CN107325600A - Composite filled antifouling antibacterial insulated paint of a kind of chitosan sericite and preparation method thereof - Google Patents
Composite filled antifouling antibacterial insulated paint of a kind of chitosan sericite and preparation method thereof Download PDFInfo
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- CN107325600A CN107325600A CN201710513749.XA CN201710513749A CN107325600A CN 107325600 A CN107325600 A CN 107325600A CN 201710513749 A CN201710513749 A CN 201710513749A CN 107325600 A CN107325600 A CN 107325600A
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- chitosan
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- sericite
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Classifications
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
Abstract
The invention discloses a kind of composite filled antifouling antibacterial insulated paint of chitosan sericite, it is characterised in that adds distilled water into KH550, and oxalic acid is added dropwise and adjusts pH, coupling agent aqueous solution is obtained；To Nano-meter SiO_22In plus ethanol, coupling agent aqueous solution, ultrasonic disperse, back flow reaction, obtain surface modification Nano-meter SiO_22Alcohol suspension；By montmorillonite high-temperature calcination, plus deionized water, tetraethyl orthosilicate, ethanol, heating stirring, heterozygote is dried, ground, sieving and to obtain in filtering, washing；Add distilled water into chitosan, acetic acid, magnetic agitation formation chitosan solution is added dropwise in stirring and dissolving；Sericite high-temperature calcination is handled, is added in chitosan solution, composite solution is stirred to obtain；Unsaturated polyester (UP) Shu Zhi ﹑ epoxy resin F51 is mixed, styrene, para hydroxybenzene Huang Suan ﹑ divinylbenzenes is added, is sufficiently stirred for, then is well mixed with above resulting material and cuprous oxide, gained resin adhesive liquid is poured into mould, solidifies to obtain insulated paint.
Description
Technical field
The present invention relates to insulated paint field, and in particular to a kind of composite filled antifouling antibacterial insulation of chitosan-sericite
The preparation method of paint.
Background technology
With voltage class of electric power system more and more higher, the insulation characterisitic always study hotspot of dielectric how is improved
One of.Transformer insulated paint assume responsibility for the dual role for radiating and insulating as dielectric important in power transformer, because
This, the heat dispersion and insulating properties for how improving transformer insulated paint receive more concerns.Based on this, method of modifying is utilized
Transformer insulated paint is modified.
The content of the invention
The present invention solves the technical problem of provide a kind of chitosan-sericite composite filled antifouling antibacterial insulation
The preparation method of paint, the insulated paint prepared according to the technique has good insulating properties and antifouling bacteriostasis property.
The technical problems to be solved by the invention are realized using following technical scheme：
The preparation method of the composite filled antifouling antibacterial insulated paint of a kind of chitosan-sericite, it is characterised in that according to the following steps
Carry out：
A. Nano-meter SiO_22Surface be modified：
Into 0.5-1 parts by weight Silane coupling agent KH550s 1:10-15 adds distilled water, stirs, and oxalic acid solution is added dropwise and adjusts pH
For 3-4, coupling agent aqueous solution is obtained；To 4-6 parts by weight Nano-meter SiO_2s2In 1:5-10 adds ethanol, stirs, and adds coupling agent
The aqueous solution, the ultrasonic disperse 40-50min at 25-35 DEG C, back flow reaction 4-5h, is cooled to room temperature at 60-70 DEG C, obtains surface
Modified Nano-meter SiO_22Alcohol suspension；
B. the coating modification of montmorillonite：
The montmorillonite of 2-3 parts by weight is handled into 6-8h, 1 at 750-850 DEG C:10-20 adds distilled water, magnetic agitation 30-
40min, adds 1-2 parts by weight tetraethyl orthosilicate and 1-2 parts by weight of ethanol, plus hydrochloric acid adjusts pH to be 2-3, in 40-50 DEG C of water-bath
Heating stirring 2-3h, filtering, washing 3-5 times, the forced air drying 1-2h in 60-70 DEG C of baking oven grinds, crosses 100-200 mesh
Sieve, obtains silica-montmorillonite heterozygote；
C. into 2-4 parts by weight chitosans 1:40-50 adds distilled water, and 2-3 parts by weight acetic acid is added dropwise in stirring and dissolving, and magnetic force is stirred
Mix 1-2h formation chitosan solutions；1-2 parts by weight sericite is handled into 8-10h at 700-800 DEG C, chitosan solution is added to
In, stirring 1-2h obtains chitosan/sericite solution；
D. the preparation of heat resistant varnish：
40-50 parts by weight unsaturated polyester (UP) Shu Zhi ﹑ 20-25 parts by weight epoxy resin F51 is mixed, 12-15 parts by weight benzene is added
Ethene, 5-10 parts by weight para hydroxybenzene Huang Suan ﹑ 2-4 parts by weight divinylbenzenes, are sufficiently stirred for, then with resulting material in a, b, c
And 1-2 parts by weight cuprous oxide is well mixed, and gained resin adhesive liquid is poured into mould, solidifies 4-8h at 150-180 DEG C, obtain anti-
Dirty antibacterial insulated paint.
