CN110330598A - A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin and preparation method thereof - Google Patents
A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin and preparation method thereof Download PDFInfo
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- CN110330598A CN110330598A CN201910607156.9A CN201910607156A CN110330598A CN 110330598 A CN110330598 A CN 110330598A CN 201910607156 A CN201910607156 A CN 201910607156A CN 110330598 A CN110330598 A CN 110330598A
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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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- 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
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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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
- C09D133/062—Copolymers with monomers not covered by C09D133/06
- C09D133/066—Copolymers with monomers not covered by C09D133/06 containing -OH groups
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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Abstract
The invention belongs to coating resin fields, disclose a kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, it is characterized in that, it is prepared by following parts by weight of component: 5-10 parts of hydroxy acrylic acid esters monomers, 15-25 parts of methyl methacrylates, 4-6 parts of styrene, 20-30 parts of intermediate polyesters, 10-15 parts of acrylic acid, 2-3 parts of amino resin crosslinking agents and solvent；All raw material gross weights are 100 parts by weight；The intermediate polyester is synthesized to obtain by polyalcohol and binary acid；The weight ratio of the polyalcohol and binary acid is 1:1-2:1.While polyester improves gloss richness, reactivity is improved, to reduce reaction temperature, achievees the effect that low-temperature setting.
Description
Technical field
The present invention relates to coating resin fields, and in particular to a kind of high richness, low-temperature setting polyester modification thermosetting property
Acrylic resin and preparation method thereof.
Background technique
General polyester modification resin is easy to work it out muddiness in currently available technology condition, due to not being grafted light-shielding resin
Hardness is too low, and reaction temperature is excessively high, and 120 degree of baking temperatures of this numerical value can achieve 2-3H.
CN 201710359175.5 discloses silica solution/hydroxyl polyacrylate dispersion-amino plastic baking varnish and its system
Preparation Method.The preparation method is carried out in situ using the acrylic ester monomer of the modified silica solution of water-soluble macromolecule and hydroxyl
Polymerization prepares silica solution/hydroxyl polyacrylate dispersion, then by synthetic emulsion and amino resins it is compound with preparing silicon collosol/contain
Hydroxy polyacrylate lotion-amino plastic baking varnish.Gained baking vanish film is after 150 DEG C of film forming, and film is smooth, transparency is high,
Adhesive force can achieve 0 grade, and hardness can achieve 3~4H or more, and have water resistance outstanding, resistance to acid and alkali, resistance to four chlorination
Carbon and weatherability.
Some problems existing for traditional baking vanish resin are as follows: resin is muddy, and baking vanish film-forming temperature is high.
In general, the film-forming temperature of baking vanish is no more than 3H at film hardness at 140-150 DEG C.Meanwhile if resin is muddy
Turbid, the glossiness and richness of film forming are with regard to not so good.
So the present invention thus need to solve the problems, such as most crucial be: film-forming temperature is reduced 10-20 DEG C either with or without method
To reduce the energy consumption of vehicle production and maintenance shop.
Summary of the invention
The object of the present invention is to provide a kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin and its systems
Preparation Method.
Concrete scheme of the invention is as follows: a kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, by
Following parts by weight of component is prepared: 5-10 parts of hydroxy acrylic acid esters monomers, 15-25 parts of methyl methacrylates, 4-6 parts of benzene
Ethylene, 20-30 part intermediate polyester, 10-15 parts of acrylic acid, 2-3 parts of amino resin crosslinking agents and solvent；All raw materials are total
Weight is 100 parts by weight；
The intermediate polyester is synthesized to obtain by polyalcohol and binary acid；The weight ratio of the polyalcohol and binary acid is
1:1-2:1。
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the hydroxy acrylic acid
Esters monomer is one of hydroxyethyl methacrylate, hydroxy propyl methacrylate and octyl hydroxystearate.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the amino resins is handed over
Connection agent is Lauxite, melamine resin, Polyamide-Polyamsne-Epichlorohydrin.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the modified acroleic acid
Free radical used in type resin can be selected from peroxidating phenyl-diformyl or two t-amyl peroxy compounds.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the polyalcohol is two
The combination of first alcohol, trihydroxylic alcohol, pentaerythrite, wherein dihydric alcohol, trihydroxylic alcohol, pentaerythrite weight ratio be 100:40-50:3-5.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the dihydric alcohol is second two
One of alcohol, 1,3- propylene glycol, 1,4- butanediol；The trihydroxylic alcohol is one of glycerine, trimethylolpropane.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the binary acid is fourth two
Acid, glutaric acid, adipic acid or acid anhydrides, the acid anhydrides are one of maleic anhydride, glutaric anhydride.
