CN104031335B - Polyvinyl chloride cable material - Google Patents
Polyvinyl chloride cable material Download PDFInfo
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- CN104031335B CN104031335B CN201410271008.1A CN201410271008A CN104031335B CN 104031335 B CN104031335 B CN 104031335B CN 201410271008 A CN201410271008 A CN 201410271008A CN 104031335 B CN104031335 B CN 104031335B
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Abstract
Disclosure one polyvinyl chloride cable sheathing compound, it is characterised in that: include the component of following weight portion: polyvinyl chloride resin: 100 parts, trioctyl trimellitate (TOTM): 35 parts, stabilizer: 5 parts, antimony oxide: 8 parts, Tissuemat E: 0.3 part, stearic acid: 0.2 part, bisphenol-A: 0.2 part, water-fast modifying agent: 12 parts, wherein nano barium sulfate: 2 parts, calcined kaolin: 7.5 parts, nano silicon: 2 parts, vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part；Described water-fast modifying agent is prepared by following steps: first, forms mixed powder by the nano barium sulfate of above-mentioned parts by weight, calcined kaolin and nano silicon mix homogeneously and at 90-100 DEG C of processed 3-5min；Then, the silane coupler silane of described parts by weight is sprayed to mixed powder surface and is stirred obtaining described water-fast modifying agent.The invention enables product to use under Soaking environment for a long time, and its mechanical stability is good, electric property is stable, and can adapt to the use environment of complexity, it is possible to water-fast for a long time.
Description
Technical field
The present invention relates to the technical field of insulated cable material, more particularly, it relates to a kind of polyvinyl chloride cable material.
Background technology
Polyvinyl chloride cable material disclosure satisfy that the demand of insulation and sheath substantially, but it is as the continuous expansion of electric wire range of application, the performance requirement of polyvinyl chloride cable material is also more and more higher, and the water-fast and fire resistance of polyvinyl chloride cable material especially of the prior art needs to be improved further.
The outdoors cable natural environment influence owing to being exposed to the sun and rain, therefore requires higher to every physical and chemical index of the insulant used, if desired for water-fast, and insulation and high insulating property etc. in water.Polyvinyl chloride resin itself has excellent water resistance, but must add all kinds of plasticizer, stabilizer, all kinds of filler (potter's clay, calcium carbonate etc.) owing to CABLE MATERIALS produces, and inevitably reduces the immersion electrical property of product.Prior art is generally adopted high-quality plasticizer, minimizing or the mode without filler, but product index performance is still difficult to meet requirement.
Summary of the invention
In order to solve the above-mentioned technical problem existed in prior art, it is an object of the invention to provide a kind of polyvinyl chloride cable material, this polyvinyl chloride cable material makes product to use under Soaking environment for a long time, and its mechanical stability is good, electric property is stable, and can adapt to the use environment of complexity, it is possible to water-fast for a long time.
In order to solve above-mentioned technical problem and realize above-mentioned purpose, the present invention adopts the following technical scheme that:
A kind of polyvinyl chloride cable material, including the component of following weight portion: polyvinyl chloride resin: 100 parts, trioctyl trimellitate (TOTM): 35 parts, stabilizer: 5 parts, antimony oxide: 8 parts, Tissuemat E: 0.3 part, stearic acid: 0.2 part, bisphenol-A: 0.2 part, water-fast modifying agent: 12 parts, wherein nano barium sulfate: 2 parts, calcined kaolin: 7.5 parts, nano silicon: 2 parts, vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part；
Described water-fast modifying agent is prepared by following steps:
First, by the nano barium sulfate of above-mentioned parts by weight, calcined kaolin and nano silicon mix homogeneously and at 90-100 DEG C of processed 3-5min formation mixed powder；
Then, the silane coupler silane of described parts by weight is sprayed to mixed powder surface and is stirred obtaining described water-fast modifying agent.
In technique scheme, further improvement opportunity scheme is as follows:
1., in such scheme, described polyvinyl chloride resin is selected from SG2 type polyvinyl chloride resin or SG3 type polyvinyl chloride resin.
