CN102676001A - High-temperature resistant non-discoloring powder paint - Google Patents
High-temperature resistant non-discoloring powder paint Download PDFInfo
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- CN102676001A CN102676001A CN2012101883559A CN201210188355A CN102676001A CN 102676001 A CN102676001 A CN 102676001A CN 2012101883559 A CN2012101883559 A CN 2012101883559A CN 201210188355 A CN201210188355 A CN 201210188355A CN 102676001 A CN102676001 A CN 102676001A
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- temperature resistant
- powder coating
- nondiscoloration
- high temperature
- coating according
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Abstract
The invention relates to a powder paint, in particular to a high-temperature resistant non-discoloring powder paint, which belongs to the technical field of chemical paint processing. The paint comprises resin, high-temperature resistant pigment, padding, anti-yellowing assistant and curing agent, the raw materials are stirred at a high speed and premixed, are extruded in a melting mode by an extruder, and are smashed by a tablet machine, and fragments are ground by a mill, separated by a separator and filtered to obtain a finished product. The production process of the paint is non-toxic and tasteless, and the product has good temperature resistance, excellent physical and mechanical properties, stable chemical property and good construction property, and is low in general cost.
Description
Technical field
The present invention relates to a kind of powder coating, be specifically related to a kind of high temperature resistant nondiscoloration powder coating, belong to the chemistry painting industry processing technique field.
Background technology
Along with people's is to the continuous enhancing of environmental protection and energy saving quality mind, and engineering machinery changes the application of a lot of parts into the use powder coating, and development provides better opportunity to powder coating for this. but engineering machinery structural part kind is too many; Particularly the ground of thin and thick part differs, and causes powder in current engineering machinery traditional paint construction process, to have problems, and environmental pollution is quite serious; The long-term contact of people is to healthy formation harm, and the wasting of resources is more serious, and 50% paint is to have evaporate in the atmosphere in the construction; Not recyclable, the paint application more complicated, the state of the art that requires personnel in the construction is than higher; Quality product is wayward; Because factors such as execution conditions, the over-all properties of paint has satisfied not the product request for utilization, has problems such as color distortion and performance deficiency in the barbecue solidification process.
Summary of the invention
The objective of the invention is for overcoming the weak point of above-mentioned prior art; A kind of high temperature resistant nondiscoloration powder coating is provided; This coating includes resin, high-temperature resisting pigment, filler, anti-yellowing additive, solidifying agent; Above-mentioned raw materials is through the high-speed stirring pre-mixing, melting is extruded through forcing machine, tabletting machine is broken, fragment through grinding machine grind, by separator separates, cross and filter finished product.This coating material production process is nonpoisonous and tasteless, and the product temperature tolerance is good, physical and mechanical properties is excellent, stable chemical performance, comprehensive cost is low, workability is good.
The present invention realizes with following technical scheme: a kind of high temperature resistant nondiscoloration powder coating; It is characterized in that: this formulation for coating material comprises following materials in percentage by mass: resin 55-65%, anti-yellowing additive 0.5-2%, high-temperature resisting pigment 18-30%; Filler 5-15%, solidifying agent 4-5%.
Described resin is pvdf (pudf) or pure polyester.
Described anti-yellowing additive is that bitter almond oil camphor (st-yrax), the moistening promotor of BLC701, W-1 flow promotor, MR-2 increase one or more in hard agent, CERAFLOUR980 scratching resistant, the GLP588 flow agent.
Described solidifying agent is a triglycidyl isocyanurate.
Described high-temperature resisting pigment is mineral dye.
Described filler is a ground barium sulfate.
Described raw material particle size is all less than 20 microns.
Advantage of the present invention is: this powder coating acts on the treated metal base through the electrostatic spraying constructional method, effectively raises storing temperature or prolongs storing time, and color of filming and performance can both satisfy customer requirements.
The instrument of powder coating mensuration coating salient features is following:
Coat-thickness is with German Knicks 4500 thickness testers; Require coating thickness at the 60-80 micron; Color difference meter is surveyed color matching and automatic dropping liquid systems measurement with the strongest computingmachine in brand-new laboratory in Italian CL (this ORINTEX of the former Olympic Tyke) present age; The artificial accelerated aging test appearance is measured by the Q-SUN xenon lamp proofing box that U.S. Q-LAB company produces, and what constant temperature permanent chamber check was adopted is the LH3-series of Shanghai Science and Technology Ltd. of permanent section.
Through above detecting instrument, the detected index of each item as a result all reaches national standard or industry standard is arranged now.Practical application shows, aberration and mechanical property and the workability of this high temperature resistant powder coating on slab spare and sheet member is all than more excellent.
Embodiment
Below in conjunction with embodiment the present invention is done further explain:
Embodiment 1,
Raw material consumption (%)
Pure polyester/solidifying agent 62
Anti-yellowing additive 2
Pigment 902 3.18
Pigment 360 20
Pigment 600 2.29
Pigment 130 0.52
SA31 0.06
Filler 9.95
The high temperature resistant powder coating of processing by above-mentioned prescription; Being sprayed on thickness is on the thick base material of 200 ㎜, and coating thickness is 80 microns, toasts with 200 ° of c temperature; According to the prolongation of storing time, it is following that exemplar that baking is come out and laboratory standard model carry out the colour contrast result:
Toast 10 minutes color △ E≤0.22
Toast 20 minutes color △ E≤0.25
Toast 30 minutes color △ E≤0.28
Toast 1 hour color △ E≤0.35
Toast 24 hours color △ E≤0.50
Other performance: xenon lamp aging time>=1000 hour, fixed temperature and humidity>=1000 hour are tanned by the sun 5 years loss of gloss rate≤5% naturally, and are non-foaming, do not ftracture, non-corrosive, do not peel off.
