CN1083036C - Iron and soleplate for iron - Google Patents
Iron and soleplate for iron Download PDFInfo
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- CN1083036C CN1083036C CN97191305A CN97191305A CN1083036C CN 1083036 C CN1083036 C CN 1083036C CN 97191305 A CN97191305 A CN 97191305A CN 97191305 A CN97191305 A CN 97191305A CN 1083036 C CN1083036 C CN 1083036C
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- flatiron
- wearing course
- base plate
- coating
- intermediate layer
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Abstract
The invention relates to a iron with metal soleplate which coating a antiwear layer contains inorganic polymer. In order to improve score resistance of the antiwear layer, a hard intermediate layer is installed on a aluminum soleplate which faces to the antiwear layer. The intermediate layer is optimized made of alumine which formed by means of electrification processing. The antiwear layer is made of polyalkyl-3-alkoxysilane, especially methyl-3-alkoxysilane to obtain more thick coating and better score resistance. Adding millmiccro oxidate particles and inorgnic colorant in this kind of coating to improve score resistance.
Description
The present invention relates to a kind of be furnished be coated with the flatiron of metal base plate that apposition one deck contains the wearing course of inorganic polymer on it.The invention still further relates to a kind of base plate that scribbles the wearing course that is applicable to flatiron on it.
According to such as European patent book EP-640.714 and the US.5.592.765 that is equal to thereof, can have gained some understanding to flatiron type described in one section of the above beginning basically.Above-mentioned application for patent has more specifically been narrated a kind of stainless steel base plate that is coated with the wear-resistant thin layer of apposition one deck polysilicate on it of being furnished with.This wearing course can form with certain solution coating by means of sol-gel technique.
Have been found that in some cases, the scratch-resistant right and wrong optimum of the wearing course of known flatiron.For example, if use base plate made of aluminum, the scratch-resistant of wearing course is not satisfied.Have been found that then the slight crack on the wearing course can be expanded if the wearing course of this class flatiron moves and simultaneously it exerted pressure on sharp-pointed object.
Improving above-mentioned known flatiron is one object of the present invention.More specifically, the object of the invention is to provide the high flatiron of a kind of scratch-resistant of its wearing course than known flatiron.The present invention also should provide a kind of base plate that has improved scratch-resistant that has.
The flatiron of type described in starting one section above adopting, these purposes of the present invention and other purpose are all realized, the flatiron of described type is characterised in that its base plate part that faces wearing course mainly is made of aluminum, and a hard intermediate layer is set between base plate and wearing course.
The present invention is based on experiment and see clearly out scratch-resistant can not satisfactoryly be because bottom is that this fact made of aluminum causes.In some cases, this material seems too soft and can not resist the pressure loading that may occur in the process of pressing.Have been found that this problem can overcome by use the hard intermediate layer between wearing course and base plate.
Say in principle, can constitute by an independent type aluminium according to sole plate of the present invention., can use the multilayer bottom plate of forming by several parts on the other hand.An example of this respect is that base plate comprises that first is fixed with on die casting aluminium and its that to be laminal pure basically aluminium be second portion.Have been found that pure basically aluminium is softer.Therefore, scribble the base plate and the base plate part of the above-mentioned material of the known wearing course that contains the three-D inorganic polymer on it, the formation on wearing course is responsive especially to crackle for they.Especially the existence in hard intermediate layer has significant benefit in this class formation.
Be noted that hard conating is understood as two times of hardness that the hardness that is meant this layer is at least aluminium here, preferably be at least five times of hardness of aluminium.Such hard conating can be by realizing such as base plate is carried out the surface-treated way before the coating wearing course.The aluminium surface can be by making its hardening such as nitriding process or carbonate method.In said method, nitrogen or carbon spread at the aluminium lamination that is arranged on the backplate surface separately.
From the cost viewpoint, another more significant solution is to adopt one deck thin, becomes flat hard formation plate.Dull and stereotyped must the employing such as the method for closing in, gluing and/or the method for employing such as mechanical fixation such as screw, rivet of this class makes on its surface that is fixed on aluminium (parts).Thin hardened plate or chrome-nickel steel plate prove very effective in this respect.Scribble described wearing course on these steel plate one sides, after this its uncoated surface is fixed on the base plate.The thickness of this class steel plate is preferably 0.2-4.0mm.
The embodiment of another interesting flatiron according to the invention is characterised in that the hard intermediate layer is made up of aluminium oxide.This one deck hard intermediate layer can adopt electrochemical method that the aluminium surface oxidation of base plate is realized before the coating wearing course simply.The usability methods of coating oxidation is commonly referred to " (hard) anodized ", " anodization of aluminium " and " hair-cream albefaction processing ".More experiment has pointed out the bonding in the wearing course that contains inorganic polymer and this class aluminium oxide intermediate layer very firm.
