CN107090125A - A kind of high voltage direct current cable insulating materials and preparation method thereof - Google Patents
A kind of high voltage direct current cable insulating materials and preparation method thereof Download PDFInfo
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- CN107090125A CN107090125A CN201710326001.9A CN201710326001A CN107090125A CN 107090125 A CN107090125 A CN 107090125A CN 201710326001 A CN201710326001 A CN 201710326001A CN 107090125 A CN107090125 A CN 107090125A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
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- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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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- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08L2201/00—Properties
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
- C08L2205/242—Beta spherulite nucleating agents
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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
- C08L2207/10—Peculiar tacticity
- C08L2207/12—Syndiotactic polypropylene
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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
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
Abstract
The invention discloses a kind of high voltage direct current cable insulating materials, its raw material includes by weight：50 60 parts of polypropylene, 30 40 parts of copolymer from ethylene and propylene, 20 30 parts of nitrile rubber, 23 parts of nano zine oxide, 10 15 parts of chopped carbon fiber, 20 30 parts of resurrection glass fibre, 13 parts of Triallyl isocyanurate, 23 parts of triphenyl phosphite, 13 parts of lubricant, 0.5 1 parts of age resistor, 12 parts of vulcanizing agent；The invention also discloses a kind of preparation method of high voltage direct current cable insulating materials.The present invention improves the impact resistance and weatherability of insulating materials, and further increases the insulating properties of material.
Description
Technical field
The present invention relates to cable insulating materials technical field, more particularly to a kind of high voltage direct current cable insulation material
Material and preparation method thereof.
Background technology
TPO is preferred environment-friendly type direct current cables insulating materials, common are polyethylene, EP rubbers, gathers
The polymeric materials such as propylene.Polyethylene electrical excellent performance, insulaion resistance and electric strength are higher, and dielectric loss is small, but its compared with
Low softening temperature makes it unsuitable for working at high temperature, while the problem of there is not high mechanical strength and shorter service life.
Polypropylene is another potential environment protection type high pressure direct current cables insulating materials, according to its molecular chain structure, can be divided
For isotactic polypropylene, syndiotactic polypropylene and random polypropylene.Polypropylene has excellent insulating properties and corrosion resistance, isotactic
Polyacrylic fusing point is up to more than 160 DEG C, and temperature is used for a long time and reaches 100-120 DEG C.But the maximum shortcoming of polypropylene be it is resistance to
Easily brittle failure under cold poor performance, low temperature.
The present invention combines polyethylene and polyacrylic advantage and disadvantage, have developed by rational component formula and preparation company
A kind of high voltage direct current cable insulating materials of high comprehensive performance.
The content of the invention
The present invention proposes a kind of high voltage direct current cable insulating materials and preparation method thereof, improves the resistance to of insulating materials
Impact property and weatherability, and further increase the insulating properties of material.
A kind of high voltage direct current cable insulating materials proposed by the present invention, its raw material includes by weight：Polypropylene 50-60
Part, 30-40 parts of copolymer from ethylene and propylene, 20-30 parts of nitrile rubber, 2-3 parts of nano zine oxide, 10-15 parts of chopped carbon fiber,
20-30 parts of resurrection glass fibre, 1-3 parts of Triallyl isocyanurate, 2-3 parts of triphenyl phosphite, 1-3 parts of lubricant,
0.5-1 parts of age resistor, 1-2 parts of vulcanizing agent.
Preferably, polypropylene is syndiotactic polypropylene and random polypropylene.
Preferably, syndiotactic polypropylene and random polypropylene weight ratio are 7-8：2-3.
Preferably, the content of ethene is 30-40wt% in copolymer from ethylene and propylene, and the content of propylene is 60-70wt%.
Preferably, the draw ratio of chopped carbon fiber is 2-5：1.
Preferably, resurrection glass fibre is silica-sodium oxide molybdena-boron oxide ternary system, and softening point is 1600-1700
℃。
Preferably, its raw material includes by weight：53-58 parts of polypropylene, 33-38 parts of copolymer from ethylene and propylene, butyronitrile
22-28 parts of rubber, 2.2-2.8 parts of nano zine oxide, 11-14 parts of chopped carbon fiber, 22-27 parts of resurrection glass fibre, triolefin
1.5-2.5 parts of propyl group isocyanuric acid ester, 2.2-2.8 parts of triphenyl phosphite, 0.7-0.9 parts of age resistor, vulcanizing agent 1.2-1.8
Part.
Preferably, its raw material includes by weight：55 parts of polypropylene, 35 parts of copolymer from ethylene and propylene, nitrile rubber 25
Part, 2.5 parts of nano zine oxide, 13 parts of chopped carbon fiber, 25 parts of resurrection glass fibre, 2 parts of Triallyl isocyanurate, Asia
2.5 parts of triphenyl phosphate, 0.8 part of age resistor, 1.5 parts of vulcanizing agent.
