CN104371472A - Weather-resistant paint and preparation method thereof - Google Patents
Weather-resistant paint and preparation method thereof Download PDFInfo
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- CN104371472A CN104371472A CN201410718649.7A CN201410718649A CN104371472A CN 104371472 A CN104371472 A CN 104371472A CN 201410718649 A CN201410718649 A CN 201410718649A CN 104371472 A CN104371472 A CN 104371472A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses weather-resistant paint and a preparation method thereof. The weather-resistant paint is composed of, by weight, 20 parts of epoxy modified hydroxy acrylic resin, 20 parts of thermoplastic acrylic resin with weight-average molecular weight of 80000-85000, 20 parts of organic silicon modified acrylic resin, 10 parts of melamine resin, 7 parts of phenyl trichorosilane, 3 parts of vinyl trimethoxy silane, 10 parts of nano corundum powder, 7 parts of titanium dioxide, 5 parts of talcum powder, 0.5 part of defoamer, 0.5 part of flatting agent, 0.5 part of dispersant, 20 parts of ethylene glycol butyl ether and 15 parts of propylene glycol methyl ether acetate, wherein number-average molecular weight of the epoxy modified hydroxy acrylic resin is 10000-15000. Overall weatherability of a paint film is improved, and service life of the paint film is prolonged effectively.
Description
Technical field
The present invention relates to a kind of preparation method of weatherability coating.
Background technology
Along with the fast development of modern industry, more and more higher to the requirement of outdoor equipment paint film, require paint film nondiscoloration in the presence of a harsh environment, do not come off, still can keep good physical and mechanical properties and antiseptic property.
A lot of to the report of weatherability coating at present, and existing weatherability coating all can reach service requirements at common outdoor environment substantially, but all there are some shortcomings.If paint film is by easily ftractureing after uviolizing certain hour, paint film adhesion is poor, is exposed to outdoor for a long time, and cold-hot is alternately, the performance such as anticorrosive is still not ideal enough, cause the overall weathering resistance of paint film and work-ing life limited.
Summary of the invention
The present invention proposes a kind of weather-resistant coating, solves conventional weather-resistant coating paint film base material poor adhesive force in prior art, paint film cold-hot is alternately poor, the problem of corrosion-resistant under easy be full of cracks, high temperature.
Technical scheme of the present invention adopts following method to realize:
A kind of preparation method of weatherability coating, described coating comprises the component of following parts by weight: epoxy modified hydroxyl acrylic resin 20 parts, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of 80000-85000, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, phenyl-trichloro-silicane 7 parts, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, dispersion agent 0.5 part, ethylene glycol monobutyl ether 20 parts; 1-Methoxy-2-propyl acetate 15 parts; The number-average molecular weight of wherein epoxide modified Hydroxylated acrylic resin is 10000-15000.The preparation method of described coating comprises the steps:
A) epoxy modified hydroxyl acrylic resin 20 parts is taken respectively, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of 80000-85000, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, add successively in stirred pot, then add ethylene glycol monobutyl ether 20 parts, 1-Methoxy-2-propyl acetate 15 parts, dispersion agent 0.3 part, fully stirs 30 minutes;
B) phenyl-trichloro-silicane 7 parts is got, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, add successively in the mixture of step a), stir 10 minutes, then add remaining dispersion agent 0.2 part again, fully stir 30 minutes, obtain coating products, described high temperature resistant 150 DEG C of coating energy.
Stir speed (S.S.) in described step a) is 400 revs/min, and whipping temp is 25 DEG C.
In described step b), stir speed (S.S.) is 500 revs/min, and whipping temp is 25 DEG C.
The weight-average molecular weight of described thermoplastic acrylic resin is 80000-83000.
The number-average molecular weight of described epoxide modified Hydroxylated acrylic resin is 10000-12000.