The thickness preferred value in intermediate layer is 5 microns～60 microns.If the thickness in intermediate layer is 5 microns or littler, then the scratch-resistant of wearing course will can not get improving.From the cost viewpoint, thickness is that 60 microns or bigger hard intermediate layer are unappealing.Half measure between two shortcomings of optimization process is that the thickness in intermediate layer is 10～40 microns.
The inorganic polymer of wearing course preferably adopts the sol-gel technology method that it is coated on the hard coat.Just can form the three-D inorganic polymer in this way.If necessary, this polymer also can include the pusher side base.The wearing course that is suitable for comprises the polymer based on zirconia, aluminium oxide, titanium oxide and preferred silica or their mixture and so on.
When employing is made coating by sol-gel solution on matrix, at first to prepare the solid particles colloidal suspension that places liquid.In this case, described colloidal suspension preferably is made up of the hydrolysis metal alkoxide particle that places organic solvent.In this connection, known metal alkoxide class is Ti-, Zr-, Al-and Si-four alcoxyl base class.Usually ethanol is used as organic solvent.The formation method of described colloidal sol is that the water of ormal weight and a spot of acid or alkali as catalyst are added in the metal oxide (mixture).Then, the synthetic colloidal sol that is stable in the ethanol is coated on the matrix of requirement with the shallow layer form.The catalyst and the water that add cause (part) alkoxide hydrolysis.Thereby the polycondensation generation, the result forms inorganic polymer.This process can be quickened under higher temperature.Form solvent volatilization in a large number in the preparation work process of sol-gel coating.Unnecessary solvent is volatilized under higher temperature falls.
By sol-gel process, can on aluminum soleplate hard intermediate layer, form one deck three-D inorganic polymer coating as thin as a wafer.If described coating adopts and made by described metal four alcoxyl base class, then its thickness is approximately 0.5 micron or littler.Employing can guarantee that as the shallow layer of the three-D inorganic polymer of first body wearing course of the present invention is very cheap to contain metal alkoxide.Be noted that the three-D inorganic polymer demonstrates than linear inorganic polymer and higher hardness arranged and comfort the crackle ability.So, the preferred three-dimensional polymer.
Have many kind colloidal sol to be coated in method on the base plate with the form of coating, for example can adopt dip-coating or spin coating method.The preferred spraying technology that adopts forms coating.So the coating that forms is lower than the coefficient of friction of the coating that forms with spin coating method.If require thick coating a little.Then can repeat the method for above-mentioned use several times.
A good flatiron embodiment according to the invention is characterized in that mainly being made up of the polymerization alkyltrialkoxysilaneand according to three-D inorganic polymer of the present invention.Have been found that wearing course based on this class polymerization silane demonstrates that the wearing course based on tetraalkoxysilane has the higher in fact crackle ability of comforting in the above-mentioned application for patent than being disclosed in.Therefore, the coating layer thickness of the flatiron wearing course of this embodiment according to the invention may be much thicker than the coating layer thickness of the flatiron wearing course that meets prior art.Use thick relatively wearing course that the antiwear property that increases coating is exerted an influence.It is 10～25 microns that flatiron wearing course according to the invention can be made into thickness.In order to make function the best, the coating layer thickness of known wearing course in fact should be less than 20 microns.Have been found that under thicker thickness situation, undesirable seminess can occur on the wearing course.The excursion of the optimum thickness of this class wearing course is 5～15 microns.
Have been found that in this class wearing course and use especially low alkyl group, such as phenyl-, propyl group-, and ethyl-trialkoxy silane is very favorable.Use methyl trialkoxysilane can reach optimum efficiency.The coating of utilizing methyl trialkoxysilane to obtain has than the coating of being made by the silanes that comprises higher and/or more complicated alkyl better comforts high temperature capabilities.
Find that also comprising a large amount of in the wearing course is favourable such as millimicro level oxidic particle filler.The average grain diameter that these oxidic particles have is below 100nm.The example of Shi Heing is millimicro level ZrO herein
2, Al
2O
3, TiO
2And/or SiO
2Particle.The quantity of described particle, according to the total weight of wearing course, its quantitative change scope is preferably 30～70wt.%.Adopt the millimicro level particle of about 50wt.% can reach good result as the filler in the wearing course.The existence of these fillers causes the increase of wearing course hardness.
