CN102702888A - Low-temperature quick-drying dual-component automotive trim paint - Google Patents
Low-temperature quick-drying dual-component automotive trim paint Download PDFInfo
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- CN102702888A CN102702888A CN2012101744575A CN201210174457A CN102702888A CN 102702888 A CN102702888 A CN 102702888A CN 2012101744575 A CN2012101744575 A CN 2012101744575A CN 201210174457 A CN201210174457 A CN 201210174457A CN 102702888 A CN102702888 A CN 102702888A
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Abstract
The invention relates to low-temperature quick-drying dual-component automotive trim paint, which is used for solving the problems of long baking time, high baking temperature and low hardness in the conventional automobile plastic trim paint. The low-temperature quick-drying dual-component automotive trim paint consists of a component A and a component B, wherein a mass ratio of the component A to the component B is 4:1; the component A consists of the following substances in part by mass: 60 to 80 parts of hydroxy acrylic resin mixture, 5 to 25 parts of solvent A, 5 to 10 parts of filler, 0.1 to 0.5 part of defoamer, 0.1 to 0.15 part of flatting agent, 0.4 to 0.8 part of drier, 0.5 to 1.5 parts of light stabilizer and 0.5 to 1 part of light absorber; and the component B consists of the following substances in part by mass: 50 to 60 parts of curing agent, 4 to 8 parts of curing accelerator and 35 to 55 parts of solvent B. According to an automotive interior trim part sprayed by the automotive trim paint, the baking time can be reduced by nearly 50 percent, the baking temperature is reduced by about 20 DEG C, and the hardness of pencils is improved to 2H; and the low-temperature quick-drying dual-component automotive trim paint has the characteristics of improving production efficiency and quality of products along with energy conservation.
Description
Technical field
The present invention relates to a kind of coating, in particular for the automobile accessories plastic component being carried out the interior trim lacquer of spray treatment.
Background technology
At present, the supporting trim plastic parts of automobile industry mainly contains multiple materials such as ABS, PP, PC+ABS, wherein quite a few product or the component processing of need spraying paint.Two component interior trims lacquer baking conditions that existing interior products is sprayed are relatively harsher: storing temperature 80-85 ℃, storing time need 30-35 minute, otherwise paint film can not finish-drying, can't carry out the operation of next procedure, and its performance also can't guarantee.In addition, pencil hardness can only reach HB after existing two component interior trims were painted film, awaited improving.Use the interior trim lacquer of single-component can reduce storing temperature; Shorten storing time; Reach the purpose of low-temperature quick-dry, but the single-component interior trim does not produce crosslinking reaction when painting film, intermolecular just structure simply side by side after the film forming; And not generating inierpeneirating network structure, the wear resistance of product, hardness, water tolerance, performance such as aging are nothing like two component interior trims lacquer paint film properties.Along with the lifting of auto output, the quickening of rhythm of production and the raising that quality product is required; Spraying had both required to ensure the quality of products to automotive upholstery; Need faster production rhythm again; Therefore demand improving existing automotive upholstery spraying technology urgently, under the condition that guarantees quality product, enhance productivity.
Summary of the invention
The present invention is used to overcome the defective of prior art, provides a kind of and enhances product performance and the two component automotive trims lacquers of low-temperature quick-dry of production efficiency, reduction energy consumption.
The alleged problem of the present invention is solved by following technical scheme:
The two component automotive trim lacquers of a kind of low-temperature quick-dry, it is made up of A, B two components, and its special feature is that the mass ratio of A component and B component is 4:1; Said A component is made up of following materials in parts by mass: Hydroxylated acrylic resin mixture 60-80, A solvent 5-25, filler 5-10, skimmer 0.1-0.5, flow agent 0.1-0.15, siccative 0.4-0.8, photostabilizer 0.5-1.5, light absorber 0.5-1; Said B component is made up of following materials in parts by mass: solidifying agent 50-60, curing catalyst 4-8, B solvent 35-55.
The two component automotive trim lacquers of above-mentioned low-temperature quick-dry, said Hydroxylated acrylic resin mixture is mixed by middle hydroxy propylene acid resin and high hydroxy propylene acid resin, and the mass ratio of middle hydroxy propylene acid resin and high hydroxy propylene acid resin is 1:0.5-2; Said solidifying agent is the tripolymer of hexa-methylene diisocyanate resin; Said curing catalyst is a glyoxal ethyline.
