CN101928509A - Super-weatherable polyether powder coating and preparation method thereof - Google Patents
Super-weatherable polyether powder coating and preparation method thereof Download PDFInfo
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- CN101928509A CN101928509A CN2009100333475A CN200910033347A CN101928509A CN 101928509 A CN101928509 A CN 101928509A CN 2009100333475 A CN2009100333475 A CN 2009100333475A CN 200910033347 A CN200910033347 A CN 200910033347A CN 101928509 A CN101928509 A CN 101928509A
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Abstract
The invention relates to a super- weatherable polyether powder coating, comprising the following components in terms of mass percent: 58.5-62.4% of thermosetting resin hydroxyl-terminated polyester resin, 2.6-6.5% of curing agent, 10-20% of pigment, 10-20% of filler and 2-6% of assistant. The super- weatherable polyether powder coating has excellent performance of resisting ultraviolet, excellent weather resistance and strong adhesion to the primer, does not cause environment pollution and damage the health of the workers during the coating, and effectively improves the coating efficiency.
Description
One, technical field
The present invention relates to a kind of powder coating, especially relate to a kind of polyester powder coating and preparation method thereof.
Two, background technology
Along with developing rapidly of countries in the world industrial production technology, demand to the energy constantly increases, the utilization of the oil of limited resources, coal equal energy source is restricted, and the utilization of the waterpower of unlimited resources and wind-power electricity generation and sun power is subjected to people's favor, more and more is subjected to the attention of countries in the world.China also pays much attention to wind-power electricity generation in the mine locating of strengthening oil and coal in recent years, and northeast and the Northwest development abundant at wind resource are very fast.For safety and the work-ing life that guarantees wind power plant, all to carry out corrosion protection coating and decorative painting at the tower tube (bracing frame) of wind power plant and the skin and the internal layer of air vane, generally inner and bottom are carried out anticorrosive coating, skin carries out the decorative painting of weathering resistance.At present the coating variety to the main application of the tower tube (bracing frame) of wind power plant is the primer painting epoxy zinc rich primer of the internal surface of tower tube, and finish paint is coated with the thick slurry lacquer of epoxy; Tower tube (bracing frame) priming paint outside and air vane is coated with epoxy zinc rich primer, and the middle layer is coated with epoxy-based lacquers, and finish paint is coated with polyurethane coating.
The coating process of well-known solvent based coating can use several different methods, can adopt the method for manual brushing generally fairly simple for the application of large-scale workpiece, yet solvent based coating contains a large amount of organic solvent (many persons are contained 50% solvent), ability film forming after in coating process, must volatilizing fully, so not only to waste these limited organic solvent resources in a large number, and environment caused serious pollution, simultaneously workmen healthy brought certain harm.Therefore all discharge in the atmosphere of strict restriction volatile organic compounds (being VOC) more in the requirement of the use range, particularly industrially developed country of restriction solvent based coating in countries in the world, China proposes strict requirement equally as developing country.These solvent based coatings all are air-dried coatings in addition, each application thickness can not be too thick, a general application thickness is at 20 microns～30 microns, the complete drying of at every turn filming generally needed just can be coated with down more later on together in 24 hours, so thickness that application is nearly 300 microns, needed chronic, productive labor efficient is also very low
Three, summary of the invention
Technical problem to be solved by this invention provides a kind of super-weatherable polyether powder coating, weather resistances such as antiultraviolet are good, with the priming paint strong adhesion, in coating process, can not cause environmental pollution and harm workmen healthy, and can effectively improve coating efficiency.
The present invention wants another technical problem to be solved to provide the manufacture method of above-mentioned super-weatherable polyether powder coating.
For solving the problems of the technologies described above, the super weather-proof powder polyester powder coating of the present invention, be made up of following component and mass percent: the thermoset terminal carboxyl polyester resin accounts for 58.5～62.4%, solidifying agent accounts for 2.6～6.5%, pigment accounts for 10～20%, filler accounts for 10～20%, auxiliary agent accounts for 2～6%.
Described solidifying agent is triglycidyl isocyanurate (being TGIC), hydroxyalkyl amide (for example T105, PRIMID552) or polyepoxy compound (for example PT910).
Add ultraviolet absorbers and antioxidant in the described auxiliary agent.
The requirement that pigment that uses and filler can not only satisfy general used for powder coating pigment and filler also has good weather simultaneously.The auxiliary agent that uses also not only satisfies the requirement of general powder coating used additives, also helps the improvement and the raising of the weathering resistance of filming simultaneously.
Super-weatherable polyether powder coating manufacturing step of the present invention is:
1, by the prescription weighing raw materials;
2, use the high-speed mixer pre-mixing;
3, melt extrude mixing with forcing machine, melting mixing refining temperature is about 120 ℃;
4, compressing tablet cooling and broken;
5, with levigate pulverizing of air classifying and classification;
6, use the vibratory screening apparatus sieving separating.
Four, embodiment
The present invention is further illustrated below in conjunction with embodiment.
