CN104861826A - Powder coating for polypropylene sanitary product, preparation method and application - Google Patents
Powder coating for polypropylene sanitary product, preparation method and application Download PDFInfo
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- CN104861826A CN104861826A CN201510224619.5A CN201510224619A CN104861826A CN 104861826 A CN104861826 A CN 104861826A CN 201510224619 A CN201510224619 A CN 201510224619A CN 104861826 A CN104861826 A CN 104861826A
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Abstract
The invention relates to a special powder coating for a polypropylene sanitary product. The special powder coating for the polypropylene sanitary product comprises, by weight, 540-850 parts of special resin, 90-250 parts of special curing agents, 120-280 parts of packing, 40-90 parts of pigment, 10-20 parts of adhesion promoters and 30-50 parts of additives. The powder coating is low in curing temperature, high in curing speed and high in crosslinking density, and has excellent solvent resistance, scratch resistance and decorative performance, the problem that a polypropylene/calcium carbonate material is poor in decorative performance and chemical resistance is solved, the value of a coated object is improved, the high decorative performance is achieved, the coating effect is good, the coated object, like ceramics, is sparkling, crystal clear and lustrous, and the powder coating is quite suitable for coating of the sanitary product.
Description
Technical field
The invention belongs to powder coating technology field, relate to decorative powder coatings, especially a kind of powder coating for polypropylene sanitaryware and preparation method and application.
Background technology
The product of polypropylene material has the good characteristics such as environmental protection, radiationless, anti-crimping, and production technique has that level of automation is high, condemnation factor is low, pollution-free, low-carbon (LC), exempt from the significant advantages such as high-temperature firing.The sanitaryware adopting polypropylene material to prepare, effectively can avoid the shortcoming such as highly energy-consuming, high pollution, maximum discharge of traditional ceramics sanitaryware production technique, thus receive much concern in recent years.Due to sanitaryware Long Term Contact cold and hot water, acid-basicity cleaning product etc., and the hydrophilic material such as a large amount of calcium carbonate of the many interpolations of polypropylene material, therefore its heatproof, water-fast, resistance to acids and bases is limited.In addition, the outward appearance of polypropylene and calcium carbonate composite material still can not meet the demand of people.Therefore, the sanitaryware of polypropylene material needs carry out coating protection and beautify.
Powder coating is the powdered form coating that a kind of solid divides 100%, and the coating of formation is sturdy and durable, ornamental excellent, and energy-conserving and environment-protective, VOC free discharge, be one of the most promising environment-friendly type coating.Coating prepared by powder coating is smooth glossy, graceful noble, and can greatly promote application product quality, creative arts is enjoyed.Powder coating is all early widely used at numerous areas such as food, medicine, medicine equipments.
Polypropylene sanitaryware, because of its working conditions, require the chemical-resistants such as the coating heatproof of application, water-fast, acid and alkali-resistance, and coating also wants safety and environmental protection, long service life, therefore needs a kind of new powder coating at present badly to meet existing demand.
By retrieval, not yet find the patent publication us relevant to patent application of the present invention.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of heatproof, water-fast, acid and alkali-resistance, high decoration, the powder coating for polypropylene sanitaryware of solvent-free, nontoxic pest and preparation method are provided, its protection that can be used for polypropylene sanitaryware is held concurrently and is decorated, and this coating is the desirable coating of application polypropylene sanitaryware.
To achieve these goals, the technical solution adopted in the present invention is as follows:
For a powder coating for polypropylene sanitaryware, its raw material forms component and parts by weight are respectively:
And described Special Resin is food grade glycidyl ether type epoxy resin; Or described extraordinary solidifying agent is food grade phenols curing agent and/or imidazole curing agent; Or described filler is food grade ultra-fine barium sulfate; Or described pigment is made up of ultrafine rutile titanium dioxide and mineral dye.
And, titanium dioxide in described pigment: the part by weight of mineral dye is 50:4 ~ 6.
And the epoxy equivalent (weight) of described Special Resin is 1750 ~ 1950g/eq, and ring and ball softening point is 115-125 DEG C; Or described adhesion promoter is that chlorinatedpolyolefins is acrylic resin modified.
And described auxiliary agent is the mixture of growth agent, flow agent, anti-interference agent and air release agent.
And the weight ratio of described growth agent, flow agent, anti-interference agent and air release agent is 5 ~ 9:10 ~ 14:9 ~ 16:6 ~ 11.
