is to provide a kind of OA roller, it is formed on coating on the metal matter roller main body outer peripheral face and can does not wear and tear in a short time or be out of shape or be bonded in band etc. and go up or peel off, can the good characteristic of long term maintenance, the OA roller coating agent that is suitable for forming described OA roller coating also is provided.
In order to address the above problem, the contriver has carried out following research: by in the coating agent that contains curable resin glue such as urethane elastomer that forms coating, add the crosslinking agent of described resin glue and improve the crosslink density of the resin glue after the curing, thereby prevent described coating layer portion distortion or bond on the band etc.; And, shrink by in described coating agent, adding the film of pigment when relaxing resin glue and solidifying, improve coating after solidifying for the adhesiveness of metallic roller main body outer peripheral face, thereby prevent to peel off.
But, difference according to the crosslinking agent kind, existence can't import good cross-linked structure in coating, can't prevent in high temperature, high humidity environment are inferior that particularly coating from part occurring and being out of shape or bonding on the band etc. or bonding coating is peeled off such problem from roller main body outer peripheral face.
In addition, under the too much situation of the content of crosslinking agent, coating hardening surface friction coefficient can occur and reduce and slip with interband easily takes place, and under the too much situation of the content of pigment, the problem that coating becomes fragile, easily peels off from roller main body outer peripheral face on the contrary can occur.
Therefore the scope to the content of the kind of crosslinking agent and content and pigment makes further research, and has finished the present invention.
Promptly, OA roller of the present invention, it is characterized in that, on metallic roller main body outer peripheral face, be provided with and be coated with the coating that resin glue is solidified to form, described coating agent contains resin glue, pigment and the described amino resin that has with the curable of solidifying as the reaction of the amino resin of crosslinking agent, with respect to the described resin glue of 100 mass parts, described pigment is more than 25 mass parts, below 120 mass parts, and described amino resin is more than 15 mass parts, below 55 mass parts.
And, OA roller coating agent of the present invention, it is characterized in that, it is used to form described coating, contain resin glue with curable, pigment and as the amino resin of the resin cross-linking agent of described adhesive agent, with respect to the described resin glue of 100 mass parts, described pigment is more than 25 mass parts, below 120 mass parts, and described amino resin is more than 15 mass parts, below 55 mass parts
Described resin glue is preferably waterborne polyurethane resin.The described coating agent that contains waterborne polyurethane resin forms owing to using water as solvent, therefore can reduce the burden to environment.
And, be preferably pigment and contain filler pigment at least.The effect that film when filler pigment has excellent preventing resin glue from solidifying shrinks.
And, be preferably pigment and contain pigment at least with nadel.The nadel of described pigment is to give prominence to as microspike from coating surface, has by the scratch effect to band to improve the friction coefficient of OA roller, simultaneously to the excellent effect of the described great friction coefficient of long term maintenance.
According to the present invention, can provide it to be formed on coating on the metal matter roller main body outer peripheral face can not wear and tear in a short time or be out of shape or be bonded in band etc. and go up or peel off, OA roller that can the long term maintenance superperformance, and the OA roller coating agent that is suitable for forming described OA roller coating.
Description of drawings
Fig. 1 is used to measure the schematic representation of apparatus of the coating surface of OA roller of the present invention for the coefficientoffriction of band.
Nomenclature
The F load
The W quality
θ center angle
1 roller main body
2 coatings
3 OA rollers
4 center shafts
5 force indicators
6 hammers
7 bands
The specific embodiment
OA roller of the present invention, it is characterized in that, it is being provided with the coating that behind the coating coating agent resin glue is solidified to form on metal matter roller main body outer peripheral face, described coating agent contains resin glue with curable, pigment and as the amino resin of the resin cross-linking agent of described adhesive agent, with respect to the described resin glue of 100 mass parts, described pigment is more than 25 mass parts, below 120 mass parts, and described amino resin is more than 15 mass parts, below 55 mass parts.
