CN103849085B - Anti-rolling compaction sheathing compound and preparation method thereof - Google Patents
Anti-rolling compaction sheathing compound and preparation method thereof Download PDFInfo
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- CN103849085B CN103849085B CN201410079321.5A CN201410079321A CN103849085B CN 103849085 B CN103849085 B CN 103849085B CN 201410079321 A CN201410079321 A CN 201410079321A CN 103849085 B CN103849085 B CN 103849085B
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Abstract
The invention provides an anti-rolling compaction sheathing compound. The anti-rolling compaction sheathing compound is prepared by using high-polymerization-degree polyvinyl chloride resin as a main raw material and proportionally adding additives such as silicone powder serving as a wear-resistant material, dioctyl sebacate, trioctyl trimellitate, nanometer calcium carbonate, superfine modified calcium carbonate, a calcium-zinc compound stabilizer and antimonous oxide. The anti-rolling compaction sheathing compound has relatively good wear resistance and anti-rolling compaction performance. The invention also discloses a preparation method of the anti-rolling compaction sheathing compound.
Description
Technical field
The present invention relates to a kind of anti-rolling protective cover material and preparation method thereof, more particularly, to a kind of apply in electric wire anti-
Roll protective cover material and preparation method thereof.
Background technology
Cable (electric cable；Power cable) it is exhausted by the conductor of one or more mutually insulated and outsourcing
Edge oversheath is made, and electric power or information is transferred at one the wire at another place, for connecting circuit or circuit.In cable
During use, especially in building trade, often rolled by various, lead to cable life to shorten or even cause safety
Hidden danger.Due to traditional cable general using by PVC (polyvinylchloride) material as cable jacket sheath
Material, anti-rolling property is poor.For protecting cable, conventional method is to arrange an anti-rolling groove outside cable again, using very
Inconvenient.For overcoming above-mentioned difficulties, number of patent application is that 201310417724.1 Chinese patent application discloses a kind of resistance to car
The flexible cable quickly rolling, this flexible cable includes cable jacket layer, braided material layer, non-N pause fluid layer, steel band armour
Dress layer, inner sheath of cable and cable inner core, reach anti-rolling work by the non-N structure such as fluid layer and steel-tape armouring layer of pausing
With.However, this construction of cable and processing technology are all excessively complicated, relatively costly it is impossible to fundamentally solve the anti-stone roller of cable
Pressure problem.
Content of the invention
In view of this, the present invention is intended to provide a kind of anti-rolling protective cover material and preparation method thereof, fundamentally to solve
State technical problem.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：There is provided a kind of anti-rolling protective cover material, it is by such as
Lower component forms by weight：
Compared with prior art, the high poly- degree Corvic of the anti-rolling protective cover material of the present invention is primary raw material, adds
A small amount of silicone powder improves the performance that the wear-resistant pressure-resistant of cable grinds.Coordinated by corresponding auxiliary agent, and using advanced optimal
Powder body dissolution system principle, according to high poly- degree Corvic filling capacity, using nanometer and ultra-fine inserts, substantially completely
Gap between the high poly- degree Corvic molecule of filling.Inserts are made to reach dissolving in high poly- degree Corvic full
And state, outside the high poly- degree Corvic molecule of no unnecessary inserts distribution, make high poly- degree Corvic intermolecular
Basic tight, so that anti-rolling protective cover material can reach optimal external force resistance impact property, reaches wear-resisting and resistance to compression stone roller mesh
, keep optimal mechanical property.It is suitable for the adverse circumstances such as shock resistance, resistance to compression stone roller, cold, it is larger to can be used for current-carrying capacity,
In building below 600V rated or the transmission and distribution circuit of underground.There is compared with traditional polyvinyl chloride cable material high property
The high feature of energy, low cost, productivity effect.
