CN109810479A - A kind of insulating materials for plastic stator - Google Patents
A kind of insulating materials for plastic stator Download PDFInfo
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- CN109810479A CN109810479A CN201811564671.5A CN201811564671A CN109810479A CN 109810479 A CN109810479 A CN 109810479A CN 201811564671 A CN201811564671 A CN 201811564671A CN 109810479 A CN109810479 A CN 109810479A
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- insulating materials
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- antistatic agent
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Abstract
A kind of insulating materials for plastic stator, is made of the raw material of following parts by weight: 20~30 parts of PBT resin, 10~16 parts of PET resin, 6~10 parts of glass fibre, 5~9 parts of silica, 1~3 part of graphene, 1~2 part of paraffin, 1~5 part of antistatic agent, 2~4 parts of heat-resisting material.The invention has the benefit that joined antistatic agent in the present invention, substantially increase the antistatic property of insulating materials, the glass fibre of addition has good insulating properties, heat resistance, corrosion resistance and mechanical strength, and graphene improves the disadvantage that glass fibre wears no resistance, property is crisp；Raw material used in the present invention is easy to get environmental protection, and preparation method is simple, and production cost is low.
Description
Technical field
The invention belongs to the plastic fields of stator, and in particular to a kind of insulating materials for plastic stator.
Background technique
Plastic stator refer to it is with insulating materials that stator is plastic in each phase of stator, in order to play to motor transport
The insulating effect of electric current when turning.
Electrical insulating material is by the definition of 2900.5 regulation insulating materials of standard GB/T: " for making device electrical
The material of upper insulation ".The material that namely electric current can be prevented to pass through.Its resistivity is very high, usually 10~10 Ω m's
In range.Such as in motor, turn-to-turn is isolated and is kept apart with the stator core of ground connection by the insulating materials around conductor, to protect
Demonstrate,prove the safe operation of motor.
It generally requires for the insulating materials in the plastic technique of stator with good insulating capacity and heat-resisting ability,
But sometimes when workshop air is relatively dry, stator covered material is easy to produce electrostatic, and the wear-resisting equal objects of material
Rationality can be poor；Existing stator covered material cost of material is high, and production method is complicated, high production cost, not environmentally.
Summary of the invention
Technical problem to be solved by the present invention lies in: sometimes when workshop air is relatively dry, stator is plastic
Material is easy to produce electrostatic, and the physical properties such as wear-resisting of material are poor.For this purpose, providing a kind of insulation for plastic stator
Material.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
A kind of insulating materials for plastic stator, is made of the raw material of following parts by weight: 20~30 parts of PBT resin, PET tree
10~16 parts of rouge, 6~10 parts of glass fibre, 5~9 parts of silica, 1~3 part of graphene, 1~2 part of paraffin, antistatic agent 1~
5 parts, 2~4 parts of heat-resisting material.
Preferably, be made of the raw material of following parts by weight: 20 parts of PBT resin, 10 parts of PET resin, 6 parts of glass fibre,
5 parts of silica, 1 part of graphene, 1 part of paraffin, 1 part of antistatic agent, 2 parts of heat-resisting material.
Preferably, be made of the raw material of following parts by weight: 30 parts of PBT resin, 16 parts of PET resin, 10 parts of glass fibre,
9 parts of silica, 3 parts of graphene, 2 parts of paraffin, 5 parts of antistatic agent, 4 parts of heat-resisting material.
Preferably, be made of the raw material of following parts by weight: 25 parts of PBT resin, 13 parts of PET resin, 8 parts of glass fibre,
7 parts of silica, 2 parts of graphene, 1.5 parts of paraffin, 3 parts of antistatic agent, 3 parts of heat-resisting material.
Preferably, the antistatic agent is anionic antistatic agents.
Preferably, the anionic antistatic agents are any one in sodium alkyl sulfonate or nabam.
Preferably, the heat-resisting material is aluminium nitride, boron carbide, silicon carbide, boron nitride, silicon nitride according to mass fraction
Than the mixture for 1:1.5:1:1.5:1.
