CN104341558A - Synthesis method of water-based acrylic modified alkyd resin paint - Google Patents
Synthesis method of water-based acrylic modified alkyd resin paint Download PDFInfo
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- CN104341558A CN104341558A CN201410579263.2A CN201410579263A CN104341558A CN 104341558 A CN104341558 A CN 104341558A CN 201410579263 A CN201410579263 A CN 201410579263A CN 104341558 A CN104341558 A CN 104341558A
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Abstract
The invention relates to a synthesis method of a water-based acrylic modified alkyd resin paint, which comprises the following steps: adding monoglyceryl ester, PA (polyamide), MA (maleic anhydride), DMPA (dimethylolpropionic acid) and a solvent xylene into a four-neck flask which is provided with a stirring paddle, a thermometer, a heating jacket thermocouple, a thermoforming water separator and a reflex condenser; introducing nitrogen and condensation water, heating, and vacuumizing to remove the solvent when the acid number is lowered to the preset value, thereby obtaining a xylene resin; adding a cosolvent to dilute a solvent, introducing nitrogen and condensation water, heating, dropwisely adding a modified acrylic monomer-initiator mixture into the four-neck flask under reflux conditions, keeping the temperature, and supplementing the initiator to obtain the acrylic modified alkyd resin; and adding the initiator, lowering the temperature, dispersing with a proper amount of TEA (triethanolamine hydrochloride), and thoroughly mixing to obtain the water-based alkyd resin paint. The method is simple, and has the advantages of low cost and high controllability. The synthetic water-based acrylic modified alkyd resin paint has the advantages of favorable water resistance, favorable gloss retentivity, high adhesive force and high drying speed.
Description
Technical field
The present invention relates to a kind of synthetic technology of organic coating, particularly relate to a kind of aqueous acrylic acid modified alkyd resin coating synthetic method.
Background technology
Water-borne Alkyd Coatings, the wettability of coating and matrix is very good, but due in Synolac molecular structure containing more vinegar base, cause that hardness is low, water tolerance, erosion resistance are poor, weathering resistance is poor, need the improvement of through performance, with the requirement of content with funtion.
The method of modifying of Synolac is divided into: one is interlaminar resin blending and modifying.The unsaturated fatty acids of 5% of total amount of resin, the water-soluble miscellany of methyl propenoic acid glycidyl cruel (G MA) and V-Pyrol RC (NVP), add alkyd emulsion, what form material prepares aqueous alkide resin, and the glossiness of film is higher than identical component solvent alcohol acid resin.As employed the water-base resin of 20% to 30% and the amount of resin of soap-free emulsion mixing, gained water-resistance property of coating is close to solvent type resin, and sticking power is good, facilitates Gloss Retention greatly.Two is phenylethene modified.Styrene alkyd resin paint has good water tolerance, strong adhesion, the advantages such as fast drying.Three is the vinylformic acid of modification.The Synolac of Acrylic Acid Monomer modification, uses the method can be divided into method and the chemic modified method of physical mixed.But because the consistency of acrylic resin and Synolac is not fine, for obtaining better modified resin, the method for chemical modification can be used.Four is organic-silicon-modified.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of method, and cost is low, easy to control, and the aqueous acrylic acid modified alkyd resin coating of synthesis has the synthetic method of good water tolerance, Gloss Retention and strong adhesion, fast drying.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of aqueous acrylic acid modified alkyd resin coating synthetic method, comprises the steps:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add direactive glyceride, PA, MA, DMPA and solvent xylene;
Pass into nitrogen and water of condensation, heating, when acid number is down to preset value, solvent removed in vacuo, obtains xylene resin;
In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, heating, the acrylic monomer of modification and the mixture of initiator under reflux conditions instill four-hole boiling flask, after insulation, fill into initiator, obtain acrylic acid series modified alkyd resin;
Add initiator, reduce temperature, disperse with appropriate TEA, fully mix, obtain Water-borne Alkyd Coatings.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described in the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add direactive glyceride, being implemented as follows of PA, MA, DMPA and solvent xylene step:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add the direactive glyceride of 10 ~ 13%, PA, the MA of 2 ~ 6% of 1 ~ 5%, the solvent xylene of the DMPA of 1 ~ 3% and 8 ~ 12%.
Further, described in pass into nitrogen and water of condensation, heating, when acid number is down to preset value, solvent removed in vacuo, obtains being implemented as follows of xylene resin step:
Pass into nitrogen and water of condensation, be heated to 180 ~ 185 DEG C, when acid number is down to below 70mgKOH/g, solvent removed in vacuo, obtains xylene resin.