And described growth agent is the long chain fatty acid ester of polyvalent alcohol, described polyvalent alcohol is the alcohols containing more than three or three hydroxyls in molecule, and described longer chain fatty acid is the lipid acid containing 16 or 18 carbon atoms; Or described flow agent is the mixture of butyl polyacrylate and aerosil, the weight ratio of butyl polyacrylate and aerosil is 50 ~ 70:30 ~ 50; Or described anti-interference agent is for containing organosilyl polyacrylate(s) material; Or described air release agent is the mixture of st-yrax and amide substance.
And, described polyvalent alcohol is ethylene glycol, 1,2-propylene glycol, 1,4-fourth two. alcohol, 1,6-hexylene glycol, neopentyl glycol, tetramethylolmethane, Diethylene Glycol, dipropylene glycol, TriMethylolPropane(TMP) or glycerine, described longer chain fatty acid is palmitinic acid, oleic acid, linolic acid, linolenic acid or stearic acid; Or described amide substance is acid amides, the weight ratio of described st-yrax and acid amides is 2 ~ 5:4 ~ 6.
As above for the preparation method of the powder coating of polypropylene sanitaryware, step is as follows:
Above-mentioned each material is added to high speed mixer by weight, forcing machine is added to after dry blending, conventional melting, mixing, cooling, compressing tablet is carried out extrusion temperature 80 ~ 90 DEG C, again through pulverizer pulverizing, classification, sieve, pack, obtain the special protective of polypropylene sanitaryware and to hold concurrently decorative powder coatings.
As above for the application of powder coating in the sanitaryware application of polypropylene material of polypropylene sanitaryware.
Advantage of the present invention and positively effect are:
1, powder coating solidification temperature of the present invention is low, curing speed is fast, cross-linking density is high, it is ornamental that coating has excellent solvent resistance, resistance to marring and excellence, solve the problem that the ornamental difference of polypropylene/calcium carbonate material, chemical-resistant are not good, improve the value of coated article, have high-decoration, painting effect is the sparkling and crystal-clear moist application being applicable to very much sanitaryware as pottery.
2, this powder coating selects extraordinary tetraglycidel ether epoxy resin, improves the chemical-resistant of coating; Select extraordinary solidifying agent, reduce the solidification value of coating, reduce the impact that coating elevated cure process is out of shape ground.
3, the powder coating of the present invention acrylic resin modified adhesion promoter of chlorinatedpolyolefins of selecting polypropylene board special, effectively can improve the sticking power between polypropylene board and coating.
4, the pigment selected by powder coating of the present invention, filler are food grade materials, there is not safety and sanitation problem, are detected by state food coating hygienic standard GB/T5009.69-2008, can not polluted water; In addition, this powder coating is detected by European Union ROHS, and the coating safety and sanitation rank formed is higher, can relievedly use.
Accompanying drawing explanation
Fig. 1 is the design sketch after powder coating and their application toilet lid of the present invention;
Fig. 2 is that the coating prepared of powder coating of the present invention and base material sticking power test design sketch.
Embodiment
Below in conjunction with embodiment, the present invention is further described; Following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
The reagent used in the present invention, if no special requirements, is reagent conventional in this area; The method used in the present invention, if no special requirements, is method conventional in this area.
The Special Resin used in the present invention can (epoxy equivalent (weight) be 1750 ~ 1950g/eq for the epoxy resin YD-017 of national capital Chemical Co., Ltd., ring and ball softening point is 115-125 DEG C), this based epoxy resin by F.D.A certification, mainly with the filling coating for food product containers; The solidifying agent used is food grade phenols curing agent and/or imidazole curing agent, and coating is solidified at a lower temperature; The V209 solidifying agent used is the solidifying agent product of Shaanxi Jin Chen Chemical Co., Ltd.; The pigment used, filler and auxiliary agent are food grade purity; The adhesion promoter used can be the CP-7540 of this special chemical of hamming; The growth agent used can be this growth agent of Hubei Lay H308.
Embodiment 1
For a powder coating for polypropylene sanitaryware, its raw material forms component and parts by weight are respectively:
In described auxiliary agent, the weight ratio of growth agent, flow agent, anti-interference agent and air release agent is 5 ~ 9:10 ~ 14:9 ~ 16:6 ~ 11.
The step of the preparation method of the above-mentioned powder coating for polypropylene sanitaryware is as follows:
Above-mentioned each material is added to high speed mixer by weight, forcing machine is added to after dry blending, carry out conventional melting, mixing, cooling, compressing tablet extrusion temperature 80 ~ 90 DEG C, then through pulverizer pulverizing, classification, sieve, pack, namely become powder coating finished product.
The painting effect of above-mentioned powder coating as shown in Figure 1.
Embodiment 2
For a powder coating for polypropylene sanitaryware, its raw material forms component and parts by weight are respectively:
Above-mentioned special decorative holds concurrently the step of preparation method of protection powder coating with embodiment 1.
