CN104774488A - Corrosion and wear resistant insulating varnish and preparation method thereof - Google Patents
Corrosion and wear resistant insulating varnish and preparation method thereof Download PDFInfo
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Abstract
The invention discloses corrosion and wear resistant insulating varnish. The insulating varnish mainly comprises the following components: xylene modified phenolic resin, lauric acid modified alkyd resin, phenyltrimethylsilane, butyl acrylate, kaolin, isophorone diisocyanate, dibutyltin dilaurate and tert-butyl methacrylate. The corrosion and wear resistant insulating varnish has the advantages that the corrosion and wear resistant insulating varnish is an H-level insulating material and has good insulating properties; the insulating varnish also has excellent corrosion and wear resistance; the breakdown strength of a film is higher than 100kV/mm and the volume resistivity is 1018ohm.cm; the film is continuously heated for 200 hours in a range of 250+/-2 DEG C; the breakdown strength of the film is about 55kV/mm and the volume resistivity (in heat state) is 1015ohm.cm; the film shows better properties in acid-base resistance experiments (48h) and does not wrinkle, fall off or fade; wear resistance experiments show that the insulating varnish has good wear resistance.
Description
Technical field
The present invention relates to technical field of coatings, be specifically related to a kind of anticorrosive anti-wear insullac and preparation method thereof.
Background technology
Insullac is as a kind of special varnish in paint, based on high molecular polymer, the important insulating material of insulating film or insulation entirety can be solidified under certain condition, primarily of film forming material and subsidiary material composition, film forming material is mainly resin, pitch, dryness wet goods, subsidiary material do not participate in film forming, and Main Function is adjusting viscosity, is dissolved into membrane substance.
Insullac is mainly used in flooding motor, the coil of electrical equipment and other insulation component, for filling its gap and micropore, after the drying, insullac can make immersed thing be solidified into a closely knit entirety, thus improves its disruptive strength, mechanical property, moisture resistance, heat-resisting, heat conduction and antioxidant property; The environment difference of electrical equipment and electrical owing to using, also different to the performance requriements of insullac, on the basis meeting insulativity performance to its erosion resistance, wear-resistantly also put forward higher requirement, but insullac is in the market generally the single paint of performance, erosion resistance, wear-resistant and insulativity performance simultaneously preferably insullac urgently develop.
Summary of the invention
For solving the problem, the object of this invention is to provide a kind of anticorrosive anti-wear insullac and preparation method thereof.
The present invention for achieving the above object, is achieved through the following technical solutions:
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 20 ~ 30 parts, lauric acid modified alkyd resin 30 ~ 40 parts, phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts, Natvosol 5 ~ 8 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts.
For realizing object of the present invention further, can also by the following technical solutions:
Preferred a kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 28 parts, lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, kaolin 4 parts, mica powder 6 parts, Natvosol 6 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts.
The present invention also comprises a kind of preparation method of anticorrosive anti-wear insullac, comprises the following steps:
1. formaldehyde is joined in dimethylbenzene, mixing acid is dripped to it, temperature 30 ~ 40 DEG C when controlling to drip, dropwises backflow 5 ~ 7 hours, leaves standstill, obtain mixed solution, mixed solution is carried out stratification, and upper strata is xylene formaldehyde resin, and lower floor is water, except the water of sub-cloud, obtain xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1 ~ 2:3 ~ 4:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 80 ~ 90 DEG C to keep 1 ~ 2 hour, obtain reaction solution, reaction solution is cooled to 20 ~ 30 DEG C, add after sodium hydroxide regulates pH to 7 ~ 9 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 0.5 ~ 1.5 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1 ~ 2:2 ~ 4:10 ~ 15;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 160 ~ 170 DEG C in a nitrogen environment, keep 1 ~ 3 hour, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4 ~ 0.5:1:0.4 ~ 0.6:0.4 ~ 0.5:8 ~ 15;
4. by step 2. gained dimethylbenzene modified phenolic resins 20 ~ 30 parts, step is gained lauric acid modified alkyd resin 30 ~ 40 parts 3., phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts join in reactor, be warming up to 40 ~ 50 DEG C, start stirrer to stir 1 ~ 2 hour under the speed of 450 ~ 500 revs/min, after be cooled to 20 ~ 30 DEG C, obtain material a,
5. under the rotating speed of 450 ~ 500 revs/min, in step 4. gained material a, add kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts and Natvosol 5 ~ 8 parts, then speed adjustment to 1500 ~ 1600 rev/min are stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 20 ~ 40 microns after discharging, obtain anticorrosive anti-wear insullac.
