CN207409326U - A kind of high temperature resistant mica tape - Google Patents
A kind of high temperature resistant mica tape Download PDFInfo
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- CN207409326U CN207409326U CN201721423487.XU CN201721423487U CN207409326U CN 207409326 U CN207409326 U CN 207409326U CN 201721423487 U CN201721423487 U CN 201721423487U CN 207409326 U CN207409326 U CN 207409326U
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- strengthening course
- mica tape
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Abstract
The utility model is related to a kind of high temperature resistant mica tapes, including mica layer, gluing oxidant layer, the first strengthening course, the second strengthening course and waterproof layer, the upper and lower outer surface of mica layer is respectively equipped with the first strengthening course and the second strengthening course, it is equipped between mica layer and the first strengthening course and mica layer and the second strengthening course for Nian Jie gluing oxidant layer, second strengthening course outer surface is equipped with the waterproof layer being bonded with gluing oxidant layer, and waterproof layer is polytetrafluoroethylmicroporous microporous membrane.By double-deck strengthening action, strengthen reinforcing effect, the mechanical strength and toughness of mica tape are improved, so as to improve the heat resistance of mica tape；And polytetrafluoroethylmicroporous microporous membrane is set in the second strengthening course outer surface, the water proofing property and thermal diffusivity of mica tape are improved, and further improves the heat resistance and mechanical property of mica tape.
Description
Technical field
The utility model is related to mica tape technical field, more specifically to a kind of high temperature resistant mica tape.
Background technology
Mica tape is broadly divided into motor mica tape and cable and wire mica tape by purposes, mainly by mica paper, reinforcement
Material, adhesive and other additives composition are by adhesive bond mica paper, plastic film or alkali-free glass cloth reinforcement, warp
It crosses and the dribbling shape refractory insulating material that processes are process such as bakes and banks up with earth, winds and cut, be often used as the insulation of motor and cable
And flame retardant coating.
Mica paper has good electric property and mechanical performance, and heat-resist, chemical stability is good.With mica paper base material
The mica tape of preparation has excellent high temperature resistant and flame resistance energy.But the moisture resistance poor-performing of mica paper, it is larger in humidity
In environment, easily water suction is rotten, and the resistance to fire intensity of mica paper and tensile toughness of machine-shaping are bad, in winding cable or motor
When, it is easily broken off, so the prior art sets strengthening course and waterproof film layer usually on mica layer.The strengthening course of individual layer is to cloud
The strengthening action of master tape is limited, and waterproof layer is usually the plastic films such as PE, PET, the elasticity and good toughness of film, but high temperature resistant
Performance and thermal diffusivity are bad, so as to reduce the heat-resisting quantity of mica tape entirety, and the cable of mica tape and mica tape winding and
The work calories of motor can not shed, and make hot soak condition inside mica tape, influence the heat-resisting quantity of mica tape and make
Use the service life.
Utility model content
The purpose of the utility model is to overcome the deficiency of existing mica tape, it is good to provide a kind of reinforcing effect, heat resistance and
The good high temperature resistant mica tape of thermal diffusivity.
Based on this, the technical solution of the utility model is provides a kind of high temperature resistant mica tape, including mica layer, adhesive
Layer, the first strengthening course, the second strengthening course and waterproof layer, the upper and lower outer surface of the mica layer be respectively equipped with the first strengthening course and
Second strengthening course is equipped between mica layer and the first strengthening course and mica layer and the second strengthening course for Nian Jie gluing oxidant layer,
Second strengthening course outer surface is equipped with the waterproof layer being bonded with gluing oxidant layer, and the waterproof layer is polytetrafluoroethylmicroporous microporous membrane.
