CN106751216A - A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof - Google Patents

A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof Download PDF

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Publication number
CN106751216A
CN106751216A CN201611232271.5A CN201611232271A CN106751216A CN 106751216 A CN106751216 A CN 106751216A CN 201611232271 A CN201611232271 A CN 201611232271A CN 106751216 A CN106751216 A CN 106751216A
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China
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weight
flame retardant
power cable
pvc
jacket materials
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CN201611232271.5A
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Inventor
王军
邱桂广
潘龙
王强
谢俊礼
王锡宇
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QINGDAO HAOMAI CABLE GROUP CO Ltd
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QINGDAO HAOMAI CABLE GROUP CO Ltd
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Priority to CN201611232271.5A priority Critical patent/CN106751216A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/443Insulators 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 vinylhalogenides or other halogenoethylenic compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention provides a kind of power cable PVC flame retardant jacket materials, it includes polyvinyl chloride (PVC), complexing antimonial auxiliary flame retardant, environment-friendly plasticizer, calcium carbonate, magnesium hydroxide, TDE, zinc oxide, Firebrake ZB, environmentally friendly calcium-zinc composite stabilizing agent, antioxidant, lubricant and forming agent.It can ensure that power cable PVC flame-retardant sheath materials meet GB/T 8,815 2008 to the requirement of its physical and mechanical properties, and cost is relatively low, and oxygen index (OI) reaches more than 32%, and brittle temperature≤20 DEG C, the extrusion processing fluidity of CABLE MATERIALS is good, and cryogenic property is preferable.

Description

A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof
Technical field
The invention belongs to cable material technical field, and in particular to a kind of power cable novel PVC flame retardant jacket materials And preparation method thereof.
Background technology
In recent years, as people constantly deepen to the understanding of fire risk, the fire protecting performance to industries such as buildings is proposed Requirement higher.In this context, as the wires and cables industry of the important supporting industry of national economy, people are to electric wire The requirement of fire protecting performance also more and more higher therewith.Therefore strengthen electric wire fire protecting performance research, prevent for improving power system Fiery level, the guarantee person and security of the lives and property tool are of great significance.
At present, it is the fire resistance that improves PVC flame retardant jacket materials, (phthalic acid two is pungent using DOP more than formula system Ester), Conventional plasticizers and the CP-52 (52 such as DOTP (DOTP)#Chlorinated paraffin), TCEP (TCEP) Deng flame-retardant plasticizer collocation, the inorganic combustion inhibitors such as antimony oxide, Firebrake ZB, zinc oxide, magnesium hydroxide, aluminium hydroxide are added to obtain To the fire resistance for needing.But the addition of flame-retardant plasticizer can not only make the deteriorated low temperature performance of PVC cable materials, and right The thermal stability of cable material has adverse effect on, and a large amount of addition inorganic combustion inhibitors can reduce the physical machine of PVC cable material Tool performance, reduces the processing fluidity of PVC cable material and cryogenic property is also had adverse effect on.So, present invention house Addition flame-retardant plasticizer is abandoned, and antimony oxide is substituted by using the more cheap and environmentally friendly complexing antimony of price, then adopted PVC flame-retardant sheath materials are obtained with special compatibility material, preferable flame retardant effect can be reached and ensured certain cryogenic property (this The cable of invention brittle temperature≤- 20 DEG C of PVC flame retardant jacket materials) PVC cable-flame retardant sheath materials have important Meaning.
The content of the invention
For problems of the prior art, the present invention provide a kind of power cable PVC flame retardant jacket materials and its Preparation method, it can ensure that power cable PVC flame-retardant sheath materials meet GB/T8815-2008 and its physical and mechanical properties is wanted Ask, cost is relatively low, oxygen index (OI) reaches more than 32%, and brittle temperature≤- 20 DEG C, the extrusion processing fluidity of CABLE MATERIALS is good, Cryogenic property is preferable.
