CN103073825A - Composition for solid plasticized high-flame-retardant PVC sheath material and preparation method of composition - Google Patents
Composition for solid plasticized high-flame-retardant PVC sheath material and preparation method of composition Download PDFInfo
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- CN103073825A CN103073825A CN2013100364925A CN201310036492A CN103073825A CN 103073825 A CN103073825 A CN 103073825A CN 2013100364925 A CN2013100364925 A CN 2013100364925A CN 201310036492 A CN201310036492 A CN 201310036492A CN 103073825 A CN103073825 A CN 103073825A
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Abstract
The invention relates to a composition for a solid plasticized high-flame-retardant PVC (polyvinyl chloride) sheath material and a preparation method of the composition, and belongs to the technical field of cable materials. According to the composition and the preparation method, an Am-168 solid plasticizer and sodium antimonide flame retardant are introduced into the high-flame-retardant PVC cable sheath material; the traditional fire retardant damages other properties of the material while achieving the flame-retardant purpose; however, sodium antimonide does not affect body properties of the material while achieving the flame-retardant modification purpose due to a structure and constituent characteristics of sodium antimonide; the compatibility and adhesive strength with plastic are improved greatly; the dispersity is good; a loading level can be raised; the impregnating property is good; the mixing time is short; uniform flowing is realized in a mold; and forming is good. Mechanical properties of the material are improved, and the composite high-flame-retardant cable sheath material prepared by the composition for the composite high-flame-retardant cable sheath material has good mechanical properties and flame resistance.
Description
Technical field
The present invention relates to a kind of solid plasticising high flame retardant PVC sheath material composition and method of making the same, belong to the CABLE MATERIALS technical field.
Technical background
Soft PVC plastic for electric wire and cable, produce in a large number as a large class of polyvinyl chloride soft goods, along with developing rapidly of electric wire industry, kind to the CABLE MATERIALS goods, working conditions is more and more higher, steamer particularly, in the work such as aviation, the demand of high oxygen index fire-resistant cable material is increasing, this kind is come out abroad already, domesticly all this product is being inquired in part producing producer and R﹠D institution, but because aging resistance, flame retardant properties and processing performance are all unstable, particularly the unwrapping wire outward appearance is both matt, and the particle that is difficult to plastify is arranged again, causes this quality product not pass a test, main to satisfy the demand of cable factory by import at present, for this situation, consider based on development of national industry and the market requirement again, develop the high flame retardant polyvinyl chloride sheath material and seem particularly urgent and important, study novel flame-retardant system, development environment-friendly cable electric wire flame-retarded technology has become fire-retardant the reach of science trend.
Solid plasticising flame-retardant system becomes one of a kind of emerging system, generally is comprised of acid source, carbon source and source of the gas.Ammonium polyphosphate is the most frequently used acid source and source of the gas, and tetramethylolmethane is the most frequently used carbon source; The fire retardant mechanism of IFR is that the acid source that is heated to certain temperature can discharge acid and promotes into charcoal with polyvalent alcohol esterification dehydration, expands under the effect of the rare gas element that discharges of source of the gas very much, forms the charcoal layer with the effect of heat insulation resistance oxygen.Because its addition is larger, so the mechanical property of material is subject to greater loss.So seek a kind of novel fire-retardant synergistic weighting material that has, improve its flame retarding efficiency, can replenish owing to adding the caused mechanical property loss of energy of expanding fire retardant simultaneously, be a very significant job.
Summary of the invention
The purpose of this invention is to provide a kind of solid plasticising high flame retardant PVC sheath material composition and method of making the same, solve existing high flame retardant sheath material because of the conventional flame retardant that adopts reach improve fire-retardant purpose in take other performance of damaging this material as cost, there are the mechanical property of material, the deficiency that extrusion performance is subject to greater loss, realize when further improving the flame retardant properties of material by the present invention, do not affect the material body performance, the mechanical property of strongthener and extrusion performance, Improving The Quality of Products.