The two component automotive trim lacquers of above-mentioned low-temperature quick-dry; Said A solvent is the mixture of the propylene glycol monomethyl ether amyl acetate of 45% N-BUTYL ACETATE, 37% YLENE and 18%, and said B solvent is the butyl glycol ether N-BUTYL ACETATE, and said skimmer is a T 46155 polyoxy propyl alcohol amidogen ether; Said flow agent is the fluorine modified polyacrylate; Said siccative is a dibutyl tin laurate, and said photostabilizer is the 5-nitrobenzene and triazolam, and said light absorber is that the trade mark is the TINUVIN-292 light absorber; Said filler is talcum powder and pigment, and wherein the mass ratio of talcum powder and pigment is 10:1.
The present invention is directed to the used interior trim lacquer storing time of existing automobile plastic defective long, that storing temperature is high and hardness is on the low side and improve,, provide the two component automotive trim lacquers of a kind of low-temperature quick-dry through further investigation, TE.Preferred each the constituent proportioning of this pair component automotive trim lacquer; Particularly in the B component, add a kind of curing catalyst by proportioning; Make it effectively promote solidifying agent and resin generation curing reaction in the constituent; Make its fast setting, when solving problems such as common double component interior trim lacquer storing temperature is high, storing time is long, obviously improved hardness of paint film and wear resisting property.Test shows, adopts the two component interior trims lacquers of the present invention, and it is nearly 50% that storing time can reduce, and storing temperature reduces about 20 ℃, and pencil hardness is increased to 2H, compared with prior art, has save energy, enhances productivity, promotes the advantage of quality product.
Embodiment
The present invention adds the curing catalyst glyoxal ethyline in the B component on the basis of the existing two component automotive trims lacquer proportionings of optimization, the problem high at the solution storing temperature, that storing time is long has improved the hardness and the wear resisting property of paint film simultaneously.The curing catalyst that is added in the B component is (glyoxal ethyline), and it can be decomposed under 60-65 ℃ of temperature:
Curing catalyst is decomposed into ion, has promoted solidifying agent and resin generation curing reaction, and can fast setting.The molecular structure of glyoxal ethyline is the five rings structure, forms the π key, and molecular structure is more stable and steel is hard, has strengthened the hardness and the wear resisting property of paint film.Contain simultaneously strong polarity group in the molecular structure ,-NH-impels between the one's share of expenses for a joint undertaking reactive force to strengthen and has self-lubricating function, because glyoxal ethyline generates three kinds of products when decomposing:
These three kinds of ionic reaction activity are strong especially, can promote the reaction of solidifying agent and resin crosslinks at low temperatures fast, form inierpeneirating network structure, thereby improve the surface hardness and the wear resisting property of paint film.
According to the invention pair of component automotive trim lacquer is made up of A, B two components, and the mass ratio of A component and B component is 4:1.Wherein, the A component is made up of following materials in parts by mass: Hydroxylated acrylic resin mixture 60-80, A solvent 5-25, filler 5-10, skimmer 0.1-0.5, flow agent 0.1-0.15, siccative 0.4-0.8, photostabilizer 0.5-1.5, light absorber 0.5-1; Said Hydroxylated acrylic resin mixture is that middle hydroxy propylene acid resin and the hydroxyl value of 2.0-3.0 mixes greater than 4.0 high hydroxy propylene acid resin by hydroxyl value, and the mass ratio of middle hydroxy propylene acid resin and high hydroxy propylene acid resin is 1:0.5-2; Said A solvent is the mixture of the propylene glycol monomethyl ether amyl acetate of 45% N-BUTYL ACETATE, 37% YLENE and 18%; Said skimmer is a T 46155 polyoxy propyl alcohol amidogen ether; Said flow agent is the fluorine modified polyacrylate; Said siccative is a dibutyl tin laurate; Said photostabilizer is the 5-nitrobenzene and triazolam; Said light absorber is the light absorber of TINUVIN-292 for the trade mark that Ciba company produces; Said filler is talcum powder and pigment, and wherein the mass ratio of talcum powder and pigment is 10:1.Said B component is made up of following materials in parts by mass: solidifying agent 50-60, curing catalyst 4-8, B solvent 35-55; Said solidifying agent is the tripolymer of hexa-methylene diisocyanate resin; Said curing catalyst is a glyoxal ethyline; Said B solvent is the butyl glycol ether N-BUTYL ACETATE.
