CN109251394A - A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property - Google Patents
A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property Download PDFInfo
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- CN109251394A CN109251394A CN201810951801.4A CN201810951801A CN109251394A CN 109251394 A CN109251394 A CN 109251394A CN 201810951801 A CN201810951801 A CN 201810951801A CN 109251394 A CN109251394 A CN 109251394A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- 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
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- 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)
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Abstract
The invention discloses the good cable sheath material and preparation method thereof of a kind of flame retardant property and tensile property, the raw material including following parts by weight: 42-53 parts of low density polyethylene (LDPE), 7.3-10.6 parts of plant amylum, 7-11.6 parts of tar, 12.5-17.2 parts of slag, 2.2-3.7 parts of coupling agent, 23.5-26.4 parts of nylon, 9.6-14.7 parts of phenolic resin, 5-8.4 parts of guar gum, 3.7-5.4 parts of composite flame-retardant agent and 10-14.6 parts of lycopod.Raw material sources of the present invention are extensive, and by the mutual synergistic effect of various raw materials, the finished product of preparation not only has good tensile strength and elongation at break, also have the flame retardant property better than existing sheath material, have good social benefit.
Description
Technical field
The present invention relates to power domain, specifically a kind of flame retardant property and the good cable sheath material of tensile property.
Background technique
Electric power is people's production, the main energy sources in living and studying, and electric power is to convey by cable from power station
Everywhither, cable is usually by several or several groups of conducting wires and external insulating protective layer are made, and electric power or information are passed from one
The defeated conducting wire to another place, cable are used primarily in hair, match, is defeated, becoming, the forceful electric power electric energy transmission in power supply line, by electric current
(dozens of Ann to several kilo-amperes), voltage height (220V to 500kV or more) greatly.
In order to guarantee the normal use of cable, cable can all be cased with cable cover(ing) when in use, and wire and cable protects at present
What cover material was widely used is high-density polyethylene material, and this material has the characteristics that intensity height, rigid good toughness, but electric
Cable sheath also needs anti-flammability with higher, causes the safety accidents such as fire to prevent short circuit etc..People are also using addition
The mode of other additives improves the flame retardant property of cable cover(ing), and although the finished product flame retardant effect of preparation increases, still
Intensity can be reduced, and the expection of people is not achieved in flame retardant effect.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide the good cable sheath material of a kind of flame retardant property and tensile property
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of flame retardant property and the good cable sheath material of tensile property, the raw material including following parts by weight: low-density is poly-
42-53 parts of ethylene, 7.3-10.6 parts of plant amylum, 7-11.6 parts of tar, 12.5-17.2 parts of slag, 2.2-3.7 parts of coupling agent,
23.5-26.4 parts of nylon, 9.6-14.7 parts of phenolic resin, 5-8.4 parts of guar gum, 3.7-5.4 parts of composite flame-retardant agent and lycopod
10-14.6 parts.
As a further solution of the present invention: plant amylum includes that green starch, cornstarch, potato starch and sugarcane are formed sediment
At least two in powder, composite flame-retardant agent includes at least three in aluminium hydroxide, magnesium hydroxide, antimony oxide and expanded graphite
Kind.
As a further solution of the present invention: the partial size of slag is 0.35-0.8mm.
The preparation method of the flame retardant property and the good cable sheath material of tensile property, the specific steps are as follows:
Lycopod is cleaned up and is crushed to 50-80 mesh by step 1, its weight is added in the lycopod powder of half
Then tunning is 55- in 9-13 times of its weight of mass fraction by the lactic acid bacteria of 0.005-0.01% and sealing and fermenting
It is extracted 2-3 times in 70% ethanol solution, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is standby
With；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution be 6.2-6.7 in pH value and temperature is that 62-75 takes the photograph
Mechanical stirring 80-135 minutes in the environment of family name's degree, the first mixture is obtained；
Slag and lycopod powder are added in the ethyl alcohol of 3-5 times of its weight and sonic oscillation are uniform, then exist by step 3
It is handled 3-6 minutes in electric field, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, then to
The second mixture is wherein added and reaction 8-12 is small in the reaction kettle that pH value is 5.1-6.4 and temperature is 65-75 degrees Celsius
When, obtain third mixture；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing,
Then extruding pelletization is added twin-screw extrude, finished product is obtained.
