CN106433413A - Two-component high-solid-content varnish and preparation method thereof - Google Patents
Two-component high-solid-content varnish and preparation method thereof Download PDFInfo
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- CN106433413A CN106433413A CN201610576079.1A CN201610576079A CN106433413A CN 106433413 A CN106433413 A CN 106433413A CN 201610576079 A CN201610576079 A CN 201610576079A CN 106433413 A CN106433413 A CN 106433413A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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Abstract
The invention discloses two-component high-solid-content varnish and a preparation method thereof. A paint part is prepared from, by weight, 65-75 parts of resin, 0.3-1 part of a defoaming agent, 0.4-1 part of a levelling agent, 0.1-0.5 part of a drying promotor, 1-2 parts of a light stabilizer, 1-2 parts of a light absorber and 20-30 parts of a solvent; a curing agent part is prepared from 89 parts of a curing agent and 11 parts of a solvent. A varnish film formed by the varnish has the good appearance; compared with the prior art, the solid content is high, the spraying solid content reaches 60% or above, volatilization of the solvent is significantly reduced, and the plumpness of the varnish can be effectively improved.
Description
Technical field
The present invention relates to a kind of automotive coating, particularly relate to a kind of double-component large arch dam varnish and preparation method thereof.
Background technology
Traditional coating mostly is low and admittedly contains solvent-borne type, containing substantial amounts of organic solvent, also needs to add many organic during use
Solvent dilutes, and these solvents evaporate in air during construction and drying varniss, and pollution environment harmful to health of human body,
There is the danger causing fire.The statistics announced according to State Statistics Bureau shows, within 2014, China's coating total output reaches
1648.188 ten thousand tons, after adjustment, increase by 7.87% on a year-on-year basis.Compare coating total output in 2013 1303.349 ten thousand tons, 2014 new
Add 344.839 ten thousand tons.Record high again.Calculate with 2013 annual productions, if using low solid oiliness coating, annual big
Gas VOC emission total amount is 1145 tons, and after using high-solid-content paint, annual VOC emission total amount can reduce to about 850 tons, fall
Width reaches about 25 %, and with countries in the world environmental regulation increasingly stringent, development environment friendly coating is to substitute traditional solvent-borne
Coating is trend of the times.Sound with the raising of people's environmental consciousness and environmental regulation, exploitation can substitute that tradition is low to be contained admittedly
The large arch dam varnish of solvent-based varnishes is the direction that coating industry is made great efforts.With popularizing of environmental protection concept, high-solid-content paint conduct
The product with environmental-protecting performance obtains the accreditation of more and more consumer.On January 16th, 2015, National Ministry of Finance and country's tax
Office combines issue " notice with regard to battery, the coating collection consumption tax ", and the environmental protection of coating is irresistible, and market prospects are wide
Wealthy.
Content of the invention
It is an object of the invention to the demand according to existing laws and regulations and market, a kind of environment-friendly type large arch dam varnish be provided,
It has excellent outward appearance plumpness, gloss, weatherability, chemical resistance and application property, the low VOC feature of environmental protection, it is adaptable to automobile and
The application of engineering machinery etc..
The purpose of the present invention can be reached by following measures：A kind of double-component large arch dam varnish, mainly by coating portion,
Curing agent part and diluent composition, wherein the weight ratio of three is 2:1:0.15-0.45, described coating portion is by following weight
The component of part is formulated：
| Component | Mass fraction |
| Resin | 65～75 parts |
| Defoamer | 0.3～1 part |
| Levelling agent | 0.4～1 part |
| Drier | 0.1～0.5 part |
| Light stabilizer | 1～2 part |
| Light absorber | 1～2 part |
| Solvent | 20～30 parts |
Described curing agent part is formulated by following components in parts by weight：
| Component | Mass fraction |
| Curing agent | 89 parts |
| Organic solvent | 11 parts |
It when this varnish uses, coating portion is mixed and stirred in proportion with curing agent part uniformly or is adjusted to executing of needs
Work viscosity, then can be with the method construction of spraying.Wherein coating portion and the weight ratio of curing agent part are 2：1.