A kind of preparation method of anti-rolling as mentioned protective cover material, it comprises the steps：
According to parts by weight by 15～20 parts of nano-calcium carbonates, 10～15 parts of superfine modified Calcium Carbonate, 2～5 parts of silicone powder,
5～6 parts of calcium-zinc composite stabilizing agents, 0.5～0.6 part of lubricant and 2～3 parts of antimony oxides put into stirrer for mixing stirring,
Then add 20～30 parts of di-n-octyl sebacates, 30～35 parts of trioctyl trimellitate (TOTM)s, be eventually adding 100 parts high poly- degree polychlorostyrene
Vinyl.
Stirring at low speed 3-5 minute to mixed at high speed, when temperature reaches 80-90 degree Celsius.
When temperature reaches 80-90 degree Celsius, open the valve of blender after being stirred for 15-20 minute, by mix
Material extrusion.
With pelleter, the material of extrusion is carried out pelletizing and obtain this anti-rolling protective cover material.
Anti-rolling protective cover material provided by the present invention is adjusted by raw material and process optimization is so that by this anti-rolling protective cover material
The cable that preparation is formed can bear the grinding pressure of many times of the cable being formed by the preparation of common PVC protective cover material, so that being resisted by this
Roll protective cover material preparation formed cable need not design complexity structure can reach anti-rolling purpose, and structure with preparation work
Skill is all relatively simple, and cost is relatively low, can fundamentally solve the anti-rolling problem of cable.
Brief description
Fig. 1 is the cross-sectional structure schematic diagram of the cable of the application anti-rolling protective cover material of the embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention provides a kind of anti-rolling protective cover material, is made up of by weight following component：
The selection of polrvinyl chloride (PVC) resin：Universal Corvic be by Vinyl Chloride Monomer initiator work
With lower polymerization formation；And high degree of polymerization of polyvinyl chloride resin refers to add chain extender to gather in polymerization of vinyl choride monomer system
The resin closing.The big more options of its resin of common cable jacket material are made up of universal Corvic, according to this
The use environment of bright product, the anti-rolling protective cover material for making the present invention has the features such as cold-resistant, resistance to compression stone roller, high fire-retardance, the present invention
Select high degree of polymerization of polyvinyl chloride resin.Compared with universal Corvic, using high degree of polymerization of polyvinyl chloride resin, no
It is only capable of improving the physical property of resin moreover it is possible to improve the dissolubility of resin and powder body material, and then can fill more in resin
Solid material and resin compatible, thus improving the mechanical strength of anti-rolling protective cover material, strengthen anti-rolling protective cover material anti-rolling
Performance.
The selection of plasticizer：For making this anti-rolling protective cover material have tolerance to cold and heat-resisting quantity it is desirable to its plasticizer simultaneously
Not only freezing point is low, cold tolerance is good, must also thermostability is high, volatility is little.According to above-mentioned requirements, selective volatilization of the present invention
The trioctyl trimellitate (TOTM) of tensile strength that is little, heat-resist and can improving anti-rolling protective cover material, as primary plasticizer, selects resistance to
The cold good and little di-n-octyl sebacate of performance property is as extender plasticizer.
The selection of anti-wear agent：Grind performance for making the anti-rolling protective cover material of the present invention have higher resistance to compression, improve high poly- degree poly-
The softness of vinyl chloride resin；The present invention utilizes advanced optimal powder body dissolution system principle, according to high poly- degree polychlorostyrene second
The filling capacity of olefine resin, using nanometer and ultra-fine silicone powder as inserts, is filled up completely with high poly- degree Corvic and divides
Gap between son, makes inserts reach dissolving saturation in high poly- degree Corvic.Inserts have been avoided to be distributed
Outside high poly- degree Corvic, make the high poly- degree intermolecular basic tight of Corvic.So that anti-rolling sheath
Material reaches optimal external force resistance impact property, reaches and makes anti-rolling protective cover material have wear-resisting and resistance to compression stone roller performance purpose.Therefore
Have selected the resistance to compression stone roller performance that silicone powder can significantly improve this anti-rolling protective cover material as anti-wear agent.
