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CN118006053A - Sheath PVC material and preparation method thereof - Google Patents

Sheath PVC material and preparation method thereof Download PDF

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Publication number
CN118006053A
CN118006053A CN202311699105.6A CN202311699105A CN118006053A CN 118006053 A CN118006053 A CN 118006053A CN 202311699105 A CN202311699105 A CN 202311699105A CN 118006053 A CN118006053 A CN 118006053A
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high molecular
sheath
pvc
ultra
molecular weight
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宁建华
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Guangdong Qilong Technology Co ltd
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Guangdong Qilong Technology Co ltd
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Priority to CN202311699105.6A priority Critical patent/CN118006053A/en
Publication of CN118006053A publication Critical patent/CN118006053A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—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
    • 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
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1835—Sheaths comprising abrasive charges
    • 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
    • C08K2003/2244—Oxides; Hydroxides of metals of zirconium
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Multicomponent Fibers (AREA)

Abstract

The application provides a sheath PVC material and a preparation method thereof, wherein the sheath PVC material is used for unmanned aerial vehicle wires and comprises the following components in parts by weight: 90-120 parts of PVC powder; 7-8 parts of filler; 3-4 parts of stabilizer; 0.1-0.8 part of lubricant; 2-6 parts of organic fiber material; 60-70 parts of high molecular plasticizer; 10-20 parts of cold-resistant agent; 6-10 parts of flame retardant; 10-20 parts of wear-resistant agent. The addition of the organic fiber material, the filler and the like effectively improves the temperature resistance of the PVC material of the sheath, and the PVC material is normally used in the environment of 125 ℃ at high temperature and 50 ℃ below zero at low temperature, and the performance is unchanged; the mechanical property of the PVC sheath material is improved, the PVC sheath material resists stretching so as to bend, and the flame retardant is added, so that the PVC sheath material can be used for manufacturing a normally-bent and flame-retardant cable sheath, and is not easy to break and catch fire; can be applied to aerospace equipment, in particular to unmanned aerial vehicle wires.

