CN108727738A - Halogen-free low-smoke flame-retardant cable material and preparation method thereof - Google Patents
Halogen-free low-smoke flame-retardant cable material and preparation method thereof Download PDFInfo
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- CN108727738A CN108727738A CN201810610439.4A CN201810610439A CN108727738A CN 108727738 A CN108727738 A CN 108727738A CN 201810610439 A CN201810610439 A CN 201810610439A CN 108727738 A CN108727738 A CN 108727738A
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- cable material
- free low
- halide
- smoke
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- 239000000779 smoke Substances 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000003063 flame retardant Substances 0.000 title abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 16
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 16
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 12
- 235000006708 antioxidants Nutrition 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 239000008240 homogeneous mixture Substances 0.000 claims description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 150000007970 thio esters Chemical class 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 4
- 239000011609 ammonium molybdate Substances 0.000 claims description 4
- 229940010552 ammonium molybdate Drugs 0.000 claims description 4
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- FIBARIGPBPUBHC-UHFFFAOYSA-N octyl 8-(3-octyloxiran-2-yl)octanoate Chemical compound CCCCCCCCOC(=O)CCCCCCCC1OC1CCCCCCCC FIBARIGPBPUBHC-UHFFFAOYSA-N 0.000 claims description 4
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000013769 triethyl citrate Nutrition 0.000 claims description 4
- 239000001069 triethyl citrate Substances 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000004898 kneading Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000000654 additive Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 3
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a halogen-free low-smoke flame-retardant cable material which comprises the following raw materials in parts by weight: 75-90 parts of polyvinyl chloride, 0.5-4 parts of smoke suppressant, 5-10 parts of expandable graphite, 3-8 parts of plasticizer, 16-20 parts of filler and 1-3 parts of antioxidant. The invention greatly improves the low smoke flame retardant property of the cable material and improves the mechanical strength of the cable material to a certain extent by improving various additives, particularly the use of the expandable graphite.
Description
Technical field
The present invention relates to electric wire and cable material technical field, more particularly to halide-free low-smoke fireproof cable material and its
Preparation method.
Background technology
CABLE MATERIALS is wire cable insulating and sheath plastics, wherein a variety of kinds such as rubber, plastics, nylon are contained,
It is wherein raw material mainly with CABLE MATERIALS that polyvinyl chloride or polyethylene are basic resin using plastics.
Traditional flame retardant cable mainly uses halogen containing polymers and halogen containing flame-retardant to obtain good flame-retardance energy by mixing,
If but generation fire will produce a large amount of poison gas, cause extremely to endanger, so present flame-proof cable material is mostly with hydrogen-oxygen
Change aluminium, the inorganic anti-flaming materials such as magnesium hydroxide as fire retardant, inorganic combustion inhibitor needs to be added to 70% or so competence exertion preferable
Fire retardation, but due to the addition of a large amount of inorganic combustion inhibitors, then the mechanical performance of CABLE MATERIALS can be caused to be greatly lowered.
Therefore, how to provide a kind of halide-free low-smoke fireproof cable material of good mechanical property and preparation method thereof is this field skill
The problem of art personnel's urgent need to resolve.
Invention content
In order to solve the problems in the existing technology, the object of the present invention is to provide a kind of halide-free low-smoke fireproof cable material
And preparation method thereof.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of halide-free low-smoke fireproof cable material, includes the raw material of following mass fraction：
75-90 parts of polyvinyl chloride
0.5-4 parts of smoke suppressant
5-10 parts of expansible graphite
3-8 parts of plasticizer
16-20 parts of filler
1-3 parts of antioxidant.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, include the raw material of following mass fraction：
82 parts of polyvinyl chloride
2 parts of smoke suppressant
8 parts of expansible graphite
6 parts of plasticizer
18 parts of filler
2 parts of antioxidant.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, the smoke suppressant be molybdenum oxide and/or ammonium molybdate with
The mixture of metal oxide.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, the metal oxide be copper oxide, iron oxide,
The mixture of one or more of chromium oxide, zinc oxide.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, the plasticizer is by polyvinyl butyral
Modified triethyl citrate or octyl epoxy stearate.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, the filler is perlite, talcum powder, lightweight
The mixture of one or more of calcium carbonate, kaolin.
Preferably, in a kind of above-mentioned halide-free low-smoke fireproof cable material, the antioxidant is hindered phenol anti-oxidants：
Thioesters class antioxidant=1：（1-3）Mixture.