Mica layer is the mica paper of individual layer, and mica paper has good electric property and mechanical performance, heat-resist, chemistry
Stability is good.Excellent high temperature resistant and flame resistance energy can be provided by base material of mica paper for mica tape.But the cloud of machine-shaping
The impact strength of female paper and tensile toughness are bad, when winding cable or motor, are easily broken off, so in the upper and lower of mica layer
Outer surface is respectively equipped with the first strengthening course and the second strengthening course, by double-deck strengthening action, strengthens reinforcing effect, improves mica tape
Mechanical strength and toughness, so as to improve the heat resistance of mica tape.To strengthen the Adhesion property of mica layer and strengthening course, prevent
Mica layer and reinforcement interlayer occur to loosen and depart from, it is necessary to add in gluing oxidant layer between mica layer and strengthening course to improve the two
Bonding force.In addition, mica paper is hygroscopic rotten, the hydraulic performance declines such as rotten heat resistance of mica layer, so need to be mended second
Strong layer outer surface is equipped with the waterproof layer being bonded with gluing oxidant layer.The gas permeability of common plastic film is bad, the electricity of mica tape cladding
The work calories of cable or motor cannot shed in time, and heat aggregation makes cable or motor be in the working condition of high temperature, influences electricity
The heat resistance and service life of cable and motor, and the high temperature resistance of common plastic film and thermal diffusivity are bad, so, this practicality
It is new using waterproof layer of the polytetrafluoroethylmicroporous microporous membrane as mica tape.Polytetrafluoroethylene (PTFE) have excellent high temperature resistance and
Weather resistance, polytetrafluoroethylmicroporous microporous membrane surface be uniformly distributed there are many microcellular structure, the diameter of extraneous water droplet is more than
Micro-pore diameter, water droplet can not penetrate microporous barrier, and gas and heat can be distributed through microcellular structure on the outside of taincolite band, so as to carry
The heat dissipation of high mica tape and heat resistance.
Further, the gluing oxidant layer is modifying epoxy resin by organosilicon adhesive.Gluing oxidant layer generally use epoxy
Resin adhesive or organic silicon adhesive, epoxyn have good mechanical property, bonding force are high, shrinking percentage is small,
Excellent electrical insulating property, but cross linking of epoxy resin density after curing is high, internal stress is big, thus there are this matter is crisp, poor heat resistance
The shortcomings of；And organic silicon adhesive has good heat-resisting quantity, but solidification temperature is high（250~300℃）, hardening time is long, uses
Modifying epoxy resin by organosilicon adhesive can reduce the internal stress of epoxy resin, increase toughness, improve heat resistance, at the same also can gram
Take the shortcomings that individual organic silicon adhesive solidification temperature is high, and hardening time is long.
Further, the waterproof layer outer surface is equipped with flame-retardant layer, and the flame-retardant layer is organic silicon fibre retardant.As waterproof
The flame retardant property of organic microporous membrane of layer is poor, need to be in waterproof layer surface plus one layer of flame-retardant layer, and organic silicon fibre retardant is one
Kind novel low-toxicity, anti-molten drop, the halogen-free flame retardants of environmental protection and a kind of charcoal becoming smoke suppressant.With organo-silicon compound fire retardant
For flame-retardant layer, assigning outside the excellent flame retardant property of waterproof layer, moreover it is possible to improve the heat resistance of waterproof layer.In addition, organosilicon
The compatibility and cementability of fire retardant and organic substrate are good, and the organo-silicon compound flame-retardant layer on organic film is not easy to fall off.
Further, first strengthening course is that thickness is staggeredly worked out for the warp thread and weft yarn of 0.020 ~ 0.030 mm
Alkali-free glass fiber cloth.Strengthening course is blocked up, increases the integral thickness of mica tape, and when winding cable and motor, mica interband twines
Around leakiness, band easily generates gap and loosening with interband, influences the use of mica tape；Strengthening course is excessively thin, and reinforcing effect is bad,
The thickness of strengthening course is preferably 0.020 ~ 0.030 mm.In addition, alkali-free glass fiber cloth tensile strength and coefficient of elasticity height, impact
It is good, fire resistance, cheap, strengthening action can be played to mica paper, improves the tensile strength and impact strength of mica tape, again
The fire resistance of mica tape can be improved.And the alkali-free glass fibre that warp thread and weft yarn are staggeredly worked out is equal in longitude and latitude direction
There is preferable mechanical strength, so as to fulfill strengthening action of the glass fibre to mica paper.
