CN106750225A - A kind of aqueous polyester resin, preparation method and the functional aid based on it - Google Patents
A kind of aqueous polyester resin, preparation method and the functional aid based on it Download PDFInfo
- Publication number
- CN106750225A CN106750225A CN201611115467.6A CN201611115467A CN106750225A CN 106750225 A CN106750225 A CN 106750225A CN 201611115467 A CN201611115467 A CN 201611115467A CN 106750225 A CN106750225 A CN 106750225A
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- polyester resin
- aqueous polyester
- acid
- weight portion
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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
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
-
- 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
- C08G63/78—Preparation processes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
Abstract
The present invention provides a kind of aqueous polyester resin, is made up of the following each raw material of parts by weight：15~18 parts of trimethylolpropane, 25~30 parts of neopentyl glycol, 18~22 parts of 5 sodium sulfonate of M-phthalic acid, 25~30 parts of adipic acid, 5~8 parts of hexahydro-phthalic acid, 12~15 parts of butyl glycol ether, 8~10 parts of sec-butyl alcohol, 0.05~0.08 part of Dibutyltin oxide, 8~10 parts of dimethylethanolamine.The present invention is mainly comprising a kind of ring binary acid emulsification group monomer for introducing non-phenyl ring, improve water-soluble, the sodium sulfonate of aqueous functional monomer M-phthalic acid 5 is introduced directly into main chain simultaneously, aqueous polyester resin is obtained, the present invention also provides its preparation method and the functional aid based on it.
Description
Technical field
The invention belongs to water paint function additive and preparation method technical field, it is related to a kind of aqueous polyester resin.
Background technology
In recent years, with the requirement more and more higher of Painting Technology for Automobile, Polyester resin lacquer is because excellent performance is in industry
Interior consumption also increases year by year.And the polyester resin for being used at present is advocating low-carbon environment-friendly mainly or based on solvent-borne type
Today, waterborne polyester will certainly turn into before 21 century environment-friendly type coating develops with its excellent performance and low VOC emission amount and grind.
Aqueous polyester resin has the advantage that：
1. excellent hardness and flexible balance；
2. because of polar relationship, there is splendid ply adhesion to ground and composite coating, anti-stoning is good；
3. high glaze and splendid richness；
4. good weather-proof, water-fast, solvent resistant and ageing-resistant；
5. it is environment-friendly, low VOC emission；
6. resin particle is small to the sensitiveness of mechanical agitation, heating and dilution, with good hydrolytic resistance and elasticity.
The deficiency of existing water paint coating adhesion, especially in coating metal surfaces and decoration, and its is good water-soluble
Property, stability, glossiness are high, weatherability performance is undesirable.
The content of the invention
It is an object of the invention to provide a kind of aqueous polyester resin, one or more in above-mentioned technical problem is solved.
On the one hand, the present invention provides a kind of aqueous polyester resin, is made up of the following each raw material of parts by weight：Trihydroxy methyl
15~18 parts of propane, 25~30 parts of neopentyl glycol, 18~22 parts of 5-sodium sulfo isophthalate, 25~30 parts of adipic acid, hexahydro
Change 5~8 parts of phthalic acid, 12~15 parts of butyl glycol ether, 8~10 parts of sec-butyl alcohol, 0.05~0.08 part of Dibutyltin oxide,
8~10 parts of dimethylethanolamine.
A kind of aqueous polyester resin that the present invention is provided, mainly emulsifies group comprising a kind of ring binary acid for introducing non-phenyl ring
Monomer, improves water-soluble, while being introduced directly into aqueous functional monomer 5-sodium sulfo isophthalate in main chain, obtains water-soluble
Good polyester resin.
On the other hand, the present invention provides a kind of preparation method of aqueous polyester resin, comprises the following steps；
By 25~30 weight portion neopentyl glycols, 15~18 weight portion trimethylolpropanes, 18~22 weight portion isophthalic diformazans
Acid -5- sodium sulfonates, 25~30 weight portion adipic acids and 0.05~0.08 weight portion Dibutyltin oxide add belt stirrer and cold
In the reaction vessel of solidifying pipe, lead to nitrogen, be to slowly warm up to 130 DEG C, material is melted completely, then heat to 170 DEG C, insulation 1
Hour, be then warming up to 210 DEG C with the programming rate of 10 DEG C/h, keep this temperature to be esterified, until acid number (KOH) reach 5~
8mg/g；
Then 180 DEG C are cooled to, 5~8 parts of hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid is treated
After value (KOH) reaches 30~35mg/g, 60~70mg/g of hydroxyl value (KOH) arrival, less than 100 DEG C additions, 12~15 parts of second are cooled to
Glycol butyl ether and 8~10 parts of sec-butyl alcohol dilutions, neutralize by 8~10 parts of dimethylethanolamines, obtain aqueous polyester resin.
