CN109627555A - A kind of potent high temperature-resistant cable sheath and preparation method thereof - Google Patents
A kind of potent high temperature-resistant cable sheath and preparation method thereof Download PDFInfo
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- CN109627555A CN109627555A CN201811586852.8A CN201811586852A CN109627555A CN 109627555 A CN109627555 A CN 109627555A CN 201811586852 A CN201811586852 A CN 201811586852A CN 109627555 A CN109627555 A CN 109627555A
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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Abstract
The present invention provides a kind of potent high temperature-resistant cable sheath and preparation method thereof, is related to cable cover(ing) production technical field.The cable cover(ing) is made of raw material from the following weight: 55-65 parts of polyethylene, 35-45 parts of epoxy resin, 12-16 parts of quartz sand, 12-16 parts of clay, 6-10 parts of boron carbide, 6-10 parts of zinc borate, 6-10 parts of alumina silicate, 6-10 parts of antimony oxide, 2-4 parts of crosslinking agent, 2-4 parts of anti-aging agent, 2-4 parts of antiscorching agent, 1-2 parts of curing agent, 1-2 parts of dispersing agent.The present invention overcomes the deficiencies in the prior art, effectively improve the high temperature resistance of cable cover(ing), prevent the higher cable cover(ing) of ambient temperature is heated from melting, to which the accidents such as electric leakage occur, it is highly-safe, cable cover(ing) obtained has the characteristics that associativity is strong, anti-aging and easy solidification simultaneously, and superior performance is suitable for popularization.
Description
Technical field
The present invention relates to cable cover(ing) production technical fields, and in particular to a kind of potent high temperature-resistant cable sheath and its preparation
Method.
Background technique
Cable cover(ing) belongs to the outermost layer of cable.Cable is usually made of three parts, cable core material, insulating sheath and electricity
Cable sheath, the external of cable core material coat insulating sheath, and the outside of one or more strands of insulating sheaths coats cable cover(ing) again.Insulation
Sheath and cable cover(ing) mutual cooperation play important protective effect to cable core material.
The formula composition and production technology of cable cover(ing) are unreasonable at present, cause the high temperature resistance of cable cover(ing) poor.
When ambient temperature is higher, cable cover(ing) be easy it is heated melt, cable cover(ing) breakage the cable of its inside can not then be continued into
Row protection, is then easy to happen the accidents such as electric leakage, risk is big, brings biggish trouble to staff.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of potent high temperature-resistant cable sheath and preparation method thereof, the present invention
Overcome the deficiencies in the prior art, effectively improve the high temperature resistance of cable cover(ing), prevent the higher cable cover(ing) of ambient temperature by
Heat is melted, so that the accidents such as electric leakage occur, it is highly-safe, and while cable cover(ing) obtained has associativity strong, anti-aging and easy
The characteristics of solidification, superior performance are suitable for promoting.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of potent high temperature-resistant cable sheath, the cable cover(ing) are made of raw material from the following weight: polyethylene 55-65
Part, 35-45 parts of epoxy resin, 12-16 parts of quartz sand, 12-16 parts of clay, 6-10 parts of boron carbide, 6-10 parts of zinc borate, alumina silicate
6-10 parts, 6-10 parts of antimony oxide, 2-4 parts of crosslinking agent, 2-4 parts of anti-aging agent, 2-4 parts of antiscorching agent, 1-2 parts of curing agent, dispersing agent 1-2
Part.
Preferably, the cable cover(ing) is made of raw material from the following weight: 60 parts of polyethylene, 40 parts of epoxy resin, stone
14 parts of sand, 14 parts of clay, 8 parts of boron carbide, 8 parts of zinc borate, 8 parts of alumina silicate, 8 parts of antimony oxide, 3 parts of crosslinking agent, anti-aging agent 3
Part, 3 parts of antiscorching agent, 1.5 parts of curing agent, 1.5 parts of dispersing agent.
Preferably, the crosslinking agent is contracted by N, N- methylene-bisacrylamide, methylene diacrylamide, 1,4-butanediol two
Water glycerin ether is mixed with mass ratio for 4:1:3.
Preferably, the anti-aging agent is 7:4:5 with mass ratio by antioxidant 2246, antioxidant HS-911 and antioxidant 4010
It mixes.
Preferably, the antiscorching agent is vulcanized phthalimide and N- nitrosoaniline by N- cyclohexyl and is mixed with mass ratio for 3:2
It closes.
Preferably, the curing agent is mixed by aluminum phosphate, fatty amine and acid anhydrides with mass ratio for 5:2:1.