Resin in the present invention uses 215 resins of SYNTHOPOL company of Germany.
Defoamer in the present invention is the defoamer AFCONA2020 containing organosilicon.
Levelling agent in the present invention is BYK-3700.
Drier in the present invention is Tao Shi T-12.
Light stabilizer in the present invention is the 1130 of BASF.
Light absorber in the present invention is the 292 of BASF.
Solvent in the present invention or organic solvent use the one of EEP or PMA or butyl acetate or ethyl acetate or solvent naphtha
Plant or several.
Curing agent in the present invention uses the 3390 of Bayer.
Large arch dam varnish is formulated by the following method：
(1) add resin in clean container；
(2) add while stirring under high speed state defoamer, levelling agent, drier, light stabilizer, light absorber and
Organic solvent；
(3) after all adding, high-speed stirred 10-15min.
Curing agent is formulated by the following method：Curing agent is mixed with organic solvent.
First above-mentioned paint component second is mixed by formula ratio with curing agent component first during construction, then want according to construction
Seeking the diluent latting drown using 5-15%, regulation viscosity is to working viscosity further, and then even application is on workpiece to be coated.
Large arch dam varnish of the present invention has the characteristics that：
(1) coating of the present invention uses the saturated polyester resin of special modification, can give the excellent dicoration of paint film and become
Film；
(2) coating of the present invention possesses good process based prediction model；
(3) coating of the present invention grows up on traditional solvent-borne coating base, can be substantially reduced coating body
VOC (VOC) content of system, reduces to atmosphere pollution；
(4) coating of the present invention has good application property, owing to construction is solid containing height, improves coating efficiency, once applies
The thickness of dress is 1-4 times of traditional coating, greatly reduces construction times, has saved labor cost, saves man-hour；
(5) painting color of the present invention is shallow, have excellent guarantor's light, Bao Se and weatherability；
(6) energy saved by the coating of the present invention, and substantial amounts of organic solvent saved by high solid varnish, is resource-saving, saves energy
One of the coating variety of low public hazards in source.
The large arch dam varnish of the present invention, compared with conventional varnish, by realizing the lowering viscousity of coating, reaches the height of coating
Solidification, low stain, save the energy, improves efficiency.The present invention has more specific aim, bright compared to traditional product directive property
Really, there are demand and the prospect in broader market.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
Large arch dam varnish composition by weight in the present embodiment：Resin 65 parts, defoamer 0.3 part, levelling agent 0.4 part, drier
0.1 part, light stabilizer 1 part, light absorber 1 part, organic solvent 20 parts.
Coating portion preparation method is as follows：
(1) 65 parts of resins are added in clean container, stir under middle high shear force；
(2) it is sequentially added into 0.3 part of defoamer, 0.4 part of levelling agent while stirring, 0.1 part of drier, 1 part of light stabilizer, 1
Part light absorber, 20 parts of organic solvents, stir；
(3), after material adds, middle high shear force stirs 10-15 minute；
(4), after stirring terminates, stand after waiting bubble collapse stand-by；
Curing agent component preparation method：In proportion by 89 parts and 11 parts organic solvent mixing of curing agent, low-shearing force stirs
Uniformly i.e. obtain curing agent component.
During use, paint component and curing agent component press 2:The proportioning mixing of 1, low-shearing force stirs, and adds dilute in right amount
Release agent and carry out viscosity adjustment, stir, after 250 mesh filter-cloth filterings, be sprayed on tinplate, place thermostatic constant wet chamber (23
± 2 DEG C, 50 ± 5%) in dry and select corresponding regulating time by technical indicator, record all technical and be shown in Table one.