The preparation method of the preferred a kind of anticorrosive anti-wear insullac of the present invention, comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 35 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 85 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 25 DEG C, add after sodium hydroxide regulates the pH to 8.5 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:3:12;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 165 DEG C in a nitrogen environment, keep 2 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.5:0.5:8;
4. by step 2. gained dimethylbenzene modified phenolic resins 28 parts, step 3. gained lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts join in reactor, be warming up to 45 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 25 DEG C, obtain material a;
5. under the rotating speed of 480 revs/min, in step 4. gained material a, add kaolin 4 parts, mica powder 6 parts and Natvosol 6 parts, then speed adjustment to 1550 rev/min is stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 30 microns after discharging, obtain anticorrosive anti-wear insullac.
The invention has the advantages that:
The insulating property grade of anticorrosive anti-wear insullac of the present invention is high, for H class F insulating material F, have good insulating property, insullac of the present invention also has excellent corrosion-resistant and abrasion resistance properties, the disruptive strength of paint film of the present invention is greater than 100kV/mm, and volume resistivity is 10
18ohmcm, paint film of the present invention is heated continuously 200 hours within the scope of 200 ~ 250 DEG C, and the disruptive strength of paint film is about 55kV/mm, and volume resistivity (hot) is 10
15ohmcm, paint film of the present invention all shows good performance in acid and alkali-resistance experiment (48h), wrinkle resistant, do not come off, do not fade; Wear-resisting experiment shows that wear resistance is good.
Embodiment
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 20 ~ 30 parts, lauric acid modified alkyd resin 30 ~ 40 parts, phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts, Natvosol 5 ~ 8 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts.
For realizing object of the present invention further, can also by the following technical solutions:
Preferred a kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 28 parts, lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, kaolin 4 parts, mica powder 6 parts, Natvosol 6 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts.
The present invention also comprises a kind of preparation method of anticorrosive anti-wear insullac, comprises the following steps:
1. formaldehyde is joined in dimethylbenzene, mixing acid is dripped to it, temperature 30 ~ 40 DEG C when controlling to drip, dropwises backflow 5 ~ 7 hours, leaves standstill, obtain mixed solution, mixed solution is carried out stratification, and upper strata is xylene formaldehyde resin, and lower floor is water, except the water of sub-cloud, obtain xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1 ~ 2:3 ~ 4:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 80 ~ 90 DEG C to keep 1 ~ 2 hour, obtain reaction solution, reaction solution is cooled to 20 ~ 30 DEG C, add after sodium hydroxide regulates pH to 7 ~ 9 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 0.5 ~ 1.5 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1 ~ 2:2 ~ 4:10 ~ 15;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 160 ~ 170 DEG C in a nitrogen environment, keep 1 ~ 3 hour, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4 ~ 0.5:1:0.4 ~ 0.6:0.4 ~ 0.5:8 ~ 15;
4. by step 2. gained dimethylbenzene modified phenolic resins 20 ~ 30 parts, step is gained lauric acid modified alkyd resin 30 ~ 40 parts 3., phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts join in reactor, be warming up to 40 ~ 50 DEG C, start stirrer to stir 1 ~ 2 hour under the speed of 450 ~ 500 revs/min, after be cooled to 20 ~ 30 DEG C, obtain material a,
5. under the rotating speed of 450 ~ 500 revs/min, in step 4. gained material a, add kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts and Natvosol 5 ~ 8 parts, then speed adjustment to 1500 ~ 1600 rev/min are stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 20 ~ 40 microns after discharging, obtain anticorrosive anti-wear insullac.
The preparation method of the preferred a kind of anticorrosive anti-wear insullac of the present invention, comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 35 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 85 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 25 DEG C, add after sodium hydroxide regulates the pH to 8.5 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:3:12;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 165 DEG C in a nitrogen environment, keep 2 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.5:0.5:8;
4. by step 2. gained dimethylbenzene modified phenolic resins 28 parts, step 3. gained lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts join in reactor, be warming up to 45 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 25 DEG C, obtain material a;
5. under the rotating speed of 480 revs/min, in step 4. gained material a, add kaolin 4 parts, mica powder 6 parts and Natvosol 6 parts, then speed adjustment to 1550 rev/min is stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 30 microns after discharging, obtain anticorrosive anti-wear insullac.