Preferably, the dispersing agent by triethyl group hexyl phosphoric acid, polyvinylpyrrolidone and soap base salt with mass ratio be 3:
5:6 is mixed.
A kind of preparation method of potent high temperature-resistant cable sheath, the preparation method of the cable cover(ing) the following steps are included:
(1) polyethylene, epoxy resin, crosslinking agent and anti-aging agent are added in high speed disperser, are warming up to 100-110 DEG C,
And high speed dispersion, heat preservation dispersion 2-4h are carried out with the speed of 600-800r/min；
(2) clay of the quartz sand and 1/2 amount that take 1/2 amount of formula is added in grinder, adds boron carbide and zinc borate
Mixed grinding is carried out, after being ground to 600 meshes, powder is mixed and is added in preheating cabinet, be warming up to 60-70 DEG C, it is rear to keep the temperature
The mixed-powder after preheating is added in the high speed disperser in above-mentioned steps (1) again by 1-2h, continues to disperse 1-2h；
(3) it takes remaining quartz sand and clay to be added in grinder, adds zinc borate and alumina silicate carries out mixing grinding,
It after being ground to 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, the rear 1-2h that keeps the temperature again will be after preheating
Mixed-powder be added above-mentioned steps (2) in high speed disperser in, continue disperse 1-2h；
(4) mixture of antiscorching agent, curing agent and dispersing agent is added in the high speed disperser in above-mentioned steps (3), protects
Temperature dispersion 2-3h, after high speed disperser is evacuated to 20-40KPa, resulting material is squeezed into after pressure maintaining deaeration 20-30min crowded
Out in machine, in 140-160 DEG C of at a temperature of extrusion molding, rear cooled to room temperature obtains product.
The present invention provides a kind of potent high temperature-resistant cable sheath and preparation method thereof, and advantage is compared with prior art:
(1) present invention successively added into cable cover(ing) raw material by quartz sand, clay, boron carbide, zinc borate, alumina silicate and
Two kinds of auxiliary materials made of the materials such as antimony oxide, can effectively improve the high temperature resistance of cable cover(ing), prevent the higher electricity of ambient temperature
Cable sheath is heated to be melted, highly-safe so that the accidents such as electric leakage occur, wherein boron carbide and zinc borate, alumina silicate and antimony oxide
It cooperates respectively and effectively increases the thermal stability of cable cover(ing), superior performance；
(2) present invention is added with crosslinking agent, anti-aging agent, antiscorching agent, curing agent and dispersing agent in sheath raw material, makes to be made
Cable cover(ing) have the characteristics that strong associativity, anti-aging, high temperature resistant, easily solidification, each component is uniformly dispersed, and passes through decompression
The mode of deaeration effectively eliminates the bubble in cable raw material, so that cable cover(ing) obtained is coupled fine and close pore-free, it is suitable for promoting.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of potent high temperature-resistant cable sheath, the cable cover(ing) are made of raw material from the following weight: 55 parts of polyethylene,
35 parts of epoxy resin, 12 parts of quartz sand, 12 parts of clay, 6 parts of boron carbide, 6 parts of zinc borate, 6 parts of alumina silicate, 6 parts of antimony oxide, crosslinking
2 parts of agent, 2 parts of anti-aging agent, 2 parts of antiscorching agent, 1 part of curing agent, 1 part of dispersing agent.
Wherein, the crosslinking agent is shunk by N, N- methylene-bisacrylamide, methylene diacrylamide, 1,4-butanediol two
Glycerin ether is mixed with mass ratio for 4:1:3；The anti-aging agent is by antioxidant 2246, antioxidant HS-911 and antioxidant 4010
It is mixed with mass ratio for 7:4:5；The antiscorching agent vulcanizes phthalimide and N- nitrosoaniline by N- cyclohexyl with quality
Than being mixed for 3:2；The curing agent is mixed by aluminum phosphate, fatty amine and acid anhydrides with mass ratio for 5:2:1；Described point
Powder is mixed by triethyl group hexyl phosphoric acid, polyvinylpyrrolidone and soap base salt with mass ratio for 3:5:6.
