CN107915913A - A kind of polystyrene heat resist modification cable material and preparation method thereof - Google Patents
A kind of polystyrene heat resist modification cable material and preparation method thereof Download PDFInfo
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- CN107915913A CN107915913A CN201711044902.5A CN201711044902A CN107915913A CN 107915913 A CN107915913 A CN 107915913A CN 201711044902 A CN201711044902 A CN 201711044902A CN 107915913 A CN107915913 A CN 107915913A
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- polystyrene
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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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
- H01B3/442—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 aromatic vinyl compounds
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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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—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 vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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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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- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of polystyrene heat resist modification cable material and preparation method thereof, which is prepared including following parts by weight raw material：12 15 parts of filler, 0.3 0.8 parts of composite thermal stabilizer, 15 20 parts of polyvinyl fluoride, 40 55 parts of polystyrene, 0.3 0.8 parts of coupling agent, 0.1 0.3 parts of crosslinking agent；Composite thermal stabilizer is added in polystyrene and is carried out under conditions of the polystyrene degree of polymerization is controlled cross-linking modified, the significant resistance to elevated temperatures for improving polystyrene, and preferable processability is remained, which is used for cable, the resistance to elevated temperatures of cable can be dramatically increased.
Description
Technical field
The present invention relates to cable material field, and in particular to a kind of polystyrene heat resist modification cable material and its preparation
Method.
Background technology
Cable is to be fabricated to conductor thread core by twisted with one or more conducting wire, then corresponding insulation is imposed on conductor
Layer, the conducting wire that outside is wrapped sealing sheath and formed, is mainly made of core, insulating layer, shielded layer and restrictive coating.Cable has
Take ground and space is few；Power supply safety is reliable, and electric shock possibility is small；Be conducive to improve the power factor of electric system；Operation,
Maintenance work is simple and convenient；Be conducive to beautifying city, there is many advantages, such as confidentiality, in being widely used in living and producing
Every field.The effect of the coat layer of power cable is intrusion of the sealing protection cable from introduced contaminants and moisture, prevents that external force is straight
Connect damage cable insulation.Cable cover(ing) layer material not only requires good airproof performance, anti-corrosive properties height, high mechanical strength, good flame resistance,
Should also have certain resistance to elevated temperatures.
Polystyrene is the polymer synthesized by styrene monomer through free radical polymerization, because it is with electrical insulating property
The advantages that energy is good, and easy coloring, processing fluidity is good, and rigidity is good and chemical resistance is good, is widely used in machinery, automobile, electricity
The industrial circles such as sub- electric appliance, instrument and meter, weaving and building, polystyrene material can also be used as cable cover(ing) layer material.With
Application of the cable in more areas, the application environment of cable also become increasingly complex, thus, the requirement to the properties of cable
Also higher and higher, the cable performance being prepared with single polystyrene material has been unable to meet the requirement of cable performance, right
Cable is modified with polystyrene material and necessitated.
Resistance to elevated temperatures is one of property that cable needs to have, and is continuously increased with the scope of cable application, electricity
Cable is also applied in more hot environments, thus, the resistance to elevated temperatures requirement to cable is also higher and higher, cable is used poly-
The resistance to elevated temperatures of styrene materials requires also higher and higher.A variety of methods are also used in the prior art to improve polystyrene
The heat-resisting quantity of material, such as：Add inorganic filler and crosslinked method is carried out to polystyrene, but due to the pin of raw material selection
Influence that is poor to property or the factor such as not being controlled to the polystyrene degree of polymerization, the obtained resistance to height of modified polystyrene material
Warm nature can not reach the requirement of anticipation, otherwise processability is good but heat-resisting quantity is poor, otherwise the good but processability of heat-resisting quantity becomes
Difference, so as to seriously affect the production and application of cable.