Embodiment 2
Large arch dam varnish composition by weight in the present embodiment：Resin 70 parts, defoamer 0.6 part, levelling agent 0.7 part, drier
0.3 part, light stabilizer 1.5 parts, light absorber 1.5 parts, organic solvent 25 parts.
Coating portion preparation method is as follows：
(1) 70 parts of resins are added in clean container, stir under middle high shear force；
(2) it is sequentially added into 0.6 part of defoamer, 0.7 part of levelling agent while stirring, 0.3 part of drier, 1.5 parts of light stabilizers,
1.5 parts of light absorbers, 25 parts of organic solvents, stir；
(3), after material adds, middle high shear force stirs 10-15 minute；
(4), after stirring terminates, stand after waiting bubble collapse stand-by；
Curing agent component preparation method：In proportion by 89 parts and 11 parts organic solvent mixing of curing agent, low-shearing force stirs
Uniformly i.e. obtain curing agent component.
During use, paint component and curing agent component press 2:The proportioning mixing of 1, low-shearing force stirs, and adds dilute in right amount
Release agent and carry out viscosity adjustment, stir, after 250 mesh filter-cloth filterings, be sprayed on tinplate, place thermostatic constant wet chamber (23
± 2 DEG C, 50 ± 5%) in dry and select corresponding regulating time by technical indicator, record all technical and be shown in Table one.
Embodiment 3
Large arch dam varnish composition by weight in the present embodiment：Resin 75 parts, defoamer 1 part, levelling agent 1 part, drier 0.5
Part, light stabilizer 2 parts, light absorber 2 parts, organic solvent 30 parts.
Coating portion preparation method is as follows：
(1) 75 parts of resins are added in clean container, stir under middle high shear force；
(2) it is sequentially added into 1 part of defoamer, 1 part of levelling agent, 0.5 part of drier, 2 parts of light stabilizers, 2 parts of light while stirring
Absorbent, 30 parts of organic solvents, stir；
(3), after material adds, middle high shear force stirs 10-15 minute；
(4), after stirring terminates, stand after waiting bubble collapse stand-by；
Curing agent component preparation method：In proportion by 89 parts and 11 parts organic solvent mixing of curing agent, low-shearing force stirs
Uniformly i.e. obtain curing agent component.
During use, paint component and curing agent component press 2:The proportioning mixing of 1, low-shearing force stirs, and adds dilute in right amount
Release agent and carry out viscosity adjustment, stir, after 250 mesh filter-cloth filterings, be sprayed on tinplate, place thermostatic constant wet chamber (23
± 2 DEG C, 50 ± 5%) in dry and select corresponding regulating time by technical indicator, record all technical and be shown in Table one.
With reference to the countries concerned or professional standard, performance detection is carried out to embodiments above, result such as table one.
Table one
Claims (11)
1. a double-component large arch dam varnish, it is characterised in that：It is made up of coating portion, curing agent part and diluent, wherein
The weight ratio of three is 2:1:0.15-0.45, described coating portion is formulated by following components in parts by weight：
Described curing agent part is formulated by following components in parts by weight：
2. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Tree used by coating portion for the preparation
Fat is high-solid lower-viscosity resin, including one or more in acrylic resin, polyester resin are with the mixing of arbitrary proportion.
3. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Disappearing used by preparation coating portion
Infusion, including organic-silicon-modified defoamer, organically-modified dimethyl silicone polymer, ethylenic copolymer, vinyl polymerization
One or more in thing are with the mixing of arbitrary proportion.
4. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Stream used by coating portion for the preparation
Flat agent, including organic silicon modified by polyether polymer, organic silicon modified by polyether, modified polyorganosiloxane, fluorine-carbon modified polyacrylic acid
One or more in ester, acrylic acid-Organosiliconcopolymere are with the mixing of arbitrary proportion.
5. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Urging used by preparation coating portion
Dry agent, including one or more in metal oxide, slaine, metallic soap are with the mixing of arbitrary proportion.
6. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Light used by coating portion for the preparation
Stabilizer is BTA mixture.
7. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Light used by coating portion for the preparation
Absorbent is hindered amine light stabilizer.
8. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Preparation coating portion used by molten
Agent, including one or more in aromatic hydrocarbon, esters, ketone are with the mixing of arbitrary proportion.
9. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Used by preparation curing agent part
Curing agent is high-solid lower-viscosity PIC.
10. a kind of double-component large arch dam varnish according to claim 1, it is characterised in that：Used by preparation curing agent part
Organic solvent include one or more in aromatic hydrocarbon, esters with the mixing of arbitrary proportion.
The preparation method of the double-component large arch dam varnish coat described in 11. any one of claim 1-10, it is characterised in that：Including
Following steps
(1) resin is added in clean container, stir under middle high shear force；
(2) it is sequentially added into defoamer, levelling agent, drier, light stabilizer, light absorber, solvent while stirring, stir；
(3), after material adds, middle high shear force stirs 10-15 minute；
(4), after stirring terminates, stand and i.e. obtain coating portion after waiting bubble collapse；
(5) mixing curing agent organic solvent in proportion, low-shearing force stirs and i.e. obtains curing agent part；
(6) mixing coating portion, curing agent part, diluent by proportioning, low-shearing force stirs, 250 mesh filter-cloth filterings
After and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576079.1A CN106433413A (en) | 2016-07-20 | 2016-07-20 | Two-component high-solid-content varnish and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610576079.1A CN106433413A (en) | 2016-07-20 | 2016-07-20 | Two-component high-solid-content varnish and preparation method thereof |
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| CN106433413A true CN106433413A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610576079.1A Pending CN106433413A (en) | 2016-07-20 | 2016-07-20 | Two-component high-solid-content varnish and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903793A (en) * | 2017-12-07 | 2018-04-13 | 江苏足迹涂料有限公司 | A kind of ultra-toughness type two-component varnish coat and preparation method thereof |
| CN109679449A (en) * | 2018-12-17 | 2019-04-26 | 西北工业大学 | The preparation method of metal parts, surface varnish and surface varnish |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08157769A (en) * | 1994-12-05 | 1996-06-18 | Chugoku Marine Paints Ltd | Water-base coating composition for wooden material |
| CN102277056A (en) * | 2011-07-26 | 2011-12-14 | 东来涂料技术（上海）有限公司 | Environment-friendly and high-solid content vernix and preparation method thereof |
| CN103937401A (en) * | 2013-01-17 | 2014-07-23 | 合众（佛山）化工有限公司 | Preparation method of scratch resistant double-component polyurethane woodenware glossy vanish |
| CN104910731A (en) * | 2015-07-16 | 2015-09-16 | 商丘市博大化工有限公司 | High-solid low-viscosity varnish and preparation method thereof |
-
2016
- 2016-07-20 CN CN201610576079.1A patent/CN106433413A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08157769A (en) * | 1994-12-05 | 1996-06-18 | Chugoku Marine Paints Ltd | Water-base coating composition for wooden material |
| CN102277056A (en) * | 2011-07-26 | 2011-12-14 | 东来涂料技术（上海）有限公司 | Environment-friendly and high-solid content vernix and preparation method thereof |
| CN103937401A (en) * | 2013-01-17 | 2014-07-23 | 合众（佛山）化工有限公司 | Preparation method of scratch resistant double-component polyurethane woodenware glossy vanish |
| CN104910731A (en) * | 2015-07-16 | 2015-09-16 | 商丘市博大化工有限公司 | High-solid low-viscosity varnish and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903793A (en) * | 2017-12-07 | 2018-04-13 | 江苏足迹涂料有限公司 | A kind of ultra-toughness type two-component varnish coat and preparation method thereof |
| CN109679449A (en) * | 2018-12-17 | 2019-04-26 | 西北工业大学 | The preparation method of metal parts, surface varnish and surface varnish |
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Application publication date: 20170222 |