CN114456519A - Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material - Google Patents
Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material Download PDFInfo
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- CN114456519A CN114456519A CN202210227605.9A CN202210227605A CN114456519A CN 114456519 A CN114456519 A CN 114456519A CN 202210227605 A CN202210227605 A CN 202210227605A CN 114456519 A CN114456519 A CN 114456519A
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- 239000000463 material Substances 0.000 title claims abstract description 117
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 50
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 50
- 239000003063 flame retardant Substances 0.000 title claims abstract description 43
- 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 42
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 30
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000003851 corona treatment Methods 0.000 claims abstract description 16
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 15
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 15
- 239000006084 composite stabilizer Substances 0.000 claims abstract description 15
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 15
- 239000003549 soybean oil Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Abstract
The invention discloses an environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, which belongs to the technical field of polyvinyl chloride sheaths and comprises the following materials: polyvinyl chloride type 2 resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant; the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material has high tensile strength and high tensile strain at break, meets the environment-friendly ROHS2.0 requirement, and simultaneously meets the requirement of wide processing temperature of a discharge cable; when the product is used for laying cables, the fluidity is good, the surface smoothness is smooth and fine, the brightness index is high, a mixed material is extruded by a seven-temperature-zone double-screw extruder in the production process of the material, the extrusion effect of the material can be improved due to the temperatures of different temperature zones, the subsequent forming effect of the material is improved, and meanwhile, a corona treatment process is also arranged in the production process, so that the surface tension of the material can be effectively improved, the tensile property of the material is stably improved, and the product quality is improved.
Description
Technical Field
The invention belongs to the technical field of polyvinyl chloride sheaths, and particularly relates to an environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material.
Background
Polyvinyl chloride is a polymer, and generally speaking, is a polymer obtained by polymerizing Vinyl Chloride Monomer (VCM) in the presence of initiators such as peroxides and azo compounds, or in the presence of light and heat according to a radical polymerization mechanism, and is widely used in many fields.
Some polyvinyl chloride sheaths appear in the market today for the packing of cable, but polyvinyl chloride sheath material tensile strength is big enough, the tensile strain at break if, and also do not accord with the demand of environmental protection when producing, and the result of use often can not reach anticipated requirement, in order to solve this problem, urgent need be an environmental protection high temperature fire-retardant polyvinyl chloride sheath material.
Disclosure of Invention
The invention aims to: the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing material is provided for solving the problems that some polyvinyl chloride sheathing materials appear in the market at present and are used for packaging cables, but the polyvinyl chloride sheathing material has insufficient tensile strength, has a good tensile strain at break, does not meet the requirement of environmental protection during production, and has an effect of use which cannot meet the expected requirement.
In order to achieve the purpose, the invention adopts the following technical scheme: the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material comprises the following materials: polyvinyl chloride 2 type resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant.
As a further description of the above technical solution:
the weight portions of the polyvinyl chloride 2-type resin powder, the trioctyl trimellitate, the epoxidized soybean oil, the dioctyl sebacate, the calcium-zinc composite stabilizer, the lubricant, the environment-friendly flame retardant, the smoke suppressant, the light calcium carbonate and the antioxidant are respectively 120 portions, 30-35 portions, 12-18 portions, 5-10 portions, 8-10 portions, 0.5-1.2 portions, 8-10 portions, 5-8 portions, 10-20 portions and 0.1-0.5 portion.
The invention also provides a preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, which comprises the following steps:
s1, placing the polyvinyl chloride 2 type resin powder and trioctyl trimellitate in a high-temperature mixing device, providing a certain temperature, and keeping a certain rotating speed to mix and stir the materials;
s2, in the stirring process, gradually adding trioctyl trimellitate, epoxidized soybean oil and a lubricant into the mixed material, continuously increasing the mixing speed, increasing the temperature and continuously stirring;
s3, adding dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant into the mixture, keeping the temperature, and continuously increasing the rotating speed for mixing treatment;
s4, gradually adding light calcium carbonate and an antioxidant into the mixed material, increasing the temperature, reducing the mixing speed, and mixing;
s5, introducing the mixed material into a seven-temperature-zone double-screw extruder, and gradually extruding the mixed material;
s6, collecting the extruded material and leading the material into a mould;
s7, taking down the formed material, carrying out corona treatment on the formed material, and carrying out roller treatment after corona treatment;
and S8, rolling, and taking down the finished product for storage.
