CN109852189A - Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof - Google Patents

Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof Download PDF

Info

Publication number
CN109852189A
CN109852189A CN201910005675.8A CN201910005675A CN109852189A CN 109852189 A CN109852189 A CN 109852189A CN 201910005675 A CN201910005675 A CN 201910005675A CN 109852189 A CN109852189 A CN 109852189A
Authority
CN
China
Prior art keywords
parts
added
modified polyester
polyester resin
aqueous epoxy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910005675.8A
Other languages
Chinese (zh)
Inventor
韩小宝
刘应科
程明杰
蒋震
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGMEN SANMU CHEMICAL Co Ltd
Original Assignee
JIANGMEN SANMU CHEMICAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGMEN SANMU CHEMICAL Co Ltd filed Critical JIANGMEN SANMU CHEMICAL Co Ltd
Priority to CN201910005675.8A priority Critical patent/CN109852189A/en
Publication of CN109852189A publication Critical patent/CN109852189A/en
Pending legal-status Critical Current

Links

Landscapes

  • Epoxy Resins (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of thermosetting aqueous epoxy acrylic compound modified polyester resins and preparation method thereof, including following raw material: phthalic anhydride, tetrahydrophthalic anhydride, adipic acid, trimethylolpropane, neopentyl glycol, dimethylbenzene, epoxy resin, acrylic acid, butyl acrylate, hydroxy-ethyl acrylate, styrene, benzoyl peroxide, ethylene glycol monobutyl ether, dimethylethanolamine and deionized water.The comprehensive performance of paint film can be improved in modified polyester resin, is aqueous thermosetting resin, and organic solvent is few, and the feature of environmental protection is good, and hardness is high, and adhesive force is good, and wearability and solvent resistance are good, and tensile strength is excellent and good weatherability.

