CN101709195A - Pure epoxy powder coating for coating bakelite board and preparation method thereof - Google Patents
Pure epoxy powder coating for coating bakelite board and preparation method thereof Download PDFInfo
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- CN101709195A CN101709195A CN200910214238A CN200910214238A CN101709195A CN 101709195 A CN101709195 A CN 101709195A CN 200910214238 A CN200910214238 A CN 200910214238A CN 200910214238 A CN200910214238 A CN 200910214238A CN 101709195 A CN101709195 A CN 101709195A
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Abstract
The invention discloses a pure epoxy powder coating for coating a bakelite board, which comprises the following components in part by weight: 100 to 200 parts of epoxy resin, 1 to 50 parts of epoxy hardener, 0 to 200 parts of inorganic filler and 0 to 10 parts of auxiliary agent. That the bakelite board is coated by the pure epoxy powder coating is an ideal method, which has the advantages that: (1) when the powder coating is sprayed and baked, no solvent is generated, and over-sprayed powder can be recycled; (2) the coating process is simple and has few procedures; (3) compared with paint, the powder coating has superior adhesion, hardness, impact resistance, wear resistance and chemical resistance, and a coat is difficult to damage; and (4) through formula adjustment, surface coats with any grains, colors and glosses can be obtained, and have excellent decorative effect.
Description
Technical field
The present invention relates to a kind of powder coating, relate in particular to a kind of powder coating that is used for the special carte application, the invention still further relates to the preparation method of this powder coating simultaneously.
Background technology
Powder coating is a kind of generally acknowledged high efficiency, good film performance, ecological environment-friendly type, Eco-power 4E type coating products.Along with the progressively attention of people to environmental protection, problem such as energy-conservation, and make powder coating possess many performances that are beyond one's reach of thinking in early days in the eighties in 20th century to the strict demand of coating technology, powder coating is the same with other green coatings, has obtained develop rapidly in the whole world.
Early stage powder coating is no matter be thermoplasticity or thermoset, and its film-forming temperature is very high, generally needs toasting more than 180 ℃ 10～20 minutes, makes it use resistant substrates such as only being confined to metal, can't be applied to the thermo-sensitivity base material, as special carte, MDF plate etc.On the other hand, along with the raising of solidification value, the corresponding increase of energy consumption, the every reduction of solidification value is 10 ℃ according to the study, can save the application energy about 10%; Set time, length also caused the tinuous production floor space big, increased the retention time of product in baking vessel, and is all unfavorable to production cost and production efficiency.Therefore, powder coating is carried out emphasis and the focus that fast setting research has become each company's research recently.
The appearance of powder coating not only can realize powder coating fast setting at low temperatures, and makes powder coating can be applied to thermo-sensitivity base materials such as plastics, plank, cardboard, paper, has good application and Industry Development Prospect.
Summary of the invention
The object of the present invention is to provide a kind of pure epoxy type powder coating that is used for the special carte application, all solvent-free generation when spraying and baking of this powder coating is crossed the powder of spray and can be recycled; Have more excellent sticking power, hardness, shock resistance, wear resisting property and chemical resistance with respect to paint, coating is not easy destroyed; By formula adjustment, can obtain having any lines, color and glossy top coat, have splendid decorative effect.
Another object of the present invention is to provide the preparation method of above-mentioned powder coating.
A kind of pure epoxy type powder coating that is used for the special carte application provided by the invention, it comprises following components in weight portions:
100～200 parts of Resins, epoxy
1～50 part of epoxy hardener
0～200 part of mineral filler
0～10 part of auxiliary agent.
Powder coating among the present invention can obtain gloss, the different appearance of coat of pattern by changing the kind and the consumption of texture agent, pigment, therefore can add 0～5 part texture agent and/or 0～30 part pigment according to actual needs in said components.
In the component of powder coating of the present invention, it is the Resins, epoxy of 400～4000g/eq that described Resins, epoxy is selected epoxy equivalent (weight), and wherein preferred epoxy equivalent (weight) is the Resins, epoxy of 600～2000g/eq, and more preferably epoxy equivalent (weight) is the Resins, epoxy of 600～1000g/eq.
