CN102161859A - Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof - Google Patents
Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof Download PDFInfo
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- CN102161859A CN102161859A CN 201110139695 CN201110139695A CN102161859A CN 102161859 A CN102161859 A CN 102161859A CN 201110139695 CN201110139695 CN 201110139695 CN 201110139695 A CN201110139695 A CN 201110139695A CN 102161859 A CN102161859 A CN 102161859A
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Abstract
The invention relates to the technical field of anticorrosion powder paint, in particular to modified epoxy heavy-duty anticorrosion powder paint and a preparation method thereof. The modified epoxy heavy-duty anticorrosion powder paint is prepared from the following raw materials in percentage by weight: 30 to 40 percent of modified novolac epoxy resin, 10 to 20 percent of bisphenol A epoxy resin, 3 to 7 percent of modified crosslinking agent, 30.5 to 50 percent of filler and dye mixture, 0.5 to 2 percent of catalyst and 2 to 5 percent of assistant. The modified epoxy heavy-duty anticorrosion powder paint is used for preventing corrosion of oil and natural gas pipelines and urban underground sewage pipe networks. And the application range of the modified epoxy heavy-duty anticorrosion powder paint can be further expanded into anticorrosion painting of building steel bars and steel wireropes. The modified epoxy heavy-duty anticorrosion powder paint has high mechanical performance and chemical corrosion resistance and also has a characteristic of quick curing. The modified epoxy heavy-duty anticorrosion powder paint helps to reduce production cost and save energy and is easy to promote and use.
Description
Technical field
The present invention relates to a kind of technical field of anti-corrosive powder paint, especially a kind of modified epoxy double antiseptic powder coating and preparation method thereof.
Background technology
Powder coating is widely used in the external coating of various metalworks with the high-performance of its environmental protection, economy, and common anti-corrosive powder paint Corrosion Protection is poor, has increased production cost, wastes energy.
Summary of the invention
The deficiency that original powder coating Corrosion Protection is poor in order to overcome, production cost high and waste energy the invention provides a kind of modified epoxy double antiseptic powder coating and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of modified epoxy double antiseptic powder coating, it is formulated by modified epoxy, Resins, epoxy, modified crosslinking agent, catalyzer, wetting agent, pigment, filler and auxiliary agent, and its prescription is as follows by weight percentage: modified phenolic Resins, epoxy 30% ~ 40%, bisphenol-A epoxy 10% ~ 20%, modified crosslinking agent 3% ~ 7%, filler and pigment composition 30.5% ~ 50%, catalyzer 0.5% ~ 2% and auxiliary agent 2% ~ 5%.
According to another embodiment of the invention, comprise that further the concrete proportioning of this powder coating prescription is as follows by weight percentage: modified phenolic Resins, epoxy 35%, bisphenol-A epoxy 15%, modified crosslinking agent 6%, filler and pigment composition 41%, catalyzer 0.75% and auxiliary agent 2.25%.
According to another embodiment of the invention, further comprise bisphenol A epoxide resin or the modified phenolic Resins, epoxy that described modified phenolic Resins, epoxy is middle molecular weight.
According to another embodiment of the invention, the blending ratio that further comprises bisphenol-A epoxy and phenol modification formaldehyde epoxy resin is 80/20-20/80.
A kind of preparation method of modified epoxy double antiseptic powder coating, this method may further comprise the steps:
A) 30% ~ 40% modified phenolic Resins, epoxy, 10% ~ 20% bisphenol-A epoxy, 3% ~ 7% modified crosslinking agent, 0.5% ~ 2% catalyzer, 30.5% ~ 50% filler and the auxiliary agent of pigment composition and 2% ~ 5% are dropped into high-speed mixing jar thorough mixing;
B) material that steps A is mixed melt extrudes compressing tablet, and when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district;
C) with the material cooling back coarse reduction that obtains among the step B,,, promptly make finished product through the thin grinding and sieving of 180 eye mesh screens with ACM barreling mill.
The invention has the beneficial effects as follows: this modified epoxy double antiseptic powder coating is applied to the anticorrosion of the anticorrosion of oil and gas pipeline and the underground sewage network in city, and can further expand the anticorrosive coating of building iron, wirerope to, have excellent mechanical property and chemical resistance, have quick-setting characteristics simultaneously, reduced production cost, saved the energy, be easy to apply.