As a further description of the above technical solution:
in the step S1, the polyvinyl chloride 2 type resin powder and the trioctyl trimellitate are placed in a high-temperature mixing device, the temperature is increased to 180 ℃, and the rotating speed of 60-80r/min is maintained to carry out mixing and stirring treatment on the materials.
As a further description of the above technical solution:
in the step S2, in the stirring process, the trioctyl trimellitate, the epoxidized soybean oil and the lubricant are gradually added into the mixed material, the mixing speed is continuously increased to 160r/min, and the stirring is continuously carried out at the temperature of 200-220 ℃.
As a further description of the above technical solution:
in the step S3, dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant are added into the mixed material, the temperature is kept, the rotating speed is continuously increased to 200-220r/min, and mixing treatment is carried out.
As a further description of the above technical solution:
in the step S4, adding light calcium carbonate and an antioxidant into the mixture step by step, raising the temperature to 240-260 ℃, reducing the mixing speed to 60-80r/min, and mixing until the mixture is sticky.
As a further description of the above technical solution:
in S5, the mixed material is introduced into a seven-temperature-zone twin-screw extruder to gradually extrude the mixed material, wherein the temperatures of the seven temperature zones are respectively 140-.
As a further description of the above technical solution:
in S6, the extruded material is collected and introduced into a die, and the material is rapidly cooled and molded.
As a further description of the above technical solution:
and in the step S7, taking down the molded material, carrying out corona treatment on the molded material, and carrying out roller treatment at 25-35 ℃ after corona.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material has high tensile strength and strong breaking tensile strain, meets the ROHS2.0 environment-friendly requirement, and simultaneously meets the requirement of wide processing temperature of a discharge cable; when the cable is laid on the product, the fluidity is good, the surface smoothness is smooth and fine, the brightness index is high, the mixed material is extruded by a double-screw extruder with seven temperature zones in the production process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, the extrusion effect of the material can be improved due to the temperatures of different temperature zones, the subsequent forming effect of the material can be improved, the corona treatment process is also arranged in the production process, the surface tension of the material can be effectively improved, the tensile property of the material can be stably improved, and the product quality can be improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material comprises the following materials: polyvinyl chloride 2 type resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant, wherein the weight of each component is respectively 120 parts, 30-35 parts, 12-18 parts, 5-10 parts, 8-10 parts, 0.5-1.2 parts, 8-10 parts, 5-8 parts, 10-20 parts and 0.1-0.5 part;
the invention also provides a preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, which comprises the following steps:
s1, placing the polyvinyl chloride 2 type resin powder and trioctyl trimellitate in a high-temperature mixing device, providing a temperature of 150 ℃, and keeping the rotating speed of 60r/min to mix and stir the materials;
s2, gradually adding trioctyl trimellitate, epoxidized soybean oil and a lubricant into the mixed material in the stirring process, continuously increasing the mixing speed to 120r/min, increasing the temperature to 200 ℃ and continuously stirring;
s3, adding dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant into the mixture, keeping the temperature, continuously increasing the rotating speed to 200r/min, and mixing;
s4, gradually adding light calcium carbonate and an antioxidant into the mixed material, raising the temperature to 240 ℃, reducing the mixing speed to 60r/min, and mixing until the mixed material is viscous;
s5, introducing the mixed material into a seven-temperature-zone double-screw extruder, and gradually extruding the mixed material, wherein the temperatures of the seven temperature zones are respectively 140-;
s6, collecting the extruded material, guiding the material into a mould, and rapidly cooling and forming the material;
s7, taking down the formed material, carrying out corona treatment on the formed material, and carrying out roller treatment at 25 ℃ after corona treatment;
and S8, rolling, and taking down the finished product for storage.
In the embodiment, the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material has high tensile strength and high tensile strain at break, meets the ROHS2.0 environment-friendly requirement, and simultaneously meets the requirement of wide processing temperature of a discharge cable; when the product is used for laying cables, the product has good fluidity, and the surface smoothness is smooth, fine and high in brightness.
