CN115028912A - Low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material - Google Patents
Low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 93
- 239000003063 flame retardant Substances 0.000 title claims abstract description 66
- 239000000779 smoke Substances 0.000 title claims abstract description 62
- 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 claims abstract description 60
- 231100000053 low toxicity Toxicity 0.000 title claims abstract description 37
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 75
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 28
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 28
- 239000004014 plasticizer Substances 0.000 claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 26
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims description 91
- 239000007787 solid Substances 0.000 claims description 36
- 238000001125 extrusion Methods 0.000 claims description 28
- 239000004615 ingredient Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 25
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 14
- 230000003179 granulation Effects 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 230000000737 periodic effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 239000004135 Bone phosphate Substances 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 239000004115 Sodium Silicate Substances 0.000 claims description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 229910001377 aluminum hypophosphite Inorganic materials 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 7
- 239000008116 calcium stearate Substances 0.000 claims description 7
- 235000013539 calcium stearate Nutrition 0.000 claims description 7
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims description 7
- 229920002545 silicone oil Polymers 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- 230000001988 toxicity Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 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
- 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
-
- 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
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- 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
- C08L2201/22—Halogen free composition
-
- 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 relates to the technical field of sheath material preparation, in particular to a low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material, which aims at solving the problems that the toxicity of raw materials used in the preparation process of the existing sheath material is high, and the environmental pollution rate is high due to large smoke generated when the prepared sheath is combusted, and provides the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material, which comprises the following raw materials in parts by weight: 80-100 parts of polyolefin resin, 50-70 parts of halogen-free non-toxic flame retardant, 30-50 parts of smoke suppressor, 10-30 parts of stabilizer, 15-25 parts of plasticizer, 5-20 parts of calcium carbonate and 0-15 parts of lubricant.
Description
Technical Field
The invention relates to the technical field of sheath material preparation, in particular to a low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material.
Background
With the rapid development of the industries such as metallurgy, electric power, electronics, automation, information networks and the like in China, the consumption of wires and cables, particularly flame-retardant wires and cables, which are matched with the electric power cable, the control cable, the signal cable, the instrument cable, the computer cable and the like is increased rapidly. The traditional flame-retardant cable generally adopts polyvinyl chloride as a sheath, and although the polyvinyl chloride material has the characteristics of good flame retardance, low price, good process and the like, the halogen-containing flame-retardant cable can emit a large amount of hydrogen halide gas and dense smoke during combustion to cause secondary hazard of fire, thereby increasing the loss of the fire. In particular, many scientific researches have proved that the harm of halide to human health and environment is more and more serious, and the halogen-free low-smoke halogen-free flame-retardant cable material is widely used and has great development potential with the attention of the world to environmental problems, and particularly has the potential of completely replacing polyvinyl chloride in the occasions of cables for subways, ships, high-rise buildings and oil platforms, electric wires for household appliances, low-voltage electric wires of automobiles and the like.
However, the existing sheath material has the problems that the toxicity of raw materials used in the preparation process is high, and the environmental pollution rate is high due to large smoke generated when the prepared sheath is combusted, so that the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that the raw materials used in the preparation process of the existing sheath material are high in toxicity, the environmental pollution rate is high due to large smoke generated when the prepared sheath is combusted and the like, and provides the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material.