Wherein, oxalic acid solution concentration described in step a is 4-6%, and the rotating speed of ultrasonic disperse is 1500-2000r/min.Step
Concentration of hydrochloric acid is 2-3% described in rapid b.Unsaturated polyester resin described in step d is Bisphenol a unsaturated polyester resin.
The present invention reaction mechanism and have the beneficial effect that：
Modification is carried out to nano silicon with Silane coupling agent KH550, KH550 has been grafted in the way of covalent bond and received
The surface of rice silica, the good dispersion of modified nano silicon, available for being modified insulated paint；Using physical blending
Method obtains chitosan-sericite composite solution, the regular dispersiveness of sericite in the base is improved, with good electricity
Insulating properties.
Montmorillonite is the layered silicate material with excellent mechanical property, insulating properties and resistance to elevated temperatures, is used
Sol-gal process, tetraethyl orthosilicate hydrolyzes in acid condition, be condensed into silica during between phyllosilicate
Interaction, realizes silicon dioxide modified montmorillonite, silica dioxide granule coats and has been partially stripped montmorillonite layer, increases
Its compatibility between matrix.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment
The preparation method of the composite filled antifouling antibacterial insulated paint of a kind of chitosan-sericite, it is characterised in that by following
Step is carried out：
A. Nano-meter SiO_22Surface be modified：
Into 0.5kg Silane coupling agent KH550s 1:15 add distilled water, stir, and oxalic acid solution is added dropwise and adjusts pH to be 3-4, obtains
Coupling agent aqueous solution；To 4kg Nano-meter SiO_2s2In 1:10 add ethanol, stir, and coupling agent aqueous solution are added, at 25-35 DEG C
Lower ultrasonic disperse 45min, back flow reaction 4.5h, is cooled to room temperature at 60-70 DEG C, obtains the Nano-meter SiO_2 of surface modification2Ethanol hangs
Supernatant liquid；
B. the coating modification of montmorillonite：
3kg montmorillonites are handled into 8h, 1 at 750-850 DEG C:15 add distilled water, and magnetic agitation 35min adds the positive silicic acid of 1kg
Ethyl ester and 2kg ethanol, plus hydrochloric acid adjust pH to be 2-3, the heating stirring 2h in 40-50 DEG C of water-bath, filtering, washing 4 times, in 60-70
Forced air drying 2h in DEG C baking oven, grinds, crosses 200 mesh sieves, obtain silica-montmorillonite heterozygote；
C. into 4kg chitosans 1:40 add distilled water, and 3kg acetic acid, magnetic agitation 1h formation chitosans is added dropwise in stirring and dissolving
Solution；2kg sericites are handled into 8h at 700-800 DEG C, are added in chitosan solution, it is molten that stirring 1h obtains chitosan/sericite
Liquid；
D. the preparation of heat resistant varnish：
50kg unsaturated polyester (UP) Shu Zhi ﹑ 25kg epoxy resin F51 is mixed, 15kg styrene, 10kg para hydroxybenzene Huang Suan ﹑ is added
2kg divinylbenzenes, are sufficiently stirred for, then are well mixed with resulting material in a, b, c and 1kg cuprous oxide, by gained resin glue
Liquid is poured into mould, is solidified 6h at 160-180 DEG C, is obtained antifouling antibacterial insulated paint.
Wherein, oxalic acid solution concentration described in step a is 4%, and the rotating speed of ultrasonic disperse is 1600r/min.Institute in step b
It is 2% to state concentration of hydrochloric acid.Unsaturated polyester resin described in step d is Bisphenol a unsaturated polyester resin.
Claims (5)
1. a kind of composite filled antifouling antibacterial insulated paint of chitosan-sericite, it is characterised in that：
Add distilled water into KH550, oxalic acid is added dropwise and adjusts pH, coupling agent aqueous solution is obtained；To Nano-meter SiO_22In plus ethanol, coupling agent water
Solution, ultrasonic disperse, back flow reaction obtains the Nano-meter SiO_2 of surface modification2Alcohol suspension；By montmorillonite high-temperature calcination, plus go from
Sub- water, tetraethyl orthosilicate, ethanol, heating stirring, heterozygote is dried, ground, sieving and to obtain in filtering, washing；Into chitosan
Plus distilled water, stirring and dissolving, acetic acid, magnetic agitation formation chitosan solution is added dropwise；Sericite high-temperature calcination is handled, shell is added to
In glycan solution, composite solution is stirred to obtain；Unsaturated polyester (UP) Shu Zhi ﹑ epoxy resin F51 is mixed, styrene is added, to hydroxyl
Ben Huang Suan ﹑ divinylbenzenes, are sufficiently stirred for, then are well mixed with above resulting material and cuprous oxide, by gained resin adhesive liquid
Pour into mould, solidify to obtain insulated paint.