In the component of powder coating of the present invention, described imidazoles and derivatives class solidifying agent thereof are glyoxal ethyline, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-ethyl imidazol(e), 2,4-methylimidazole or 4-methylimidazole etc. and derivative thereof; The organic ureas solidifying agent of described modification is N-(4-chlorobenzene) N, N methylurea, 2, the two Dimethylureas of 4-toluene, 4,4 ' methylene-bis (PDU), PDU or alicyclic two ureas etc.
In the component of powder coating of the present invention, described mineral filler is one or more a mixture of titanium dioxide, barium sulfate, silicon powder, lime carbonate and mica powder.
In the component of powder coating of the present invention, described auxiliary agent is one or more the mixture in flow agent, st-yrax, defoamer and the growth agent.Wherein, described flow agent comprise 502, PV88 etc.; Defoamer is 703 etc.; Growth agent is EDI etc.
A kind of preparation method who is used for the pure epoxy type powder coating of special carte application provided by the invention may further comprise the steps:
(a) take by weighing Resins, epoxy, epoxy hardener, mineral filler and auxiliary agent by proportioning, place compounding jar, thorough mixing is also broken;
(b) material after the fragmentation enters in the forcing machine and extrudes;
(c) material after extruding is packed promptly after compressing tablet, cooling, pulverizing, screening.
Among the above-mentioned preparation method, each component mixing and broken time are 1～30 minute in the described step (a), and preferred 1～10 minute time, the best time is 1～5 minute.
Extrusion temperature in the described step (b) is 60～100 ℃, preferred 60～95 ℃, and more preferably 85～95 ℃.Described forcing machine adopts two or single screw extrusion machine.
The diameter of particle (equivalent grain size D50) of extrudate in the described step (c) after pulverizer is pulverized and sieved is 1～100 micron, preferred 10～80 microns, and more preferably 30～60 microns.
Powder coating of the present invention has following characteristics: all solvent-free generation when spraying and baking of (1) powder coating, and cross the powder of spray and can recycle; (2) coating process is simple, operation is few; (3) powder coating has more excellent sticking power, hardness, shock resistance, wear resisting property and chemical resistance with respect to paint, and coating is not easy destroyed; (4) by formula adjustment, can obtain having any lines, color and glossy top coat, have splendid decorative effect.
Embodiment
The present invention will be described to enumerate a part of specific examples below, is necessary to be pointed out that at this following specific embodiment only is used for that the invention will be further described, does not represent limiting the scope of the invention.Some nonessential modifications that other people make according to the present invention and adjustment still belong to protection scope of the present invention.
Embodiment 1
The component and the weight part proportioning that are used for the pure epoxy type powder coating of special carte application are:
Epoxy equivalent (weight) is 200 parts of the Resins, epoxy of 740g/eq
20 parts of 4,4 ' methylene-biss (PDU)
80 parts of titanium dioxides
20 parts in barium sulfate
2.4 parts of esters of acrylic acid flow agents
1.2 parts of st-yraxes
1.5 parts of defoamers
1.2 parts of growth agents
The preparation method:
(a) take by weighing each component by proportioning, place compounding jar, thorough mixing and fragmentation 5 minutes;
(b) material after the fragmentation enters two or single screw extrusion machine is extruded; The forcing machine heating and temperature control is at 90 ℃;
(c) to be ground into particle diameter (equivalent grain size D50) through compressing tablet, cooling, pulverizer be 50 microns powder to the material after extruding, and screening back packing promptly then.
