CN104293074A - Alcohol acid modified crylic acid resin coating and synthesis method thereof - Google Patents
Alcohol acid modified crylic acid resin coating and synthesis method thereof Download PDFInfo
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- CN104293074A CN104293074A CN201410470165.5A CN201410470165A CN104293074A CN 104293074 A CN104293074 A CN 104293074A CN 201410470165 A CN201410470165 A CN 201410470165A CN 104293074 A CN104293074 A CN 104293074A
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- alkyd
- resin coating
- dicumyl peroxide
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
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- Paints Or Removers (AREA)
Abstract
The invention discloses an alcohol acid modified crylic acid resin coating and a synthesis method thereof, belonging to the field of automobile repairing and anti-corrosion paint. The synthesis method comprises the following steps: feeding a component A (including 431.4% of an alcohol acid midbody, 135% of methylbenzene and 90% of n-butyl acetate) into a reaction kettle, stirring, introducing nitrogen, and heating to achieve the backflow temperature of 110-120 DEG C; adding a component B (including 17.3% of ethyl methacrylate, 8.6% of butyl propionate, 26.8% of methyl methacrylate, 30% of peroxidized isopropylbenzene and 249.3% of styrene) into an elevated tank, uniformly mixing, keeping the backflow temperature, dropwise adding the components into the reaction kettle completely within 40 minutes, and carrying out heat preservation for 4 hours; and replenishing a component C (including 1% of dicumyl peroxide and 10% of methylbenzene) into the reaction kettle, carrying out heat preservation for 1 hour, cooling, adding a component D (243% of coarse xylene), and diluting, thereby obtaining the alcohol acid modified crylic acid resin coating. The alcohol acid modified crylic acid resin coating disclosed by the invention has the characteristics of relatively good fullness and rapid construction dryness and is applicable to popularization and application in the industry.
Description
Technical field
The present invention relates to car repair, antifouling paste field, be specifically related to a kind of alkyd modified acrylic resin paint and synthetic method thereof.
Background technology
Acrylic resin does not occur crosslinked further in film process, therefore its relative molecular weight is larger, there is good guarantor's light tint retention, water-fast chemical resistant properties, fast drying, easy construction, be easy to construction recoat and do over again, preparing the whiteness of aluminium powder during aluminium powder paint, polarization is good.Thermoplastic acrylic resin is widely used in fields such as automobile, electrical equipment, machinery, buildings.But conventional acrylic resin cost is higher, and alcohol resistance can be poor, and resistance to corrosion is low, limits the occasion of application.And the car refinishing paint prepared with common Hydroxylated acrylic resin or antifouling paste, often can be in harmonious proportion uneven, and resistance to corrosion is poor, fullness ratio is poor in addition; And more existing car refinishing paints and antifouling paste, major part directly adopts bi-component acrylic monomer synthesize, and the car refinishing paint adopting similar fashion to synthesize and antifouling paste fullness ratio poor, sight is not good.
Application number is in the Chinese patent of " 201210480381.9 ", discloses the patent of invention that name is called " a kind of environment-friendly water-based pair of component car refinishing paint varnish and preparation method thereof ".This varnish comprises following component and weight percentage: A component: water-base resin 50 ~ 70%, water-based defoamer 0.1 ~ 2.0%, water-based thickener 0.5 ~ 4.0%, water-based flow agent 1 ~ 3%, solubility promoter 1 ~ 8%, aqueous wetting agent 0.1 ~ 2% and deionized water 2 ~ 10%; B component: water-based polyisocyanate ester dispersion 15% ~ 25%, solvent 2% ~ 7%.Compared with prior art, the present invention has the advantages such as harmless, environmental protection.But adopt the varnish that the method manufacture obtains, fullness ratio is not good, and anti-corrosion capability is poor, and after construction, rate of drying is excessively slow.