Beneficial effect of the present invention:
Thermoplastic acrylic resin can improve the performance such as weathering resistance, Bao Sebao light, erosion resistance, mechanicalness of binding agent, but traditional thermoplastic acrylic paint quick-drying, its antiseptic property and sticking power are still not ideal enough.Epoxy resin is because of the not aliphatic hydroxide radical of facile hydrolysis and ehter bond containing polarity is high, film forming postadhesion power is strong, in conjunction with advantages such as the uvioresistant of Hydroxylated acrylic resin, ageing-resistant, Bao Sebao light, the epoxy modified hydroxyl acrylic resin of formation can effectively improve the ageing-resistant of coating and tack.In addition, organosilicon modified crylic acid resin is by being incorporated on acrylate molecule chain by organo-siloxane, improves both consistencies, uses it for sticking power, shock-resistance, snappiness and the scratch resistance that can improve coating in coating.
The present invention is by epoxy modified hydroxyl acrylic resin and thermoplastic acrylic resin and organosilicon modified crylic acid resin conbined usage, by rational proportioning and mixing, make to produce synergy between each component, overcome deficiency when being used alone separately, the paint film formed has the excellent performance such as high temperature resistant, anticorrosive, high tack, mechanicalness, not only increase the weathering resistance of paint film entirety, and effectively extend the work-ing life of paint film.
Embodiment
For understanding the present invention better; below by 1 embodiment and 2 comparative examples, elaboration concrete is further done to the present invention; but unintelligible is limitation of the invention; for some nonessential improvement and adjustment that those skilled in the art does according to foregoing invention content, be also considered as dropping in protection scope of the present invention.
Embodiment 1
Take epoxy modified hydroxyl acrylic resin 20 parts respectively, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of 80000-85000, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, add successively in stirred pot, then add ethylene glycol monobutyl ether 20 parts, 1-Methoxy-2-propyl acetate 15 parts, dispersion agent 0.3 part, fully stirs 30 minutes; Get phenyl-trichloro-silicane 7 parts, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, adds in the mixture of step a) successively, stir 10 minutes, then add remaining dispersion agent 0.2 part again, fully stir 30 minutes, obtain coating products.
Comparative example 1
Take epoxy modified hydroxyl acrylic resin 20 parts respectively, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of 80000-85000, melamine resin 10 parts, add successively in stirred pot, then ethylene glycol monobutyl ether 20 parts is added, 1-Methoxy-2-propyl acetate 15 parts, dispersion agent 0.3 part, fully stirs 30 minutes; Get phenyl-trichloro-silicane 7 parts, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, adds in the mixture of step a) successively, stir 10 minutes, then add remaining dispersion agent 0.2 part again, fully stir 30 minutes, obtain coating products.
Comparative example 2
Take the thermoplastic acrylic resin 20 parts that weight-average molecular weight is 80000-85000 respectively, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, add successively in stirred pot, then ethylene glycol monobutyl ether 20 parts is added, 1-Methoxy-2-propyl acetate 15 parts, dispersion agent 0.3 part, fully stirs 30 minutes; Get phenyl-trichloro-silicane 7 parts, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, adds in the mixture of step a) successively, stir 10 minutes, then add remaining dispersion agent 0.2 part again, fully stir 30 minutes, obtain coating products.
Weather-resistant coating prepared by embodiment 1 and comparative example 1-2 is coated on steel plate, the oil removing of steel plate coating advance row, rust cleaning, to ensure that surface of steel plate is clean, dry, coating all adopts identical coating processes coating, then at room temperature solidifies the test of laggard line correlation performance.
High thermal resistance is tested: be put into by model in retort furnace, be warmed up to 150 DEG C, places after 10 hours and takes out, cool to room temperature, observe specimen surface situation, as without pull-away, be full of cracks situation, illustrates that paint film resistance toheat is good.
