CN1069336C - Preparation of sintered PES non-stickness paint for kitchenware and household appliance - Google Patents
Preparation of sintered PES non-stickness paint for kitchenware and household appliance Download PDFInfo
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- CN1069336C CN1069336C CN97112079A CN97112079A CN1069336C CN 1069336 C CN1069336 C CN 1069336C CN 97112079 A CN97112079 A CN 97112079A CN 97112079 A CN97112079 A CN 97112079A CN 1069336 C CN1069336 C CN 1069336C
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Abstract
The present invention belongs to the preparing technology of high temperature and low temperature sintering PES anti-stick paint for kitchen utensils and household electric appliances. On the basis of the original high temperature resistant anticorrosive PET paint, a fluoropolymer is added in PES as a main ingredient to form an anti-stick ingredient. Subsequently, various kinds of pigment and pearl powder are used as a pigmented finish ingredient, and consequently, different using requirements can be met by using the high temperature sintering technology and the low temperature sintering technology. Compared with the traditional anti-stick paint, the paint of the present invention has characteristics of strong adhesion and high hardness.
Description
The invention belongs to the technology of preparing of cooker, the anti-stickness paint of household electrical appliances usefulness high and low temperature sintering PES.
Polyethersulfone (PES) resin except that stronger acid-alkali-corrosive-resisting is arranged, also has the bonds well power with metal material such as steel, cast iron, aluminium etc., and it is very good therefore being used for high-temperature anticorrosion with its solution as protective system.We are once in the spraying coating process patent (application number is 85107781.1, and certificate of patent book number is 3872) of 89 years application polyethersulfone fire-resistant anticorrosion paints for this reason.And in chemical anticorrosion, obtained successful application.
The high-temperature anticorrosion on chemical industry equipment, many cookers and household electrical appliances also begin to adopt high temperature to prevent stickness paint but in recent years.The coating of this purposes, except that require coating high temperature resistant with the metal strong adhesion, also requiring to have has certain anti-being stained with property and beautiful ornamental to processed food.We are on the basis of the PES of former patent fire-resistant anticorrosion paint for this reason, through succeeding in developing as anti-formulation for coating material and the corresponding spray sintering technology of being stained with coating in metal productss such as cooker, household electrical appliances, mould surface various screenings of not being stained with composition and decoration composition repeatedly, thereby finished the present invention, its technical requirements comprises:
One, prescription
1, coating is main composition with PES, is meant that the gross weight of each composition in the gained coating is 100%, and the amount of PES resin is greater than 50% in the coating.
2, solvent system is: the mixed solvent of three major types such as ketone, benzene class, amine, wherein ketones solvent can be selected one or both among n-formyl sarcolysine base pyrrolidone (N-MP), butanone, the acetone for use, benzene kind solvent can be selected one or both in the benzene,toluene,xylene for use, and amine solvent can be selected one or both in N,N-DIMETHYLACETAMIDE (DMAc), the dimethyl formamide.
3, prevent that being stained with component is fluoropolymer, can select polytetrafluoroethylene (PTFE) for use, voltalef, any one or two kinds of above mixed compositions in perfluor second, the propylene copolymer (being fluoro-4.6) etc.
4, be decorated and be divided into various mineral dyes or pigment dyestuff, can select iron oxide black with the purposes difference, red iron oxide, the coating of color and lusters such as that non-toxic pigments such as high luminance relay carbon black are modulated into is black, grey, palm fibre is used for the goods that food utensil and cooker etc. have nontoxic requirement, can select cadmium red for use to the purposes that does not have nontoxic requirement, all kinds of high temperature resistant inorganic pigment such as cadmium is green.
Also can adopt versicolor pearly pigment or ultrafine metal powders simultaneously, as aluminium powder, copper powder etc., gold, silver color etc. are mixed with and are the photochromic coating of metallic bead of all kinds.
Two, the preparation technology of coating.At first, be hybridly prepared into mixed solvent with certain solvency power and evaporation rate by the difference requirement of purposes and the balance of cost with above-mentioned listed solvent.(wherein the consumption of each component is adjustable 1%～50%).Then, get a certain amount of solvent and the required anti-composition fluoropolymer of being stained with, mixed grinding becomes uniform suspension in colloidal mill or sand mill, emits standby; Remaining mixed solvent is injected colloidal mill or sand mill under cycling condition, substep adds the PES resin of aequum, after treating all dissolvings, a certain amount of pigment that adds required color again continues circular grinding after evenly, add giving the earlier ground standby anti-composition fluoropolymer suspension of being stained with, row ground 10 minutes again, formed PES coating suspension fully uniformly.Be the of all kinds anti-stickness paint that is not the pearly-lustre look after emitting.
Be the coating of pearly-lustre look as need preparations, then can be at the above-mentioned pearlescence that adds a certain proportion of required color and luster in the uniform coating that ground, be stirred to by hand be uniformly dispersed till.Make sure to keep in mind and can not grind in machines such as colloidal mill or sand mill this moment, otherwise poor effect.
