CN109180877A - Plastic paint waterborne epoxy modified acrylic resin and preparation method thereof - Google Patents
Plastic paint waterborne epoxy modified acrylic resin and preparation method thereof Download PDFInfo
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- CN109180877A CN109180877A CN201811092293.5A CN201811092293A CN109180877A CN 109180877 A CN109180877 A CN 109180877A CN 201811092293 A CN201811092293 A CN 201811092293A CN 109180877 A CN109180877 A CN 109180877A
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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
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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Abstract
The invention discloses a kind of plastic paint waterborne epoxy modified acrylic resins and preparation method thereof, it is by epoxy resin, acrylic acid, butyl acrylate, Isooctyl acrylate monomer, hydroxy-ethyl acrylate, methyl methacrylate, styrene, benzoyl peroxide, ethylene glycol monobutyl ether, dimethylethanolamine and deionized water are made.Present invention introduces epoxy resin and polar functional group, paint film intensity is high after acrylic resin film forming, good to substrate adhesion.The present invention is modified acrylic resin using epoxy resin under given conditions, while adhesive force and film strength of the acrylic resin to plastic rubber substrate can not only be reinforced, and it is greatly improved its water-fast and solvent resistant ability, achieve extraordinary technical effect.
Description
Technical field
The present invention relates to a kind of coating, and in particular to a kind of plastic paint waterborne epoxy modified acrylic resin and its preparation
Method belongs to technical field of polymer materials.
Background technique
Existing acrylic-acid resin for plastic paint is mostly solvent type, and needing to be added during making and using largely has
Solvent, defect are: 1. it is unhealthy not environmentally, the volatilization of a large amount of organic solvent in air, to the health of user
There is very macrolesion, and pollutes air；2. at high cost, organic solvent compared with water for, at high price, transport is inconvenient；3. inflammable
Explosive risk is high.
And the aqueous acrylic-acid resin for plastic paint to emerge at this stage mainly has following defect: 1. stemness are poor, and film forming is not
It is perfect, it is easy when temperature is higher anti-viscous；2. richness is poor；3. adhesive force is insufficient, it is easy to fall off.
Therefore, it is necessary on the basis of the prior art, it is strong that a kind of adhesive force is researched and developed in design, good film-forming property, appearance
It is good, the strong waterborne epoxy modified acrylic resin of the feature of environmental protection.
Summary of the invention
Goal of the invention: the purpose of the present invention is in view of the deficiencies of the prior art, by many experiments, using epoxy resin pair
Acrylic resin is modified, and paint film intensity is high after modified acrylic resin film forming, good to substrate adhesion, is reinforcing propylene
While acid resin is to the adhesive force and film strength of plastic rubber substrate, its water-fast and solvent resistant ability can be improved, organic solvent is few,
The feature of environmental protection is good.
Technical solution, in order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of plastic paint waterborne epoxy modified acrylic resin, it includes following raw material: epoxy resin, acrylic acid,
Butyl acrylate, Isooctyl acrylate monomer, hydroxy-ethyl acrylate, methyl methacrylate, styrene, benzoyl peroxide, second two
Alcohol monobutyl ether, dimethylethanolamine and deionized water.
Preferably, above-described a kind of plastic paint waterborne epoxy modified acrylic resin, it includes following
The raw material of parts by weight: 20~30 parts of epoxy resin, 10~15 parts of acrylic acid, 20~25 parts of butyl acrylate, acrylic acid is different pungent
10~20 parts of ester, 5~10 parts of hydroxy-ethyl acrylate, 20~30 parts of methyl methacrylate, 30~40 parts of styrene, benzoyl peroxide
4~6 parts of formyl, 60~80 parts of ethylene glycol monobutyl ethers, 10~15 parts and 100~300 parts of deionized water of dimethylethanolamine.
The preparation method of plastic paint waterborne epoxy modified acrylic resin of the present invention, it the following steps are included:
A. epoxy resin is dissolved in ethylene glycol monobutyl ether, is heated to 120 DEG C~125 DEG C, stirring mixes well it；
B. by 10~15 parts of acrylic acid, 30~40 parts of styrene, 20~30 parts of methyl methacrylates, 20~25 parts of propylene
Acid butyl ester, 10~20 parts of Isooctyl acrylate monomers, 5~10 parts of hydroxy-ethyl acrylates, 3~4 parts of benzoyl peroxides are stirred
It is even, in the ethylene glycol monobutyl ether solution for the epoxy resin that 120 DEG C~125 DEG C are added drop-wise to step a；At 120 DEG C after being added dropwise
Insulation reaction at~125 DEG C adds a small amount of benzoyl peroxide so that monomer polymerization is complete in insulating process；
C. 70~80 DEG C are cooled to, 10~15 parts of dimethylethanolamines are added, the deionized water of formula ratio is added in stirring,
65~75%, 70~80 DEG C of solid content stirrings are adjusted, cooling filtering and discharging obtains plastic paint waterborne epoxy modified acrylic resin.