Description

Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof
Technical field
The present invention relates to a kind of coating, in particular to a kind of thermosetting aqueous epoxy acrylic compound modified polyester resin and Preparation method belongs to technical field of polymer materials.
Background technique
Coating is one of common high molecular material as decoration, surface protection articles.Existing baking vanish polyester resin Mostly solvent based product, needs to be added during making and using a large amount of organic solvent, and defect essentially consists in following several A aspect: (1) unhealthy, not environmentally: a large amount of organic solvent can volatilize in air in use process, to the body of user Health has very macrolesion, pollutes air, and the feature of environmental protection is poor;(2) at high cost: organic solvent is at high price, and transports inconvenience, will cause Increased costs, price improve;(3) safety is poor: inflammable and explosive, risk is high.In addition to drawbacks described above, existing polyester resin is more It is lower that there are intensity, facile hydrolysis, and the poor problem of outdoor durable, comprehensive performance, using effect are poor.
Summary of the invention
The present invention provides a kind of thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof, modified Polyester resin the comprehensive performance of paint film can be improved, be aqueous thermosetting resin, organic solvent is few, and the feature of environmental protection is good, and hardness is high, attached Put forth effort, wearability and solvent resistance are good, and tensile strength is excellent and good weatherability.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: a kind of thermosetting aqueous epoxy acrylic is compound Modified polyester resin, including following raw material: phthalic anhydride, tetrahydrophthalic anhydride, adipic acid, trimethylolpropane, neopentyl glycol, dimethylbenzene, Epoxy resin, acrylic acid, butyl acrylate, hydroxy-ethyl acrylate, styrene, benzoyl peroxide, ethylene glycol monobutyl ether, diformazan Ethylethanolamine and deionized water.
As a preferred embodiment, the thermosetting aqueous epoxy acrylic compound modified polyester resin, including The raw material of following parts by weight:
60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, 20-30 parts of trimethylolpropane, new penta 140-160 parts of glycol, 10-20 parts of dimethylbenzene, 20-30 parts of epoxy resin, 5-10 parts of acrylic acid, 20-30 parts of butyl acrylate, third 10-15 parts of olefin(e) acid hydroxyl ethyl ester, 15-20 parts of styrene, 2-4 parts of benzoyl peroxide, 30-50 parts of ethylene glycol monobutyl ether, dimethyl 5-10 parts and deionized water 100-200 parts of ethanol amine.
A kind of preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin, comprising the following steps:
A, by 20-30 parts of epoxy resin, 60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, three hydroxyls 20-30 parts of methylpropane, 140-160 parts of neopentyl glycol, 10-20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 150-180 DEG C of melting to stir evenly, is warming up to 180-200 DEG C after reacting 1-2h, protects After temperature reaction 1-2h, start middle control measurement acid value;
C, when solid acid value reaches 20-30mg KOH/g in step b, 90-105 DEG C is cooled to, ethylene glycol only son is added Ether thinning to solid content is 60-70%, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added ethylene glycol monobutyl ether 20-30 parts, is heated to 110- 125 DEG C, stirring mixes well it;
E, by 5-10 parts of acrylic acid, 15-20 parts of styrene, 20-30 parts of butyl acrylate, 10-15 parts of hydroxy-ethyl acrylate, It 1-2 parts of benzoyl peroxide, is uniformly mixed, is added drop-wise to the prepolymer A's obtained in step d under 110-125 DEG C of environment In ethylene glycol monobutyl ether solution;
F, after step e is added dropwise to complete, 2-3h is kept the temperature under 110-125 DEG C of environment, adds benzoyl peroxide on the way, so that Monomer polymerization is complete;
G, obtained product in step f is cooled to 60-70 DEG C, is added dimethylethanolamine 5-10 part, stirring, be added go from Sub- water adjusts solid content to 60-65%, stirs under 60-70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous epoxy third is made Olefin(e) acid compound modified polyester resin.
As a preferred embodiment, the preparation of the thermosetting aqueous epoxy acrylic compound modified polyester resin Method, comprising the following steps:
A, by 20-30 parts of epoxy resin, 60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, three hydroxyls 20-30 parts of methylpropane, 140-160 parts of neopentyl glycol, 10-20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings to stir evenly, is warming up to 200 DEG C after reacting 2h, insulation reaction 2h Afterwards, start middle control measurement acid value;
C, when solid acid value reaches 30mgKOH/g in step b, 100 DEG C are cooled to, ethylene glycol monobutyl ether thinning is added extremely Solid content is 70%, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added ethylene glycol monobutyl ether 20-30 parts, is heated to 120- 125 DEG C, stirring mixes well it;