In above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin, the solvent is dimethylbenzene
Or toluene.
Meanwhile the invention also discloses a kind of high richness, low-temperature setting polyester modification thermosetting property propylene as described above
The preparation method of acid resin, which comprises the steps of:
Step 1: preparing solvent bottom liquid, solvent, methyl methacrylate, intermediate polyester, amino resin crosslinking agent are mixed
Conjunction uniformly obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to 65-70 DEG C；
Step 2: being added drop-wise to after hydroxy acrylic acid esters monomer, styrene, acrylic acid are mixed together with suitable initiator
In the liquid of solvent bottom, time for adding 2-3h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, keep the temperature 1-
2h discharges and is adjusted to suitable solid content.
Above-mentioned high richness, low-temperature setting polyester modification thermosetting acrylic resin preparation method in, it is described
Initiator used in step 2 and step 3 is radical initiator；The initiator is azo-initiator, redox
One of system initiator；
Initiator used in the step 2 accounts for the 0.3-0.7wt% of raw material gross weight；
Initiator used in the step 3 accounts for the 0.2-0.4wt% of raw material gross weight.
The invention has the benefit that
Hydroxyl appropriate is introduced in main chain, the degree of functionality of polyester is improved, introduces high reaction activity polyalcohol, it is close to improve crosslinking
Degree improves the TG of acrylic resin and introduces high activity monomer to improve hardness.While polyester improves gloss richness,
Reactivity is improved, to reduce reaction temperature, achievees the effect that low-temperature setting.
The present invention is crosslinked film forming mainly by addition amino resins；It can be reached in the case where paint film toasts 30 minutes at 120 DEG C
To the hardness of 3H, general acrylic resin wants baking in 140-150 degree * 30 minutes to can be only achieved such requirement.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but does not constitute any limitation of the invention, any
In the modification for the limited times that scope of the invention as claimed is made, still in scope of the presently claimed invention.
Embodiment 1
A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, the preparation method is as follows:
Step 1: solvent bottom liquid is prepared, by 20g dimethylbenzene, 15g methyl methacrylate, 30g intermediate polyester, 2g ureaformaldehyde
Resin cross-linking agent is uniformly mixed and obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to 65-70 DEG C；
Intermediate polyester the preparation method comprises the following steps: in atmosphere of inert gases, ethylene glycol, glycerine, pentaerythrite are heated up
It to 110 DEG C and stirs as uniform molten mass, maleic anhydride and a small amount of dimethylbenzene is added, is slowly warming up to 200 DEG C, instead
130 DEG C are cooled to after answering 3-4h and dimethylbenzene dilution is added；The solid content of intermediate polyester is 65%.Ethylene glycol, glycerine, season
Penta tetrol, maleic anhydride weight ratio be 100:50:4:80.
Step 2: together with suitable initiation after 10g hydroxy acrylic acid esters monomer, 4g styrene, 15g acrylic acid are mixed
Agent is added drop-wise in the liquid of solvent bottom, time for adding 2.5h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, heat preservation
1.5h discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator used in the step 2 accounts for raw material gross weight
0.5wt%；Initiator used in the step 3 accounts for the 0.2wt% of raw material gross weight；Initiator is when being added dropwise with 6g dimethylbenzene
Dispersion.