And, the coating agent that is used to form described coating of the present invention, it is characterized in that, it contains resin glue with curable, pigment and as the amino resin of the resin cross-linking agent of described adhesive agent, with respect to the described resin glue of 100 mass parts, described pigment is the pigment that 25 mass parts are above, 120 mass parts are following, and described amino resin is more than 15 mass parts, below 55 mass parts.
Described resin glue can use have curable and by with the various resins that can improve crosslink density as the reaction of the amino resin of crosslinking agent, particularly preferably be waterborne polyurethane resin.The coating agent that contains described waterborne polyurethane resin forms owing to using water as solvent, therefore can reduce the burden to environment.
Described waterborne polyurethane resin, the Sanyo that for example can enumerate to polycarbonate polyurethane resin water-based emulsion changes into PERMARIN (registered trade mark (RTM)) UA-300, UA-310, the UA-368 that industry (strain) is produced; The PERMARIN UA-50 that the said firm produces that is all for the EU resin aqueous solution; PERMARIN UA-150, the UC-20 that the said firm produces that be all for the EU resin emulsion; Be similarly more than a kind or 2 kinds of SUPERFLEX (registered trade mark (RTM)) E-4000 that the first industrial pharmacy (strain) of EU resin emulsion produces etc., but not limited.
As amino resin, for example can enumerate melamine resin, urea formaldehyde resin, guanamine resin etc., can play various amino resins as the function of described waterborne polyurethane resin crosslinking agent.
Described amino resin for example can be enumerated the CYMEL (registered trade mark (RTM)) 323,325,327,328,385 for the Cytec company production of the high imino group melamine resin solution that methylates; The CYMEL 370,373,3749 that the said firm produces that is all for part methyl melamine resin solution; The U-VAN (registered trade mark (RTM)) 120 that produces for the Mitsui Chemicals (strain) of normal-butyl melamine resin solution; Or it is for the Hitachi of MEE melamine resin solution changes into more than a kind or 2 kinds of MELAN (registered trade mark (RTM)) 552 that (strain) produce etc., but not limited.
The content of described amino resin must be more than 15 mass parts, below 55 mass parts with respect to 100 mass parts resin glues.
Content is during less than described scope, can't obtain that amino resin brings because of containing, as to improve resin glue crosslink density, prevent that coating is particularly in high temperature, the distortion of high humidity environment lower part or bond on the band etc. or effect that bonding coating is peeled off from roller main body outer peripheral face.
In addition, when content surpasses described scope, make the crosslink density of resin glue become too high, simultaneously coating be become really up to the mark on the contrary, reduce the friction coefficient on surface thus, easily slide with band etc.
In addition, even under described any situation, coating also has the tendency that reduces slightly for the adhesiveness of roller main body outer peripheral face.
And, consider to form a kind of in the appearance that more effectively suppresses the problems referred to above, for the also excellent coating of the adhesiveness of described metal matter roller main body outer peripheral face, then the content of amino resin is more than 25 mass parts, below 45 mass parts with respect to 100 mass parts resin glues preferably also in described scope.
And, when resin glue uses the previously described emulsion or the aqueous system, amino resin uses under the situation of previously described solution, and the content of described amino resin is meant the mass parts with respect to solid constituent (amino resin) solid constituent (resin glue) in the described emulsion of 100 mass parts or the aqueous system, in the solution.
Pigment is preferably the filler pigment of previously described film contractive effect when having excellent preventing resin glue from solidifying.
Described filler pigment for example can be enumerated more than a kind or 2 kinds of clays such as kaolin or blanc fixe, calcium carbonate, aluminium hydroxide, magnesium carbonate, talcum, mica etc.
The content of described pigment must be more than 25 mass parts, below 120 mass parts with respect to 100 mass parts resin glues.
Content is during less than described scope, can't obtain contraction that pigment brings because of containing, film when relaxing resin glue and solidifying, improve coating after solidifying and the adhesiveness of metal matter roller main body outer peripheral face is prevented the effect peeled off.