Preferably, the preparation method of above-described plastic paint waterborne epoxy modified acrylic resin, it is wrapped
Include following steps:
A. 20~30 parts of epoxy resin are dissolved in 60~80 parts of ethylene glycol monobutyl ethers, are heated to 120 DEG C~125 DEG C,
Stirring 15min mixes well it；
B. by 10~15 parts of acrylic acid, 30~40 parts of styrene, 20~30 parts of methyl methacrylates, 20~25 parts of propylene
Acid butyl ester, 10~20 parts of Isooctyl acrylate monomers, 5~10 parts of hydroxy-ethyl acrylates, 3~4 parts of benzoyl peroxides are stirred
Even, in the ethylene glycol monobutyl ether solution for the epoxy resin that 120 DEG C~125 DEG C are added drop-wise to step a, dropwise addition process is about 3h；Drop
3h is kept the temperature at 120 DEG C~125 DEG C after adding, a small amount of benzoyl peroxide is added in insulating process so that monomer polymerization is complete
Entirely；
C. 70 DEG C are cooled to, 10~15 parts of dimethylethanolamines are added, half an hour is stirred, the deionization of formula ratio is added
Water adjusts solid content 65%, and 70 DEG C of stirring 1h, cool down filtering and discharging.
Plastic paint waterborne epoxy modified acrylic resin of the present invention is preparing the application in plastic cement paint film.
The utility model has the advantages that compared to the prior art, the present invention has the following advantages:
Technical solution of the present invention can solve the problems, such as two of acrylic-acid resin for plastic paint:
1. the Solvent of conventional acrylic resin.The present invention divides acrylic resin in water using new process
It dissipates, entire preparation process can avoid largely using organic solvent, only use a small amount of environmentally friendly solvent, while replacing using deionized water
A large amount of organic solvent.The water dispersion epoxy modified acrylic resin VOC of preparation is low, and remains traditional solvent-type acrylic
The consistent performance of resin.
The richness and adhesion problem of water-base resin provided by the invention.Common water borne plastic paint film forming is not perfect, together
When lack the functional group strong with ground binding ability, glossiness is not high after causing resin to form a film, insufficient to ground adhesive ability.
Present invention introduces epoxy resin and polar functional group, paint film intensity is high after resin film forming, good to substrate adhesion.The present invention makes
Acrylic resin is modified under given conditions with epoxy resin, can not only reinforce acrylic resin to plastic rubber substrate
While adhesive force and film strength, and it is greatly improved its water-fast and solvent resistant ability, achieves extraordinary technical effect.
Specific embodiment
Embodiment 1
1, the preparation method of plastic paint waterborne epoxy modified acrylic resin comprising following steps:
A. 20 parts of epoxy resin are dissolved in 60 parts of ethylene glycol monobutyl ethers, are heated to 120 DEG C~125 DEG C, stir 15min
Mix well it；
B. by 10 parts of acrylic acid, 30 parts of styrene, 20 parts of methyl methacrylates, 20 parts of butyl acrylates, 10 parts of propylene
The different monooctyl ester of acid, 5 parts of hydroxy-ethyl acrylates, 3 parts of benzoyl peroxides are uniformly mixed, and are added drop-wise to step at 120 DEG C~125 DEG C
In the ethylene glycol monobutyl ether solution of the epoxy resin of a, dropwise addition process is about 3h；It is kept the temperature at 120 DEG C~125 DEG C after being added dropwise
3h adds 1 part of benzoyl peroxide so that monomer polymerization is complete in insulating process；
C. 70 DEG C are cooled to, 10 parts of dimethylethanolamines are added, half an hour is stirred, the deionized water of formula ratio is added, is adjusted
Solid content 65% is saved, 70 DEG C of stirring 1h, cool down filtering and discharging, obtains waterborne epoxy modified acrylic resin.
2, performance test
1, above-mentioned epoxy modified acrylic resin 100g is taken, a small amount of neutralization reagent DMEA is supplemented, appropriate cosolvent second is added
Glycol monobutyl ether and ethyl alcohol, are mixed evenly；Formula ratio deionized water is added and dilutes and adjust viscosity, system is thick white
Liquid, standing is clear liquid after defoaming；
2, plastic cement (grounds such as ABS, PC) surface clean is clean, it is painted using spray gun, controls thickness after film curing
Degree is between 15 to 20 μm；
3, the ground coated is put into 50 DEG C of baking ovens and toasts 1h or 80 DEG C of baking 30min；When room temperature curing, room is kept
Under temperature, ventilation condition, 1h can surface drying.