Embodiment 2
A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, the preparation method is as follows:
Step 1: solvent bottom liquid is prepared, by 25g dimethylbenzene, 25g methyl methacrylate, 20g intermediate polyester, 3g trimerization
Cyanamide formaldehyde resin crosslinking agent is uniformly mixed and obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to 65-70
℃；
Intermediate polyester the preparation method comprises the following steps: in atmosphere of inert gases, by 1,3-PD, trimethylolpropane, season
Penta tetrol, which is warming up to 110 DEG C and stirs, becomes uniform molten mass, and glutaric acid and a small amount of dimethylbenzene is added, is slowly warming up to
200 DEG C, 130 DEG C are cooled to after reacting 3-4h and dimethylbenzene dilution is added；The solid content of intermediate polyester is 60%.Ethylene glycol,
Glycerine, pentaerythrite, maleic anhydride weight ratio be 100:40:5:120.
Step 2: being dripped after 5g hydroxy propyl methacrylate, 6g styrene, 10g acrylic acid are mixed together with suitable initiator
It is added in the liquid of solvent bottom, time for adding 2.5h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, heat preservation
1.5h discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator used in the step 2 accounts for raw material gross weight
0.5wt%；Initiator used in the step 3 accounts for the 0.2wt% of raw material gross weight；Initiator is when being added dropwise with 6g dimethylbenzene
Dispersion.
Embodiment 3
A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, the preparation method is as follows:
Step 1: preparing solvent bottom liquid, 23g dimethylbenzene, 20g methyl methacrylate, 25g intermediate polyester, 2.5g are gathered
Polyamide-polyamino epichlorohydrin crosslinker is uniformly mixed and obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to
65-70℃；
Intermediate polyester the preparation method comprises the following steps: in atmosphere of inert gases, by 1,3-PD, trimethylolpropane, season
Penta tetrol, which is warming up to 110 DEG C and stirs, becomes uniform molten mass, and glutaric acid and a small amount of dimethylbenzene is added, is slowly warming up to
200 DEG C, 130 DEG C are cooled to after reacting 3-4h and dimethylbenzene dilution is added；The solid content of intermediate polyester is 60%.Ethylene glycol,
Glycerine, pentaerythrite, maleic anhydride weight ratio be 100:40:5:140.
Step 2: being added dropwise after 8g hydroxy propyl methacrylate, 5g styrene, 12g acrylic acid are mixed together with 0.6g initiator
Into solvent bottom liquid, time for adding 2.5h；
Step 3: 0.3g initiator is added at one time to eliminate unreacted monomer, is warming up to 70-80 DEG C, keeps the temperature 1.5h,
It discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator is dispersed when being added dropwise with 4.5g dimethylbenzene.
Embodiment 4
A kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, the preparation method is as follows:
Step 1: solvent bottom liquid is prepared, by 40g dimethylbenzene, 15g methyl methacrylate, 20g intermediate polyester, 2g polyamides
Amine epoxy polyamine chloropropane crosslinking agent is uniformly mixed and obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to
65-70℃；
Intermediate polyester the preparation method comprises the following steps: in atmosphere of inert gases, by 1,3-PD, trimethylolpropane, season
Penta tetrol, which is warming up to 110 DEG C and stirs, becomes uniform molten mass, and glutaric acid and a small amount of dimethylbenzene is added, is slowly warming up to
200 DEG C, 130 DEG C are cooled to after reacting 3-4h and dimethylbenzene dilution is added；The solid content of intermediate polyester is 60%.Ethylene glycol,
Glycerine, pentaerythrite, maleic anhydride weight ratio be 100:45:5:75.
Step 2: being added dropwise after 5g hydroxy propyl methacrylate, 4g styrene, 10g acrylic acid are mixed together with 0.6g initiator
Into solvent bottom liquid, time for adding 2.5h；
Step 3: 0.3g initiator is added at one time to eliminate unreacted monomer, is warming up to 70-80 DEG C, keeps the temperature 1.5h,
It discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator is dispersed when being added dropwise with 6g dimethylbenzene.
