CN104327682A - Waterborne polyester resin insulating varnish synthesis process - Google Patents
Waterborne polyester resin insulating varnish synthesis process Download PDFInfo
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- CN104327682A CN104327682A CN201410491800.8A CN201410491800A CN104327682A CN 104327682 A CN104327682 A CN 104327682A CN 201410491800 A CN201410491800 A CN 201410491800A CN 104327682 A CN104327682 A CN 104327682A
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- polyester resin
- temperature
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- resin insulating
- insulating varnish
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyesters Or Polycarbonates (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
The invention discloses a waterborne polyester resin insulating varnish synthesis process, and relates to the technical field of chemical industry; waterborne polyester resin insulating varnish is prepared as follows: selecting a reaction apparatus, adding dimethyl terephthalate, glycol, diethylene glycol, glycerol and zinc acetate, heating for constant temperature reaction, then adding pyromellitic dianhydride (PMDA), cooling, then adding cyclohexanone, then controlling the temperature at 50 to 70 DEG C, introducing triethanolamine to adjust the internal mixture pH to 6-8, and introducing water to dilute to obtain a slightly opalescent solution, namely the waterborne polyester resin insulating varnish. The beneficial effects of the waterborne polyester resin insulating varnish are that: the waterborne polyester resin insulating varnish synthesis process is convenient and simple in preparation, environmentally-friendly, free of pollution, easy availability in raw materials, less in equipment investment, pure in quality, and convenient in operation, and the prepared waterborne polyester resin insulating varnish is good in use effect, safe, non-toxic, long in storage time, low in manufacturing cost, safe and reliable.
Description
Technical field
The present invention relates to chemical technology field, be specifically related to a kind of aqueous polyester resin insullac synthesis technique.
Background technology
Vibrin used in coating be generally low-molecular-weight, amorphous, containing side chain, the polymkeric substance that can be cross-linked.Vibrin can hot setting, and also normal temperature solidified, rate of drying is fast.Paint film is plentiful abundant, and have good glossiness, exposure property and transparency, hardness of paint film is high, wear-resisting, heat-resisting, cold-resistant, water-fast, the effect of resistant to many pharmaceutical chemicals.Solid content is high, and covering with paint, lacquer, colour wash, etc. a film thickness can reach 200-300 μm.During solidification, solvent evaporates is few, pollutes few.Polyester coating is mainly used in senior floor and covers with paint, lacquer, colour wash, etc. and furniture covering with paint.Construction should be noted can not painting or the bottoming of shellac putty with damaging by worms, otherwise can reduce adhesive power, and construction temperature is not less than 15 DEG C, otherwise solidification difficulty.Aqueous polyester resin insullac is the extension of polyester coating, but still more traditional in the production technique for vibrin insullac, and the quality of production is not high yet.
Summary of the invention
It is high that technical problem to be solved by this invention is to provide a kind of quality, preparation technology's simple aqueous polyester resin insullac synthesis technique.
Technical problem to be solved by this invention realizes by the following technical solutions:
Aqueous polyester resin insullac synthesis technique, is characterized in that: comprise following processing step,
A. a reactor is chosen as reacting appliance.
B. the zinc acetate taking the dimethyl terephthalate (DMT) of 14-15kg, the ethylene glycol of 3-4kg, the diethylene glycol of 6-7kg, the glycerine of 2-3kg and 0.015-0.02kg adds in the reactor in step a.
C. above-mentioned steps b reactor temperature is risen to 150-200 DEG C, after isothermal reaction 2h, again temperature is risen to 200-220 DEG C of constant temperature 2h again.
D., when a point output for methyl alcohol reaches 85%-92% in above-mentioned steps c reaction vessel, temperature in the kettle is down to 140-160 DEG C.
E. by adding the dehydration trimellitic acid of 2-3kg in the still in above-mentioned steps d, after then temperature being risen to 160-180 DEG C, 1h is incubated.
F. will add the pyromellitic acid anhydride of 3-4kg in the still in above-mentioned steps e, continue constant temperature 160-180 DEG C reaction.
G. when the mixture acid number in above-mentioned steps f is 40-50mgKOH/g, immediately internal temperature is down to≤130 DEG C.
H. by again adding the pimelinketone of 5000-5500ml in the still in above-mentioned steps g, then temperature is controlled at 50-70 DEG C.