Embodiment 2
The component and the weight part proportioning that are used for the pure epoxy type powder coating of special carte application are:
Epoxy equivalent (weight) is 150 parts of the Resins, epoxy of 650g/eq
10 parts of 2-ethyl-4-methylimidazoles
80 parts of titanium dioxides
20 parts in lime carbonate
20 parts of mica powders
3 parts of esters of acrylic acid flow agents
1.5 parts of st-yraxes
1.5 parts of defoamers
1.2 parts of growth agents
The preparation method:
(a) take by weighing each component by formula rate, place compounding jar, thorough mixing and fragmentation 8 minutes;
(b) material after the fragmentation enters two or single screw extrusion machine is extruded; The forcing machine heating and temperature control is at 85 ℃;
(c) to be ground into particle diameter (equivalent grain size D50) through compressing tablet, cooling, pulverizer be 60 microns powder to the material after extruding, and screening back packing promptly then.
Embodiment 3
The component and the weight part proportioning that are used for the pure epoxy type powder coating of special carte application are:
Epoxy equivalent (weight) is 200 parts of the Resins, epoxy of 1000g/eq
30 parts of the two Dimethylureas of 4-toluene
70 parts of titanium dioxides
30 parts of silicon powders
3 parts of esters of acrylic acid flow agents
1.5 parts of st-yraxes
2.5 parts of defoamers
1.5 parts of growth agents
The preparation method:
(a) take by weighing each component by formula rate, place compounding jar, thorough mixing and fragmentation 5 minutes;
(b) material after the fragmentation enters two or single screw extrusion machine is extruded; The forcing machine heating and temperature control is at 90 ℃;
(c) to be ground into particle diameter (equivalent grain size D50) through compressing tablet, cooling, pulverizer be 50 microns powder to the material after extruding, and screening back packing promptly then.
The coating process of the pure epoxy type powder coating that is used for the special carte application that the embodiment of the invention provides is: be coated on the special carte base material with high pressure static electricity method or fluidized bed process, solidification value is 120～140 ℃, be 5～20 minutes set time, can adopt baking box or infrared being cured.
The powder coating that uses the embodiment of the invention to provide, the coating after spraying is solidified has following characteristic properties:
| Test item | Inspecting standard or method | Detected result |
| Gloss | ??/ | ??0～100(60) |
| Sticking power | ??ISO2409?GB?/T9286-1998 | 0 grade |
| Pencil hardness | ??ASTMD3363??GB/T6739-1996 | ??≥H |
| Shock resistance | ??ISO6272?GB/T1732-1993 | 50Kgcm, the front is passed through |
| Pliability test | ??ISO1519?GB/T6742-1986 | ??2mm |
| Salt-fog test | ??ISO7253?GB/T1771-1991 | 〉=500 hours (not having the nothing of foaming comes off) |
| Humid heat test | ??ISO6270?GB/T1740-1979 | 〉=1000 hours (not having the nothing of foaming comes off) |
Claims (9)
1. a pure epoxy type powder coating that is used for the special carte application is characterized in that, comprises following components in weight portions:
100～200 parts of Resins, epoxy
1～50 part of epoxy hardener
0～200 part of mineral filler
0～10 part of auxiliary agent.
2. the pure epoxy type powder coating that is used for the special carte application according to claim 1 is characterized in that the epoxy equivalent (weight) of described Resins, epoxy is 400～4000g/eq.
3. the pure epoxy type powder coating that is used for the special carte application according to claim 1 is characterized in that, described epoxy hardener is imidazoles and derivatives class solidifying agent, the organic ureas solidifying agent of modification or phenolic solidifying agent.
4. the pure epoxy type powder coating that is used for the special carte application according to claim 1 is characterized in that, described mineral filler is one or more a mixture of titanium dioxide, barium sulfate, silicon powder, lime carbonate and mica powder.
5. the pure epoxy type powder coating that is used for the special carte application according to claim 1 is characterized in that, described auxiliary agent is one or more the mixture in flow agent, st-yrax, defoamer and the growth agent.
6. the described preparation method who is used for the pure epoxy type powder coating of special carte application of claim 1 is characterized in that, may further comprise the steps:
(a) take by weighing Resins, epoxy, epoxy hardener, mineral filler and auxiliary agent by proportioning, place compounding jar, thorough mixing is also broken;
(b) material after the fragmentation enters in the forcing machine and extrudes;
(c) material after extruding is packed promptly after compressing tablet, cooling, pulverizing, screening.