Application number is in the Chinese patent of " 201310282839.4 ", disclose the patent of invention that name is called " alkyd modified vinylformic acid High weatherability emulsion ", its material composition is as follows: water 30-38 part, ACRYLIC EMULSION 120-130 part, dryness modified alkyd resin 10-15 part, polyacrylic acid grafted polymer-modified PAA-L0.2-0.5 part, wetting agent Hydropalat 306 0.5-1 part, defoamer JY-8220.1-0.2 part, sanitas DL702 1-1.5 part, oxidation inhibitor CYANOX1790 0.1-0.2 part, silicon powder 10-20 part, talcum powder 20-25 part, titanium dioxide 15-20 part, Natvosol 5-10 part, dibutyl tin laurate 5-7 part, maleic acid dibutylester 0.5-0.8 part, propandiol butyl ether 3-5 part.Coating of the present invention has stronger ageing resistance, and the number of times of resistance to brush, more than 1000 times, is widely used in building external paint, but to paint fullness ratio poor in the present invention, and after construction, rate of drying is slower.
Summary of the invention
The invention discloses a kind of alkyd modified acrylic resin paint and synthetic method thereof, to solve existing car refinishing paint, to there is fullness ratio poor, and sight is poor, the problem that after construction, rate of drying is slower, have fullness ratio better, the feature of construction fast drying, is adapted at industry and promotes the use of.
A kind of alkyd modified acrylic resin paint, comprise following feed composition (by weight percentage): component A (alkyd intermediate 431.4, toluene 135, N-BUTYL ACETATE 90), B component (β-dimethyl-aminoethylmethacrylate 17.3, the third butyl ester 8.6, methyl methacrylate 26.8, dicumyl peroxide 30, vinylbenzene 249.3) and component C (dicumyl peroxide 1, toluene 10), D component (thick dimethylbenzene 243);
Wherein, described alkyd intermediate is made up of (by weight percentage) following feed composition: component E (lauric acid 26.2, cis-butenedioic anhydride 10, phthalic anhydride 214, three hydroxyls 155, tetramethylolmethane (95%) 75, tricresyl phosphite phenylate 1 and thick dimethylbenzene 40).
A synthetic method for alkyd modified acrylic resin paint, comprises following processing step:
(1) component A (alkyd intermediate 431.4, toluene 135, N-BUTYL ACETATE 90) is put in reactor, open stirring, and pass into nitrogen, temperature is risen to reflux temperature 110-120 DEG C;
(2) by B component (β-dimethyl-aminoethylmethacrylate 17.3, the third butyl ester 8.6, methyl methacrylate 26.8, dicumyl peroxide 30, vinylbenzene 249.3) be added in header tank, mix, keep reflux temperature, and be added dropwise to complete in reactor in 40min, be incubated 4 hours;
(3) add component C (dicumyl peroxide 1, toluene 10) to reactor, and be incubated 1 hour, cooling;
(4) D component (thick dimethylbenzene 243) latting drown is added.
Further, the synthesis technique of described alkyd intermediate is as follows:
(1) by lauric acid 26.2, cis-butenedioic anhydride 10, phthalic anhydride 214, three hydroxyls 155, tetramethylolmethane (95%) 75, tricresyl phosphite phenylate 1 and thick dimethylbenzene 40 drop in reactor, and pass into nitrogen, are warming up to 165-185 degree, recycling effluent, are incubated 2 hours;
(2) be warming up to 192-198 degree, be incubated sampling in 2 hours, detect acid number, detected 1 time every 1 hour, when acid number≤20, detect once every half an hour, when acid number≤17, cooling latting drown.
The characteristic of the cold coating prepared is as follows:
Outward appearance: water-white is transparent; Color and luster :≤1 solid part: 63 ± 2 acid numbers: 4-10
Viscosity: 4000-8000cps/25 DEG C
The technical indicator of alkyd intermediate is as follows:
NV:70% ± 1 viscosity: 2500-4500cps/25 DEG C acid number: 11-16
The invention has the advantages that: by the alkyd prepared intermediate is added in bi-component acrylic monomer, synthetic resin coating, solid part of coating is obviously increased, therefore, the fullness ratio of paint is better, after construction, the dryness of paint is very fast, and Corrosion Protection also improves significantly.
