CN103254740B - A kind of powder coating containing lanthanum trioxide and preparation method thereof - Google Patents
A kind of powder coating containing lanthanum trioxide and preparation method thereof Download PDFInfo
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- CN103254740B CN103254740B CN201310119959.2A CN201310119959A CN103254740B CN 103254740 B CN103254740 B CN 103254740B CN 201310119959 A CN201310119959 A CN 201310119959A CN 103254740 B CN103254740 B CN 103254740B
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Abstract
The invention discloses a kind of powder coating containing lanthanum trioxide and preparation method thereof, the weight part of its constitutive material is: saturated polyester resin 40-50, polybutylene terephthalate 45-50, tetrafluoroethylene 65-70, aluminum oxide 40-50, silica-gel powder 23-28, talcum powder 20-25, lanthanum trioxide 3.5-4.5, activity charcoal powder 9-11, fatty alcohol-polyoxyethylene ether 2.5-3.5 and membrane-forming agent 2.5-3.5; Present invention employs saturated polyester resin, polybutylene terephthalate is main raw material, with the addition of lanthanum trioxide, activity charcoal powder and membrane-forming agent, strengthen the Combination between each raw material, improve the surperficial levelling of powder coating simultaneously, there is high gloss retention, improve the ornamental of powder coating, the product qualified rate prepared is high.
Description
Technical field
The present invention relates to the filter core of purifier, be specifically related to a kind of powder coating containing lanthanum trioxide and preparation method thereof.
Background technology
Along with the sustained, stable growth of China's economy and improving constantly of living standards of the people, the powder coating business of hardware also constantly increases, especially the industry such as instrument, traffic facilities, aluminium section bar, powder coating can to metal carrying for excellent corrosionproof protection and decorate properties, but because the antifouling property of the existing coating for above-mentioned field is undesirable, coating often adheres to all kinds of dust, dirt or even greasy dirt; Anti-stick subsides ability is also undesirable, and the coating that existing powder coating is formed is exposed to the sun out of doors for a long time, easily occur the phenomenons such as foaming, cracking, stripping under the effect of natural conditions such as to drench with rain, and therefore, the mechanical property of coating is also undesirable.
Summary of the invention
The object of the present invention is to provide a kind of powder coating containing lanthanum trioxide and preparation method thereof.
The present invention adopts following technical scheme to achieve these goals:
Powder coating containing lanthanum trioxide, the weight part of its constitutive material is: saturated polyester resin 40-50, polybutylene terephthalate 45-50, tetrafluoroethylene 65-70, aluminum oxide 40-50, silica-gel powder 23-28, talcum powder 20-25, lanthanum trioxide 3.5-4.5, activity charcoal powder 9-11, fatty alcohol-polyoxyethylene ether 2.5-3.5 and membrane-forming agent 2.5-3.5.
Powder coating containing lanthanum trioxide, the weight part of its constitutive material is: saturated polyester resin 45, polybutylene terephthalate 48, tetrafluoroethylene 68, aluminum oxide 45, silica-gel powder 25, talcum powder 22, lanthanum trioxide 4.0, activity charcoal powder 10, fatty alcohol-polyoxyethylene ether 3.0 and membrane-forming agent 3.0.
The preparation method of the powder coating containing lanthanum trioxide, comprises the following steps:
(1) the coated lanthanum trioxide of carbon:
A: lanthanum trioxide is crushed to 150-200 order, then joins in deionized water by the weight part of constitutive material, and lanthanum trioxide and deionized water weight ratio are 1:2.0-5.5, Homogeneous phase mixing;
B: add the glucose accounting for lanthanum trioxide quality 8-12% in gained mixed solution, stir, Homogeneous phase mixing, and then add the molybdenum carbide accounting for glucose quality 1.5-2.8%, stir mixing; Mist projection granulating, obtains the lanthanum oxide powder that organic carbon is coated, spray-dired inlet temperature 170-200 DEG C, temperature out 68-75 DEG C;
C: gained lanthanum oxide powder loads in crucible, vacuumizes, passes into inert atmosphere, be heated to 275-320 DEG C of sintering 3.2-3.8h under keeping inert atmosphere conditions, then cooling obtains the coated lanthanum trioxide of carbon;
(2) preparation of membrane-forming agent:
A: first 15-20 part chloroprene rubber CR322,3.0-4.5 part titania powder, 2.5-3.0 part ethylene glycol diglycidylether, the mixing of 11-13 part E-12 epoxy resin are added in reactor, react 2-3 hour at 80-100 DEG C of temperature;
B: add 13-18 part MALEIC ANHYDRIDE, 1.5-2.5 part 2 in the reactor of step (1), 6 ditertbutylparacresols, 1-2 part vinyltrimethoxy silane, 1.7-2.3 part linking agent TAIC, be uniformly mixed, under 50-80 DEG C of temperature condition, react 3-5 hour, to obtain final product;
(3) each raw material except lanthanum trioxide and membrane-forming agent is taken by the weight part of constitutive material, then the raw material after processing with step (1) and (2) carries out preparing burden and puts into mixing machine mixing, the compound mixed is put into twin screw extruder extrude, after sheet material cooling after extruding, put into crusher for crushing, grind to form 180-220 object powder, packaging warehouse-in, powder curing condition is: solidification value 175-185 DEG C, insulation 20-25 minute.