Cold-hot alternation performance test: be put into by model in retort furnace, is warmed up to 150 DEG C, is incubated 10 hours, takes out, and putting into cold water and soak 1 hour, is 1 cycle.In 5 cycles repeatedly, observe paint film change.As but without pull-away, be full of cracks situation, illustrate that paint film cold-hot alternation is functional.
By above testing method, the test-results of embodiment 1 and comparative example 1-2 paint film is as following table:
Claims (5)
1. a preparation method for weatherability coating, is characterized in that described coating comprises the component of following parts by weight:
Epoxy modified hydroxyl acrylic resin 20 parts, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of about 80000-85000, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, phenyl-trichloro-silicane 7 parts, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, dispersion agent 0.5 part, ethylene glycol monobutyl ether 20 parts; 1-Methoxy-2-propyl acetate 15 parts; The number-average molecular weight of wherein epoxide modified Hydroxylated acrylic resin is about 10000-15000;
The preparation method of described coating comprises the steps:
A) epoxy modified hydroxyl acrylic resin 20 parts is taken respectively, weight-average molecular weight is the thermoplastic acrylic resin 20 parts of 80000-85000, organosilicon modified crylic acid resin 20 parts, melamine resin 10 parts, add successively in stirred pot, then add ethylene glycol monobutyl ether 20 parts, 1-Methoxy-2-propyl acetate 15 parts, dispersion agent 0.3 part, fully stirs 30 minutes;
B) phenyl-trichloro-silicane 7 parts is got, vinyltrimethoxy silane 3 parts, nano-corundum powder 10 powder, titanium dioxide 7 parts, talcum powder 5 parts, defoamer 0.5 part, flow agent 0.5 part, add successively in the mixture of step a), stir 10 minutes, then add remaining dispersion agent 0.2 part again, fully stir 30 minutes, obtain coating products, described high temperature resistant 150 DEG C of coating energy.
2. preparation method as claimed in claim 1, it is characterized in that: the stir speed (S.S.) in step a) is 400 revs/min, whipping temp is 25 DEG C.
3. preparation method as claimed in claim 1, it is characterized in that: in step b), stir speed (S.S.) is 500 revs/min, whipping temp is 25 DEG C.
4. preparation method as claimed in claim 1, is characterized in that: the weight-average molecular weight of thermoplastic acrylic resin is 80000-83000.
5. preparation method as claimed in claim 1, is characterized in that: the number-average molecular weight of epoxide modified Hydroxylated acrylic resin is 10000-12000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410718649.7A CN104371472B (en) | 2014-12-03 | 2014-12-03 | A kind of weatherability coating and preparation method thereof |
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| CN201410718649.7A CN104371472B (en) | 2014-12-03 | 2014-12-03 | A kind of weatherability coating and preparation method thereof |
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| CN104371472A true CN104371472A (en) | 2015-02-25 |
| CN104371472B CN104371472B (en) | 2016-01-06 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885597A (en) * | 2016-05-05 | 2016-08-24 | 张小霞 | Anti-freezing anti-corrosive paint for surface of steel structure and preparation method thereof |
| CN106009850A (en) * | 2016-06-22 | 2016-10-12 | 王春莉 | High-weather-resistance paint and preparing method thereof |
| CN106147613A (en) * | 2016-09-07 | 2016-11-23 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of Environment-friendlynon-toxic non-toxic paint |
| CN106634311A (en) * | 2016-12-29 | 2017-05-10 | 宁波墨西科技有限公司 | Modified graphene electromagnetic shielding paint and preparation method thereof |