Preferably, age resistor be one or both of antioxidant 4010, antioxidant D, age resistor OD, age resistor PDD with
Upper mixture.
The present invention proposes a kind of preparation method of high voltage direct current cable insulating materials, comprises the following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite
It is well mixed, it is warming up to 90-100 DEG C of banburying and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 120-
140 DEG C, banburying 30-40min adds age resistor, vulcanizing agent and is warming up to 180-190 DEG C, vulcanization, through being squeezed through twin screw extruder
Go out to obtain fire-retardant electric high voltage direct current cable insulating materials.
Preferably, in S2, the rate of extension of twin screw extruder is rate of extension 100-120mm/min, pushes speed
For 85-95mm/min.
The present invention is using polypropylene as major ingredient, and the proportioning of regulation syndiotactic polypropylene and random polypropylene improves the insulation of material
And corrosion resistance, add ethene and propylene copolymerization and nitrile rubber is modified to it, improve the cold tolerance of material, addition is received
Rice zinc oxide, serves the effect of heterogeneous nucleation agent, induces the formation of beta crystal, improves crystallinity to improve the resistance to of material
Wait performance and dielectric properties；The mating reaction of both Triallyl isocyanurate and triphenyl phosphite effectively controls polyacrylic
The degree of cross linking, suppresses the side reaction of resin, effectively reduces the dielectric constant of material, improves insulating properties；Chopped carbon fiber can rise
To the support and the effect of fixed charring layer of skeleton, in resurrection glass fibre, amorphous silica is formed through banburying melts
Thing, diffusion is penetrated into charring layer, is reacted with charring layer and carbon fiber, is formed in charring layer hole and is more stablized knot
Structure, plays bridge linking effect and improves material impact strength and heat resistance；The present invention is used on the basis of rational formula and pushed away
- drawing process is squeezed, both Triallyl isocyanurate and triphenyl phosphite cooperatively form the resin Composition of density, preferred
Air mediation is strengthened, further reduction in material formation microcellular structure by restrained stretching speed, pushing speed in scheme
Street coefficient, improves insulation effect.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of high voltage direct current cable insulating materials, its raw material includes by weight：60 parts of polypropylene, ethene and propylene are common
30 parts of polymers, 30 parts of nitrile rubber, 2 parts of nano zine oxide, 15 parts of chopped carbon fiber, 20 parts of resurrection glass fibre, three allyls
3 parts of base isocyanuric acid ester, 2 parts of triphenyl phosphite, 1 part of lubricant, 0.5 part of age resistor, 2 parts of vulcanizing agent.
Embodiment 2
A kind of high voltage direct current cable insulating materials, its raw material includes by weight：50 parts of polypropylene, ethene and propylene are common
40 parts of polymers, 20 parts of nitrile rubber, 3 parts of nano zine oxide, 10 parts of chopped carbon fiber, 30 parts of resurrection glass fibre, three allyls
1 part of base isocyanuric acid ester, 3 parts of triphenyl phosphite, 1 part of lubricant, 1 part of age resistor, 1 part of vulcanizing agent；
Wherein, polypropylene is syndiotactic polypropylene and random polypropylene, and syndiotactic polypropylene and random polypropylene weight ratio are 7：
2；The content of ethene is 30wt% in copolymer from ethylene and propylene, and the content of propylene is 70wt%；Resurrection glass fibre is oxygen
SiClx-sodium oxide molybdena-boron oxide ternary system, softening point is 1600 DEG C；
High voltage direct current cable insulating materials, is made by following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite
It is well mixed, it is warming up to 90 DEG C of banburyings and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 120
DEG C, banburying 40min adds age resistor, vulcanizing agent and is warming up to 190 DEG C of vulcanizations, and fire-retardant electricity is obtained through twin screw extruder extrusion
High voltage direct current cable insulating materials.