In order to achieve the purpose, the invention adopts the following technical scheme:
the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 80-100 parts of polyolefin resin, 50-70 parts of halogen-free non-toxic flame retardant, 30-50 parts of smoke suppressor, 10-30 parts of stabilizer, 15-25 parts of plasticizer, 5-20 parts of calcium carbonate and 0-15 parts of lubricant;
preferably, the feed comprises the following raw materials in parts by weight: 85-100 parts of polyolefin resin, 50-65 parts of halogen-free non-toxic flame retardant, 30-48 parts of smoke suppressor, 10-27 parts of stabilizer, 15-23 parts of plasticizer, 5-18 parts of calcium carbonate and 2-15 parts of lubricant;
preferably, the feed comprises the following raw materials in parts by weight: 90-100 parts of polyolefin resin, 50-60 parts of halogen-free non-toxic flame retardant, 30-45 parts of smoke suppressor, 10-22 parts of stabilizer, 15-20 parts of plasticizer, 5-16 parts of calcium carbonate and 2-10 parts of lubricant;
preferably, the halogen-free non-toxic flame retardant is prepared from aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of 3: 2: 2: 1, the smoke suppressor is a solution with 15 percent of ferrocene, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required for preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing compound are manually selected, the selected solid raw materials, namely the polyolefin resin, the halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 3-5cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, the crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing compound after crushing is finished, wherein the solid raw material accounts for 80% of the sheath material ingredients, the liquid raw material accounts for 20%, the formed sheath material ingredients are manually put into a stirrer for stirring, the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheath material ingredients are put into a high-temperature furnace for heating to form sheath material solution, the temperature of the high-temperature furnace is kept at 400 ℃ at 300-, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, meanwhile, the sent-out sheath is manually and intensively collected and stored, wherein the temperature of a storage chamber is kept between 20 and 25 ℃ when the storage is carried out, the same-number coding is carried out on the sheaths produced in the same batch for warehousing, and the professional personnel carry out sampling inspection on the stored sheaths at regular intervals, wherein the interval time of periodic sampling inspection is 4 months, and whether the sheath that the content of inspection is production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for with batch number sheath, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
Compared with the prior art, the invention has the beneficial effects that:
the raw materials used in the preparation process of the sheath material are nontoxic or low in toxicity, and the raw materials do not contain halogen, so that the smoke generated when the sheath is burnt is small, and the environmental pollution rate generated when the sheath is used is reduced.
The invention aims to reduce the smoke generated when the sheath burns and reduce the environmental pollution rate generated when the sheath is used by using the sheath material which is nontoxic or has low toxicity and does not contain halogen in the raw materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 95 parts of polyolefin resin, 55 parts of halogen-free non-toxic flame retardant, 40 parts of smoke suppressor, 15 parts of stabilizer, 18 parts of plasticizer, 12 parts of calcium carbonate and 6 parts of lubricant, wherein the halogen-free non-toxic flame retardant is prepared from aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of (3): 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene content, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required by preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing material are manually selected, the selected solid raw materials, namely polyolefin resin, a halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 4cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing material ingredients after crushing is finished, wherein solid raw materials account for 80% of the ingredients of the sheathing material, liquid raw materials account for 20%, and the formed sheathing material ingredients are manually put into a stirrer for stirring, wherein the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheathing material ingredients are put into a high-temperature furnace for heating to form sheathing material solution, the temperature of the high-temperature furnace is kept at 350 ℃ during heating, the heating time is 33min, an infrared temperature detector is arranged at the top of the high-temperature furnace, the temperature is manually monitored in real time through a display instrument connected with the infrared temperature detector during heating, the temperature data on the display instrument is judged and processed according to the judgment result, the temperature data on the display instrument is not processed within the specified temperature range according to the judgment result, the technical calling is manually performed if the temperature data on the display instrument is not within the specified temperature range according to the judgment result, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, the sent-out sheath is manually collected and stored, the temperature of a storage chamber is kept at 23 ℃ when the storage is carried out, the sheaths produced in the same batch are coded and warehoused, and the stored sheaths are regularly sampled and inspected by professional personnel, wherein the interval time of periodic sampling inspection is 4 months, and whether the sheath that the content of inspection is production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for with batch number sheath, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
Example two
