CN105670469A - Cardanol modified waterborne insulating varnish and preparation method thereof - Google Patents
Cardanol modified waterborne insulating varnish and preparation method thereof Download PDFInfo
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- CN105670469A CN105670469A CN201610074500.9A CN201610074500A CN105670469A CN 105670469 A CN105670469 A CN 105670469A CN 201610074500 A CN201610074500 A CN 201610074500A CN 105670469 A CN105670469 A CN 105670469A
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- cardanol
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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
- C08G63/676—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses cardanol modified waterborne insulating varnish and a preparation method thereof. The cardanol modified waterborne insulating varnish is prepared from raw materials in parts by weight as follows: 14-20 parts of cardanol, 17-21 parts of isophthalic acid, 9-15 parts of trimethylolpropane, 12-18 parts of neopentyl glycol, 7-9 parts of pyromellitic dianhydride, 7-9 parts of maleic anhydride, 12-16 parts of methylated amino resin, 7-10 parts of dimethylethanolamine, 16-17 parts of 2-butoxyethanol and 0.1-1 part of a water-based dispersing agent. Use of toluene, dimethylbenzene, styrene and solvent oil which are taken as a solvent is avoided, the production cost is reduced, environmental pollution is reduced, health of workers is guaranteed, and the raw materials such as cardanol and the like are widely sourced, and the waterborne insulating varnish has the advantages of low cost and simple production technology; meanwhile, water is taken as the solvent, production is low-carbon, and the waterborne insulating varnish has the advantages that the varnish is energy-saving, environmentally friendly and safe to transport, has low risk and has no harm to a human body.
Description
Technical field
The invention belongs to insullac technical field, relate to a kind of modified by cardanol water-based insulating paint and preparation method thereof.
Background technology
Insullac is generally used for impregnation process motor, electric apparatus coil, fill the gap in insulation system and micropore, and form continuous paint film on impregnated thing surface, and make coil be bonded to a solid entirety, it is effectively improved the globality of insulation system, heat conductivity, the performance of moisture resistivity, dielectric strength and mechanical strength; But existing insullac is all manufacture using toluene, dimethylbenzene, styrene, solvent naphtha as solvent, so the insullac made is relatively costly, during use, abnormal smells from the patient is relatively big, and the health of operator is had certain infringement, and the pollution of environment is comparatively serious; And this insullac belongs to dangerous materials, the requirement of transport and use environment is all comparatively strict.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide modified by cardanol water-based insulating paint that a kind of production cost is low, environmental pollution is little, safety is high and preparation method thereof.
The modified by cardanol water-based insulating paint of the present invention, is made up of the raw material of following weight portion: Cardanol 14-20, M-phthalic acid 17-21, trimethylolpropane 9-15, neopentyl glycol 12-18, pyromellitic dianhydride 7-9, maleic anhydride 7-9, methyl-etherified amino resins 12-16, dimethylethanolamine 7-10, butyl glycol ether 16-17, aqueous dispersion 0.1-1.
The model of described aqueous dispersion is BYK021.
The preparation method of the present invention, comprises the following steps:
(1) Cardanol, trimethylolpropane, M-phthalic acid, neopentyl glycol being put into together in reactor, reactor starts stirring after being heated to 120 DEG C;
(2) reactor is warming up to 160-210 DEG C again, and insulation arrives mixture acid number less than 35;
(3) putting in reactor by pyromellitic dianhydride, maleic anhydride again, reactor is incubated 1 hour at 170-180 DEG C;
(4) mixture in reactor is put in dilution still, after mixture is cooled to 100 DEG C, in dilution still, put into butyl glycol ether, after mixture continues to be cooled to 50 DEG C, dilution still adds dimethylethanolamine be neutralized, dilution still starts stirring, after stirring 30 minutes, then adds methyl-etherified amino resins, aqueous dispersion in dilution still, after still to be diluted stirs, add water to, in dilution still, make solids content between 30-45%, finally filter and package.
The method have the benefit that present invention, avoiding toluene, dimethylbenzene, styrene, solvent naphtha are used as solvent and use, reduce production cost, decrease the pollution to environment, ensure that the health of workman, and the raw material sources such as Cardanol that adopt are extensive, there is price low, the simple advantage of production technology; Meanwhile, the present invention uses water as solvent, belongs to low-carbon (LC) and produces, and has energy-conserving and environment-protective, dangerous little, transportation safety, advantage to human body fanout free region.
Detailed description of the invention
Embodiment 1:
A kind of modified by cardanol water-based insulating paint, is made up of the raw material of following weight portion: Cardanol 14, M-phthalic acid 17, trimethylolpropane 9, neopentyl glycol 12, pyromellitic dianhydride 7, maleic anhydride 7, methyl-etherified amino resins 12, dimethylethanolamine 7, butyl glycol ether 16, aqueous dispersion 0.1.
