CN102977760A - Thick film type polyurethane finish paint - Google Patents
Thick film type polyurethane finish paint Download PDFInfo
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- CN102977760A CN102977760A CN2012104656877A CN201210465687A CN102977760A CN 102977760 A CN102977760 A CN 102977760A CN 2012104656877 A CN2012104656877 A CN 2012104656877A CN 201210465687 A CN201210465687 A CN 201210465687A CN 102977760 A CN102977760 A CN 102977760A
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Abstract
The invention discloses thick film type polyurethane finish paint, belongs to the technical field of novel materials, and relates to the field of heavy corrosion protection engineering. The materials of the thick film type polyurethane finish paint include alkyd resins, hydroxyl acrylic resins, aliphatic series polyisocyanate, titanium dioxide, antifoaming agents, dispersing agents, flatting agents, rheological additives, organobentonite, and diluents, wherein the content of the aliphatic series polyisocyanate, titanium dioxide is 25%-30% the total weight of the alkyd resins and the hydroxyl acrylic resins. The thick film type polyurethane finish paint has the advantages that in spraying, the range of a dry film is 50-60 micrometers, traditional 3-4 coating procedures are simplified to be 2-3 coating procedures, a coating system is simplified, construction time is shortened, the coating speed is accelerated, and meanwhile the manufacture efficiency of steel structure is improved; and due to the fact that solvent content in the paint is little, pollution to the environment is reduced.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of thick-film type polyurethane finish.
Background technology
Contain in the filming polymer structure some amount the carbamate chain link (coating NH-CO-O-) is referred to as its normally isocyanate group and hydroxy-containing compounds reaction and getting of polyurethane coating, and reaction formula is as follows:
R-N=C=O+R′-OH→R-NH-CO-OR′
Except containing amino-formate bond, also contain many ester bonds or unsaturated double-bond, tricarbimide ester bond, urea key, allophanic acid ester bond, ehter bond etc. in the polyurethane coating film.
Therefore, this coating property is abundant, excellent:
1. have a large amount of hydrogen bonds in the paint film, therefore, paint film is firm, wear-resisting, bright, plentiful, sticking power is good.
2. by regulating section chain length, distribution and cross-linking density, obtain filming of required mechanical property, have from the hard extremely soft elasticity of filming and film, to adapt to the needs of varying environment.
3. excellent, acidproof, the water resistance of antiseptic property is better than epoxy coating, acid-and base-resisting, water, and resistance toheat is better than the vinyl resins lacquer.
4. ambient temperature curable, also heating curable, even also can drying and forming-film below 0 ℃, therefore construction and operating restraint be wide.
Because existing polyurethane finish one-pass film-forming thinner thickness, usually about 25 μ m, therefore, obtain thicker build must be through repeatedly brushing, therefore time-consuming, is exactly thick film and heavy antiseptic project exactly needs.The invention provides a kind of thick-film type polyurethane finish, can one-pass film-forming, build 50-60 μ m, thus reach the purpose of saving of work and time.
Summary of the invention
Purpose of the present invention just is to overcome above-mentioned the deficiencies in the prior art, and a kind of low solvent is provided, pollutes little and water tolerance, chemical resistant properties and weathering resistance thick-film type polyurethane finish preferably.
Technical scheme of the present invention is Synolac 40-50 part, Hydroxylated acrylic resin 20-30 part, titanium dioxide 15-35 part, defoamer 0.1-0.8 part, dispersion agent 0.2-1.0 part, flow agent 0.1-0.8 part, auxiliary rheological agents 10-30 part, organobentonite 2-10 part, and thinner add solidifying agent by proportioning during molding in finish paint, used solidifying agent is aliphatic polymeric isocyanate, and its usage quantity is the 25%-30% of Synolac and Hydroxylated acrylic resin weight sum.
Further, made according to following weight proportion by following raw materials according: Synolac 42-47 part, Hydroxylated acrylic resin 23-28 part, titanium dioxide 20-30 part, defoamer 0.2-0.5 part, dispersion agent 0.4-0.7 part, flow agent 0.2-0.5 part, auxiliary rheological agents 15-25 part, organobentonite 3-7 part, and thinner add solidifying agent by proportioning during molding in finish paint, used solidifying agent is aliphatic polymeric isocyanate, and its usage quantity is the 25%-30% of Synolac and Hydroxylated acrylic resin weight sum.
Further, described thinner is made according to following weight proportion by following raw materials according: butyl ester 10-20 part, dimethylbenzene 5-15 part.
