CN105504464A - Preparation method of ceramic polyolefin fire-resistant cable material - Google Patents
Preparation method of ceramic polyolefin fire-resistant cable material Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- 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
- H01B3/40—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 epoxy resins
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- 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
- H01B3/44—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 vinyl resins; acrylic resins
- H01B3/441—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 vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- 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
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention provides a preparation method of a ceramic polyolefin fire-resistant cable material which comprises the following components by weight: 40-100 parts of polyolefin; 1-30 parts of a compatibility agent; 350-500 parts of porcelain powder; 20 to 200 parts of a fluxing agent; 20 to 100 parts of a flame retardant; 2-20 parts of a lubricant and 1-10 parts of an antioxidant. The preparation method successively comprises the following steps: (1) the polyolefin, the compatibility agent, the flame retardant and the antioxidant are added into a mixer for mixing for 5-15 minutes to 90-110 DEG C; (2) the porcelain powder and the lubricant are added for mixing for 2-8 minutes 115-135 DEG C; (3) the fluxing agent is added for mixing for 20-40 minutes to 165-185 DEG C, and mixing is stopped; and (4) a material obtained by the step ( 3) is extruded for molding by twin screws to obtain the ceramic polyolefin fire-resistant cable material. The preparation method is simple in operation and low in raw material costs, and the obtained ceramic polyolefin fire-resistant cable material has good fire resistance and good use prospects.
Description
Technical field
The present invention relates to field of new material preparation, more specifically relate to a kind of preparation method of ceramic polyolefine flame resistant cable material.
Background technology
Along with society, expanding economy, electric wire becomes integral part stealthy in people's daily life.In case of fire, ensure that the normal operation of circuit is very important, therefore, at some large-scale tall buildings, crowded place, fire-resistant wire and cable becomes the selection of people's subjectivity.The cable that existing refractory materials can be made mainly contains: mica tape flame resistant cable, magnesium oxide mineral insulation cable, flexible fire-proof cable and fire-proof mud inorganic mineral fireproof cable etc., there is various shortcoming in these cables above-mentioned, such as: mica tape flame resistant cable flexibility is poor, thickness is restricted, wrapped speed is slow and production efficiency is low, thus causes processing, human cost high; Moisture absorption is strong, and store 3-6 month, after making moist, insulating property decline rapidly; In addition, price is high, particularly synthetic mica.Magnesium oxide mineral insulation cable is expensive, complex manufacturing and to lay difficulty large.Thus, market is badly in need of a kind of preparation method that can overcome the novel material of above-mentioned flame resistant cable material Problems existing and defect.
Summary of the invention
For overcoming the problems referred to above of the prior art, the invention provides a kind of preparation method of ceramic polyolefine flame resistant cable material, its step is simple, and cost is low, and prepared cable material fire performance is good.。
Present invention employs following technical scheme:
A preparation method for ceramic polyolefine flame resistant cable material, this cable material comprises following component by weight: polyolefine, 40-100 part; Compatilizer, 1-30 part; Vitrified powder, 350-500 part; Fusing assistant, 20-200 part; Fire retardant, 20-100 part; Lubricant, 2-20 part; And oxidation inhibitor, 1-10 part;
This preparation method comprises the following steps successively:
(1) polyolefine, compatilizer, fire retardant and oxidation inhibitor to be added in Banbury mixer in 5-15 minute banburying to 90-110 DEG C;
(2) add Vitrified powder and lubricant, in 2-8 minute, banburying is to 115-135 DEG C;
(3) add fusing assistant again, and banburying, to 165-185 DEG C, stops banburying in 20-40 minute; And
(4) by shaping through twin-screw extrusion for the material obtained in step (3), ceramic polyolefine flame resistant cable material is obtained;
Wherein, polyolefine is selected from one or more in ethylene-vinyl acetate copolymer, polypropylene, polystyrene, polyethylene and polyolefin elastomer;
Vitrified powder is selected from one or more in potter's clay, talcum powder, mica powder, agalmatolite, szaibelyite, datolite, calcite, Wingdale, wollastonite, triphane and clay.
Further, in step (1), polyolefine, compatilizer, fire retardant and oxidation inhibitor to add in Banbury mixer in 8-12 minute banburying to 95-105 DEG C, preferably, through banburying to 100 DEG C in 10 minutes.
Further, in step (2), add Vitrified powder and lubricant, within 4-6 minute, banburying is to 120-130 DEG C, preferably, through banburying to 125 DEG C in 5 minutes.