Embodiment 3
For a powder coating for polypropylene sanitaryware, its raw material forms component and parts by weight are respectively:
Above-mentioned special decorative holds concurrently the step of preparation method of protection powder coating with embodiment 1.
Embodiment 4
For a powder coating for polypropylene sanitaryware, its raw material forms component and parts by weight are respectively:
Above-mentioned special decorative holds concurrently the step of preparation method of protection powder coating with embodiment 1.
The related test results of powder coating of the present invention:
1, powder coating of the present invention have passed SGS certification, Halogen certification, ROHS certification etc., and its toxicity and heavy metal analysis all meet hygienic standard.
2, the technical target of the product of powder coating of the present invention and detection method:
1) water tolerance: tap water soaks month without fading the bad phenomenon such as foaming deliquescing that come off;
2) acid resistance: 3% hydrochloric acid soln soak 240 hours without exception;
3) alkali resistance: 5% sodium hydroxide solution soak 168 hours without exception;
4) sticking power: standard GB9286, instrument uses cross-cut tester, brush, adhesive tape, magnifying glass; Detected result: 0-2 level; Test effect as shown in Figure 2.
5) cold test: constant temperature places 24 hours under-10 DEG C of environment, workpiece surface properties is all unchanged;
6) Thermal test: in 100 DEG C of boiling water 2 hours, surface property is not any change.
Above result shows, powder coating heatproof of the present invention, water-fast, acid and alkali-resistance, high decoration, solvent-free, nontoxic pest, its protection that can be used for polypropylene sanitaryware is held concurrently and decorated, and this coating is the desirable coating of application polypropylene sanitaryware.
Claims (10)
1. for a powder coating for polypropylene sanitaryware, it is characterized in that: its raw material forms component and parts by weight are respectively:
2. the powder coating for polypropylene sanitaryware according to claim 1, is characterized in that: described Special Resin is food grade glycidyl ether type epoxy resin; Or described extraordinary solidifying agent is food grade phenols curing agent and/or imidazole curing agent; Or described filler is food grade ultra-fine barium sulfate; Or described pigment is made up of ultrafine rutile titanium dioxide and mineral dye.
3. the powder coating for polypropylene sanitaryware according to claim 2, is characterized in that: titanium dioxide in described pigment: the part by weight of mineral dye is 50:4 ~ 6.
4. the powder coating for polypropylene sanitaryware according to claim 1, is characterized in that: the epoxy equivalent (weight) of described Special Resin is 1750 ~ 1950g/eq, and ring and ball softening point is 115-125 DEG C; Or described adhesion promoter is that chlorinatedpolyolefins is acrylic resin modified.
5. the powder coating for polypropylene sanitaryware according to claim 1, is characterized in that: described auxiliary agent is the mixture of growth agent, flow agent, anti-interference agent and air release agent.
6. the powder coating for polypropylene sanitaryware according to claim 5, is characterized in that: the weight ratio of described growth agent, flow agent, anti-interference agent and air release agent is 5 ~ 9:10 ~ 14:9 ~ 16:6 ~ 11.
7. the powder coating for polypropylene sanitaryware according to claim 5 or 6, it is characterized in that: described growth agent is the long chain fatty acid ester of polyvalent alcohol, described polyvalent alcohol is the alcohols containing more than three or three hydroxyls in molecule, and described longer chain fatty acid is the lipid acid containing 16 or 18 carbon atoms; Or described flow agent is the mixture of butyl polyacrylate and aerosil, the weight ratio of butyl polyacrylate and aerosil is 50 ~ 70:30 ~ 50; Or described anti-interference agent is for containing organosilyl polyacrylate(s) material; Or described air release agent is the mixture of st-yrax and amide substance.
8. the powder coating for polypropylene sanitaryware according to claim 7, it is characterized in that: described polyvalent alcohol is ethylene glycol, 1,2-propylene glycol, 1,4-fourth two. alcohol, 1,6-hexylene glycol, neopentyl glycol, tetramethylolmethane, Diethylene Glycol, dipropylene glycol, TriMethylolPropane(TMP) or glycerine, described longer chain fatty acid is palmitinic acid, oleic acid, linolic acid, linolenic acid or stearic acid; Or described amide substance is acid amides, the weight ratio of described st-yrax and acid amides is 2 ~ 5:4 ~ 6.