Three, spray sintering technology
1, high temperature sintering type
When adopting tetrafluoroethylene to do to prevent being stained with component (being used for cooker), the sintering process after its spraying is identical with preceding patent of invention more.Promptly spraying back is earlier 120 ℃ of left and right sides low temperature oven oven dry 20 minutes, treats that solvent removed about 80%, and the High Temperature Furnaces Heating Apparatus sintering that moves on to 380 ℃ again can form required coating in 20 minutes.
2, low-temperature sintering type
When adopting trifluorochloroethylene, perfluor ethylene-propylene copolymer (fluoro-4.6) is done anti-when being stained with component, its spraying with give that stoving process is identical with the former fully, just in the end during sintering, can carry out at a lower temperature, its lower limit must not be lower than 280 ℃, otherwise can not form the ideal coating.Its reason be lower than this temperature above-mentioned anti-be stained with component can not the fusion film forming.The advantage of this low temperature modification coating has two aspects, and the one, because the low fine aluminium article coatings that can be used for of sintering temperature, as the impeller of smoke exhaust ventilator etc.The 2nd, the reduction of sintering temperature has been created condition for adopting the allochroic organic dye of high temperature, and it is more extensive that coating can be obtained, more bright-coloured color and luster.
Embodiment:
One, high temperature sintering type
Use N-MP10%, DMAc40%, toluene 26%, butanone 25% is mixed with mixed solvent.
Embodiment 1 (black) gets the 300g mixed solvent, 80g PTFE, in colloidal mill, grind formed in 10 minutes emit behind the uniform suspension standby.Again the 430g mixing solutions is added in the colloidal mill, under loop condition, slowly the 180gPES resin-oatmeal is added, treat to dissolve fully the back and add the 10g carbon black, continue to be ground to evenly after, again will above-mentioned ground PTFE suspension add continue to be ground to even till.Put into encloses container, can get 1000g coating finished product.
After spraying on the set iron, 120 ℃ of oven dry in baking oven were warmed up to 380 ℃ of sintering and can obtain coating sample in 20 minutes in 20 minutes again.Referring to accompanying drawing A-2-1
Embodiment 2 (grey)
Other component dosage just reduces to 1g with carbon black fully with embodiment 1 in the prescription, and other adds the 30g titanium white.Grind order fully with embodiment 1, spraying, oven dry, sintering condition are fully with embodiment 1.The coating sample that obtains is shown in accompanying drawing A-2-2.
Two, low-temperature sintering type
Use N-MP5%, DMAc50%, toluene 39%, butanone 6% is made into mixed solvent.
Embodiment 3 (dark red)
Press the prescription of embodiment 1 with above-mentioned mixed solvent, just wherein PTFE, be replaced with 80g fluoro-4.6, carbon black changes the 5g cadmium red into, and other preparation section is fully with embodiment 1, and the coating sample that obtains is shown in accompanying drawing A-1-9.
Embodiment 4 (in vain)
Ratio of components and preparation technology just are replaced with the 50g titanium white with cadmium red wherein fully with embodiment 3, and the coating sample that is sprayed into is shown in accompanying drawing A-1-10.
Embodiment 5 (orchid)
Ratio of components and preparation technology just are replaced with the 3.5g pthalocyanine blue with cadmium red composition wherein fully with embodiment 3.The coating sample that gained coating is sprayed into is shown in accompanying drawing A-1-1.
Embodiment 6 (green)
Ratio of components and preparation technology just are replaced with the 8.7g phthalocyanine green with the pthalocyanine blue composition fully with embodiment 5.The coating sample that gained coating is sprayed into is shown in accompanying drawing A-1-3.
Embodiment 7
Adding model in the coating of embodiment 4 is the golden pearlescence 2g of 922X, carbon black 1g, and after stirring by hand, the coating sample that gained coating is sprayed into is shown in accompanying drawing B-1-7.
Embodiment 8
Adding model in the coating of embodiment 4 is the silver-coloured lustre powder 2g of 1000#, carbon black 1g, and the coating sample that the back gained coating that stirs by hand is sprayed into is shown in accompanying drawing C-1-5.
Claims (5)
1, a kind of cooker, household electrical appliances are with high, the preparation method of the anti-stickness paint of low-temperature sintering PES, it is characterized in that at first with ketone, the benzene class, amine, three kind solvents are made into mixed solvent, get a certain amount of solvent and the anti-component fluoropolymer of being stained with, to become uniform suspension to emit standby for mixed grinding in colloidal mill or sand mill, remaining mixed solvent is injected colloidal mill or sand mill under cycling condition, substep will be 100% in the gross weight of each composition in the gained coating, the amount of PES resin adds greater than 50% PES resin in the coating, after treating all dissolvings, add a certain amount of mineral dye of required color or pigment dyestuff again and continue circular grinding until evenly, to give earlier ground standby suspension again adds, ground again 10 minutes, form PES coating suspension fully uniformly, be the anti-stickness paint that is not the pearly-lustre look after emitting, as at above-mentioned pearly pigment or the ultrafine metal powders that adds a certain proportion of required color and luster that ground in the uniform coating, be stirred to by hand and be uniformly dispersed, prepare and be pearly-lustre look coating, carry out high temperature after being coated with as required or low-temperature sintering becomes coating.