As a further solution of the present invention: electric field strength is 80-140V in step 3.
As a further solution of the present invention: the ratio of grinding media to material of ball milling is 64-78:1 in step 4, and the temperature of ball milling is 40-
50 degrees Celsius.
As a further solution of the present invention: the screw speed of double screw extruder is 480-660rpm in step 5, high
The mixing velocity of mixed machine is 2250-2400rpm.
Compared with prior art, the beneficial effects of the present invention are: raw material sources of the present invention are extensive, pass through the phase of various raw materials
Mutually synergistic effect, the finished product of preparation not only have good tensile strength and elongation at break, also have and be better than existing sheath material
The flame retardant property of material has good social benefit.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of flame retardant property and the good cable sheath material of tensile property, the raw material including following parts by weight: low-density is poly-
42 parts of ethylene, 7.3 parts of plant amylum, 7 parts of tar, 12.5 parts of slag, 2.2 parts of coupling agent, 23.5 parts of nylon, phenolic resin 9.6
Part, 5 parts of guar gum, 3.7 parts of composite flame-retardant agent and 10 parts of lycopod.Plant amylum includes green starch, potato starch and sugarcane
The mixture of starch, composite flame-retardant agent include the mixture of magnesium hydroxide, antimony oxide and expanded graphite.
The preparation method of the flame retardant property and the good cable sheath material of tensile property, the specific steps are as follows:
Lycopod is cleaned up and is crushed to 60 mesh by step 1, its weight 0.007% is added in the lycopod powder of half
Lactic acid bacteria and sealing and fermenting, then by tunning 11 times of its weight mass fraction be 62% ethanol solution in mention
It takes 2 times, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is spare；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution in the ring that pH value is 6.5 and temperature is 68 degrees Celsius
Mechanical stirring 108 minutes under border, obtain the first mixture；
Slag and lycopod powder are added in the ethyl alcohol of 4 times of its weight and sonic oscillation are uniform, then exist by step 3
It is handled 5 minutes in the electric field of 120V, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, then to
The second mixture is wherein added and is reacted 11 hours in the reaction kettle that pH value is 5.7 and temperature is 69 degrees Celsius, obtains
Three mixtures；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing,
Then extruding pelletization is added twin-screw extrude, finished product is obtained.
Embodiment 2
A kind of flame retardant property and the good cable sheath material of tensile property, the raw material including following parts by weight: low-density is poly-
46.8 parts of ethylene, 8.6 parts of plant amylum, 9.2 parts of tar, 14.7 parts of slag, 2.6 parts of coupling agent, 24.4 parts of nylon, phenolic resin
11.5 parts, 6.6 parts of guar gum, 4.3 parts of composite flame-retardant agent and 12.1 parts of lycopod.The partial size of slag is 0.48mm.
The preparation method of the flame retardant property and the good cable sheath material of tensile property, the specific steps are as follows:
Lycopod is cleaned up and is crushed to 50 mesh by step 1, its weight 0.005% is added in the lycopod powder of half
Lactic acid bacteria and sealing and fermenting, then by tunning 12 times of its weight mass fraction be 70% ethanol solution in mention
It takes 2 times, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is spare；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution in the ring that pH value is 6.5 and temperature is 73 degrees Celsius
Mechanical stirring 120 minutes under border, obtain the first mixture；
Slag and lycopod powder are added in the ethyl alcohol of 4 times of its weight and sonic oscillation are uniform, then in electricity by step 3
It is handled 5 minutes in, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, ball milling
Ratio of grinding media to material be 72:1, the temperature of ball milling is 46 degrees Celsius, then the second mixture is added thereto and is 5.6 and temperature in pH value
Degree obtains third mixture to react 9 hours in 70 degrees Celsius of reaction kettle；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing,
Then extruding pelletization is added twin-screw extrude, finished product is obtained.