Terminal carboxyl polyester resin comprises the different polycarboxylic acids different acid numbers that polycondensation forms with polyvalent alcohol and the terminal carboxyl polyester resin of softening temperature; Solidifying agent can be the triglycidyl isocyanurate (being TGIC) that has epoxy group(ing), polyepoxy compound (PT910) or hydroxyl hydroxyalkyl amide etc. can with the compound of the vibrin cross-linking and curing reaction of end carboxyl; Pigment comprises rutile titanium white, Bao He Chrome Huang, carbon black, phthalocyanine blue, phthalein viridescent; Filler is a process white; Comprise flow agent, dispersion agent, degasifier, fluffy powder, ultraviolet absorbers, antioxidant, promotor in the auxiliary agent.The condition of cure of super-weatherable polyether powder coating of the present invention is 200 ℃/10～15min.
The pigment and the filler that use not only have outside the performance requriements of general used for powder coating pigment and filler, also have good weather simultaneously.The auxiliary agent that uses also satisfies outside the performance requriements of general powder coating used additives, also helps the improvement and the raising of the weathering resistance of filming simultaneously.
The condition of cure of this powder coating is 200 ℃/10min, workpiece is to carry out application after being preheating to about 200 ℃, general first painting anticorrosion powder coating priming paint, the super weather-resistant powder paint finish paint of application immediately behind the priming paint fusion levelling, follow priming paint and finish paint baking-curing film forming together, it is that light tangerine line, gloss 85%, shock strength 50cm, bending property 2mm, drawing test 7mm, sticking power (cross-hatching) one-level, pencil hardness H, natural 12 months guarantors of test light rate of being exposed to the sun are more than 80% that film performance reaches outward appearance.
The concrete manufacturing process flow of super-weatherable polyether powder coating of the present invention is: by the material in the prescription weighing prescription-→ with high-speed mixer pre-mixing 3～5min-→ on forcing machine, carry out melting extrude mixings-→ the compressing tablet cooling be broken into thin slice-→ with air classifying grind (being that ACM grinds) pulverize and classification-→ use the vibratory screening apparatus sieving separating.
Embodiment one
The Formulation Example of super-weatherable polyether powder coating of the present invention is: 60.5 parts of terminal carboxyl polyester resins, 4.5 parts of triglycidyl isocyanurates (TGIC), 18 parts of rutile titanium whites, 12 parts of process whites, 2.0 parts of flow agents, 1.0 parts of dispersion agents, 0.5 part of degasifier, 0.02 part of fluffy powder, 0.5 part of ultraviolet absorbers, 0.5 part of antioxidant, 0.2 part of promotor.
Super-weatherable polyether powder coating manufacturing step of the present invention is:
A, by the prescription weighing raw materials;
B, use the high-speed mixer pre-mixing;
C, melt extrude mixing with forcing machine, melting mixing refining temperature is about 120 ℃;
D, compressing tablet cooling and broken;
E, the usefulness levigate pulverizing of air classifying and classification;
F, use the vibratory screening apparatus sieving separating.
Claims (4)
1. super-weatherable polyether powder coating is characterized in that forming and mass percent is respectively: the thermoset terminal carboxyl polyester resin accounts for 58.5～62.4%, solidifying agent accounts for 2.6～6.5%, pigment accounts for 10～20%, filler accounts for 10～20%, auxiliary agent accounts for 2～6%.
2. super-weatherable polyether powder coating according to claim 1 is characterized in that: described solidifying agent is triglycidyl isocyanurate (TGIC), hydroxyalkyl amide (PRIMID552, T105) or polyepoxy compound (PT910).
3. super-weatherable polyether powder coating according to claim 1 is characterized in that: be added with ultraviolet absorbers and antioxidant in the described auxiliary agent.