4, high by the cured paint film richness of above step, appearance is good, reaches 0 grade to a variety of plastic rubber substrate adhesive force, firmly
Degree reaches 2H, and impact resistance reaches 50cmKg, and resistance to ethyl alcohol, acetone wipe 100 times, and 24 hours resistant to salt corrosion without blistering.
Embodiment 2
1, the preparation method of plastic paint waterborne epoxy modified acrylic resin comprising following steps:
A. 30 parts of epoxy resin are dissolved in 80 parts of ethylene glycol monobutyl ethers, are heated to 120 DEG C~125 DEG C, stir 15min
Mix well it；
B. by 15 parts of acrylic acid, 40 parts of styrene, 30 parts of methyl methacrylates, 25 parts of butyl acrylates, 20 parts of propylene
The different monooctyl ester of acid, 10 parts of hydroxy-ethyl acrylates, 4 parts of benzoyl peroxides are uniformly mixed, and are added drop-wise to step at 120 DEG C~125 DEG C
In the ethylene glycol monobutyl ether solution of the epoxy resin of rapid a, dropwise addition process is about 3h；It is protected at 120 DEG C~125 DEG C after being added dropwise
Warm 3h adds a small amount of benzoyl peroxide so that monomer polymerization is complete in insulating process；
C. 70 DEG C are cooled to, 15 parts of dimethylethanolamines are added, half an hour is stirred, the deionized water of formula ratio is added, is adjusted
Solid content 65% is saved, 70 DEG C of stirring 1h, cool down filtering and discharging, obtains waterborne epoxy modified acrylic resin.
2, performance test
1, above-mentioned epoxy modified acrylic resin 100g is taken, a small amount of neutralization reagent DMEA is supplemented, appropriate cosolvent second is added
Glycol monobutyl ether and ethyl alcohol, are mixed evenly；Formula ratio deionized water is added and dilutes and adjust viscosity, system is thick white
Liquid, standing is clear liquid after defoaming；
2, plastic cement (grounds such as ABS, PC) surface clean is clean, it is painted using spray gun, controls thickness after film curing
Degree is between 15 to 20 μm；
3, the ground coated is put into 50 DEG C of baking ovens and toasts 1h or 80 DEG C of baking 30min；When room temperature curing, room is kept
Under temperature, ventilation condition, 1h can surface drying.
4, high by the cured paint film richness of above step, appearance is good, reaches 0 grade to a variety of plastic rubber substrate adhesive force, firmly
Degree reaches 2H, and impact resistance reaches 50cmKg, and resistance to ethyl alcohol, acetone wipe 100 times, and 24 hours resistant to salt corrosion without blistering.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of plastic paint waterborne epoxy modified acrylic resin, which is characterized in that it includes following raw material: asphalt mixtures modified by epoxy resin
Rouge, acrylic acid, butyl acrylate, Isooctyl acrylate monomer, hydroxy-ethyl acrylate, methyl methacrylate, styrene, benzoyl peroxide
Formyl, ethylene glycol monobutyl ether, dimethylethanolamine and deionized water.
2. a kind of plastic paint waterborne epoxy modified acrylic resin according to claim 1, which is characterized in that it includes
The raw material of following parts by weight: 20~30 parts of epoxy resin, 10~15 parts of acrylic acid, 20~25 parts of butyl acrylate, acrylic acid
10~20 parts of different monooctyl ester, 5~10 parts of hydroxy-ethyl acrylate, 20~30 parts of methyl methacrylate, 30~40 parts of styrene, peroxide
4~6 parts of benzoyl of change, 60~80 parts of ethylene glycol monobutyl ethers, 10~15 parts and 100~300 parts of deionized water of dimethylethanolamine.
3. the preparation method of plastic paint waterborne epoxy modified acrylic resin of any of claims 1 or 2, which is characterized in that
It the following steps are included:
A. epoxy resin is dissolved in ethylene glycol monobutyl ether, is heated to 120 DEG C~125 DEG C, stirring mixes well it；
B. by 10~15 parts of acrylic acid, 30~40 parts of styrene, 20~30 parts of methyl methacrylates, 20~25 parts of acrylic acid fourths
Ester, 10~20 parts of Isooctyl acrylate monomers, 5~10 parts of hydroxy-ethyl acrylates, 3~4 parts of benzoyl peroxides are uniformly mixed,
In the ethylene glycol monobutyl ether BSC solution of 120 DEG C~125 DEG C epoxy resin for being added drop-wise to step a；After being added dropwise 120 DEG C~
Insulation reaction at 125 DEG C adds a small amount of benzoyl peroxide BPO so that monomer polymerization is complete in insulating process；
C. 70~80 DEG C are cooled to, 10~15 parts of dimethylethanolamines are added, the deionized water of formula ratio is added in stirring, adjusts
65~75%, 70~80 DEG C of solid content stirrings, cooling filtering and discharging obtain plastic paint waterborne epoxy modified acrylic resin.
