CN107841120A - A kind of polycarbonate modified cable material of tension and preparation method thereof - Google Patents

A kind of polycarbonate modified cable material of tension and preparation method thereof Download PDF

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Publication number
CN107841120A
CN107841120A CN201711044724.6A CN201711044724A CN107841120A CN 107841120 A CN107841120 A CN 107841120A CN 201711044724 A CN201711044724 A CN 201711044724A CN 107841120 A CN107841120 A CN 107841120A
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parts
makrolon
basalt fibre
cable material
polycarbonate modified
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舒春柳
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Sichuan Lizhi Jiuchuang Intellectual Property Operations Ltd
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Sichuan Lizhi Jiuchuang Intellectual Property Operations Ltd
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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
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • H01B3/42—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 polyesters; polyethers; polyacetals
    • H01B3/421—Polyesters
    • H01B3/426—Polycarbonates
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/004—Additives being defined by their length
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses polycarbonate modified cable material of a kind of tension and preparation method thereof, the material is prepared including following parts by weight raw material：10 15 parts of basalt fibre, 0.001 0.003 parts of graphene, 8 12 parts of modifying agent, 10 15 parts of polyphenylene oxide, 35 45 parts of makrolon, 0.3 0.8 parts of coupling agent, 0.1 0.3 parts of crosslinking agent；Basalt fibre Jing Guo modification is added in makrolon and carried out cross-linking modified, the significant tensile strength energy for improving makrolon, and preferable processability is remained, the makrolon material is used for the restrictive coating of cable, the tensile property of cable can be dramatically increased.

