CN105418833A - Acrylic resin used for high-solid-content stoving varnish and preparation method thereof - Google Patents
Acrylic resin used for high-solid-content stoving varnish and preparation method thereof Download PDFInfo
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- CN105418833A CN105418833A CN201510986050.6A CN201510986050A CN105418833A CN 105418833 A CN105418833 A CN 105418833A CN 201510986050 A CN201510986050 A CN 201510986050A CN 105418833 A CN105418833 A CN 105418833A
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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
- 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
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- 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
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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
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
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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
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- 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
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
Abstract
The invention provides a preparation method of acrylic resin used for high-solid-content stoving varnish. The acrylic resin includes, by weight, 18-22% of a solvent, 0.2-2% of a carboxyl monomer, 10-30% of a hard monomer, 15-35% of a soft monomer, 5-10% of a hydroxyl acrylic monomer, 10-20% of glycidyl tertiary carboxylic ester and 2-8% of an initiator. The acrylic resin is more than 80% in solid content, is low in viscosity and is concentrated in molecular weight distribution. In application of spray coating on automobiles, the acrylic resin is free of addition of a solvent for dilution, is low in VOC content which satisfies national standard of emission standard of VOC content in coatings and has wide application in the field of automobile spray coating.
Description
Technical field
The present invention relates to acrylic coating field, be specifically related to a kind of high solid baking vanish acrylic resin and preparation method thereof.
Background technology
Along with the collection of the increasingly strict of environmental requirement in global range and the domestic VOC excise, new demand is proposed to traditional coating product.In this case, how to improve the weather resistance of coating, improve its acid resistance and gloss retention, the friendly coating of development environment and application techniques, reduction production and the volatile organic compounds in constructing, production cost is rationalized, becomes the design centre of domestic and international most of coating and resin development person.
At present, water-borne coatings, powder coating and high solid coating direction is mainly contained for the research direction reducing coating VOC discharge both at home and abroad.Water-borne coatings product is not owing to containing organic solvent, VOC content is low, using water as solvent, save ample resources, and have directly can apply the advantages such as construction in wet structure and wet environment, but by the restriction of itself preparating mechanism, the resistance to medium of film and hardness are difficult to meet the need of market according to a conventional method.
Powder coating is a kind of novel not solvent-laden 100% solid powdery coating, there is solvent-free, pollution-free (not containing VOC), recyclable, environmental protection, the saving energy and resource, reduce labor intensity and film physical strength advantages of higher, but powder coating is when practical application, after there is powder heterogeneity on corner, solidification, paint film defect is difficult to hide the weak point such as lid, condition of cure height.
Along with the further strengthening of Law on Environmental Protection and the raising of coating manufacturing technology, high solid coating arises at the historic moment.High solid coating relies on effective crosslinking reaction in varnish formation process, ensure that coating quality reaches the level or higher of thermoset solvent based coating, thus reach the performance of conventional coatings, and VOC content is low, meets the standard that country discharges coating VOC.High solid coating is mainly used in automotive industry, due to the continuity of low-temperature bake and equipment, uses and have extraordinary effect in car refinishing paint, and therefore high solid coating occupies very large ratio in the finish paint of car and floating coat use.But, preparation method's also rare report of high solid coating.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of preparation method of high solid baking vanish acrylic resin, solid content is greater than 80%, there is excellent water tolerance, acid resistance, VOC content is low, meets the emission standard of country to coating VOC, can be widely used in the field such as automobile finish, metallic paint.
In order to realize technical purpose of the present invention, the present invention adopts following technical scheme.
A kind of high solid baking vanish acrylic resin, by weight percentage, be made up of the initiator of the soft monomer of the hard monomer of the carboxylic monomer of the solvent of 18%-22%, 0.2%-2%, 10%-30%, 15%-35%, the acrylate monomers of 5%-10%, the tertiary carbonic acid glycidyl ester of 10%-20% and 2%-8%.
Preferably, described solvent is dimethylbenzene, one or more in butanone, methylethylketone, N-BUTYL ACETATE, toluene mix with arbitrary proportion.
Preferably, described carboxylic monomer is vinylformic acid, one or more in methacrylic acid, fumaric acid, methylene-succinic acid mix with arbitrary proportion.
Preferably, described hard monomer is methyl methacrylate, one or more in vinylbenzene, isobornyl methacrylate mix with arbitrary proportion.
Preferably, described soft monomer is butyl acrylate, one or both in Isooctyl acrylate monomer mix with arbitrary proportion.
Preferably, described acrylate monomers is Hydroxyethyl acrylate, one or more in Propylene glycol monoacrylate, hydroxyethyl methylacrylate, Rocryl 410 mix with arbitrary proportion.
