CN109824986A - Power supply line insulating layer of enhanced water resistance and preparation method thereof - Google Patents
Power supply line insulating layer of enhanced water resistance and preparation method thereof Download PDFInfo
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Abstract
This application involves field of material technology, in particular to a kind of power supply line insulating layer and preparation method thereof of enhanced water resistance.Power supply line insulating layer, its raw material components includes sizing material, filler, plasticizer and fire retardant, the sizing material includes at least one of polyvinyl chloride, haloflex, ethylene propylene diene rubber, bibasic ethylene propylene rubber and POE, with power supply line insulating layer raw material components total weight, the content of polyvinyl chloride is a%, and the content of haloflex is b%, the content of ethylene propylene diene rubber is c%, the content of bibasic ethylene propylene rubber is d%, and the content of POE is e%, and satisfaction has: 0.3a+0.5b+c+d+e >=28.By controlling the critical material composition of power supply line raw material, quality problems are solved from source, power supply line insulation resistance under the conditions of soaked after sale is effectively prevented and declines, the electric wire of resistance to drops, initiation is burnt, the technical problems such as on fire.
Description
Technical field
This application involves field of material technology, in particular to the power supply line insulating layer and its system of a kind of enhanced water resistance
Preparation Method.
Background technique
The inside and outside machine of split air conditioner air conditioner needs to be attached by power supply line, and the power supply line of connection is mostly in room
Outside, affected by environment larger, there is the case where being immersed in water for a long time, power supply line in this case, easily occurs under insulation resistance
The problems such as dropping, resistance to drops, electric wire caused to burn or even is on fire.At present for this problem after sale, the experiment side being usually taken
Whether method is long-term soaked simulation, or by high temperature water boiling method carry out verifying product and can meet to make under the conditions of having water for a long time
With.Soaked and boiling is long experimental period, is unfavorable for the control to product quality.By forming progress and water boiling resistance to product material
Performance carries out correlation research, finds optimal material mixture ratio, it is very necessary for improving the water resistance of product.
Summary of the invention
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, primary and foremost purpose of the invention exists
In overcoming problems of the prior art, provide a kind of power supply line insulating layer product with compared with enhanced water resistance.
To achieve the goals above, according to the first aspect of the technical program, the technical program provides a kind of high resistance to
Aqueous power supply line insulating layer.
According to a kind of power supply line insulating layer of enhanced water resistance of the embodiment of the present application, raw material components include sizing material, filling
Agent, plasticizer and fire retardant, the sizing material include polyvinyl chloride, haloflex, ethylene propylene diene rubber, bibasic ethylene propylene rubber and
At least one of POE, with power supply line insulating layer raw material components total weight, the content of polyvinyl chloride is a%, haloflex
Content be b%, the content of ethylene propylene diene rubber is c%, and the content of bibasic ethylene propylene rubber is d%, and the content of POE is e%, full
Foot has: 0.3a+0.5b+c+d+e >=28.
Further, 0.3a+0.5b+c+d+e >=30.
Further, the filler includes at least one of calcium carbonate and talcum powder.
Further, the fire retardant includes at least one of calcium carbonate and talcum powder.
Further, the plasticizer includes dioctyl terephthalate, trioctyl trimellitate (TOTM) and adipic acid dibutyl ester
At least one of.
Further, the power supply line insulating layer of enhanced water resistance includes the raw material components of following weight content: 15%-22%'s
Polyvinyl chloride, the mixture of the ethylene propylene diene rubber of 23%-27%, bibasic ethylene propylene rubber and POE, the calcium carbonate of 12%-20%,
The mixture of the talcum powder of 25%-35%, magnesia and magnesium hydroxide, the dioctyl terephthalate of 0-5%, tri trimellitate
The mixture of monooctyl ester and adipic acid dibutyl ester.