PBT, also referred to as polybutylene terephthalate (PBT), belong to polyester series, are by 1.4-pbt butanediol and to benzene two
Formic acid (PTA) or terephthalate (DMT) polycondensation form, and translucent to not via milky made of program is kneaded
Transparent, crystalline thermoplastic polyester's resin.PBT is referred to as thermoplastic polyester or saturated polyester together with PET.With following excellent
Point: excellent mechanical performance, high mechanical strength, fatigue durability and dimensionally stable are good.Creep is also small, these performances are in hot conditions
Under also seldom change；Production PBT consumed by energy be it is minimum in engineering plastics, this is tight for the energy in world wide
In the case where lacking, have a very important significance；Heat-resistant aging is excellent, and enhanced Undterwriter's Laboratory temperature index reaches 120~140
DEG C, in addition, outdoor long-term ageing is also fine；Solvent resistant is good, unstressed cracking；PBT is easy to fire-retardant, up to UL94V-0 grades, by
In good with the affine performance of fire retardant, so being easy the fire-retardant grade of exploitation response type or addition type.Flame retardant products are in electronic apparatus
It is widely applied in industry；Excellent electric property, volume resistivity and dielectric strength are high, and arc resistance is excellent, hygroscopicity
It is minimum, under moist and hot environment, it is also able to maintain electric performance stablity, is the ideal material for manufacturing electronics, electric parts；Yi Cheng
Type processing and secondary operation, easy-to-use conventional equipment injection molding or extrusion molding.Since crystallization rate is fast, good fluidity, mold temperature also compares
Other Engineering material requirements is low, only needs when processing thin wall parts several seconds, also only needs 40~60s to big component；It is mechanical
Property stabilizes that tensile strength is similar to tensile modulus and nylon, coefficient of friction is small that self-lubricity, water absorption rate are low, electrical resistance is of fine quality
Good, dimensional stability is good, resistance to chemical reagents, oil resistivity are splendid.
PET plastic has good optical property and weatherability, and amorphous PET plastic has good optical clear
Property.In addition PET plastic has excellent abrasion performance frictional property and dimensional stability and electrical insulating property.The bottle that PET is made into has strong
Degree is big, the transparency is good, nontoxic, impermeable, light weight, production efficiency height etc. thus receive and be widely applied.
Glass fibre is a kind of inorganic non-metallic material haveing excellent performance, many kinds of, and advantage is good insulating, heat resistance
By force, corrosion resistance is good, high mechanical strength, but the disadvantage is that property is crisp, wearability is poor.It is pyrophillite, quartz sand, lime stone, white
Seven kinds of marble, bechilite, boromagnesite ores are raw material through caused by the techniques systems such as high temperature melting, wire drawing, doff, woven fabric, list
The diameter of silk is several microns to twenties microns, is equivalent to the 1/20~1/5 of a hairline, every bundle fiber precursor is all
It is made of hundreds of even thousands of monofilament.Glass fibre is typically used as the reinforcing material in composite material, electrically insulating material and
Heat-insulating material, the national economy every field such as circuit substrate.Glass fibre is added in the present invention, considerably increases this hair
Insulating properties, heat resistance, corrosion resistance and the mechanical strength of the bright insulating materials.
Silica is added in rubber, and the wear resistance of rubber can be improved.It can change while tire drag can be reduced
The wearability and anti-slippery of kind tire.It is mentioned using the sizing material tensile strength, tearing strength, wearability etc. of silica
It is high.Silica is added in the present invention can be enhanced the physics such as the wearability of insulating materials of the present invention, tensile strength
Performance.
Antistatic agent (ASA) generally all has the feature of surfactant, and polar group and non-polar group are simultaneous in structure
And there is it.For plastics mainly in adding type antistatic agent, what interior adding type ASA was unevenly distributed in the polymer, when adding
When being added to certain amount, the surface of composite material will form the film that one layer of hydrophilic radical arranges outward, while internal ASA energy
The defect of film layer is supplemented to surface penetration；Therefore the compatibility of ASA and polymer just forms contradictory two aspect, phase
Capacitive can make to slow down to appearance seepage velocity well, it is difficult to surface layer ASA loss be replenished in time, otherwise material can be made prematurely to lose again
Lose antistatic property.The Combination between Masterbatch raw material can be improved in paraffin, and ductility can play reconciliation wherein and make
With paraffin is added in the present invention can make the antistatic property of antistatic agent will not premature loss.
Heat-resisting material includes refractory material and heat proof material, has inorganic compound, also there is macromolecule polymer material.It is resistance to
Fiery material typically refers to the inorganic material for being resistant to 1580 DEG C of temperatures above.They be build kiln, combustion chamber and other need it is resistance to
The construction material of high temperature.Generally make raw material with quartz sand, clay, magnesite, dolomite etc. and be made, thermostable heat-isolating applies
Expect that will is contained, is a kind of component inorganic coating, heatproof amplitude can inhibit height in -80~1800 DEG C, thermal coefficient 0.03W/m.K
High temp objects can be kept 70% heat not lose by the heat radiation and conduction heat of warm object and cryogenic object.