Preferably, the epoxy equivalent (weight) of described tertiary carbonic acid glycidyl ester is 235-245.
Preferably, described initiator is 3, one or more in 5,5-tri-methyl hexanoic acid t-butylperbenzoate, the peroxidation-2-ethyl acid tert-butyl ester, peroxidized t-butyl perbenzoate, benzoyl peroxide, di-t-butyl peroxide, di t-amyl peroxide, dicumyl peroxide mix with arbitrary proportion.
Accordingly, a kind of preparation method of high solid baking vanish acrylic resin, step is as follows:
A () is got the raw materials ready: join in monomer tank A by proportioning by carboxylic monomer, hard monomer, soft monomer and acrylate monomers, initiator is joined in another monomer tank B, after stirring, cool to 10-35 DEG C, solvent and tertiary carbonic acid glycidyl ester are joined in reactor, stirs;
B () nitrogen replacement: sealed reactor, vacuumizes and discharges air in reactor, then be depressed into normal pressure again with nitrogen, again vacuumize rear nitrogen and be depressed into normal pressure again;
C () is reacted: heat up and start reaction, under whipped state, be added drop-wise in reactor by the mix monomer in monomer tank A together with the initiator in monomer tank B, drip rear continuation and be incubated 2-4 hour at such a temperature.
Preferably, in described step (c), temperature of reaction is 140 DEG C-180 DEG C, and reaction pressure is 0.02MPa-0.1MPa, and the time for adding of described mix monomer or initiator is 4-8 hour.
The present invention carries out modification by adopting tertiary carbonic acid glycidyl ester to resin, by controlling the molecular weight and molecualr weight distribution of resin in reaction process, reduces resin viscosity.Tertiary carbonic acid glycidyl ester, owing to having lower surface active properties, obviously can improve the wetting levelling property of resin, promote the polyreaction between each monomer.Tertiary carbonic acid glycidyl ester is also as reaction bed material simultaneously, under the effect of initiator, and there is crosslinking reaction between each monomer, the tertiary carbonic acid glycidyl ester do not transformed completely can serve as the effect of solvent, reduce the viscosity of High solids Acrylic Resin, decrease the content of VOC in High solids Acrylic Resin simultaneously.Adopt stress reaction method, obtained High solids Acrylic Resin has the characteristic that viscosity is low, molecular weight distribution is narrower.
The invention has the beneficial effects as follows: the present invention compared with prior art, a kind of high solid baking vanish acrylic resin provided by the invention, while maintenance resin solid part content is greater than 80%, resin viscosity is at below 3000mPas, there is lower viscosity, in the actual use procedure of car paint spraying, only need add a small amount of solvent cut, contained VOC content is low, meets the emission standard of country to coating VOC content.
Embodiment
For a better understanding of the present invention, below in conjunction with embodiment, invention is described in detail.
Embodiment 1:
By mass percentage, by the vinylformic acid of 0.2%, 5% methyl methacrylate, 5% vinylbenzene, the butyl acrylate of 35%, the Hydroxyethyl acrylate of 4% and 6% Propylene glycol monoacrylate join in monomer tank A, by 6.8% 3,5,5-tri-methyl hexanoic acid t-butylperbenzoate joins in monomer tank B, after stirring, logical cooling water temperature to 35 DEG C, stand-by.By the dimethylbenzene of 10%, the butanone of 8% and 20% tertiary carbonic acid glycidyl ester join in reactor, sealed reactor, vacuumizes the air of discharging in reactor, is then depressed into normal pressure again with nitrogen, after being again evacuated to 0.07-0.09MPa, be depressed into normal pressure again with nitrogen.Open stirring, after stirring, reactor is warming up to 140 DEG C, keep reacting kettle inner pressure between 0.02-0.1MPa, start to drip the reactant in A, B monomer tank, time for adding is 8 hours simultaneously, drip rear continuation reaction 2 hours, cooling down, filters with 10 microns or following specification filter bags, detects qualified rear products obtained therefrom and is the baking vanish of high solid described in the present invention acrylic resin.
