CN103849085A - 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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- CN103849085A CN103849085A CN201410079321.5A CN201410079321A CN103849085A CN 103849085 A CN103849085 A CN 103849085A CN 201410079321 A CN201410079321 A CN 201410079321A CN 103849085 A CN103849085 A CN 103849085A
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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-roll sheath material and preparation method thereof, relate in particular to a kind of anti-sheath material and preparation method thereof that rolls that is applied in electric wire.
Background technology
Cable (electric cable; Power cable) be to be made by the conductor of one or more mutually insulated and outsourcing insulation oversheath, electric power or information, from a wire that is transferred to another place, are used for to connecting circuit or circuit.In the use procedure of cable, especially, in building trade, often can be subject to various rolling, cause cable life to shorten and even cause potential safety hazard.Because traditional cable generally adopts by PVC(polyvinylchloride) material is as the sheath material of cable jacket, and anti-rolling property is poor.For protection cable, conventional method is to arrange one anti-ly to roll groove in cable outside again, uses very inconvenient.For overcoming above-mentioned difficulties, number of patent application is that 201310417724.1 Chinese patent application has disclosed the flexible cable that a kind of resistance to vehicle rolls fast, this flexible cable comprises cable jacket layer, knit layer, non-N pause stream layer, steel-tape armouring layer, cable sheath and cable inner core, reaches the anti-effect rolling by the non-N structure such as stream layer and steel-tape armouring layer of pausing.But this construction of cable and manufacture craft are all too complicated, cost is higher, can not fundamentally solve the anti-problem that rolls of cable.
Summary of the invention
In view of this, the present invention aims to provide and a kind of anti-rolls sheath material and preparation method thereof, fundamentally to solve the problems of the technologies described above.
The present invention solves the problems of the technologies described above adopted technical scheme: provide a kind of resisting to roll sheath material, it is made up of by weight following component:
Compared with prior art, of the present invention anti-to roll the high poly-degree polyvinyl chloride (PVC) RESINS of sheath material be main raw material, the performance that the wear-resistant pressure-resistant that adds a small amount of copper silicon powder to improve cable grinds.Coordinate by corresponding auxiliary agent, and adopt advanced best powder dissolution system principle, according to the poly-degree of high polyvinyl chloride (PVC) RESINS filling capacity, adopt nanometer and ultra-fine stopping composition, fill the gap between high poly-degree polyvinyl chloride (PVC) RESINS molecule substantially completely.Make stopping composition reach dissolving state of saturation in the poly-degree of high polyvinyl chloride (PVC) RESINS, distribute outside high poly-degree polyvinyl chloride (PVC) RESINS molecule without unnecessary stopping composition, make the intermolecular basic tight of high poly-degree polyvinyl chloride (PVC) RESINS, thereby make anti-roll sheath material and can reach best external force resistance impact property, reach object wear-resisting and that resistance to compression is ground, keep best mechanical property.Be suitable for that shock resistance, resistance to compression are ground, the severe environment such as cold, can be used for current capacity larger, in the buildings below 600V rated or underground transmission and distribution circuit.There is high-performance, low cost, feature that productivity effect is high compared with traditional polyvinyl chloride cable material.
As described in an anti-preparation method who rolls sheath material, it comprises the steps:
According to parts by weight, 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 antimonous oxides being dropped into stirrer for mixing stirs, and then add 20～30 parts of dioctyl sebacates, 0～35 part of trioctyl trimellitate, finally add 100 parts high poly-degree polyvinyl chloride (PVC) RESINS.
Stirring at low speed 3-5 minute to high-speed mixing, until temperature is while reaching 80-90 degree Celsius.
In the time that temperature reaches 80-90 degree Celsius, then stir the valve of opening stirrer after 15-20 minute, the material mixing is extruded.
With dicing machine, the material of extruding is carried out to pelletizing and obtain this anti-sheath material that rolls.
Provided by the present inventionly anti-roll sheath material and adjust and process optimization by raw material, make prepare the cable forming and can bear the grinding pressure of being prepared many times, the cable that forms by common PVC sheath material by this anti-sheath material that rolls, thereby make prepare the cable that forms and can reach and resist the object rolling without designing complicated structure by this anti-sheath material that rolls, and structure and preparation technology are comparatively simple, cost is lower, can fundamentally solve the anti-problem that rolls of cable.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the anti-cable that rolls sheath material of the application embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of resisting to roll sheath material, is made up of by weight following component:
The selection of polyvinyl chloride (PVC) resin: universal polyvinyl chloride (PVC) RESINS is to be formed by vinyl chloride monomer polymerization under the effect of initiator; And polychloroethylene with high polymerization degree resin refers to the resin that adds chain propagation agent to be polymerized in polymerization of vinyl choride monomer system.The large more options of its resin of common cable jacket material are made up of universal polyvinyl chloride (PVC) RESINS, the environment for use of product according to the present invention, for making the anti-sheath material that rolls of the present invention have the features such as cold-resistant, resistance to compression stone roller, high flame retardant, the present invention selects polychloroethylene with high polymerization degree resin.Compared with universal polyvinyl chloride (PVC) RESINS, adopt polychloroethylene with high polymerization degree resin, can not only improve the physicals of resin, can also improve the solubleness of resin and powder body material, and then can in resin, fill more solid material and resin compatible, thereby improve the anti-physical strength that rolls sheath material, strengthen the anti-anti-performance that rolls that rolls sheath material.
