CN106947350A - A kind of water-based automobile paint containing composite curing system - Google Patents
A kind of water-based automobile paint containing composite curing system Download PDFInfo
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- CN106947350A CN106947350A CN201710229418.3A CN201710229418A CN106947350A CN 106947350 A CN106947350 A CN 106947350A CN 201710229418 A CN201710229418 A CN 201710229418A CN 106947350 A CN106947350 A CN 106947350A
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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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- 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
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- 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
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to polymer field of new materials, particularly a kind of water-based automobile paint containing composite curing system, mainly to solve the problem of aqueous automobile paint luster performance is difficult to improve in the prior art, its major programme is a kind of water-based automobile paint containing composite curing system, including following components：Automobile coating water-based acrylic resin：20 25 parts by weight；Composite curing agent：12 parts by weight；Levelling agent：13 parts by weight；Defoamer：12 parts by weight；Deionized water：It is 50 parts by weight added to system gross weight；Described composite curing agent is 1 by weight ratio:1 aziridine crosslinker and the mixture of methyl diphenylene diisocyanate.More than 92% has been reached by the water-based automobile paint glossiness containing composite curing system of the present invention.
Description
Technical field
The present invention relates to polymer field of new materials, particularly a kind of water-based automobile paint containing composite curing system.
Background technology
Automobile coating is exactly a kind of diaphragm being sprayed on automobile, and it is one kind of coating, makes vehicle body be not easy to be corroded, more
It is to give people a kind of evaluation attractive in appearance；The main feature of the performance of automobile coating：Paint film richness is good, and gloss is high, and hardness is high, adhesive force
Good, paint film has excellent mechanical performance, there is fabulous polish retention, weatherability, wearability, with good acidproof, resistance to
Alkali, ethanol-tolerant, gasoline-resistant performance；Automobile coating is broadly divided into several：The main component commonly painted is resin, pigment and additive；
The many aluminium powders of metallic paint, so look bright after completing；Opalescent lacquers is to add mica grain；Mica is very bright-colored effect.It is false
Metallic paint adds layer of varnish in this way, and paint looks to be exactly dazzling.
No matter which kind of automobile coating, in the prior art water-based automobile paint coating exist a big problem be that luster performance is difficult to
Improve, its glossiness (GB/T9754) of in the market water-based automobile paint on sale is generally below 90% (20 °).
The content of the invention
It is an object of the invention to provide a kind of excellent water-based automobile paint containing composite curing system of glossiness.
The technical scheme that the present invention is provided is：A kind of water-based automobile paint containing composite curing system, including following components：
Automobile coating water-based acrylic resin：20-25 parts by weight；
Composite curing agent：1-2 parts by weight；
Levelling agent：1-3 parts by weight；
Defoamer：1-2 parts by weight；
Deionized water：It is 50 parts by weight added to system gross weight；
Described composite curing agent is 1 by weight ratio:1 aziridine crosslinker and methyl diphenylene diisocyanate it is mixed
Compound.
Described levelling agent is polysiloxane polyether copolymer, and described defoamer is organic modified polyorganosiloxane.
In the above-mentioned water-based automobile paint containing composite curing system, described automobile coating is logical with water-based acrylic resin
Following steps are crossed to prepare：
Step 1：The deionized water of 2-3 parts by weight Emulsifier, 20-25 parts by weight is mixed, stirring obtains solvent phase；
Step 2：By the methyl methacrylate of 20-30 parts by weight, the styrene of 5-10 parts by weight, 10-15 parts by weight
Acrylic acid, the hydroxyethyl methacrylate of 5-10 parts by weight, the vinyl pyrrolidone of 3-5 parts by weight, the emulsification of 3-5 parts by weight
Agent, the initiator of 0.5-0.8 parts by weight are well mixed and obtain single phase；
Step 3：The single phase of step 2 is added drop-wise in step 1 in solvent phase, reaction temperature is controlled at 60-80 DEG C, be added dropwise
Time control is in 1-2h；1-2h is incubated after completion of dropwise addition；
Step 4：The pH value of the mixture system obtained by pH adjusting agent regulating step 3 is 6-7.
In the above-mentioned water-based automobile paint containing composite curing system, emulsification used in described step 1 and step 2
Agent is the mixture of neopelex or neopelex and sorbitan ester.
In the above-mentioned water-based automobile paint containing composite curing system, described initiator is azodiisobutyronitrile, idol
One kind in the different heptonitrile of nitrogen two, benzoyl peroxide.
In the above-mentioned water-based automobile paint containing composite curing system, described pH adjusting agent is ammoniacal liquor.
The beneficial effect of this programme is that its glossiness of the water-based automobile paint containing composite curing system of the invention exists
92% can be reached under conditions of 20 °.
Embodiment
With reference to embodiment, technical scheme is described in further detail, but not constituted pair
Any limitation of the present invention.