Comparative example 1
A kind of acrylic resin, the preparation method is as follows:
Step 1: preparing solvent bottom liquid, 20g dimethylbenzene, 30g methyl methacrylate, 2g urea-formaldehyde resin cross-linking agent are mixed
Solvent bottom liquid uniformly is obtained, and solvent bottom liquid is passed through inert gas and is warming up to 65-70 DEG C；
Step 2: together with suitable initiation after 15g hydroxy acrylic acid esters monomer, 9g styrene, 20g acrylic acid are mixed
Agent is added drop-wise in the liquid of solvent bottom, time for adding 2.5h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, heat preservation
1.5h discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator used in the step 2 accounts for raw material gross weight
0.5wt%；Initiator used in the step 3 accounts for the 0.2wt% of raw material gross weight；Initiator is when being added dropwise with 6g dimethylbenzene
Dispersion.
Comparative example 2
A kind of acrylic resin, the preparation method is as follows:
Step 1: solvent bottom liquid is prepared, by 20g dimethylbenzene, 15g methyl methacrylate, 30g intermediate polyester, 2g ureaformaldehyde
Resin cross-linking agent is uniformly mixed and obtains solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to 65-70 DEG C；
Intermediate polyester the preparation method comprises the following steps: in atmosphere of inert gases, ethylene glycol, glycerine are warming up to 110 DEG C simultaneously
Stirring becomes uniform molten mass, and maleic anhydride and a small amount of dimethylbenzene is added, and is slowly warming up to 200 DEG C, after reacting 3-4h
It is cooled to 130 DEG C and dimethylbenzene dilution is added；The solid content of intermediate polyester is 65%.Ethylene glycol, glycerine, maleic anhydride
Weight ratio is 100:50:80.
Step 2: together with suitable initiation after 10g hydroxy acrylic acid esters monomer, 4g styrene, 15g acrylic acid are mixed
Agent is added drop-wise in the liquid of solvent bottom, time for adding 2.5h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, heat preservation
1.5h discharges and is adjusted to suitable solid content.
Initiator used in the present embodiment is azo-bis-isobutyl cyanide；Initiator used in the step 2 accounts for raw material gross weight
0.5wt%；Initiator used in the step 3 accounts for the 0.2wt% of raw material gross weight；Initiator is when being added dropwise with 6g dimethylbenzene
Dispersion.
Amino resin curing agents, suitable coloring material for mixing are added using above-mentioned resin and uniformly carry out film baking, heat afterwards
Solidity acrylic resin dosage is in 85 parts by weight, and amino resins dosage is in 13 parts by weight, 2 parts by weight of colorant powder dosage；Baking
120 DEG C of temperature, baking time 30 minutes, the hardness of embodiment 1-4 reached 3H, formed a film full, glossiness is excellent.
1 film-forming temperature of comparative example is 150 DEG C, and baking time 30 minutes, gloss richness was bad.
1 film-forming temperature of comparative example is 120 DEG C, and baking time 30 minutes, gloss richness was bad.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of high richness, low-temperature setting polyester modification thermosetting acrylic resin, which is characterized in that by following parts by weight group
Divide and be prepared: 5-10 parts of hydroxy acrylic acid esters monomers, 15-25 parts of methyl methacrylates, 4-6 parts of styrene, 20-30 parts
Intermediate polyester, 10-15 part acrylic acid, 2-3 parts of amino resin crosslinking agents and solvent；All raw material gross weights are 100 weight
Part；
The intermediate polyester is synthesized to obtain by polyalcohol and binary acid；The weight ratio of the polyalcohol and binary acid is 1:1-
2:1。
2. high richness according to claim 1, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In the hydroxy acrylic acid esters monomer is that hydroxyethyl methacrylate, hydroxy propyl methacrylate and hydroxy stearate are misery
One of ester.
3. high richness according to claim 1, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In the amino resin crosslinking agent is Lauxite, melamine resin, Polyamide-Polyamsne-Epichlorohydrin.
4. high richness according to claim 1, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In free radical used in the modified propylene acid type resin can be selected from peroxidating phenyl-diformyl or two t-amyl peroxy compounds.