The model of described aqueous dispersion is BYK021.
Preparation method comprises the following steps:
(1) Cardanol, trimethylolpropane, M-phthalic acid, neopentyl glycol being put into together in reactor, reactor starts stirring after being heated to 120 DEG C;
(2) reactor is warming up to 160-210 DEG C again, and insulation arrives mixture acid number less than 35;
(3) putting in reactor by pyromellitic dianhydride, maleic anhydride again, reactor is incubated 1 hour at 170-180 DEG C;
(4) mixture in reactor is put in dilution still, after mixture is cooled to 100 DEG C, in dilution still, put into butyl glycol ether, after mixture continues to be cooled to 50 DEG C, dilution still adds dimethylethanolamine be neutralized, dilution still starts stirring, after stirring 30 minutes, then adds methyl-etherified amino resins, aqueous dispersion in dilution still, after still to be diluted stirs, add water to, in dilution still, make solids content between 30-45%, finally filter and package.
Embodiment 2:
A kind of modified by cardanol water-based insulating paint, is made up of the raw material of following weight portion: Cardanol 16, M-phthalic acid 18, trimethylolpropane 12, neopentyl glycol 15, pyromellitic dianhydride 8, maleic anhydride 8, methyl-etherified amino resins 14, dimethylethanolamine 9, butyl glycol ether 17, aqueous dispersion 0.5.
The model of described aqueous dispersion is BYK021.
Preparation method comprises the following steps:
(1) Cardanol, trimethylolpropane, M-phthalic acid, neopentyl glycol being put into together in reactor, reactor starts stirring after being heated to 120 DEG C;
(2) reactor is warming up to 160-210 DEG C again, and insulation arrives mixture acid number less than 35;
(3) putting in reactor by pyromellitic dianhydride, maleic anhydride again, reactor is incubated 1 hour at 170-180 DEG C;
(4) mixture in reactor is put in dilution still, after mixture is cooled to 100 DEG C, in dilution still, put into butyl glycol ether, after mixture continues to be cooled to 50 DEG C, dilution still adds dimethylethanolamine be neutralized, dilution still starts stirring, after stirring 30 minutes, then adds methyl-etherified amino resins, aqueous dispersion in dilution still, after still to be diluted stirs, add water to, in dilution still, make solids content between 30-45%, finally filter and package.
Embodiment 3:
A kind of modified by cardanol water-based insulating paint, is made up of the raw material of following weight portion: Cardanol 20, M-phthalic acid 21, trimethylolpropane 5, neopentyl glycol 18, pyromellitic dianhydride 9, maleic anhydride 9, methyl-etherified amino resins 16, dimethylethanolamine 10, butyl glycol ether 17, aqueous dispersion 1.
The model of described aqueous dispersion is BYK021.
Preparation method comprises the following steps:
(1) Cardanol, trimethylolpropane, M-phthalic acid, neopentyl glycol being put into together in reactor, reactor starts stirring after being heated to 120 DEG C;
(2) reactor is warming up to 160-210 DEG C again, and insulation arrives mixture acid number less than 35;
(3) putting in reactor by pyromellitic dianhydride, maleic anhydride again, reactor is incubated 1 hour at 170-180 DEG C;
(4) mixture in reactor is put in dilution still, after mixture is cooled to 100 DEG C, in dilution still, put into butyl glycol ether, after mixture continues to be cooled to 50 DEG C, dilution still adds dimethylethanolamine be neutralized, dilution still starts stirring, after stirring 30 minutes, then adds methyl-etherified amino resins, aqueous dispersion in dilution still, after still to be diluted stirs, add water to, in dilution still, make solids content between 30-45%, finally filter and package.
What deserves to be explained is: the acid in the present invention can also use methyl tetrahydro phthalic anhydride, phthalic anhydride, trimellitic anhydride equivalent to replace; Alcohols material can also use propylene glycol, methyl propanediol, trimethylolethane, ethylene glycol equivalent to replace.
Embodiment described above is only that the preferred embodiment of the present invention is described, and not the spirit and scope of the present invention is defined. Under the premise without departing from design concept of the present invention; various modification that technical scheme is made by this area ordinary person and improvement; protection scope of the present invention all should be dropped into, the technology contents that the present invention is claimed, all record in detail in the claims.
Claims (3)
1. a modified by cardanol water-based insulating paint, it is characterised in that be made up of the raw material of following weight portion: Cardanol 14-20, M-phthalic acid 17-21, trimethylolpropane 9-15, neopentyl glycol 12-18, pyromellitic dianhydride 7-9, maleic anhydride 7-9, methyl-etherified amino resins 12-16, dimethylethanolamine 7-10, butyl glycol ether 16-17, aqueous dispersion 0.1-1.