E, by 5-10 parts of acrylic acid, 15-20 parts of styrene, 20-30 parts of butyl acrylate, 10-15 parts of hydroxy-ethyl acrylate, It 2 parts of benzoyl peroxide, is uniformly mixed, the second of the prepolymer A obtained in step d is added drop-wise under 120-125 DEG C of environment In glycol monobutyl ether solution, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds benzoyl peroxide 0.5-1 on the way Part, so that monomer polymerization is complete;
G, obtained product in step f is cooled to 70 DEG C, is added dimethylethanolamine 5-10 parts, stir 0.5h, addition is gone Ionized water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous propylene oxide is made Sour compound modified polyester resin.
As a preferred embodiment, the solidification of the thermosetting aqueous epoxy acrylic compound modified polyester resin Method: thermosetting aqueous epoxy acrylic compound modified polyester resin and aqueous methyl-etherified melamine resin are pressed to the ratio of 6:1 Example is mixed evenly, and is adjusted to viscosity with deionized water and applies between four glasss of 20-25s, solid content 55-65%, in 150 DEG C of environment Under, solidify 30min.
By adopting the above technical scheme, due to using epoxy resin and acrylic resin composite modified, polyester tree is prepared Rouge is aqueous thermosetting resin, can disperse in water;Entire preparation process avoids largely using organic solvent, only uses few Environmentally friendly solvent is measured, while replacing a large amount of organic solvent using deionized water, VOC content can be reduced, dropped while environmentally friendly, healthy Low cost improves security performance;Meanwhile the compound modified polyester resin being prepared is to the adhesive force and film strength of ground Good, tensile strength is excellent, and hardness is high;It is wear-resisting, water-fast, solvent resistant ability is strong, outdoor durable, good weatherability greatly improve paint film Comprehensive performance.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be further explained.It should be noted that right It is used to help understand the present invention in the explanation of these embodiments, but and does not constitute a limitation of the invention.In addition, being retouched below Technical characteristic involved in each embodiment of the present invention stated can be combined with each other as long as they do not conflict with each other.
Embodiment 1:
A kind of thermosetting aqueous epoxy acrylic compound modified polyester resin, the raw material including following parts by weight:
60 parts of phthalic anhydride, 120 parts of tetrahydrophthalic anhydride, 50 parts of adipic acid, 20 parts of trimethylolpropane, 140 parts of neopentyl glycol, diformazan 10 parts of benzene, 20 parts of epoxy resin, 5 parts of acrylic acid, 20 parts of butyl acrylate, 10 parts of hydroxy-ethyl acrylate, 15 parts of styrene, peroxide Change 3 parts of benzoyl, 30 parts of ethylene glycol monobutyl ether, 5 parts and 100 parts of deionized water of dimethylethanolamine.
1. a kind of preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin, comprising the following steps:
A, by 20 parts of epoxy resin, 60 parts of phthalic anhydride, 120 parts of tetrahydrophthalic anhydride, 50 parts of adipic acid, 20 parts of trimethylolpropane, 140 parts of neopentyl glycol, 10 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings and stirs evenly, and reacts and is warming up to 200 DEG C after 2h, after insulation reaction 2h, Control measurement acid value in beginning;
C, when solid acid value reaches 30mgKOH/g in step b, 100 DEG C are cooled to, ethylene glycol monobutyl ether thinning is added and arrives Solid content is 70%, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added 20 parts of ethylene glycol monobutyl ether, is heated to 120-125 DEG C, stirring mixes well it;
E, by 5 parts of acrylic acid, 15 parts of styrene, 20 parts of butyl acrylate, 10 parts of hydroxy-ethyl acrylate, benzoyl peroxide It 2 parts, is uniformly mixed, the ethylene glycol monobutyl ether that the prepolymer A obtained in step d is added drop-wise under 120-125 DEG C of environment is molten In liquid, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds 1 part of benzoyl peroxide on the way, with Keep monomer polymerization complete;
G, obtained product in step f is cooled to 70 DEG C, is added 5 parts of dimethylethanolamine, stir 0.5h, deionization is added Water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and it is multiple that thermosetting aqueous epoxy acrylic is made Close modified polyester resin.
2. performance test:
Above-mentioned thermosetting aqueous epoxy acrylic compound modified polyester resin 120g, methyl-etherified melamine resin 20g are taken, It is mixed evenly, a small amount of deionized water is added and adjusts viscosity, system is white viscous liquid, and standing is clear after defoaming Liquid;
Surface of bottom material is cleaned up, is painted using spray gun, is controlled after film curing with a thickness of between 15 to 20 μm;