Embodiment 3
A kind of high voltage direct current cable insulating materials, its raw material includes by weight：55 parts of polypropylene, ethene and propylene are common
35 parts of polymers, 25 parts of nitrile rubber, 2.5 parts of nano zine oxide, 13 parts of chopped carbon fiber, 25 parts of resurrection glass fibre, triolefin
2 parts of propyl group isocyanuric acid ester, 2.5 parts of triphenyl phosphite, 0.8 part of age resistor, 1.5 parts of vulcanizing agent；
Wherein, polypropylene is syndiotactic polypropylene and random polypropylene, and syndiotactic polypropylene and random polypropylene weight ratio are 8：
3；The content of ethene is 40wt% in copolymer from ethylene and propylene, and the content of propylene is 60wt%；Resurrection glass fibre is oxygen
SiClx-sodium oxide molybdena-boron oxide ternary system, softening point is 1700 DEG C；Age resistor is antioxidant 4010；
High voltage direct current cable insulating materials, is made by following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite
It is well mixed, it is warming up to 100 DEG C of banburyings and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 140
DEG C, banburying 30min adds age resistor, vulcanizing agent and is warming up to 180 DEG C of vulcanizations, and fire-retardant electricity is obtained through twin screw extruder extrusion
High voltage direct current cable insulating materials；Wherein, the rate of extension of twin screw extruder is 100mm/min, pushes speed and is
85mm/min。
Embodiment 4
A kind of high voltage direct current cable insulating materials, its raw material includes by weight：58 parts of polypropylene, ethene and propylene are common
33 parts of polymers, 28 parts of nitrile rubber, 2.2 parts of nano zine oxide, 14 parts of chopped carbon fiber, 22 parts of resurrection glass fibre, triolefin
2.5 parts of propyl group isocyanuric acid ester, 2.2 parts of triphenyl phosphite, 0.9 part of age resistor, 1.8 parts of vulcanizing agent；
Wherein, polypropylene is syndiotactic polypropylene and random polypropylene, and syndiotactic polypropylene and random polypropylene weight ratio are 8：
3；The content of ethene is 40wt% in copolymer from ethylene and propylene, and the content of propylene is 60wt%；Resurrection glass fibre is oxygen
SiClx-sodium oxide molybdena-boron oxide ternary system, softening point is 1700 DEG C；Age resistor is antioxidant 4010；
High voltage direct current cable insulating materials, is made by following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite
It is well mixed, it is warming up to 95 DEG C of banburyings and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 140
DEG C, banburying 30min adds age resistor, vulcanizing agent and is warming up to 180 DEG C of vulcanizations, and fire-retardant electricity is obtained through twin screw extruder extrusion
High voltage direct current cable insulating materials；Wherein, the rate of extension of twin screw extruder is 120mm/min, pushes speed and is
95mm/min。
Embodiment 5
A kind of high voltage direct current cable insulating materials, its raw material includes by weight：53 parts of polypropylene, ethene and propylene are common
38 parts of polymers, 22 parts of nitrile rubber, 2.8 parts of nano zine oxide, 11 parts of chopped carbon fiber, 27 parts of resurrection glass fibre, triolefin
1.5 parts of propyl group isocyanuric acid ester, 2.8 parts of triphenyl phosphite, 0.7 part of age resistor, 1.2 parts of vulcanizing agent；
Wherein, polypropylene is syndiotactic polypropylene and random polypropylene, and syndiotactic polypropylene and random polypropylene weight ratio are 8：
3；The content of ethene is 35wt% in copolymer from ethylene and propylene, and the content of propylene is 65wt%；Resurrection glass fibre is oxygen
SiClx-sodium oxide molybdena-boron oxide ternary system, softening point is 1700 DEG C；Age resistor is antioxidant D, age resistor OD and age resistor
PDD；
High voltage direct current cable insulating materials, is made by following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite
It is well mixed, it is warming up to 95 DEG C of banburyings and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 140
DEG C, banburying 30min adds age resistor, vulcanizing agent and is warming up to 180 DEG C of vulcanizations, and fire-retardant electricity is obtained through twin screw extruder extrusion
High voltage direct current cable insulating materials；Wherein, the rate of extension of twin screw extruder is 110mm/min, pushes speed and is
90mm/min。
The obtained high voltage direct current cables of 3-5 will be implemented performance test is carried out with insulating materials, it is as a result as shown in the table：
| Performance parameter | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Dielectric constant | 1.3 | 1.2 | 1.3 |
| Tensile strength/MPa | 2164 | 2069 | 1986 |
| Notch impact strength/(kJ/m2) | 25.64 | 23.49 | 22.97 |
From test data as can be seen that the present invention has good electrical insulating property, tensile strength and notch impact strength
Meet actual operation requirements.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of high voltage direct current cable insulating materials, it is characterised in that its raw material includes by weight：50-60 parts of polypropylene,
30-40 parts of copolymer from ethylene and propylene, 20-30 parts of nitrile rubber, 2-3 parts of nano zine oxide, 10-15 parts of chopped carbon fiber, height
20-30 parts of silica glass, it is 1-3 parts of Triallyl isocyanurate, 2-3 parts of triphenyl phosphite, 1-3 parts of lubricant, anti-
Old agent 0.5-1 parts, 1-2 parts of vulcanizing agent.
2. high voltage direct current cable insulating materials according to claim 1, it is characterised in that polypropylene is syndiotactic polypropylene
And random polypropylene；Preferably, syndiotactic polypropylene and random polypropylene weight ratio are 7-8：2-3.