8mm thermostable heat-isolating coating is coated in 1100 DEG C of body surfaces, body surface temperature can be from 1100 DEG C
It is reduced within 100 DEG C.In addition there are also the spies such as insulation, light-weight, easy for construction, long service life for thermostable heat-isolating coating
Point, it is also possible to do the use of inorganic material high temperature-resistant acid-resistant alkali glue crosslinking agent, attachment object is secured.Such as refractory cement, magnesia brick.From wide
It is said in justice, inorganic refractory, heat proof material refer to that the hardness of these compounds is high, brittleness is good, resistance to chemical corrosion is good, Er Qierong
O'clock in 1500 or more, such as high temp glass, refractory material is also belonged to.
Mainly be divided to metallic and nonmetallic compounds and it is nonmetallic between two class of compound.The former as tungsten, molybdenum, tantalum, niobium, vanadium, chromium,
The boride of the refractory metals such as titanium, zirconium and rare earth metal, carbide, nitride, silicide, phosphide and sulfide etc.;Afterwards
Person such as boron carbide, silicon carbide, boron nitride, silicon nitride, boron phosphide, phosphatization silicon etc..
The latter has epochmaking purposes, can be used as high-temperature refractory (such as abrasive material, mold, nozzle, pyrometer couple set
Pipe), heat proof material (structural detail, the nuclear engineering material, heating element of such as rocket), (such as pyrometer couple ignites electrical material
Electrode), additionally it is used as chemical resistant material and hard material etc..Heat-resistant polymer can be used as high-temperature resistant membrane insulation material
Material, high-temperature fibre, high-temperature resistant coating, high-temperature-resistant adhesive etc..According to the time resistant to high temperature, but divide moment heat-resisting material and
The heat-resisting material of long period.The former is resistant to several seconds to a few minutes at 1000~10000 DEG C.Wherein ablator is also resistance to height
Adiabator.Such as at 300~600 DEG C, it is able to maintain its mechanical strength, resistant to chemical etching etc. in air.
The heat-resisting quantity of insulating materials not only can be improved in heat-resisting material, moreover it is possible to improve the corrosion resistance of insulating materials.
The invention has the benefit that joined antistatic agent in the present invention, the antistatic of insulating materials is substantially increased
The glass fibre of performance, addition has good insulating properties, heat resistance, corrosion resistance and mechanical strength, and graphene improves glass
The disadvantage that glass fibre abrasion is poor, property is crisp；Raw material used in the present invention is easy to get environmental protection, and preparation method is simple, and production cost is low.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Embodiment cooperation detailed description, is described as follows:
Embodiment 1
A kind of insulating materials for plastic stator, is made of the raw material of following parts by weight: 20 parts of PBT resin, PET resin 10
Part, 6 parts of glass fibre, 5 parts of silica, 1 part of graphene, 1 part of paraffin, 1 part of antistatic agent, 2 parts of heat-resisting material.
The antistatic agent be anionic antistatic agents, specifically, the anionic antistatic agents be sodium alkyl sulfonate or
Any one in nabam.
It according to mass parts ratio is 1 that the heat-resisting material, which is aluminium nitride, boron carbide, silicon carbide, boron nitride, silicon nitride:
The mixture of 1.5:1:1.5:1.
Embodiment 2
A kind of insulating materials for plastic stator, is made of the raw material of following parts by weight: 30 parts of PBT resin, PET resin 16
Part, 10 parts of glass fibre, 9 parts of silica, 3 parts of graphene, 2 parts of paraffin, 5 parts of antistatic agent, 4 parts of heat-resisting material.
Other embodiments and embodiment 1 are identical.
Embodiment 3
A kind of insulating materials for plastic stator, is made of the raw material of following parts by weight: 25 parts of PBT resin, PET resin 13
Part, 8 parts of glass fibre, 7 parts of silica, 2 parts of graphene, 1.5 parts of paraffin, 3 parts of antistatic agent, 3 parts of heat-resisting material.
Other embodiments and embodiment 1 are identical.