Description

Sheath PVC material and preparation method thereof
Technical Field
The application belongs to the technical field of PVC materials, and particularly relates to a sheath PVC material and a preparation method thereof.
Background
PVC is the general plastic with the largest yield in the world, has very wide application, and has wide application in the aspects of building materials, industrial products, daily necessities, floor leathers, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and the like.
PVC is white powder with an amorphous structure, has a relatively low branching degree, has a relative density of about 1.4, has a glass transition temperature of about 77-90 ℃ and a decomposition start at about 170 ℃, has poor stability to light and heat, can decompose to generate hydrogen chloride after being exposed to sunlight for a long time or above 100 ℃, is further automatically catalyzed to decompose to cause discoloration, has rapidly reduced physical and mechanical properties, and has to be added with a stabilizer to improve the stability to heat and light in practical application.
PVC can be used for manufacturing cable jackets, however, the existing PVC jacket material has single formula, the PVC jacket cannot be used at high temperature or low temperature, and is easy to break after long-term bending, so that the application range of the PVC wire jacket is limited to a large extent.
Disclosure of Invention
Based on the above, the application aims to provide a PVC sheath material and a preparation method thereof, so as to solve the technical problems that the PVC sheath in the prior art cannot be used at high temperature or low temperature and is easy to break after long-term bending.
In order to achieve the above object, the present application has the following technical scheme:
In a first aspect, a sheath PVC material is provided for unmanned aerial vehicle wire rods, the sheath PVC material comprises the following components in parts by weight:
optionally, the filler comprises 10-20:0.01-0.5 nano calcium carbonate and zirconia in mass ratio.
Optionally, the organic fiber material comprises ultra-high molecular weight polyethylene fibers and ultra-high molecular weight polyethylene fibers; and/or the number of the groups of groups,
The organic fiber material is formed by interweaving or binding ultra-high molecular weight polyethylene fiber warp yarns and ultra-high molecular weight polyethylene fiber weft yarns.
Optionally, the organic fiber material is cross-shaped and is formed by interweaving or binding at least one ultra-high molecular weight polyethylene fiber warp yarn and at least one ultra-high molecular weight polyethylene fiber weft yarn.
Optionally, the density of the ultra-high molecular weight polyethylene fiber warp is 6-10 pieces/10 mm, and the diameters of the ultra-high molecular weight polyethylene fiber warp are 0.5-1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6-10/10 mm, and the diameters are 0.5-1.0mm.
Optionally, the stabilizer comprises stabilizer a-380; and/or the number of the groups of groups,
The lubricant is formed by mixing a lubricant G-78 and a lubricant GH4 according to a weight ratio of 1:1-1.5.
Optionally, the polymeric plasticizer comprises trioctyl trimellitate and/or trioctyl trimellitate; and/or the number of the groups of groups,
The cold-resistant agent includes cold-resistant agent 797S.
Optionally, the flame retardant comprises flame retardant DR-65; and/or the number of the groups of groups,
The antiwear agent comprises an antiwear agent NMJ-01.
In a second aspect, the application provides a preparation method of the sheath PVC material, comprising the following steps:
S10: mixing PVC powder, a filler, a stabilizer, a lubricant, a cold-resistant agent, a flame retardant and an antiwear agent in proportion to obtain a mixture;
s20: mixing the mixture with an organic fiber material and a high polymer plasticizer, and extruding to obtain the sheath PVC material.
Optionally, in the step 10, mixing PVC powder, a filler, a stabilizer, a lubricant, a cold-resistant agent, a flame retardant and an antiwear agent in proportion, wherein the stirring speed is 200r/min-400r/min, and the temperature is 90-100 ℃; and/or the number of the groups of groups,
In the step 20, the mixture is mixed with the organic fiber material and the polymer plasticizer, and the stirring speed is 20r/min-40r/min and 70-80 ℃.
The application has the beneficial effects that:
According to the sheath PVC material, in the first aspect, the addition of the organic fiber material, the filler and the like effectively improves the temperature resistance of the sheath PVC material, the sheath PVC material can be normally used at the high temperature of 125 ℃ and the low temperature of minus 50 ℃, the performance is unchanged, and compared with the conventional PVC cable material, the sheath PVC material has the advantages of high temperature resistance and cold resistance and is softer; in the second aspect, the mechanical property of the sheath PVC material is improved, the sheath PVC material resists stretching so as to bend, and the flame retardant is added, so that the sheath PVC material can be used for manufacturing a normally-bent and flame-retardant cable sheath, and is not easy to break and catch fire; in the third aspect, the organic fiber material is combined with the PVC powder, and the synergistic effect of the filler, the wear-resisting agent and the like is achieved, so that the wear resistance of the PVC material of the sheath is improved; the PVC sheath material can be applied to aerospace equipment, in particular to unmanned aerial vehicle wires;
the preparation method of the sheath PVC material provided by the application is formulated according to the properties of the material, is simple to operate, has high production efficiency, and is beneficial to industrial production.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The embodiment of the application provides a sheath PVC material which can be used for unmanned aerial vehicle wires, and comprises the following components in parts by weight:
according to the sheath PVC material provided by the embodiment of the application, in the first aspect, the addition of the organic fiber material, the filler and the like effectively improves the temperature resistance of the sheath PVC material, the use temperature can be normally used in an environment of 125 ℃ at a high temperature and 50 ℃ below zero, the performance is unchanged, and compared with the conventional PVC cable material, the sheath PVC material has the advantages of high temperature resistance and cold resistance and is softer; in the second aspect, the mechanical property of the sheath PVC material is improved, the sheath PVC material resists stretching so as to bend, and the flame retardant is added, so that the sheath PVC material can be used for manufacturing a normally-bent and flame-retardant cable sheath, and is not easy to break and catch fire; in the third aspect, the organic fiber material is combined with the PVC powder, and the synergistic effect of the filler, the wear-resisting agent and the like increases the wear resistance of the PVC material of the sheath; the PVC sheath material can be applied to aerospace equipment, in particular to unmanned aerial vehicle wires.