| CN106867400A (en) * | 2017-03-13 | 2017-06-20 | 罗碧贤 | A kind of shipboard cable paint and preparation method thereof |
| CN108517162A (en) * | 2018-04-16 | 2018-09-11 | 合肥仁德电子科技有限公司 | A kind of communication apparatus weatherability coating and preparation method thereof |
| CN109385167A (en) * | 2018-10-31 | 2019-02-26 | 国网河南省电力公司桐柏县供电公司 | A kind of power equipment outer layer coating |
| CN111471387A (en) * | 2020-04-22 | 2020-07-31 | 中华制漆(新丰）有限公司 | Water-based woodenware coating and using method thereof |
| CN113717637A (en) * | 2021-09-07 | 2021-11-30 | 河南三棵树新材料科技有限公司 | High-temperature-resistant anticorrosive paint and preparation method thereof |
| CN114806299A (en) * | 2022-05-17 | 2022-07-29 | 中山蓝海洋水性涂料有限公司 | High-resistance water-based metal matte baking paint for computer case and preparation method thereof |
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2014
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| CN101220234A (en) * | 2008-01-25 | 2008-07-16 | 江苏怡成屏障科技有限公司 | Anticorrosion paint and method for producing the same |
| CN101781519A (en) * | 2009-12-22 | 2010-07-21 | 北京航材百慕新材料技术工程股份有限公司 | Transparent anti-graffiti dirt-resistant anti-weathering coating |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885597A (en) * | 2016-05-05 | 2016-08-24 | 张小霞 | Anti-freezing anti-corrosive paint for surface of steel structure and preparation method thereof |
| CN106009850A (en) * | 2016-06-22 | 2016-10-12 | 王春莉 | High-weather-resistance paint and preparing method thereof |
| CN106147613A (en) * | 2016-09-07 | 2016-11-23 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of Environment-friendlynon-toxic non-toxic paint |
| CN106634311A (en) * | 2016-12-29 | 2017-05-10 | 宁波墨西科技有限公司 | Modified graphene electromagnetic shielding paint and preparation method thereof |
| CN106867400A (en) * | 2017-03-13 | 2017-06-20 | 罗碧贤 | A kind of shipboard cable paint and preparation method thereof |
| CN108517162A (en) * | 2018-04-16 | 2018-09-11 | 合肥仁德电子科技有限公司 | A kind of communication apparatus weatherability coating and preparation method thereof |
| CN109385167A (en) * | 2018-10-31 | 2019-02-26 | 国网河南省电力公司桐柏县供电公司 | A kind of power equipment outer layer coating |
| CN111471387A (en) * | 2020-04-22 | 2020-07-31 | 中华制漆(新丰）有限公司 | Water-based woodenware coating and using method thereof |
| CN113717637A (en) * | 2021-09-07 | 2021-11-30 | 河南三棵树新材料科技有限公司 | High-temperature-resistant anticorrosive paint and preparation method thereof |
| CN113717637B (en) * | 2021-09-07 | 2022-08-02 | 河南三棵树新材料科技有限公司 | High-temperature-resistant anticorrosive paint and preparation method thereof |
| CN114806299A (en) * | 2022-05-17 | 2022-07-29 | 中山蓝海洋水性涂料有限公司 | High-resistance water-based metal matte baking paint for computer case and preparation method thereof |
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| CN104371472B (en) | 2016-01-06 |
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Effective date of registration: 20151208 Address after: Longwan Waterfront Street Wenzhou city Zhejiang province 325024 Sand Street No. 228 second floor Applicant after: WENZHOU HONGCHENGXIANG TECHNOLOGY CO., LTD. Address before: 325025 No. 689 Pearl Road, Binhai Economic Zone, Wenzhou economic and Technological Development Zone, Zhejiang, Wenzhou Applicant before: Zhang Yibin |
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Effective date of registration: 20170223 Address after: 528303 Guangdong province Foshan city Shunde District Ronggui Mayoka Katsu Jiangdong Road No. 5 Patentee after: Shunde Foshan District, Ronggui Jiang Yu Chemical Hardware Co., Ltd. Address before: Longwan Waterfront Street Wenzhou city Zhejiang province 325024 Sand Street No. 228 second floor Patentee before: WENZHOU HONGCHENGXIANG TECHNOLOGY CO., LTD. |