The ground coated is put into 50 DEG C of baking ovens preheating 10min, avoids directly being heated at high temperature and generates surface defect, after will be pre- The good ground of heat toasts 30min at 150 DEG C;
High by the cured paint film richness of above step, appearance is good, and hardness reaches 3H, and 0 grade of adhesive force, impact resistance reaches 50cmKg, resistance to ethyl alcohol, acetone wipe 90 times, 24 hours bubble-frees resistant to salt corrosion.
Embodiment 2:
A kind of thermosetting aqueous epoxy acrylic compound modified polyester resin, the raw material including following parts by weight:
70 parts of phthalic anhydride, 140 parts of tetrahydrophthalic anhydride, 60 parts of adipic acid, 30 parts of trimethylolpropane, 160 parts of neopentyl glycol, diformazan 20 parts of benzene, 30 parts of epoxy resin, 10 parts of acrylic acid, 30 parts of butyl acrylate, 15 parts of hydroxy-ethyl acrylate, 20 parts of styrene, mistake 3 parts of Benzoyl Oxide, 50 parts of ethylene glycol monobutyl ether, 10 parts and 200 parts of deionized water of dimethylethanolamine.
1. a kind of preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin, comprising the following steps:
A, by 30 parts of epoxy resin, 70 parts of phthalic anhydride, 140 parts of tetrahydrophthalic anhydride, 60 parts of adipic acid, 30 parts of trimethylolpropane, 160 parts of neopentyl glycol, 20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings and stirs evenly, and is warming up to 200 DEG C after reacting 2h, opens after insulation reaction 2h Control measurement acid value in beginning;
C, when solid acid value reaches 30mg KOH/g in step b, 100 DEG C are cooled to, ethylene glycol monobutyl ether thinning is added It is 70% to solid content, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added 30 parts of ethylene glycol monobutyl ether, is heated to 120-125 DEG C, stirring mixes well it;
E, by 10 parts of acrylic acid, 20 parts of styrene, 30 parts of butyl acrylate, 15 parts of hydroxy-ethyl acrylate, benzoyl peroxide first It 2 parts of acyl, is uniformly mixed, the ethylene glycol monobutyl ether of the prepolymer A obtained in step d is added drop-wise under 120-125 DEG C of environment In solution, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds benzoyl peroxide 0.5-1 on the way Part, so that monomer polymerization is complete;
G, obtained product in step f is cooled to 70 DEG C, is added 10 parts of dimethylethanolamine, stir 0.5h, addition go from Sub- water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous epoxy acrylic is made Compound modified polyester resin.
2. performance test:
Above-mentioned thermosetting aqueous epoxy acrylic compound modified polyester resin 120g, methyl-etherified melamine resin 20g are taken, It is mixed evenly, a small amount of deionized water is added and adjusts viscosity, system is white viscous liquid, and standing is clear after defoaming Liquid;
Surface of bottom material is cleaned up, is painted using spray gun, is controlled after film curing with a thickness of between 15 to 20 μm;
The ground coated is put into 50 DEG C of baking ovens preheating 10min, avoids directly being heated at high temperature and generates surface defect, after will preheating Good ground toasts 30min at 150 DEG C;
High by the cured paint film richness of above step, appearance is good, and hardness reaches 3H, and 0 grade of adhesive force, impact resistance reaches 50cmKg, resistance to ethyl alcohol, acetone wipe 90 times, and 24 hours resistant to salt corrosion without gas skin.
Comparative example 1:
1. a kind of preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin, comprising the following steps:
A, by 30 parts of epoxy resin, 70 parts of phthalic anhydride, 140 parts of tetrahydrophthalic anhydride, 60 parts of adipic acid, 30 parts of trimethylolpropane, 160 parts of neopentyl glycol, 20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings and stirs evenly, and is warming up to 200 DEG C after reacting 2h, opens after insulation reaction 2h Control measurement acid value in beginning;
C, when solid acid value reaches 30mg KOH/g in step b, 100 DEG C are cooled to, ethylene glycol monobutyl ether thinning is added It is 70% to solid content, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added 30 parts of ethylene glycol monobutyl ethers, is heated to 120-125 DEG C, stirring mixes well it;
E, it by 20 parts of styrene, 2 parts of benzoyl peroxide, is uniformly mixed, step is added drop-wise under 120-125 DEG C of environment In the ethylene glycol monobutyl ether solution of the prepolymer A obtained in rapid d, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds benzoyl peroxide 0.5-1 on the way Part, so that monomer polymerization is complete;
G, obtained product in step f is cooled to 70 DEG C, is added 10 parts of dimethylethanolamine, stir 0.5h, addition go from Sub- water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous epoxy resin is made and changes Property polyester resin.
2. performance test:
Above-mentioned thermosetting aqueous epoxy resin modification polyester resin 120g, methyl-etherified melamine resin 20g are taken, mixing is stirred It mixes uniformly, a small amount of deionized water is added and adjusts viscosity, system is white viscous liquid, and standing is clear liquid after defoaming;