9. the preparation method of the powder coating for polypropylene sanitaryware as described in any one of claim 1 to 8, is characterized in that: step is as follows:
Above-mentioned each material is added to high speed mixer by weight, forcing machine is added to after dry blending, conventional melting, mixing, cooling, compressing tablet is carried out extrusion temperature 80 ~ 90 DEG C, again through pulverizer pulverizing, classification, sieve, pack, obtain the special protective of polypropylene sanitaryware and to hold concurrently decorative powder coatings.
10. the application of powder coating in the sanitaryware application of polypropylene material for polypropylene sanitaryware as described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510224619.5A CN104861826B (en) | 2015-05-06 | 2015-05-06 | A kind of powdery paints and preparation method and application for polypropylene sanitaryware |
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| CN201510224619.5A CN104861826B (en) | 2015-05-06 | 2015-05-06 | A kind of powdery paints and preparation method and application for polypropylene sanitaryware |
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| CN104861826A true CN104861826A (en) | 2015-08-26 |
| CN104861826B CN104861826B (en) | 2017-09-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238210A (en) * | 2015-10-27 | 2016-01-13 | 山东富瑞工贸有限公司 | Drinking-water metal-valve-pipeline powder coating |
| CN107674545A (en) * | 2017-10-25 | 2018-02-09 | 佛山市品柏智能科技有限公司 | A kind of bathroom wash basin slurry |
| JP2018070777A (en) * | 2016-10-31 | 2018-05-10 | 新日鉄住金化学株式会社 | Epoxy resin powder body coating composition for cast iron pipe inner surface |
| CN108047827A (en) * | 2017-12-22 | 2018-05-18 | 上海海隆赛能新材料有限公司 | For corrosion-resistant dual-component coating inside steel pipe peculiar to vessel |
| CN110804329A (en) * | 2019-11-29 | 2020-02-18 | 老虎表面技术新材料（清远）有限公司 | Powder coating facilitating powdering and resisting solidification and sliding and application thereof |
| CN111218141A (en) * | 2019-11-29 | 2020-06-02 | 老虎表面技术新材料（清远）有限公司 | A energizer, powder coating and automobile wheel hub for powder coating |
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| US5514433A (en) * | 1993-07-30 | 1996-05-07 | The Dexter Corporation | Coating composition for metal containers |
| CN103289524A (en) * | 2013-05-23 | 2013-09-11 | 天津翔盛粉末涂料有限公司 | Special decorative powder coating for glass wine bottle and ceramic vessel and application |
| CN103709908A (en) * | 2013-12-30 | 2014-04-09 | 山东朗法博粉末涂装科技有限公司 | Super weather resistant low-temperature curing powder coating for glass reinforced plastic |
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2015
- 2015-05-06 CN CN201510224619.5A patent/CN104861826B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5514433A (en) * | 1993-07-30 | 1996-05-07 | The Dexter Corporation | Coating composition for metal containers |
| CN103289524A (en) * | 2013-05-23 | 2013-09-11 | 天津翔盛粉末涂料有限公司 | Special decorative powder coating for glass wine bottle and ceramic vessel and application |
| CN103709908A (en) * | 2013-12-30 | 2014-04-09 | 山东朗法博粉末涂装科技有限公司 | Super weather resistant low-temperature curing powder coating for glass reinforced plastic |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238210A (en) * | 2015-10-27 | 2016-01-13 | 山东富瑞工贸有限公司 | Drinking-water metal-valve-pipeline powder coating |
| JP2018070777A (en) * | 2016-10-31 | 2018-05-10 | 新日鉄住金化学株式会社 | Epoxy resin powder body coating composition for cast iron pipe inner surface |
| CN107674545A (en) * | 2017-10-25 | 2018-02-09 | 佛山市品柏智能科技有限公司 | A kind of bathroom wash basin slurry |
| CN108047827A (en) * | 2017-12-22 | 2018-05-18 | 上海海隆赛能新材料有限公司 | For corrosion-resistant dual-component coating inside steel pipe peculiar to vessel |
| CN108047827B (en) * | 2017-12-22 | 2020-05-19 | 上海海隆赛能新材料有限公司 | Double-component coating for internal corrosion resistance of marine steel pipeline |
| CN110804329A (en) * | 2019-11-29 | 2020-02-18 | 老虎表面技术新材料（清远）有限公司 | Powder coating facilitating powdering and resisting solidification and sliding and application thereof |
| CN111218141A (en) * | 2019-11-29 | 2020-06-02 | 老虎表面技术新材料（清远）有限公司 | A energizer, powder coating and automobile wheel hub for powder coating |
| CN110804329B (en) * | 2019-11-29 | 2022-08-30 | 老虎表面技术新材料（清远）有限公司 | Powder coating facilitating powdering and resisting solidification and sliding and application thereof |
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| CN104861826B (en) | 2017-09-26 |
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