Further, in a solvent described, add solubility promoter latting drown, logical nitrogen and water of condensation, heating, the acrylic monomer of modification and the mixture of initiator under reflux conditions instill four-hole boiling flask, after insulation, fill into initiator, obtain being implemented as follows of acrylic acid series modified alkyd resin step:
In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, be heated to 90 ~ 100 DEG C, under reflux conditions, instillation four-hole boiling flask in 2 ~ 3h, after 90 ~ 100 DEG C of insulation 2 ~ 3h for the acrylic monomer of modification and the mixture of initiator, fill into initiator, obtain acrylic acid series modified alkyd resin.
Further, described in add initiator, reduce temperature, disperse with appropriate TEA, fully mix, obtain being implemented as follows of Water-borne Alkyd Coatings step:
Add the initiator of 1 ~ 3%, reduce temperature to 60 ~ 70 DEG C, with the TEA dispersion of 5 ~ 8%, fully mix 10 ~ 30min, make the Water-borne Alkyd Coatings that solids content is 20 ~ 100nm.
The invention has the beneficial effects as follows: method is simple, and cost is low, easy to control, and the aqueous acrylic acid modified alkyd resin coating of synthesis has good water tolerance, Gloss Retention and strong adhesion, fast drying.
Embodiment
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of aqueous acrylic acid modified alkyd resin coating synthetic method, comprises the steps:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add direactive glyceride, PA, MA, DMPA and solvent xylene;
Pass into nitrogen and water of condensation, heating, when acid number is down to preset value, solvent removed in vacuo, obtains xylene resin;
In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, heating, the acrylic monomer of modification and the mixture of initiator under reflux conditions instill four-hole boiling flask, after insulation, fill into initiator, obtain acrylic acid series modified alkyd resin;
Add initiator, reduce temperature, disperse with appropriate TEA, fully mix, obtain Water-borne Alkyd Coatings.
Embodiment 1:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add the direactive glyceride of 10%, PA, the MA of 2% of 1%, the solvent xylene of the DMPA of 1% and 8%; Pass into nitrogen and water of condensation, be heated to 180 DEG C, when acid number is down to 70mgKOH/g, solvent removed in vacuo, obtains xylene resin; In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, be heated to 90 DEG C, the acrylic monomer of modification and the mixture of initiator under reflux conditions, instill four-hole boiling flask in 2h, after 90 DEG C of insulation 2h, fill into initiator, obtain acrylic acid series modified alkyd resin; Add the initiator of 1%, reduce temperature to 60 DEG C, with the TEA dispersion of 5%, fully mix 10min, make the Water-borne Alkyd Coatings that solids content is 20nm.
Embodiment 2:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add the direactive glyceride of 12%, PA, the MA of 4% of 3%, the solvent xylene of the DMPA of 2% and 10%; Pass into nitrogen and water of condensation, be heated to 182 DEG C, when acid number is down to 60mgKOH/g, solvent removed in vacuo, obtains xylene resin; In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, be heated to 95 DEG C, the acrylic monomer of modification and the mixture of initiator under reflux conditions, instill four-hole boiling flask in 2.5h, after 95 DEG C of insulation 2.5h, fill into initiator, obtain acrylic acid series modified alkyd resin; Add the initiator of 2%, reduce temperature to 65 DEG C, with the TEA dispersion of 6%, fully mix 20min, make the Water-borne Alkyd Coatings that solids content is 60nm.
Embodiment 3:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add the direactive glyceride of 13%, PA, the MA of 6% of 5%, the solvent xylene of the DMPA of 3% and 12%; Pass into nitrogen and water of condensation, be heated to 185 DEG C, when acid number is down to 50mgKOH/g, solvent removed in vacuo, obtains xylene resin; In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, be heated to 100 DEG C, the acrylic monomer of modification and the mixture of initiator under reflux conditions, instill four-hole boiling flask in 3h, after 100 DEG C of insulation 3h, fill into initiator, obtain acrylic acid series modified alkyd resin; Add the initiator of 3%, reduce temperature to 70 DEG C, with the TEA dispersion of 100 DEG C 8%, fully mix 30min, make the Water-borne Alkyd Coatings that solids content is 100nm.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an aqueous acrylic acid modified alkyd resin coating synthetic method, is characterized in that, comprises the steps:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add direactive glyceride, PA, MA, DMPA and solvent xylene;
Pass into nitrogen and water of condensation, heating, when acid number is down to preset value, solvent removed in vacuo, obtains xylene resin;
In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, heating, the acrylic monomer of modification and the mixture of initiator under reflux conditions instill four-hole boiling flask, after insulation, fill into initiator, obtain acrylic acid series modified alkyd resin;
Add initiator, reduce temperature, disperse with appropriate TEA, fully mix, obtain Water-borne Alkyd Coatings.