The aqueous polyester resin that the present invention is provided is esterified by polyalcohol and polyacid, to prevent early stage reaction gel,
By the way of polyalcohol excess, the average functionality of system is reduced；The ring binary acid emulsification group monomer of non-phenyl ring is introduced afterwards,
Improve water-soluble, while being introduced directly into aqueous functional monomer 5-sodium sulfo isophthalate in main chain, finally use aminated compounds
Remaining carboxyl into salt is neutralized, it is final to obtain water-soluble good polyester resin.It is equipped with polyurethane or blocked isocyanate is
Curing agent, because of polar relationship, unexpected obtain has splendid ply adhesion to ground and composite coating.
Another further aspect, present invention also offers a kind of function additive of adhesive force between raising water-borne coating, will be above-mentioned
A kind of aqueous polyester resin that preparation method is obtained adds 40 parts by weight of deionized water, obtains this product.
Specific embodiment
The present invention provides a kind of aqueous polyester resin, is made up of following each raw material：It is 15~18g of trimethylolpropane, new
25~30g of pentanediol, 18~22g of 5-sodium sulfo isophthalate, 25~30g of adipic acid, 5~8g of hexahydro-phthalic acid,
12~15g of butyl glycol ether, 8~10g of sec-butyl alcohol, 0.05~0.08g of Dibutyltin oxide, 8~10g of dimethylethanolamine.
A kind of aqueous polyester resin that the present invention is provided, mainly emulsifies group comprising a kind of ring binary acid for introducing non-phenyl ring
Monomer, improves water-soluble, while being introduced directly into aqueous functional monomer 5-sodium sulfo isophthalate in main chain, obtains water-soluble
Good polyester resin.
On the other hand, the present invention provides a kind of preparation method of aqueous polyester resin, comprises the following steps；
By 25~30g neopentyl glycols, 15~18g trimethylolpropanes, 18~22g 5-sodium sulfo isophthalates, 25~
30g adipic acids and 0.05~0.08g Dibutyltin oxides are added in the reaction vessel of belt stirrer and condenser pipe, lead to nitrogen, are delayed
Slowly 130 DEG C are warming up to, material is melted completely, then heat to 170 DEG C, 1 hour is incubated, then with the programming rate of 10 DEG C/h
210 DEG C are warming up to, keep this temperature to be esterified, until acid number (KOH) reaches 5~8mg/g；
Then 180 DEG C are cooled to, 5~8g hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid is treated
After value (KOH) reaches 30~35mg/g, 60~70mg/g of hydroxyl value (KOH) arrival, less than 100 DEG C addition 12~15g second are cooled to
Glycol butyl ether and 8~10g sec-butyl alcohols dilute, and are neutralized by 8~10g dimethylethanolamines, obtain aqueous polyester resin.
The aqueous polyester resin that the present invention is provided is esterified by polyalcohol and polyacid, to prevent early stage reaction gel,
By the way of polyalcohol excess, the average functionality of system is reduced；The ring binary acid emulsification group monomer of non-phenyl ring is introduced afterwards,
Improve water-soluble, while being introduced directly into aqueous functional monomer 5-sodium sulfo isophthalate in main chain, finally use aminated compounds
Remaining carboxyl into salt is neutralized, it is final to obtain water-soluble good polyester resin.It is equipped with polyurethane or blocked isocyanate is
Curing agent, because of polar relationship, unexpected obtain has splendid ply adhesion to ground and composite coating.
A kind of aqueous polyester resin that the present invention is provided and preparation method thereof can have following examples.Embodiment 1：
The present invention provides a kind of aqueous polyester resin, is made up of following each raw material：Trimethylolpropane 15g, new penta 2
Alcohol 25g, 5-sodium sulfo isophthalate 18g, adipic acid 25g, hexahydro-phthalic acid 5g, butyl glycol ether 12g, Zhong Ding
Alcohol 8g, Dibutyltin oxide 0.05g, dimethylethanolamine 8g.
The present invention provides a kind of preparation method of aqueous polyester resin, comprises the following steps；
By 25g neopentyl glycols, 15g trimethylolpropanes, 18g 5-sodium sulfo isophthalates, 25g adipic acids and 0.05g
Dibutyltin oxide is added in the reaction vessel of belt stirrer and condenser pipe, leads to nitrogen, is to slowly warm up to 130 DEG C, makes material complete
It is complete to melt, 170 DEG C are then heated to, 1 hour is incubated, 210 DEG C then are warming up to the programming rate of 10 DEG C/h, keep this temperature
Esterification, until acid number (KOH) reaches 5mg/g；
Then 180 DEG C are cooled to, 5g hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid number is treated
(KOH) after reaching 30mg/g, hydroxyl value (KOH) arrival 60mg/g, less than 100 DEG C are cooled to and add 12g butyl glycol ethers and 8g secondary
Butanol dilutes, and is neutralized by 8g dimethylethanolamines, obtains aqueous polyester resin.