2, cooker as claimed in claim 1, household electrical appliances are prevented the preparation method of stickness paint with high and low temperature sintering PES, it is characterized in that ketones solvent can select a kind of among n-formyl sarcolysine base pyrrolidone, butanone, the acetone or two kinds for use, benzene kind solvent can be selected a kind of in the benzene,toluene,xylene or two kinds for use, amine solvent can be selected a kind of in N,N-DIMETHYLACETAMIDE, the dimethyl formamide or two kinds, is made into mixed solvent.
3, cooker as claimed in claim 1, household electrical appliances be with the preparation method of the anti-stickness paint of high and low temperature sintering PES, it is characterized in that the anti-component fluoropolymer of being stained with can select any or the blending ingredients more than two kinds in tetrafluoroethylene, voltalef, the fluoro-4.6 for use.
4, cooker as claimed in claim 1, household electrical appliances are prevented the preparation method of stickness paint with high and low temperature sintering PES, it is characterized in that pigment can select non-toxic pigment with the purposes difference, to there not being the various high temperature resistant inorganic pigment of selecting for use of nontoxic requirement, adopt high temperature sintering to become coating, when low-temperature sintering, adopt various pigment dyestuffs.
5,, it is characterized in that pigment can select for use iron oxide black or red iron oxide, high luminance relay carbon black, cadmium red, cadmium green with the purposes difference, pthalocyanine blue, phthalocyanine green as claim 1,4 described cookers, household electrical appliances preparation method with the anti-stickness paint of high and low temperature sintering PES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97112079A CN1069336C (en) | 1997-05-20 | 1997-05-20 | Preparation of sintered PES non-stickness paint for kitchenware and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97112079A CN1069336C (en) | 1997-05-20 | 1997-05-20 | Preparation of sintered PES non-stickness paint for kitchenware and household appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1168403A CN1168403A (en) | 1997-12-24 |
| CN1069336C true CN1069336C (en) | 2001-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN97112079A Expired - Fee Related CN1069336C (en) | 1997-05-20 | 1997-05-20 | Preparation of sintered PES non-stickness paint for kitchenware and household appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950466B (en) * | 2004-05-06 | 2011-05-25 | 肖特股份有限公司 | Glass ceramic or glass element that can be subjected to great thermal loads and is decorated with a metallic color |
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|---|---|---|---|---|
| CN101497764B (en) * | 2008-01-30 | 2011-12-21 | 曾志玲 | Formula and production process of polyethersulfone water soluble paint |
| CN101525518B (en) * | 2008-03-05 | 2012-05-02 | 慧智科技（中国）有限公司 | Water-based non-stick polyether sulphone coating containing no perfluorooctanoic acid and method for preparing same |
| CN104277612B (en) * | 2014-09-19 | 2016-07-13 | 苏州云舒新材料科技有限公司 | A kind of electric iron high-temperature resistant coating and preparation method thereof |
| CN104190862B (en) * | 2014-09-24 | 2016-08-31 | 无锡康柏斯机械科技有限公司 | A kind of machinery cast steel processing adiabatic release coating and preparation method thereof |
| CN107629572B (en) * | 2017-09-21 | 2020-07-10 | 金华大荣涂料有限公司 | Oily teflon non-stick coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107781A (en) * | 1985-10-24 | 1987-05-06 | 吉林大学 | The preparation of fire-resistant anticorrosion paint and coated technique thereof |
| CN1030433A (en) * | 1987-06-30 | 1989-01-18 | 埃德朗产品公司 | Bonding mixing material of polymer-metal and adhering method |
| CN1064292A (en) * | 1990-12-12 | 1992-09-09 | 纳幕尔杜邦公司 | Non-stick coating system with concentration gradient |
| CN1145627A (en) * | 1994-02-04 | 1997-03-19 | 纳幕尔杜邦公司 | Primer compsn. and use of the same compsn. for coating metal surfaces with a fluororesin |
-
1997
- 1997-05-20 CN CN97112079A patent/CN1069336C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107781A (en) * | 1985-10-24 | 1987-05-06 | 吉林大学 | The preparation of fire-resistant anticorrosion paint and coated technique thereof |
| CN1030433A (en) * | 1987-06-30 | 1989-01-18 | 埃德朗产品公司 | Bonding mixing material of polymer-metal and adhering method |
| CN1064292A (en) * | 1990-12-12 | 1992-09-09 | 纳幕尔杜邦公司 | Non-stick coating system with concentration gradient |
| CN1145627A (en) * | 1994-02-04 | 1997-03-19 | 纳幕尔杜邦公司 | Primer compsn. and use of the same compsn. for coating metal surfaces with a fluororesin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950466B (en) * | 2004-05-06 | 2011-05-25 | 肖特股份有限公司 | Glass ceramic or glass element that can be subjected to great thermal loads and is decorated with a metallic color |
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| Publication number | Publication date |
|---|---|
| CN1168403A (en) | 1997-12-24 |
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