Further, the power supply line insulating layer of enhanced water resistance includes the raw material components of following weight content: 16%-20%'s
Haloflex, the mixture of the ethylene propylene diene rubber of 18%-23%, bibasic ethylene propylene rubber and POE, the carbonic acid of 12%-20%
Calcium, the mixture of the talcum powder of 31%-41%, magnesia and magnesium hydroxide, the dioctyl terephthalate of 0-5%, inclined benzene three
The mixture of sour three monooctyl esters and adipic acid dibutyl ester.
Further, the power supply line insulating layer of enhanced water resistance includes the raw material components of following weight content: 17% chlorination
Polyethylene, 24% bibasic ethylene propylene rubber, 12% calcium carbonate, 18% talcum powder and 27% magnesia.
Further, the power supply line insulating layer of enhanced water resistance includes the raw material components of following weight content: 15% polychlorostyrene
Ethylene, 26% ethylene propylene diene rubber, 17% calcium carbonate, 18% talcum powder and 22% magnesia.
Further, the power supply line insulating layer of enhanced water resistance includes the raw material components of following weight content: 20.5% chlorine
Change polyethylene, 19.5% POE, 8% calcium carbonate, 15% talcum powder, 20% magnesia and 15% magnesium hydroxide.
To achieve the goals above, according to the second aspect of the technical program, the technical program additionally provides above-mentioned
The preparation method of the power supply line insulating layer of enhanced water resistance.
According to the preparation method of the embodiment of the present application comprising mix in proportion each raw material component, injection molding squeezes out
Power supply line insulating layer is made in molding.
To achieve the goals above, in terms of according to the third of the technical program, the technical program additionally provides above-mentioned
The water resistance rapid detection method of power supply line insulating layer.
According to the detection method of the embodiment of the present application comprising following steps:
Under nitrogen protection, with the temperature of the heating rate boost source line insulating layer of 20 DEG C/min；
In temperature-rise period, the reduced gravity situations of the power supply line insulating layer are tested, draw weight-loss curve；
The power supply line insulating layer is obtained in the initial decomposition temperature and weight loss of each zero-g period according to weight-loss curve；
Judge whether the weight loss for decomposing zero-g period of the initial temperature within the scope of 410-450 DEG C is greater than threshold value, if greatly
In, it is determined that the water resistance of the power supply line insulating layer is met the requirements.
Further, the threshold value is 28%.
The critical material group that the power supply line insulating layer of enhanced water resistance provided herein passes through control power supply line raw material
At, quality problems are solved from source, are effectively prevented power supply line insulation resistance under the conditions of soaked after sale and are declined, resistance to pressure
Drop, the electric wire of initiation are burnt, the technical problems such as on fire.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of water resistance detection method flow chart of power supply line insulating layer provided in an embodiment of the present invention；
Fig. 2 is a kind of weight-loss curve schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "inner", " in ", "outside", the orientation of the instructions such as "front", "rear" or position close
System is to be based on the orientation or positional relationship shown in the drawings.These terms are primarily to better describe the application and its implementation
Example, is not intended to limit indicated device, element or component must have particular orientation, or carries out structure with particular orientation
It makes and operates.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " setting ", " connection ", " fixation " shall be understood in a broad sense.For example, " connection " may be a fixed connection,
It is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, or pass through centre
Medium is indirectly connected, or is two connections internal between device, element or component.For ordinary skill
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Hereinafter, the embodiment suitable to the present invention is described in detail.
1st embodiment: the power supply line insulating layer of enhanced water resistance
Existing power supply line is made of conductor, insulating layer and sheath three parts.In outdoor application, water is possible to carry out
Between sheath and insulating layer, therefore, the water resistance of insulating layer and the high safety of power supply line are related.And influence the resistance to of insulating layer
The principal element of aqueous energy is the material composition of insulating layer.Embodiment of the present invention by product material composition carry out with it is water-fast
It boils performance and carries out correlation research, it is determined that the key components and its proportion of material.