Embodiment
The invention discloses a kind of alkyd modified acrylic resin paint and synthetic method thereof, to solve existing car refinishing paint, to there is fullness ratio poor, and sight is poor, the problem that after construction, rate of drying is slower, have fullness ratio better, the feature of construction fast drying, is adapted at industry and promotes the use of.
Be clearly and completely described to the technical scheme in the present invention below, obviously, described is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Raw material used in following examples is commercially available, and in case of no particular description, unit is (kg):
Embodiment 1
Wherein, the concrete proportioning of intermediate is as follows:
Construction technology is as follows:
(1) component A (alkyd intermediate 431.4, toluene 135, N-BUTYL ACETATE 90) is put in reactor, open stirring, and pass into nitrogen, temperature is risen to reflux temperature 115 DEG C;
(2) by B component (β-dimethyl-aminoethylmethacrylate 17.3, the third butyl ester 8.6, methyl methacrylate 26.8, dicumyl peroxide 30, vinylbenzene 249.3) be added in header tank, mix, keep reflux temperature, and be added dropwise to complete in reactor in 40min, be incubated 4 hours;
(3) add component C (dicumyl peroxide 1, toluene 10) to reactor, and be incubated 1 hour, cooling;
(4) D component (thick dimethylbenzene 243) latting drown is added.
The synthesis technique of intermediate is as follows:
(1) by lauric acid 26.2, cis-butenedioic anhydride 10, phthalic anhydride 214, three hydroxyls 155, tetramethylolmethane (95%) 75, tricresyl phosphite phenylate 1 and thick dimethylbenzene 40 drop in reactor, and pass into nitrogen, are warming up to 170 degree, recycling effluent, are incubated 2 hours;
(2) be warming up to 195 degree, be incubated sampling in 2 hours, detect acid number, detected 1 time every 1 hour, when acid number≤20, detect once every half an hour, when acid number≤17, cooling latting drown.
The characteristic of the cold coating prepared is as follows:
Outward appearance: water-white is transparent; Color and luster :≤1 solid part: 65 acid numbers: 8
Viscosity: 6500cps/25 DEG C
The technical indicator of alkyd intermediate is as follows:
NV:70% ± 1 viscosity: 2500-4500cps/25 DEG C acid number: 12
The invention has the advantages that: by the alkyd prepared intermediate is added in bi-component acrylic monomer, synthetic resin coating, solid part of coating is obviously increased, therefore, the fullness ratio of paint is better, after construction, the dryness of paint is very fast, and Corrosion Protection also improves significantly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. an alkyd modified acrylic resin paint, it is characterized in that, comprise following feed composition (by weight percentage): component A (alkyd intermediate 431.4, toluene 135, N-BUTYL ACETATE 90), B component (β-dimethyl-aminoethylmethacrylate 17.3, third butyl ester 8.6, methyl methacrylate 26.8, dicumyl peroxide 30, vinylbenzene 249.3) and component C (dicumyl peroxide 1, toluene 10), D component (thick dimethylbenzene 243);
Wherein, described alkyd intermediate is made up of (by weight percentage) following feed composition: component E (lauric acid 26.2, cis-butenedioic anhydride 10, phthalic anhydride 214, three hydroxyls 155, tetramethylolmethane (95%) 75, tricresyl phosphite phenylate 1 and thick dimethylbenzene 40).