The content of the invention
The defects of it is an object of the invention to overcome existing cable polystyrene material heat-resisting quantity insufficient, there is provided a kind of
Polystyrene heat resist modification cable material and preparation method thereof；Composite thermal stabilizer is added in polystyrene simultaneously by the present invention
Carried out under conditions of the polystyrene degree of polymerization is controlled cross-linking modified, significantly improve the resistance to elevated temperatures of polystyrene, and
Preferable processability is remained, which is used for cable, the resistance to elevated temperatures of cable can be dramatically increased.
In order to realize foregoing invention purpose, the present invention provides a kind of polystyrene heat resist modification cable material, including
Following parts by weight raw material are prepared：12-15 parts of filler, 0.3-0.8 parts of composite thermal stabilizer, 15-20 parts of poly- fluorine
Ethene, 40-55 parts of polystyrene, 0.3-0.8 parts of coupling agent, 0.1-0.3 parts of crosslinking agent.
A kind of polystyrene heat resist modification cable material of the present invention, can increase poly- according to filler, heat stabilizer and crosslinking
The heat safe basic principle of styrene, not only by targetedly screening composite thermal stabilizer, filler and the species of crosslinking agent, comes
The compatibility between each raw material is improved, makes filler and heat stabilizer more preferable to the resistance to elevated temperatures humidification of polystyrene, also
Modified polystyrene material is set to be reached between heat-resisting quantity and processability by controlling the degree of polymerization of polystyrene material
To optimum balance relation, so that the polystyrene material made also meets under conditions of with excellent resistance to elevated temperatures
The required processability of cable is prepared, so as to largely produce the good cable of heat-resisting quantity.
A kind of above-mentioned polystyrene heat resist modification cable material, wherein, the filler is mica powder and glass microballoon
Mixture；Filler can not only influence the resistance to elevated temperatures of polystyrene, polystyrene processability also be directly affected, by compound
Use, can at utmost increase the heat-resisting quantity of polystyrene, the influence to processability reduces；Preferably, in the filler
The ratio between amount of material of mica powder and glass microballoon is 2 ︰ 1；Wherein, the packing material size is 0.01-0.5 μm；Packing material size
Smaller with length, dispersiveness is poorer, and the humidification of polystyrene resistance to elevated temperatures is reduced, and packing material size and length are bigger,
Compatibility is poorer in polystyrene phase, interfacial separation easily occurs, influences the performance of polystyrene material；Preferably, it is described
Packing material size be 0.05-0.2 μm；Most preferably, the packing material size is 0.1 μm.
A kind of above-mentioned polystyrene heat resist modification cable material, wherein, the composite thermal stabilizer is calcium stearate
With the mixture of dibenzoyl methane composition；Synergistic function is formed between the composite thermal stabilizer, can be significantly improved
The resistance to elevated temperatures of polystyrene material；Preferably, calcium stearate and dibenzoyl methane in the composite thermal stabilizer
The ratio between amount of material is 2 ︰ 1.
A kind of above-mentioned polystyrene heat resist modification cable material, wherein, the degree of polymerization of polystyrene is bigger, resistance to after crosslinking
High-temperature behavior is poorer, and processability is better, and the polymer of polystyrene is smaller, then resistance to elevated temperatures is better after being crosslinked, and processability is got over
Difference, therefore, selects the rational polystyrene degree of polymerization, is the important means for balancing resistance to elevated temperatures and processability.Described is poly-
The vinyl fluoride degree of polymerization is 80-180；Preferably, the degree of polymerization of the polyvinyl fluoride is 100-150；Optimal, described poly- fluorine
The degree of polymerization of ethene is 130；By preferred, obtained polystyrene both has excellent resistance to elevated temperatures, it may have preferable
Processability, is suitable for preparing the coat layer of power cable.
Wherein, the polystyrene degree of polymerization is 800-1200；Preferably, the degree of polymerization of the polystyrene is 900-
1100；Most preferably, the degree of polymerization of the polystyrene is 1000；By preferred, obtained polystyrene had both had excellent
Resistance to elevated temperatures, it may have preferable processability, is suitable for preparing the coat layer of power cable.
A kind of above-mentioned polystyrene heat resist modification cable material, wherein, the coupling agent is 3- aminopropyl trimethoxies
Base silane；3- aminopropyl trimethoxysilanes can increase the compatibility between filler and polystyrene material, improve polystyrene
The performance of material.