The power supply line insulating layer material that present embodiment provides mainly divides sizing material, filler, plasticizer, several portions such as fire retardant
Point, common sizing material has polyvinyl chloride (PVC), haloflex (CPE), ethylene propylene diene rubber (EPDM), bibasic ethylene propylene rubber
(EPM) and be modified second third (POE) etc., applicants have found that the type and ratio of sizing material are to influence power supply line insulating layer water resistance
Principal element.Size ratio is high, and water resistance is preferable.To be formulated total amount as 100 parts, different every part of sizing material to the resistance to of insulating layer
Aqueous contribution margin is different, specific as follows:
| Sizing material | PVC | CPE | EPDM | EPM | POE |
| Every part of sizing material water resistance contribution margin | 0.3 | 0.5 | 1 | 1 | 1 |
The water resistance obtained, it is necessary to the water-fast contribution margin of sizing material be made to reach 28 or more, preferably 30.It is ground according to above-mentioned
Study carefully as a result, can be concluded that, with power supply line insulating layer raw material components total weight, the content of polyvinyl chloride is a%, chlorination
The content of polyethylene is b%, and the content of ethylene propylene diene rubber is c%, and the content of bibasic ethylene propylene rubber is d%, and the content of POE is
E%, when satisfaction has 0.3a+0.5b+c+d+e >=28, the water resistance of the insulating layer of power supply line is preferable, it is preferred that 0.3a+0.5b+c
+ d+e >=30, water resistance can obtain more preferably effect.
2nd embodiment: the rapid detection method of the water resistance of the power supply line insulating layer of enhanced water resistance
After the completion of the production of power supply line insulating layer, it need to be carried out soaked or boiling test, period to verify its water resistance
It is longer, it is not used to carry out goods quality monitoring.Relevance verification, application are carried out by boiling test and insulating layer thermogravimetric test result
People has found quickly determine the water resistance of material by thermogravimetric test result.Main method is as follows:
Under nitrogen protection, with the temperature of the heating rate boost source line insulating layer of 20 DEG C/min；
In temperature-rise period, the reduced gravity situations of the power supply line insulating layer are tested, draw weight-loss curve；
The power supply line insulating layer is obtained in the initial decomposition temperature and weight loss of each zero-g period according to weight-loss curve；
Judge whether the weight loss for decomposing zero-g period of the initial temperature within the scope of 410-450 DEG C is greater than threshold value, if greatly
In, it is determined that the water resistance of the power supply line insulating layer is met the requirements.
When threshold value is determined as 28%, i.e., when the weight loss is greater than 28%, power supply line insulating layer can meet 60 DEG C of boilings 400
After hour, the electrical insulation capability of power supply line insulating layer still meets national standard.Preferably, when threshold value is determined as 30, water resistance is tested
It is higher to demonstrate,prove reliability.
The application is described in detail below in conjunction with preferably embodiment.
Embodiment 1
A kind of power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 17% chlorination is poly-
Ethylene, 24% bibasic ethylene propylene rubber, 12% calcium carbonate, 18% talcum powder, 27% magnesia and 2% terephthaldehyde
Dioctyl phthalate.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 2
A kind of power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 15% polychlorostyrene second
Alkene, 26% ethylene propylene diene rubber, 17% calcium carbonate, 18% talcum powder, 22% magnesia and 2% tri trimellitate
Monooctyl ester.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 3
A kind of power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 20.5% chlorination
Polyethylene, 19.5% POE, 8% calcium carbonate, 15% talcum powder, 20% magnesia, 15% magnesium hydroxide and 2%
Dioctyl adipate.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 4
A kind of power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 18% polychlorostyrene second
Alkene, 24% ethylene propylene diene rubber, 16% calcium carbonate, 18% talcum powder, 22% magnesia and 2% terephthalic acid (TPA)
Dioctyl ester.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 5
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 15% polyvinyl chloride,
17% ethylene propylene diene rubber, 5% bibasic ethylene propylene rubber, 5% POE, 20% calcium carbonate, 15% talcum powder, 20%
Magnesium hydroxide, 2% dioctyl terephthalate and 1% adipic acid dibutyl ester.Above-mentioned each raw material component is sufficiently mixed
After uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 6
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 22% polyvinyl chloride,
10% ethylene propylene diene rubber, 5% bibasic ethylene propylene rubber, 8% POE, 20% calcium carbonate, 20% talcum powder and 15%
Magnesium hydroxide.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 7
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 22% polyvinyl chloride,
14% ethylene propylene diene rubber, 13% bibasic ethylene propylene rubber, 12% calcium carbonate, 22% talcum powder, 12% magnesia
With 5% adipic acid dibutyl ester.After above-mentioned each raw material component is sufficiently mixed uniformly, it is exhausted that power supply line is made in injection molding extrusion molding
Edge layer.