In addition, when content surpassed described scope, coating became fragile, and easily peels off from roller main body outer peripheral face on the contrary.
And, consider to form a kind of the problems referred to above that more effectively prevent, have the good adhering coating to described metal matter roller main body outer peripheral face, then the content of pigment is more than 45 mass parts, below 100 mass parts with respect to 100 mass parts resin glues preferably in described scope.
In addition, the pigment that also preferably has nadel as pigment.Wherein, be preferably the nadel that has more than 2 is radial outstanding three-dimensional shape from the center pigment, for example be preferably 4 nadels from the center mutually with equal angles to the pigment of outstanding so-called four pins (tetra pick) shape of 4 directions etc.
Described pigment for example can be enumerated more than a kind or 2 kinds of zinc oxide, magnesium oxide, aluminium borate, carborundum, silicon nitride, potassium titanate, basic magnesium sulfate, calcium sulphate, calcium phosphate sodium, antifungin, calcium carbonate, titanium diboride, gypsum, aluminium oxide, asbestos, sepiolite or xonolite etc.In addition, can also be the compound of the star sand that produces of Okinawa Prefecture etc.
Wherein, preferred described four acicular zinc oxides crystals whisker that are.
Described pigment is imbedded with 1 in the upper process and have been given play to the anchor effect in the coating owing to 2 at least, therefore can prevent coming off of the stimulation because of band, pigment that wearing and tearing cause, and, the residue projection is outstanding as microspike from coating surface, improve the friction coefficient of OA roller by scratch effect, play the effect of the described great friction coefficient of long term maintenance simultaneously with band.Therefore, can keep the superperformance of OA roller for more time.
But described pigment can also be that integral body is one needle-like.
And, use at resin glue under the situation of the previously described emulsion or the aqueous system, described filler pigment or the content with pigment etc. of nadel are meant the mass parts with respect to the pigment of the solid constituent (resin glue) in the described emulsion of 100 mass parts or the aqueous system.
In addition, as pigment, can also be with described filler pigment, have the different pigment of the multiple functions such as pigment of nadel and use.At this moment, because the synergism of the function of described each pigment, can keep the superperformance of OA roller for more time.And the time spent, the content of pigment is meant and the mass parts summation of the pigment more than 2 kinds of usefulness, in the middle of the described solid constituent of per 100 mass parts that it needs in the scope of the present patent application regulation.
In the coating agent, except described each composition, can also contain existing known various additives such as defoamer, dispersion stabilizer, surface tension modifier with arbitrary proportion.
From reducing on the burden to environment, coating agent is preferably the water-based system that water is as previously explained cooked solvent.
For example, when adopting the material that the state with the previously described water-based emulsion or the aqueous system provides as resin glue, in the described emulsion or the aqueous system, add the content that pigment and amino resin reach described regulation, add other additive as required simultaneously, just can obtain described aqueous coating agent.
And, can also add the component solvent of entry or water and water-miscible organic solvent as required, thereby regulate the viscosity of coating agent.
With described coating agent, with spray painting etc. arbitrarily coating process for example be applied to by on the metal cylindric and even columned roller main body outer peripheral face such as aluminium, copper, brass, corrosion-resistant steel, the dry then solvent that anhydrates etc. that removes, heating makes resin glue generation curing reaction again, carry out cross-linking reaction by effect simultaneously as the amino resin of crosslinking agent, thereby the formation coating obtains the OA roller.
The surface of described OA roller with respect to the coefficientoffriction of the band of combining with it preferably more than 0.3, particularly preferably in more than 0.6.Coefficientoffriction is during less than described scope, and occurs easily between the band sliding, the described band of driving that might can't be good.
And, in the present invention, adopt device shown in Figure 1, use according to the measuring method of Euler's band formula and measure and the value that obtains is represented coefficientoffriction.
The OA roller 3 that will be as previously described forms coating 2 on the outer peripheral face of metal matter roller main body 1 remains it with the direction rotation shown in the long and two-short dash line arrow in the state of horizontal direction can be according to figure of the center shaft 4 of described roller main body 1.And, keep constant state that force indicator 5 is set with distance with the center shaft 4 of described OA roller 3 on the next door of OA roller 3.