I. to passing into trolamine in the still in above-mentioned steps h, the pH value of internal mix thing is adjusted to 6-8.
J. again carry out dilution and obtain the slight opalescence aqueous solution to passing into water in still and be aqueous polyester resin insullac.
The invention has the beneficial effects as follows: the present invention is simply easy to prepare, environment friendly and pollution-free, raw material is easy to get, and facility investment is few, quality is pure, convenient operation, and the aqueous polyester resin insullac result of use of preparation is good, safety non-toxic, storage time is long, at the bottom of manufacturing cost, safe and reliable.
Following table is the aqueous alkide resin properties Testing index that the present invention obtains.
| Test item | Technical indicator | Test item | Technical indicator |
| Outward appearance | Light yellow clear viscous fluid | PH value | 6.5-7.0 |
| Water-dilutable | Thin up is transparent | Paint film voltage breakdown | 4-5kv |
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
Aqueous polyester resin insullac synthesis technique, comprises following processing step,
A. a reactor is chosen as reacting appliance.
B. the zinc acetate taking the dimethyl terephthalate (DMT) of 14kg, the ethylene glycol of 3kg, the diethylene glycol of 6kg, the glycerine of 2kg and 0.015kg adds in the reactor in step a.
C. above-mentioned steps b reactor temperature is risen to 150 DEG C, after isothermal reaction 2h, again temperature is risen to 200 DEG C of constant temperature 2h again.
D., when a point output for methyl alcohol reaches 85%-92% in above-mentioned steps c reaction vessel, temperature in the kettle is down to 140 DEG C.
E. by adding the dehydration trimellitic acid of 2kg in the still in above-mentioned steps d, after then temperature being risen to 160 DEG C, 1h is incubated.
F. will add the pyromellitic acid anhydride of 3kg in the still in above-mentioned steps e, continue constant temperature 160 DEG C reaction.
G. when the mixture acid number in above-mentioned steps f is 40mgKOH/g, immediately internal temperature is down to≤130 DEG C.
H. by again adding the pimelinketone of 5000ml in the still in above-mentioned steps g, then temperature is controlled at 50 DEG C.
I. to passing into trolamine in the still in above-mentioned steps h, the pH value of internal mix thing is adjusted to 6-8.
J. again carry out dilution and obtain the slight opalescence aqueous solution to passing into water in still and be aqueous polyester resin insullac.
Embodiment 2
Aqueous polyester resin insullac synthesis technique, comprises following processing step,
A. a reactor is chosen as reacting appliance.
B. the zinc acetate taking the dimethyl terephthalate (DMT) of 14.55kg, the ethylene glycol of 3.96kg, the diethylene glycol of 6.67kg, the glycerine of 2.67kg and 0.018kg adds in the reactor in step a.
C. above-mentioned steps b reactor temperature is risen to 170 DEG C, after isothermal reaction 2h, again temperature is risen to 210 DEG C of constant temperature 2h again.
D., when a point output for methyl alcohol reaches 85%-92% in above-mentioned steps c reaction vessel, temperature in the kettle is down to 150 DEG C.
E. by adding the dehydration trimellitic acid of 2.29kg in the still in above-mentioned steps d, after then temperature being risen to 170 DEG C, 1h is incubated.
F. will add the pyromellitic acid anhydride of 3.51kg in the still in above-mentioned steps e, continue constant temperature 160-180 DEG C reaction.
G. when the mixture acid number in above-mentioned steps f is 45mgKOH/g, immediately internal temperature is down to≤130 DEG C.
H. by again adding the pimelinketone of 5250ml in the still in above-mentioned steps g, then temperature is controlled at 50-70 DEG C.
I. to passing into trolamine in the still in above-mentioned steps h, the pH value of internal mix thing is adjusted to 6-8.
J. again carry out dilution and obtain the slight opalescence aqueous solution to passing into water in still and be aqueous polyester resin insullac.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. aqueous polyester resin insullac synthesis technique, is characterized in that: comprise following processing step,
A. a reactor is chosen as reacting appliance.
B. the zinc acetate taking the dimethyl terephthalate (DMT) of 14-15kg, the ethylene glycol of 3-4kg, the diethylene glycol of 6-7kg, the glycerine of 2-3kg and 0.015-0.02kg adds in the reactor in step a.
