CN103665612A - High temperature-resistant, weather-resistant, low-smoke flame resistance and environment-friendly polyvinyl chloride (PVC) cable material - Google Patents
High temperature-resistant, weather-resistant, low-smoke flame resistance and environment-friendly polyvinyl chloride (PVC) cable material Download PDFInfo
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- CN103665612A CN103665612A CN201310754691.XA CN201310754691A CN103665612A CN 103665612 A CN103665612 A CN 103665612A CN 201310754691 A CN201310754691 A CN 201310754691A CN 103665612 A CN103665612 A CN 103665612A
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- smoke
- polyvinyl chloride
- high temperature
- flame retardant
- cable material
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
Abstract
The invention discloses a high temperature-resistant, weather-resistant, low-smoke flame resistance and environment-friendly polyvinyl chloride (PVC) cable material. The cable material comprises the following components: polyvinyl resin, an environment-friendly rare earth composite stabilizer, tetraoctyl pyromellit, epoxidized soybean oil, an HMT (hexamethylenetetramine) flame retardant, an ultraviolet absorbing agent, a flame retardant smoke suppression agent, a polyethylene wax and the like. The best formula is obtained through multiple experiments of the applicant. The cable material is good in comprehensive performance and excellent in high temperature resistance; due to the fact that the rare earth composite stabilizer has more excellent primary and long-time heat stability than the traditional lead salt and calcium/zink stabilizer, the level of temperature resistance is over 105 DEG C; due to the fact that the tetraoctyl pyromellit serves as a high temperature-resistant plasticizer, the anti-thermal ageing performance is improved; the cable material has excellent weather resistance, the rare earth composite stabilizer has the function of absorbing 230 to 320 nanometer ultraviolet light, and meanwhile the ultraviolet absorbing agent UV-531 is added in the formula, so that the weather resistance of the cable material is further improved; the cable material has relatively good low-smoke flame resistance, and during combustion, the smoke generating amount of the PVC cable material with the HMT flame retardant and the ultraviolet absorbing agent is less than that of aluminum hydroxide.
Description
Technical field
The present invention relates to the technical field of polyvinyl chloride cable material, relate in particular to a kind of high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS.
Background technology
Polyvinyl chloride cable material is the main raw for the production of cable, to take polyvinyl chloride as base resin, add the inorganic fillers such as stablizer, softening agent and calcium carbonate, the quality of the quality of polyvinyl chloride cable material, depends primarily on the formula of CABLE MATERIALS and the material of selecting.Different when stablizer, softening agent formula that polyvinyl chloride cable material is selected, the polyvinyl chloride cable material performance obtaining is different.The demand day by day improving in order to meet client, the performance such as high temperature resistant, weather-proof, fire-retardant is the emphasis of polyvinyl chloride cable material research, the formula of the large quantity research polyvinyl chloride cable material of those skilled in the art for this reason, applicant finds, there is following problem in the formula of existing polyvinyl chloride cable material:
(1) temperature resistant grade is low: common environmental protection polyvinyl chloride cable material can only bear 100 ℃, and 7 days aging, the cable of producing by this CABLE MATERIALS, work-ing life is not long, is often less than 20 years, particularly when cable transships, cable is more easily aging, thereby electrical hazard occurs.
(2) weathering resistance is poor: common environmental protection polyvinyl chloride cable material weather resistance is poor, occurs cracking phenomena while using out of doors, can not meet the requirement of outdoor use.
(3) flame retardant properties poor, when burning transmittance is little: the flame retardant properties of common environmental protection polyvinyl chloride cable material is poor, and oxygen index is about 28, and during burning, transmittance is little, and smoke density is large, has flame specific optical density D
mbe about 800, when cable generation electric short circuit causes ignition of cable, cable very easily prolongs combustion, and produces a large amount of smog, has a strong impact on the expansion of rescue work, causes the heavy losses of property.
Summary of the invention
In view of this, the invention provides a kind of high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, good combination property, temperature resistant grade surpasses 105 ℃, weather-proof, flame retardant properties is strong, out of doors life-time service.
For solving above technical problem, technical scheme of the present invention is, a kind of high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS is provided, and according to listed as parts by weight, comprising:
Described polyvinyl chloride (PVC) RESINS is PVC-SG2 type, and the polymerization degree is 1500, is applicable to make softwood.
Described environmental protection rare earth composite stabilizer be La Ca Zn one package stabilizer system.It is a kind of multi-functional environment-protection one package stabilizer.It not only has good stability in early stage, more has good stability at later stage.This stablizer does not produce pollution, and product is verified by SGS-CSTS, by European 2005REACH decree.Improve product increasing tougheness, mobility, soffening and weathering resistance; Can give paintedly, improve colour brightness and persistence, improve demolding performace.As Qingdao, Tuo Zhi Science and Technology Ltd. produces this series products.
Described HMT fire retardant is low smoke and zero halogen inorganic combustion inhibitor, for hydromagnesite and huntite through mixing, grinding and aftertreatment form; Three sections of unique fire retardant mechanisms, decomposition course is released water outgas; There is heat absorption, dilution, buffer action, and there is incarbonization; Compare with ATH/MDH and there is wider decomposition temperature scope, as Sweden's power ore deposit Mining Group (LKAB) is produced this series products.