4. making the described super-weatherable polyether powder coating method steps of claim 1 is:
A, by the prescription weighing raw materials: the thermoset terminal carboxyl polyester resin accounts for 58.5～62.4%, solidifying agent accounts for 2.6～6.5%, pigment accounts for 10～20%, filler accounts for 10～20%, auxiliary agent accounts for 2～6%.B, use the high-speed mixer pre-mixing; C, melt extrude mixing with forcing machine, melting mixing refining temperature is about 120 ℃; D, compressing tablet cooling and broken; E, the usefulness levigate pulverizing of air classifying and classification; F, use the vibratory screening apparatus sieving separating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100333475A CN101928509A (en) | 2009-06-19 | 2009-06-19 | Super-weatherable polyether powder coating and preparation method thereof |
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| CN2009100333475A CN101928509A (en) | 2009-06-19 | 2009-06-19 | Super-weatherable polyether powder coating and preparation method thereof |
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| CN101928509A true CN101928509A (en) | 2010-12-29 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585671A (en) * | 2012-02-21 | 2012-07-18 | 太仓立崴涂装材料有限公司 | Water-boiling-resistant powder coating |
| CN102676001A (en) * | 2012-06-10 | 2012-09-19 | 徐州华日化学工业有限公司 | High-temperature resistant non-discoloring powder paint |
| CN103497651A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Extra-weatherproof polyester resin powder coating |
| CN104403525A (en) * | 2014-12-26 | 2015-03-11 | 任成生 | Polyester resin powder coating |
| CN104530934A (en) * | 2014-12-26 | 2015-04-22 | 任成生 | High-efficiency antibacterial powder paint |
| CN106283677A (en) * | 2016-08-18 | 2017-01-04 | 老虎粉末涂料制造（太仓）有限公司 | Photovoltaic module encapsulating material and the preparation method of this encapsulating material |
| CN106519924A (en) * | 2016-10-28 | 2017-03-22 | 福建万安实业集团有限公司 | Turtle shell appearance imitated type powder paint |
| CN106519923A (en) * | 2016-10-28 | 2017-03-22 | 福建万安实业集团有限公司 | Multi-component polyester powder coating and preparation method thereof |
| CN106947370A (en) * | 2017-03-31 | 2017-07-14 | 吴越 | A kind of formula of imitative silicified wood crystal wood grain powder coating product |
| CN107083161A (en) * | 2017-05-19 | 2017-08-22 | 浙江华彩新材料有限公司 | A kind of special outdoor super levelling powdery paints of weather resistant of aluminium section bar |
| CN108395815A (en) * | 2018-03-29 | 2018-08-14 | 苏州聚康新材料科技有限公司 | A kind of water proof type thermosetting powder coating preparation method and applications |
| CN109593449A (en) * | 2018-12-20 | 2019-04-09 | 重庆七彩虹新材料技术有限公司 | A kind of thermosetting property nano modification powdery paints and preparation method thereof |
| CN111057447A (en) * | 2019-11-18 | 2020-04-24 | 沧州国润翔盛粉末涂料有限公司 | Special weather-resistant high-adhesion powder coating for galvanized pipe fitting and application |
| CN111087907A (en) * | 2019-12-23 | 2020-05-01 | 江阴市玲珑高分子材料有限公司 | Super-weather-resistant thermosetting powder coating |
| CN111633864A (en) * | 2020-06-04 | 2020-09-08 | 安徽美佳新材料股份有限公司 | Processing method of super-weather-resistant communication equipment powder coating |
| CN112375417A (en) * | 2020-11-13 | 2021-02-19 | 湖南太子化工涂料有限公司 | Antistatic modified polyester powder coating and preparation method thereof |
-
2009
- 2009-06-19 CN CN2009100333475A patent/CN101928509A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585671A (en) * | 2012-02-21 | 2012-07-18 | 太仓立崴涂装材料有限公司 | Water-boiling-resistant powder coating |
| CN102676001A (en) * | 2012-06-10 | 2012-09-19 | 徐州华日化学工业有限公司 | High-temperature resistant non-discoloring powder paint |
| CN103497651A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Extra-weatherproof polyester resin powder coating |
| CN104403525A (en) * | 2014-12-26 | 2015-03-11 | 任成生 | Polyester resin powder coating |
| CN104530934A (en) * | 2014-12-26 | 2015-04-22 | 任成生 | High-efficiency antibacterial powder paint |
| CN106283677B (en) * | 2016-08-18 | 2018-11-09 | 老虎表面技术新材料（苏州）有限公司 | The preparation method of photovoltaic module encapsulating material and the encapsulating material |
| CN106283677A (en) * | 2016-08-18 | 2017-01-04 | 老虎粉末涂料制造（太仓）有限公司 | Photovoltaic module encapsulating material and the preparation method of this encapsulating material |
| CN106519924A (en) * | 2016-10-28 | 2017-03-22 | 福建万安实业集团有限公司 | Turtle shell appearance imitated type powder paint |
| CN106519923A (en) * | 2016-10-28 | 2017-03-22 | 福建万安实业集团有限公司 | Multi-component polyester powder coating and preparation method thereof |
| CN106947370A (en) * | 2017-03-31 | 2017-07-14 | 吴越 | A kind of formula of imitative silicified wood crystal wood grain powder coating product |
| CN107083161A (en) * | 2017-05-19 | 2017-08-22 | 浙江华彩新材料有限公司 | A kind of special outdoor super levelling powdery paints of weather resistant of aluminium section bar |
| CN108395815A (en) * | 2018-03-29 | 2018-08-14 | 苏州聚康新材料科技有限公司 | A kind of water proof type thermosetting powder coating preparation method and applications |
| CN109593449A (en) * | 2018-12-20 | 2019-04-09 | 重庆七彩虹新材料技术有限公司 | A kind of thermosetting property nano modification powdery paints and preparation method thereof |
| CN111057447A (en) * | 2019-11-18 | 2020-04-24 | 沧州国润翔盛粉末涂料有限公司 | Special weather-resistant high-adhesion powder coating for galvanized pipe fitting and application |
| CN111087907A (en) * | 2019-12-23 | 2020-05-01 | 江阴市玲珑高分子材料有限公司 | Super-weather-resistant thermosetting powder coating |
| CN111633864A (en) * | 2020-06-04 | 2020-09-08 | 安徽美佳新材料股份有限公司 | Processing method of super-weather-resistant communication equipment powder coating |
| CN112375417A (en) * | 2020-11-13 | 2021-02-19 | 湖南太子化工涂料有限公司 | Antistatic modified polyester powder coating and preparation method thereof |
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Application publication date: 20101229 |