Embodiment 2,
Raw material consumption (%)
Pvdf/solidifying agent 58
Anti-yellowing additive 1.01
Pigment 360 20
Pigment 902 3.18
Pigment 600 2.29
Pigment 130 0.52
Filler 15
The high temperature resistant powder coating of processing by method described in above-mentioned prescription and the summary of the invention; Being sprayed on thickness is on the thick ground of 200 ㎜; Coating thickness is 80 microns; Toast with 200 ° of c temperature, according to the prolongation of storing time, it is following that exemplar that baking is come out and laboratory standard model carry out the colour contrast result:
Toast 10 minutes color △ E≤0.13
Toast 20 minutes color △ E≤0.20
Toast 30 minutes color △ E≤0.22
Toast 1 hour color △ E≤0.25
Toast 24 hours color △ E≤0.35
Other performance: xenon lamp aging time>=1200 hour, fixed temperature and humidity>=1200 hour are tanned by the sun 5 years loss of gloss rate≤3% naturally, and are non-foaming, do not ftracture, non-corrosive, do not peel off.
Result that this instance draws: the heatproof weathering resistance is better, and workability is more excellent.
Claims (7)
1. high temperature resistant nondiscoloration powder coating, it is characterized in that: this formulation for coating material comprises following materials in percentage by mass: resin 55-65%, anti-yellowing additive 0.5-2%, high-temperature resisting pigment 18-30%, filler 5-15%, solidifying agent 4-5%.
2. a kind of high temperature resistant nondiscoloration powder coating according to claim 1 is characterized in that: described resin is pvdf (pudf) or pure polyester.
3. a kind of high temperature resistant nondiscoloration powder coating according to claim 1 is characterized in that: described
Anti-yellowing additive is that bitter almond oil camphor (st-yrax), the moistening promotor of BLC701, W-1 flow promotor, MR-2 increase one or more in hard agent, CERAFLOUR980 scratching resistant, the GLP588 flow agent.
4. a kind of high temperature resistant nondiscoloration powder coating according to claim 1, it is characterized in that: described solidifying agent is a triglycidyl isocyanurate.
5. a kind of high temperature resistant nondiscoloration powder coating according to claim 1, it is characterized in that: described high-temperature resisting pigment is mineral dye.
6. a kind of high temperature resistant nondiscoloration powder coating according to claim 1, it is characterized in that: described filler is a ground barium sulfate.
7. a kind of high temperature resistant nondiscoloration powder coating according to claim 1, it is characterized in that: described raw material particle size is all less than 20 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101883559A CN102676001A (en) | 2012-06-10 | 2012-06-10 | High-temperature resistant non-discoloring powder paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101883559A CN102676001A (en) | 2012-06-10 | 2012-06-10 | High-temperature resistant non-discoloring powder paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102676001A true CN102676001A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101883559A Pending CN102676001A (en) | 2012-06-10 | 2012-06-10 | High-temperature resistant non-discoloring powder paint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111898A (en) * | 2015-08-06 | 2015-12-02 | 中山科邦化工材料技术有限公司 | Colorful high-temperature resistant powder coating and preparation method therefor |
| CN111205750A (en) * | 2020-02-17 | 2020-05-29 | 安徽华辉塑业科技股份有限公司 | High-temperature-resistant powder coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314696A (en) * | 2008-07-22 | 2008-12-03 | 陈东初 | Nano-SiO2 modified aluminium section bar superior atmospheric corrosion resisting polyester powder paint and preparation method thereof |
| CN101565587A (en) * | 2009-05-25 | 2009-10-28 | 杨彬 | High temperature resistant economical electrostatic powder coating for electric room heater and preparation method thereof |
| CN101928509A (en) * | 2009-06-19 | 2010-12-29 | 扬州市金晨化工有限公司 | Super-weatherable polyether powder coating and preparation method thereof |
-
2012
- 2012-06-10 CN CN2012101883559A patent/CN102676001A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314696A (en) * | 2008-07-22 | 2008-12-03 | 陈东初 | Nano-SiO2 modified aluminium section bar superior atmospheric corrosion resisting polyester powder paint and preparation method thereof |
| CN101565587A (en) * | 2009-05-25 | 2009-10-28 | 杨彬 | High temperature resistant economical electrostatic powder coating for electric room heater and preparation method thereof |
| CN101928509A (en) * | 2009-06-19 | 2010-12-29 | 扬州市金晨化工有限公司 | Super-weatherable polyether powder coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111898A (en) * | 2015-08-06 | 2015-12-02 | 中山科邦化工材料技术有限公司 | Colorful high-temperature resistant powder coating and preparation method therefor |
| CN111205750A (en) * | 2020-02-17 | 2020-05-29 | 安徽华辉塑业科技股份有限公司 | High-temperature-resistant powder coating and preparation method thereof |
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Application publication date: 20120919 |