Further, second strengthening course is that thickness is 0.020 ~ 0.040 mm aromatic polyamide fibre cloth.As second
The thickness of the aromatic polyamide fibre cloth of strengthening course is preferably controlled in 0.020 ~ 0.040 mm, aromatic polyamide fibre cloth have it is high it is heat-resisting,
High melt temperature, high intensity and good radiation resistance can enhance the mechanical property, heat resistance and radiation resistance of mica tape
Energy.
Further, the mica layer is that thickness is 0.030 ~ 0.065 mm, and proportion is 50 ~ 100 g/m2Synthetic mica
Paper.Mica paper is broadly divided into three kinds of muscovite paper, phlogopite paper and synthetic mica paper, and the performance of wherein synthetic mica paper is optimal,
It can reach 1200 DEG C with the highest refractory temperature of mica tape made from synthetic mica paper.The thickness of mica paper is preferably 0.030 ~
0.065 mm, mica paper is blocked up, increases the thickness of mica tape, reduces the toughness of mica tape, influences the use of mica tape, mica paper
Excessively thin, mechanical property is bad, is acted on by external force easily damaged.
Compared with prior art, the advantageous effect of technical solutions of the utility model is：
The high temperature resistant mica tape of the utility model is respectively equipped with the first strengthening course by the upper and lower outer surface in mica layer
With the second strengthening course, by double-deck strengthening action, strengthen reinforcing effect, the mechanical strength and toughness of mica tape are improved, so as to carry
The heat resistance of high mica tape；By setting polytetrafluoroethylmicroporous microporous membrane in the second strengthening course outer surface, mica tape can be improved
Water proofing property and thermal diffusivity, and further improve the heat resistance and mechanical property of mica tape.
Description of the drawings
Fig. 1 is a kind of structure diagram of high temperature resistant mica tape of the utility model.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, and in order to better illustrate the present embodiment, some components of attached drawing have omission, zoom in or out, do not represent
The size of actual product；To those skilled in the art, in attached drawing some known features and its explanation may omit be can
With understanding.
Embodiment 1
As shown in Figure 1, the mica layer 1 of the utility model is the mica paper of individual layer, which is muscovite paper, phlogopite
One kind of paper and synthetic mica paper, preferably synthetic mica paper, the performance of synthetic mica paper due to muscovite paper and phlogopite paper,
1200 DEG C can be reached with the highest refractory temperature of mica tape made from synthetic mica paper, the thickness of the mica layer 1 is generally
0.030~0.065 mm.Gluing oxidant layer 2 is uniformly coated on 1 surface of mica layer, for improving the bonding of mica layer 1 and strengthening course
Power, gluing oxidant layer 2 can be epoxy resin, one kind of organic siliconresin, be preferably modifying epoxy resin by organosilicon adhesive, with having
Machine silicon modified epoxy resin adhesive can reduce the internal stress of epoxy resin, increase toughness, improve heat resistance, while can also overcome
The shortcomings that individual organic silicon adhesive solidification temperature is high, and hardening time is long.The upper and lower outer surface of mica layer 1 passes through glue respectively
Adhesive layer 2 is bonded with the first strengthening course 3 and the second strengthening course 4, and strengthening course can be alkali-free glass cloth, ceramic fiber cloth, poly- fragrant acyl
Amine fiber cloth, the one or more of polyester fiber cloth, preferably the first strengthening course 3 be thickness be 0.020 ~ 0.030 mm warp thread and
The alkali-free glass fiber cloth that weft yarn is staggeredly worked out.Alkali-free glass fiber cloth tensile strength and coefficient of elasticity are high, impact is good,
Fire resistance, it is cheap, strengthening action can be played to mica paper, improve the tensile strength and impact strength of mica tape, moreover it is possible to carry
The fire resistance of high mica tape.It is preferred that it is 0.020 ~ 0.040 mm aromatic polyamide fibre cloth that the second strengthening course 4, which is thickness,.Nomex