The order number of the kaolin in following examples and mica powder is all more than 200 orders.
Embodiment 1
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 20 parts, lauric acid modified alkyd resin 30 parts, phenyl-trimethylsilicane 25 parts, butyl acrylate 5 parts, kaolin 2 parts, mica powder 4 parts, Natvosol 5 parts, isophorone diisocyanate 30 parts, dibutyl tin laurate 1 part, dioctyl terephthalate 4 parts, hydrogenated castor oil 2 parts, AMONYL 380LC 1 part and Tert-butyl Methacrylate 10 parts.
Preparation method comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 30 DEG C when controlling to drip, dropwises backflow 5 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:4:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 80 DEG C to keep 1 hour, obtain reaction solution, reaction solution is cooled to 20 DEG C, add after sodium hydroxide regulates the pH to 7 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 0.5 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:2:8;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 160 DEG C in a nitrogen environment, keep 1 hour, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.4:0.4:6;
4. by step 2. gained dimethylbenzene modified phenolic resins 20 parts, step 3. gained lauric acid modified alkyd resin 30 parts, phenyl-trimethylsilicane 25 parts, butyl acrylate 5 parts, isophorone diisocyanate 30 parts, dibutyl tin laurate 1 part, dioctyl terephthalate 4 parts, hydrogenated castor oil 2 parts, AMONYL 380LC 1 part and Tert-butyl Methacrylate 10 parts join in reactor, be warming up to 40 DEG C, start stirrer to stir 1 hour under the speed of 450 revs/min, after be cooled to 20 DEG C, obtain material a;
5. under the rotating speed of 450 revs/min, in step 4. gained material a, add kaolin 2 parts, mica powder 4 parts and Natvosol 5 parts, then speed adjustment to 1500 rev/min is stirred 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 20 microns after discharging, obtain anticorrosive anti-wear insullac.
Embodiment 2
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 30 parts, lauric acid modified alkyd resin 40 parts, phenyl-trimethylsilicane 40 parts, butyl acrylate 20 parts, kaolin 5 parts, mica powder 10 parts, Natvosol 8 parts, isophorone diisocyanate 40 parts, dibutyl tin laurate 3 parts, dioctyl terephthalate 8 parts, hydrogenated castor oil 5 parts, AMONYL 380LC 3 parts and Tert-butyl Methacrylate 15 parts.
Preparation method comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 40 DEG C when controlling to drip, dropwises backflow 7 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 2:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 90 DEG C to keep 2 hours, obtain reaction solution, reaction solution is cooled to 30 DEG C, add after sodium hydroxide regulates the pH to 9 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 0.5 ~ 1.5 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:4:10;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 170 DEG C in a nitrogen environment, keep 3 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.5:1:0.6:0.5:15;
4. by step 2. gained dimethylbenzene modified phenolic resins 30 parts, step 3. gained lauric acid modified alkyd resin 40 parts, phenyl-trimethylsilicane 40 parts, butyl acrylate 20 parts, isophorone diisocyanate 40 parts, dibutyl tin laurate 3 parts, dioctyl terephthalate 8 parts, hydrogenated castor oil 5 parts, AMONYL 380LC 3 parts and Tert-butyl Methacrylate 15 parts join in reactor, be warming up to 50 DEG C, start stirrer to stir 2 hours under the speed of 500 revs/min, after be cooled to 30 DEG C, obtain material a;
5. under the rotating speed of 500 revs/min, in step 4. gained material a, add kaolin 5 parts, mica powder 10 parts and Natvosol 8 parts, then speed adjustment to 1600 rev/min is stirred 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 40 microns after discharging, obtain anticorrosive anti-wear insullac.
Embodiment 3
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 25 parts, lauric acid modified alkyd resin 35 parts, phenyl-trimethylsilicane 35 parts, butyl acrylate 10 parts, kaolin 3 parts, mica powder 8 parts, Natvosol 7 parts, isophorone diisocyanate 32 parts, dibutyl tin laurate 1.5 parts, dioctyl terephthalate 5 parts, hydrogenated castor oil 3 parts, AMONYL 380LC 1.5 parts and Tert-butyl Methacrylate 12 parts.