Description

A kind of polycarbonate modified cable material of tension and preparation method thereof
Technical field
The present invention relates to cable material field, and in particular to a kind of polycarbonate modified cable material of tension and its preparation side Method.
Background technology
Cable is to be fabricated to conductor thread core by twisted with one or more wire, then corresponding insulation is imposed on conductor Layer, the wire that outside is wrapped sealing sheath and formed, is mainly made up of core, insulating barrier, screen layer and restrictive coating.Cable has Take ground and space is few；Power supply safety is reliable, and electric shock possibility is small；Be advantageous to improve the power factor of power system；Operation, Maintenance work is simple and convenient；Be advantageous 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 tensile strength.
Makrolon is the high molecular polymer containing carbonate group in strand, has high intensity and coefficient of elasticity, height The advantages that impact strength, use temperature range are wide, shaping shrinkage rate is low, dimensional stability is good, weatherability is good, good electrical property, It is widely used in electronics, automobile, machinery and chemical field.In field of cables, makrolon can also be used as cable material it One.With application of the cable in more areas, the application environment of cable also becomes increasingly complex, thus, to the items of cable Also more and more higher, the cable performance being prepared with single makrolon material can not meet cable performance for the requirement of energy Necessitated it is required that being modified to cable with makrolon material.
Tensile property is one of basic performance that cable needs to have, and is continuously increased with the scope of cable application, cable The span of laying also improves constantly, thus, also more and more higher is required to the tensile property of cable, to cable makrolon material Tensile property requirement also more and more higher.A variety of methods are also used in the prior art to improve the tension of makrolon material Property, such as：The method that is crosslinked to makrolon of addition high strength fiber peacekeeping, but because the specific aim of raw material selection is poor or The influence of factor such as it is not controlled to polycarbonate polymerization degree, obtained modified polycarbonate material tensile property does not have Reach the requirement of anticipation, otherwise processability is good but tensile strength is insufficient, otherwise well but processability is deteriorated tensile strength, so as to serious It has impact on the production and application of cable.
The content of the invention
The defects of it is an object of the invention to overcome the makrolon material tensile strength deficiency for being currently used for cable, there is provided A kind of polycarbonate modified cable material of tension and preparation method thereof；The present invention adds the basalt fibre Jing Guo modification Into makrolon and carry out cross-linking modified, significantly improve the tensile strength of makrolon, and remain preferable processing Property, the makrolon material is used for cable, the tensile property of cable can be dramatically increased.
In order to realize foregoing invention purpose, the invention provides a kind of polycarbonate modified cable material of tension, including with Lower parts by weight raw material are prepared：The basalt fibre, the graphene of 0.001-0.003 parts of 10-15 parts, the modification of 8-12 parts Agent, the polyphenylene oxide of 10-15 parts, the makrolon of 35-45 parts, the coupling agent of 0.3-0.8 parts, the crosslinking agent of 0.1-0.3 parts.
A kind of polycarbonate modified cable material of tension of the present invention, makrolon can be increased according to basalt fibre and crosslinking The general principle of tensile strength, not only by targetedly screening modifying agent, coupling agent and the species of crosslinking agent, to improve the Black Warrior Compatibility between rock fiber and makrolon, make basalt fibre more preferable to the tensile strength humidification of makrolon, also Modified makrolon material is set to be reached between tensile strength and processability by controlling the degree of polymerization of makrolon material To optimum balance relation, the makrolon material so as to make to obtain also meets system under conditions of with excellent tensile strength Processability required for standby cable, so as to largely produce the cable of high-tensile.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein graphene can act synergistically with basalt fibre, On the premise of not appreciably affecting makrolon material electrical property, the tensile strength of makrolon material is dramatically increased；Graphene Amount needs to control in prescribed limit, and dosage is excessive, and makrolon material resistivity is greatly reduced, and insulating properties reduces, and is not suitable for For the coat layer of power cable；Dosage is very few, small to makrolon material tensile strength increasing action, action effect unobvious；It is preferred that , described graphene dosage is 0.002 part.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein, a diameter of 0.01-0.5 μ of described basalt fibre M, length are 10-180 μm；Basalt fibre diameter and length are smaller, dispersed poorer, the enhancing to makrolon tensile strength Effect reduces, and basalt fibre diameter and length are bigger, and compatibility is poorer in makrolon phase, interfacial separation easily occurs, Influence the tensile strength of makrolon material；Preferably, a diameter of 0.05-0.2 μm of described basalt fibre, length 30- 80μm；Most preferably, a diameter of 0.1 μm of described basalt fibre, length are 50 μm；By preferred, basalt fibre is to poly- The tension enhancing effect of carbonate material is best.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein, described modifying agent is ethyl acetate and polypropylene The mixture of acid composition；Described modifying agent can improve the compatibility of basalt fibre and makrolon, and increase material tension is strong Degree；Preferably, the ratio between amount of material of ethyl acetate and polyacrylic acid is 1 ︰ 2 in described modifying agent.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein, the degree of polymerization of makrolon is bigger, tension after crosslinking Intensity is poorer, and processability is better, and the polymer of makrolon is smaller, then tensile strength is better after being crosslinked, and processability is poorer, because This, selects rational polycarbonate polymerization degree, is the important means for balancing tensile strength and processability.Described polyphenylene oxide polymerization Spend for 300-500；Preferably, the degree of polymerization of described polyphenylene oxide is 380-420；It is optimal, the degree of polymerization of described polyphenylene oxide For 400；By preferred, obtained makrolon both has excellent tensile strength, it may have preferable processability, is suitable for Prepare the coat layer of power cable.
Wherein, described polycarbonate polymerization degree is 1800-2600；Preferably, the degree of polymerization of the makrolon is 2000-2400；Most preferably, the degree of polymerization of described makrolon is 2200；By preferred, obtained makrolon both had Excellent tensile strength, it may have preferable processability, be suitable for preparing the coat layer of power cable.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein, described coupling agent is methacryloxy third Base trimethoxysilane coupling agent；Methacryloxypropyl trimethoxy silane coupling agent can increase basalt fibre with gathering Compatibility between carbonate material, improve the performance of makrolon material.
Wherein, described crosslinking agent is 2,5- dimethyl -2,5 di-t-butyl hexane peroxides, and the crosslinking agent can not only incite somebody to action The makrolon of two kinds of different polymerization degrees is suitably crosslinked, and improves the tensile strength of makrolon material, can be improved fine with basalt The compatibility of dimension, increase basalt fibre form synergistic function to the modifying function of makrolon with basalt fibre.
A kind of above-mentioned polycarbonate modified cable material of tension, wherein, its raw material also includes dispersant, plasticizer, resisted One or more in electrostatic agent, coloring agent, brightener；Above-mentioned auxiliary agent can improve the polycarbonate modified cable material of tension Processability, increase the effect such as its feature, so as to improve its applicability.