Then, the other end with 7 of one end having been installed the hammer 6 of quality W (g) is connected on the described force indicator 5, simultaneously so that a described end with 7 hammer 6 sides fall to than OA roller 3 state of below more, with described with 7 with center shaft 4 be the center center angle θ (°) scope in contact with the coating 2 of described OA roller 3.
Then, with force indicator 5 measure with OA roller 3 by direction shown in the described long and two-short dash line arrow, the load F (g) that produces when being rotated with certain speed, with described load F (g), hammer 6 quality W (g) and center angle θ (°), through type (1) is tried to achieve coefficientoffriction.
μ＝(1/θ)ln(F/W) (1)
The coating thickness that forms the coating agent of coating is preferably more than the 20 μ m, below the 100 μ m.
Coating thickness possibly can't form the uniform coating of thickness during less than described scope.
In addition, when coating thickness surpasses described scope, may occur flowing weighing down and wait and the degraded appearance of coating, and may reduce the operability of drying property etc.
Described OA roller of the present invention can be suitable in the OA machine as electrostatic duplicator, laser printer, plain paper facsimile and their all-in-one etc., as being used to rotate the driven roller that drives tapes, transfer belt, intermediate transfer belt etc.
The preparation of the coating agent in following examples, the comparative example, OA be with the making and the test of roller, remove put down in writing especially, be under 23 ± 5 ℃, the environment of relative humidity 55 ± 5%, to carry out.
Change into the PERMARIN UA-300 (water-based emulsion of polycarbonate polyurethane resin that industry (strain) is produced in aforesaid Sanyo, solid content 38 quality %) in, CYMEL327 (the isobutanol solution of the high imino group melamine resin that methylates that cooperates previous described Cytec company to produce, solid content 88～92 quality %) and clay (hydrous kaolin type, the ASP-170 that BASF AG produces), modulated coating agent.
In the described coating agent, the content of the described clay in the middle of the polycarbonate polyurethane resin as resin glue of per 100 mass parts (solid constituent of PERMARIN UA-300) is 65 mass parts, the content of the high imino group melamine resin (solid constituent of CYMEL327) that methylates is 36 mass parts.
With spray painting described coating agent being applied to external diameter is that 24 φ, length are on aluminium (A6063) the matter roller main body outer peripheral face of 22.6mm, at room temperature leave standstill about 30 minutes and make its drying, then after under 90 ℃ predrying 10 minutes, heated 15 minutes down at 140 ℃, resin glue take place to be solidified and carry out cross-linking reaction and form coating, make the OA roller.
Except the content as the described clay in the middle of the polycarbonate polyurethane resin of resin glue with per 100 mass parts changes 10 mass parts (comparative example 1), 20 mass parts (comparative example 2), 25 mass parts (embodiment 2), 45 mass parts (embodiment 3), 100 mass parts (embodiment 4), 120 mass parts (embodiment 5), 150 mass parts (comparative example 3) into, identical with embodiment 1, thereby the preparation coating agent makes the OA roller.
Except the content as the high imino group melamine resin that methylates in the middle of the polycarbonate polyurethane resin of resin glue with per 100 mass parts changes 10 mass parts (comparative example 4), 15 mass parts (embodiment 6), 25 mass parts (embodiment 7), 45 mass parts (embodiment 8), 55 mass parts (embodiment 9), 60 mass parts (comparative example 5) into, identical with embodiment 1, thereby the preparation coating agent makes the OA roller.
Embodiment 10
Beyond CYMEL 370 (isobutanol solution of part methyl melamine resin, solid content 86～90 quality %) the replaced C YMEL327 that produces with Cytec company, identical with embodiment 1, thus the preparation coating agent makes the OA roller.