Example 2
The invention provides a technical scheme that: the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material comprises the following materials: polyvinyl chloride 2 type resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant, wherein the weight of each component is respectively 120 parts, 30-35 parts, 12-18 parts, 5-10 parts, 8-10 parts, 0.5-1.2 parts, 8-10 parts, 5-8 parts, 10-20 parts and 0.1-0.5 part;
the invention also provides a preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, which comprises the following steps:
s1, placing the polyvinyl chloride 2 type resin powder and trioctyl trimellitate in a high-temperature mixing device, providing 160 ℃, and keeping the rotating speed of 70r/min to mix and stir the materials;
s2, gradually adding trioctyl trimellitate, epoxidized soybean oil and a lubricant into the mixed material in the stirring process, continuously increasing the mixing speed to 140r/min, increasing the temperature to 210 ℃ and continuously stirring;
s3, adding dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant into the mixture, keeping the temperature, continuously increasing the rotating speed to 210r/min, and mixing;
s4, gradually adding light calcium carbonate and an antioxidant into the mixed material, raising the temperature to 250 ℃, reducing the mixing speed to 70r/min, and mixing until the mixed material is viscous;
s5, introducing the mixed material into a seven-temperature-zone double-screw extruder, and gradually extruding the mixed material, wherein the temperatures of the seven temperature zones are respectively 140-;
s6, collecting the extruded material, guiding the material into a mould, and rapidly cooling and forming the material;
s7, taking down the formed material, carrying out corona treatment on the formed material, and carrying out roller treatment at 30 ℃ after corona treatment;
and S8, rolling, and taking down the finished product for storage.
In the embodiment, the mixed material is extruded by the seven-temperature-zone double-screw extruder in the production process, and the extrusion effect of the material can be improved and the subsequent forming effect of the material can be improved at different temperature zones.
Example 3
The invention provides a technical scheme that: the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material comprises the following materials: polyvinyl chloride 2 type resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant, wherein the weight of each component is respectively 120 parts, 30-35 parts, 12-18 parts, 5-10 parts, 8-10 parts, 0.5-1.2 parts, 8-10 parts, 5-8 parts, 10-20 parts and 0.1-0.5 part;
the invention also provides a preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material, which comprises the following steps:
s1, placing the polyvinyl chloride 2 type resin powder and trioctyl trimellitate in a high-temperature mixing device, providing 180 ℃, and keeping the rotating speed of 80r/min to mix and stir the materials;
s2, gradually adding trioctyl trimellitate, epoxidized soybean oil and a lubricant into the mixed material in the stirring process, continuously increasing the mixing speed to 160r/min, increasing the temperature to 220 ℃ and continuously stirring;
s3, adding dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant into the mixture, keeping the temperature, and continuously increasing the rotating speed to 220r/min for mixing treatment;
s4, gradually adding light calcium carbonate and an antioxidant into the mixed material, raising the temperature to 260 ℃, reducing the mixing rotating speed to 80r/min, and mixing until the mixed material is viscous;
s5, introducing the mixed material into a seven-temperature-zone double-screw extruder, and gradually extruding the mixed material, wherein the temperatures of the seven temperature zones are respectively 140-;
s6, collecting the extruded material, guiding the material into a mould, and rapidly cooling and forming the material;
s7, taking down the formed material, carrying out corona treatment on the formed material, and carrying out roller treatment at 35 ℃ after corona treatment;
and S8, rolling, and taking down the finished product for storage.
In the embodiment, a corona treatment process is further arranged in the production process, so that the surface tension of the material can be effectively improved, the tensile property of the material is stably improved, and the product quality is improved.
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 (10)
1. The environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material comprises the following materials: polyvinyl chloride 2 type resin powder, trioctyl trimellitate, epoxidized soybean oil, dioctyl sebacate, calcium-zinc composite stabilizer, lubricant, environment-friendly flame retardant, smoke suppressant, light calcium carbonate and antioxidant.
2. The environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing compound as claimed in claim 1, wherein the weight of the polyvinyl chloride type 2 resin powder, the trioctyl trimellitate, the epoxidized soybean oil, the dioctyl sebacate, the calcium-zinc composite stabilizer, the lubricant, the environment-friendly flame retardant, the smoke suppressant, the light calcium carbonate and the antioxidant are respectively 120 parts, 30-35 parts, 12-18 parts, 5-10 parts, 8-10 parts, 0.5-1.2 parts, 8-10 parts, 5-8 parts, 10-20 parts and 0.1-0.5 part.
3. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing compound according to any one of claims 1 to 2, comprising the following steps of:
s1, placing the polyvinyl chloride 2 type resin powder and trioctyl trimellitate in a high-temperature mixing device, providing a certain temperature, and keeping a certain rotating speed to mix and stir the materials;
s2, in the stirring process, gradually adding trioctyl trimellitate, epoxidized soybean oil and a lubricant into the mixed material, continuously increasing the mixing speed, increasing the temperature and continuously stirring;
s3, adding dioctyl sebacate, a calcium-zinc composite stabilizer, an environment-friendly flame retardant and a smoke suppressant into the mixture, keeping the temperature, and continuously increasing the rotating speed for mixing treatment;
s4, gradually adding light calcium carbonate and an antioxidant into the mixed material, increasing the temperature, reducing the mixing speed, and mixing;
s5, introducing the mixed material into a seven-temperature-zone double-screw extruder, and gradually extruding the mixed material;
s6, collecting the extruded material and leading the material into a mould;
s7, taking down the formed material, carrying out corona treatment on the formed material, and carrying out roller treatment after corona treatment;
and S8, rolling, and taking down the finished product for storage.
4. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing material as claimed in claim 3, wherein in the step S1, polyvinyl chloride type 2 resin powder and trioctyl trimellitate are taken and placed in a high-temperature mixing device, and the materials are mixed and stirred at a temperature of 180 ℃ and a rotation speed of 60-80 r/min.
5. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing compound as claimed in claim 3, wherein in the S2, in the stirring process, trioctyl trimellitate, epoxidized soybean oil and a lubricant are gradually added into the mixed material, the mixing speed is continuously increased to 160r/min, and the stirring is continuously carried out at the temperature of 200-220 ℃.
6. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing compound as claimed in claim 3, wherein in S3, dioctyl sebacate, calcium-zinc composite stabilizer, environment-friendly flame retardant and smoke suppressant are added into the mixed material, and the temperature is kept to be continuously increased to 200-.
7. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing compound as claimed in claim 3, wherein in S4, the light calcium carbonate and the antioxidant are gradually added into the mixed material, the temperature is raised to 240-260 ℃, the mixing speed is reduced to 60-80r/min, and the mixing treatment is carried out until the mixed material is sticky.
8. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing material as claimed in claim 3, wherein in the step S5, the mixed material is introduced into a seven-temperature-zone twin-screw extruder, and the mixed material is gradually extruded, wherein the temperatures of the seven temperature zones are respectively 140-.
9. The process for preparing an environmentally friendly high temperature flame retardant polyvinyl chloride sheathing compound as claimed in claim 3, wherein in the step S6, the extruded material is collected and introduced into a mold, and the material is rapidly cooled and molded.
10. The preparation process of the environment-friendly high-temperature flame-retardant polyvinyl chloride sheathing material according to claim 3, wherein in S7, the molded material is taken down, subjected to corona treatment, and subjected to roller treatment at 25-35 ℃ after corona treatment.
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| CN202210227605.9A CN114456519A (en) | 2022-03-08 | 2022-03-08 | Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material |
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| CN202210227605.9A CN114456519A (en) | 2022-03-08 | 2022-03-08 | Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material |
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| CN202210227605.9A Pending CN114456519A (en) | 2022-03-08 | 2022-03-08 | Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554615A (en) * | 2023-05-16 | 2023-08-08 | 浙江钧通塑胶科技有限公司 | Marble-like ultraviolet-resistant pipe and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638499A (en) * | 2009-09-07 | 2010-02-03 | 王一群 | Environment-friendly polyvinyl chloride cable sheathing compound |
| CN103756174A (en) * | 2013-10-21 | 2014-04-30 | 四川省川西电缆有限责任公司 | Low-temperature-resistant flame-retardant flexible polyvinyl chloride environmental-protection cable material and preparation method thereof |
| CN111393773A (en) * | 2020-05-25 | 2020-07-10 | 常熟市中联光电新材料有限责任公司 | Environment-friendly high-flame-retardant polyvinyl chloride cable sheath material and preparation method thereof |
-
2022
- 2022-03-08 CN CN202210227605.9A patent/CN114456519A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638499A (en) * | 2009-09-07 | 2010-02-03 | 王一群 | Environment-friendly polyvinyl chloride cable sheathing compound |
| CN103756174A (en) * | 2013-10-21 | 2014-04-30 | 四川省川西电缆有限责任公司 | Low-temperature-resistant flame-retardant flexible polyvinyl chloride environmental-protection cable material and preparation method thereof |
| CN111393773A (en) * | 2020-05-25 | 2020-07-10 | 常熟市中联光电新材料有限责任公司 | Environment-friendly high-flame-retardant polyvinyl chloride cable sheath material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554615A (en) * | 2023-05-16 | 2023-08-08 | 浙江钧通塑胶科技有限公司 | Marble-like ultraviolet-resistant pipe and preparation method thereof |
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