The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 100 parts of polyolefin resin, 60 parts of halogen-free nontoxic flame retardant, 45 parts of smoke suppressor, 22 parts of stabilizer, 20 parts of plasticizer, 16 parts of calcium carbonate and 10 parts of lubricant, wherein the halogen-free nontoxic flame retardant is prepared by mixing aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of 3: 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene content, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required by preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing material are manually selected, the selected solid raw materials, namely polyolefin resin, a halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 5cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing material ingredients after crushing is finished, wherein solid raw materials account for 80% of the ingredients of the sheathing material, liquid raw materials account for 20%, and the formed sheathing material ingredients are manually put into a stirrer for stirring, wherein the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheathing material ingredients are put into a high-temperature furnace for heating to form sheathing material solution, the temperature of the high-temperature furnace is kept at 400 ℃ during heating, the heating time is 35min, an infrared temperature detector is arranged at the top of the high-temperature furnace, the temperature is manually monitored in real time through a display instrument connected with the infrared temperature detector during heating, the temperature data on the display instrument is judged and processed according to the judgment result, the temperature data on the display instrument is not processed within the specified temperature range according to the judgment result, the technical calling is manually performed if the temperature data on the display instrument is not within the specified temperature range according to the judgment result, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, the sent-out sheath is manually collected and stored, the temperature of a storage chamber is kept at 25 ℃ when the storage is carried out, the sheaths produced in the same batch are coded and warehoused, and the stored sheaths are regularly sampled and inspected by professional personnel, wherein the interval time of periodic sampling inspection is 4 months, and the inspection content is whether the sheath of production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for the sheath of same batch number, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
EXAMPLE III
The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 100 parts of polyolefin resin, 60 parts of halogen-free nontoxic flame retardant, 45 parts of smoke suppressor, 22 parts of stabilizer, 20 parts of plasticizer, 16 parts of calcium carbonate and 10 parts of lubricant, wherein the halogen-free nontoxic flame retardant is prepared by mixing aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of 3: 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene content, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required by preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing material are manually selected, the selected solid raw materials, namely polyolefin resin, a halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 5cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing material ingredients after crushing is finished, wherein solid raw materials account for 80% of the ingredients of the sheathing material, liquid raw materials account for 20%, and the formed sheathing material ingredients are manually put into a stirrer for stirring, wherein the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheathing material ingredients are put into a high-temperature furnace for heating to form sheathing material solution, the temperature of the high-temperature furnace is kept at 400 ℃ during heating, the heating time is 35min, an infrared temperature detector is arranged at the top of the high-temperature furnace, the temperature is manually monitored in real time through a display instrument connected with the infrared temperature detector during heating, the temperature data on the display instrument is judged and processed according to the judgment result, the temperature data on the display instrument is not processed within the specified temperature range according to the judgment result, the technical calling is manually performed if the temperature data on the display instrument is not within the specified temperature range according to the judgment result, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, the sent-out sheath is manually collected and stored, the temperature of a storage chamber is kept at 25 ℃ when the storage is carried out, the sheaths produced in the same batch are coded and warehoused, and the stored sheaths are regularly sampled and inspected by professional personnel, wherein the interval time of periodic sampling inspection is 4 months, and whether the sheath that the content of inspection is production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for with batch number sheath, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
Example four
The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 98 parts of polyolefin resin, 58 parts of halogen-free non-toxic flame retardant, 43 parts of smoke suppressor, 13 parts of stabilizer, 16 parts of plasticizer, 8 parts of calcium carbonate and 7 parts of lubricant, wherein the halogen-free non-toxic flame retardant is prepared from aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of 3: 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene content, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required by preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing material are manually selected, the selected solid raw materials, namely polyolefin resin, a halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 4cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing material ingredients after crushing is finished, wherein solid raw materials account for 80% of the ingredients of the sheathing material, liquid raw materials account for 20%, and the formed sheathing material ingredients are manually put into a stirrer for stirring, wherein the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheathing material ingredients are put into a high-temperature furnace for heating to form sheathing material solution, the temperature of the high-temperature furnace is kept at 330 ℃ during heating, the heating time is 31min, an infrared temperature detector is arranged at the top of the high-temperature furnace, the temperature is manually monitored in real time through a display instrument connected with the infrared temperature detector during