In order to realize foregoing invention purpose, further, the invention provides a kind of polycarbonate modified cable material of tension The preparation method of material, comprises the following steps：
（1）Basalt fibre is modified with modifying agent and handles and dries；
（2）Basalt fibre Jing Guo modification is handled with coupling agent；
（3）Used after basalt fibre by coupling processing is well mixed with graphene, polyphenylene oxide, makrolon, crosslinking agent Extruder is extruded, and obtains the polycarbonate modified cable material of tension.
A kind of preparation method of the polycarbonate modified cable material of tension of the present invention, is first modified place to basalt fibre Reason, increases its compatibility with high polymer material, then basalt fibre is coupled with coupling agent, finally with makrolon etc. Raw material is mixed, and basalt fibre is dispersed in cross-linked polycarbonate, and formation stability is good, tensile strength is good, processability Good modified polycarbonate material；The preparation method is simple and reliable, is suitable for the big of the polycarbonate modified cable material of tension Scale, industrialized production.
Compared with prior art, beneficial effects of the present invention：
1st, graphene can act synergistically with basalt fibre in the polycarbonate modified cable material of tension of the present invention, in not clear development On the premise of ringing makrolon material electrical property, the tensile strength of makrolon material is dramatically increased.
2nd, the polycarbonate modified cable material of tension of the present invention targetedly screens the kind of modifying agent, coupling agent and crosslinking agent Class, to improve the compatibility between basalt fibre and makrolon, basalt fibre is set to increase the tensile strength of makrolon Pretend with more preferable.
3rd, the polycarbonate modified cable material of tension of the present invention is made modified by controlling the degree of polymerization of makrolon Makrolon material reaches optimum balance relation between tensile strength and processability, so as to get makrolon material with Under conditions of excellent tensile strength, the processability prepared required for the coat layer of power cable is also complied with.
4th, preparation method of the present invention is simple, reliable, is adapted to extensive, the industrialization of the polycarbonate modified cable material of tension Production.
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 a diameter of 0.1 μm of 12 parts, basalt fibre 3 parts of the ethyl acetate and 6 parts of polypropylene that length is 50 μm Acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.5 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.002 part of graphene, the polyphenylene oxide that 12 parts of the degree of polymerization is 400,40 parts poly- It is right be 2200 makrolon, 0.2 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains the polycarbonate modified cable material of tension.
Embodiment 2
（1）By a diameter of 0.5 μm of 10 parts, basalt fibre 4 parts of the ethyl acetate and poly- the third of 8 parts that length is 180 μm Olefin(e) acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.3 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.001 part of graphene, the polyphenylene oxide that 15 parts of the degree of polymerization is 300,45 parts poly- It is right be 2600 makrolon, 0.1 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains the polycarbonate modified cable material of tension.
Embodiment 3
（1）By a diameter of 0.01 μm of 15 parts, basalt fibre 4 parts of the ethyl acetate and poly- the third of 4 parts that length is 10 μm Olefin(e) acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.8 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.003 part of graphene, the polyphenylene oxide that 10 parts of the degree of polymerization is 500,35 parts poly- It is right be 1800 makrolon, 0.3 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains the polycarbonate modified cable material of tension.
Comparative example 1
（1）By a diameter of 0.1 μm of 12 parts, basalt fibre 3 parts of the ethyl acetate and 6 parts of polypropylene that length is 50 μm Acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.5 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By polyphenylene oxide that the basalt fibre after coupling and 12 parts of the degree of polymerization are 400,40 parts of the degree of polymerization be 2200 it is poly- Extruded, obtained with extruder after carbonic ester, 0.2 part of 2,5- dimethyl -2,5 di-t-butyl hexane peroxide are well mixed Polycarbonate modified cable material.
Comparative example 2
（1）By 0.5 part a diameter of 0.1 μm of 12 parts, basalt fibre that length is 50 μm of methacryloxypropyl Trimethoxysilane coupling agent carries out coupling processing；
（2）By the basalt fibre after coupling and 0.002 part of graphene, the polyphenylene oxide that 12 parts of the degree of polymerization is 400,40 parts poly- It is right be 2200 makrolon, 0.2 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains polycarbonate modified cable material.
Comparative example 3
（1）By a diameter of 0.1 μm of 12 parts, basalt fibre 3 parts of the ethyl acetate and 6 parts of polypropylene that length is 50 μm Acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.5 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.002 part of graphene, the polyphenylene oxide that 12 parts of the degree of polymerization is 280,40 parts poly- It is right be 1700 makrolon, 0.2 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains polycarbonate modified cable material.
Comparative example 4
（1）By a diameter of 0.1 μm of 12 parts, basalt fibre 3 parts of the ethyl acetate and 6 parts of polypropylene that length is 50 μm Acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.5 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.002 part of graphene, the polyphenylene oxide that 12 parts of the degree of polymerization is 520,40 parts poly- It is right be 2800 makrolon, 0.2 part of the di-t-butyl hexane peroxide of 2,5- dimethyl -2,5 it is well mixed after with extrusion Machine is extruded, and obtains polycarbonate modified cable material.
Comparative example 5
（1）By a diameter of 0.1 μm of 12 parts, basalt fibre 3 parts of the ethyl acetate and 6 parts of polypropylene that length is 50 μm Acid is modified after processing and dried；
（2）Basalt fibre Jing Guo modification is coupled with 0.5 part of methacryloxypropyl trimethoxy silane Agent carries out coupling processing；
（3）By the basalt fibre after coupling and 0.002 part of graphene, the polyphenylene oxide that 12 parts of the degree of polymerization is 400,40 parts poly- It is right be 2200 makrolon, 0.2 part of GDMA it is well mixed after extruded with extruder, obtain To polycarbonate modified cable material.
By the polycarbonate modified cable material in above-described embodiment 1-3 and comparative example 1-5, performance detection, record are carried out Data are as follows：
Performance Tensile strength（MPa） Extensibility（%） Processability
Embodiment 1 75.2 15.4 +++
Embodiment 2 74.3 16.1 +++
Embodiment 3 74.1 13.7 +++
Comparative example 1 71.3 10.5 +++
Comparative example 2 68.6 14.3 ++
Comparative example 3 75.2 6.8 +
Comparative example 4 70.2 18.2 ++++
Comparative example 5 71.3 15.4 ++
Note："+" is more, illustrates that performance is better.
Above-mentioned analysis of experimental data is understood, the polycarbonate modified electricity of tension of the present invention being prepared in embodiment 1-3 Cable material, tensile strength is good, and processability is good；And in comparative example 1, be not added with graphene, it is impossible to basalt fibre Synergistic, The tensile strength of makrolon material significantly reduces；Processing is not modified to basalt fibre using modifying agent in comparative example 2, Compatibility poor of the basalt fibre in makrolon, the tensile strength humidification of makrolon is reduced, processability becomes Difference；The degree of polymerization of makrolon is too small in comparative example 3, and makrolon flowing property is poor after crosslinking, and processability is deteriorated, and is unfavorable in electricity Used in cable；The degree of polymerization of makrolon is big in comparative example 4, although processability improves, tensile strength significantly reduces；It is right It is not directed to the crosslinking agent of Sexual behavior mode in ratio 5 using the present invention, the compatibility reduction of makrolon and basalt fibre, causes to gather Tensile strength, the processability of carbonate material reduce.