Hydroxylated acrylic resin is main filmogen in the A component, and the A solvent mainly is the effect of solvent and dilution (adjustment viscosity); Talcum powder in the filler is to reduce cost and strengthen the intensity and the hardness of paint film, and pigment is the required color of allotment; Skimmer reduces the surface tension of paint film, eliminates blistered problem; Siccative mainly is a crosslinking reaction of quickening paint film; Flow agent reduces the surface tension of paint film, strengthens the flowability of paint film, improves the fullness ratio of paint film; Photostabilizer and light absorber mainly are to absorb ultraviolet ray and oxygen, prevent coating aging.Solidifying agent is to impel resin generation crosslinking reaction in the B component; Curing catalyst is to accelerate solidifying agent and resin generation curing reaction, and the B solvent is used to adjust B component viscosity.
The embodiment of several proportionings of the present invention below is provided, and prescription is pressed the mass fraction proportioning:
According to the foregoing description proportioning, difference preparing A, B component, then with the A component: the B component is pressed the mixed of mass ratio 4:1.Fully stir after adding the A solvent during spraying operation, viscosity is adjusted to 11-13 second, leave standstill and (be no more than 1 hour at most) after 5 minutes and spray the interior trim plastic prod.Spraying coating process is for singly being coated with, and coating thickness is 15-25 μ, after spraying is accomplished; Levelling 3-5 minute; Get into baking box and toast, after storing temperature is set to 65 ℃, storing time and is set to 15 minutes, place the drying property of test paint film after 24 hours after rolling off the production line at normal temperatures; Degree of drying is measured the Division A League Matches of French Football method by GB 1728-1979 paint film, putty membrane time of drying, and test-results is all dry.Carry out the paint film property test then, test-results such as following table:
As Comparative Examples of the present invention, spray according to existing two component interior trim lacquer proportionings, spraying coating process is for singly being coated with; Coating thickness is 15-25 μ, after spraying is accomplished, and levelling 3-5 minute; Change baking box over to and toast, 80 ℃ of storing temperatures, storing time left standstill after 30 minutes 72 hours, the drying property of test paint film; Still fail complete drying, and pencil hardness can only reach HB, cut resistance test 19.422 grams.
In the two component interior trim lacquer of the present invention proportioning, it is gordian technique that the curing catalyst content of B component is controlled at the 4-8 mass parts, if curing catalyst content is lower than 4 mass parts, drying varniss poor performance and hardness do not reach 2H; If curing catalyst content is higher than 8 mass parts, though the drying varniss performance is good and hardness is higher, snappiness descends, and the embrittlement tendency is arranged.
Claims (3)
1. the two component automotive trims of low-temperature quick-dry coat with lacquer, and it is made up of A, B two components, it is characterized in that, the mass ratio of A component and B component is 4:1; Said A component is made up of following materials in parts by mass: Hydroxylated acrylic resin mixture 60-80, A solvent 5-25, filler 5-10, skimmer 0.1-0.5, flow agent 0.1-0.15, siccative 0.4-0.8, photostabilizer 0.5-1.5, light absorber 0.5-1; Said B component is made up of following materials in parts by mass: solidifying agent 50-60, curing catalyst 4-8, B solvent 35-55.
2. the two component automotive trim lacquers of low-temperature quick-dry according to claim 1; It is characterized in that: said Hydroxylated acrylic resin mixture is mixed by middle hydroxy propylene acid resin and high hydroxy propylene acid resin, and the mass ratio of middle hydroxy propylene acid resin and high hydroxy propylene acid resin is 1:0.5-2; Said solidifying agent is the tripolymer of hexa-methylene diisocyanate resin; Said curing catalyst is a glyoxal ethyline.