Surface of bottom material is cleaned up, is painted using spray gun, is controlled after film curing with a thickness of between 15 to 20 μm;
The ground coated is put into 50 DEG C of baking ovens preheating 10min, avoids directly being heated at high temperature and generates surface defect, after will preheating Good ground toasts 30min at 160 DEG C;
Preferable by the cured paint film richness of above step, compactness is general, and hardness reaches H, and 2 grades of adhesive force, impact resistance Power reaches 30cmKg, and resistance to ethyl alcohol, acetone wipe 30 times, and 12 hours resistant to salt corrosion without gas skin.
Comparative example 2:
1. a kind of preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin, comprising the following steps:
A, by 140 parts of tetrahydrophthalic anhydride, 60 parts of phthalic anhydride, 60 parts of adipic acid, 30 parts of trimethylolpropane, 160 parts of neopentyl glycol, 20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings to stir evenly, is warming up to 200 DEG C after reacting 2h, insulation reaction 2h Afterwards, start middle control measurement acid value;
C, when solid acid value reaches 30mg KOH/g in step b, 100 DEG C are cooled to, ethylene glycol monobutyl ether thinning is added It is 70% to solid content, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added 30 parts of ethylene glycol monobutyl ethers, is heated to 120-125 DEG C, stirring mixes well it;
E, by 10 parts of acrylic acid, 20 parts of styrene, 30 parts of butyl acrylate, 15 parts of hydroxy-ethyl acrylate, benzoyl peroxide first It 2 parts of acyl, is uniformly mixed, the ethylene glycol monobutyl ether of the prepolymer A obtained in step d is added drop-wise under 120-125 DEG C of environment In solution, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds benzoyl peroxide 0.5-1 on the way Part, so that monomer polymerization is complete;
G, obtained product in step f is cooled to 70 DEG C, is added 10 parts of dimethylethanolamine, stir 0.5h, addition go from Sub- water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous epoxy resin is made and changes Property polyester resin.
2. performance test:
Above-mentioned thermosetting aqueous epoxy resin modification polyester resin 120g, methyl-etherified melamine resin 20g are taken, mixing is stirred It mixes uniformly, a small amount of deionized water is added and adjusts viscosity, system is white viscous liquid, and standing is clear liquid after defoaming;
Surface of bottom material is cleaned up, is painted using spray gun, is controlled after film curing with a thickness of between 15 to 20 μm;
The ground coated is put into 50 DEG C of baking ovens preheating 10min, avoids directly being heated at high temperature and generates surface defect, after will preheating Good ground toasts 30min at 150 DEG C;
Good by the cured compact in paint film of above step, hardness reaches 1H, and 3 grades of adhesive force, impact resistance reaches 30cmKg, resistance to ethyl alcohol, acetone wipe 60 times, and 12 hours resistant to salt corrosion without gas skin.
The curing method of thermosetting aqueous epoxy acrylic compound modified polyester resin are as follows: by thermosetting aqueous propylene oxide Sour compound modified polyester resin and aqueous methyl-etherified melamine resin are mixed evenly in the ratio of 6:1, with deionized water It is adjusted to viscosity to apply between four glasss of 20-25s, solid content 20-30%, under 150 DEG C of environment, solidifies 30min.
The present invention screens to obtain optimal raw material composition and proportion by many experiments, and is preferably gone out most by many experiments Good synthesis technology.By comparison above embodiments and the performance test results of comparative example, it is also seen that the present invention produces The superiority of product comprehensive performance, technical effect are promoted significant.
By adopting the above technical scheme, due to using epoxy resin and acrylic resin composite modified, polyester tree is prepared Rouge is aqueous thermosetting resin, can disperse in water;Entire preparation process avoids largely using organic solvent, only uses few Environmentally friendly solvent is measured, while replacing a large amount of organic solvent using deionized water, VOC content can be reduced, dropped while environmentally friendly, healthy Low cost improves security performance;Meanwhile the compound modified polyester resin being prepared is to the adhesive force and film strength of ground Good, tensile strength is excellent, and hardness is high;It is wear-resisting, water-fast, solvent resistant ability is strong, outdoor durable, good weatherability greatly improve paint film Comprehensive performance.
The embodiments of the present invention are described in detail in conjunction with the embodiments above, but the present invention is not limited to described realities Apply mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiment party Formula carries out a variety of change, modification, replacement and modification, still falls in protection scope of the present invention.