Further, in step (3), add fusing assistant, and banburying in 25-35 minute to 170-180 DEG C, stop banburying.Preferably, through banburying to 175 DEG C in 30 minutes, stop banburying.
Further, cable material comprises following component by weight: polyolefine, 60-100 part; Compatilizer, 1-20 part; Vitrified powder, 350-450 part; Fusing assistant, 100-200 part; Fire retardant, 50-90 part; Lubricant, 5-10 part; And oxidation inhibitor, 1-10 part.
In a specific embodiment, cable material of the present invention specifically comprises following component by weight: polyolefine, 70 parts; Compatilizer, 7.5 parts; Vitrified powder, 400 parts; Fusing assistant, 140 parts; Fire retardant, 70 parts; Lubricant, 5 parts; And oxidation inhibitor, 1 part.
In another specific embodiment, cable material of the present invention specifically comprises following component by weight: polyolefine, 40 parts; Compatilizer, 30 parts; Vitrified powder, 350 parts; Fusing assistant, 20 parts; Fire retardant, 20 parts; Lubricant, 2 parts; And oxidation inhibitor, 5 parts.
Having in a specific embodiment, cable material of the present invention specifically comprises following component by weight: polyolefine, 100 parts; Compatilizer, 1 part; Vitrified powder, 500 parts; Fusing assistant, 200 parts; Fire retardant, 100 parts; Lubricant, 20 parts; And oxidation inhibitor, 10 parts.
Preferably, compatilizer is selected from one or more in grafted maleic anhydride compatilizer, acrylic type compatilizer, epoxide resin type compatilizer, the polystyrene of oxazoline grafting, modified polyacrylate compatilizer and m-pseudoallyl-2,2-methyl benzoyl isocyanic ester.
Preferably, fusing assistant is selected from one or more in glass powder, ceramics powder, glass fibre.
Preferably, fire retardant is selected from one or more in antimonous oxide, aluminium hydroxide, magnesium hydroxide, magnesium basic carbonate, kaolin, zinc borate, ammonium polyphosphate and red phosphorus.
Preferably, lubricant is selected from one or more in stearylamide, amine hydroxybenzene, silicone adhesive, calcium stearate, Zinic stearas, lipid acid, methyl-silicone oil and whiteruss.
Preferably, oxidation inhibitor is selected from one or more in antioxidant 1010, antioxidant 300, irgasfos 168, oxidation inhibitor 2264, antioxidant 264, anti-oxidant DLTP and oxidation inhibitor ODP.
Compared with prior art, the present invention has the following advantages: the preparation method that the invention provides a kind of ceramic polyolefine flame resistant cable material, and its step is simple, and cost is low, and obtained cable material has the advantages such as environmental protection, low cost and fire performance are good.Particularly, obtained cable material has the following advantages: (1) is containing any halogen composition, nontoxic, harmless, low cigarette and not containing heavy metal, meet the requirement (2) of national security environmental protection through high temperature or flame, can form hard ceramic package covers on cable, thus can improve fire resistance rating; (3) cost is low.The preparation method of ceramic polyolefine flame resistant cable material of the present invention does not need special extrusion equipment, can use common extruding machine, easy to process.In sum, preparation method's technique of ceramic polyolefine flame resistant cable material of the present invention is simple, nontoxic, harmless, the low cigarette of prepared cable material, not containing heavy metal, has a good application prospect.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
A preparation method for ceramic polyolefine flame resistant cable material, the concrete moiety of this cable material is as following table 1.
Table 1
The preparation method of the cable material of the present embodiment 1 comprises the steps:
(1) polyethylene, ethylene-vinyl acetate copolymer, grafted maleic anhydride compatilizer, ammonium polyphosphate and antioxidant 1010, antioxidant 264 and irgasfos 168 are added in Banbury mixer through banburying to 100 DEG C in 10 minutes;
(2) wollastonite and silicone adhesive is added, through banburying to 125 DEG C in 5 minutes;
(3) add glass fibre again, through banburying to 175 DEG C in 30 minutes, stop banburying; And
(4) by shaping through twin-screw extrusion for the material obtained in step (3), and through cutting machine cutting, particulate ceramic polyolefine flame resistant cable material is obtained;
The test result of the cable material obtained by the present embodiment 1 is as following table 2.
Table 2
Embodiment 2
A preparation method for ceramic polyolefine flame resistant cable material, the concrete moiety of this cable material is as following table 3.