2. modified by cardanol water-based insulating paint according to claim 1, it is characterised in that: the model of described aqueous dispersion is BYK021.
3. the preparation method of modified by cardanol water-based insulating paint according to claim 1, it is characterised in that comprise the following steps:
(1) Cardanol, trimethylolpropane, M-phthalic acid, neopentyl glycol being put into together in reactor, reactor starts stirring after being heated to 120 DEG C;
(2) reactor is warming up to 160-210 DEG C again, and insulation arrives mixture acid number less than 35;
(3) putting in reactor by pyromellitic dianhydride, maleic anhydride again, reactor is incubated 1 hour at 170-180 DEG C;
(4) mixture in reactor is put in dilution still, after mixture is cooled to 100 DEG C, in dilution still, put into butyl glycol ether, after mixture continues to be cooled to 50 DEG C, dilution still adds dimethylethanolamine be neutralized, dilution still starts stirring, after stirring 30 minutes, then adds methyl-etherified amino resins, aqueous dispersion in dilution still, after still to be diluted stirs, add water to, in dilution still, make solids content between 30-45%, finally filter and package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074500.9A CN105670469B (en) | 2016-02-02 | 2016-02-02 | Modified by cardanol water-based insulating paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074500.9A CN105670469B (en) | 2016-02-02 | 2016-02-02 | Modified by cardanol water-based insulating paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105670469A true CN105670469A (en) | 2016-06-15 |
| CN105670469B CN105670469B (en) | 2017-12-26 |
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| CN201610074500.9A Active CN105670469B (en) | 2016-02-02 | 2016-02-02 | Modified by cardanol water-based insulating paint and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833256A (en) * | 2017-01-11 | 2017-06-13 | 合肥英索莱特新材料科技有限公司 | Modified by cardanol water-based insulating paint |
| CN107057516A (en) * | 2017-01-11 | 2017-08-18 | 合肥英索莱特新材料科技有限公司 | Flame retardant type modified by cardanol water-based insulating paint |
| CN114524927A (en) * | 2022-03-08 | 2022-05-24 | 上海回天新材料有限公司 | Preparation method of cardanol bio-based polyol and application of cardanol bio-based polyol in flexible packaging adhesive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245132A (en) * | 2008-02-29 | 2008-08-20 | 浙江天女集团制漆有限公司 | Functional resin for paint and manufacture method thereof |
| CN101270256A (en) * | 2007-03-23 | 2008-09-24 | 上海宝庆通用电工有限公司 | Water-soluble insulating varnish and preparation method thereof |
| CN103755935A (en) * | 2013-12-19 | 2014-04-30 | 上海美东生物材料有限公司 | Cardanol-based alkyd resin preparation method |
-
2016
- 2016-02-02 CN CN201610074500.9A patent/CN105670469B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270256A (en) * | 2007-03-23 | 2008-09-24 | 上海宝庆通用电工有限公司 | Water-soluble insulating varnish and preparation method thereof |
| CN101245132A (en) * | 2008-02-29 | 2008-08-20 | 浙江天女集团制漆有限公司 | Functional resin for paint and manufacture method thereof |
| CN103755935A (en) * | 2013-12-19 | 2014-04-30 | 上海美东生物材料有限公司 | Cardanol-based alkyd resin preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833256A (en) * | 2017-01-11 | 2017-06-13 | 合肥英索莱特新材料科技有限公司 | Modified by cardanol water-based insulating paint |
| CN107057516A (en) * | 2017-01-11 | 2017-08-18 | 合肥英索莱特新材料科技有限公司 | Flame retardant type modified by cardanol water-based insulating paint |
| CN114524927A (en) * | 2022-03-08 | 2022-05-24 | 上海回天新材料有限公司 | Preparation method of cardanol bio-based polyol and application of cardanol bio-based polyol in flexible packaging adhesive |
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| Publication number | Publication date |
|---|---|
| CN105670469B (en) | 2017-12-26 |
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Address after: 314000, Zhejiang, Xiuzhou District, Jiaxing Province Wang Zhen, Shanghai Hangzhou high speed north exit of the east side (Japan letter plastic industry Co., Ltd. East Side) Patentee after: Jiaxing Jiasheng insulating material Co., Ltd Address before: 314000, Zhejiang, Xiuzhou District, Jiaxing Province Wang Zhen, Shanghai Hangzhou high speed north exit of the east side (Japan letter plastic industry Co., Ltd. East Side) Patentee before: Jiaxing Jiasheng Insulating Material Co.,Ltd. |