Further, the preparation method of described a kind of thick-film type polyurethane finish paint vehicle, preparation method of the present invention is: add first Synolac, then add in order titanium dioxide, organobentonite, auxiliary rheological agents, dimethylbenzene, butyl ester, dispersion agent, disperse with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively Hydroxylated acrylic resin, flow agent, defoamer, carry out again high speed dispersion, after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
The raw material that uses among the present invention all can be bought from market and obtain:
Synolac is the grand 1300F resin of state, Hydroxylated acrylic resin is modest 3060 resins of moral, aliphatic polymeric isocyanate is BASF HB175 resin, titanium dioxide is one hundred sharp connection titanium dioxide, dispersion agent is that the safe 904s main component of the rising sun is the mixture of polymeric carboxylic and modified polyorganosiloxane, flow agent is that safe 432 main components of the rising sun are modified polyorganosiloxane, defoamer is that safe 6500 main components of the rising sun are modified polyorganosiloxane, auxiliary rheological agents is that modest 229 main components of moral are polyamide wax, and butyl ester, dimethylbenzene and organobentonite can be respectively overflow and three fish companies buy from state is grand, precious.
The grand GL1300F resin of selected state has higher solids content (80%), the low 15～26S(form pipe of viscosity), the anti-xanthochromia of tool, of light color, select simultaneously modest resin 3060 resins of moral, this resin viscosity is low, admittedly contain 60%, performance with acrylic paint, we have also selected the modest board polyamide wax of the good moral of thixotropy, three fish board organobentonites simultaneously, carrying out sag prevention processes, by repetition test, effectively finished the screening of prescription, made it to reach the above target of one-pass film-forming 50um.
The present invention has following advantage and positively effect:
1. the dry film scope is 50-60 μ m when spraying, thereby can make 3～4 traditional road coating operations be reduced to 2～3 road coating operations, has simplified the application system, has shortened the engineering time, has accelerated application speed, also adds the efficient that has improved structure steel fabrication simultaneously.
2. owing to solvent in the lacquer is few, reduced the pollution to environment.
3. the thick-film type polyurethane finish of making according to combination formula of the present invention all has very strong sticking power to various base materials, and the hardness of coating is high, has good water tolerance, weathering resistance and chemical resistant properties.
Embodiment
Embodiment 1: a kind of thick-film type polyurethane finish, made according to following weight proportion by following raw materials according: Synolac 40Kg, Hydroxylated acrylic resin 20Kg, aliphatic polymeric isocyanate 15Kg, titanium dioxide 25Kg, defoamer 0.2Kg, dispersion agent 0.5Kg, flow agent 0.2Kg, auxiliary rheological agents 10Kg, organobentonite 3Kg, butyl ester 10Kg, dimethylbenzene 5Kg.Specific to present embodiment, its course of processing is the grand 1300F Synolac of first acceding state, then add in order one hundred sharp connection titanium dioxide, organobentonite, the modest 229(polyamide wax of auxiliary rheological agents moral), dimethylbenzene, butyl ester, the mixture of the safe 904s(polymeric carboxylic of the dispersion agent rising sun and modified polyorganosiloxane) disperses with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively the modest Hydroxylated acrylic resin 3060 of moral, the safe 432(modified polyorganosiloxane of the flow agent rising sun), the safe 6500(modified polyorganosiloxane of the defoamer rising sun), carry out again high speed dispersion, enter into lower operation after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
Embodiment 2: a kind of thick-film type polyurethane finish, made according to following weight proportion by following raw materials according: Synolac 50Kg, Hydroxylated acrylic resin 30Kg, aliphatic polymeric isocyanate 24Kg, titanium dioxide 25Kg, defoamer 0.5Kg, dispersion agent 0.5Kg, flow agent 0.2Kg, auxiliary rheological agents 30Kg, organobentonite 7Kg, butyl ester 20Kg, dimethylbenzene 15Kg.Specific to present embodiment, its course of processing is the grand 1300F Synolac of first acceding state, then add in order one hundred sharp connection titanium dioxide, organobentonite, the modest 229(polyamide wax of auxiliary rheological agents moral), dimethylbenzene, butyl ester, the mixture of the safe 904s(polymeric carboxylic of the dispersion agent rising sun and modified polyorganosiloxane) disperses with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively the modest Hydroxylated acrylic resin 3060 of moral, the safe 432(modified polyorganosiloxane of the flow agent rising sun), the safe 6500(modified polyorganosiloxane of the defoamer rising sun), carry out again high speed dispersion, enter into lower operation after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