Embodiment 2：
The present invention provides a kind of aqueous polyester resin, is made up of following each raw material：Trimethylolpropane 18g, new penta 2
Alcohol 30g, 5-sodium sulfo isophthalate 22g, adipic acid 30g, hexahydro-phthalic acid 8g, butyl glycol ether 15g, Zhong Ding
Alcohol 10g, Dibutyltin oxide 0.08g, dimethylethanolamine 10g.
The present invention provides a kind of preparation method of aqueous polyester resin, comprises the following steps；
By 30g neopentyl glycols, 18g trimethylolpropanes, 22g 5-sodium sulfo isophthalates, 30g adipic acids and 0.08g
Dibutyltin oxide is added in the reaction vessel of belt stirrer and condenser pipe, leads to nitrogen, is to slowly warm up to 130 DEG C, makes material complete
It is complete to melt, 170 DEG C are then heated to, 1 hour is incubated, 210 DEG C then are warming up to the programming rate of 10 DEG C/h, keep this temperature
Esterification, until acid number (KOH) reaches 8mg/g；
Then 180 DEG C are cooled to, 8g hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid number is treated
(KOH) after reaching 35mg/g, hydroxyl value (KOH) arrival 70mg/g, less than 100 DEG C are cooled to and add 15g butyl glycol ethers and 10g secondary
Butanol dilutes, and is neutralized by 10g dimethylethanolamines, obtains aqueous polyester resin.
Embodiment 3：
The present invention provides a kind of aqueous polyester resin, is made up of following each raw material：Trimethylolpropane 16g, new penta 2
Alcohol 28g, 5-sodium sulfo isophthalate 20g, adipic acid 28g, hexahydro-phthalic acid 7g, butyl glycol ether 13g, Zhong Ding
Alcohol 9g, Dibutyltin oxide 0.07g, dimethylethanolamine 9g.
The present invention provides a kind of preparation method of aqueous polyester resin, comprises the following steps；
By 28g neopentyl glycols, 16g trimethylolpropanes, 20g 5-sodium sulfo isophthalates, 28g adipic acids and 0.07g
Dibutyltin oxide is added in the reaction vessel of belt stirrer and condenser pipe, leads to nitrogen, is to slowly warm up to 130 DEG C, makes material complete
It is complete to melt, 170 DEG C are then heated to, 1 hour is incubated, 210 DEG C then are warming up to the programming rate of 10 DEG C/h, keep this temperature
Esterification, until acid number (KOH) reaches 7mg/g；
Then 180 DEG C are cooled to, 7g hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid number is treated
(KOH) after reaching 33mg/g, hydroxyl value (KOH) arrival 65mg/g, less than 100 DEG C are cooled to and add 13g butyl glycol ethers and 9g secondary
Butanol dilutes, and is neutralized by 9g dimethylethanolamines, obtains aqueous polyester resin.
Another further aspect, present invention also offers a kind of function additive of adhesive force between raising water-borne coating, will be above-mentioned
A kind of aqueous polyester resin that preparation method is obtained adds 40g deionized waters, obtains this product.
By the function additive of adhesive force between a kind of raising water-borne coating obtained in above-described embodiment 3, it is added to existing
In water paint, making sheet is carried out with this water paint and is tested and is not added with contrasting for this auxiliary agent, spraying thickness is 20~25um,
25 DEG C of test sample plate technical indicators are cooled to after 140 DEG C of * 20min bakings.Model the key technical indexes contrast such as following table：
Above-mentioned existing water paint is the DWP-2050 of gloomy chemistry science and technology (Jiangsu) Co., Ltd of great power.
It can be seen that the obtained aqueous coating agent of the present invention, is added in existing water paint, making sheet is carried out with this water paint
Test and do not add contrasting for this auxiliary agent, spraying thickness is 20-25um, and 25 DEG C, outside application are cooled to after 140 DEG C of * 20min bakings
See smooth, good leveling property richness is high, and glossiness is high, excellent ground and ply adhesion, and excellent impact resistance, good is resistance to
Time, water-fast, solvent resistant and friendly ageing-resistant and to environment.There is preferably salt fog resistance simultaneously, tried through 800 hours NSS
Test, it is corrosion-resistant all right.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. a kind of aqueous polyester resin, it is characterised in that be made up of the following each raw material of parts by weight：Trimethylolpropane 15~
18 parts, 25~30 parts of neopentyl glycol, 18~22 parts of 5-sodium sulfo isophthalate, 25~30 parts of adipic acid, hexahydro neighbour benzene two
5~8 parts of formic acid, 12~15 parts of butyl glycol ether, 8~10 parts of sec-butyl alcohol, 0.05~0.08 part of Dibutyltin oxide, dimethyl second
8~10 parts of hydramine.