The objective of the invention is to be achieved through the following technical solutions, a kind of solid plasticising high flame retardant PVC sheath material composition, it is characterized in that, described composition comprises the 50-55% polyvinyl chloride (PVC) RESINS base-material of mass percent, the anti-aging agent of 0.5-1%, the properties-correcting agent of 0.5-1%, the stablizer of 2-5%, the TDE fire retardant of 2-5%, the solid plasticizer of 5-7.5%, the flame-retardant plasticizer of 15-20%, the fire retardant of 5-10%, the antimonous oxide fire retardant of 5-7.5%, the releasing agent of 0.5-1%; The fire retardant of 5-10% adopts antimony sodium inorganic combustion inhibitor, and anti-aging agent adopts phosphorous acid one benzene dibutyl ester, and releasing agent adopts Zinic stearas, and solid plasticizer adopts " Am-168 solid plasticizer ".
2, solid plasticising high flame retardant PVC sheath material is characterized in that with the preparation method of composition, and described method may further comprise the steps successively:
1) the antimony sodium of the described mass percent of claim 1, solid plasticizer, anti-aging agent are added in the high-speed stirring companion machine mixed many 2 minutes;
2) above-mentioned 1) add in the compound in the homogenizer to mix after the polyvinyl chloride (PVC) RESINS, flame-retardant plasticizer, TDE fire retardant of the described mass percent of claim 1 and be no less than 3 minutes;
3) above-mentioned 2) add in the compound in the homogenizer to mix behind the antimonous oxide, stablizer, releasing agent, properties-correcting agent of the described mass percent of claim 1 and be no less than 3 minutes;
4) with above-mentioned 3) material that mixes joins melt blending in the extruding machine of two rank, and blending temperature is 110 ℃-140 ℃, granulating and forming.
The present invention is in Am-168 solid plasticizer, the fire-retardant introducing high flame retardant of the antimony sodium PVC cable jacket material, and antimony sodium is a kind of ultra-fine addition type inorganic combustion inhibitor of novel, excellent performance, and flame retardant rating reaches the V0 level.Compared following advantage with antimonous oxide: decomposition temperature reaches 340 degrees centigrade, and good to the dipping of glass, mixing time is short, flow in the mould even, forming.Therefore has potential using value aspect flame retardance of polymer and the process flowability.Traditional fire retardant reach improve fire-retardant purpose in take other performance of damaging this material as cost, and antimony sodium is because the characteristic of self structure and composition, reaching the flame-retardant modified purpose while, do not affect the material body performance, consistency and bonding force with plastic cement have greatly been improved, good dispersity, can increase loading level, dipping property is good, mixing time is short, flows in the mould evenly, forming.Strengthened simultaneously the mechanical property of material, and technique is simple, convenient operation control, material cost is low, wide material sources.Polyvinyl chloride is the base material of CABLE MATERIALS, oxidation inhibitor play prevent that irradiation oxidation and degraded, releasing agent are conducive to process, solid plasticizer is the PVC high flame-retardant cable material the surface compact agent, antimony sodium is for strengthening fire retardant.Adopt compound highly flame-proof cable jacket material of the present invention with the compound high flame-retardant cable oversheath material of composition preparation good mechanical property and flame retardant properties to be arranged.
Specific implementation method
Further specify in conjunction with the embodiments the present invention, the present invention includes the polyvinyl chloride (PVC) RESINS base-material of the 50-55% of mass percent, the anti-aging agent of 0.5-1%, the properties-correcting agent of 0.5-1%, the stablizer of 4-8%, the TDE fire retardant of 2-5%, the solid plasticizer of 5-7.5%, the flame-retardant plasticizer of 15-25%, the antimony sodium fire retardant of 5-10%, the antimonous oxide fire retardant of 5-7.5%, the releasing agent of 0.5-1%.The fire retardant of 5-10% adopts antimony sodium inorganic combustion inhibitor, and anti-aging agent adopts phosphorous acid one benzene dibutyl ester, and releasing agent adopts Zinic stearas, and solid plasticizer adopts " Am-168 solid plasticizer ".