2. a kind of preparation method of the composite filled antifouling antibacterial insulated paint of chitosan-sericite, it is characterised in that：
A. Nano-meter SiO_22Surface be modified：
Into 0.5-1 parts by weight Silane coupling agent KH550s 1:10-15 adds distilled water, stirs, and oxalic acid solution is added dropwise and adjusts pH
For 3-4, coupling agent aqueous solution is obtained；To 4-6 parts by weight Nano-meter SiO_2s2In 1:5-10 adds ethanol, stirs, and adds coupling agent
The aqueous solution, the ultrasonic disperse 40-50min at 25-35 DEG C, back flow reaction 4-5h, is cooled to room temperature at 60-70 DEG C, obtains surface
Modified Nano-meter SiO_22Alcohol suspension；
B. the coating modification of montmorillonite：
The montmorillonite of 2-3 parts by weight is handled into 6-8h, 1 at 750-850 DEG C:10-20 adds distilled water, magnetic agitation 30-
40min, adds 1-2 parts by weight tetraethyl orthosilicate and 1-2 parts by weight of ethanol, plus hydrochloric acid adjusts pH to be 2-3, in 40-50 DEG C of water-bath
Heating stirring 2-3h, filtering, washing 3-5 times, the forced air drying 1-2h in 60-70 DEG C of baking oven grinds, crosses 100-200 mesh
Sieve, obtains silica-montmorillonite heterozygote；
C. into 2-4 parts by weight chitosans 1:40-50 adds distilled water, and 2-3 parts by weight acetic acid is added dropwise in stirring and dissolving, and magnetic force is stirred
Mix 1-2h formation chitosan solutions；1-2 parts by weight sericite is handled into 8-10h at 700-800 DEG C, chitosan solution is added to
In, stirring 1-2h obtains chitosan/sericite solution；
D. the preparation of heat resistant varnish：
40-50 parts by weight unsaturated polyester (UP) Shu Zhi ﹑ 20-25 parts by weight epoxy resin F51 is mixed, 12-15 parts by weight benzene is added
Ethene, 5-10 parts by weight para hydroxybenzene Huang Suan ﹑ 2-4 parts by weight divinylbenzenes, are sufficiently stirred for, then with resulting material in a, b, c
And 1-2 parts by weight cuprous oxide is well mixed, and gained resin adhesive liquid is poured into mould, solidifies 4-8h at 150-180 DEG C, obtain anti-
Dirty antibacterial insulated paint.
3. a kind of preparation method of the composite filled antifouling antibacterial insulated paint of chitosan-sericite according to claim 2,
Characterized in that, oxalic acid solution concentration described in step a is 4-6%, the rotating speed of ultrasonic disperse is 1500-2000r/min.
4. a kind of preparation method of the composite filled antifouling antibacterial insulated paint of chitosan-sericite according to claim 2,
Characterized in that, concentration of hydrochloric acid described in step b is 2-3%.
5. a kind of preparation method of the composite filled antifouling antibacterial insulated paint of chitosan-sericite according to claim 2,
Characterized in that, unsaturated polyester resin described in step d is Bisphenol a unsaturated polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513749.XA CN107325600A (en) | 2017-06-29 | 2017-06-29 | Composite filled antifouling antibacterial insulated paint of a kind of chitosan sericite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513749.XA CN107325600A (en) | 2017-06-29 | 2017-06-29 | Composite filled antifouling antibacterial insulated paint of a kind of chitosan sericite and preparation method thereof |
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| CN107325600A true CN107325600A (en) | 2017-11-07 |
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| CN201710513749.XA Pending CN107325600A (en) | 2017-06-29 | 2017-06-29 | Composite filled antifouling antibacterial insulated paint of a kind of chitosan sericite and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385033A (en) * | 2018-10-08 | 2019-02-26 | 东莞市创之源新材料科技有限公司 | A kind of high compatible PET toughener and preparation method thereof |
| CN112600137A (en) * | 2020-11-24 | 2021-04-02 | 国网浙江省电力有限公司龙游县供电公司 | Telescopic insulating trapping mechanism |
| CN112898694A (en) * | 2021-01-20 | 2021-06-04 | 江苏中信国安新材料有限公司 | Polystyrene heat-insulating material and preparation method and application thereof |
| CN115895086A (en) * | 2022-12-01 | 2023-04-04 | 上海孚加新材料科技有限公司 | X-ray developing transparent catheter and preparation method thereof |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112898694A (en) * | 2021-01-20 | 2021-06-04 | 江苏中信国安新材料有限公司 | Polystyrene heat-insulating material and preparation method and application thereof |
| CN115895086A (en) * | 2022-12-01 | 2023-04-04 | 上海孚加新材料科技有限公司 | X-ray developing transparent catheter and preparation method thereof |
| CN115895086B (en) * | 2022-12-01 | 2024-02-20 | 上海孚加新材料科技有限公司 | X-ray developing transparent catheter and preparation method thereof |
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