Embodiment 3
A kind of flame retardant property and the good cable sheath material of tensile property, the raw material including following parts by weight: low-density is poly-
50.8 parts of ethylene, 10.2 parts of plant amylum, 10.8 parts of tar, 16.7 parts of slag, 3.5 parts of coupling agent, 25.7 parts of nylon, phenolic aldehyde tree
13.3 parts of rouge, 7.9 parts of guar gum, 5.1 parts of composite flame-retardant agent and 13.8 parts of lycopod.Plant amylum includes green starch and potato
The mixture of starch, composite flame-retardant agent include the mixture of aluminium hydroxide, magnesium hydroxide and expanded graphite.The partial size of slag is
0.62mm。
The preparation method of the flame retardant property and the good cable sheath material of tensile property, the specific steps are as follows:
Lycopod is cleaned up and is crushed to 80 mesh by step 1, its weight 0.008% is added in the lycopod powder of half
Lactic acid bacteria and sealing and fermenting, then by tunning 10 times of its weight mass fraction be 66% ethanol solution in mention
It takes 3 times, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is spare；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution in the ring that pH value is 6.5 and temperature is 74 degrees Celsius
Mechanical stirring 116 minutes under border, obtain the first mixture；
Slag and lycopod powder are added in the ethyl alcohol of 3 times of its weight and sonic oscillation are uniform, then in electricity by step 3
It is handled 4 minutes in, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, then to
The second mixture is wherein added and is reacted 10 hours in the reaction kettle that pH value is 6.3 and temperature is 70 degrees Celsius, obtains
Three mixtures；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing,
Then extruding pelletization is added twin-screw extrude, the screw speed of double screw extruder is 540rpm, the mixing speed of high mixer
Degree is 2340rpm, obtains finished product.
Embodiment 4
A kind of flame retardant property and the good cable sheath material of tensile property, the raw material including following parts by weight: low-density is poly-
53 parts of ethylene, 10.6 parts of plant amylum, 11.6 parts of tar, 17.2 parts of slag, 3.7 parts of coupling agent, 26.4 parts of nylon, phenolic resin
14.7 parts, 8.4 parts of guar gum, 5.4 parts of composite flame-retardant agent and 14.6 parts of lycopod.Plant amylum includes green starch, corn shallow lake
The mixture of powder, potato starch and sugarcane starch, composite flame-retardant agent include aluminium hydroxide, magnesium hydroxide, antimony oxide and swollen
The mixture of swollen graphite.The partial size of slag is 0.44mm.
The preparation method of the flame retardant property and the good cable sheath material of tensile property, the specific steps are as follows:
Lycopod is cleaned up and is crushed to 70 mesh by step 1, its weight 0.01% is added in the lycopod powder of half
Lactic acid bacteria and sealing and fermenting, then by tunning 12 times of its weight mass fraction be 58% ethanol solution in mention
It takes 2 times, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is spare；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution in the ring that pH value is 6.5 and temperature is 73 degrees Celsius
Mechanical stirring 110 minutes under border, obtain the first mixture；
Slag and lycopod powder are added in the ethyl alcohol of 4 times of its weight and sonic oscillation are uniform, then exist by step 3
It is handled 5 minutes in the electric field of 130V, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, ball milling
Ratio of grinding media to material be 72:1, the temperature of ball milling is 46 degrees Celsius, then the second mixture is added thereto and is 5.6 and temperature in pH value
Degree obtains third mixture to react 11 hours in 68 degrees Celsius of reaction kettle；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing,
Then extruding pelletization is added twin-screw extrude, the screw speed of double screw extruder is 570rpm, the mixing speed of high mixer
Degree is 2400rpm, obtains finished product.
Comparative example 1
Except lycopod and tar is not contained, remaining raw material and preparation method are same as Example 3.
Comparative example 2
Using existing cable sheath as a comparison case 2.
The product of product and comparative example 1-2 to embodiment 1-4 is tested for the property, and Mechanics Performance Testing is according to GB/
T1040.1-2006 is carried out, and oxygen index (OI) test is carried out according to GB/T2406-1993, and flame retardant rating is carried out according to GB12666.5, is surveyed
Test result is shown in Table 1.