2., in such scheme, described stabilizer is calcium zinc stabilizer or rare earth calcium zinc complex stabilizer.
3., in such scheme, described stabilizer is rare earth calcium zinc complex stabilizer.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
1. polyvinyl chloride cable material of the present invention, its plasticizer and filler all have certain water absorption, easily occur properties of product decline phenomenon in wet condition.The present invention considers the compatibility of raw material components and water, selects hydrophobic material；And to carrying out Surface coating process after powder predrainage, improve the hydrophobic performance of product, and then product can be used for a long time in wet environment.
2. polyvinyl chloride cable material of the present invention, is designed by the particular components of described water-fast modifying agent and cladding processes so that product can use for a long time under Soaking environment, and its mechanical stability is good, and electric property is stable.
3. the water-fast modifier material in polyvinyl chloride cable material of the present invention selects nanoscale raw material, improve the compactness of product, together with the stabilizer of application, wet environment has water resistant ageing properties and water resistant tree Forming ability, further increases stability and the life cycle of product.
Detailed description of the invention
Embodiment. below in conjunction with specific embodiment, technical scheme is further elaborated, but embodiments of the present invention are not limited to this.
Polyvinyl chloride cable material is prepared by method and prepares in the present embodiment: polyvinyl chloride resin is added high-speed mixer, start stirring at low speed, rotating speed 500rpm, add plasticizer, start high-speed stirred, rotating speed 1000rpm, treat that material temperature rises to 80 DEG C and adds other each component material, continue stirring in dry powdered form to 110 DEG C of materials of temperature, open baiting valve blowing.The compound being stirred puts that to carry out extrusion molding to twin screw mixing, subsequently into single multiple screw extruder pelletize, adopting the fervent prilling of die face, the particle made enters first order whirlwind cooling separator, second level whirlwind cooling separator, air-cooled vibrosieve, third level whirlwind cooling separator by blower fan conveyance conduit.Finally carry out finished product packing；Wherein, described water-fast modifying agent is prepared by following steps: first, the nano barium sulfate of above-mentioned parts by weight, calcined kaolin and nano silicon are put in high-speed mixer, mixed at high speed carries out dehydration 3 ~ 5min to temperature 90 ~ 100 DEG C, it is that powder is carried out cladding process by vaporific spraying in high-speed mixer by silane coupler, continues mixed at high speed and carry out material surface cladding process reaction 3 ~ 5min.Water-fast modifying agent is prepared after releasing material cooling.
Concrete technical scheme as:
SG3 type polyvinyl chloride resin: 100 parts, TOTM:35 part, rare earth calcium zinc complex stabilizer: 5 parts, antimony oxide: 8 parts, Tissuemat E: 0.3 part, stearic acid: 0.2 part, bisphenol-A: 0.2 part, water-fast modifying agent: 12 parts of (wherein nano barium sulfate: 2 parts, calcined kaolins: 7.5 parts, nano silicon: 2 parts, vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part).
CABLE MATERIALS makes electric wire through detection, and the physical property obtained is as follows.
Water resistance test adopts " ASTMD2219-02 electric wire and cable pvc material specification " 5.5 experimental conditions (electric current 60Hz frequency, temperature of soaking: 50 ± 1 DEG C).
(1), 1-14d change in dielectric constant rate be 1.5%, 7-14d change in dielectric constant rate is 0.3%, test result analysis: the accelerated water absorption test of product, change in dielectric constant rate much smaller than standard (1-14d, 10%；7-14d, 5%) requirement, product has good water resistance.