3. the two component automotive trims lacquers of low-temperature quick-dry according to claim 2 is characterized in that, said A solvent is the mixture of the propylene glycol monomethyl ether amyl acetate of 45% N-BUTYL ACETATE, 37% YLENE and 18%; Said B solvent is the butyl glycol ether N-BUTYL ACETATE; Said skimmer is a T 46155 polyoxy propyl alcohol amidogen ether, and said flow agent is the fluorine modified polyacrylate, and said siccative is a dibutyl tin laurate; Said photostabilizer is the 5-nitrobenzene and triazolam; Said light absorber is that the trade mark is the TINUVIN-292 light absorber, and said filler is talcum powder and pigment, and wherein the mass ratio of talcum powder and pigment is 10:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101744575A CN102702888A (en) | 2012-05-31 | 2012-05-31 | Low-temperature quick-drying dual-component automotive trim paint |
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| CN2012101744575A CN102702888A (en) | 2012-05-31 | 2012-05-31 | Low-temperature quick-drying dual-component automotive trim paint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360932A (en) * | 2013-07-08 | 2013-10-23 | 天津市环球特种涂料有限公司 | Environment-friendly low-temperature quick-drying automotive trim paint |
| CN103725128A (en) * | 2013-12-12 | 2014-04-16 | 江苏普兰纳涂料有限公司 | Bicomponent single-process surface paint for PP (Polypropylene) automobile decoration |
| CN104293028A (en) * | 2014-09-24 | 2015-01-21 | 江苏超凡标牌股份有限公司 | Weather-resisting resin |
| CN107974184A (en) * | 2017-12-07 | 2018-05-01 | 江苏足迹涂料有限公司 | A kind of aqueous double-component automotive trim paint and preparation method thereof |
| CN108977017A (en) * | 2017-05-31 | 2018-12-11 | 常州市卓瑞化工有限公司 | Siccative varnish and preparation method thereof |
| CN114656852A (en) * | 2022-04-24 | 2022-06-24 | 宁波西奥东升涂料***有限公司 | Preparation process of durable automobile paint |
| CN115637101A (en) * | 2022-11-08 | 2023-01-24 | 广东安捷伦新材料科技有限公司 | Varnish for automotive interior parts and preparation method thereof |
| CN115926598A (en) * | 2022-12-31 | 2023-04-07 | 惠州市韵点新材料科技股份有限公司 | Dual-curing UV (ultraviolet) finish paint and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996020968A1 (en) * | 1995-01-05 | 1996-07-11 | E.I. Du Pont De Nemours And Company | A high-solids coating composition |
| CN102277078A (en) * | 2011-07-26 | 2011-12-14 | 东来涂料技术（上海）有限公司 | Practical quick-drying varnish and preparation method thereof |
-
2012
- 2012-05-31 CN CN2012101744575A patent/CN102702888A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996020968A1 (en) * | 1995-01-05 | 1996-07-11 | E.I. Du Pont De Nemours And Company | A high-solids coating composition |
| CN102277078A (en) * | 2011-07-26 | 2011-12-14 | 东来涂料技术（上海）有限公司 | Practical quick-drying varnish and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360932A (en) * | 2013-07-08 | 2013-10-23 | 天津市环球特种涂料有限公司 | Environment-friendly low-temperature quick-drying automotive trim paint |
| CN103725128A (en) * | 2013-12-12 | 2014-04-16 | 江苏普兰纳涂料有限公司 | Bicomponent single-process surface paint for PP (Polypropylene) automobile decoration |
| CN103725128B (en) * | 2013-12-12 | 2016-07-06 | 江苏普兰纳涂料有限公司 | Double-component PP automobile decoration piece either simplex sequence finish paint |
| CN104293028A (en) * | 2014-09-24 | 2015-01-21 | 江苏超凡标牌股份有限公司 | Weather-resisting resin |
| CN108977017A (en) * | 2017-05-31 | 2018-12-11 | 常州市卓瑞化工有限公司 | Siccative varnish and preparation method thereof |
| CN107974184A (en) * | 2017-12-07 | 2018-05-01 | 江苏足迹涂料有限公司 | A kind of aqueous double-component automotive trim paint and preparation method thereof |
| CN114656852A (en) * | 2022-04-24 | 2022-06-24 | 宁波西奥东升涂料***有限公司 | Preparation process of durable automobile paint |
| CN115637101A (en) * | 2022-11-08 | 2023-01-24 | 广东安捷伦新材料科技有限公司 | Varnish for automotive interior parts and preparation method thereof |
| CN115926598A (en) * | 2022-12-31 | 2023-04-07 | 惠州市韵点新材料科技股份有限公司 | Dual-curing UV (ultraviolet) finish paint and application thereof |
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Application publication date: 20121003 |