Wherein, the crosslinking agent is that three iso-propenyloxysilane of phenyl, the crosslinking agent can not only be gathered two kinds of differences
Right polystyrene is suitably crosslinked, and improves the resistance to elevated temperatures of polystyrene material, can be improved and the compatibility of filler, increase
Filler forms synergistic function to the modifying function of polystyrene with filler.
A kind of above-mentioned polystyrene heat resist modification cable material, wherein, its raw material further include dispersant, plasticizer,
One or more in antistatic additive, coloring agent, brightener；Above-mentioned auxiliary agent can improve polystyrene heat resist modification cable material
The processability of material, increases the effect such as its feature, so as to improve its applicability.
In order to realize foregoing invention purpose, further, the present invention provides a kind of polystyrene heat resist modification cable
The preparation method of material, comprises the following steps：
（1）Filler is handled with coupling agent；
（2）By the filler Jing Guo coupling processing and composite thermal stabilizer, polyvinyl fluoride, polystyrene, crosslinking agent after mixing
Extruded with extruder, obtain polystyrene heat resist modification cable material.
A kind of preparation method of polystyrene heat resist modification cable material of the present invention, first carries out coupling processing to filler,
Increase its compatibility with high molecular material, then mixed with raw materials such as polystyrene, filler is dispersed in crosslinking polyphenyl second
In alkene, the modified polystyrene material that stability is good, resistance to elevated temperatures is good, processability is good is formed；The preparation method is simple and reliable,
It is suitable for extensive, the industrialized production of polystyrene heat resist modification cable material.
Compared with prior art, beneficial effects of the present invention：
1st, polystyrene heat resist modification cable material of the present invention targetedly screen composite thermal stabilizer, filler, coupling agent and
The species of crosslinking agent, to improve the compatibility between filler and polystyrene, makes filler increase the resistance to elevated temperatures of polystyrene
Pretend with more preferable.
2nd, polystyrene heat resist modification cable material of the present invention is made modified by controlling the degree of polymerization of polystyrene
Polystyrene material reach optimum balance relation between resistance to elevated temperatures and processability, so as to get polystyrene material exist
Under conditions of excellent resistance to elevated temperatures, also comply with and prepare the required processability of the coat layer of power cable.
3rd, preparation method of the present invention is simple, reliable, is adapted to the extensive, industrial of polystyrene heat resist modification cable material
Metaplasia is produced.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
（1）By 8 parts, particle diameter be 0.1 μm of mica powder and 4 parts, particle diameter be 0.1 μm of glass microballoon, 0.5 part of 3- aminopropyl three
Methoxy silane is handled；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.4 part of calcium stearate, 0.2 part of dibenzoyl methane, 18
Part the degree of polymerization be 130 polyvinyl fluoride, 50 parts of the degree of polymerization be 1000 polystyrene, 0.2 part to three isopropyl alkene of phenyl
Oxysilane is extruded with extruder after mixing, obtains polystyrene heat resist modification cable material.
Embodiment 2
（1）By 6 parts, particle diameter be 0.5 μm of mica powder and 6 parts, particle diameter be 0.01 μm of glass microballoon, 0.3 part of 3- aminopropyl three
Methoxy silane is handled；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.2 part of calcium stearate, 0.1 part of dibenzoyl methane, 15
Part the degree of polymerization be 80 polyvinyl fluoride, 55 parts of the degree of polymerization be 1200 polystyrene, 0.1 part to three isopropyl alkene oxygen of phenyl
Base silane is extruded with extruder after mixing, obtains polystyrene heat resist modification cable material.
Embodiment 3
（1）By 10 parts, particle diameter be 0.01 μm of mica powder and 5 parts, particle diameter be 0.2 μm of glass microballoon, 0.8 part of 3- aminopropyl
Trimethoxy silane is handled；
（2）It is by the filler Jing Guo coupling processing and 0.6 part of calcium stearate and 0.2 part of dibenzoyl methane, 20 parts of the degree of polymerization
180 polyvinyl fluoride, the polystyrene that 40 parts of the degree of polymerization is 800,0.3 part three iso-propenyloxysilane of phenyl is mixed it is equal
Extruded after even with extruder, obtain polystyrene heat resist modification cable material.