5. high richness according to claim 1, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In the polyalcohol is the combination of dihydric alcohol, trihydroxylic alcohol, pentaerythrite, wherein the weight of dihydric alcohol, trihydroxylic alcohol, pentaerythrite
Amount is than being 100:40-50:3-5.
6. high richness according to claim 5, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In the dihydric alcohol is one of ethylene glycol, 1,3-PD, 1,4-butanediol；The trihydroxylic alcohol is glycerine, three hydroxyls
One of methylpropane.
7. high richness according to claim 5, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
It is succinic acid, glutaric acid, adipic acid or acid anhydrides in, the binary acid, the acid anhydrides is maleic anhydride, one in glutaric anhydride
Kind.
8. high richness according to claim 1, low-temperature setting polyester modification thermosetting acrylic resin, feature exist
In the solvent is dimethylbenzene or toluene.
9. a kind of high richness a method as claimed in any one of claims 1-8, low-temperature setting polyester modification thermosetting acrylic resin
Preparation method, which comprises the steps of:
Step 1: preparing solvent bottom liquid, solvent, methyl methacrylate, intermediate polyester, amino resin crosslinking agent are mixed equal
It is even to obtain solvent bottom liquid, and solvent bottom liquid is passed through inert gas and is warming up to 65-70 DEG C；
Step 2: being added drop-wise to solvent together with suitable initiator after hydroxy acrylic acid esters monomer, styrene, acrylic acid are mixed
In the liquid of bottom, time for adding 2-3h；
Step 3: being added at one time suitable initiator to eliminate unreacted monomer, be warming up to 70-80 DEG C, keep the temperature 1-2h, out
Expect and is adjusted to suitable solid content.
10. the preparation side of high richness according to claim 9, low-temperature setting polyester modification thermosetting acrylic resin
Method, which is characterized in that initiator used in the step 2 and step 3 is radical initiator；The initiator is even
One of nitrogen class initiator, redox system initiator；
Initiator used in the step 2 accounts for the 0.3-0.7wt% of raw material gross weight；
Initiator used in the step 3 accounts for the 0.2-0.4wt% of raw material gross weight.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393622A (en) * | 2020-04-29 | 2020-07-10 | 广东邦弗特新材料有限公司 | Saturated polyester resin modified by hydroxyl acrylic fluorine-containing resin and preparation method thereof |
| CN116656199A (en) * | 2023-05-24 | 2023-08-29 | 广东邦固化学科技有限公司 | Low-temperature fast-curing common electrochemical aluminum color layer coating and preparation method thereof |
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|---|---|---|---|---|
| JPS60166313A (en) * | 1984-02-07 | 1985-08-29 | Hitachi Chem Co Ltd | Production of vinylated alkyd resin |
| CN104130384A (en) * | 2013-05-02 | 2014-11-05 | 浙江富德漆业有限公司 | Ultrafast-drying alkyd resin used for amino paint and preparation method thereof |
| CN109679468A (en) * | 2018-12-29 | 2019-04-26 | 江西原石科技有限公司 | A kind of waterborne polyester-acrylic resin hybrid and preparation method |
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2019
- 2019-07-06 CN CN201910607156.9A patent/CN110330598A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166313A (en) * | 1984-02-07 | 1985-08-29 | Hitachi Chem Co Ltd | Production of vinylated alkyd resin |
| CN104130384A (en) * | 2013-05-02 | 2014-11-05 | 浙江富德漆业有限公司 | Ultrafast-drying alkyd resin used for amino paint and preparation method thereof |
| CN109679468A (en) * | 2018-12-29 | 2019-04-26 | 江西原石科技有限公司 | A kind of waterborne polyester-acrylic resin hybrid and preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393622A (en) * | 2020-04-29 | 2020-07-10 | 广东邦弗特新材料有限公司 | Saturated polyester resin modified by hydroxyl acrylic fluorine-containing resin and preparation method thereof |
| CN116656199A (en) * | 2023-05-24 | 2023-08-29 | 广东邦固化学科技有限公司 | Low-temperature fast-curing common electrochemical aluminum color layer coating and preparation method thereof |
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