The flatiron embodiment according to the invention that another is interesting is characterized in that comprising inorganic color pigment as filler according to wearing course of the present invention.These color pigments also can make wearing course have higher hardness.Herein, because the existence of this class color pigment has improved " outward appearance " of wearing course.Especially the inorganic color pigment based on mixed-metal oxides shows it is gratifying.Some color pigment kinds that very are suitable for are Fe
2O
3, CoAl
2O
4, and based on the mixed-metal oxides of TiNiSb and TiCrSb.The average grain diameter that these color pigments have is a few tenths of micron.Thereby they are particularly useful for such as the thicker wearing course of this class of the wearing course that utilizes alkyltrialkoxysilaneand to make.
The invention still further relates to the interchangeable base plate that is coated with wearing course and is applicable to flatiron.According to the present invention, mainly form towards the base plate part of the present invention of wearing course, and between this base plate and inorganic polymer wearing course, be equipped with the hard intermediate layer by aluminium.Be noted that the present invention both can be used for conventional flatiron and also has been applicable to steam iron.
With reference to more described embodiments hereinafter, these and other characteristic of the present invention is conspicuous and is illustrated.
In the accompanying drawings:
Fig. 1 shows a kind of flatiron according to the invention.
Be noted that for the sake of clarity, the flatiron shown in Fig. 1, the thickness of especially various coatings is not drawn in proportion.
Fig. 1 is a kind of diagrammatic side views of preferred steam iron embodiment according to the invention.Described flatiron comprises the metal base plate (2) of synthetic resin shell (1) and the configuration of its bottom sides.At this moment, this base plate by being fixed with fine aluminium thin flat plate (3) on it but die casting aluminium block (6) make.Disposing hard intermediate layer (4) and wearing course (5) successively towards backplate surface away from shell.The hard intermediate layer is made up of the NiCr steel plate such as independent setting, or preferably is made up of the aluminum oxide film coating that forms with electrochemical method.Wearing course (5) includes the three-D inorganic polymer that forms by means of sol-gel process.Be described with regard to several flatiron embodiments hereinafter.
In meeting first kind of embodiment of prior art, sole plate comprises a solid die casting piece of aluminium matter that contains Si.According to described in the above-mentioned application for patent EP-640.714,, on base plate, form the polysilicate coating that one deck is essentially 0.3 micron thickness by means of sol-gel technique.This flatiron is called " A type ".
In first kind of embodiment according to the invention, sole plate comprises a solid die casting piece of aluminium matter that contains Si.Fixing hard laminate on it with thin plate (0.4mm the is thick) form of NiCr steel.In this occasion, the front of this plate with described die casting piece gluing be in the same place, and the edge of this plate is granular.This plate face away from the surface of flatiron on scribble the thin wearing course of one deck already.This layer is made up of the polysilicate coating of 0.4 micron thickness.This coating forms according to method described in the above-mentioned application for patent.This flatiron is called " Type B ".
In second kind of embodiment according to the invention, sole plate comprises a solid die casting piece of aluminium matter that contains Si.Be equipped with a pure aluminum sheets (1.6mm is thick) thereon by means of screw engagement and glued the joint.In turn scribble the wearing course of hard coat and three-D inorganic polymer on away from the surface of die casting piece in advance at this plate.Hard coat is made up of the alumina layer of 23 micron thickness of utilizing electrochemical precipitation process method (hard anodizing processing) to form.Wearing course is made up of the multi-silicate salt deposit of 0.6 micron thickness.This coating forms according to method described in the above-mentioned application for patent.This flatiron is called " C type ".
In the third embodiment according to the invention, flatiron comprise basically with second kind of scheme in identical base plate.But in the third scheme, the thickness of hard laminate is 35 microns.In the third scheme, the thickness of wearing course is 10 microns and contains through organically-modified three-D inorganic polymer.In order to increase the hardness of wearing course, this layer also comprises a large amount of millimicro level oxidic particles and relatively a spot of inorganic color pigment.This flatiron is called " D type ".
The wearing course of " D type " flatiron is made as follows.At first, preparation comprises 19.4gMTMS (methyl trialkoxysilane), 0.9gTEOS (tetraethyl orthosilicate), 2.7gHAc (acetic acid), the 20g millimicro level oxidic particle (Ludox that contains 50% solids amount; Ludox) and the sol-gel solution of 1g inorganic color pigment.After carrying out hydrolysis in 1 hour, utilize automatic injection apparatus that above-mentioned solution is injected on the ironing surface that was subjected to anodized aluminum soleplate.The sol-gel that forms like this is placed on the cured of carrying out under 300 ℃ 45 minutes.The wearing course that obtains at last mainly comprises one deck through organically-modified polysilicate three-D inorganic polymer coating (10 microns of thickness).Wearing course can be made different colors with the kind of inorganic pigment.This coating demonstrate good scratch-resistant and with the good adhesion of metal base plate.After base plate had experienced 500 temperature cycles of 20～300 ℃, its adhesion did not descend.