The preparation method of the cable cover(ing) the following steps are included:
(1) polyethylene, epoxy resin, crosslinking agent and anti-aging agent are added in high speed disperser, are warming up to 100-110 DEG C,
And high speed dispersion, heat preservation dispersion 2-4h are carried out with the speed of 600-800r/min；
(2) clay of the quartz sand and 1/2 amount that take 1/2 amount of formula is added in grinder, adds boron carbide and zinc borate
Mixed grinding is carried out, after being ground to 600 meshes, powder is mixed and is added in preheating cabinet, be warming up to 60-70 DEG C, it is rear to keep the temperature
The mixed-powder after preheating is added in the high speed disperser in above-mentioned steps (1) again by 1-2h, continues to disperse 1-2h；
(3) it takes remaining quartz sand and clay to be added in grinder, adds zinc borate and alumina silicate carries out mixing grinding,
It after being ground to 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, the rear 1-2h that keeps the temperature again will be after preheating
Mixed-powder be added above-mentioned steps (2) in high speed disperser in, continue disperse 1-2h；
(4) mixture of antiscorching agent, curing agent and dispersing agent is added in the high speed disperser in above-mentioned steps (3), protects
Temperature dispersion 2-3h, after high speed disperser is evacuated to 20-40KPa, resulting material is squeezed into after pressure maintaining deaeration 20-30min crowded
Out in machine, in 140-160 DEG C of at a temperature of extrusion molding, rear cooled to room temperature obtains product.
Embodiment 2:
A kind of potent high temperature-resistant cable sheath, the cable cover(ing) are made of raw material from the following weight: 60 parts of polyethylene,
40 parts of epoxy resin, 14 parts of quartz sand, 14 parts of clay, 8 parts of boron carbide, 8 parts of zinc borate, 8 parts of alumina silicate, 8 parts of antimony oxide, crosslinking
3 parts of agent, 3 parts of anti-aging agent, 3 parts of antiscorching agent, 1.5 parts of curing agent, 1.5 parts of dispersing agent.
Wherein, the crosslinking agent is shunk by N, N- methylene-bisacrylamide, methylene diacrylamide, 1,4-butanediol two
Glycerin ether is mixed with mass ratio for 4:1:3；The anti-aging agent is by antioxidant 2246, antioxidant HS-911 and antioxidant 4010
It is mixed with mass ratio for 7:4:5；The antiscorching agent vulcanizes phthalimide and N- nitrosoaniline by N- cyclohexyl with quality
Than being mixed for 3:2；The curing agent is mixed by aluminum phosphate, fatty amine and acid anhydrides with mass ratio for 5:2:1；Described point
Powder is mixed by triethyl group hexyl phosphoric acid, polyvinylpyrrolidone and soap base salt with mass ratio for 3:5:6.
The preparation method of the cable cover(ing) the following steps are included:
(1) polyethylene, epoxy resin, crosslinking agent and anti-aging agent are added in high speed disperser, are warming up to 100-110 DEG C,
And high speed dispersion, heat preservation dispersion 2-4h are carried out with the speed of 600-800r/min；
(2) clay of the quartz sand and 1/2 amount that take 1/2 amount of formula is added in grinder, adds boron carbide and zinc borate
Mixed grinding is carried out, after being ground to 600 meshes, powder is mixed and is added in preheating cabinet, be warming up to 60-70 DEG C, it is rear to keep the temperature
The mixed-powder after preheating is added in the high speed disperser in above-mentioned steps (1) again by 1-2h, continues to disperse 1-2h；
(3) it takes remaining quartz sand and clay to be added in grinder, adds zinc borate and alumina silicate carries out mixing grinding,
It after being ground to 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, the rear 1-2h that keeps the temperature again will be after preheating
Mixed-powder be added above-mentioned steps (2) in high speed disperser in, continue disperse 1-2h；
(4) mixture of antiscorching agent, curing agent and dispersing agent is added in the high speed disperser in above-mentioned steps (3), protects
Temperature dispersion 2-3h, after high speed disperser is evacuated to 20-40KPa, resulting material is squeezed into after pressure maintaining deaeration 20-30min crowded
Out in machine, in 140-160 DEG C of at a temperature of extrusion molding, rear cooled to room temperature obtains product.
Embodiment 3:
A kind of potent high temperature-resistant cable sheath, the cable cover(ing) are made of raw material from the following weight: 65 parts of polyethylene,
45 parts of epoxy resin, 16 parts of quartz sand, 16 parts of clay, 10 parts of boron carbide, 10 parts of zinc borate, 10 parts of alumina silicate, 10 parts of antimony oxide,
4 parts of crosslinking agent, 4 parts of anti-aging agent, 4 parts of antiscorching agent, 2 parts of curing agent, 2 parts of dispersing agent.