Table 1
| Tensile strength/MPa | Elongation at break/% | Oxygen index (OI)/% | Flame retardant rating | |
| Embodiment 1 | 40.6 | 658 | 39 | A |
| Embodiment 2 | 39.4 | 625 | 42 | A |
| Embodiment 3 | 42.3 | 673 | 46 | A |
| Embodiment 4 | 38.9 | 632 | 40 | A |
| Comparative example 1 | 35.1 | 517 | 27 | B |
| Comparative example 2 | 33.4 | 534 | 33 | B |
From table 1 it follows that the product of embodiment 1-4 is above on tensile strength, elongation at break and oxygen index (OI)
The product of comparative example 1-2, the product of embodiment 1-4 are superior to the product of comparative example 1-2 in flame retardant property.
The present invention extracts lycopod to obtain lycopod extracting solution, and low density polyethylene (LDPE) and tar are utilized stone in acid condition
Loose extracting solution is modified, then different surplus stocks is reacted to each other, is mutually cooperateed with, then adds coupling agent and composite flame-retardant agent
And it is kneaded, so that finished product has good flame retardant property, high tensile and high elongation at tear.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of flame retardant property and the good cable sheath material of tensile property, which is characterized in that the raw material including following parts by weight:
42-53 parts of low density polyethylene (LDPE), 7.3-10.6 parts of plant amylum, 7-11.6 parts of tar, 12.5-17.2 parts of slag, coupling agent
2.2-3.7 parts, 23.5-26.4 parts of nylon, 9.6-14.7 parts of phenolic resin, 5-8.4 parts of guar gum, composite flame-retardant agent 3.7-
5.4 part and 10-14.6 parts of lycopod.
2. flame retardant property according to claim 1 and the good cable sheath material of tensile property, which is characterized in that the plant
Object starch includes at least two in green starch, cornstarch, potato starch and sugarcane starch, and composite flame-retardant agent includes hydrogen-oxygen
Change at least three kinds in aluminium, magnesium hydroxide, antimony oxide and expanded graphite.
3. flame retardant property according to claim 1 and the good cable sheath material of tensile property, which is characterized in that the mine
The partial size of slag is 0.35-0.8mm.
4. the preparation side of a kind of flame retardant property a method according to any one of claims 1-3 and the good cable sheath material of tensile property
Method, which is characterized in that specific step is as follows:
Lycopod is cleaned up and is crushed to 50-80 mesh by step 1, its weight 0.005- is added in the lycopod powder of half
Then tunning is 55-70%'s in 9-13 times of its weight of mass fraction by 0.01% lactic acid bacteria and sealing and fermenting
It is extracted 2-3 times in ethanol solution, filtering and combined extract obtain lycopod extracting solution, the other half lycopod powder is spare；
Step 2, by low density polyethylene (LDPE), tar and lycopod extracting solution be 6.2-6.7 in pH value and temperature is 62-75 degrees Celsius
In the environment of mechanical stirring 80-135 minutes, obtain the first mixture；
Slag and lycopod powder are added in the ethyl alcohol of 3-5 times of its weight and sonic oscillation are uniform, then in electric field by step 3
Middle processing 3-6 minutes, obtains the second mixture；
Plant amylum is gelatinized by step 4, by gelatinized starch, nylon, phenolic resin and guar gum ball milling, then thereto
The second mixture is added and is reacted 8-12 hours in the reaction kettle that pH value is 5.1-6.4 and temperature is 65-75 degrees Celsius, obtains
To third mixture；
Step 5, the first mixture, third mixture, coupling agent and composite flame-retardant agent is uniform in high-speed mixer and mixing, then
Extruding pelletization is added twin-screw extrude, finished product is obtained.
5. the preparation method of flame retardant property according to claim 4 and the good cable sheath material of tensile property, feature
It is, electric field strength is 80-140V in the step 3.
6. the preparation method of flame retardant property according to claim 4 and the good cable sheath material of tensile property, feature
It is, the ratio of grinding media to material of ball milling is 64-78:1 in the step 4, and the temperature of ball milling is 40-50 degrees Celsius.
7. the preparation method of flame retardant property according to claim 4 and the good cable sheath material of tensile property, feature
It is, the screw speed of double screw extruder is 480-660rpm in the step 5, and the mixing velocity of high mixer is 2250-
2400rpm。
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| CN201810951801.4A CN109251394A (en) | 2018-08-21 | 2018-08-21 | A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property |
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| CN201810951801.4A CN109251394A (en) | 2018-08-21 | 2018-08-21 | A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property |
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Application publication date: 20190122 |