Fiber cloth has high heat-resisting, high melt temperature, high intensity and good radiation resistance, can enhance mica tape mechanical property,
Heat resistance and radiation resistance.In addition, to improve the waterproof and heat dissipation performance of mica tape, and further improve the resistance to of mica tape
Fire can set waterproof layer 5 of the polytetrafluoroethylmicroporous microporous membrane as mica tape in 4 outer surface of the second strengthening course.It is anti-to improve
The anti-flammability of water layer 5, can set flame-retardant layer 6 in 5 outer surface of waterproof layer, which can be phosphorus-nitrogen combustion inhibitor, organosilicon resistance
One kind of agent is fired, is preferably organic silicon fibre retardant.Organic silicon fibre retardant is a kind of novel low-toxicity, anti-molten drop, the Halogen resistance of environmental protection
Agent and a kind of charcoal becoming smoke suppressant are fired, in addition to the excellent flame retardant property of waterproof layer 5 is assigned, moreover it is possible to improve the resistance to of waterproof layer 5
Hot property.And the compatibility of organic silicon fibre retardant and organic substrate is good, it is not easy to come off from organic film.
Embodiments described above is only the optimal specific embodiment of the utility model, but the utility model is not limited to
Described embodiment for a person skilled in the art, is not departing from the situation of the utility model principle and spirit
Under, a variety of change, modification, replacement and modification are carried out to these embodiments, are still fallen in the scope of protection of the utility model.
Claims (6)
1. a kind of high temperature resistant mica tape, including mica layer（1）, gluing oxidant layer（2）, the first strengthening course（3）, the second strengthening course（4）
And waterproof layer（5）, which is characterized in that the mica layer（1）Upper and lower outer surface be respectively equipped with the first strengthening course（3）With second
Strengthening course（4）, mica layer（1）With the first strengthening course（3）And mica layer（1）With the second strengthening course（4）Between be equipped with for being bonded
Gluing oxidant layer（2）, the second strengthening course（4）Outer surface is equipped with gluing oxidant layer（2）The waterproof layer of bonding（5）, the waterproof layer
（5）For polytetrafluoroethylmicroporous microporous membrane.
2. a kind of high temperature resistant mica tape according to claim 1, it is characterised in that：The gluing oxidant layer（2）For organosilicon
Modified epoxide resin adhesive.
3. a kind of high temperature resistant mica tape according to claim 1, it is characterised in that：The waterproof layer（5）Outer surface is equipped with
Flame-retardant layer（6）, the flame-retardant layer（6）For organic silicon fibre retardant.
4. a kind of high temperature resistant mica tape according to claim 1, it is characterised in that：First strengthening course（3）It is thickness
The alkali-free glass fiber cloth staggeredly worked out for the warp thread and weft yarn of 0.020 ~ 0.030 mm.
5. a kind of high temperature resistant mica tape according to claim 1, it is characterised in that：Second strengthening course（4）It is thickness
For 0.020 ~ 0.040 mm aromatic polyamide fibre cloth.
6. a kind of high temperature resistant mica tape according to claim 1, it is characterised in that：The mica layer（1）It is that thickness is
0.030 ~ 0.065 mm, proportion are 50 ~ 100 g/m2Synthetic mica paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423487.XU CN207409326U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature resistant mica tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423487.XU CN207409326U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature resistant mica tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409326U true CN207409326U (en) | 2018-05-25 |
Family
ID=62408329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423487.XU Active CN207409326U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature resistant mica tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409326U (en) |
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2017
- 2017-10-31 CN CN201721423487.XU patent/CN207409326U/en active Active
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