Embodiment
This modified epoxy double antiseptic powder coating is formulated by modified epoxy, Resins, epoxy, modified crosslinking agent, catalyzer, wetting agent, pigment, filler and auxiliary agent, and its prescription is as follows by weight percentage:
Modified phenolic Resins, epoxy 30% ~ 40%;
Bisphenol-A epoxy 10% ~ 20%;
Modified crosslinking agent 3% ~ 7%;
Catalyzer 0.5% ~ 2%;
Auxiliary agent 2% ~ 5%;
Filler and pigment composition 30.5% ~ 50%.
The concrete proportioning of this modified epoxy double antiseptic powder coating prescription is as follows by weight percentage:
Modified phenolic Resins, epoxy 35%;
Bisphenol-A epoxy 15%;
Modified crosslinking agent 6%;
Catalyzer 0.75%;
Auxiliary agent 2.25%;
Filler and pigment composition 41%.
Bisphenol-A epoxy that described modified phenolic Resins, epoxy is middle molecular weight or modified phenolic Resins, epoxy, the blending ratio of bisphenol-A epoxy and phenol modification formaldehyde epoxy resin is 80/20-20/80.
Condition of cure of the present invention: 200 ℃/20min.
This modified epoxy double antiseptic powder coating is sprayed at the metal works surface, is that 200 ℃, time are baking-curing under the condition of 20min in temperature.
A kind of preparation method of modified epoxy double antiseptic powder coating, this method may further comprise the steps:
A) 35% modified phenolic Resins, epoxy, 15% bisphenol-A epoxy, 6% modified crosslinking agent, 0.75% catalyzer, 41% filler and the auxiliary agent of pigment composition and 2.25% are dropped into high-speed mixing jar thorough mixing;
B) material that steps A is mixed melt extrudes compressing tablet, and when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district;
C) with the material cooling back coarse reduction that obtains among the step B,,, promptly make finished product through the thin grinding and sieving of 180 eye mesh screens with ACM barreling mill.
Further specify component of the present invention and content below by embodiment:
Embodiment 1
Prepare raw material, in 100 weight parts, modified phenolic Resins, epoxy: 35; Bisphenol-A epoxy: 15; Modified crosslinking agent: 6; Catalyzer: 0.75; Auxiliary agent: 2.25; Filler and pigment composition: 41, drop into high-speed mixing jar thorough mixing, melt extrude compressing tablet, when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district, cooling back coarse reduction is with ACM barreling mill, through the thin grinding and sieving of 180 eye mesh screens, promptly make finished product, be sprayed at the metal works surface, film forming under the baking condition of 200 ℃/20min has the intensive anti-corrosion function.
Embodiment 2
Prepare raw material, in 100 weight parts, modified phenolic Resins, epoxy: 30; Bisphenol-A epoxy: 10; Modified crosslinking agent: 3; Catalyzer: 2; Auxiliary agent: 5; Filler and pigment composition: 50, drop into high-speed mixing jar thorough mixing, melt extrude compressing tablet, when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district, cooling back coarse reduction is with ACM barreling mill, through the thin grinding and sieving of 180 eye mesh screens, promptly make finished product, be sprayed at the metal works surface, film forming under the baking condition of 200 ℃/20min has the intensive anti-corrosion function.
Embodiment 3
Prepare raw material, in 100 weight parts, modified phenolic Resins, epoxy: 40; Bisphenol-A epoxy: 20; Modified crosslinking agent: 7; Catalyzer: 0.5; Auxiliary agent: 2; Filler and pigment composition: 30.5, drop into high-speed mixing jar thorough mixing, melt extrude compressing tablet, when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district, cooling back coarse reduction is with ACM barreling mill, through the thin grinding and sieving of 180 eye mesh screens, promptly make finished product, be sprayed at the metal works surface, film forming under the baking condition of 200 ℃/20min has the intensive anti-corrosion function.
This modified epoxy double antiseptic powder coating is applied to the anticorrosion of the anticorrosion of oil and gas pipeline and the underground sewage network in city, and can further expand the anticorrosive coating of building iron, wirerope to, have excellent mechanical property and chemical resistance, have quick-setting characteristics simultaneously, reduced production cost, saved the energy, be easy to apply.
Claims (5)
1. modified epoxy double antiseptic powder coating, it is characterized in that: it is formulated by modified epoxy, Resins, epoxy, modified crosslinking agent, catalyzer, wetting agent, pigment, filler and auxiliary agent, and its prescription is as follows by weight percentage: modified phenolic Resins, epoxy 30% ~ 40%, bisphenol-A epoxy 10% ~ 20%, modified crosslinking agent 3% ~ 7%, filler and pigment composition 30.5% ~ 50%, catalyzer 0.5% ~ 2% and auxiliary agent 2% ~ 5%.