7. the preparation method who is used for the pure epoxy type powder coating of special carte application according to claim 6 is characterized in that, each component mixing and broken time are 1～30 minute in the described step (a).
8. the preparation method who is used for the pure epoxy type powder coating of special carte application according to claim 6 is characterized in that the extrusion temperature in the described step (b) is 60～100 ℃.
9. the preparation method who is used for the pure epoxy type powder coating of special carte application according to claim 6 is characterized in that, the diameter of particle of the extrudate in the described step (c) after pulverizer is pulverized and sieved is 1～100 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910214238A CN101709195A (en) | 2009-12-25 | 2009-12-25 | Pure epoxy powder coating for coating bakelite board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910214238A CN101709195A (en) | 2009-12-25 | 2009-12-25 | Pure epoxy powder coating for coating bakelite board and preparation method thereof |
Publications (1)
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| CN101709195A true CN101709195A (en) | 2010-05-19 |
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| CN200910214238A Pending CN101709195A (en) | 2009-12-25 | 2009-12-25 | Pure epoxy powder coating for coating bakelite board and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289527A (en) * | 2013-05-31 | 2013-09-11 | 安徽国电能源设备工程有限公司 | Powder coating with high impact resistance |
| CN103483978A (en) * | 2013-09-03 | 2014-01-01 | 安徽精一机械设备有限公司 | Sand ripple-shaped powder coating |
| CN103497627A (en) * | 2013-09-03 | 2014-01-08 | 蚌埠德美过滤技术有限公司 | Thermo-set hammer-tone art powdery paint |
| CN103540220A (en) * | 2013-09-26 | 2014-01-29 | 上海海隆石油化工研究所 | Wear-resistant epoxy powder coating for pipeline |
| CN103788822A (en) * | 2014-01-20 | 2014-05-14 | 老虎粉末涂料制造（太仓）有限公司 | Powder coating for banding edge of heat sensitive substrate as well as edge banding coating and preparation method thereof |
| CN103917572A (en) * | 2011-11-15 | 2014-07-09 | 澳泽化学股份公司 | Use of N,N'-(dimethyl) urons and method for curing epoxy resin compositions |
| US9403976B2 (en) | 2010-05-18 | 2016-08-02 | Alzchem Ag | Semicarbazones as accelerators for curing epoxy resins |
| US9499684B2 (en) | 2011-11-15 | 2016-11-22 | Alzchem Ag | Alkyl or dialkyl-semicarbazone as a hardener for epoxy resin |
| CN106366862A (en) * | 2016-11-07 | 2017-02-01 | 付强 | Curing-free electrostatic powder coating and preparation method thereof |
| CN108003745A (en) * | 2017-12-01 | 2018-05-08 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN108192466A (en) * | 2017-12-31 | 2018-06-22 | 江苏万源新材料股份有限公司 | A kind of freeze proof coating for being used for refrigerator, refrigerator-freezer |
| CN109232866A (en) * | 2018-08-17 | 2019-01-18 | 广州擎天材料科技有限公司 | A kind of polyester resin and the preparation method and application thereof |
| CN110041803A (en) * | 2019-04-11 | 2019-07-23 | 益帆涂料(无锡)有限公司 | A kind of bakelite part coating and its spraying method outside |
| CN113321988A (en) * | 2021-07-14 | 2021-08-31 | 悦诚(扬州)新材料有限公司 | Epoxy powder coating for pipeline corrosion prevention and spraying process of pipeline corrosion prevention coating |
| CN114854275A (en) * | 2021-02-03 | 2022-08-05 | 中山市董泽粉末涂料有限公司 | Low-light thermal-curing powder coating coated on bakelite substrate and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082578A (en) * | 1992-07-10 | 1994-02-23 | 苏马吕株式会社 | Epoxy resin powder coating composition |