2. a kind of preparation method of aqueous polyester resin, it is characterised in that comprise the following steps；
By 25~30 weight portion neopentyl glycols, 15~18 weight portion trimethylolpropanes, 18~22 weight portion M-phthalic acid -5-
Sodium sulfonate, 25~30 weight portion adipic acids and 0.05~0.08 weight portion Dibutyltin oxide add belt stirrer and condenser pipe
In reaction vessel, lead to nitrogen, be to slowly warm up to 130 DEG C, material is melted completely, then heat to 170 DEG C, be incubated 1 hour, so
210 DEG C are warming up to the programming rate of 10 DEG C/h afterwards, keep this temperature to be esterified, until acid number (KOH) reaches 5~8mg/g；
Then 180 DEG C are cooled to, 5~8 parts of hexahydro-phthalic acids are added, 200 DEG C of constant temperature esterification 2h are warming up to, acid number is treated
(KOH) after reaching 30~35mg/g, 60~70mg/g of hydroxyl value (KOH) arrival, less than 100 DEG C additions, 12~15 parts of second two are cooled to
Alcohol butyl ether and 8~10 parts of sec-butyl alcohol dilutions, neutralize by 8~10 parts of dimethylethanolamines, obtain aqueous polyester resin.
3. a kind of function additive for improving adhesive force between water-borne coating, it is characterised in that will be by the preparation of claim 2
A kind of aqueous polyester resin that method is obtained adds 40 parts by weight of deionized water, obtains this product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115467.6A CN106750225A (en) | 2016-12-07 | 2016-12-07 | A kind of aqueous polyester resin, preparation method and the functional aid based on it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115467.6A CN106750225A (en) | 2016-12-07 | 2016-12-07 | A kind of aqueous polyester resin, preparation method and the functional aid based on it |
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| Publication Number | Publication Date |
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| CN106750225A true CN106750225A (en) | 2017-05-31 |
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| CN201611115467.6A Pending CN106750225A (en) | 2016-12-07 | 2016-12-07 | A kind of aqueous polyester resin, preparation method and the functional aid based on it |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183678A (en) * | 2019-06-14 | 2019-08-30 | 长沙学院 | A kind of aqueous hyperbranched polyester resin and its preparation method and application |
| CN111234191A (en) * | 2020-03-26 | 2020-06-05 | 山东福司特新材料科技有限公司 | Preparation method and application of saturated polyester resin with self-emulsifying and water-dissolving properties |
| CN114409882A (en) * | 2022-01-27 | 2022-04-29 | 重庆毂运科技有限公司 | Water-based polyester resin and preparation method thereof |
| CN115558450A (en) * | 2022-09-08 | 2023-01-03 | 中国科学院广州地球化学研究所 | Water-based heat transfer printing glue and application thereof |
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| CN104617712A (en) * | 2015-01-22 | 2015-05-13 | 珠海格力电器股份有限公司 | Motor shell and servo motor |
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2016
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| CN104617712A (en) * | 2015-01-22 | 2015-05-13 | 珠海格力电器股份有限公司 | Motor shell and servo motor |
Non-Patent Citations (1)
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|---|
| 闫福安: "《水性树脂与水性涂料》", 31 January 2011, 化学工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183678A (en) * | 2019-06-14 | 2019-08-30 | 长沙学院 | A kind of aqueous hyperbranched polyester resin and its preparation method and application |
| CN110183678B (en) * | 2019-06-14 | 2022-01-25 | 长沙学院 | Water-based hyperbranched polyester resin and preparation method and application thereof |
| CN111234191A (en) * | 2020-03-26 | 2020-06-05 | 山东福司特新材料科技有限公司 | Preparation method and application of saturated polyester resin with self-emulsifying and water-dissolving properties |
| CN114409882A (en) * | 2022-01-27 | 2022-04-29 | 重庆毂运科技有限公司 | Water-based polyester resin and preparation method thereof |
| CN115558450A (en) * | 2022-09-08 | 2023-01-03 | 中国科学院广州地球化学研究所 | Water-based heat transfer printing glue and application thereof |
| CN115558450B (en) * | 2022-09-08 | 2023-11-07 | 中国科学院广州地球化学研究所 | Water-based thermal transfer glue and application thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Huang Lei Inventor after: Liu Weiwei Inventor after: Tang Zhiwen Inventor after: Li Hanghang Inventor before: Hu Haodong Inventor before: Liu Weiwei Inventor before: Su Xianlan Inventor before: Liu Ming Inventor before: Zhou Jinsheng Inventor before: Jia Longjuan Inventor before: Xu Qing |
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Application publication date: 20170531 |
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