The selection of filler：Select nano-calcium carbonate and superfine modified Calcium Carbonate, high poly- degree polychlorostyrene can be filled further
Space in vinyl.Described superfine modified Calcium Carbonate, its particle diameter is 2000 mesh, and compared to nano-calcium carbonate, its particle diameter is more
Little, oil factor is low, good dispersion, can reinforcement, belong to modified and cross, activated Calcium carbonate, with nano-calcium carbonate cooperation, height can be filled
The space of different pore size in poly- degree Corvic.
The selection of lubricant：Select lubricant primarily to prevent the anti-rolling oversheath from not peeling or with contact
Insulating barrier produces adhesion phenomenon, and its selection does not limit, as long as above-mentioned functions can be met.
The selection of flame-retardant system：Contain chlorine atom on high poly- degree Corvic main chain, itself have certain fire-retardant
Property.Add fire retardant antimony oxide in anti-rolling protective cover material, its fire resistance can be improved further.This anti-rolling sheath
The antimony oxide of high-purity superfine is adopted, it is possible to reduce consumption, simultaneously more embedded high poly- degree Corvic in material
In molecular structure, increase distribution consistency degree, reach more effective flame retardant effect.
Compared with prior art, the anti-rolling protective cover material of the present invention gathers degree Corvic as primary raw material with height, plus
Enter a small amount of silicone powder and improve the performance that the wear-resistant pressure-resistant of cable grinds.Coordinated by corresponding auxiliary agent, and using advanced optimal
Powder body dissolution system principle, according to high poly- degree Corvic filling capacity, using nanometer and ultra-fine inserts, substantially complete
Gap between the high poly- degree Corvic molecule of full packing.Inserts are made to reach dissolving in high poly- degree Corvic
Saturation, outside the high poly- degree Corvic molecule of no unnecessary inserts distribution, makes high poly- degree Corvic molecule
Between basic tight so that anti-rolling protective cover material can reach optimal external force resistance impact property, reach what wear-resisting and resistance to compression was ground
Purpose, keeps optimal mechanical property.It is suitable for the adverse circumstances such as shock resistance, resistance to compression stone roller, cold, can be used for current-carrying capacity larger
, in building below 600V rated or the transmission and distribution circuit of underground.Have compared with traditional polrvinyl chloride oversheath material
The high feature of high-performance, low cost, productivity effect.
The preparation method of described anti-rolling protective cover material comprises the steps：
Step one：According to parts by weight by 15～20 parts of nano-calcium carbonates, 10～15 parts of superfine modified Calcium Carbonate, 2～5 parts
Silicone powder, 5～6 parts of calcium-zinc composite stabilizing agents, 0.5～0.6 part of lubricant and 2～3 parts of antimony oxides put in blender and mix
Close stirring, then add 20～30 parts of di-n-octyl sebacates, 30～35 parts of trioctyl trimellitate (TOTM)s, be eventually adding 100 parts high
Poly- degree Corvic.
Step 2：Stirring at low speed 3-5 minute to mixed at high speed, when temperature reaches 80-90 degree Celsius.
Step 3：When temperature reaches 80-90 degree Celsius, open the valve of blender after being stirred for 15-20 minute, will mix
The material extrusion getting togather.
Step 4：With pelleter, the material of extrusion is carried out pelletizing and obtain this anti-rolling protective cover material.
The anti-rolling protective cover material of gained is carried out resistance to air aging performance test in high temperature ageing stove, aging front anti-rolling
The percentage elongation of protective cover material is 100%, tensile strength 10.3Mpa (15000lbf/in2).After 10 days aging, percentage elongation is minimum
Rate of change is 65% (according to the section of dumbbell knife, minimum rate of change is 45%), and tensile strength minimum rate of change is 70%.From with
The anti-rolling protective cover material of sheath that upper test data can be seen that the present invention is adjusted by raw material and process optimization, and anti-ageing rate is not
Only comply fully with application requirement, lifting is also obtained.