The present invention also provides a kind of preparation methods of halide-free low-smoke fireproof cable material, include the following steps：
（1）Each raw material is weighed according to the number of component proportion；
（2）The polyvinyl chloride of precise is put into plasticizer, filler in mixing machine and is mixed 5-10 minutes, is then added successively
Enter load weighted smoke suppressant, expansible graphite and antioxidant, continuously add in mixing machine and stir, until mixing is abundant；
（3）Above-mentioned uniformly mixed raw material is mixed 5-8 minutes in 90-110 DEG C of masticator, obtains homogeneous mixture；
（4）Obtained homogeneous mixture is added to double screw extruder and squeezes out pelletizing through plasticizing, it is cold after vibrating screen is sieved
But it packs.
Preferably, in a kind of above-mentioned preparation method of halide-free low-smoke fireproof cable material, the masticator rotating speed is 550r/
Min, double screw extruder temperature range are：115-125 DEG C of feeding section, 125-135 DEG C of transportation section, 135-140 DEG C of melt zone, machine
140-160 DEG C of head, it is 120-140 DEG C to squeeze out blank temperature, and cooling temperature is 45 DEG C or less.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of resistances of low smoke, zero halogen
CABLE MATERIALS and preparation method thereof is fired, the attainable technique effect of institute is as follows：
1, anti-flaming smoke-inhibiting agent of the invention is not the inorganic combustion inhibitors such as magnesium hydroxide, aluminium hydroxide, zinc borate existing in the market,
Being greatly reduced for CABLE MATERIALS mechanical performance is avoided, the present invention is aoxidized only by small amounts molybdenum and/or ammonium molybdate with metal
Object is used cooperatively, and has just reached good flame-retardant smoke inhibition effect, and smoke can be made to reduce 40%-85%, and oxygen index (OI) improves 15%-25%.
2, plasticizer of the present invention is that triethyl citrate or octyl epoxy stearate are modified by polyvinyl butyral,
Finished surface brightness is good, and increases the tear resistance of product.
3, the pyrolytic process of polyvinyl chloride is：Hydrogen chloride gas and the diene containing double bond are first decomposited at 220-340 DEG C
Then hydrocarbon carries out carbon burning process at 400-470 DEG C, studies have found that polyvinyl chloride is pyrolyzed the aerial concentration of combustible products
There will be no open fire generations when less than 15% or less.
The expansible graphite that the present invention uses has the performance expanded rapidly under high temperature, can be formed in polyvinyl chloride surface
Non-ignitable, heat-insulated, resistance oxygen more empty protective layers, carbide are attached to the density that protective layer is strengthened around graphite linings cavity, effectively
Conduction, convection current and radiation of the outside heat to polymeric inner are obstructed, has effectively achieved the purpose that open fire is inhibited to generate.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of halide-free low-smoke fireproof cable material, includes the raw material of following parts by weight：82 parts of polyvinyl chloride, molybdenum oxide are mixed with copper oxide
2 parts of object of conjunction, 8 parts of expansible graphite, by 6 parts of the triethyl citrate that polyvinyl butyral is modified, perlite and talcum powder
18 parts of mixture, hindered phenol anti-oxidants：Thioesters class antioxidant=1：2 parts of 2 mixture.
Each raw material is weighed according to the number of component proportion；By the polyvinyl chloride of precise and plasticizer, filling
Agent is put into mixing machine and mixes 8 minutes, then sequentially adds load weighted smoke suppressant, expansible graphite and antioxidant, continues
It is added in mixing machine and stirs, until mixing is abundant；Above-mentioned uniformly mixed raw material is mixed 8 minutes in 100 DEG C of masticator,
Obtain homogeneous mixture；Obtained homogeneous mixture is added to double screw extruder and squeezes out pelletizing through plasticizing, by vibrating screen
Postcooling of being sieved packaging.
Wherein, masticator rotating speed is 550r/min, and double screw extruder temperature range is：120 DEG C of feeding section, transportation section
130 DEG C, 138 DEG C of melt zone, 150 DEG C of head, it is 130 DEG C to squeeze out blank temperature, and cooling temperature is 40 DEG C.
Embodiment 2
A kind of halide-free low-smoke fireproof cable material, includes the raw material of following parts by weight：75 parts of polyvinyl chloride, ammonium molybdate are mixed with chromium oxide
Close 4 parts of object, 10 parts of expansible graphite, by 8 parts of the triethyl citrate that polyvinyl butyral is modified, perlite, lightweight carbon
20 parts of sour calcium and talc mixture, hindered phenol anti-oxidants：Thioesters class antioxidant=1：3 parts of 3 mixture.