Wherein, the crosslinking agent is shunk by N, N- methylene-bisacrylamide, methylene diacrylamide, 1,4-butanediol two
Glycerin ether is mixed with mass ratio for 4:1:3；The anti-aging agent is by antioxidant 2246, antioxidant HS-911 and antioxidant 4010
It is mixed with mass ratio for 7:4:5；The antiscorching agent vulcanizes phthalimide and N- nitrosoaniline by N- cyclohexyl with quality
Than being mixed for 3:2；The curing agent is mixed by aluminum phosphate, fatty amine and acid anhydrides with mass ratio for 5:2:1；Described point
Powder is mixed by triethyl group hexyl phosphoric acid, polyvinylpyrrolidone and soap base salt with mass ratio for 3:5:6.
The preparation method of the cable cover(ing) the following steps are included:
(1) polyethylene, epoxy resin, crosslinking agent and anti-aging agent are added in high speed disperser, are warming up to 100-110 DEG C,
And high speed dispersion, heat preservation dispersion 2-4h are carried out with the speed of 600-800r/min；
(2) clay of the quartz sand and 1/2 amount that take 1/2 amount of formula is added in grinder, adds boron carbide and zinc borate
Mixed grinding is carried out, after being ground to 600 meshes, powder is mixed and is added in preheating cabinet, be warming up to 60-70 DEG C, it is rear to keep the temperature
The mixed-powder after preheating is added in the high speed disperser in above-mentioned steps (1) again by 1-2h, continues to disperse 1-2h；
(3) it takes remaining quartz sand and clay to be added in grinder, adds zinc borate and alumina silicate carries out mixing grinding,
It after being ground to 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, the rear 1-2h that keeps the temperature again will be after preheating
Mixed-powder be added above-mentioned steps (2) in high speed disperser in, continue disperse 1-2h；
(4) mixture of antiscorching agent, curing agent and dispersing agent is added in the high speed disperser in above-mentioned steps (3), protects
Temperature dispersion 2-3h, after high speed disperser is evacuated to 20-40KPa, resulting material is squeezed into after pressure maintaining deaeration 20-30min crowded
Out in machine, in 140-160 DEG C of at a temperature of extrusion molding, rear cooled to room temperature obtains product.
Embodiment 4:
The properties of cable cover(ing) of the present invention are detected, cable cover(ing) and market obtained by above-described embodiment 1-3 are chosen
Upper common cable cover(ing), using cable cover(ing) obtained by embodiment 1-3 as experimental group 1-3, common cable sheath is control group, as a result
It is as shown in the table:
| Group | Experimental group 1 | Experimental group 2 | Experimental group 3 | Control group |
| Fusing point/DEG C | 230 | 280 | 265 | 150 |
| Ageing time/h | 3250 | 3750 | 3400 | 2000 |
| Curing time/h | 2.5 | 1.5 | 2 | 5 |
As seen from the above table, since the more high then high temperature resistance of fusing point is better, the ageing time the long then more anti-aging, when solidification
Between more short then curing rate it is faster, therefore cable cover(ing) obtained by the present invention has high temperature resistant, anti-aging and easy cured performance,
And far superior to common cable sheath, and the properties of cable cover(ing) obtained by embodiment 2 are best.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of potent high temperature-resistant cable sheath, which is characterized in that the cable cover(ing) is made of raw material from the following weight: poly-
55-65 parts of ethylene, 35-45 parts of epoxy resin, 12-16 parts of quartz sand, 12-16 parts of clay, 6-10 parts of boron carbide, zinc borate 6-10
Part, 6-10 parts of alumina silicate, 6-10 parts of antimony oxide, 2-4 parts of crosslinking agent, 2-4 parts of anti-aging agent, 2-4 parts of antiscorching agent, 1-2 parts of curing agent,
1-2 parts of dispersing agent.
2. a kind of potent high temperature-resistant cable sheath according to claim 1, which is characterized in that the cable cover(ing) is by following
The raw material of parts by weight is made: 60 parts of polyethylene, 40 parts of epoxy resin, 14 parts of quartz sand, 14 parts of clay, 8 parts of boron carbide, zinc borate
8 parts, 8 parts of alumina silicate, 8 parts of antimony oxide, 3 parts of crosslinking agent, 3 parts of anti-aging agent, 3 parts of antiscorching agent, 1.5 parts of curing agent, dispersing agent 1.5
Part.
3. a kind of potent high temperature-resistant cable sheath according to claim 1 to 2, which is characterized in that the crosslinking agent is by N, N-
Methylene-bisacrylamide, methylene diacrylamide, 1,4-butanediol diglycidyl ether with mass ratio be 4:1:3 mix and
At.