Comparison according to the flatiron of four kinds of patterns can draw as drawing a conclusion.In all cases, the employing in hard intermediate layer has caused the scratch-resistant of wearing course to increase.Consider cause easy to manufacture, adopt the aluminium oxide hard coat that forms by electrochemical process for treating that tangible benefit is arranged.To get well such as the adhesion of NiCr steel flat board based on the wearing course of three-D inorganic polymer and the adhesion comparison of above-mentioned coating.Employing is to produce thicker wearing course through the remarkable advantage of organically-modified trialkoxy silane.In addition, the millimicro level oxidic particle that wearing course hardness is further increased can be added in such coating.In this case, Fu Jia benefit is and inorganic color pigment can also be added in the thick wearing course of this class.In addition, these color pigments make coating have tempting outward appearance.
Claims (8)
1. the flatiron that has a kind of metal base plate, this base plate have and are coated with the wearing course that apposition one deck contains inorganic polymer thereon, and the base plate part that it is characterized in that facing wearing course is mainly made of aluminum, and is provided with the hard intermediate layer between base plate and wearing course.
2. the flatiron of claim 1 is characterized in that the hard intermediate layer is made up of aluminium oxide.
3. claim 1 or 2 flatiron, the excursion that it is characterized in that the thickness in intermediate layer is 5～60 microns.
4. claim 1 or 2 flatiron is characterized in that inorganic polymer utilizes sol-gel process to form.
5. the flatiron of claim 4 is characterized in that described inorganic polymer mainly by the polymerization alkyltrialkoxysilaneand, and especially methyl trialkoxysilane is formed.
6. claim 1 or 2 flatiron is characterized in that wearing course includes millimicro level oxidic particle.
7. claim 1 or 2 flatiron is characterized in that wearing course also includes inorganic color pigment.
8. one kind is used for sole plate, it is characterized in that this base plate has wearing course and is suitable for being applied to the described flatiron of arbitrary claim of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97191305A CN1083036C (en) | 1996-09-24 | 1997-07-07 | Iron and soleplate for iron |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP9620673.8 | 1996-09-24 | ||
| CN97191305A CN1083036C (en) | 1996-09-24 | 1997-07-07 | Iron and soleplate for iron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1205039A CN1205039A (en) | 1999-01-13 |
| CN1083036C true CN1083036C (en) | 2002-04-17 |
Family
ID=5178886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97191305A Expired - Lifetime CN1083036C (en) | 1996-09-24 | 1997-07-07 | Iron and soleplate for iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1083036C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2848290B1 (en) * | 2002-12-05 | 2005-01-07 | Seb Dev | HEATING APPARATUS COVERED WITH SELF-CLEANING COATING |
| EP2119822A1 (en) * | 2008-05-16 | 2009-11-18 | Koninklijke Philips Electronics N.V. | Device comprising a coated metal plate and method for manufacturing such device |
| WO2011042886A2 (en) * | 2009-10-09 | 2011-04-14 | BSH Bosch und Siemens Hausgeräte GmbH | Iron soleplate, in particular for a steam iron |
| FR2998587B1 (en) * | 2012-11-26 | 2015-05-22 | Seb Sa | IRON IRON SOLE HAVING IMPROVED SLIPPING AND ABRASION RESISTANCE PROPERTIES |
| RU2657411C2 (en) * | 2013-02-06 | 2018-06-13 | Конинклейке Филипс Н.В. | Treatment plate for garment treatment appliance |
| CN106592189B (en) * | 2016-12-13 | 2019-10-25 | 安徽省煜灿新型材料科技有限公司 | The wear-resisting anti-sticking soleplate of one kind and preparation method |
| CN106498687B (en) * | 2016-12-13 | 2019-04-16 | 安徽省煜灿新型材料科技有限公司 | A kind of heat-and corrosion-resistant soleplate easy to clean and preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130222A (en) * | 1994-11-14 | 1996-09-04 | 菲利浦电子有限公司 | Iron with wear resistance layer |
-
1997
- 1997-07-07 CN CN97191305A patent/CN1083036C/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130222A (en) * | 1994-11-14 | 1996-09-04 | 菲利浦电子有限公司 | Iron with wear resistance layer |
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| Publication number | Publication date |
|---|---|
| CN1205039A (en) | 1999-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Koninklike Philips Electronics N. V. Applicant before: Philips Electronics N. V. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: N.V. PHILIPS' OPTICAL LAMP LTD., CO. TO: ROYAL PHILIPS ELECTRONICS CO., LTD. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20020417 |
|
| CX01 | Expiry of patent term |