Described UV light absorber type is UV-531, absorbs the UV-light of 240-340nm.
Described anti-flaming smoke-inhibiting agent is FZY-14.
Described epoxy soybean oil is as the softening agent stablizer of holding concurrently, and oxirane value, higher than 6%, comprehensively improves the thermostability of CABLE MATERIALS of the present invention.
The moiety of described high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, according to weight part meter, comprising:
The moiety of high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS described above can also comprise pigment.
Environmental protection rare earth composite stabilizer, can not only replace the chlorallylene atom on PVC macromole, forms ionic bond with HCL, can also adsorb HCL molecule and form complex compound, stops the generation of conjugated double bond, thereby has stoped the decomposition of PVC.Environmental protection rare earth composite stabilizer adds Lanthanum Stearate (lanthanum is a kind of rare earth element) on the basis of original calcium zinc environmental protection stablizer, form La Ca Zn one package stabilizer system, its heat-stable time much larger than Ca Zn one package stabilizer system, so stability is more more excellent than traditional lead salt and calcium/zinc stabilizer, have initial stage and long-term thermal stability energy, rare earth has the function that absorbs 230-320 nano-ultraviolet light simultaneously.
Tetraoctyl 1,2,4,5-benzenetetra-carboxylate, as the softening agent of polyvinyl chloride (PVC) RESINS, is a kind of novel fire resistant softening agent, molecular weight high (703), and flash-point high (265 ℃), is superthermal property (super F level) softening agent.
Compared with prior art, tool of the present invention has the following advantages:
First, there is excellent resistance to elevated temperatures, the novel rare-earth one package stabilizer that the present invention selects has than traditional lead salt and more excellent initial stage and the long-term thermal stability energy of calcium/zinc stabilizer, heatproof is over 105 ℃, tetraoctyl 1,2,4,5-benzenetetra-carboxylate is as high temperature plasticizer, improve ageing resistance, can stand aging (aging rear tensile strength velocity of variation≤± 25% of 140 ℃ * 14 days.Elongation at break velocity of variation≤± 25%), the heat-stable time and aging latter 200 ℃ time reaches >=and 120 minutes.(note: the aging condition of 105 ℃ of CABLE MATERIALS of heatproof is: 135 ℃ * 7 days aging, aging rear tensile strength velocity of variation≤± 25%.Elongation at break velocity of variation≤± 25%).
The second, there is excellent weathering resistance, environmental protection rare earth composite stabilizer has the function that absorbs 230-320 nano-ultraviolet light.In formula, added ultraviolet absorbent UV-531 further to improve the weather resistance of CABLE MATERIALS simultaneously, made the present invention's (CABLE MATERIALS) there is remarkable excellent weather resistance, by artificial weathering, tested, out of doors life-time service.
The 3rd, there is better low-smoke and flame retardant performance, select the novel smoke-inhibiting type HMT fire retardant from external import, but this fire retardant has well hood and flame retardant properties.The amount of being fuming of PVC CABLE MATERIALS of making fire retardant with it is than aluminium hydroxide few 15%.In formula, add the special-purpose FZY-14 type of flexible PVC highly effective flame-retardant smoke suppressant simultaneously, further ensured low-smoke and flame retardant performance.
Embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with specific embodiment, the present invention is described in further detail.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Embodiment mono-
A moiety for high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, according to weighing scale, comprising:
The specific performance of the CABLE MATERIALS of filling a prescription through embodiment mono-is as follows:
Can stand aging (aging rear tensile strength velocity of variation≤± 25% of 140 ℃ * 14 days.Elongation at break velocity of variation≤± 25%).Heat-stable time >=240 minute in the time of 200 ℃, and the heat-stable time aging latter 200 ℃ time reach >=120 minutes.
By artificial weathering test, be ultraviolet weathering test: 42 days aging after with aging front contrast, tensile strength velocity of variation and elongation change rate be not more than ± 30%; 42 days aging after with aging rear contrast in 21 days, tensile strength velocity of variation and elongation change rate be not more than ± 15%.
Oxygen index reaches 35, has flame specific optical density D
m=195, its flame retardant properties has reached the requirement that the strictest cable bunchy category-A flame retardant cable is used material completely, has flame specific optical density D
m< 300 has reached the requirement of low cigarette.
Embodiment bis-
A moiety for high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, according to weighing scale, comprising:
A moiety for high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, according to weighing scale, comprising:
Embodiment tetra-
A common environmental protection polyvinyl chloride cable material, its moiety, according to weighing scale, comprising:
Calcium zinc stabilizer is that market is bought, and as Taiwan is former, moulds.
Embodiment five
A moiety that adopts the heat-resistant fireproof polyvinyl chloride cable material that conventional plasticizers obtains, according to weighing scale, comprising:
Environmental protection rare earth composite stabilizer can be bought on market, and the environmental protection rare earth composite stabilizer of embodiment is bought in Qingdao Tuo Zhi Science and Technology Ltd..