Embodiment 1：
A kind of water-based automobile paint containing composite curing system, including following components：
Automobile coating water-based acrylic resin：22 parts by weight；
Composite curing agent：1.5 parts by weight；
Levelling agent (polysiloxane polyether copolymer TEGO410)：2 parts by weight；
Defoamer (organic modified polyorganosiloxane TEGO900)：1.5 parts by weight；
Deionized water：It is 50 parts by weight added to system gross weight；
Described composite curing agent is 1 by weight ratio:1 aziridine crosslinker and methyl diphenylene diisocyanate it is mixed
Compound.
The preparation method of above-mentioned automobile coating water-based acrylic resin comprises the following steps：
Step 1：The deionized water of 2.5 parts by weight neopelexes, 22 parts by weight is mixed, stirring obtains solvent
Phase；
Step 2：By the methyl methacrylate of 25 parts by weight, the styrene of 7 parts by weight, the acrylic acid of 12 parts by weight, 7 weights
The hydroxyethyl methacrylate of amount part, the vinyl pyrrolidone of 4 parts by weight, 4 parts by weight neopelexes, 0.7 weight
The azodiisobutyronitrile of amount part is well mixed to obtain single phase；
Step 3：The single phase of step 2 is added drop-wise in step 1 in solvent phase, reaction temperature is controlled at 60-80 DEG C, be added dropwise
Time control is in 1.5h；1.5h is incubated after completion of dropwise addition；
Step 4：The pH value of the mixture system obtained by ammoniacal liquor regulating step 3 is 6-7.
Embodiment 2
A kind of water-based automobile paint containing composite curing system, including following components：
Automobile coating water-based acrylic resin：20 parts by weight；
Composite curing agent：2 parts by weight；
Levelling agent (polysiloxane polyether copolymer TEGO410)：3 parts by weight；
Defoamer (organic modified polyorganosiloxane TEGO900)：1 parts by weight；
Deionized water：It is 50 parts by weight added to system gross weight；
Described composite curing agent is 1 by weight ratio:1 aziridine crosslinker and methyl diphenylene diisocyanate it is mixed
Compound.
The preparation method of above-mentioned automobile coating water-based acrylic resin comprises the following steps：
Step 1：By 1 parts by weight neopelex, 1 parts by weight anhydrous sorbitol laurate, 25 parts by weight
Deionized water is mixed, and stirring obtains solvent phase；
Step 2：By the methyl methacrylate of 20 parts by weight, the styrene of 10 parts by weight, the acrylic acid of 10 parts by weight, 10
The hydroxyethyl methacrylate of parts by weight, the vinyl pyrrolidone of 5 parts by weight, 2 parts by weight neopelexes, 2 weights
Amount part anhydrous sorbitol laurate, the ABVN of 0.5-0.8 parts by weight are well mixed and obtain single phase；
Step 3：The single phase of step 2 is added drop-wise in step 1 in solvent phase, reaction temperature is controlled at 60-80 DEG C, be added dropwise
Time control is in 2h；1h is incubated after completion of dropwise addition；
Step 4：The pH value of the mixture system obtained by ammoniacal liquor regulating step 3 is 6-7.
Embodiment 3
A kind of water-based automobile paint containing composite curing system, including following components：
Automobile coating water-based acrylic resin：25 parts by weight；
Composite curing agent：1 parts by weight；
Levelling agent (polysiloxane polyether copolymer TEGO410)：1 parts by weight；
Defoamer (organic modified polyorganosiloxane TEGO900)：2 parts by weight；
Deionized water：It is 50 parts by weight added to system gross weight；
Described composite curing agent is 1 by weight ratio:1 aziridine crosslinker and methyl diphenylene diisocyanate it is mixed
Compound.
The preparation method of above-mentioned automobile coating water-based acrylic resin comprises the following steps：
Step 1：By 2 parts by weight neopelexes, 1 parts by weight sorbitan fatty acid ester, 20 parts by weight
Deionized water is mixed, and stirring obtains solvent phase；
Step 2：By the methyl methacrylate of 30 parts by weight, the styrene of 5 parts by weight, the acrylic acid of 15 parts by weight, 5 weights
The hydroxyethyl methacrylate of amount part, the vinyl pyrrolidone of 3 parts by weight, 5 parts by weight neopelexes, 0.8 weight
The benzoyl peroxide of amount part is well mixed to obtain single phase；
Step 3：The single phase of step 2 is added drop-wise in step 1 in solvent phase, reaction temperature is controlled at 60-80 DEG C, be added dropwise
Time control is in 1h；2h is incubated after completion of dropwise addition；
Step 4：The pH value of the mixture system obtained by ammoniacal liquor regulating step 3 is 6-7.