C. above-mentioned steps b reactor temperature is risen to 150-200 DEG C, after isothermal reaction 2h, again temperature is risen to 200-220 DEG C of constant temperature 2h again.
D., when a point output for methyl alcohol reaches 85%-92% in above-mentioned steps c reaction vessel, temperature in the kettle is down to 140-160 DEG C.
E. by adding the dehydration trimellitic acid of 2-3kg in the still in above-mentioned steps d, after then temperature being risen to 160-180 DEG C, 1h is incubated.
F. will add the pyromellitic acid anhydride of 3-4kg in the still in above-mentioned steps e, continue constant temperature 160-180 DEG C reaction.
G. when the mixture acid number in above-mentioned steps f is 40-50mgKOH/g, immediately internal temperature is down to≤130 DEG C.
H. by again adding the pimelinketone of 5000-5500ml in the still in above-mentioned steps g, then temperature is controlled at 50-70 DEG C.
I. to passing into trolamine in the still in above-mentioned steps h, the pH value of internal mix thing is adjusted to 6-8.
J. again carry out dilution and obtain the slight opalescence aqueous solution to passing into water in still and be aqueous polyester resin insullac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491800.8A CN104327682A (en) | 2014-09-23 | 2014-09-23 | Waterborne polyester resin insulating varnish synthesis process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410491800.8A CN104327682A (en) | 2014-09-23 | 2014-09-23 | Waterborne polyester resin insulating varnish synthesis process |
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| CN104327682A true CN104327682A (en) | 2015-02-04 |
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| CN201410491800.8A Pending CN104327682A (en) | 2014-09-23 | 2014-09-23 | Waterborne polyester resin insulating varnish synthesis process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802478A (en) * | 2016-03-09 | 2016-07-27 | 佛山市恒学科技服务有限公司 | Polyurethane enamelled wire paint |
| CN105838203A (en) * | 2016-05-11 | 2016-08-10 | 广州市华宇化工有限公司 | Preparing method for high-temperature-resistant heat conducting water-based insulating paint |
| CN106519203A (en) * | 2016-10-13 | 2017-03-22 | 苏州长业材料技术有限公司 | Saturated water soluble copolyester with high solid content and high molecular weight and preparation method thereof |
| CN112126321A (en) * | 2020-10-13 | 2020-12-25 | 安徽兆鑫铝业科技有限公司 | Preparation method of surface coating of plastic-aluminum veneer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087658A (en) * | 1993-10-28 | 1994-06-08 | 哈尔滨绝缘材料厂 | Manufacture the method and the lacquer of water-soluble semi-inorganic silicon steel paint |
| JPH09306267A (en) * | 1996-05-21 | 1997-11-28 | Sumitomo Electric Ind Ltd | Manufacture of self-lubricant insulated wire |
| CN101851460A (en) * | 2010-06-04 | 2010-10-06 | 江苏兰陵高分子材料有限公司 | Polyester powder coating for solar water heater |
-
2014
- 2014-09-23 CN CN201410491800.8A patent/CN104327682A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087658A (en) * | 1993-10-28 | 1994-06-08 | 哈尔滨绝缘材料厂 | Manufacture the method and the lacquer of water-soluble semi-inorganic silicon steel paint |
| JPH09306267A (en) * | 1996-05-21 | 1997-11-28 | Sumitomo Electric Ind Ltd | Manufacture of self-lubricant insulated wire |
| CN101851460A (en) * | 2010-06-04 | 2010-10-06 | 江苏兰陵高分子材料有限公司 | Polyester powder coating for solar water heater |
Non-Patent Citations (1)
| Title |
|---|
| 张洪涛等: "《绿色涂料配方精选》", 31 March 2010, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802478A (en) * | 2016-03-09 | 2016-07-27 | 佛山市恒学科技服务有限公司 | Polyurethane enamelled wire paint |
| CN105838203A (en) * | 2016-05-11 | 2016-08-10 | 广州市华宇化工有限公司 | Preparing method for high-temperature-resistant heat conducting water-based insulating paint |
| CN106519203A (en) * | 2016-10-13 | 2017-03-22 | 苏州长业材料技术有限公司 | Saturated water soluble copolyester with high solid content and high molecular weight and preparation method thereof |
| CN112126321A (en) * | 2020-10-13 | 2020-12-25 | 安徽兆鑫铝业科技有限公司 | Preparation method of surface coating of plastic-aluminum veneer |
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