4. a kind of potent high temperature-resistant cable sheath according to claim 1 to 2, which is characterized in that the anti-aging agent is by anti-old
Agent 2246, antioxidant HS-911 and antioxidant 4010 are mixed with mass ratio for 7:4:5.
5. a kind of potent high temperature-resistant cable sheath according to claim 1 to 2, which is characterized in that the antiscorching agent is by N- ring
Hexyl vulcanization phthalimide and N- nitrosoaniline are mixed with mass ratio for 3:2.
6. a kind of potent high temperature-resistant cable sheath according to claim 1 to 2, which is characterized in that the curing agent is by phosphoric acid
Aluminium, fatty amine and acid anhydrides are mixed with mass ratio for 5:2:1.
7. a kind of potent high temperature-resistant cable sheath according to claim 1 to 2, which is characterized in that the dispersing agent is by three second
Base hexyl phosphoric acid, polyvinylpyrrolidone and soap base salt are mixed with mass ratio for 3:5:6.
8. a kind of preparation method of potent high temperature-resistant cable sheath, which is characterized in that the preparation method of the cable cover(ing) includes
Following steps:
(1) polyethylene, epoxy resin, crosslinking agent and anti-aging agent are added in high speed disperser, are warming up to 100-110 DEG C, and
High speed dispersion, heat preservation dispersion 2-4h are carried out with the speed of 600-800r/min；
(2) clay of the quartz sand and 1/2 amount that take 1/2 amount of formula is added in grinder, adds boron carbide and zinc borate carries out
Mixed grinding after being ground to 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, keep the temperature 1-2h afterwards
The mixed-powder after preheating is added in the high speed disperser in above-mentioned steps (1) again, continues to disperse 1-2h；
(3) it takes remaining quartz sand and clay to be added in grinder, adds zinc borate and alumina silicate carries out mixing grinding, grind
It to after crossing 600 meshes, is mixed powder and is added in preheating cabinet, be warming up to 60-70 DEG C, the rear 1-2h that keeps the temperature again will be mixed after preheating
It closes powder to be added in the high speed disperser in above-mentioned steps (2), continues to disperse 1-2h；
(4) mixture of antiscorching agent, curing agent and dispersing agent, heat preservation point are added in the high speed disperser in above-mentioned steps (3)
Dissipate 2-3h, after high speed disperser is evacuated to 20-40KPa, resulting material is squeezed into extruder after pressure maintaining deaeration 20-30min
Interior, in 140-160 DEG C of at a temperature of extrusion molding, rear cooled to room temperature obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586852.8A CN109627555A (en) | 2018-12-25 | 2018-12-25 | A kind of potent high temperature-resistant cable sheath and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586852.8A CN109627555A (en) | 2018-12-25 | 2018-12-25 | A kind of potent high temperature-resistant cable sheath and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109627555A true CN109627555A (en) | 2019-04-16 |
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| CN201811586852.8A Pending CN109627555A (en) | 2018-12-25 | 2018-12-25 | A kind of potent high temperature-resistant cable sheath and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350045A (en) * | 2021-04-13 | 2022-04-15 | 杭州安誉科技有限公司 | High-temperature-resistant heat cover for fluorescent quantitative PCR instrument and forming method thereof |
| WO2022123924A1 (en) * | 2020-12-07 | 2022-06-16 | 株式会社 東芝 | Insulating resin composition, insulating member formed of cured product of same, and electrical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367973A (en) * | 2008-10-09 | 2009-02-18 | 上海交通大学 | Preparation method for high-strength heat-proof polythene composite material |
| CN104610634A (en) * | 2015-01-15 | 2015-05-13 | 安徽科正新材料有限公司 | Silane crosslinked-polyethylene insulation material adopting one-step method and preparation technology of silane crosslinked-polyethylene insulation material |
-
2018
- 2018-12-25 CN CN201811586852.8A patent/CN109627555A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367973A (en) * | 2008-10-09 | 2009-02-18 | 上海交通大学 | Preparation method for high-strength heat-proof polythene composite material |
| CN104610634A (en) * | 2015-01-15 | 2015-05-13 | 安徽科正新材料有限公司 | Silane crosslinked-polyethylene insulation material adopting one-step method and preparation technology of silane crosslinked-polyethylene insulation material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022123924A1 (en) * | 2020-12-07 | 2022-06-16 | 株式会社 東芝 | Insulating resin composition, insulating member formed of cured product of same, and electrical device |
| CN114350045A (en) * | 2021-04-13 | 2022-04-15 | 杭州安誉科技有限公司 | High-temperature-resistant heat cover for fluorescent quantitative PCR instrument and forming method thereof |
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Application publication date: 20190416 |