| CN1198767A (en) * | 1995-08-28 | 1998-11-11 | Ppg工业公司 | Power coating and its use for the internal coating packing contaiers |
| CN100999642A (en) * | 2006-12-31 | 2007-07-18 | 宁波市鄞州东海粉末涂料有限公司 | Thermo-sensitive epoxy resin powder paint |
| WO2009092773A1 (en) * | 2008-01-25 | 2009-07-30 | Akzo Nobel Coatings International B.V. | Powder coating compositions having a substantially non-zinc containing primer |
-
2009
- 2009-12-25 CN CN200910214238A patent/CN101709195A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082578A (en) * | 1992-07-10 | 1994-02-23 | 苏马吕株式会社 | Epoxy resin powder coating composition |
| CN1198767A (en) * | 1995-08-28 | 1998-11-11 | Ppg工业公司 | Power coating and its use for the internal coating packing contaiers |
| CN100999642A (en) * | 2006-12-31 | 2007-07-18 | 宁波市鄞州东海粉末涂料有限公司 | Thermo-sensitive epoxy resin powder paint |
| WO2009092773A1 (en) * | 2008-01-25 | 2009-07-30 | Akzo Nobel Coatings International B.V. | Powder coating compositions having a substantially non-zinc containing primer |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9403976B2 (en) | 2010-05-18 | 2016-08-02 | Alzchem Ag | Semicarbazones as accelerators for curing epoxy resins |
| US9499684B2 (en) | 2011-11-15 | 2016-11-22 | Alzchem Ag | Alkyl or dialkyl-semicarbazone as a hardener for epoxy resin |
| CN103917572A (en) * | 2011-11-15 | 2014-07-09 | 澳泽化学股份公司 | Use of N,N'-(dimethyl) urons and method for curing epoxy resin compositions |
| CN103289527A (en) * | 2013-05-31 | 2013-09-11 | 安徽国电能源设备工程有限公司 | Powder coating with high impact resistance |
| CN103289527B (en) * | 2013-05-31 | 2016-04-20 | 安徽国电能源设备工程有限公司 | A kind of powder coating of high impact-resistant |
| CN103483978A (en) * | 2013-09-03 | 2014-01-01 | 安徽精一机械设备有限公司 | Sand ripple-shaped powder coating |
| CN103497627A (en) * | 2013-09-03 | 2014-01-08 | 蚌埠德美过滤技术有限公司 | Thermo-set hammer-tone art powdery paint |
| CN103540220A (en) * | 2013-09-26 | 2014-01-29 | 上海海隆石油化工研究所 | Wear-resistant epoxy powder coating for pipeline |
| CN103788822A (en) * | 2014-01-20 | 2014-05-14 | 老虎粉末涂料制造（太仓）有限公司 | Powder coating for banding edge of heat sensitive substrate as well as edge banding coating and preparation method thereof |
| CN106366862A (en) * | 2016-11-07 | 2017-02-01 | 付强 | Curing-free electrostatic powder coating and preparation method thereof |
| CN108003745A (en) * | 2017-12-01 | 2018-05-08 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN108192466A (en) * | 2017-12-31 | 2018-06-22 | 江苏万源新材料股份有限公司 | A kind of freeze proof coating for being used for refrigerator, refrigerator-freezer |
| CN109232866A (en) * | 2018-08-17 | 2019-01-18 | 广州擎天材料科技有限公司 | A kind of polyester resin and the preparation method and application thereof |
| CN110041803A (en) * | 2019-04-11 | 2019-07-23 | 益帆涂料(无锡)有限公司 | A kind of bakelite part coating and its spraying method outside |
| CN114854275A (en) * | 2021-02-03 | 2022-08-05 | 中山市董泽粉末涂料有限公司 | Low-light thermal-curing powder coating coated on bakelite substrate and preparation method thereof |
| CN113321988A (en) * | 2021-07-14 | 2021-08-31 | 悦诚(扬州)新材料有限公司 | Epoxy powder coating for pipeline corrosion prevention and spraying process of pipeline corrosion prevention coating |
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Application publication date: 20100519 |