Embodiment 3: a kind of thick-film type polyurethane finish, made according to following weight proportion by following raw materials according: Synolac 42Kg, Hydroxylated acrylic resin 23Kg, aliphatic polymeric isocyanate 17Kg, titanium dioxide 20Kg, defoamer 0.1Kg, dispersion agent 0.2Kg, flow agent 0.1Kg, auxiliary rheological agents 10Kg, organobentonite 2Kg, butyl ester 13Kg, dimethylbenzene 8Kg.Specific to present embodiment, its course of processing is the grand 1300F Synolac of first acceding state, then add in order one hundred sharp connection titanium dioxide, organobentonite, modest 229 (polyamide waxes) of auxiliary rheological agents moral, dimethylbenzene, butyl ester, the safe 904s of the dispersion agent rising sun (mixture of polymeric carboxylic and modified polyorganosiloxane) disperses with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively the modest Hydroxylated acrylic resin 3060 of moral, flow agent rising sun Thailand 432 (modified polyorganosiloxane), defoamer rising sun Thailand 6500 (modified polyorganosiloxane), carry out again high speed dispersion, enter into lower operation after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
Embodiment 4: a kind of thick-film type polyurethane finish, made according to following weight proportion by following raw materials according: Synolac 47Kg, Hydroxylated acrylic resin 28Kg, aliphatic polymeric isocyanate 23Kg, titanium dioxide 25Kg, defoamer 0.4Kg, dispersion agent 0.6Kg, flow agent 0.4Kg, auxiliary rheological agents 22Kg, organobentonite 5Kg, butyl ester 13Kg, dimethylbenzene 8Kg.Specific to present embodiment, its course of processing is the grand 1300F Synolac of first acceding state, then add in order one hundred sharp connection titanium dioxide, organobentonite, modest 229 (polyamide waxes) of auxiliary rheological agents moral, dimethylbenzene, butyl ester, the safe 904s of the dispersion agent rising sun (mixture of polymeric carboxylic and modified polyorganosiloxane) disperses with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively the modest Hydroxylated acrylic resin 3060 of moral, flow agent rising sun Thailand 432 (modified polyorganosiloxane), defoamer rising sun Thailand 6500 (modified polyorganosiloxane), carry out again high speed dispersion, enter into lower operation after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
The performance comparison of patented product of the present invention and existing market like product after testing, its outstanding feature and marked improvement are as described in the following table:
| Project | This patent product | The existing market product |
| Paint film appearance | Smooth smooth | Smooth smooth |
| One-pass film-forming thickness μ m | 50-60 | 20-30 |
| Fineness μ m | 20 | 20 |
| Pencil hardness | 2H | 2H |
| Gloss (60 °) | 88 | 85 |
Should be noted that following item during construction of the present invention:
1, spraying or note when brushing body surface dustless, without wet goods.
2, the paint for preparing should be finished in 4 hours, in order to avoid the gel waste.
3, store under the product condition up to specification, effective storage life 1 year still can continue to use through being up to the standards as surpassing 1 year.
Claims (5)
1. thick-film type polyurethane finish, it is characterized in that: made according to following weight proportion by following raw materials according: 40-50 parts of Synolac, 20-30 parts of Hydroxylated acrylic resins, 15-35 parts of titanium dioxides, 0.1-0.8 part of defoamer, 0.2-1.0 parts of dispersion agents, 0.1-0.8 part of flow agent, 10-30 parts of auxiliary rheological agents, 2-10 parts of organobentonites, and thinner add solidifying agent by proportioning during molding in finish paint, used solidifying agent is aliphatic polymeric isocyanate, and its usage quantity is 25%-30% of Synolac and Hydroxylated acrylic resin weight sum.
2. a kind of thick-film type polyurethane finish according to claim 1, it is characterized in that: made according to following weight proportion by following raw materials according: 42-47 parts of Synolac, 23-28 parts of Hydroxylated acrylic resins, 20-30 parts of titanium dioxides, 0.2-0.5 part of defoamer, 0.4-0.7 part of dispersion agent, 0.2-0.5 part of flow agent, 15-25 parts of auxiliary rheological agents, 3-7 parts of organobentonites, and thinner add solidifying agent by proportioning during molding in finish paint, used solidifying agent is aliphatic polymeric isocyanate, and its usage quantity is 25%-30% of Synolac and Hydroxylated acrylic resin weight sum.
3. each described a kind of thick-film type polyurethane finish according to claim 1-2, it is characterized in that: described Synolac is the grand 1300F resin of state, Hydroxylated acrylic resin is modest 3060 resins of moral, aliphatic polymeric isocyanate is BASF HB175 resin, titanium dioxide is one hundred sharp connection titanium dioxide, dispersion agent is the mixture of the safe 904s main component polymeric carboxylic of the rising sun and modified polyorganosiloxane, flow agent is that safe 432 main components of the rising sun are modified polyorganosiloxane, defoamer is that safe 6500 main components of the rising sun are modified polyorganosiloxane, auxiliary rheological agents is that modest 229 main components of moral are polyamide wax, butyl ester, dimethylbenzene and organobentonite can be grand from state respectively, precious overflowing buied with three fish companies.