To overcome above-mentioned technical problem, the present invention to provide a kind of power cable PVC flame retardant jacket materials, it includes gathering Vinyl chloride (PVC), complexing antimonial auxiliary flame retardant, environment-friendly plasticizer, calcium carbonate, magnesium hydroxide, TDE, oxidation Zinc, Firebrake ZB, environmentally friendly calcium-zinc composite stabilizing agent, antioxidant, lubricant and forming agent.
Wherein, the complexing antimonial structural formula is as follows:
Wherein, R is methyl, ethyl, vinyl, propyl group, isopropyl, amyl group or bromophenyl.
Wherein, the power cable weight portion of each raw material in PVC flame retardant jacket materials is respectively the weight of polyvinyl chloride 100 Amount part, the weight portion of environment-friendly plasticizer 45~50, the weight portion of calcium carbonate 10~30, the weight portion of magnesium hydroxide 15~30, complexing antimony 2~ 6 weight portions, the weight portion of bromide fire retardant TDE 1~3, the weight portion of Firebrake ZB 4, the weight portion of zinc oxide 1~3, environmental protection The weight portion of calcium-zinc composite stabilizing agent 4~8, the weight portion of antioxidant 0.2~0.4, the weight portion of lubricant 1.5~2.5, forming agent 1~3 Weight portion, the coloring weight portion of black slurry 2.4.
Wherein, polyvinyl chloride (PVC) is from molecular weight SG-2 types and SG-3 type Corvics higher.
Wherein, DOTP (DOTP), polyesters are added in environment-friendly plasticizer selection, (decanedioic acid two is pungent for DOS Ester), ESBO (epoxidized soybean oil, Nantong Hai Erma Science and Technology Co., Ltd. product, model:The environmental protection plasticising such as HM-01R) One or more mixing in agent.
Wherein, the antioxidant for using is 1010 (Chinese names:Four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] seasons Doutrate.
Wherein, the environmentally friendly calcium-zinc composite stabilizing agent is by calcium stearate, zinc stearate, lubricant, polyalcohol, phosphite ester Synthesized using special combination process with the antioxidant such as beta-diketon.
Wherein, one or more in lubricant selection addition stearic acid, Tissuemat E, calcium stearate, barium stearate.
Present invention also offers the preparation method of PVC flame retardant jacket materials, specifically include:
The first step, the pretreatment of raw material;
Second step, the mixing of raw material;
3rd step, basis granulation;
4th step, packaging.
Beneficial technique effect
The PVC flame-retardant sheath materials that the present invention is developed meet GB/T 8815-2008 to the requirement of its physical and mechanical properties, and oxygen refers to Number reaches more than 32%, and processing fluidity is good, and during for cable sheath, extruded velocity is very fast, and smoke amount is smaller, and the person is caused Secondary injury is small.
Specific embodiment
The present invention provides a kind of power cable PVC flame retardant jacket materials, and it includes polyvinyl chloride (PVC), complexing antimony Compound auxiliary flame retardant, environment-friendly plasticizer, calcium carbonate, magnesium hydroxide, TDE, zinc oxide, Firebrake ZB, environmentally friendly calcium zinc are answered Close stabilizer, antioxidant, lubricant, forming agent.
The complexing antimonial structural formula is as follows:
Wherein, R is methyl, ethyl, vinyl, propyl group, isopropyl, amyl group or bromophenyl.
It is well known that antimony oxide is a kind of the most frequently used auxiliary flame retardant PVC is soft, in boardy product, itself is hardly With flame retardant effect, but there is good cooperative effect with halogen collocation.Addition is when number is less in soft product, and oxygen Index is relatively inaccessible to 32%.The price of antimony oxide is high, when addition number is more, can virtually increase formulation cost.By The long-term research of applicant, it was found that a kind of have cooperative effect with bromide fire retardant, 2000 yuan cheaper than GB antimony of price/ The new complexing antimonial of ton or so, it can ensure oxygen index (OI) more than 32%, while reducing formulation cost, meet three and aoxidize The requirement that two antimony are not reached.