Advantage of the present invention:
Present invention employs saturated polyester resin, polybutylene terephthalate is main raw material, with the addition of lanthanum trioxide, activity charcoal powder and membrane-forming agent, strengthen the Combination between each raw material, improve the surperficial levelling of powder coating simultaneously, there is high gloss retention, improve the ornamental of powder coating, the product qualified rate prepared is high.
Embodiment
Embodiment 1: the powder coating containing lanthanum trioxide, the weight part (kg) of its constitutive material is: saturated polyester resin 45, polybutylene terephthalate 48, tetrafluoroethylene 68, aluminum oxide 45, silica-gel powder 25, talcum powder 22, lanthanum trioxide 4.0, activity charcoal powder 10, fatty alcohol-polyoxyethylene ether 3.0 and membrane-forming agent 3.0.
The preparation method of the powder coating containing lanthanum trioxide, comprises the following steps:
(1) the coated lanthanum trioxide of carbon:
A: lanthanum trioxide is crushed to 180 orders, then joins in deionized water by the weight part of constitutive material, and lanthanum trioxide and deionized water weight ratio are 1:3.5, Homogeneous phase mixing;
B: add the glucose accounting for lanthanum trioxide quality 10% in gained mixed solution, stir, Homogeneous phase mixing, and then add the molybdenum carbide accounting for glucose quality 2.2%, stir mixing; Mist projection granulating, obtains the lanthanum oxide powder that organic carbon is coated, spray-dired inlet temperature 185 DEG C, temperature out 70 DEG C;
C: gained lanthanum oxide powder loads in crucible, vacuumizes, passes into inert atmosphere, be heated to 290 DEG C of sintering 3.5h under keeping inert atmosphere conditions, then cooling obtains the coated lanthanum trioxide of carbon;
(2) preparation of membrane-forming agent:
A: first 18 parts of chloroprene rubber CR322,3.8 parts of titania powders, 2.8 parts of ethylene glycol diglycidylethers, 12 parts of E-12 epoxy resin mixing are added in reactor, react 2.5 hours at 90 DEG C of temperature;
B: add in the reactor of step (1) 15 parts of MALEIC ANHYDRIDE, 2.0 part 2,6 ditertbutylparacresols, 1.5 parts of vinyltrimethoxy silanes, 2.0 parts of linking agent TAIC, be uniformly mixed, under 65 DEG C of temperature condition react 4 hours, to obtain final product;
(3) each raw material except lanthanum trioxide and membrane-forming agent is taken by the weight part of constitutive material, then the raw material after processing with step (1) and (2) carries out preparing burden and puts into mixing machine mixing, the compound mixed is put into twin screw extruder extrude, after sheet material cooling after extruding, put into crusher for crushing, grind to form 200 object powder, packaging warehouse-in, powder curing condition is: solidification value 180 DEG C, is incubated 22 minutes.
Electrostatic spraying constructional method is adopted to act in the steel tube surface of spray treatment this powder coating, through the abundant solidification of 190 DEG C, naturally cool to room temperature, after placing 24h, measure coating performance, its coating shock strength >=93cm, salt-fog resistant time >=2870h, artificial accelerated aging time >=3000h, resistance toheat >=550, exposure to weather(ing) 11 months is non-foaming, non-corrosive, do not ftracture, do not peel off.