Comparative example 1
（1）By 12 parts, particle diameter handled with 0.5 part of 3- aminopropyl trimethoxysilane for 0.1 μm of mica powder；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.4 part of calcium stearate, 0.2 part of dibenzoyl methane, 18
Part the degree of polymerization be 130 polyvinyl fluoride, 50 parts of the degree of polymerization be 1000 polystyrene, 0.2 part to three isopropyl alkene of phenyl
Oxysilane is extruded with extruder after mixing, obtains Polystyrene cable material.
Comparative example 2
（1）By 8 parts, particle diameter be 0.1 μm of mica powder and 4 parts, particle diameter be 0.1 μm of glass microballoon, 0.5 part of 3- aminopropyl three
Methoxy silane is handled；
（2）It is 130 by the mica powder Jing Guo coupling processing, glass microballoon and 0.6 part of dibenzoyl methane, 18 parts of the degree of polymerization
Polyvinyl fluoride, the polystyrene that 50 parts of the degree of polymerization is 1000,0.2 part three iso-propenyloxysilane of phenyl is uniformly mixed
Extruded afterwards with extruder, obtain Polystyrene cable material.
Comparative example 3
（1）By 8 parts, particle diameter be 0.1 μm of mica powder and 4 parts, particle diameter be 0.1 μm of glass microballoon, 0.5 part of 3- aminopropyl three
Methoxy silane is handled；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.6 part of calcium stearate, the poly- fluorine that 18 parts of the degree of polymerization is 130
Ethene, 50 parts of the degree of polymerization be 1000 polystyrene, 0.2 part to three iso-propenyloxysilane of phenyl after mixing with squeeze
Go out machine to be extruded, obtain Polystyrene cable material.
Comparative example 4
（1）By 8 parts, particle diameter be 0.1 μm of mica powder and 4 parts, particle diameter be 0.1 μm of glass microballoon, 0.5 part of 3- aminopropyl three
Methoxy silane is handled；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.4 part of calcium stearate, 0.2 part of dibenzoyl methane, 18
Part the degree of polymerization be 200 polyvinyl fluoride, 50 parts of the degree of polymerization be 1300 polystyrene, 0.2 part to three isopropyl alkene of phenyl
Oxysilane is extruded with extruder after mixing, obtains Polystyrene cable material.
Comparative example 5
（1）By 8 parts, particle diameter be 0.1 μm of mica powder and 4 parts, particle diameter be 0.1 μm of glass microballoon, 0.5 part of 3- aminopropyl three
Methoxy silane is handled；
（2）By the mica powder Jing Guo coupling processing, glass microballoon and 0.4 part of calcium stearate, 0.2 part of dibenzoyl methane, 18
Part the degree of polymerization be 60 polyvinyl fluoride, 50 parts of the degree of polymerization be 700 polystyrene, 0.2 part to three isopropyl alkene oxygen of phenyl
Base silane is extruded with extruder after mixing, obtains Polystyrene cable material.
By the Polystyrene cable material in above-described embodiment 1-3 and comparative example 1-5, performance detection is carried out, records data
It is as follows：
| Performance | Maximum operating temperature（℃） | Processability |
| Embodiment 1 | 105 | +++ |
| Embodiment 2 | 104 | +++ |
| Embodiment 3 | 103 | +++ |
| Comparative example 1 | 93 | ++ |
| Comparative example 2 | 97 | +++ |
| Comparative example 3 | 96 | +++ |
| Comparative example 4 | 91 | ++++ |
| Comparative example 5 | 106 | + |
Note："+" is more, illustrates that performance is better.