Each raw material is weighed according to the number of component proportion；By the polyvinyl chloride of precise and plasticizer, filling
Agent is put into mixing machine and mixes 10 minutes, then sequentially adds load weighted smoke suppressant, expansible graphite and antioxidant, continues
It is added in mixing machine and stirs, until mixing is abundant；Above-mentioned uniformly mixed raw material is mixed 8 minutes in 110 DEG C of masticator,
Obtain homogeneous mixture；Obtained homogeneous mixture is added to double screw extruder and squeezes out pelletizing through plasticizing, by vibrating screen
Postcooling of being sieved packaging.
Wherein, masticator rotating speed is 550r/min, and double screw extruder temperature range is：125 DEG C of feeding section, transportation section
135 DEG C, 140 DEG C of melt zone, 160 DEG C of head, it is 140 DEG C to squeeze out blank temperature, and cooling temperature is 45 DEG C.
Embodiment 3
A kind of halide-free low-smoke fireproof cable material, includes the raw material of following parts by weight：90 parts of polyvinyl chloride, molybdenum oxide and iron oxide,
0.5 part of zinc oxide mix, 5 parts of expansible graphite, by 3 parts of the octyl epoxy stearate that polyvinyl butyral is modified, kaolinite
16 parts of soil, talcum powder and precipitated calcium carbonate mixture, hindered phenol anti-oxidants：Thioesters class antioxidant=1：1 part of 2 mixture.
Each raw material is weighed according to the number of component proportion；By the polyvinyl chloride of precise and plasticizer, filling
Agent is put into mixing machine and mixes 5 minutes, then sequentially adds load weighted smoke suppressant, expansible graphite and antioxidant, continues
It is added in mixing machine and stirs, until mixing is abundant；Above-mentioned uniformly mixed raw material is mixed 6 minutes in 90 DEG C of masticator,
Obtain homogeneous mixture；Obtained homogeneous mixture is added to double screw extruder and squeezes out pelletizing through plasticizing, by vibrating screen
Postcooling of being sieved packaging.
Wherein, masticator rotating speed is 550r/min, and double screw extruder temperature range is：115 DEG C of feeding section, transportation section
125 DEG C, 135 DEG C of melt zone, 140 DEG C of head, it is 120 DEG C to squeeze out blank temperature, and cooling temperature is 37 DEG C.
Following table is the testing result of CABLE MATERIALS obtained by embodiment 1-3：
Each embodiment is described by the way of progressive in this specification, and the highlights of each of the examples are implement with other
The difference of example, just to refer each other for identical similar portion between each embodiment.For the device disclosed in the embodiment,
Since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part illustration
It can.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of halide-free low-smoke fireproof cable material, which is characterized in that include the raw material of following mass fraction：
75-90 parts of polyvinyl chloride
0.5-4 parts of smoke suppressant
5-10 parts of expansible graphite
3-8 parts of plasticizer
16-20 parts of filler
1-3 parts of antioxidant.
2. a kind of halide-free low-smoke fireproof cable material according to claim 1, which is characterized in that including following mass fraction
Raw material：
82 parts of polyvinyl chloride
2 parts of smoke suppressant
8 parts of expansible graphite
6 parts of plasticizer
18 parts of filler
2 parts of antioxidant.
3. a kind of halide-free low-smoke fireproof cable material according to claim 1 or 2, which is characterized in that the smoke suppressant is oxygen
Change the mixture of molybdenum and/or ammonium molybdate and metal oxide.
4. a kind of halide-free low-smoke fireproof cable material according to claim 3, which is characterized in that the metal oxide is oxygen
Change the mixture of one or more of copper, iron oxide, chromium oxide, zinc oxide.
5. a kind of halide-free low-smoke fireproof cable material according to claim 1 or 2, which is characterized in that the plasticizer is warp
Cross the triethyl citrate or octyl epoxy stearate of polyvinyl butyral modification.
6. a kind of halide-free low-smoke fireproof cable material according to claim 1 or 2, which is characterized in that the filler is treasure
The mixture of one or more of Zhu Yan, talcum powder, precipitated calcium carbonate, kaolin.
