CN105860787A - Impregnating varnish for insulating treatment on motor winding - Google Patents

Impregnating varnish for insulating treatment on motor winding Download PDF

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Publication number
CN105860787A
CN105860787A CN201610289949.7A CN201610289949A CN105860787A CN 105860787 A CN105860787 A CN 105860787A CN 201610289949 A CN201610289949 A CN 201610289949A CN 105860787 A CN105860787 A CN 105860787A
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CN
China
Prior art keywords
parts
powder
add
motor winding
impregnating varnish
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Pending
Application number
CN201610289949.7A
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Chinese (zh)
Inventor
王和山
王和东
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Anhui Kailin New Material Co Ltd
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Anhui Kailin New Material Co Ltd
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Priority to CN201610289949.7A priority Critical patent/CN105860787A/en
Publication of CN105860787A publication Critical patent/CN105860787A/en
Pending legal-status Critical Current

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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
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • 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
    • C09D5/08—Anti-corrosive paints
    • 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
    • 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
    • C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662—Synthetic film-forming substance
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Abstract

The invention discloses an impregnating varnish for insulating treatment on a motor winding and relates to the technical field of insulating varnishes. The impregnating varnish is prepared from, by weight, 20-25 parts of alkyd resin, 10-15 parts of terpene resin, 10-15 parts of epoxy coal pitch, 10-15 parts of paraffin oil, 6-10 parts of volcanic ash, 5-8 parts of fine ceramic powder, 5-8 parts of sodium bentonite, 5-8 parts of butadiene rubber, 4-6 parts of sodium dodecyl benzene sulfonate, 4-6 parts of flexibilizer, 3-5 parts of asbestos powder, 3-5 parts of silicone emulsion, 2-3 parts of nano titanium dioxide, 2-3 parts of glycerol monolaurate and 1-2 parts of glass fiber powder. The varnish is high in curing speed, high in environment friendliness and good in storage stability; a paint film has excellent insulating performance, damp-proof performance, corrosion resistance, oil dirt resistance and aging resistance, the service life of the motor winding is effectively prolonged, and safe and normal work of a motor is guaranteed.