Per 100 mass parts in the described coating agent are 36 mass parts as the content of the part methyl melamine resin (solid constituent of CYMEL370) in the middle of the polycarbonate polyurethane resin (solid constituent of PERMARIN UA-300) of resin glue.
Comparative example 6
Except spinning CARBODILITE (registered trade mark (RTM)) E-02 (water-based emulsion of polycarbodiimide that chemistry (strain) is produced clearly with the day that belongs to the different types of crosslinking agent of amino resin, solid content 40 quality %) beyond the replaced C YMEL 327, identical with embodiment 1, thereby the preparation coating agent makes the OA roller.
Per 100 mass parts in the described coating agent are 36 mass parts as the content of the polycarbodiimide (solid constituent of CARBODILITE E-02) in the middle of the polycarbonate polyurethane resin (solid constituent of PERMARIN UA-300) of resin glue.
Comparative example 7
Belong to ELASTRON (registered trade mark (RTM)) BN69 (solution of producing with the first industrial pharmacy (strain) of the different types of crosslinking agent of amino resin of blocked isocyanate cmpd except using, solid content 40 quality %) beyond the replaced C YMEL 327, example 1 is identical with executing, thereby the preparation coating agent makes the OA roller.
Per 100 mass parts in described coating agent are 36 mass parts as the content of the blocked isocyanate cmpd (solid constituent of ELASTRON BN69) in the middle of the polycarbonate polyurethane resin (solid constituent of PERMARIN UA-300) of resin glue.
High temperature, high wet test
The outer peripheral face of the OA roller that in constituting described each embodiment, comparative example, makes, on the coating surface, under the state of the band of direct contact polyimide system, with described tape wrapping on the outer peripheral face of OA roller, after leaving standstill 7 days under the high temperature of 60 ℃ of temperature, relative humidity 80%, the high humidity environment, observe its state, and coating is estimated by following standard.
Zero: part distortion or bonding with band etc. do not appear in coating.
*: coating has occurred partly being out of shape or has bonded on band etc.
Adhesiveness test
Adhesiveness to the coating in the OA roller that makes in described each embodiment, the comparative example, test according to disclosed test method among the JES Japan Engineering Standards JIS K5600-5-6:1999 " 5 ones of coating ordinary test method-Di: engineering properties-Di 6 joints of filming: tack (cross patterning method (crosscut) method) ", and test results is estimated.That is, test results is divided into 6 grades according to the table 1 among the JISK5600-5-6,0～2 grade is judged to be good adhesion, 3～5 grades to be judged to be adhesiveness bad.
Measuring friction coefficient
Try to achieve the friction coefficient of the coating surface of the OA roller that makes described each embodiment, the comparative example by described formula (1) from measuring the result who obtains with respect to the band of described polyimide system with previously described Fig. 1 device.
Above result is shown in table 1～table 3.
Table 1
Table 2
Table 3
By the result of the comparative example 6,7 of the embodiment 1～10 of table 1～3 and table 3 as can be known, with amino resin during as crosslinking agent, can in coating, import good cross-linked structure, can prevent that part occurring in coating under high temperature, the high humidity environment is out of shape or bonds on the band etc. or situation that bonding coating is peeled off from roller main body outer peripheral face.
In addition, by the result of the embodiment 1～5 of table 1 and comparative example 1～3 as can be known, as the content of the clay of pigment is being must be more than 25 mass parts, below 120 mass parts with respect to 100 mass parts resin glues, particularly preferably be 45 mass parts above, below 100 mass parts.
And, by the result of the embodiment 1,6～9 of table 2 as can be known, as the content of the amino resin of crosslinking agent is being must be more than 15 mass parts, below 55 mass parts with respect to 100 mass parts resin glues, particularly preferably be 25 mass parts above, below 45 mass parts.
Embodiment 11～13
Except replacing clay (aforementioned ASP-170) as filler pigment with being four acicular zinc oxides crystals whisker (Pana-Tetra (registered trade mark (RTM)) that Panasonic's (strain) produces), make it in being beyond the ratio of 25 mass parts (embodiment 11), 65 mass parts (embodiment 12), 100 mass parts (embodiment 13) contains as the polycarbonate polyurethane resin of resin glue with respect to 100 mass parts, identical with embodiment 1, thereby the preparation coating agent makes the OA roller.