Preparation method comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 32 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 2:4:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 82 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 24 DEG C, add after sodium hydroxide regulates the pH to 8 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 2:4:15;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 162 DEG C in a nitrogen environment, keep 2 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.6:0.4:7;
4. by step 2. gained dimethylbenzene modified phenolic resins 25 parts, step 3. gained lauric acid modified alkyd resin 35 parts, phenyl-trimethylsilicane 35 parts, butyl acrylate 10 parts, isophorone diisocyanate 32 parts, dibutyl tin laurate 1.5 parts, dioctyl terephthalate 5 parts, hydrogenated castor oil 3 parts, AMONYL 380LC 1.5 parts and Tert-butyl Methacrylate 12 parts join in reactor, be warming up to 42 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 24 DEG C, obtain material a;
5. under the rotating speed of 450 ~ 500 revs/min, in step 4. gained material a, add kaolin 3 parts, mica powder 8 parts and Natvosol 7 parts, then speed adjustment to 1550 rev/min is stirred 40 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 30 microns after discharging, obtain anticorrosive anti-wear insullac.
Embodiment 4
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 22 parts, lauric acid modified alkyd resin 38 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 16 parts, kaolin 3 parts, mica powder 6 parts, Natvosol 7 parts, isophorone diisocyanate 34 parts, dibutyl tin laurate 2.5 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 1.5 parts and Tert-butyl Methacrylate 14 parts.
Preparation method comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 36 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 82 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 26 DEG C, add after sodium hydroxide regulates the pH to 7.5 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:3:12;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 160 ~ 170 DEG C in a nitrogen environment, keep 1 ~ 3 hour, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.6:0.5:10;
4. by step 2. gained dimethylbenzene modified phenolic resins 22 parts, step 3. gained lauric acid modified alkyd resin 38 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 16 parts, isophorone diisocyanate 34 parts, dibutyl tin laurate 2.5 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 1.5 parts and Tert-butyl Methacrylate 14 parts join in reactor, be warming up to 46 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 26 DEG C, obtain material a;
5. under the rotating speed of 480 revs/min, in step 4. gained material a, add kaolin 3 parts, mica powder 6 parts and Natvosol 7 parts, then speed adjustment to 1500 rev/min is stirred 1 hour, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 40 microns after discharging, obtain anticorrosive anti-wear insullac.
Embodiment 5
A kind of anticorrosive anti-wear insullac, with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 28 parts, lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, kaolin 4 parts, mica powder 6 parts, Natvosol 6 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts.
Preparation method comprises the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 35 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 85 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 25 DEG C, add after sodium hydroxide regulates the pH to 8.5 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:3:12;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 165 DEG C in a nitrogen environment, keep 2 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.5:0.5:8;
4. by step 2. gained dimethylbenzene modified phenolic resins 28 parts, step 3. gained lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts join in reactor, be warming up to 45 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 25 DEG C, obtain material a;
5. under the rotating speed of 480 revs/min, in step 4. gained material a, add kaolin 4 parts, mica powder 6 parts and Natvosol 6 parts, then speed adjustment to 1550 rev/min is stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 30 microns after discharging, obtain anticorrosive anti-wear insullac.
Detect the zs-1091 high-temperature insulation ceramic coating that anticorrosive anti-wear insullac and certain commercially available company of embodiment 1 ~ 5 produce, shown in result table 1, the experiment condition of wherein wear-resisting experiment is film thickness 1mm, the long cotton of 1cm, add 1000g power, stroke 30cm, rub 500 times.
Table 1 detected result
Claims (4)
1. an anticorrosive anti-wear insullac, it is characterized in that: with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 20 ~ 30 parts, lauric acid modified alkyd resin 30 ~ 40 parts, phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts, Natvosol 5 ~ 8 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts.
2. a kind of anticorrosive anti-wear insullac according to claim 1, it is characterized in that: with parts by weight, consist of the following composition: dimethylbenzene modified phenolic resins 28 parts, lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, kaolin 4 parts, mica powder 6 parts, Natvosol 6 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts.