Claims (10)

1. a kind of polycarbonate modified cable material of tension, it is characterised in that be prepared including following parts by weight raw material： The basalt fibre, the graphene of 0.001-0.003 parts of 10-15 parts, the modifying agent of 8-12 parts, the polyphenylene oxide of 10-15 parts, 35- 45 parts of makrolon, the coupling agent of 0.3-0.8 parts, the crosslinking agent of 0.1-0.3 parts；Described modifying agent is ethyl acetate with gathering The mixture of acrylic acid composition；The described polyphenylene oxide degree of polymerization is 300-500；Described polycarbonate polymerization degree is 1800- 2600；Described coupling agent is methacryloxypropyl trimethoxy silane coupling agent；Described crosslinking agent is 2,5- bis- The di-t-butyl hexane peroxide of methyl -2,5.
2. the polycarbonate modified cable material of tension according to claim 1, it is characterised in that described graphene weight Part is 0.002 part.
3. the polycarbonate modified cable material of tension according to claim 1, it is characterised in that described basalt fibre A diameter of 0.01-0.5 μm, length is 10-180 μm.
4. the polycarbonate modified cable material of tension according to claim 3, it is characterised in that described basalt fibre A diameter of 0.05-0.2 μm, length is 30-80 μm.
5. the polycarbonate modified cable material of tension according to claim 1, it is characterised in that second in described modifying agent The ratio between amount of material of acetoacetic ester and polyacrylic acid is 1 ︰ 2.
6. the polycarbonate modified cable material of tension according to claim 1, it is characterised in that described polyphenylene oxide gathers Right is 380-420.
7. the polycarbonate modified cable material of tension according to claim 6, it is characterised in that described polyphenylene oxide gathers Right is 400.
8. the polycarbonate modified cable material of tension according to claim 1, it is characterised in that the makrolon gathers Right is 2000-2400.
9. the polycarbonate modified cable material of tension according to claim 8, it is characterised in that the makrolon gathers Right is 2200.
10. a kind of preparation method of the polycarbonate modified cable material of any one of claim 1-9 tensions, its feature exist In comprising the following steps：
（1）Basalt fibre is modified with modifying agent and handles and dries；
（2）Basalt fibre Jing Guo modification is handled with coupling agent；
（3）Used after basalt fibre by coupling processing is well mixed with graphene, polyphenylene oxide, makrolon, crosslinking agent Extruder is extruded, and obtains the polycarbonate modified cable material of tension.
CN201711044724.6A 2017-10-31 2017-10-31 A kind of polycarbonate modified cable material of tension and preparation method thereof Withdrawn CN107841120A (en)

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CN201711044724.6A CN107841120A (en) 2017-10-31 2017-10-31 A kind of polycarbonate modified cable material of tension and preparation method thereof

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Application Number Priority Date Filing Date Title
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Application publication date: 20180327