2. modified epoxy double antiseptic powder coating according to claim 1 is characterized in that: the concrete proportioning of this powder coating prescription is as follows by weight percentage: modified phenolic Resins, epoxy 35%, bisphenol-A epoxy 15%, modified crosslinking agent 6%, filler and pigment composition 41%, catalyzer 0.75% and auxiliary agent 2.25%.
3. modified epoxy double antiseptic powder coating according to claim 1 is characterized in that: bisphenol A epoxide resin that described modified phenolic Resins, epoxy is middle molecular weight or modified phenolic Resins, epoxy.
4. modified epoxy double antiseptic powder coating according to claim 1 is characterized in that: the blending ratio of bisphenol-A epoxy and phenol modification formaldehyde epoxy resin is 80/20-20/80.
5. the preparation method of a modified epoxy double antiseptic powder coating, it is characterized in that: this method may further comprise the steps:
A) 30% ~ 40% modified phenolic Resins, epoxy, 10% ~ 20% bisphenol-A epoxy, 3% ~ 7% modified crosslinking agent, 0.5% ~ 2% catalyzer, 30.5% ~ 50% filler and the auxiliary agent of pigment composition and 2% ~ 5% are dropped into high-speed mixing jar thorough mixing;
B) material that steps A is mixed melt extrudes compressing tablet, and when melt extruding, extruder temperature is controlled at 115 ℃ in 105 ℃ in I district and II district;
C) with the material cooling back coarse reduction that obtains among the step B,,, promptly make finished product through the thin grinding and sieving of 180 eye mesh screens with ACM barreling mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110139695 CN102161859A (en) | 2011-05-27 | 2011-05-27 | Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110139695 CN102161859A (en) | 2011-05-27 | 2011-05-27 | Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof |
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| CN102161859A true CN102161859A (en) | 2011-08-24 |
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| CN 201110139695 Pending CN102161859A (en) | 2011-05-27 | 2011-05-27 | Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555151A (en) * | 2013-10-28 | 2014-02-05 | 安徽明都电气有限公司 | Temperature-resistant corrosion-preventing mixed resin powder coating |
| CN103601869A (en) * | 2013-09-30 | 2014-02-26 | 中国船舶重工集团公司第七二五研究所 | Epoxyl azido epoxy resin and synthetic technology thereof |
| CN105385292A (en) * | 2015-12-28 | 2016-03-09 | 江苏长源油气管件防腐有限公司 | Petroleum-drill-rod inner coating |
| CN106010089A (en) * | 2016-05-24 | 2016-10-12 | 怀远县金浩电子科技有限公司 | Anti-corrosion coating layer of electric vehicle battery conductor and preparation method of anti-corrosion coating layer |
| CN106280881A (en) * | 2016-08-15 | 2017-01-04 | 湖南开磷雁峰塔涂料有限公司 | A kind of anticorrosive paint and preparation method thereof |
Citations (2)
| 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 |
| CN1733853A (en) * | 2005-06-01 | 2006-02-15 | 兰州理工大学 | FBE pnenolic aldehyde modified epoxy powder coating and its preparation method |
-
2011
- 2011-05-27 CN CN 201110139695 patent/CN102161859A/en active Pending
Patent Citations (2)
| 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 |
| CN1733853A (en) * | 2005-06-01 | 2006-02-15 | 兰州理工大学 | FBE pnenolic aldehyde modified epoxy powder coating and its preparation method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601869A (en) * | 2013-09-30 | 2014-02-26 | 中国船舶重工集团公司第七二五研究所 | Epoxyl azido epoxy resin and synthetic technology thereof |
| CN103601869B (en) * | 2013-09-30 | 2016-03-09 | 中国船舶重工集团公司第七二五研究所 | A kind of epoxy group(ing) azide epoxy resin and synthesis technique thereof |
| CN103555151A (en) * | 2013-10-28 | 2014-02-05 | 安徽明都电气有限公司 | Temperature-resistant corrosion-preventing mixed resin powder coating |
| CN105385292A (en) * | 2015-12-28 | 2016-03-09 | 江苏长源油气管件防腐有限公司 | Petroleum-drill-rod inner coating |
| CN106010089A (en) * | 2016-05-24 | 2016-10-12 | 怀远县金浩电子科技有限公司 | Anti-corrosion coating layer of electric vehicle battery conductor and preparation method of anti-corrosion coating layer |
| CN106280881A (en) * | 2016-08-15 | 2017-01-04 | 湖南开磷雁峰塔涂料有限公司 | A kind of anticorrosive paint and preparation method thereof |
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Application publication date: 20110824 |