4. a kind of thick-film type polyurethane finish according to claim 1, it is characterized in that: described thinner is made according to following weight proportion by following raw materials according: butyl ester 10-20 part, dimethylbenzene 5-15 part.
5. the preparation method of each described a kind of thick-film type polyurethane finish paint vehicle according to claim 1-2, it is characterized in that: add first Synolac, then add in order titanium dioxide, organobentonite, auxiliary rheological agents, dimethylbenzene, butyl ester, dispersion agent, disperse with high speed dispersor, grind after being uniformly dispersed, stop when being ground to fineness 20 μ m grinding and enter into the paint operation, add successively Hydroxylated acrylic resin, flow agent, defoamer, carry out again high speed dispersion, after being uniformly dispersed, after factory inspection is qualified, be carried out in accordance with regulations packing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465687.7A CN102977760B (en) | 2012-11-16 | 2012-11-16 | A kind of Thick film type polyurethane finish paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210465687.7A CN102977760B (en) | 2012-11-16 | 2012-11-16 | A kind of Thick film type polyurethane finish paint |
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| CN102977760A true CN102977760A (en) | 2013-03-20 |
| CN102977760B CN102977760B (en) | 2015-12-23 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589318A (en) * | 2013-10-24 | 2014-02-19 | 惠州市长润发涂料有限公司 | Polyurethane paint with ultrastrong adhesive force |
| CN103666210A (en) * | 2013-11-29 | 2014-03-26 | 江苏帕齐尼铜业有限公司 | Copper-based coating made of epoxy modified alkyd resin |
| CN106221553A (en) * | 2016-07-28 | 2016-12-14 | 江苏昌悦重工科技有限公司 | A kind of integrated case of photovoltaic |
| CN106752792A (en) * | 2016-12-01 | 2017-05-31 | 安徽旺家源门业有限公司 | A kind of door polyurethane finish and preparation method thereof |
| CN107868603A (en) * | 2017-12-06 | 2018-04-03 | 陕西宝塔山油漆股份有限公司 | A kind of low surface-functional acrylic polyurethane finish paint and preparation method thereof |
| CN109337541A (en) * | 2018-10-23 | 2019-02-15 | 南京悠谷新材料科技有限公司 | A kind of aviation anti-aging coating and preparation method thereof |
| CN109694600A (en) * | 2017-10-24 | 2019-04-30 | 江苏凤凰木业有限公司 | A kind of mould proof timber |
| CN113265189A (en) * | 2021-04-19 | 2021-08-17 | 株洲市九华新材料涂装实业有限公司 | Water-based acrylic polyurethane finish paint and preparation method and application thereof |
| CN114672193A (en) * | 2020-12-24 | 2022-06-28 | 湖南金固力油墨涂料有限公司 | Environment-friendly ink coating |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589318A (en) * | 2013-10-24 | 2014-02-19 | 惠州市长润发涂料有限公司 | Polyurethane paint with ultrastrong adhesive force |
| CN103666210A (en) * | 2013-11-29 | 2014-03-26 | 江苏帕齐尼铜业有限公司 | Copper-based coating made of epoxy modified alkyd resin |
| CN103666210B (en) * | 2013-11-29 | 2016-04-20 | 江苏帕齐尼铜业有限公司 | A kind of epoxy alkyd resin copper coating |
| CN106221553A (en) * | 2016-07-28 | 2016-12-14 | 江苏昌悦重工科技有限公司 | A kind of integrated case of photovoltaic |
| CN106752792A (en) * | 2016-12-01 | 2017-05-31 | 安徽旺家源门业有限公司 | A kind of door polyurethane finish and preparation method thereof |
| CN109694600A (en) * | 2017-10-24 | 2019-04-30 | 江苏凤凰木业有限公司 | A kind of mould proof timber |
| CN107868603A (en) * | 2017-12-06 | 2018-04-03 | 陕西宝塔山油漆股份有限公司 | A kind of low surface-functional acrylic polyurethane finish paint and preparation method thereof |
| CN109337541A (en) * | 2018-10-23 | 2019-02-15 | 南京悠谷新材料科技有限公司 | A kind of aviation anti-aging coating and preparation method thereof |
| CN114672193A (en) * | 2020-12-24 | 2022-06-28 | 湖南金固力油墨涂料有限公司 | Environment-friendly ink coating |
| CN113265189A (en) * | 2021-04-19 | 2021-08-17 | 株洲市九华新材料涂装实业有限公司 | Water-based acrylic polyurethane finish paint and preparation method and application thereof |
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| CN102977760B (en) | 2015-12-23 |
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