The power cable weight portion of each raw material in PVC flame retardant jacket materials be respectively the weight portion of polyvinyl chloride 100, The weight portion of environment-friendly plasticizer 45~50, the weight portion of calcium carbonate 10~30, the weight portion of magnesium hydroxide 15~30, the complexing weight of antimony 2~6 Amount part, the weight portion of bromide fire retardant TDE 1~3, the weight portion of Firebrake ZB 4, the weight portion of zinc oxide 1~3, environmentally friendly calcium zinc The weight portion of compound stabilizer 4~8, the weight portion of antioxidant 0.2~0.4, the weight portion of lubricant 1.5~2.5, the weight of forming agent 1~3 Part, the coloring weight portion of black slurry 2.4.
Polyvinyl chloride (PVC) has excellent chemical proofing, mechanical performance and electrical insulating property good, limited oxygen index Up to 50%, and with excellent processing characteristics, it is used widely in wires and cables industry.In view of the difficulty or ease of processability And the requirement of mechanical property and electrical property, the general SG-2 type higher from molecular weight and SG-3 types Corvic processing electricity Cable material, the preferred SG-3 types polyvinyl chloride resin powder of the application is used as material of main part.
The addition of plasticizer, can reduce active force, the glass transition temperature of polyvinyl chloride one's share of expenses for a joint undertaking interchain;Improve resin can Plasticity, makes product soft, low temperature resistant good, easy to process.But, with the increase of plasticizer addition, Corvic Fire resistance is deteriorated, therefore the addition number of plasticizer is difficult excessively;The plasticizer selection addition DOTP (terephthalic acid (TPA)s of the application Dioctyl ester), polyesters, DOS (di-n-octyl sebacate), ESBO (epoxidized soybean oil, the Nantong sea jade or pearl earring agate science and technology limited public affairs of share Department's product, model:One or more mixing in environment-friendly plasticizer such as HM-01R), and without CP-52 (52#Chlorinated paraffin), The non-environmental protection flame-retardant plasticizer that TCEP (TCEP) etc. has a negative impact to PVC cable material stability, cryogenic property.
A certain amount of filler calcium carbonate is added in terms of filling system, in polyvinyl chloride formulation, this can be reduced, improved Heat resistance, increase dimensional stability;The inorganic fire-retarded filler such as magnesium hydroxide can also improve the fire resistance of formula system, this Application selects the powdered whiting of 2500 mesh and the magnesium hydroxide of 2000~5000 mesh as the filling of flame-proof PVC sheath CABLE MATERIALS Agent collocation is used.
The antioxidant for using is 1010 (Chinese names:Four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites Ester, it is 0.2~0.4 to add number, and effect is:Delay or suppress the carrying out of polymer (PVC, polyvinyl chloride) oxidizing process, from And the aging of polymer is prevented, and extend its service life.
Fire retardant aspect, because largely addition plasticizer is greatly lowered the fire resistance of PVC sheath CABLE MATERIALS, this Shen Please select the halogens such as the bromine in chlorine and TDE in addition and polyvinyl chloride resin has the complexing of special construction of synergy Antimony as PVC sheath CABLE MATERIALS auxiliary flame retardant;The fire retardants such as zinc oxide, Firebrake ZB, TDE are added simultaneously to carry The fire resistance of high PVC jacketed cable material.
Stabilizer aspect, Corvic to it is thermoae be sensitivity, be one of the polymer for easily producing thermal degradation, therefore Add environmentally friendly calcium-zinc composite stabilizing agent to be used to improve its heat endurance, make the possibility that is processed into of PVC cable material, the environmentally friendly calcium Zinc composite stabilizer is class environmental protection compound stabilizer on the market, for substituting the lead salt stabilizer of non-environmental protection, by hard The antioxidant such as resin acid calcium, zinc stearate, lubricant, polyalcohol, phosphite ester and beta-diketon are synthesized using special combination process, deep The product of Zhi Hai Industry Co., Ltd of ditch between fields city, product type is AIMSTA-6809WA.