Description

A kind of motor winding insulation process impregnating varnish
Technical field:
The present invention relates to insullac technical field, be specifically related to a kind of motor winding insulation process impregnating varnish.
Background technology:
In electric machine structure, winding is the parts of most fragile, therefore to improve the moisture resistance anti-corrosive properties of winding as far as possible And dielectric strength, and improve mechanical strength, heat conductivity and radiating effect and delaying aging etc..After recoiling Motor winding carry out dipping lacquer process be requisite important step, in order to ensure the permeability of insullac, Coating surface must be smooth and have higher mechanical strength, make stator winding bonding become one solid Overall.At present, although commercially available motor winding insulation process impregnating varnish has stronger insulating properties, but anti- Tide rotproofness and ageing resistance are poor, and use toluene or dimethylbenzene as solvent more, and the feature of environmental protection is low, Have a strong impact on working environment and workers ' health.
Summary of the invention:
The technical problem to be solved is to provide a kind of insulating properties, moistureproof rotproofness, resistance to greasy dirt Property and ageing resistance is excellent and the feature of environmental protection is strong motor winding insulation process impregnating varnish.
The technical problem to be solved uses following technical scheme to realize:
A kind of motor winding insulation process impregnating varnish, is made up of the raw material of following parts by weight:
Alkyd resin 20-25 part, terpene resin 10-15 part, epoxide coal bituminous 10-15 part, paraffin oil 10-15 part, volcanic ash 6-10 part, ceramic 5-8 part, sodium bentonite 5-8 part, butadiene rubber 5-8 Part, dodecylbenzene sodium sulfonate 4-6 part, toughener 4-6 part, flake asbestos 3-5 part, emulsified silicone oil 3-5 Part, nanometer titanium dioxide 2-3 part, glycerol monolaurate 2-3 part, glass fiber powder 1-2 part；
Its preparation method comprises the steps:
(1) by alkyd resin with epoxide coal bituminous be sufficiently mixed, grinding at room temperature 15min, then at microwave frequency Microwave treatment 10min under 2450MHz, power 700W, is subsequently adding terpene resin and butadiene rubber, continues Continuous microwave treatment 10min, obtains material I；
(2) in paraffin oil, add volcanic ash, ceramic and sodium bentonite, be sufficiently mixed rear chamber gentle and quiet Put 30min, add flake asbestos, emulsified silicone oil and nanometer titanium dioxide, quiet at 0-5 DEG C after mix homogeneously Put 1h, obtain material II；
(3) in material I, material II, dodecylbenzene sodium sulfonate, toughener, glycerol monolaurate are added And glass fiber powder, add in ball mill after being sufficiently mixed, be milled to fineness less than 50 μm.
Described toughener is made up of the raw material of following parts by weight: Low Density Polyethylene 15-20 part, ardealite Powder 10-15 part, microwax 8-11 part, glutinous rice flour 6-9 part, microcrystalline Cellulose 4-7 part, PEG400 4-7 part, polyvinylpyrrolidone 3-6 part, nano-calcium carbonate 3-6 part, carbamide 2-4 part, spaonin powder 2-4 Part, bone black 1-2 part, tripolycyanamide 1-2 part, coal tar 10-15 part, rosin 20-25 part, its system Preparation Method is: first add in rosin by Low Density Polyethylene and microwax, in supersonic frequency 40kHz, Supersound process 15min under power 50W, under microwave frequency 2450MHz, power 700W at microwave Reason 10min, is subsequently adding PEG400, nano-calcium carbonate and bone black, continues microwave treatment 5min, After naturally cool to adding phosphogypsum powder, carbamide, tripolycyanamide and coal tar when 60-70 DEG C, insulation mixing 10min, adds glutinous rice flour, microcrystalline Cellulose, polyvinylpyrrolidone after continuing to naturally cool to room temperature And spaonin powder, it is sufficiently mixed uniformly.
The addition of this toughener can not only improve paint vehicle mobility and paint film flexibility, moreover it is possible to improves paint film Insulating properties, wearability and heat-resisting quantity.
The invention has the beneficial effects as follows: impregnating varnish of the present invention is no-solvent type, it is to avoid stay because of solvent volatilization Lower pinhole, to ensure the moisture resistance of paint film；Paint vehicle curing rate is fast, and the feature of environmental protection is strong, excellent storage stability； And paint film has the insulating properties of excellence, moistureproof rotproofness, resistance to oil stains and ageing resistance, effectively extends The service life of motor winding, it is ensured that the normal work of safety of motor.
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from Solve, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment 1
(1) it is sufficiently mixed epoxide coal bituminous to 20 parts of alkyd resin and 10 parts, grinding at room temperature 15min, then at Microwave treatment 10min under microwave frequency 2450MHz, power 700W, be subsequently adding 15 parts of terpene resins and 5 parts of butadiene rubbers, continue microwave treatment 10min, obtain material I；
(2) in 10 parts of paraffin oil, add 6 parts of volcanic ash, 6 parts of ceramics and 5 parts of sodium bentonites, fill Rear chamber is gentle and quiet puts 30min for point mixing, adds 3 parts of flake asbestos, 5 parts of emulsified silicone oils and 2 parts of nanometer titanium dioxides, At 0-5 DEG C, stand 1h after mix homogeneously, obtain material II；
(3) in material I, material II, 4 portions of dodecylbenzene sodium sulfonate, 4 portions of toughener, 2 portions of Laurels are added Acid monoglyceride and 1 part of glass fiber powder, add in ball mill after being sufficiently mixed, and is milled to fineness less than 50 μm。
The preparation of toughener: first 20 parts of Low Density Polyethylenes and 10 parts of microwaxes are added in 25 parts of rosin, Supersound process 15min under supersonic frequency 40kHz, power 50W, then at microwave frequency 2450MHz, Microwave treatment 10min under power 700W, is subsequently adding 4 parts of PEG400s, 5 parts of nano-calcium carbonates and 1 Part bone black, continues microwave treatment 5min, after naturally cool to add when 60-70 DEG C 10 parts of phosphogypsum powders, 2 Part carbamide, 1 part of tripolycyanamide and 15 parts of coal tar, insulation mixing 10min, continues to naturally cool to room temperature After add 8 parts of glutinous rice flours, 4 parts of microcrystalline Cellulose, 4 parts of polyvinylpyrrolidones and 2 parts of spaonin powders, fill Divide mix homogeneously.
Embodiment 2
(1) it is sufficiently mixed epoxide coal bituminous to 25 parts of alkyd resin and 15 parts, grinding at room temperature 15min, then at Microwave treatment 10min under microwave frequency 2450MHz, power 700W, be subsequently adding 10 parts of terpene resins and 6 parts of butadiene rubbers, continue microwave treatment 10min, obtain material I；
(2) in 15 parts of paraffin oil, add 8 parts of volcanic ash, 5 parts of ceramics and 5 parts of sodium bentonites, fill Rear chamber is gentle and quiet puts 30min for point mixing, adds 5 parts of flake asbestos, 3 parts of emulsified silicone oils and 3 parts of nanometer titanium dioxides, At 0-5 DEG C, stand 1h after mix homogeneously, obtain material II；
(3) in material I, material II, 4 portions of dodecylbenzene sodium sulfonate, 5 portions of toughener, 2 portions of Laurels are added Acid monoglyceride and 2 parts of glass fiber powders, add in ball mill after being sufficiently mixed, and is milled to fineness less than 50 μm。
The preparation of toughener: first 15 parts of Low Density Polyethylenes and 8 parts of microwaxes are added in 20 parts of rosin, Supersound process 15min under supersonic frequency 40kHz, power 50W, then at microwave frequency 2450MHz, Microwave treatment 10min under power 700W, is subsequently adding 6 parts of PEG400s, 3 parts of nano-calcium carbonates and 1 Part bone black, continues microwave treatment 5min, after naturally cool to add when 60-70 DEG C 15 parts of phosphogypsum powders, 2 Part carbamide, 2 parts of tripolycyanamide and 10 parts of coal tar, insulation mixing 10min, continues to naturally cool to room temperature After add 6 parts of glutinous rice flours, 5 parts of microcrystalline Cellulose, 3 parts of polyvinylpyrrolidones and 2 parts of spaonin powders, fill Divide mix homogeneously.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation The principle that the present invention is simply described described in book, 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 both fall within claimed invention model In enclosing.Claimed scope is defined by appending claims and equivalent thereof.