Described in above-described embodiment 1 to 3 for plastic stator insulating materials the preparation method comprises the following steps:
(1) it after being melted at 1000~1200 DEG C after mixing the PBT resin of above-mentioned parts by weight, PET resin, is cooled to
At 800~900 DEG C, molten mixture is obtained；
(2) be added into fusant above-mentioned parts by weight glass fibre, silica and heat-resisting material mixing after it is abundant
It is crushed to the sieving of 150 mesh, obtains pulverulent mixture, for use；
(3) temperature for keeping above-mentioned molten mixture is 800~900 DEG C, and molten mixture is added in above-mentioned pulverulent mixture
In, stirring is sufficiently mixed uniformly to the two, and the paraffin of above-mentioned parts by weight is slowly added in whipping process；
(4) antistatic agent of above-mentioned parts by weight is slowly added in mixture in step (3), be thoroughly mixed it is uniform it
Afterwards, the temperature of cooling final mixture is to 100~120 DEG C, and pelletizer is added and is granulated to get the insulating materials.
In the plastic technique of stator, the proper amount of insulating materials need to be only chosen, be added after high-temperature fusion
Injection molding machine carries out the injection molding of stator, can obtain required plastic stator.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of insulating materials for plastic stator, it is characterised in that: be made of the raw material of following parts by weight: PBT resin
20~30 parts, 10~16 parts of PET resin, 6~10 parts of glass fibre, 5~9 parts of silica, 1~3 part of graphene, paraffin 1~2
Part, 1~5 part of antistatic agent, 2~4 parts of heat-resisting material.
2. a kind of insulating materials for plastic stator according to claim 1, it is characterised in that: by following parts by weight
Raw material composition: 20 parts of PBT resin, 10 parts of PET resin, 6 parts of glass fibre, 5 parts of silica, 1 part of graphene, 1 part of paraffin,
1 part of antistatic agent, 2 parts of heat-resisting material.
3. a kind of insulating materials for plastic stator according to claim 1, it is characterised in that: by following parts by weight
Raw material composition: 30 parts of PBT resin, 16 parts of PET resin, 10 parts of glass fibre, 9 parts of silica, 3 parts of graphene, paraffin 2
Part, 5 parts of antistatic agent, 4 parts of heat-resisting material.
4. a kind of insulating materials for plastic stator according to claim 1, it is characterised in that: by following parts by weight
Raw material composition: 25 parts of PBT resin, 13 parts of PET resin, 8 parts of glass fibre, 7 parts of silica, 2 parts of graphene, paraffin 1.5
Part, 3 parts of antistatic agent, 3 parts of heat-resisting material.
5. a kind of insulating materials for plastic stator according to any one of claim 1 to 4, it is characterised in that: institute
Stating antistatic agent is anionic antistatic agents.
6. a kind of insulating materials for plastic stator according to claim 5, it is characterised in that: the anion resists quiet
Electric agent is any one in sodium alkyl sulfonate or nabam.
7. a kind of insulating materials for plastic stator according to any one of claim 1 to 4, it is characterised in that: institute
It according to mass parts ratio is 1:1.5:1:1.5:1 that state heat-resisting material, which be aluminium nitride, boron carbide, silicon carbide, boron nitride, silicon nitride,
Mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564671.5A CN109810479A (en) | 2018-12-20 | 2018-12-20 | A kind of insulating materials for plastic stator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564671.5A CN109810479A (en) | 2018-12-20 | 2018-12-20 | A kind of insulating materials for plastic stator |
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| CN109810479A true CN109810479A (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811564671.5A Pending CN109810479A (en) | 2018-12-20 | 2018-12-20 | A kind of insulating materials for plastic stator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040389A (en) * | 2019-12-18 | 2020-04-21 | 佛山科学技术学院 | High-temperature-resistant degradable plastic material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709659A (en) * | 2012-09-30 | 2014-04-09 | 青岛欣展塑胶有限公司 | Glass fiber reinforced PBT/PET alloy material |
| CN107474499A (en) * | 2017-08-15 | 2017-12-15 | 利威光源零件(厦门)有限公司 | A kind of heat conductive flame-retarding PET/PBT composites and the lamp holder being made from it |
-
2018
- 2018-12-20 CN CN201811564671.5A patent/CN109810479A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709659A (en) * | 2012-09-30 | 2014-04-09 | 青岛欣展塑胶有限公司 | Glass fiber reinforced PBT/PET alloy material |
| CN107474499A (en) * | 2017-08-15 | 2017-12-15 | 利威光源零件(厦门)有限公司 | A kind of heat conductive flame-retarding PET/PBT composites and the lamp holder being made from it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040389A (en) * | 2019-12-18 | 2020-04-21 | 佛山科学技术学院 | High-temperature-resistant degradable plastic material |
| CN111040389B (en) * | 2019-12-18 | 2022-04-26 | 佛山科学技术学院 | High-temperature-resistant degradable plastic material |
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Application publication date: 20190528 |