Embodiment one, weighs by mass percentage 8% antimony sodium inorganic combustion inhibitor, mixes in 7% solid plasticizer, 1% the anti-aging agent adding homogenizer and is no less than 2 minutes; Weigh 50% polyvinyl chloride (PVC) RESINS, 25% flame-retardant plasticizer, 5% TDE fire retardant are poured into to mix in the homogenizer and are no less than 3 minutes again; Then adding successively 5% antimonous oxide, 6% stablizer, 0.5% properties-correcting agent, 0.5% releasing agent mixes and is no less than 3 minutes; Flame-retardant plasticizer is tricresol phosphate fat, and solid plasticizer is " Am-168 solid plasticizer ", and releasing agent is calcium stearate.The material that mixes is joined in the extruding machine of two rank, carry out melt blending, make the composition that high flame retardant PVC cable jacket material of the present invention is used.
Resulting composition is vulcanized in vulcanizer in flakes, and curing temperature is 160 ℃, and the time is 15min, then makes limiting oxygen index(LOI) and vertical combustion test bars and Mechanics Performance Testing batten.Its test result is as shown in table 1.
Embodiment two, weigh by mass percentage 8% antimony sodium inorganic combustion inhibitor, mix more than 2 minutes in 7% solid plasticizer, 1% the anti-aging agent adding homogenizer; Weigh 50% polyvinyl chloride (PVC) RESINS, 22% flame-retardant plasticizer, 5% TDE fire retardant are poured into to mix in the homogenizer and are no less than 3 minutes again; Then adding successively 5% antimonous oxide, 6% stablizer, 0.5% properties-correcting agent, 0.5% releasing agent mixes and is no less than 3 minutes; Flame-retardant plasticizer is tricresol phosphate fat, and solid plasticizer is " Am-168 solid plasticizer ", and releasing agent is calcium stearate.The material that mixes is joined in the extruding machine of two rank, carry out melt blending, make the composition that high flame retardant PVC cable jacket material of the present invention is used.
Resulting composition is vulcanized in vulcanizer in flakes, and curing temperature is 160 ℃, and the time is 15min, then makes limiting oxygen index(LOI) and vertical combustion test bars and Mechanics Performance Testing batten.Its test result is as shown in table 1.
Comparative Examples weighs 50% polyvinyl chloride (PVC) RESINS by mass percentage, and 22% flame-retardant plasticizer, 5% TDE fire retardant are poured into to mix in the homogenizer and be no less than 3 minutes; Then adding successively 5% antimonous oxide, 6% stablizer, 0.5% properties-correcting agent, 0.5% releasing agent mixes and is no less than 3 minutes; Flame-retardant plasticizer is tricresol phosphate fat, and releasing agent is calcium stearate.The material that mixes is joined in the extruding machine of two rank, carry out melt blending, make the composition that high flame retardant PVC cable jacket material of the present invention is used.
Resulting composition is vulcanized in vulcanizer in flakes, and curing temperature is 160 ℃, and the time is 15min, then makes limiting oxygen index(LOI) and vertical combustion test bars and Mechanics Performance Testing batten.Its test result is as shown in table 1.
Table 1
| Embodiment/Comparative Examples | Embodiment 1 | Embodiment 2 | Comparative Examples 1 |
| Tensile strength (MPa) | 22 | 21 | 20 |
| Elongation at break (%) | 280 | 272 | 250 |
| Oxygen index (%) | 46 | 48 | 42 |
| Vertical combustion test (UL-94) | V0 | V0 | V0 |
| Extruded velocity (m/min) | 40 | 38 | 28 |
| Surface appearance | Light | Light is flat | Omit hair |
By table 1 data as can be known, the tensile strength of material compares ratio and has improved 18-27% among the embodiment 1, and elongation at break slightly is improved, and the intensity of material improves the application that can guarantee some occasion material.Oxygen index improves approximately 10%.The extruded velocity of material improves 17%-24.5%, and the original light of surface appearance is many.At very little addition, during less cost, the extruded velocity of material and flame retardant properties have significantly and promote, and have reduced the danger that fire occurs.Improved production efficiency, reduced production cost and more promoted come to the surface quality and extruded velocity.
Claims (2)
1. solid plasticising high flame retardant PVC sheath material composition, it is characterized in that, described composition comprises the 50-55% polyvinyl chloride (PVC) RESINS base-material of mass percent, the anti-aging agent of 0.5-1%, the properties-correcting agent of 0.5-1%, the stablizer of 2-5%, the TDE fire retardant of 2-5%, the solid plasticizer of 5-7.5%, the flame-retardant plasticizer of 15-20%, the fire retardant of 5-10%, the antimonous oxide fire retardant of 5-7.5%, the releasing agent of 0.5-1%; The fire retardant of 5-10% adopts antimony sodium inorganic combustion inhibitor, and anti-aging agent adopts phosphorous acid one benzene dibutyl ester, and releasing agent adopts Zinic stearas, and solid plasticizer adopts " Am-168 solid plasticizer ".