Refer to Fig. 1, be a kind of structural representation of cable 100, wherein, described cable 100 includes three cores and bag
Cover the oversheath 10 of this three cores.The longitudinal center line of described three cores is disposed on the same plane, and defines this three lines
Core is respectively live wire 20, zero line 30 and ground wire 40.Described ground wire 40 is arranged between described live wire 20 and zero line 30.Described live wire
20 include wire 21 and the PVC insulating barrier 22 and the nylon sheath wire 23 that coat this wire 21 successively；Described zero line 30 includes wire 31
And coat PVC insulating barrier 32 and the nylon sheath wire 33 of this wire 31 successively.Wherein, described oversheath average thickness is 0.76 milli
Rice.The average thickness of described PVC insulating barrier 22,32 is 0.64 millimeter.The averagely thick of described nylon sheath wire 23,33 is 0.12 milli
Rice.
Anti-rolling protective cover material in traditional PVC and the present embodiment is applied respectively described in preparing in described cable 100
Oversheath 10, other conditions are constant.Wherein, the cable 100 made by anti-rolling protective cover material in definition application the present embodiment is
Embodiment 1, the cable 100 made by the traditional PVC of definition application is comparative example 1.
Two kinds of cables 100 are tested, test result is as follows：
The anti-rolling protective cover material of sheath that can be seen that the present invention from the test data of above example 1 and comparative example 1 passes through
Raw material adjustment and process optimization are so that can be born by common PVC protective cover material by the cable 100 that this anti-rolling protective cover material preparation is formed
The grinding pressure of nearly four times of the cable 100 that preparation is formed, so that the cable 100 being formed by this anti-rolling protective cover material preparation need not
The complicated structure of design can reach anti-rolling purpose, and structure is all relatively simple with preparation technology, and cost is relatively low, can be from root
The anti-rolling problem of cable 100 is solved on basis.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of anti-rolling protective cover material is it is characterised in that it is made up of by weight following component：
2. a kind of preparation method of anti-rolling as claimed in claim 1 protective cover material is it is characterised in that it comprises the steps：
According to parts by weight by 15～20 parts of nano-calcium carbonates, 10～15 parts of superfine modified Calcium Carbonate, 2～5 parts of silicone powder, 5～6
Part calcium-zinc composite stabilizing agent, 0.5～0.6 part of lubricant and 2～3 parts of antimony oxides put into stirrer for mixing stirring, then
Add 20～30 parts of di-n-octyl sebacates, 30～35 parts of trioctyl trimellitate (TOTM)s, be eventually adding 100 parts high poly- degree polrvinyl chloride
Resin；
Stirring 3-5 minute, when temperature reaches 80-90 degree Celsius；
When temperature reaches 80-90 degree Celsius, open the valve of blender after being stirred for 15-20 minute, the material mixing is squeezed
Go out；
With pelleter, the material of extrusion is carried out pelletizing and obtain this anti-rolling protective cover material.
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| CN201410079321.5A CN103849085B (en) | 2014-03-06 | 2014-03-06 | Anti-rolling compaction sheathing compound and preparation method thereof |
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| CN201410079321.5A CN103849085B (en) | 2014-03-06 | 2014-03-06 | Anti-rolling compaction sheathing compound and preparation method thereof |
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| CN106496843A (en) * | 2016-10-10 | 2017-03-15 | 杭州高新橡塑材料股份有限公司 | High abrasion, the special flexible polyvinyl chloride cable material of oil-resisting type automobile cable and manufacture method |
| CN112194859A (en) * | 2020-09-24 | 2021-01-08 | 镇江市华银仪表电器有限公司 | Wear-resistant and rolling-resistant cable sheath material |
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| JPS6394503A (en) * | 1986-10-07 | 1988-04-25 | 信越化学工業株式会社 | Cover conductor for vehicle |
| CN102964723B (en) * | 2012-11-29 | 2014-06-18 | 江苏亨通线缆科技有限公司 | Polyvinyl chloride (PVC) cable material for automobile data transmission wire |
| CN103073815B (en) * | 2012-12-13 | 2014-11-05 | 苏州亨利通信材料有限公司 | 105DEG C insulation material for automobile wires, and its preparation technology |
| CN105802056A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Low-odor cable sheath sizing material for electric wires |
| CN103275411A (en) * | 2013-02-27 | 2013-09-04 | 宁波卡倍亿电气技术有限公司 | PVC for ultra thin wall automobile wire |
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