Embodiment 8
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 22% polyvinyl chloride,
10% bibasic ethylene propylene rubber, 17% POE, 20% calcium carbonate, 14% talcum powder, 12% magnesium hydroxide, 3% oneself
Diacid dibutyl ester and 2% trioctyl trimellitate (TOTM).After above-mentioned each raw material component is sufficiently mixed uniformly, it is molded extrusion molding
Power supply line insulating layer is made.
Embodiment 9
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 16% haloflex,
18% bibasic ethylene propylene rubber, 20% calcium carbonate, 31% talcum powder, 5% magnesia, 5% magnesium hydroxide, 3%
Dioctyl terephthalate, 1% trioctyl trimellitate (TOTM) and 1% adipic acid dibutyl ester.Above-mentioned each raw material component is filled
Divide after mixing, power supply line insulating layer is made in injection molding extrusion molding.
Embodiment 10
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 20% haloflex,
10% ethylene propylene diene rubber, 13% bibasic ethylene propylene rubber, 12% calcium carbonate, 20% talcum powder, 13% magnesia,
8% magnesium hydroxide and 4% dioctyl terephthalate.After above-mentioned each raw material component is sufficiently mixed uniformly, injection molding is squeezed
It forms out and power supply line insulating layer is made.
Embodiment 11
The power supply line insulating layer of enhanced water resistance comprising the raw material components of following weight content: 21% haloflex,
23% POE, 20% calcium carbonate, 20% talcum powder, 5% magnesia, 6% magnesium hydroxide and 5% trimellitic acid
Three monooctyl esters.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Comparative example 1
A kind of power supply line insulating layer comprising the raw material components of following weight content: 17% haloflex, 18%
Ethylene propylene diene rubber, 10% calcium carbonate, 23% talcum powder, 30% magnesia and 2% trioctyl trimellitate (TOTM).It will be upper
After each raw material component stated is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Comparative example 2
A kind of power supply line insulating layer comprising the raw material components of following weight content: 20.5% haloflex,
17.5% POE, 10% calcium carbonate, 15% talcum powder, 20% magnesia, 15% magnesia and 2% adipic acid
Dibutyl ester.After above-mentioned each raw material component is sufficiently mixed uniformly, power supply line insulating layer is made in injection molding extrusion molding.
Test example 1: boiling test
Determine whether the water resistance of power supply line insulating layer is qualified by boiling test, specific test method are as follows: will be real
The power supply line insulating layer for applying a 1-11 and comparative example 1-2 is put into 60 DEG C of water, and boiling 400 hours.Then to the power supply line
Insulating layer is continuously applied 1 minute 500V DC voltage, and whether detection power supply line insulating layer is breakdown；If power supply line insulating layer quilt
Breakdown, it is determined that the insulation performance of the power supply line insulating layer is unsatisfactory for preset requirement, and water resistance is unqualified；If power supply line insulate
Layer does not have breakdown, it is determined that the insulation performance of power supply line insulating layer meets preset requirement, and water resistance is qualified.Logging exists
In table 1.
Test example 2: weight loss detection test
Following processing is done to the power supply line insulating layer of embodiment 1-11 and comparative example 1-2:
Under nitrogen protection, with the temperature of the heating rate boost source line insulating layer of 20 DEG C/min；In temperature-rise period,
The reduced gravity situations of the power supply line insulating layer are tested, weight-loss curve is drawn；The power supply line insulating layer is obtained according to weight-loss curve
In the initial decomposition temperature and weight loss of each zero-g period；Weightless rank of the initial temperature within the scope of 410-450 DEG C is decomposed in judgement
The weight loss of section.Testing result is recorded in table 1.