7. a kind of halide-free low-smoke fireproof cable material according to claim 1 or 2, which is characterized in that the antioxidant is
Hindered phenol anti-oxidants：Thioesters class antioxidant=1：（1-3）Mixture.
8. a kind of preparation method according to claim 1-7 any one of them halide-free low-smoke fireproof cable material, which is characterized in that
Include the following steps：
（1）Each raw material is weighed according to the number of component proportion；
（2）The polyvinyl chloride of precise is put into plasticizer, filler in mixing machine and is mixed 5-10 minutes, is then added successively
Enter load weighted smoke suppressant, expansible graphite and antioxidant, continuously add in mixing machine and stir, until mixing is abundant；
（3）Above-mentioned uniformly mixed raw material is mixed 5-8 minutes in 90-110 DEG C of masticator, obtains homogeneous mixture；
（4）Obtained homogeneous mixture is added to double screw extruder and squeezes out pelletizing through plasticizing, it is cold after vibrating screen is sieved
But it packs.
9. a kind of preparation method of halide-free low-smoke fireproof cable material according to claim 8, which is characterized in that the kneading
Machine rotating speed is 550r/min, and double screw extruder temperature range is：115-125 DEG C of feeding section, 125-135 DEG C of transportation section, melting
135-140 DEG C of section, 140-160 DEG C of head, it is 120-140 DEG C to squeeze out blank temperature, and cooling temperature is 45 DEG C or less.
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| CN109920582A (en) * | 2019-01-28 | 2019-06-21 | 芜湖航天特种电缆厂股份有限公司 | Corrosion-resistant anti-mildew cable and preparation method thereof |
| CN110194873A (en) * | 2019-05-17 | 2019-09-03 | 许艳辉 | A kind of modified additive preparation process improving PVC material thermal stability |
| CN111040104A (en) * | 2019-12-31 | 2020-04-21 | 浙江华江科技股份有限公司 | Sound-absorbing flame-retardant vegetable oil-based polyurethane foam material and preparation method thereof |
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| CN110194873A (en) * | 2019-05-17 | 2019-09-03 | 许艳辉 | A kind of modified additive preparation process improving PVC material thermal stability |
| CN111040104A (en) * | 2019-12-31 | 2020-04-21 | 浙江华江科技股份有限公司 | Sound-absorbing flame-retardant vegetable oil-based polyurethane foam material and preparation method thereof |
| CN111040104B (en) * | 2019-12-31 | 2022-04-19 | 浙江华江科技股份有限公司 | Sound-absorbing flame-retardant vegetable oil-based polyurethane foam material and preparation method thereof |
| CN111253638A (en) * | 2020-03-19 | 2020-06-09 | 罗贵义 | Novel porous convex-concave structure fireproof flame-retardant plate elastic material and preparation method and application thereof |
| CN112920317A (en) * | 2021-01-28 | 2021-06-08 | 湖北工业大学 | Complex containing copper ions and molybdate ions and preparation method thereof |
| CN112920526A (en) * | 2021-01-28 | 2021-06-08 | 湖北工业大学 | Preparation method of flame-retardant smoke-suppressing PVC (polyvinyl chloride) plate containing copper ions and molybdate ion complexes |
| CN112920527A (en) * | 2021-01-28 | 2021-06-08 | 湖北工业大学 | Flame-retardant smoke-suppressing PVC (polyvinyl chloride) plate containing iron ions and molybdate ion complexes and preparation method thereof |
| CN112920318B (en) * | 2021-01-28 | 2022-04-01 | 湖北工业大学 | Coordination compound containing iron ions and molybdate ions, organic matrix and preparation method thereof |
| CN112920526B (en) * | 2021-01-28 | 2022-04-01 | 湖北工业大学 | Preparation method of flame-retardant smoke-suppressing PVC (polyvinyl chloride) plate containing copper ions and molybdate ion complexes |
| CN112920317B (en) * | 2021-01-28 | 2022-04-01 | 湖北工业大学 | Complex containing copper ions and molybdate ions and preparation method thereof |
| CN112920527B (en) * | 2021-01-28 | 2022-04-01 | 湖北工业大学 | Flame-retardant smoke-suppressing PVC (polyvinyl chloride) plate containing iron ions and molybdate ion complexes and preparation method thereof |
| CN112920318A (en) * | 2021-01-28 | 2021-06-08 | 湖北工业大学 | Coordination compound containing iron ions and molybdate ions, organic matrix and preparation method thereof |
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