2. a kind of aqueous acrylic acid modified alkyd resin coating synthetic method according to claim 1, it is characterized in that, described in the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add direactive glyceride, being implemented as follows of PA, MA, DMPA and solvent xylene step:
In the four-hole boiling flask of stirring rake, thermometer, heating jacket thermopair, heat setting type water separator and reflux exchanger, add the direactive glyceride of 10 ~ 13%, PA, the MA of 2 ~ 6% of 1 ~ 5%, the solvent xylene of the DMPA of 1 ~ 3% and 8 ~ 12%.
3. a kind of aqueous acrylic acid modified alkyd resin coating synthetic method according to claim 1, is characterized in that, described in pass into nitrogen and water of condensation, heating, when acid number is down to preset value, solvent removed in vacuo, obtains being implemented as follows of xylene resin step:
Pass into nitrogen and water of condensation, be heated to 180 ~ 185 DEG C, when acid number is down to below 70mgKOH/g, solvent removed in vacuo, obtains xylene resin.
4. a kind of aqueous acrylic acid modified alkyd resin coating synthetic method according to claim 1, it is characterized in that, in a solvent described, add solubility promoter latting drown, logical nitrogen and water of condensation, heating, the acrylic monomer of modification and the mixture of initiator under reflux conditions instill four-hole boiling flask, after insulation, fill into initiator, obtain being implemented as follows of acrylic acid series modified alkyd resin step:
In a solvent, add solubility promoter latting drown, logical nitrogen and water of condensation, be heated to 90 ~ 100 DEG C, under reflux conditions, instillation four-hole boiling flask in 2 ~ 3h, after 90 ~ 100 DEG C of insulation 2 ~ 3h for the acrylic monomer of modification and the mixture of initiator, fill into initiator, obtain acrylic acid series modified alkyd resin.
5. a kind of aqueous acrylic acid modified alkyd resin coating synthetic method according to claim 1, is characterized in that, described in add initiator, reduce temperature, disperse with appropriate TEA, fully mix, obtain being implemented as follows of Water-borne Alkyd Coatings step:
Add the initiator of 1 ~ 3%, reduce temperature to 60 ~ 70 DEG C, with the TEA dispersion of 5 ~ 8%, fully mix 10 ~ 30min, make the Water-borne Alkyd Coatings that solids content is 20 ~ 100nm.
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| CN201410579263.2A CN104341558A (en) | 2014-10-25 | 2014-10-25 | Synthesis method of water-based acrylic modified alkyd resin paint |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945566A (en) * | 2015-05-20 | 2015-09-30 | 安徽省金盾涂料有限责任公司 | PIA waste modified alkyd resin and preparation method thereof |
| CN106220827A (en) * | 2016-07-29 | 2016-12-14 | 河北晨阳工贸集团有限公司 | A kind of monomer modified epoxy-ester of silyl acrylate and preparation method thereof |
| CN106280892A (en) * | 2016-08-26 | 2017-01-04 | 安徽开林新材料股份有限公司 | A kind of ageing-resistant and there is the epoxy coating of excellent mechanical performance |
| CN106349896A (en) * | 2016-08-26 | 2017-01-25 | 安徽开林新材料股份有限公司 | Preparation method of alkyd resin coating with excellent mechanical property |
| CN106381025A (en) * | 2016-08-26 | 2017-02-08 | 安徽开林新材料股份有限公司 | Waterproof aging-resistant alkyd resin paint |
-
2014
- 2014-10-25 CN CN201410579263.2A patent/CN104341558A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945566A (en) * | 2015-05-20 | 2015-09-30 | 安徽省金盾涂料有限责任公司 | PIA waste modified alkyd resin and preparation method thereof |
| CN104945566B (en) * | 2015-05-20 | 2019-01-01 | 安徽省金盾涂料有限责任公司 | A kind of waste modified alkyd resin of PIA and preparation method thereof |
| CN106220827A (en) * | 2016-07-29 | 2016-12-14 | 河北晨阳工贸集团有限公司 | A kind of monomer modified epoxy-ester of silyl acrylate and preparation method thereof |
| CN106220827B (en) * | 2016-07-29 | 2018-12-11 | 河北晨阳工贸集团有限公司 | A kind of monomer modified epoxy-ester of silyl acrylate and preparation method thereof |
| CN106280892A (en) * | 2016-08-26 | 2017-01-04 | 安徽开林新材料股份有限公司 | A kind of ageing-resistant and there is the epoxy coating of excellent mechanical performance |
| CN106349896A (en) * | 2016-08-26 | 2017-01-25 | 安徽开林新材料股份有限公司 | Preparation method of alkyd resin coating with excellent mechanical property |
| CN106381025A (en) * | 2016-08-26 | 2017-02-08 | 安徽开林新材料股份有限公司 | Waterproof aging-resistant alkyd resin paint |
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Application publication date: 20150211 |