Claims (5)

1. a kind of thermosetting aqueous epoxy acrylic compound modified polyester resin, which is characterized in that including following raw material: phthalic anhydride, Tetrahydrophthalic anhydride, adipic acid, trimethylolpropane, neopentyl glycol, dimethylbenzene, epoxy resin, acrylic acid, butyl acrylate, propylene Sour hydroxyl ethyl ester, styrene, benzoyl peroxide, ethylene glycol monobutyl ether, dimethylethanolamine and deionized water.
2. thermosetting aqueous epoxy acrylic compound modified polyester resin according to claim 1, which is characterized in that including The raw material of following parts by weight:
60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, 20-30 parts of trimethylolpropane, neopentyl glycol 140-160 parts, 10-20 parts of dimethylbenzene, 20-30 parts of epoxy resin, 5-10 parts of acrylic acid, 20-30 parts of butyl acrylate, acrylic acid 10-15 parts of hydroxyl ethyl ester, 15-20 parts of styrene, 2-4 parts of benzoyl peroxide, 30-50 parts of ethylene glycol monobutyl ether, dimethyl ethanol 5-10 parts and deionized water 100-200 parts of amine.
3. a kind of preparation of such as described in any item thermosetting aqueous epoxy acrylic compound modified polyester resins of claim 1-2 Method, which comprises the following steps:
A, by 20-30 parts of epoxy resin, 60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, trihydroxy methyl 20-30 parts of propane, 140-160 parts of neopentyl glycol, 10-20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 150-180 DEG C of melting to stir evenly, is warming up to 180-200 DEG C after reacting 1-2h, heat preservation is anti- After answering 1-2h, start middle control measurement acid value;
C, when solid acid value reaches 20-30mg KOH/g in step b, 90-105 DEG C is cooled to, ethylene glycol monobutyl ether is added and converts It is dilute to solid content be 60-70%, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added ethylene glycol monobutyl ether 20-30 parts, is heated to 110-125 DEG C, Stirring mixes well it;
E, by 5-10 parts of acrylic acid, 15-20 parts of styrene, 20-30 parts of butyl acrylate, 10-15 parts of hydroxy-ethyl acrylate, peroxide Change benzoyl 1-2 parts, is uniformly mixed, the second two of the prepolymer A obtained in step d is added drop-wise under 110-125 DEG C of environment In alcohol only son's ethereal solution;
F, after step e is added dropwise to complete, 2-3h is kept the temperature under 110-125 DEG C of environment, adds benzoyl peroxide on the way, so that monomer Polymerization is complete;
G, obtained product in step f is cooled to 60-70 DEG C, is added dimethylethanolamine 5-10 parts, deionized water is added in stirring Solid content is adjusted to 60-65%, is stirred under 60-70 DEG C of environment, cool down filtering and discharging, and thermosetting aqueous epoxy acrylic is made Compound modified polyester resin.
4. the preparation method of thermosetting aqueous epoxy acrylic compound modified polyester resin according to claim 3, special Sign is, comprising the following steps:
A, by 20-30 parts of epoxy resin, 60-70 parts of phthalic anhydride, 120-140 parts of tetrahydrophthalic anhydride, 50-60 parts of adipic acid, trihydroxy methyl 20-30 parts of propane, 140-160 parts of neopentyl glycol, 10-20 parts of dimethylbenzene are added in reaction system;
B, step a reaction system is heated to 160 DEG C of meltings to stir evenly, is warming up to 200 DEG C after reacting 2h, after insulation reaction 2h, opened Control measurement acid value in beginning;
C, 100 DEG C are cooled to when solid acid value reaches 30mgKOH/g in step b, ethylene glycol monobutyl ether thinning is added to containing admittedly Amount is 70%, as prepolymer A;
D, 100 parts of the prepolymer A for taking step c to be prepared is added ethylene glycol monobutyl ether 20-30 parts, is heated to 120-125 DEG C, Stirring mixes well it;
E, by 5-10 parts of acrylic acid, 15-20 parts of styrene, 20-30 parts of butyl acrylate, 10-15 parts of hydroxy-ethyl acrylate, peroxide Change 2 parts of benzoyl, is uniformly mixed, the ethylene glycol of the prepolymer A obtained in step d is added drop-wise under 120-125 DEG C of environment In only son's ethereal solution, process 2h is added dropwise;
F, after step e is added dropwise to complete, 3h is kept the temperature under 120-125 DEG C of environment, adds 0.5-1 parts of benzoyl peroxide on the way, with Keep monomer polymerization complete;
G, obtained product in step f is cooled to 70 DEG C, is added dimethylethanolamine 5-10 parts, stir 0.5h, deionization is added Water adjusts solid content to 65%, 1h is stirred under 70 DEG C of environment, cool down filtering and discharging, and it is multiple that thermosetting aqueous epoxy acrylic is made Close modified polyester resin.
5. the curing method of thermosetting aqueous epoxy acrylic compound modified polyester resin according to claim 1 or 2, It is characterized in that, thermosetting aqueous epoxy acrylic compound modified polyester resin and aqueous methyl-etherified melamine resin is pressed into 6:1 Ratio be mixed evenly, with deionized water be adjusted to viscosity apply four glasss of 20-25s between, solid content 20-30%, at 150 DEG C Under environment, solidify 30min.
CN201910005675.8A 2019-01-03 2019-01-03 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof Pending CN109852189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910005675.8A CN109852189A (en) 2019-01-03 2019-01-03 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910005675.8A CN109852189A (en) 2019-01-03 2019-01-03 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109852189A true CN109852189A (en) 2019-06-07