Additionally, addition stearic acid, Tissuemat E, calcium stearate, in barium stearate one or more etc. lubricant, prevent Frictional heat and cause polyvinyl chloride to be degraded, improve product presentation quality;Addition forming agent WY-55 (Jiangsu Ai Teen high scores A promotion plasticizing of sub- Materials Co., Ltd, reduces the organometallic polymer polymer of processing temperature.Its surface hydrophobicity, and Contact angle is close with PVC, can uniformly in " infiltration " to polyvinyl chloride resin particle, and because WY-55 is rigid particles, to particle Produce broken pure effect, primary granule can be promoted to change into structured particles, so as to promote plasticizing, and ensure plasticizing uniformity) etc. add Work auxiliary agent improves the dispersion of the dusty materials such as filler, improves fusion rate, reduces processing temperature, improves polyvinyl chloride melt Mobility.
Coloring is played a part of in the addition for colouring black slurry.
Present invention also offers the preparation method of PVC flame retardant jacket materials, specifically include:
The first step, the pretreatment of raw material;
Second step, the mixing of raw material;
3rd step, basis granulation;
4th step, packaging.
The first step is further specially polyvinyl chloride resin powder, fire-retardant powder material and crosses 100 mesh sieves, afterwards accurately The weight portion for weighing each raw material is standby.
The second step is further specially and (removes polyvinyl chloride resin powder, stabilizer, antioxidant, part increasing plasticizer Plasticizer beyond polyester plasticizer) add 500L high-speed mixers in, stirring at low speed until plasticizer by Corvic After powder is fully absorbed, adding polyester plasticizer (prevents from polyester plasticizer from absorbing other prior to polyvinyl chloride resin powder to be plasticized Agent, cause final production material grain plasticizing it is bad), after treating that all plasticizer are fully absorbed, add fire retardant, filler, profit Lubrication prescription etc., when powder is in expansion loose powder, now at 115 DEG C or so, whole process needs 6~10min to material temperature to high-speed stirred, Material is discharged in cooling mixing machine and is lowered the temperature, discharged at less than 45 DEG C.
3rd step is further specially during the compound of step 2 is thrown into 75/180 Dual inoculation and granulates, processing Technique is twin-screw processing temperature:1 100~110 DEG C of area, 2 110~120 DEG C of areas, 3 130~135 DEG C of areas, 4 135~145 DEG C of areas, 5 135~145 DEG C of areas, 6 135~145 DEG C of areas, 7 110~120 DEG C of areas, 8 110~100 DEG C of areas;Single screw rod processing temperature:9 areas 100 DEG C, 10 110 DEG C of areas, 11 120 DEG C of areas, 170~180 DEG C of head;Twin-screw rotating speed 45rpm, single screw rod rotating speed 35rpm.
Describe embodiments of the present invention in detail using embodiment below, whereby to the present invention how application technology means To solve technical problem, and reach the implementation process of technique effect and can fully understand and implement according to this.