The polyvinyl chloride cable material of embodiment mono-to five Specifeca tion speeification in Table 1.
Table 1 CABLE MATERIALS Specifeca tion speeification table
As can be seen from Table 1, the heat-stable time of high temperature resistant environment-protective flame-proof polyvinyl chloride granula for cable of the present invention is compared embodiment tetra-tools that contain common calcium zinc stabilizer and is increased significantly, and environmental protection rare earth composite stabilizer can obviously improve the thermostability of polyvinyl chloride cable material in conjunction with epoxy soybean oil; Compare embodiment five, high temperature resistant environment-protective flame-proof polyvinyl chloride granula for cable of the present invention obviously becomes excellent at 140 ℃ of aging back draft change rate of strength and 140 ℃ of aging rear elongation change rates, and in the present invention, tetraoctyl 1,2,4,5-benzenetetra-carboxylate can improve the heat aging performance of polyvinyl chloride cable material.As seen from Table 1, embodiment mono-properties is best, is as sizing formula of the present invention.
The present invention adopts high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS to produce heatproof over 105 ℃ of weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride insulated wire cables, meet the ROHS instruction (six large class objectionable impuritiess) of European Union, 2007/19/EC instruction (phthalic ester) and PAHS instruction (polynuclear aromatics), reached the environmental requirement of European Union completely, its electric wire has passed through 140 ℃ * 14 days heat ageing tests, artificial weathering test and low-smoke and flame retardant performance test, its temperature resistant grade is over 105 ℃, reached 70 years the work-ing life by aging life-span curve calculation electric wire, flame retardant properties is by the bunchy category-A combustion test of GB/T18380-2008.This is high temperature resistant, and weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS is used on the BLV cable of particular requirement, has obtained significant Social benefit and economic benefit.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS, is characterized in that, according to listed as parts by weight, comprising:
2. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 1, is characterized in that, described polyvinyl chloride (PVC) RESINS is PVC-SG2 type, and the polymerization degree is 1500.
3. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 1, is characterized in that, described environmental protection rare earth composite stabilizer be La Ca Zn one package stabilizer system.
4. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 1, is characterized in that, described HMT fire retardant is new and effective low smoke and zero halogen inorganic combustion inhibitor.
5. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 1, is characterized in that, described UV light absorber type is UV-531, absorbs the UV-light of 240-340nm.
6. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 1, is characterized in that, described anti-flaming smoke-inhibiting agent is FZY-14.
7. the high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as described in claim 1 to 6 any one, is characterized in that, according to weight part meter, comprising:
8. high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS as claimed in claim 7, is characterized in that, the moiety of described high temperature resistant weather-proof low-smoke and flame retardant type environment-friendly polyvinyl chloride CABLE MATERIALS also comprises pigment.
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| CN201310754691.XA CN103665612A (en) | 2013-12-31 | 2013-12-31 | High temperature-resistant, weather-resistant, low-smoke flame resistance and environment-friendly polyvinyl chloride (PVC) cable material |
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| CN201310754691.XA CN103665612A (en) | 2013-12-31 | 2013-12-31 | High temperature-resistant, weather-resistant, low-smoke flame resistance and environment-friendly polyvinyl chloride (PVC) cable material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403186A (en) * | 2014-11-14 | 2015-03-11 | 宁波一舟塑胶有限公司 | Composite synergistic flame-retardant smoke-suppression low-smoke halogen-free framework material |
| CN105255045A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Heat-resisting PVC (polyvinyl chloride)-sheathed control cable |
| CN105949644A (en) * | 2016-05-13 | 2016-09-21 | 江苏艾特克阻燃材料有限公司 | Modifying method of flame retardant and preparation method of flame retardant material |
| CN108410045A (en) * | 2018-04-16 | 2018-08-17 | 合肥羿振电力设备有限公司 | A kind of heat safe fire-retardant nontoxic cable for preventing material |
| CN113214547A (en) * | 2021-06-24 | 2021-08-06 | 四川川东电缆有限责任公司 | Rubber for cable and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403186A (en) * | 2014-11-14 | 2015-03-11 | 宁波一舟塑胶有限公司 | Composite synergistic flame-retardant smoke-suppression low-smoke halogen-free framework material |
| CN104403186B (en) * | 2014-11-14 | 2017-02-22 | 宁波一舟塑胶有限公司 | Composite synergistic flame-retardant smoke-suppression low-smoke halogen-free framework material |
| CN105255045A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Heat-resisting PVC (polyvinyl chloride)-sheathed control cable |
| CN105949644A (en) * | 2016-05-13 | 2016-09-21 | 江苏艾特克阻燃材料有限公司 | Modifying method of flame retardant and preparation method of flame retardant material |
| CN108410045A (en) * | 2018-04-16 | 2018-08-17 | 合肥羿振电力设备有限公司 | A kind of heat safe fire-retardant nontoxic cable for preventing material |
| CN113214547A (en) * | 2021-06-24 | 2021-08-06 | 四川川东电缆有限责任公司 | Rubber for cable and preparation method thereof |
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Application publication date: 20140326 |