Family

ID=66893773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910005675.8A Pending CN109852189A (en) 2019-01-03 2019-01-03 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109852189A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111909553A (en) * 2020-08-10 2020-11-10 淮北金邦新型材料有限公司 Adhesion promoting resin and production method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513208A1 (en) * 1984-04-14 1985-10-17 Victor Company Of Japan, Ltd., Yokohama, Kanagawa MAGNETIC RECORDING MEDIUM CONTAINING A SPECIAL COPOLYMER BINDING AGENT
CN101864044A (en) * 2010-07-02 2010-10-20 湖南湘江涂料集团有限公司 Aqueous acrylic modified epoxy ester resin and synthesizing method thereof
CN103725145A (en) * 2013-12-13 2014-04-16 武汉工程大学 Aqueous alkide resin-acrylic acid resin hybrid coating and preparation method thereof
CN106281001A (en) * 2016-08-15 2017-01-04 中山大桥化工集团有限公司 A kind of water paint for dip-coating and preparation method 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
CN109280139A (en) * 2018-09-19 2019-01-29 江苏三木化工股份有限公司 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513208A1 (en) * 1984-04-14 1985-10-17 Victor Company Of Japan, Ltd., Yokohama, Kanagawa MAGNETIC RECORDING MEDIUM CONTAINING A SPECIAL COPOLYMER BINDING AGENT
CN101864044A (en) * 2010-07-02 2010-10-20 湖南湘江涂料集团有限公司 Aqueous acrylic modified epoxy ester resin and synthesizing method thereof
CN103725145A (en) * 2013-12-13 2014-04-16 武汉工程大学 Aqueous alkide resin-acrylic acid resin hybrid coating and preparation method thereof
CN106281001A (en) * 2016-08-15 2017-01-04 中山大桥化工集团有限公司 A kind of water paint for dip-coating and preparation method 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
CN109280139A (en) * 2018-09-19 2019-01-29 江苏三木化工股份有限公司 Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111909553A (en) * 2020-08-10 2020-11-10 淮北金邦新型材料有限公司 Adhesion promoting resin and production method thereof

Similar Documents

Publication Publication Date Title
US4414173A (en) In-mold coating
CN101407651B (en) UV curing color decorative coating
CN102002305B (en) Water-based precoated coiled material coating back paint and preparation method thereof
JPH0328215A (en) Thermally curing inner die surface covering compound
CN107141425A (en) A kind of baking vanish aqueous epoxy resins and preparation method and application
CN104204109A (en) Acetoacetyl thermosetting resin for zero VOC gel coating
CN104962130B (en) Heat-resistant yellow-stain-resistant epoxy acrylate low polymer and preparation method of UV (ultraviolet) ink
US4534888A (en) In-mold coating
CN110818883B (en) Epoxy resin for high-gloss self-curing powder coating and double-kettle preparation method
KR101818348B1 (en) high-gloss high-leveling powder coating composition
US10513566B2 (en) Epoxidized oil and resin compositions
JPS6019941B2 (en) Compositions useful for in-mold coatings
CN109852189A (en) Thermosetting aqueous epoxy acrylic compound modified polyester resin and preparation method thereof
US4508785A (en) In-mold coating
US10913829B2 (en) Epoxidized oil binder compositions and process for preparation of thermoset hardened products
CN100396725C (en) Surface treatment method of scale resin with glass scale and prepn process of scale resin
CN109280139B (en) Thermosetting water-based epoxy acrylic acid composite modified polyester resin and preparation method thereof
CN109486398A (en) A kind of painting dressing automobiles paint and preparation method thereof
CN105440897B (en) A kind of piano fire-retardant black gel coat and preparation method
CN107011785A (en) A kind of wear-resistant polyester mirror surface coating of hard and preparation method thereof
CN107523197A (en) A kind of novel aqueous polyester resin
CN100372900C (en) Mirror back paint resin and spraying paint
CN114213608A (en) Aqueous hydroxyl acrylic acid dispersion and preparation method and application thereof
CN106752355A (en) The preparation method of ink used for plastic coating
CN108530973A (en) Environment-friendlybenzene-free benzene-free painting and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190607

RJ01 Rejection of invention patent application after publication