Claims (2)
1. the powder coating containing lanthanum trioxide, is characterized in that the weight part of its constitutive material is: saturated polyester resin 40-50, polybutylene terephthalate 45-50, tetrafluoroethylene 65-70, aluminum oxide 40-50, silica-gel powder 23-28, talcum powder 20-25, lanthanum trioxide 3.5-4.5, activity charcoal powder 9-11, fatty alcohol-polyoxyethylene ether 2.5-3.5 and membrane-forming agent 2.5-3.5;
The preparation method of this powder coating, comprises the following steps:
(1) the coated lanthanum trioxide of carbon:
A: lanthanum trioxide is crushed to 150-200 order, then joins in deionized water by the weight part of constitutive material, and lanthanum trioxide and deionized water weight ratio are 1:2.0-5.5, Homogeneous phase mixing;
B: add the glucose accounting for lanthanum trioxide quality 8-12% in gained mixed solution, stir, Homogeneous phase mixing, and then add the molybdenum carbide accounting for glucose quality 1.5-2.8%, stir mixing; Mist projection granulating, obtains the lanthanum oxide powder that organic carbon is coated, spray-dired inlet temperature 170-200 DEG C, temperature out 68-75 DEG C;
C: gained lanthanum oxide powder loads in crucible, vacuumizes, passes into inert atmosphere, be heated to 275-320 DEG C of sintering 3.2-3.8h under keeping inert atmosphere conditions, then cooling obtains the coated lanthanum trioxide of carbon;
(2) preparation of membrane-forming agent:
A: first 15-20 part chloroprene rubber CR322,3.0-4.5 part titania powder, 2.5-3.0 part ethylene glycol diglycidylether, the mixing of 11-13 part E-12 epoxy resin are added in reactor, react 2-3 hour at 80-100 DEG C of temperature;
B: add 13-18 part MALEIC ANHYDRIDE, 1.5-2.5 part 2 in the reactor of step a, 6 ditertbutylparacresols, 1-2 part vinyltrimethoxy silane, 1.7-2.3 part linking agent TAIC, be uniformly mixed, under 50-80 DEG C of temperature condition, react 3-5 hour, to obtain final product;
(3) each raw material except lanthanum trioxide and membrane-forming agent is taken by the weight part of constitutive material, then the raw material after processing with step (1) and (2) carries out preparing burden and puts into mixing machine mixing, the compound mixed is put into twin screw extruder extrude, after sheet material cooling after extruding, put into crusher for crushing, grind to form 180-220 object powder, packaging warehouse-in, powder curing condition is: solidification value 175-185 DEG C, insulation 20-25 minute.
2. the powder coating containing lanthanum trioxide according to claim 1, is characterized in that the weight part of its constitutive material is: saturated polyester resin 45, polybutylene terephthalate 48, tetrafluoroethylene 68, aluminum oxide 45, silica-gel powder 25, talcum powder 22, lanthanum trioxide 4.0, activity charcoal powder 10, fatty alcohol-polyoxyethylene ether 3.0 and membrane-forming agent 3.0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310119959.2A CN103254740B (en) | 2013-04-09 | 2013-04-09 | A kind of powder coating containing lanthanum trioxide and preparation method thereof |
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| CN201310119959.2A CN103254740B (en) | 2013-04-09 | 2013-04-09 | A kind of powder coating containing lanthanum trioxide and preparation method thereof |
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| CN103254740B true CN103254740B (en) | 2015-11-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105062330B (en) * | 2015-07-22 | 2018-03-27 | 安徽圣德建材科技有限公司 | A kind of high-performance thermosetting polyester type powder paint |
| CN107033687A (en) * | 2016-10-31 | 2017-08-11 | 安徽博泰氟材料科技有限公司 | A kind of oil product tank inside powder-type fluoro coatings |
| CN109167045B (en) * | 2018-09-12 | 2021-07-27 | 肇庆市华师大光电产业研究院 | Method for preparing sulfur-based positive electrode material by applying reticular porous nano lanthanum oxide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786093A (en) * | 2005-11-30 | 2006-06-14 | 北京北航天汇科技孵化器有限公司 | Expansion type fire retarding epoxide resin powder paint suitable for steel structure and its preparation method |
| CN102277055A (en) * | 2011-07-25 | 2011-12-14 | 东来涂料技术（上海）有限公司 | High-solid volume, single-coating and high-lustre black plastic paint and preparation method thereof |
| CN102533085A (en) * | 2011-12-16 | 2012-07-04 | 展辰涂料集团股份有限公司 | Two-component polyurethane coating and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786093A (en) * | 2005-11-30 | 2006-06-14 | 北京北航天汇科技孵化器有限公司 | Expansion type fire retarding epoxide resin powder paint suitable for steel structure and its preparation method |
| CN102277055A (en) * | 2011-07-25 | 2011-12-14 | 东来涂料技术（上海）有限公司 | High-solid volume, single-coating and high-lustre black plastic paint and preparation method thereof |
| CN102533085A (en) * | 2011-12-16 | 2012-07-04 | 展辰涂料集团股份有限公司 | Two-component polyurethane coating and preparation method thereof |
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Inventor after: Huang Lixin Inventor before: Liu Qingfang |
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Effective date of registration: 20170807 Address after: 528000, No. 24, B District, Sanshui science and technology industrial center, Sanshui, Guangdong, Foshan Patentee after: Foshan Sanshui New Ying Kai coating Co., Ltd. Address before: Fan Yang Zhen 241200 Anhui city of Wuhu province Fanchang County Yingchun Road, Xiyuan area 17 Patentee before: Liu Qingfang |