3. a preparation method for anticorrosive anti-wear insullac as claimed in claim 1, is characterized in that: comprise the following steps:
1. formaldehyde is joined in dimethylbenzene, mixing acid is dripped to it, temperature 30 ~ 40 DEG C when controlling to drip, dropwises backflow 5 ~ 7 hours, leaves standstill, obtain mixed solution, mixed solution is carried out stratification, and upper strata is xylene formaldehyde resin, and lower floor is water, except the water of sub-cloud, obtain xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1 ~ 2:3 ~ 4:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 80 ~ 90 DEG C to keep 1 ~ 2 hour, obtain reaction solution, reaction solution is cooled to 20 ~ 30 DEG C, add after sodium hydroxide regulates pH to 7 ~ 9 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 0.5 ~ 1.5 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1 ~ 2:2 ~ 4:10 ~ 15;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 160 ~ 170 DEG C in a nitrogen environment, keep 1 ~ 3 hour, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4 ~ 0.5:1:0.4 ~ 0.6:0.4 ~ 0.5:8 ~ 15;
4. by step 2. gained dimethylbenzene modified phenolic resins 20 ~ 30 parts, step is gained lauric acid modified alkyd resin 30 ~ 40 parts 3., phenyl-trimethylsilicane 25 ~ 40 parts, butyl acrylate 5 ~ 20 parts, isophorone diisocyanate 30 ~ 40 parts, dibutyl tin laurate 1 ~ 3 part, dioctyl terephthalate 4 ~ 8 parts, hydrogenated castor oil 2 ~ 5 parts, AMONYL 380LC 1 ~ 3 part and Tert-butyl Methacrylate 10 ~ 15 parts join in reactor, be warming up to 40 ~ 50 DEG C, start stirrer to stir 1 ~ 2 hour under the speed of 450 ~ 500 revs/min, after be cooled to 20 ~ 30 DEG C, obtain material a,
5. under the rotating speed of 450 ~ 500 revs/min, in step 4. gained material a, add kaolin 2 ~ 5 parts, mica powder 4 ~ 10 parts and Natvosol 5 ~ 8 parts, then speed adjustment to 1500 ~ 1600 rev/min are stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 20 ~ 40 microns after discharging, obtain anticorrosive anti-wear insullac.
4. the preparation method of anticorrosive anti-wear insullac according to claim 3, is characterized in that: comprise the following steps:
1. join in dimethylbenzene by formaldehyde, drip mixing acid to it, temperature 35 DEG C when controlling to drip, dropwises backflow 6 hours, leave standstill, obtain mixed solution, mixed solution is carried out stratification, upper strata is xylene formaldehyde resin, lower floor is water, except the water of sub-cloud, obtains xylene formaldehyde resin; The mass ratio of described formaldehyde, dimethylbenzene and mixing acid is 1:3:1; Described mixing acid is according to mol ratio 1:1 mixing gained by sulfuric acid and acetic acid;
2. in step 1. gained xylene formaldehyde resin, phenol is added, temperature is risen to 85 DEG C to keep 1.5 hours, obtain reaction solution, reaction solution is cooled to 25 DEG C, add after sodium hydroxide regulates the pH to 8.5 of reaction solution and add formaldehyde in reaction solution, be warming up to reflux temperature, keep 1 hour, decompression removing moisture, obtains dimethylbenzene modified phenolic resins; The mass ratio of described xylene formaldehyde resin, phenol and formaldehyde is 1:3:12;
3. lauric acid, Tetra hydro Phthalic anhydride, glycerine and TriMethylolPropane(TMP) are dissolved in dimethylbenzene, are warming up to 165 DEG C in a nitrogen environment, keep 2 hours, obtain lauric acid modified alkyd resin; The mass ratio of described lauric acid, Tetra hydro Phthalic anhydride, glycerine, TriMethylolPropane(TMP) and dimethylbenzene is 0.4:1:0.5:0.5:8;
4. by step 2. gained dimethylbenzene modified phenolic resins 28 parts, step 3. gained lauric acid modified alkyd resin 34 parts, phenyl-trimethylsilicane 30 parts, butyl acrylate 15 parts, isophorone diisocyanate 35 parts, dibutyl tin laurate 2 parts, dioctyl terephthalate 6 parts, hydrogenated castor oil 4 parts, AMONYL 380LC 2 parts and Tert-butyl Methacrylate 14 parts join in reactor, be warming up to 45 DEG C, start stirrer to stir 1.5 hours under the speed of 480 revs/min, after be cooled to 25 DEG C, obtain material a;
5. under the rotating speed of 480 revs/min, in step 4. gained material a, add kaolin 4 parts, mica powder 6 parts and Natvosol 6 parts, then speed adjustment to 1550 rev/min is stirred at least 30 minutes, obtain material b;
6. by step 5. gained material b add in skin grinder be ground to fineness be 30 microns after discharging, obtain anticorrosive anti-wear insullac.
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