Embodiment 1
The powder such as polyvinyl chloride resin powder (SG-3 types), fire retardant zinc oxide, TDE, Firebrake ZB, complexing antimony Material crosses 100 mesh sieves, and the weight portion that each raw material are accurately weighed afterwards is standby;By polyvinyl chloride resin powder 75kg, environmentally friendly calcium zinc Compound stabilizer 3.75kg, the antioxidant 1010 of stearic acid 0.375kg, 0.15kg, part plasticizer:DOTP 6kg, epoxidized soybean oil 6kg, di-n-octyl sebacate 16.5kg are added in 500L high-speed mixers, and stirring at low speed is until plasticizer quilt After polyvinyl chloride resin powder is fully absorbed, polyester plasticizer 7.5kg is added until being fully absorbed by polyvinyl chloride resin powder. Ratio according to table 1 below adds calcium carbonate 11.25kg, magnesium hydroxide 15kg, Firebrake ZB 3kg, zinc oxide 0.9kg, complexing antimony Compound 1.5kg, Tissuemat E 0.375kg, barium stearate 0.75kg, WY-551.125kg, coloring black slurry 1.8kg, high-speed stirring Mix until when being in expansion loose powder, now at 115 DEG C or so, material is discharged to cooling and mixed material temperature by whole process 6~10min of needs Lower the temperature in machine, discharged at less than 45 DEG C, granulated during the compound of acquisition is thrown into 75/180 Dual inoculation, processing technology is Twin-screw processing temperature:1 100~110 DEG C of area, 2 110~120 DEG C of areas, 3 130~135 DEG C of areas, 4 135~145 DEG C of areas, 5 areas 135 ~145 DEG C, 6 135~145 DEG C of areas, 7 110~120 DEG C of areas, 8 110~100 DEG C of areas;Single screw rod processing temperature:9 100 DEG C of areas, 10 110 DEG C of area, 11 120 DEG C of areas, 170~180 DEG C of head;Twin-screw rotating speed 45rpm, single screw rod rotating speed 35rpm.
Applicant has carried out the Experimental comparison of 4 groups of embodiments and 2 groups of comparative examples altogether, and experimental result is as shown in table 1.
Table 1
From the data of table 1:Using complexing antimonial Example formulations produce PVC flame-retardant sheath materials with use state The PVC flame-retardant sheath materials of the comparative example production of mark antimony oxide indifference in oxygen index (OI), low-temperature impact brittle temperature index; Slightly have difference in 200 DEG C of heat-stable time indexs, it is thermally-stabilised using 200 DEG C of the PVC fire-resistant cable materials of complexing antimonial Time is slightly short, but fully meets the 200 DEG C requirements of heat-stable time >=80min of the GB/T8815-2008 to fire-retardant H I-90.
Applicant also compares complexing antimonial and the thermal weight loss data of GB antimony oxide compare, and the results are shown in Table 2.
Table 2
Note:1) A- complexings antimony, B- GB antimony oxides
2) every group takes three small dumbbell test pieces (5A types in standard GB/T1040.2-2006 standards), claims before being put into ageing oven The weight of each test piece is measured, in 180 DEG C of ageing oven (180 DEG C close to extruder screw processing temperature), each two hour takes After going out one group of test piece weighing weight, thermal weight loss is calculated.
By data:Complexing antimony equivalent substitution GB antimony oxide is little on the influence of system thermal weight loss.Oxygen index (OI) is approached, network Closing antimony can be used with equivalent substitution GB antimony oxide in PVC fire-resistant cable materials completely.
All above-mentioned this intellectual properties of primarily implementation, the not this new product of implementation of setting limitation other forms And/or new method.Those skilled in the art will be using this important information, the above modification, to realize similar execution feelings Condition.But, all modifications or transformation are based on the right that new product of the present invention belongs to reservation.
The above, is only presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, Any those skilled in the art are changed or are modified as equivalent variations possibly also with the technology contents of the disclosure above Equivalent embodiments.But it is every without departing from technical solution of the present invention content, according to technical spirit of the invention to above example Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.

Claims (9)

1. a kind of power cable PVC flame retardant jacket materials, it is characterised in that:Including polyvinyl chloride (PVC), complexing antimonial Auxiliary flame retardant, environment-friendly plasticizer, calcium carbonate, magnesium hydroxide, TDE, zinc oxide, Firebrake ZB, environmentally friendly Ca Zn composite are steady Determine agent, antioxidant, lubricant and forming agent.
2. power cable as claimed in claim 1 PVC flame retardant jacket materials, it is characterised in that:The complexing antimonial Structural formula is as follows:
Wherein, R is methyl, ethyl, vinyl, propyl group, isopropyl, amyl group or bromophenyl.