heating, the temperature data on the display instrument is judged and processed according to the judgment result, the temperature data on the display instrument is not processed within the specified temperature range according to the judgment result, the technical calling is manually performed if the temperature data on the display instrument is not within the specified temperature range according to the judgment result, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, meanwhile, the sent-out sheath is manually and intensively collected and stored, wherein the temperature of a storage chamber is kept at 21 ℃ when the storage is carried out, the sheaths produced in the same batch are coded and put in storage, and the stored sheaths are regularly sampled and inspected by professional personnel, wherein the interval time of periodic sampling inspection is 4 months, and whether the sheath that the content of inspection is production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for with batch number sheath, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
EXAMPLE five
The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material comprises the following raw materials in parts by weight: 93 parts of polyolefin resin, 52 parts of halogen-free non-toxic flame retardant, 41 parts of smoke suppressor, 19 parts of stabilizer, 17 parts of plasticizer, 14 parts of calcium carbonate and 9 parts of lubricant, wherein the halogen-free non-toxic flame retardant is prepared from aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of (3): 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene content, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, the lubricant is silicone oil, raw materials required by preparing the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing material are manually selected, the selected solid raw materials, namely polyolefin resin, a halogen-free non-toxic flame retardant, the stabilizer and calcium carbonate are treated, the selected solid raw materials are firstly crushed by a wall breaking machine during treatment, a mesh screen with the aperture of 5cm is manually adopted for screening after crushing is finished, the solid raw materials with the diameter larger than the aperture of the mesh screen are secondarily crushed until the diameter of the solid raw materials is smaller than the aperture of the mesh screen, crushing is stopped, and the rest raw materials are added according to the proportion to form sheathing material ingredients after crushing is finished, wherein solid raw materials account for 80% of the ingredients of the sheathing material, liquid raw materials account for 20%, and the formed sheathing material ingredients are manually put into a stirrer for stirring, wherein the stirring speed of the stirrer is 10r/min during stirring, the stirring time is 20min, the stirred sheathing material ingredients are put into a high-temperature furnace for heating to form sheathing material solution, the temperature of the high-temperature furnace is kept at 390 ℃ during heating, the heating time is 34min, an infrared temperature detector is arranged at the top of the high-temperature furnace, the temperature is manually monitored in real time through a display instrument connected with the infrared temperature detector during heating, the temperature data on the display instrument is judged and processed according to the judgment result, the temperature data on the display instrument is not processed within the specified temperature range according to the judgment result, the technical calling is manually performed if the temperature data on the display instrument is not within the specified temperature range according to the judgment result, and is processed by technical personnel, the formed sheath material solution is put into an extruder for extrusion granulation, wherein the extrusion strength of the extruder is 200MPa when the extrusion granulation is carried out, and the formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated in the sheath forming die before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the natural cooling is carried out in the die after the sheath is formed, the sheath is automatically sent out of the die by the extruder when the surface temperature of the sheath is lower than 30 ℃ when the natural cooling is carried out, the sent-out sheath is manually collected and stored, the temperature of a storage chamber is kept at 24 ℃ when the storage is carried out, the sheaths produced in the same batch are coded and warehoused, and the stored sheaths are regularly sampled and inspected by professional personnel, wherein the interval time of periodic sampling inspection is 4 months, and whether the sheath that the content of inspection is production is low smoke zero halogen low toxicity fire-retardant polyolefin sheath, the sampling inspection is used for with batch number sheath, and the inspection sample number: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
The low-smoke, halogen-free and low-toxicity flame-retardant polyolefin sheath materials in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment are tested, and the following results are obtained:
compared with the existing sheathing material, the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing materials prepared in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment have the advantage that the environmental pollution rate is obviously reduced, and the first embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material is characterized by comprising the following raw materials in parts by weight: 80-100 parts of polyolefin resin, 50-70 parts of halogen-free non-toxic flame retardant, 30-50 parts of smoke suppressor, 10-30 parts of stabilizer, 15-25 parts of plasticizer, 5-20 parts of calcium carbonate and 0-15 parts of lubricant.
2. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 85-100 parts of polyolefin resin, 50-65 parts of halogen-free non-toxic flame retardant, 30-48 parts of smoke suppressor, 10-27 parts of stabilizer, 15-23 parts of plasticizer, 5-18 parts of calcium carbonate and 2-15 parts of lubricant.
3. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 90-100 parts of polyolefin resin, 50-60 parts of halogen-free non-toxic flame retardant, 30-45 parts of smoke suppressor, 10-22 parts of stabilizer, 15-20 parts of plasticizer, 5-16 parts of calcium carbonate and 2-10 parts of lubricant.
4. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material according to claim 3, wherein the halogen-free non-toxic flame retardant is prepared from aluminum hypophosphite, aluminum hydroxide, potassium hydroxide and sodium silicate in a volume ratio of 3: 2: 2: 1, the smoke suppressor is a solution with 15% of ferrocene, the stabilizer is formed by mixing tribasic lead salt, dibasic lead salt, calcium stearate and zinc stearate in the same volume ratio, the plasticizer is a phosphate plasticizer, and the lubricant is silicone oil.
5. The sheath material of low smoke zero halogen low toxicity flame retardant polyolefin of claim 3, characterized in that, the raw material needed for preparing the sheath material is manually selected, and the selected solid raw material polyolefin resin, the halogen-free nontoxic flame retardant, the stabilizer and the calcium carbonate are processed, wherein the selected solid raw material is firstly crushed by a wall breaking machine when being processed, and after the crushing is completed, the selected solid raw material is manually screened by a mesh screen with the aperture of 3-5cm, the solid raw material with the diameter larger than the aperture of the mesh screen is secondarily crushed until the diameter of the solid raw material is smaller than the aperture of the mesh screen, the crushing is stopped, the rest raw materials are added according to the proportion to form the sheath material ingredient, wherein the solid raw material accounts for 80% of the sheath material ingredient, the liquid raw material accounts for 20% of the sheath material ingredient, and the formed sheath material ingredient is manually put into a stirrer to be stirred, wherein the stirring speed of the stirrer is 10r/min and the stirring time is 20 min.
6. The low smoke zero halogen low toxicity flame retardant polyolefin sheath material according to claim 5, characterized in that the stirred sheath material ingredients are put into a high temperature furnace for heating to form sheath material solution, wherein the temperature of the high temperature furnace is maintained at 300-400 ℃ during heating, the heating time is 30-35min, an infrared temperature detector is arranged at the top of the high temperature furnace, real-time temperature monitoring is carried out manually through a display instrument connected with the infrared temperature detector during heating, judgment is carried out through temperature data on the display instrument, processing is carried out through the judgment result, the temperature data on the display instrument is displayed by the judgment result and is not processed within the specified temperature range, and the temperature data on the display instrument is displayed by the judgment result, is called manually and is processed by technical personnel when the temperature data is not displayed within the specified temperature range.
7. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheathing compound according to claim 6, wherein the formed sheathing compound solution is put into an extruder for extrusion granulation, wherein the extrusion intensity of an extruder is 200MPa when extrusion granulation is carried out, and formed sheath material particles are put into a sheath forming die to produce a sheath after the extrusion is finished, wherein the sheath material particles are manually preheated before being put into the sheath forming die, the preheating temperature is kept above 300 ℃, the temperature is naturally reduced in a mould after the sheath is formed, wherein when the temperature of the surface of the sheath is lower than 30 ℃ during natural cooling, the sheath is automatically sent out of the die by the extruder, and meanwhile, the sent sheath is collected and stored manually, wherein the temperature of the storage chamber is kept between 20 and 25 ℃ when the sheaths produced in the same batch are stored, and the sheaths produced in the same batch are coded and put in storage in the same batch.
8. The low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath material according to claim 7, characterized in that a stored sheath is subjected to periodic sampling inspection by a professional, wherein the interval time of the periodic sampling inspection is 4 months, whether the produced sheath is the low-smoke halogen-free low-toxicity flame-retardant polyolefin sheath is inspected, the sampling inspection is used for sheaths of the same batch number, and the number of the inspected samples is as follows: the number of products in the same batch is 1: and 100, after the inspection is finished, comparing the inspection data with the existing sheath data by a professional, processing the inspection data through a comparison result, recording the inspection data when the comparison result shows that the inspection data is within an error range, reporting the inspection data by the professional when the comparison result shows that the inspection data is not within the error range, and destroying the sheaths of the same batch number where the inspection samples of which the inspection data is not within the error range by a superior management department.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115620211A (en) * | 2022-12-06 | 2023-01-17 | 广东祥利科技有限公司 | Performance data processing method and system of flame-retardant low-smoke halogen-free sheath |
| CN115819747A (en) * | 2022-11-04 | 2023-03-21 | 重庆清徽节能环保科技有限公司 | Flame-retardant polycarbonate prepolymer with intrinsic sulfonate and compound thereof |
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