Above-mentioned analysis of experimental data is understood, the polystyrene heat resist modification of the present invention being prepared in embodiment 1-3
Cable material, resistance to elevated temperatures is good, and processability is good；And in comparative example 1, glass microballoon is not added with, filler synergistic function disappears
Lose, the resistance to elevated temperatures of polystyrene material significantly reduces, and processability reduces；Calcium stearate thermostabilization is not added with comparative example 2
Agent, the synergistic function of compound stabilizer disappear, the resistance to elevated temperatures humidification of polystyrene are significantly reduced；Comparative example
Dibenzoyl methane heat stabilizer is not added with 3, the synergistic function of compound stabilizer disappears, to the high temperature resistant of polystyrene
Performance enhancement effect significantly reduces；The degree of polymerization of polystyrene is excessive in comparative example 4, although processability improves, heat-resisting quantity
It can significantly reduce；The degree of polymerization of polystyrene is too small in comparative example 5, and modified polystyrene resistance to elevated temperatures is good, but processability is shown
Writing reduces.
Claims (10)
1. a kind of polystyrene heat resist modification cable material, it is characterised in that be prepared including following parts by weight raw material：
12-15 parts of filler, 0.3-0.8 parts of composite thermal stabilizer, 15-20 parts of polyvinyl fluoride, 40-55 parts of polystyrene,
0.3-0.8 parts of coupling agent, 0.1-0.3 parts of crosslinking agent；The filler is mica powder and the mixture of glass microballoon；It is described
Composite thermal stabilizer for calcium stearate and dibenzoyl methane composition mixture；The polyvinyl fluoride degree of polymerization is 80-
180；The polystyrene degree of polymerization is 800-1200；The coupling agent is 3- aminopropyl trimethoxysilanes；Described
Crosslinking agent is to three iso-propenyloxysilane of phenyl.
2. polystyrene heat resist modification cable material according to claim 1, it is characterised in that the filler medium cloud
The ratio between female powder and the amount of material of glass microballoon are 2 ︰ 1.
3. polystyrene heat resist modification cable material according to claim 1, it is characterised in that the packing material size
For 0.01-0.5 μm.
4. polystyrene heat resist modification cable material according to claim 3, it is characterised in that the packing material size
For 0.05-0.2 μm.
5. polystyrene heat resist modification cable material according to claim 1, it is characterised in that the compound thermal is steady
It is 2 ︰ 1 to determine the ratio between amount of material of calcium stearate and dibenzoyl methane in agent.
6. polystyrene heat resist modification cable material according to claim 1, it is characterised in that the polyvinyl fluoride
The degree of polymerization be 100-150.
7. polystyrene heat resist modification cable material according to claim 6, it is characterised in that the polyvinyl fluoride
The degree of polymerization be 130.
8. polystyrene heat resist modification cable material according to claim 1, it is characterised in that the polystyrene
The degree of polymerization is 900-1100.
9. polystyrene heat resist modification cable material according to claim 8, it is characterised in that the polystyrene
The degree of polymerization is 1000.
10. a kind of preparation method of any one of claim 1-9 polystyrene heat resist modification cable materials, its feature exist
In comprising the following steps：
（1）Filler is handled with coupling agent；
（2）By the filler Jing Guo coupling processing and composite thermal stabilizer, polyvinyl fluoride, polystyrene, crosslinking agent after mixing
Extruded with extruder, obtain polystyrene heat resist modification cable material.
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| CN201711044902.5A CN107915913A (en) | 2017-10-31 | 2017-10-31 | A kind of polystyrene heat resist modification cable material and preparation method thereof |
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| CN201711044902.5A CN107915913A (en) | 2017-10-31 | 2017-10-31 | A kind of polystyrene heat resist modification cable material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500652A (en) * | 2020-11-23 | 2021-03-16 | 徐本戊 | Anti-aging corrosion-resistant outdoor optical cable and preparation method thereof |
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2017
- 2017-10-31 CN CN201711044902.5A patent/CN107915913A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500652A (en) * | 2020-11-23 | 2021-03-16 | 徐本戊 | Anti-aging corrosion-resistant outdoor optical cable and preparation method thereof |
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