3. power cable as claimed in claim 1 or 2 PVC flame retardant jacket materials, it is characterised in that:The weight portion of each raw material The respectively weight portion of polyvinyl chloride 100, the weight portion of environment-friendly plasticizer 45~50, the weight portion of calcium carbonate 10~30, magnesium hydroxide 15 ~30 weight portions, complexing antimony 2~6 weight portion, the weight portion of bromide fire retardant TDE 1~3, the weight portion of Firebrake ZB 4, oxygen Change zinc 1~3 weight portion, the environmentally friendly weight portion of calcium-zinc composite stabilizing agent 4~8, the weight portion of antioxidant 0.2~0.4, lubricant 1.5~ 2.5 weight portions, the weight portion of forming agent 1~3, the coloring weight portion of black slurry 2.4.
4. PVC flame retardant jacket materials of the power cable as described in claims 1 to 3, it is characterised in that:Polyvinyl chloride (PVC) From molecular weight SG-2 types higher and SG-3 type Corvics.
5. PVC flame retardant jacket materials of the power cable as described in Claims 1-4, it is characterised in that:Environment-friendly plasticizer is selected The environmental protection such as addition DOTP (DOTP), polyesters, DOS (di-n-octyl sebacate), ESBO (epoxidized soybean oil) increases One or more mixing in modeling agent.
6. PVC flame retardant jacket materials of the power cable as described in claim 1 to 5, it is characterised in that:The antioxidant for using is Four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
7. PVC flame retardant jacket materials of the power cable as described in claim 1 to 6, it is characterised in that:The environmentally friendly calcium zinc is answered Stabilizer is closed by calcium stearate, zinc stearate, lubricant, the antioxidant such as polyalcohol, phosphite ester and beta-diketon is using special multiple Close technique synthesis.
8. PVC flame retardant jacket materials of the power cable as described in claim 1 to 7, it is characterised in that:Lubricant selection addition One or more in stearic acid, Tissuemat E, calcium stearate, barium stearate.
9. the preparation method of PVC flame retardant jacket materials of the power cable described in claim 1 to 8, it is characterised in that specific bag Include:
The first step, the pretreatment of raw material;
Second step, the mixing of raw material;
3rd step, basis granulation;
4th step, packaging.
CN201611232271.5A 2016-12-27 2016-12-27 A kind of power cable novel PVC flame-retardant sheath material and preparation method thereof Pending CN106751216A (en)

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CN103408871A (en) * 2013-08-29 2013-11-27 浙江万马集团特种电子电缆有限公司 Polyvinyl chloride cable sheath material for CMR-class high-flame-retardance environment-friendly type coaxial cable
CN104861330A (en) * 2014-12-29 2015-08-26 殷培花 Flame retarding aging resistant polyvinyl chloride cable material and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
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CN107556588A (en) * 2017-10-20 2018-01-09 安徽同利塑胶彩印有限公司 A kind of PVC flame-retardant sheath materials and preparation method thereof
CN107903532A (en) * 2017-11-14 2018-04-13 深圳市住美新能源连接系统股份有限公司 A kind of preparation method of calcium zinc mild alloy and its coated conducting wire
CN107955289A (en) * 2017-11-14 2018-04-24 深圳市住美新能源连接系统股份有限公司 A kind of preparation method of sial crosslinking alloy and its coated conducting wire
CN107857955A (en) * 2017-11-23 2018-03-30 江苏上上电缆集团有限公司 One kind is cold-resistant(‑40℃)High fire-retardance(OI≥38)PVC cable material and preparation method thereof
CN107857955B (en) * 2017-11-23 2020-08-04 江苏上上电缆集团新材料有限公司 Cold-resistant (-40 ℃) high-flame-retardant (OI is more than or equal to 38) PVC cable material and preparation method thereof

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