3. high voltage direct current cable insulating materials according to claim 1, it is characterised in that in copolymer from ethylene and propylene
The content of ethene is 30-40wt%, and the content of propylene is 60-70wt%.
4. the high voltage direct current cable insulating materials according to claim any one of 1-3, it is characterised in that chopped carbon fiber
Draw ratio be 2-5：1.
5. the high voltage direct current cable insulating materials according to claim any one of 1-3, it is characterised in that vagcor
Fiber is silica-sodium oxide molybdena-boron oxide ternary system, and softening point is 1600-1700 DEG C.
6. the high voltage direct current cable insulating materials according to claim any one of 1-3, it is characterised in that its raw material is by weight
Amount part includes：53-58 parts of polypropylene, 33-38 parts of copolymer from ethylene and propylene, 22-28 parts of nitrile rubber, nano zine oxide 2.2-
2.8 parts, 11-14 parts of chopped carbon fiber, 22-27 parts of resurrection glass fibre, it is 1.5-2.5 parts of Triallyl isocyanurate, sub-
2.2-2.8 parts of triphenyl phosphate, 0.7-0.9 parts of age resistor, 1.2-1.8 parts of vulcanizing agent.
7. the high voltage direct current cable insulating materials according to claim any one of 1-3, it is characterised in that its raw material is by weight
Amount part includes：55 parts of polypropylene, 35 parts of copolymer from ethylene and propylene, 25 parts of nitrile rubber, 2.5 parts of nano zine oxide, chopped carbon
13 parts of fiber, 25 parts of resurrection glass fibre, 2 parts of Triallyl isocyanurate, 2.5 parts of triphenyl phosphite, age resistor 0.8
Part, 1.5 parts of vulcanizing agent.
8. the high voltage direct current cable insulating materials according to claim any one of 1-3, it is characterised in that age resistor is anti-
One or both of old agent 4010, antioxidant D, age resistor OD, age resistor PDD thing mixed above.
9. a kind of preparation method of high voltage direct current cable insulating materials according to claim any one of 1-8, its feature
It is, comprises the following steps：
S1, by polypropylene, copolymer from ethylene and propylene, nitrile rubber, Triallyl isocyanurate, triphenyl phosphite mix
Uniformly, it is warming up to 90-100 DEG C of banburying and obtains premix；
S2, addition nano zine oxide, chopped carbon fiber, resurrection glass fibre mixing into premix, are warming up to 120-140
DEG C, banburying 30-40min adds age resistor, vulcanizing agent and is warming up to 180-190 DEG C, vulcanization is extruded through twin screw extruder
To fire-retardant electric high voltage direct current cable insulating materials.
10. the preparation method of the high voltage direct current cable insulating materials described in claim 9, it is characterised in that in S2, double helix
The rate of extension of bar extruder is 100-120mm/min, and pushing speed is 85-95mm/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114806029A (en) * | 2022-05-30 | 2022-07-29 | 宜兴汉光高新石化有限公司 | Environment-friendly high-voltage cable polypropylene special material and preparation method thereof |
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| CN1368519A (en) * | 2001-02-05 | 2002-09-11 | 青岛大学 | Dynamic fully-cross-linked thermoplastic sulfurized rubber composition and its preparing process |
| CN101495555A (en) * | 2006-06-08 | 2009-07-29 | 埃克森美孚化学专利公司 | Process for preparing articles |
| CN103113719A (en) * | 2013-02-01 | 2013-05-22 | 金发科技股份有限公司 | Flame-retardant thermoplastic composition as well as preparation method and application thereof |
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2017
- 2017-05-10 CN CN201710326001.9A patent/CN107090125A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275143A (en) * | 1998-06-22 | 2000-11-29 | Ck韦特科公司 | Silane vulcanized thermoplastic elastomers |
| CN1368519A (en) * | 2001-02-05 | 2002-09-11 | 青岛大学 | Dynamic fully-cross-linked thermoplastic sulfurized rubber composition and its preparing process |
| CN101495555A (en) * | 2006-06-08 | 2009-07-29 | 埃克森美孚化学专利公司 | Process for preparing articles |
| CN103113719A (en) * | 2013-02-01 | 2013-05-22 | 金发科技股份有限公司 | Flame-retardant thermoplastic composition as well as preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114806029A (en) * | 2022-05-30 | 2022-07-29 | 宜兴汉光高新石化有限公司 | Environment-friendly high-voltage cable polypropylene special material and preparation method thereof |
| CN114806029B (en) * | 2022-05-30 | 2023-07-21 | 宜兴汉光高新石化有限公司 | Environment-friendly high-voltage cable polypropylene special material and preparation method thereof |
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Application publication date: 20170825 |