Embodiment 14
Except will as the clay (aforementioned ASP-170) of filler pigment be four acicular zinc oxides crystals whisker (aforementioned Pana-Tetra) and with, identical with embodiment 1, thus the preparation coating agent makes the OA roller.With respect to 100 mass parts be: clay 30 mass parts, ZnOw 35 mass parts, add up to 65 mass parts as the content of two kinds of pigment of the polycarbonate polyurethane resin of resin glue.
Embodiment 15
Except changing into: clay 65 mass parts, ZnOw 30 mass parts, total 95 mass parts with respect to the content of 100 mass parts as two kinds of pigment of the polycarbonate polyurethane resin of resin glue, identical with embodiment 14, thereby the preparation coating agent makes the OA roller.
Comparative example 8
Except changing into: clay 65 mass parts, ZnOw 65 mass parts, total 130 mass parts with respect to the content of 100 mass parts as two kinds of pigment of the polycarbonate polyurethane resin of resin glue, identical with embodiment 14, thereby the preparation coating agent makes the OA roller.
About the OA roller that makes in described each embodiment, the comparative example, previously described each characteristic is estimated.The result is as shown in table 4.
Table 4
By the result of the embodiment 11～15 of table 4 as can be known, by containing pigment, can significantly improve the friction coefficient of OA roller with nadel.In addition, by the result of described embodiment 11～15 and comparative example 8 as can be known, as pigment, though be use separately pigment with nadel or with filler pigment and usefulness such as clay, it be more than 25 mass parts, below 120 mass parts with respect to 100 mass parts resin glues that the content of described pigment (total amount) all needs.
Claims (5)
1. a business automation equipment roller is characterized in that, is provided with coating at metal matter roller main body outer peripheral face and resin glue is solidified and carries out cross-linking reaction and the coating that forms; Described coating agent contains resin glue with curable, pigment and as the amino resin of the resin cross-linking agent of described adhesive agent, with respect to the described resin glue of 100 mass parts, described pigment is more than 25 mass parts, below 120 mass parts, and described amino resin is more than 15 mass parts, below 55 mass parts.
2. business automation equipment roller as claimed in claim 1, wherein, described resin glue is a waterborne polyurethane resin.
3. business automation equipment roller as claimed in claim 1 or 2, wherein, described pigment contains filler pigment at least.
4. as any described business automation equipment roller of claim 1 to 3, wherein, described pigment contains the pigment with nadel at least.
5. a business automation equipment is with the roller coating agent, it is characterized in that, its outer peripheral face that is used to form in metal matter roller main body possesses the described coating of the business automation equipment of coating with roller, contain resin glue with curable, pigment and as the amino resin of the resin cross-linking agent of described adhesive agent, with respect to the described resin glue of 100 mass parts, described pigment is more than 25 mass parts, below 120 mass parts, and described amino resin is more than 15 mass parts, below 55 mass parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009277865A JP4843085B2 (en) | 2009-12-07 | 2009-12-07 | OA roller and coating agent for OA roller |
| JP2009-277865 | 2009-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102085977A true CN102085977A (en) | 2011-06-08 |
| CN102085977B CN102085977B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010530437.8A Expired - Fee Related CN102085977B (en) | 2009-12-07 | 2010-10-28 | Business automation equipment roller and business automation equipment roller coating agent |
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| Country | Link |
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| JP (1) | JP4843085B2 (en) |
| CN (1) | CN102085977B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5936445B2 (en) * | 2011-06-21 | 2016-06-22 | キヤノン株式会社 | Charging member and manufacturing method thereof, process cartridge, and electrophotographic apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011116544A (en) | 2011-06-16 |
| JP4843085B2 (en) | 2011-12-21 |
| CN102085977B (en) | 2015-12-02 |
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