Embodiment 1-3 water-based automobile paints are handled coating using conventional spraying baking method, obtaining thickness is
100-110 microns of coating, coating hardness (GB/T1730-93) is more than 2H, and glossiness (GB/T9754) is 92-93% at 20 °.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (6)
1. a kind of water-based automobile paint containing composite curing system, it is characterised in that：Including following components：
Automobile coating water-based acrylic resin：20-25 parts by weight；
Composite curing agent：1-2 parts by weight；
Levelling agent：1-3 parts by weight；
Defoamer：1-2 parts by weight；
Deionized water：It is 50 parts by weight added to system gross weight；
Described composite curing agent is 1 by weight ratio:The mixing of 1 aziridine crosslinker and methyl diphenylene diisocyanate
Thing.
2. the water-based automobile paint according to claim 1 containing composite curing system, it is characterised in that described levelling agent
For polysiloxane polyether copolymer, described defoamer is organic modified polyorganosiloxane.
3. the water-based automobile paint according to claim 1 containing composite curing system, it is characterised in that described automobile coating
Prepared with water-based acrylic resin by following steps：
Step 1：The deionized water of 2-3 parts by weight Emulsifier, 20-25 parts by weight is mixed, stirring obtains solvent phase；
Step 2：By the methyl methacrylate of 20-30 parts by weight, the styrene of 5-10 parts by weight, 10-15 parts by weight propylene
Acid, the hydroxyethyl methacrylate of 5-10 parts by weight, the vinyl pyrrolidone of 3-5 parts by weight, 3-5 parts by weight Emulsifier,
The initiator of 0.5-0.8 parts by weight is well mixed to obtain single phase；
Step 3：The single phase of step 2 is added drop-wise in step 1 in solvent phase, reaction temperature is controlled in 60-80 DEG C, time for adding
Control is in 1-2h；1-2h is incubated after completion of dropwise addition；
Step 4：The pH value of the mixture system obtained by pH adjusting agent regulating step 3 is 6-7.
4. the water-based automobile paint according to claim 2 containing composite curing system, it is characterised in that：Described step 1
With the mixing of emulsifying agent used in step 2 for neopelex or neopelex and sorbitan ester
Thing.
5. the water-based automobile paint according to claim 2 containing composite curing system, it is characterised in that：Described initiator
For one kind in azodiisobutyronitrile, ABVN, benzoyl peroxide.
6. the water-based automobile paint according to claim 2 containing composite curing system, it is characterised in that：Described pH regulations
Agent is ammoniacal liquor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100694711 | 2017-02-08 | ||
| CN201710069471 | 2017-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106947350A true CN106947350A (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710229418.3A Pending CN106947350A (en) | 2017-02-08 | 2017-04-10 | A kind of water-based automobile paint containing composite curing system |
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| Country | Link |
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| CN (1) | CN106947350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880421A (en) * | 2019-03-06 | 2019-06-14 | 兴义市漆号馆汽车服务有限公司 | A kind of corrosion resistant type water-based automobile paint and its processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049405A1 (en) * | 1998-02-23 | 2001-12-06 | Therma-Tru Corporation | Weatherable coating and stain system for thermoset or thermoplastic composite surfaces |
| CN1637062A (en) * | 2003-12-19 | 2005-07-13 | 株式会社日本触媒 | Acrylic resin composition dispersed in water |
| CN102070863A (en) * | 2010-12-15 | 2011-05-25 | 中国科学技术大学 | Antifouling material and application thereof |
| CN103540217A (en) * | 2013-10-08 | 2014-01-29 | 广东雅图化工有限公司 | Aziridine crosslinked acrylate resin two-component water-based automobile coating and preparation method thereof |
| CN104762008A (en) * | 2014-01-06 | 2015-07-08 | 中国科学院化学研究所 | Two-component waterborne wear-resisting and low-ice-adhesion anti-icing coating and coating layer, and preparation methods and applications thereof |
-
2017
- 2017-04-10 CN CN201710229418.3A patent/CN106947350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049405A1 (en) * | 1998-02-23 | 2001-12-06 | Therma-Tru Corporation | Weatherable coating and stain system for thermoset or thermoplastic composite surfaces |
| CN1637062A (en) * | 2003-12-19 | 2005-07-13 | 株式会社日本触媒 | Acrylic resin composition dispersed in water |
| CN102070863A (en) * | 2010-12-15 | 2011-05-25 | 中国科学技术大学 | Antifouling material and application thereof |
| CN103540217A (en) * | 2013-10-08 | 2014-01-29 | 广东雅图化工有限公司 | Aziridine crosslinked acrylate resin two-component water-based automobile coating and preparation method thereof |
| CN104762008A (en) * | 2014-01-06 | 2015-07-08 | 中国科学院化学研究所 | Two-component waterborne wear-resisting and low-ice-adhesion anti-icing coating and coating layer, and preparation methods and applications thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880421A (en) * | 2019-03-06 | 2019-06-14 | 兴义市漆号馆汽车服务有限公司 | A kind of corrosion resistant type water-based automobile paint and its processing method |
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| PB01 | Publication | ||
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Application publication date: 20170714 |