Embodiment 2:
By mass percentage, by the vinylformic acid of 0.4%, the methacrylic acid of 0.4%, the methyl methacrylate of 5%, the vinylbenzene of 5%, the isobornyl methacrylate of 10%, the Isooctyl acrylate monomer of 30%, the hydroxyethyl methylacrylate of 3% and the Rocryl 410 of 2% join in monomer tank A, by the peroxidation-2-ethyl acid tert-butyl ester of 1%, the peroxidized t-butyl perbenzoate of 1.5%, the benzoyl peroxide of 1.2%, the di-t-butyl peroxide of 0.5% and the di t-amyl peroxide of 1% join in monomer tank B, after stirring, logical cooling water temperature to 20 DEG C, stand-by.By the dimethylbenzene of 5%, 3% butanone, 3% methylethylketone, the N-BUTYL ACETATE of 5%, the toluene of 3% and 20% tertiary carbonic acid glycidyl ester join in reactor, sealed reactor, vacuumize the air of discharging in reactor, then normal pressure is depressed into again with nitrogen, after being again evacuated to 0.07-0.09MPa, be depressed into normal pressure again with nitrogen.Open stirring, after stirring, reactor is warming up to 150 DEG C, keep reacting kettle inner pressure between 0.02-0.1MPa, start to drip the reactant in A, B monomer tank, time for adding is 6 hours simultaneously, drip rear continuation reaction 3 hours, cooling down, filters with 10 microns or following specification filter bags, detects qualified rear products obtained therefrom and is the baking vanish of high solid described in the present invention acrylic resin.
Embodiment 3:
By mass percentage, by the vinylformic acid of 0.2%, 0.5% methacrylic acid, 0.3% fumaric acid, 0.5% methylene-succinic acid, 30% methyl methacrylate, the butyl acrylate of 5%, the Isooctyl acrylate monomer of 10% and 10% Hydroxyethyl acrylate join in monomer tank A, by 2% 3,5,5-tri-methyl hexanoic acid t-butylperbenzoate, the peroxidized t-butyl perbenzoate of 4% and the dicumyl peroxide of 2% join in monomer tank B, after stirring, logical cooling water temperature to 10 DEG C, stand-by.By the methylethylketone of 10%, the N-BUTYL ACETATE of 5%, the toluene of 5% and 15.5% tertiary carbonic acid glycidyl ester join in reactor, sealed reactor, vacuumizes the air of discharging in reactor, is then depressed into normal pressure again with nitrogen, after being again evacuated to 0.07-0.09MPa, be depressed into normal pressure again with nitrogen.Open stirring, after stirring, reactor is warming up to 170 DEG C, keep reacting kettle inner pressure between 0.02-0.1MPa, start to drip the reactant in A, B monomer tank, time for adding is 4 hours simultaneously, drip rear continuation reaction 4 hours, cooling down, filters with 10 microns or following specification filter bags, detects qualified rear products obtained therefrom and is the baking vanish of high solid described in the present invention acrylic resin.
Embodiment 4:
By mass percentage, by the vinylformic acid of 1%, 1% fumaric acid, 30% isobornyl methacrylate, 15% butyl acrylate, 14% Isooctyl acrylate monomer, the Propylene glycol monoacrylate of 3%, the hydroxyethyl methylacrylate of 1% and 1% Rocryl 410 join in monomer tank A, the dicumyl peroxide of 1% and the benzoyl peroxide of 1% are joined in monomer tank B, after stirring, logical cooling water temperature to 15 DEG C, stand-by.The toluene of 22% and the tertiary carbonic acid glycidyl ester of 10% are joined in reactor, sealed reactor, vacuumize the air of discharging in reactor, be then depressed into normal pressure again with nitrogen, after being again evacuated to 0.07-0.09MPa, be depressed into normal pressure again with nitrogen.Open stirring, after stirring, reactor is warming up to 180 DEG C, keep reacting kettle inner pressure between 0.02-0.1MPa, start to drip the reactant in A, B monomer tank, time for adding is 4 hours simultaneously, drip rear continuation reaction 2 hours, cooling down, filters with 10 microns or following specification filter bags, detects qualified rear products obtained therefrom and is the baking vanish of high solid described in the present invention acrylic resin.
As shown in table 1 to the High solids Acrylic Resin performance test results prepared by embodiment 1-4.
High solid baking vanish acrylic resin performance test results prepared by table 1 embodiment 1-4
| Technical indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Outward appearance | Water-white transparent liquid | Water-white transparent liquid | Water-white transparent liquid | Water-white transparent liquid |
| Color (Pt-Co) | ≤20# | ≤20# | ≤20# | ≤20# |
| Viscosity/mPa.s | 2500 | 3000 | 2700 | 2100 |
| Admittedly contain | 82.1 | 84.9 | 82.7 | 80.4 |
| Acid value | 2.0 | 4.4 | 8.0 | 10.0 |
Can obviously find out according to upper table data, a kind of high solid baking vanish acrylic resin provided by the invention, 80% is greater than at maintenance resin solid part content, resin viscosity is at below 3000mPas simultaneously, there is lower viscosity, in the actual use procedure of car paint spraying, only need add a small amount of solvent cut, contained VOC content is low, meets the emission standard of country to coating VOC content.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (10)
1. a high solid baking vanish acrylic resin, it is characterized in that: by weight percentage, be made up of the initiator of the soft monomer of the hard monomer of the carboxylic monomer of the solvent of 18%-22%, 0.2%-2%, 10%-30%, 15%-35%, the acrylate monomers of 5%-10%, the tertiary carbonic acid glycidyl ester of 10%-20% and 2%-8%.
2. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: described solvent is one or more in dimethylbenzene, butanone, methylethylketone, N-BUTYL ACETATE, toluene.
3. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: described carboxylic monomer is one or more in vinylformic acid, methacrylic acid, fumaric acid, methylene-succinic acid.
4. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: described hard monomer is one or more in methyl methacrylate, vinylbenzene, isobornyl methacrylate.
5. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: described soft monomer is one or both in butyl acrylate, Isooctyl acrylate monomer.
6. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: described acrylate monomers is one or more in Hydroxyethyl acrylate, Propylene glycol monoacrylate, hydroxyethyl methylacrylate, Rocryl 410.
7. a kind of high solid baking vanish acrylic resin according to claim 1, is characterized in that: the epoxy equivalent (weight) of described tertiary carbonic acid glycidyl ester is 235-245.
8. a kind of high solid baking vanish acrylic resin according to claim 1, it is characterized in that: described initiator is 3, one or more in 5,5-tri-methyl hexanoic acid t-butylperbenzoate, the peroxidation-2-ethyl acid tert-butyl ester, peroxidized t-butyl perbenzoate, benzoyl peroxide, di-t-butyl peroxide, di t-amyl peroxide, dicumyl peroxide.
9. a preparation method for the high solid baking vanish acrylic resin as described in claim 1-8, adopts following steps:
A () is got the raw materials ready: join in monomer tank A by proportioning by carboxylic monomer, hard monomer, soft monomer and acrylate monomers, initiator is joined in another monomer tank B, after stirring, cool to 10-35 DEG C, solvent and tertiary carbonic acid glycidyl ester are joined in reactor, stirs;
B () nitrogen replacement: sealed reactor, vacuumizes and discharges air in reactor, then be depressed into normal pressure again with nitrogen, again vacuumize rear nitrogen and be depressed into normal pressure again;
C () is reacted: heat up and start reaction, under whipped state, be added drop-wise in reactor by the mix monomer in monomer tank A together with the initiator in monomer tank B, drip rear continuation and be incubated 2-4 hour at such a temperature.
10. method according to claim 9, is characterized in that: in described step (c), temperature of reaction is 140 DEG C-180 DEG C, and reaction pressure is 0.02MPa-0.1MPa, and the time for adding of described mix monomer or initiator is 4-8 hour.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108912988A (en) * | 2017-08-30 | 2018-11-30 | 山东科耀化工有限公司 | High solid low viscosity Hydroxylated acrylic resin, preparation method and vehicle baking finish |
| CN109400797A (en) * | 2018-09-19 | 2019-03-01 | 江苏三木化工股份有限公司 | A kind of High performance industrial baking vanish acrylic resin and preparation method thereof |
| CN109575181A (en) * | 2018-11-22 | 2019-04-05 | 韶关市合众化工有限公司 | It is a kind of for preparing the preparation method of coating plated item baking vanish acrylic resin |
| CN109722154A (en) * | 2018-12-26 | 2019-05-07 | 南京长江涂料有限公司 | A kind of car repair aqueous polyurethane metal flash paint and preparation method thereof |
| CN110003366A (en) * | 2019-04-10 | 2019-07-12 | 泰兴盛嘉树脂有限公司 | A kind of preparation method that the E-10P that can reduce resin color is acrylic resin modified |
| CN111363080A (en) * | 2020-04-23 | 2020-07-03 | 浙江传化涂料有限公司 | Polyacrylate, preparation method thereof and coating |
| CN114369199A (en) * | 2022-01-28 | 2022-04-19 | 重庆毂运科技有限公司 | High-solid acrylic resin and preparation method thereof |
| CN114891154A (en) * | 2022-06-27 | 2022-08-12 | 广东绚缤材料科技有限公司 | Acrylic resin and preparation method and application thereof |
| CN115260844A (en) * | 2022-08-24 | 2022-11-01 | 无锡新而奇化工科技有限公司 | Preparation method of polyester coating for household appliances |
| CN115677915A (en) * | 2022-11-14 | 2023-02-03 | 湖南湘江关西涂料(长沙)有限公司 | Acrylic resin and preparation method thereof, paint and coating product |
| CN116751334A (en) * | 2023-08-21 | 2023-09-15 | 广州境好新材料有限公司 | Acrylic resin aqueous dispersion for aqueous amino baking varnish and preparation method thereof |
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| CN116751334A (en) * | 2023-08-21 | 2023-09-15 | 广州境好新材料有限公司 | Acrylic resin aqueous dispersion for aqueous amino baking varnish and preparation method thereof |
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