2. a synthetic method for alkyd modified acrylic resin paint, is characterized in that, comprises following processing step:
(1) component A (alkyd intermediate 431.4, toluene 135, N-BUTYL ACETATE 90) is put in reactor, open stirring, and pass into nitrogen, temperature is risen to reflux temperature 110-120 DEG C;
(2) by B component (β-dimethyl-aminoethylmethacrylate 17.3, the third butyl ester 8.6, methyl methacrylate 26.8, dicumyl peroxide 30, vinylbenzene 249.3) be added in header tank, mix, keep reflux temperature, and be added dropwise to complete in reactor in 40min, be incubated 4 hours;
(3) add component C (dicumyl peroxide 1, toluene 10) to reactor, and be incubated 1 hour, cooling;
(4) D component (thick dimethylbenzene 243) latting drown is added.
3. the synthetic method of a kind of alkyd modified acrylic resin paint according to claim 1, is characterized in that, the synthesis technique of described alkyd intermediate is as follows:
(1) by lauric acid 26.2, cis-butenedioic anhydride 10, phthalic anhydride 214, three hydroxyls 155, tetramethylolmethane (95%) 75, tricresyl phosphite phenylate 1 and thick dimethylbenzene 40 drop in reactor, and pass into nitrogen, are warming up to 165-185 degree, recycling effluent, are incubated 2 hours;
(2) be warming up to 192-198 degree, be incubated sampling in 2 hours, detect acid number, detected 1 time every 1 hour, when acid number≤20, detect once every half an hour, when acid number≤17, cooling latting drown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470165.5A CN104293074A (en) | 2014-09-16 | 2014-09-16 | Alcohol acid modified crylic acid resin coating and synthesis method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470165.5A CN104293074A (en) | 2014-09-16 | 2014-09-16 | Alcohol acid modified crylic acid resin coating and synthesis method thereof |
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| CN104293074A true CN104293074A (en) | 2015-01-21 |
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| CN201410470165.5A Pending CN104293074A (en) | 2014-09-16 | 2014-09-16 | Alcohol acid modified crylic acid resin coating and synthesis method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777749A (en) * | 2020-07-06 | 2020-10-16 | 华伦纳路新材料有限公司 | Acrylic acid modified waterborne baking varnish alkyd resin and preparation method thereof |
| CN115850567A (en) * | 2023-03-03 | 2023-03-28 | 雅涂科技(张家港)有限公司 | Preparation method and application of high-molecular acrylic acid modified defoaming agent |
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| CN101955721A (en) * | 2010-09-17 | 2011-01-26 | 天津灯塔涂料工业发展有限公司 | Quick-dry type acrylic modified alkyd paint and preparation method thereof |
| CN102660005A (en) * | 2012-05-08 | 2012-09-12 | 新疆红山涂料有限公司 | Preparation method of acrylic modified alkyd resin |
| CN103145963A (en) * | 2013-02-22 | 2013-06-12 | 嘉宝莉化工集团股份有限公司 | Modified alkyd resin, preparation method thereof and two-component glossy white finish |
-
2014
- 2014-09-16 CN CN201410470165.5A patent/CN104293074A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955721A (en) * | 2010-09-17 | 2011-01-26 | 天津灯塔涂料工业发展有限公司 | Quick-dry type acrylic modified alkyd paint and preparation method thereof |
| CN102660005A (en) * | 2012-05-08 | 2012-09-12 | 新疆红山涂料有限公司 | Preparation method of acrylic modified alkyd resin |
| CN103145963A (en) * | 2013-02-22 | 2013-06-12 | 嘉宝莉化工集团股份有限公司 | Modified alkyd resin, preparation method thereof and two-component glossy white finish |
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| 《涂料工业用原材料技术标准汇编》编写组: "《涂料工业用原材料技术标准汇编》", 31 July 1983 * |
| 代少俊 等: "《涂料与黏合剂》", 30 August 2014 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777749A (en) * | 2020-07-06 | 2020-10-16 | 华伦纳路新材料有限公司 | Acrylic acid modified waterborne baking varnish alkyd resin and preparation method thereof |
| CN115850567A (en) * | 2023-03-03 | 2023-03-28 | 雅涂科技(张家港)有限公司 | Preparation method and application of high-molecular acrylic acid modified defoaming agent |
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Application publication date: 20150121 |