The selection of softening agent: for make this anti-roll sheath material and have winter hardiness and high thermal resistance simultaneously, not only zero pour is low, cold tolerance is good to require its softening agent, also must thermotolerance high, volatility is little.According to above-mentioned requirements, selective volatilization of the present invention is little, good heat resistance and the trioctyl trimellitate that can improve the anti-tensile strength that rolls sheath material be as primary plasticizer, selects winter hardiness is good and the property brought into play is little dioctyl sebacate as extender plasticizer.
The selection of anti-wear agent: for making the anti-sheath material that rolls of the present invention there is higher resistance to compression stone roller performance, improve the softness of high poly-degree polyvinyl chloride (PVC) RESINS; The present invention utilizes advanced best powder dissolution system principle, according to the filling capacity of the poly-degree of high polyvinyl chloride (PVC) RESINS, adopt nanometer and ultra-fine copper silicon powder as stopping composition, fill the gap between high poly-degree polyvinyl chloride (PVC) RESINS molecule completely, make stopping composition reach dissolving state of saturation in the poly-degree of high polyvinyl chloride (PVC) RESINS.Avoid stopping composition to be distributed in outside high poly-degree polyvinyl chloride (PVC) RESINS, made the intermolecular basic tight of high poly-degree polyvinyl chloride (PVC) RESINS.Thereby make anti-roll sheath material and reach best external force resistance impact property, reach and make the anti-object that rolls sheath material and there is wear-resisting and resistance to compression and grind performance.Therefore select copper silicon powder can significantly improve this anti-resistance to compression that rolls sheath material as anti-wear agent and ground performance.
The selection of weighting agent: select nano-calcium carbonate and superfine modified calcium carbonate, can further fill the space in high poly-degree polyvinyl chloride (PVC) RESINS.Described superfine modified calcium carbonate, its particle diameter is 2000 orders, compared to nano-calcium carbonate, its particle diameter is less, oil-absorption(number) is low, good dispersity, can reinforcement, belong to modification, activated Calcium carbonate, coordinates with nano-calcium carbonate, can fill the space of different pore size in high poly-degree polyvinyl chloride (PVC) RESINS.
The selection of lubricant: select lubricant be mainly for prevent anti-roll that oversheath is not peeled or with insulation layer generation adhesion phenomenon contact with it, its selection is not limit, as long as can meet above-mentioned functions.
The selection of flame-retardant system: contain chlorine atom on high poly-degree polyvinyl chloride (PVC) RESINS main chain, itself there is certain flame retardant resistance.Add fire retardant antimonous oxide anti-in rolling sheath material, can further improve its flame retardant properties.Originally resist and roll the antimonous oxide that adopts high-purity superfine in sheath material, can reduce consumption, more easily embed height simultaneously and gather in degree polyvinyl chloride (PVC) RESINS molecular structure, increase distribution consistency degree, reach more effective flame retardant effect.
Compared with prior art, the anti-sheath material that rolls of the present invention, take the poly-degree of high polyvinyl chloride (PVC) RESINS as main raw material, adds a small amount of copper silicon powder to improve the performance of the wear-resistant pressure-resistant stone roller of cable.Coordinate by corresponding auxiliary agent, and adopt advanced best powder dissolution system principle, according to the poly-degree of high polyvinyl chloride (PVC) RESINS filling capacity, adopt nanometer and ultra-fine stopping composition, fill the gap between high poly-degree polyvinyl chloride (PVC) RESINS molecule substantially completely.Make stopping composition reach dissolving state of saturation in the poly-degree of high polyvinyl chloride (PVC) RESINS, distribute outside high poly-degree polyvinyl chloride (PVC) RESINS molecule without unnecessary stopping composition, make the intermolecular basic tight of high poly-degree polyvinyl chloride (PVC) RESINS, thereby make anti-roll sheath material and can reach best external force resistance impact property, reach object wear-resisting and that resistance to compression is ground, keep best mechanical property.Be suitable for that shock resistance, resistance to compression are ground, the severe environment such as cold, can be used for current capacity larger, in the buildings below 600V rated or underground transmission and distribution circuit.There is high-performance, low cost, feature that productivity effect is high compared with traditional polyvinyl chloride oversheath material.
The described anti-preparation method who rolls sheath material comprises the steps:
Step 1: according to parts by weight, 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 antimonous oxides are dropped into stirrer for mixing and stir, and then add 20～30 parts of dioctyl sebacates, 0～35 part of trioctyl trimellitate, finally add 100 parts high poly-degree polyvinyl chloride (PVC) RESINS.