By table 1 it is found that the embodiment of the present application 1-8,10 and 11 are made up of the critical material of control power supply line raw material,
Solves the technical issues of power supply line insulating layer water resistance difference in the prior art from source.
1 boiling test of table and weight loss detect logging table
Embodiment 12
It can be seen that by 1 data of table when the weight loss that the weightless point of starting is 410 DEG C -450 DEG C corresponding zero-g periods is big
In the case where 28%, the test result of boiling test is illustrated as qualification, and after multiple verification experimental verification, the present embodiment is mentioned
A kind of method for having supplied water resistance that can quickly detect power supply line insulating layer.
As shown, in the present embodiment the water resistance of power supply line insulating layer rapid detection method the following steps are included:
S1. under nitrogen protection, with the temperature of preset heating rate boost source line insulating layer；
Specifically, in the embodiment of the present application, temperature heats up from 35 DEG C according to the heating rate per minute for increasing 20 DEG C, directly
800 DEG C of stoppings are risen to temperature.
S2. in temperature-rise period, the reduced gravity situations of power supply line insulating layer are tested, form weight-loss curve；
Specifically, in the embodiment of the present application, measuring the quality of power supply line insulating layer at different temperature, obtaining power supply
The reduced gravity situations of line insulating layer, and according to the variation relation of reduced gravity situations and temperature, draw weight-loss curve.
S3. the power supply line insulating layer is obtained in the initial decomposition temperature and weightlessness of each zero-g period according to weight-loss curve
Amount；
Specifically, by taking Fig. 2 as an example, altogether there are four the zero-g period, the starting weightless temperature of each zero-g period and corresponding
Weight loss is respectively as follows:
The starting weightless temperature of first zero-g period is 265 DEG C, and corresponding weight loss is 10.82%；
The starting weightless temperature of second zero-g period is 448.9 DEG C, and corresponding weight loss is 23.60%；
The starting weightless temperature of third zero-g period is 553.9 DEG C, and corresponding weight loss is 6.65%；4th zero-g period
Starting weightless temperature be 670.7 DEG C, corresponding weight loss be 13.27%.
S4. judge whether the weight loss for decomposing zero-g period of the initial temperature in preset temperature range is greater than threshold value, if
It is greater than, it is determined that the water resistance of the power supply line insulating layer is met the requirements；
If the weight loss of zero-g period when decomposing initial temperature in preset temperature range is not more than threshold value, to described
Power supply line insulating layer carries out boiling test or long-term soaked simulation；
After boiling test or long-term soaked simulation, the insulation performance of the power supply line insulating layer is detected；
If the insulation performance of the power supply line insulating layer can satisfy preset requirement, it is determined that the power supply line insulating layer
Water resistance is met the requirements；
If it is impossible to meet preset requirements for the insulation performance of the power supply line insulating layer, it is determined that the power supply line insulating layer
Water resistance be unsatisfactory for requiring.
Specifically, in the embodiment of the present application, the boiling test includes:
The power supply line insulating layer is put into 60 DEG C of water, boiling 400 hours.
Specifically, in the embodiment of the present application, the insulation performance of the power supply line insulating layer is detected by following methods:
1 minute 500V DC voltage is continuously applied to the power supply line insulating layer；
Whether breakdown detect the power supply line insulating layer；
If the power supply line insulating layer is breakdown, it is determined that the insulation performance of the power supply line insulating layer is unsatisfactory for default want
It asks；
If the power supply line insulating layer does not have breakdown, it is determined that the insulation performance of the power supply line insulating layer meets default want
It asks.
Specifically, in the embodiment of the present application, the preset temperature range are as follows: between 410 DEG C and 450 DEG C, the threshold value
It is 28%, preferably 30%, more accurate test result can be obtained.
Second zero-g period as shown in Figure 2, the starting weightless temperature of the second zero-g period is 448.9 DEG C, corresponding
Weight loss is 23.60%, and 23.60% less than 28%, so needing to carry out power supply line insulating layer boiling test or long-term soaked
The water resistance of power supply line insulating layer can be just determined after simulation.