2. solid plasticising high flame retardant PVC sheath material is characterized in that with the preparation method of composition, and described method may further comprise the steps successively:
1) the antimony sodium of the described mass percent of claim 1, solid plasticizer, anti-aging agent are added in the high-speed stirring companion machine mixed many 2 minutes;
2) above-mentioned 1) add in the compound in the homogenizer to mix after the polyvinyl chloride (PVC) RESINS, flame-retardant plasticizer, TDE fire retardant of the described mass percent of claim 1 and be no less than 3 minutes;
3) above-mentioned 2) add in the compound in the homogenizer to mix behind the antimonous oxide, stablizer, releasing agent, properties-correcting agent of the described mass percent of claim 1 and be no less than 3 minutes;
4) with above-mentioned 3) material that mixes joins melt blending in the extruding machine of two rank, and blending temperature is 110 ℃-140 ℃, granulating and forming.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524929A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Waterproof flame-retardant PVC cable sheath material and preparation method thereof |
| CN103524931A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-abrasion-resistant polyvinyl chloride cable sheath material and preparation method thereof |
| CN103540063A (en) * | 2013-10-29 | 2014-01-29 | 绿宝电缆（集团）有限公司 | Modified polyvinyl chloride cable sheath material |
| CN103694603A (en) * | 2013-12-19 | 2014-04-02 | 江苏双宝科技有限公司 | Flame retardant composition in PVC (polyvinyl chloride) cable material |
| CN103756190A (en) * | 2014-01-12 | 2014-04-30 | 莒南县美达电力实业有限公司 | Radiation resistant cable and application of radiation resistant cable in power distribution system |
| CN106751216A (en) * | 2016-12-27 | 2017-05-31 | 青岛豪迈电缆集团有限公司 | A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof |
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| 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 |
| CN101456995A (en) * | 2007-12-11 | 2009-06-17 | 天津德昊超微新材料有限公司 | Environmental protection flame retardant styrene resin |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101456995A (en) * | 2007-12-11 | 2009-06-17 | 天津德昊超微新材料有限公司 | Environmental protection flame retardant styrene resin |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524929A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Waterproof flame-retardant PVC cable sheath material and preparation method thereof |
| CN103524931A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-abrasion-resistant polyvinyl chloride cable sheath material and preparation method thereof |
| CN103524931B (en) * | 2013-09-30 | 2016-01-20 | 芜湖航天特种电缆厂 | A kind of High-abrasion-resistpolyvinyl polyvinyl chloride cable sheath material and preparation method thereof |
| CN103524929B (en) * | 2013-09-30 | 2016-05-18 | 芜湖航天特种电缆厂 | A kind of waterproof flame retardant PVC cable jacket material and preparation method thereof |
| CN103540063A (en) * | 2013-10-29 | 2014-01-29 | 绿宝电缆（集团）有限公司 | Modified polyvinyl chloride cable sheath material |
| CN103540063B (en) * | 2013-10-29 | 2015-12-30 | 绿宝电缆（集团）有限公司 | A kind of modified polyvinyl chloride cable jacket material |
| CN103694603A (en) * | 2013-12-19 | 2014-04-02 | 江苏双宝科技有限公司 | Flame retardant composition in PVC (polyvinyl chloride) cable material |
| CN103756190A (en) * | 2014-01-12 | 2014-04-30 | 莒南县美达电力实业有限公司 | Radiation resistant cable and application of radiation resistant cable in power distribution system |
| CN103756190B (en) * | 2014-01-12 | 2015-09-30 | 莒南县美达电力实业有限公司 | A kind of radiation resistant cable and application in a power distribution system thereof |
| CN106751216A (en) * | 2016-12-27 | 2017-05-31 | 青岛豪迈电缆集团有限公司 | A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof |
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Application publication date: 20130501 |