Step 2: stirring at low speed 3-5 minute to high-speed mixing, until temperature is while reaching 80-90 degree Celsius.
Step 3: in the time that temperature reaches 80-90 degree Celsius, then stir the valve of opening stirrer after 15-20 minute, the material mixing is extruded.
Step 4: with dicing machine, the material of extruding is carried out to pelletizing and obtain this anti-sheath material that rolls.
The anti-sheath material that rolls of gained is carried out to resistance to air aging performance test in high temperature ageing stove, and the aging front anti-elongation that rolls sheath material is 100%, tensile strength 10.3Mpa(15000lbf/in2).After aging through 10 days, adopt the section of dumbbell cutter if elongation minimum rate of change is 65%(, minimum rate of change is 45%), tensile strength minimum rate of change is 70%.Can find out from above test data, sheath of the present invention is anti-to roll sheath material and adjusts and process optimization by raw material, and anti-ageing rate not only meets application requiring completely, is also improved.
Referring to Fig. 1, is a kind of structural representation of cable 100, and wherein, described cable 100 comprises the oversheath 10 of three cores and coated these three cores.The longitudinal center line setting of described three cores at grade, defines these three cores and 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 comprises wire 21 and is coated successively PVC insulation layer 22 and the nylon sheath wire 23 of this wire 21; Described ground wire 30 comprises wire 31 and is coated successively PVC insulation layer 32 and the nylon sheath wire 33 of this wire 31.Wherein, described oversheath mean thickness is 0.76 millimeter.The mean thickness of described PVC insulation layer 22,32 is 0.64 millimeter.The average thick of described nylon sheath wire 23,33 is 0.12 millimeter.
Anti-in traditional PVC and the present embodiment rolled to sheath material and be applied in respectively in described cable 100 and prepare described oversheath 10, other conditions are constant.Wherein, the anti-made cable of sheath material 100 that rolls in definition application the present embodiment is for embodiment 1, and the made cable 100 of definition application conventional P VC is comparative example 1.
Two kinds of cables 100 are tested, and test result is as follows:
Can find out from the test data of above embodiment 1 and comparative example 1, sheath of the present invention is anti-to roll sheath material and adjusts and process optimization by raw material, make prepare the cable 100 forming and can bear the grinding pressure of being prepared nearly four times of the cable 100 that forms by common PVC sheath material by this anti-sheath material that rolls, thereby make prepare the cable 100 that forms and can reach and resist the object rolling without designing complicated structure by this anti-sheath material that rolls, and structure and preparation technology are comparatively simple, cost is lower, can fundamentally solve the anti-problem that rolls of cable 100.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. resist and roll a sheath material, it is characterized in that, it is made up of by weight following component:
2. an anti-preparation method who rolls sheath material as claimed in claim 1, is characterized in that, it comprises the steps:
According to parts by weight, 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 antimonous oxides being dropped into stirrer for mixing stirs, and then add 20～30 parts of dioctyl sebacates, 0～35 part of trioctyl trimellitate, finally add 100 parts high poly-degree polyvinyl chloride (PVC) RESINS;
Stir 3-5 minute, until temperature is while reaching 80-90 degree Celsius;
In the time that temperature reaches 80-90 degree Celsius, then stir the valve of opening stirrer after 15-20 minute, the material mixing is extruded;
With dicing machine, the material of extruding is carried out to pelletizing and obtain this anti-sheath material that rolls.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| US4937142A (en) * | 1986-10-07 | 1990-06-26 | Shin Etsu Chemical Co., Ltd. | Covered lead wire for vehicles |
| CN102964723A (en) * | 2012-11-29 | 2013-03-13 | 江苏亨通线缆科技有限公司 | Polyvinyl chloride (PVC) cable material for automobile data transmission wire |
| CN103059459A (en) * | 2012-12-13 | 2013-04-24 | 苏州亨利通信材料有限公司 | Polyvinyl chloride insulating layer for automotive electric wire |
| CN103073815A (en) * | 2012-12-13 | 2013-05-01 | 苏州亨利通信材料有限公司 | 105DEG C insulation material for automobile wires, and its preparation technology |
| 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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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4937142A (en) * | 1986-10-07 | 1990-06-26 | Shin Etsu Chemical Co., Ltd. | Covered lead wire for vehicles |
| CN102964723A (en) * | 2012-11-29 | 2013-03-13 | 江苏亨通线缆科技有限公司 | Polyvinyl chloride (PVC) cable material for automobile data transmission wire |
| CN103059459A (en) * | 2012-12-13 | 2013-04-24 | 苏州亨利通信材料有限公司 | Polyvinyl chloride insulating layer for automotive electric wire |
| CN103073815A (en) * | 2012-12-13 | 2013-05-01 | 苏州亨利通信材料有限公司 | 105DEG C insulation material for automobile wires, and its preparation technology |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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