4. the preparation method of plastic paint waterborne epoxy modified acrylic resin according to claim 3, which is characterized in that
It the following steps are included:
A. 20~30 parts of epoxy resin are dissolved in 60~80 parts of ethylene glycol monobutyl ether BCS, are heated to 120 DEG C~125 DEG C, stir
Mixing 15min mixes well it；
B. by 10~15 parts of acrylic acid AA, 30~40 parts of styrene St, 20~30 parts of methyl methacrylate MMA, 20~25 parts
Butyl acrylate BA, 10~20 parts of Isooctyl acrylate monomer EHA, 5~10 parts of hydroxy-ethyl acrylate HEA, 3~4 parts of benzoyl peroxide first
Acyl BPO is uniformly mixed, molten in the ethylene glycol monobutyl ether BSC for the epoxy resin E-03 that 120 DEG C~125 DEG C are added drop-wise to step a
In liquid, dropwise addition process is about 3h；3h is kept the temperature at 120 DEG C~125 DEG C after being added dropwise, a small amount of peroxidating is added in insulating process
Benzoyl BPO is so that monomer polymerization is complete；
C. 70 DEG C are cooled to, 10~15 parts of dimethylethanolamine DMEA are added, half an hour is stirred, the deionization of formula ratio is added
Water adjusts solid content 65%, and 70 DEG C of stirring 1h, cool down filtering and discharging.
5. plastic paint waterborne epoxy modified acrylic resin of any of claims 1 or 2 is preparing the application in plastic cement paint film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811092293.5A CN109180877A (en) | 2018-09-19 | 2018-09-19 | Plastic paint waterborne epoxy modified acrylic resin and preparation method thereof |
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| CN201811092293.5A CN109180877A (en) | 2018-09-19 | 2018-09-19 | Plastic paint waterborne epoxy modified acrylic resin and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128889A (en) * | 2019-06-03 | 2019-08-16 | 兰州陇嘉化工科技有限公司 | Waterborne epoxy modified acrylic resin and its preparation method and application |
| CN112011242A (en) * | 2020-09-09 | 2020-12-01 | 江苏三木化工股份有限公司 | Water-based acrylic resin for coil coating and preparation method and application thereof |
| CN113388141A (en) * | 2021-07-28 | 2021-09-14 | 常州浩阳新材料科技有限公司 | PET film for laminating and compounding home decoration building materials and preparation method thereof |
| CN113896862A (en) * | 2021-11-29 | 2022-01-07 | 国网山东省电力公司电力科学研究院 | Polymer epoxy resin, preparation method and application thereof |
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| CN104513345A (en) * | 2014-12-04 | 2015-04-15 | 北京金汇利应用化工制品有限公司 | Preparation method for waterborne epoxy modified acrylic resin and aqueous dispersion thereof |
| CN107141425A (en) * | 2017-05-19 | 2017-09-08 | 江苏三木化工股份有限公司 | A kind of baking vanish aqueous epoxy resins and preparation method and application |
| CN107236418A (en) * | 2017-07-17 | 2017-10-10 | 江苏三木化工股份有限公司 | The preparation method of the water-based acrylic resin of epoxy resin modification |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011064869A (en) * | 2009-09-16 | 2011-03-31 | Fujifilm Corp | Photosensitive resin composition, method for forming cured film, cured film, organic el display device and liquid crystal display device |
| CN104513345A (en) * | 2014-12-04 | 2015-04-15 | 北京金汇利应用化工制品有限公司 | Preparation method for waterborne epoxy modified acrylic resin and aqueous dispersion thereof |
| CN107141425A (en) * | 2017-05-19 | 2017-09-08 | 江苏三木化工股份有限公司 | A kind of baking vanish aqueous epoxy resins and preparation method and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128889A (en) * | 2019-06-03 | 2019-08-16 | 兰州陇嘉化工科技有限公司 | Waterborne epoxy modified acrylic resin and its preparation method and application |
| CN112011242A (en) * | 2020-09-09 | 2020-12-01 | 江苏三木化工股份有限公司 | Water-based acrylic resin for coil coating and preparation method and application thereof |
| CN113388141A (en) * | 2021-07-28 | 2021-09-14 | 常州浩阳新材料科技有限公司 | PET film for laminating and compounding home decoration building materials and preparation method thereof |
| CN113388141B (en) * | 2021-07-28 | 2022-05-17 | 常州浩阳新材料科技有限公司 | PET film for laminating and compounding home decoration building materials and preparation method thereof |
| CN113896862A (en) * | 2021-11-29 | 2022-01-07 | 国网山东省电力公司电力科学研究院 | Polymer epoxy resin, preparation method and application thereof |
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