Table 3
The preparation method of the cable material of the present embodiment 2 comprises the steps:
(1) polystyrene, ethylene-vinyl acetate copolymer, epoxide resin type compatilizer, kaolin and antioxidant 300, oxidation inhibitor 2264 and irgasfos 168 are added in Banbury mixer through banburying to 90 DEG C in 5 minutes;
(2) mica powder and Zinic stearas is added, through banburying to 115 DEG C in 2 minutes;
(3) add glass powder again, through banburying to 165 DEG C in 20 minutes, stop banburying; And
(4) by shaping through twin-screw extrusion for the material obtained in step (3), and through cutting machine cutting, particulate ceramic polyolefine flame resistant cable material is obtained;
The test result of the cable material obtained by the present embodiment 2 is as following table 4.
Table 4
Embodiment 3
A preparation method for ceramic polyolefine flame resistant cable material, the concrete moiety of this cable material is as following table 5.
Table 5
The preparation method of the cable material of the present embodiment 3 comprises the steps:
(1) polyethylene, modified polyacrylate compatilizer, aluminium hydroxide and anti-oxidant DLTP, oxidation inhibitor 2264 and oxidation inhibitor ODP are added in Banbury mixer through banburying to 110 DEG C in 15 minutes;
(2) datolite and methyl-silicone oil is added, through banburying to 135 DEG C in 8 minutes;
(3) add ceramics powder again, through banburying to 185 DEG C in 40 minutes, stop banburying; And
(4) by shaping through twin-screw extrusion for the material obtained in step (3), and through cutting machine cutting, particulate ceramic polyolefine flame resistant cable material is obtained;
The test result of the cable material obtained by the present embodiment 3 is as following table 6.
Table 6
Can be learnt by above embodiment, the excellent property such as cable material hardness, tensile strength, elongation obtained by preparation method of ceramic polyolefine flame resistant cable material of the present invention, flame retardant rating is high, when 950 DEG C burning 3 hours, ceramic, hard, loud and clear, ensure that the performance of cable is constant.Preparation method of the present invention, simple to operate, easily implement, and prepared cable material various aspects of performance is excellent, has a good application prospect.
Ceramic polyolefine flame resistant cable material prepared by method of the present invention is when high temperature, fire by polyolefin plastics Low fire ceramic shape supporter, and after burning, resistates forms cellular hard ceramic protective layer.On the one hand, this ceramic-like supporter can play the effect of heat insulation, thermal insulation, gear fire, can also bear spray, vibrations, thus protection electric wire ensures that circuit is unimpeded in the case of fire; On the other hand, the ceramic-like supporter of compact and firm does not drip, and does not prolong combustion, the intensity of a fire can be suppressed to spread, play well fire-retardant, fire-resistant effect.
Preparation method of the present invention solves following problem: one, during existing electric wire burning, cannot continue to keep basic function; Two, refractory materials is processed into the complex process of cable in the market, and material cost is expensive.
Above specific embodiment of the present invention is illustrated; but protection content of the present invention is not only limited to above embodiment; in art of the present invention, the usual knowledge of a GPRS, just can carry out diversified change within the scope of its technology main idea.
Claims (10)
1. a preparation method for ceramic polyolefine flame resistant cable material, is characterized in that, described cable material comprises following component by weight: polyolefine, 40-100 part; Compatilizer, 1-30 part; Vitrified powder, 350-500 part; Fusing assistant, 20-200 part; Fire retardant, 20-100 part; Lubricant, 2-20 part; And oxidation inhibitor, 1-10 part;
Described preparation method comprises the following steps successively:
(1) add in Banbury mixer by polyolefine, compatilizer, fire retardant and oxidation inhibitor, in 5-15 minute, banburying is to 90-110 DEG C;
(2) add Vitrified powder and lubricant, in 2-8 minute, banburying is to 115-135 DEG C;
(3) add fusing assistant again, and banburying, to 165-185 DEG C, stops banburying in 20-40 minute; And
(4) by shaping through twin-screw extrusion for the material obtained in step (3), ceramic polyolefine flame resistant cable material is obtained;
Wherein, described polyolefine is selected from one or more in ethylene-vinyl acetate copolymer, polypropylene, polystyrene, polyethylene and polyolefin elastomer;
Described Vitrified powder is selected from one or more in potter's clay, talcum powder, mica powder, agalmatolite, szaibelyite, datolite, calcite, Wingdale, wollastonite, triphane and clay.
2. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: in step (1), and polyolefine, compatilizer, fire retardant and oxidation inhibitor to add in Banbury mixer in 8-12 minute banburying to 95-105 DEG C.
3. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: in step (2), add Vitrified powder and lubricant, in 4-6 minute, banburying is to 120-130 DEG C.
4. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: in step (3), adds fusing assistant, and minute banburying, to 170-180 DEG C, stops banburying in 25-35.
5. the preparation method of the ceramic polyolefine flame resistant cable material according to any one of claim 1-4, it is characterized in that, described cable material comprises following component by weight: polyolefine, 60-100 part; Compatilizer, 1-20 part; Vitrified powder, 350-450 part; Fusing assistant, 100-200 part; Fire retardant, 50-90 part; Lubricant, 5-10 part; And oxidation inhibitor, 1-10 part.
6. the preparation method of the ceramic polyolefine flame resistant cable material according to any one of claim 1-4, it is characterized in that: described compatilizer is selected from one or more in grafted maleic anhydride compatilizer, acrylic type compatilizer, epoxide resin type compatilizer, the polystyrene of oxazoline grafting, modified polyacrylate compatilizer and m-pseudoallyl-2,2-methyl benzoyl isocyanic ester.
7. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: described fusing assistant is selected from one or more in glass powder, ceramics powder, glass fibre.
8. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: described fire retardant is selected from one or more in antimonous oxide, aluminium hydroxide, magnesium hydroxide, magnesium basic carbonate, kaolin, zinc borate, ammonium polyphosphate and red phosphorus.
9. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: described lubricant is selected from one or more in stearylamide, amine hydroxybenzene, silicone adhesive, calcium stearate, Zinic stearas, lipid acid, methyl-silicone oil and whiteruss.
10. the preparation method of ceramic polyolefine flame resistant cable material according to claim 1, is characterized in that: described oxidation inhibitor is selected from one or more in antioxidant 1010, antioxidant 300, irgasfos 168, oxidation inhibitor 2264, antioxidant 264, anti-oxidant DLTP and oxidation inhibitor ODP.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009140A (en) * | 2016-06-24 | 2016-10-12 | 安徽宜德电子有限公司 | Environment-friendly type ultra-hard ceramization polyolefin cable material formula |
| CN106753431A (en) * | 2016-12-15 | 2017-05-31 | 南京市消防工程有限公司宜兴安装分公司 | A kind of fire proofing |
| CN106800692A (en) * | 2016-12-20 | 2017-06-06 | 安徽华天电缆有限公司 | A kind of good waterproof polyethylene cable material of heat endurance |
| CN108648868A (en) * | 2018-05-10 | 2018-10-12 | 江苏亨通线缆科技有限公司 | A kind of fiber reinforced fireproof cable |
| CN108878044A (en) * | 2018-06-12 | 2018-11-23 | 东莞长联电线电缆有限公司 | A kind of flame-resistant high-temperature-resistant cable and preparation method |
| CN109575608A (en) * | 2018-11-02 | 2019-04-05 | 江苏亨通电子线缆科技有限公司 | A kind of new-energy automobile high-temperature explosion-proof signal cable |
| CN109593262A (en) * | 2018-11-28 | 2019-04-09 | 青岛中科汉缆高分子材料有限公司 | A kind of radiation resistance ceramic cable material of polyolefin and preparation method thereof |
| CN109810371A (en) * | 2017-11-22 | 2019-05-28 | 宝胜科技创新股份有限公司 | A kind of thermoplastic halogen-free and low-smoke flame-retardant can ceramic polyolefin oxygen barrier material |
| CN109971064A (en) * | 2017-12-28 | 2019-07-05 | 中广核高新核材科技（苏州）有限公司 | Preparation process for low smoke and zero halogen ceramic polyolefin refractory insulation material |
| CN112174639A (en) * | 2020-08-31 | 2021-01-05 | 浙江工业大学 | Low-temperature sintering ceramic powder for ceramic high polymer material and application thereof |
| CN112300480A (en) * | 2020-11-17 | 2021-02-02 | 苏州亨利通信材料有限公司 | Ceramic polyolefin and preparation method thereof |
| CN113213953A (en) * | 2021-04-28 | 2021-08-06 | 常州市沃科科技有限公司 | Ceramic polyolefin refractory material with low combustion heat value and preparation method thereof |
| CN113698687A (en) * | 2021-08-17 | 2021-11-26 | 浙江方圆检测集团股份有限公司 | Medium-high temperature rapid ceramic PE-based polyolefin fire-resistant cable sheath material composite particle and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106009140A (en) * | 2016-06-24 | 2016-10-12 | 安徽宜德电子有限公司 | Environment-friendly type ultra-hard ceramization polyolefin cable material formula |
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Application publication date: 20160420 |