(2), specific insulation (GB/T1410-2006) ohm meter 1013, A: water inlet front volume resistivity is 2.7*1013；B: after immersion 1d, specific insulation is 2.7*1013；C: after immersion 14d, specific insulation is 2.6*1013。
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. a polyvinyl chloride cable sheathing compound, it is characterised in that: include the component of following weight portion: polyvinyl chloride resin: 100 parts, trioctyl trimellitate (TOTM): 35 parts, stabilizer: 5 parts, antimony oxide: 8 parts, Tissuemat E: 0.3 part, stearic acid: 0.2 part, bisphenol-A: 0.2 part, water-fast modifying agent: 12 parts, nano barium sulfate in described water-fast modifying agent: 2 parts, calcined kaolin: 7.5 parts, nano silicon: 2 parts, vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part；
Described water-fast modifying agent is prepared by following steps:
First, by the nano barium sulfate of above-mentioned parts by weight, calcined kaolin and nano silicon mix homogeneously and at 90-100 DEG C of processed 3-5min formation mixed powder；
Then, vinyl three ('beta '-methoxy ethyoxyl) silane of described parts by weight it is sprayed to mixed powder surface and is stirred obtaining described water-fast modifying agent.
2. the polyvinyl chloride cable sheathing compound described in claim 1, it is characterised in that: described polyvinyl chloride resin is selected from SG2 type polyvinyl chloride resin or SG3 type polyvinyl chloride resin.
3. the polyvinyl chloride cable sheathing compound described in claim 1, it is characterised in that: described stabilizer is calcium zinc stabilizer or rare earth calcium zinc complex stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271008.1A CN104031335B (en) | 2012-11-29 | 2012-11-29 | Polyvinyl chloride cable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271008.1A CN104031335B (en) | 2012-11-29 | 2012-11-29 | Polyvinyl chloride cable material |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210495901.3A Division CN102952357B (en) | 2012-11-29 | 2012-11-29 | Waterproof and flame-retarded PVC (polyvinyl chloride) cable material for data cable and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104031335A CN104031335A (en) | 2014-09-10 |
| CN104031335B true CN104031335B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410271008.1A Active CN104031335B (en) | 2012-11-29 | 2012-11-29 | Polyvinyl chloride cable material |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106751203A (en) * | 2016-12-20 | 2017-05-31 | 佛山市高明区塑料行业协会 | A kind of high impact-resistant modified polyvinyl chloride |
| CN107325451A (en) * | 2017-08-09 | 2017-11-07 | 安徽杰奥电气有限公司 | It is a kind of to improve the polyvinyl chloride cable sheathing compound of compression |
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| US5980362A (en) * | 1998-02-27 | 1999-11-09 | Interface, Inc. | Stencil for use in sandblasting stone objects |
| CN101286381A (en) * | 2007-10-29 | 2008-10-15 | 浙江万马高分子材料股份有限公司 | Highly flame-proof cable jacket material |
| CN101412834A (en) * | 2008-11-12 | 2009-04-22 | 江苏三角洲塑化有限公司 | High temperature resistant environment-protective polychloroethylene material for electric wire and cable |
| CN102336987A (en) * | 2011-07-18 | 2012-02-01 | 苏州华盈塑化有限公司 | High humidity tolerance, high electric performance and environment-friendly polyvinyl chloride insulation material for electric wires and cables |
| CN102453218A (en) * | 2010-10-26 | 2012-05-16 | 江苏中腾石英材料科技有限公司 | Preparation method of composite silane coupling agent modified silicon micropowder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS547303B1 (en) * | 1970-05-12 | 1979-04-05 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980362A (en) * | 1998-02-27 | 1999-11-09 | Interface, Inc. | Stencil for use in sandblasting stone objects |
| CN101286381A (en) * | 2007-10-29 | 2008-10-15 | 浙江万马高分子材料股份有限公司 | Highly flame-proof cable jacket material |
| CN101412834A (en) * | 2008-11-12 | 2009-04-22 | 江苏三角洲塑化有限公司 | High temperature resistant environment-protective polychloroethylene material for electric wire and cable |
| CN102453218A (en) * | 2010-10-26 | 2012-05-16 | 江苏中腾石英材料科技有限公司 | Preparation method of composite silane coupling agent modified silicon micropowder |
| CN102336987A (en) * | 2011-07-18 | 2012-02-01 | 苏州华盈塑化有限公司 | High humidity tolerance, high electric performance and environment-friendly polyvinyl chloride insulation material for electric wires and cables |
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| CN104031335A (en) | 2014-09-10 |
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