Claims (2)

1. a motor winding insulation process impregnating varnish, it is characterised in that former by following parts by weight Material is made:
Alkyd resin 20-25 part, terpene resin 10-15 part, epoxide coal bituminous 10-15 part, paraffin oil 10-15 part, volcanic ash 6-10 part, ceramic 5-8 part, sodium bentonite 5-8 part, butadiene rubber 5-8 Part, dodecylbenzene sodium sulfonate 4-6 part, toughener 4-6 part, flake asbestos 3-5 part, emulsified silicone oil 3-5 Part, nanometer titanium dioxide 2-3 part, glycerol monolaurate 2-3 part, glass fiber powder 1-2 part；
Its preparation method comprises the steps:
(1) by alkyd resin with epoxide coal bituminous be sufficiently mixed, grinding at room temperature 15min, then at microwave frequency Microwave treatment 10min under 2450MHz, power 700W, is subsequently adding terpene resin and butadiene rubber, continues Continuous microwave treatment 10min, obtains material I；
(2) in paraffin oil, add volcanic ash, ceramic and sodium bentonite, be sufficiently mixed rear chamber gentle and quiet Put 30min, add flake asbestos, emulsified silicone oil and nanometer titanium dioxide, quiet at 0-5 DEG C after mix homogeneously Put 1h, obtain material II；
(3) in material I, material II, dodecylbenzene sodium sulfonate, toughener, glycerol monolaurate are added And glass fiber powder, add in ball mill after being sufficiently mixed, be milled to fineness less than 50 μm.
Motor winding insulation process impregnating varnish the most according to claim 1, it is characterised in that institute State toughener to be made up of the raw material of following parts by weight: Low Density Polyethylene 15-20 part, phosphogypsum powder 10-15 part, microwax 8-11 part, glutinous rice flour 6-9 part, microcrystalline Cellulose 4-7 part, PEG400 4-7 Part, polyvinylpyrrolidone 3-6 part, nano-calcium carbonate 3-6 part, carbamide 2-4 part, spaonin powder 2-4 part, Bone black 1-2 part, tripolycyanamide 1-2 part, coal tar 10-15 part, rosin 20-25 part, its preparation side Method is: first add in rosin by Low Density Polyethylene and microwax, in supersonic frequency 40kHz, power Supersound process 15min under 50W, microwave treatment 10 under microwave frequency 2450MHz, power 700W Min, is subsequently adding PEG400, nano-calcium carbonate and bone black, continues microwave treatment 5min, treats certainly So being cooled to when 60-70 DEG C add phosphogypsum powder, carbamide, tripolycyanamide and coal tar, insulation mixes 10min, Glutinous rice flour, microcrystalline Cellulose, polyvinylpyrrolidone and Fructus Gleditsia is added after continuing to naturally cool to room temperature Powder, is sufficiently mixed uniformly.
CN201610289949.7A 2016-04-28 2016-04-28 Impregnating varnish for insulating treatment on motor winding Pending CN105860787A (en)

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Application Number Priority Date Filing Date Title
CN201610289949.7A CN105860787A (en) 2016-04-28 2016-04-28 Impregnating varnish for insulating treatment on motor winding

Publications (1)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103232796A (en) * 2013-05-13 2013-08-07 扬州大学 Quick-drying anticorrosive dipping prime paint with low viscosity as well as preparation and application method thereof
CN103589305A (en) * 2013-10-12 2014-02-19 安徽蓝润自动化仪表有限公司 Finishing coat for circuit board as well as preparation method thereof
CN103965741A (en) * 2014-05-28 2014-08-06 苏州大原电器有限公司 Insulation paint for impregnating micromotor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103232796A (en) * 2013-05-13 2013-08-07 扬州大学 Quick-drying anticorrosive dipping prime paint with low viscosity as well as preparation and application method thereof
CN103589305A (en) * 2013-10-12 2014-02-19 安徽蓝润自动化仪表有限公司 Finishing coat for circuit board as well as preparation method thereof
CN103965741A (en) * 2014-05-28 2014-08-06 苏州大原电器有限公司 Insulation paint for impregnating micromotor

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