Compared with prior art, a kind of water resistance detection method for power supply line insulating layer that the embodiment of the present invention proposes, passes through
The reduced gravity situations of power supply line insulating layer at different temperatures are detected, weight-loss curve is obtained, determines that power supply line is exhausted according to weight-loss curve
Initial decomposition temperature and weight loss of the edge layer in each zero-g period, lead to when initial decomposition temperature within a preset range when weightlessness
Amount determines that the water resistance of power supply line insulating layer is qualified when being greater than threshold value, can quickly determine power supply line insulating layer by the above method
Water resistance, detection cycle is short, high-efficient.
Section Example is described in a progressive manner in this specification, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and applied principle and features of novelty phase one herein
The widest scope of cause.
Claims (11)
1. a kind of power supply line insulating layer of enhanced water resistance, raw material components include sizing material, filler, plasticizer and fire retardant,
Be characterized in that, the sizing material include in polyvinyl chloride, haloflex, ethylene propylene diene rubber, bibasic ethylene propylene rubber and POE extremely
Few one kind, with power supply line insulating layer raw material components total weight, the content of polyvinyl chloride is a%, and the content of haloflex is
B%, the content of ethylene propylene diene rubber are c%, and the content of bibasic ethylene propylene rubber is d%, and the content of POE is e%, and satisfaction has:
0.3a+0.5b+c+d+e≥28。
2. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that 0.3a+0.5b+c+d+e >=
30。
3. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that the filler includes carbonic acid
At least one of calcium and talcum powder.
4. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that the fire retardant includes carbonic acid
At least one of calcium and talcum powder.
5. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that the plasticizer includes to benzene
At least one of diformazan dioctyl phthalate, trioctyl trimellitate (TOTM) and adipic acid dibutyl ester.
6. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that including following weight content
Raw material components: the polyvinyl chloride of 15%-22%, the mixing of the ethylene propylene diene rubber, bibasic ethylene propylene rubber and POE of 23%-27%
Object, the calcium carbonate of 12%-20%, the mixture of the talcum powder of 25%-35%, magnesia and magnesium hydroxide, 0-5% to benzene two
The mixture of formic acid dioctyl ester, trioctyl trimellitate (TOTM) and adipic acid dibutyl ester.
7. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that including following weight content
Raw material components: the haloflex of 16%-20%, the ethylene propylene diene rubber of 18%-23%, bibasic ethylene propylene rubber and POE it is mixed
Close object, the calcium carbonate of 12%-20%, the mixture of the talcum powder of 31%-41%, magnesia and magnesium hydroxide, 0-5% to benzene
The mixture of diformazan dioctyl phthalate, trioctyl trimellitate (TOTM) and adipic acid dibutyl ester.
8. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that including following weight content
Raw material components: 17% haloflex, 24% bibasic ethylene propylene rubber, 12% calcium carbonate, 18% talcum powder and 27%
Magnesia.
9. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that including following weight content
Raw material components: 15% polyvinyl chloride, 26% ethylene propylene diene rubber, 17% calcium carbonate, 18% talcum powder and 22%
Magnesia.
10. the power supply line insulating layer of enhanced water resistance according to claim 1, which is characterized in that including following weight content
Raw material components: 20.5% haloflex, 19.5% POE, 8% calcium carbonate, 15% talcum powder, 20% oxidation
Magnesium and 15% magnesium hydroxide.
11. the preparation method of the power supply line insulating layer such as the described in any item enhanced water resistances of claim 1-10, which is characterized in that
Each raw material component is mixed in proportion, extrusion molding is molded, power supply line insulating layer is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012978.2A CN109824986B (en) | 2019-01-07 | 2019-01-07 | Power line insulating layer with high water resistance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012978.2A CN109824986B (en) | 2019-01-07 | 2019-01-07 | Power line insulating layer with high water resistance and preparation method thereof |
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| CN109824986A true CN109824986A (en) | 2019-05-31 |
| CN109824986B CN109824986B (en) | 2022-06-14 |
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