In some embodiments, the filler comprises 10-20:0.01-0.5 nm calcium carbonate and zirconia in a mass ratio. The nano activated calcium carbonate and the zirconia are beneficial to improving the tensile strength and the elongation at break performance of the PVC sheath material, and meanwhile, the nano activated calcium carbonate and the zirconia are matched with the organic fiber material to improve the flexibility and the bending strength of the PVC sheath material, so that the PVC sheath material can be bent for a long time without breaking under high-temperature and low-temperature environments and is normally used.
In some embodiments, the organic fiber material includes ultra-high molecular weight polyethylene fibers and ultra-high molecular weight polyethylene fibers, and the ultra-high molecular weight polyethylene fibers are long fibers, which play a role of a skeleton and can remarkably improve the flexibility and the bendability of the sheath PVC material.
In some embodiments, the organic fiber material is formed by interweaving or binding ultra-high molecular weight polyethylene fiber warp yarns and ultra-high molecular weight polyethylene fiber weft yarns, so that the organic fiber material can counter the acting forces in multiple directions, and can generate the support of the forces in multiple directions in the PVC sheath material, thereby achieving better skeleton effect.
In some embodiments, the organic fiber material is cross-shaped and is formed by interweaving or binding at least one ultra-high molecular weight polyethylene fiber warp yarn and at least one ultra-high molecular weight polyethylene fiber weft yarn, and is cross-shaped, so that the interaction force between the warp yarn and the weft yarn can be maximized, and the flexibility and the bendability of the PVC material of the sheath are further improved.
In some embodiments, the ultra-high molecular weight polyethylene fiber warp has a density of 6-10/10 mm and a diameter of 0.5-1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6-10/10 mm, and the diameters are 0.5-1.0mm.
In some embodiments, the stabilizer includes stabilizer A-380, which may also be a stabilizer similar in structure and properties to stabilizer A-380.
In some embodiments, the lubricant is mixed by lubricant G-78 and lubricant GH4 in a weight ratio of 1:1-1.5.
In some embodiments, the polymeric plasticizer comprises trioctyl trimellitate and/or trioctyl trimellitate.
In some embodiments, the cold-resistant agent includes cold-resistant agent 797S, which helps to further improve the cold resistance of the jacketed PVC material.
In some embodiments, the flame retardant comprises flame retardant DR-65, which improves the flame retardancy of the PVC material of the sheath and improves the safety of the PVC material of the sheath.
In some embodiments, the anti-wear agent comprises anti-wear agent NMJ-01, which helps to increase the wear resistance of the jacket PVC material.
In some embodiments, the sheath PVC material comprises the following components in parts by weight:
The filler consists of nano calcium carbonate and zirconia with the mass ratio of 10-20:0.01-0.5; the organic fiber material is formed by interweaving or binding ultra-high molecular weight polyethylene fiber warp yarns and ultra-high molecular weight polyethylene fiber weft yarns.
The embodiment of the application provides a preparation method of the sheath PVC material, which comprises the following steps:
S10: PVC powder, filler, stabilizer, lubricant, cold-resistant agent, flame retardant and wear-resistant agent are mixed according to a certain proportion to obtain the mixture.
In some embodiments, in step 10, the PVC powder, the filler, the stabilizer, the lubricant, the cold-resistant agent, the flame retardant and the wear-resistant agent are mixed in proportion, and the stirring speed is 200r/min-400r/min, and the temperature is 90-100 ℃.
S20: mixing the mixture with an organic fiber material and a high polymer plasticizer, and extruding to obtain the sheath PVC material.
In some embodiments, in step 20, the mixture is mixed with the organic fiber material and the polymer plasticizer at a stirring speed of 20r/min-40r/min and at a temperature of 70 ℃ to 80 ℃.
The preparation method of the sheath PVC material provided by the embodiment of the application is formulated according to the properties of the material, is simple to operate, has high production efficiency and is beneficial to industrial production.
The following is illustrated by examples.
Example 1
The sheath PVC material of the embodiment comprises the following components in parts by weight:
The filler consists of 10-20:0.01-0.5 nano calcium carbonate and zirconia according to the mass ratio.
The organic fiber material is cross-shaped and is formed by interweaving or binding an ultra-high molecular weight polyethylene fiber warp yarn and an ultra-high molecular weight polyethylene fiber weft yarn. The density of the ultra-high molecular weight polyethylene fiber warp is 6-10 pieces/10 mm, and the diameters are 0.5-1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6-10/10 mm, and the diameters are 0.5-1.0mm.
The high molecular plasticizer comprises trioctyl trimellitate and trihexyl trimellitate in a mass ratio of 1:1.
The preparation method of the sheath PVC material comprises the following steps:
s10: PVC powder, a filler, a stabilizer, a lubricant, a cold-resistant agent, a flame retardant and an antiwear agent are proportionally put into a stirrer for stirring and mixing, wherein the stirring speed is 200r/min-400r/min, and the temperature is 90-100 ℃ to obtain the mixture.
S20: mixing the mixture with the organic fiber material and the high polymer plasticizer in a stirrer at the stirring speed of 20r/min-40r/min and at the temperature of 70-80 ℃, and extruding the mixture by an extruder to obtain the sheath PVC material.
Example 2
The sheath PVC material of the embodiment comprises the following components in parts by weight:
The filler consists of 10:0.1 nano calcium carbonate and zirconia according to the mass ratio.
The organic fiber material is cross-shaped and is formed by interweaving or binding an ultra-high molecular weight polyethylene fiber warp yarn and an ultra-high molecular weight polyethylene fiber weft yarn. The density of the ultra-high molecular weight polyethylene fiber warp is 10 pieces/10 mm, and the diameters are 0.8mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6 pieces/10 mm, and the diameters are 1.0mm.
The high molecular plasticizer comprises trioctyl trimellitate and trihexyl trimellitate in a mass ratio of 1:2.
The preparation method of the PVC material for the sheath of the embodiment is the same as that of the embodiment 1.
Example 3
The sheath PVC material of the embodiment comprises the following components in parts by weight:
the filler consists of 20:0.5 nano calcium carbonate and zirconia according to the mass ratio.
The organic fiber material is cross-shaped and is formed by interweaving or binding an ultra-high molecular weight polyethylene fiber warp yarn and an ultra-high molecular weight polyethylene fiber weft yarn. The density of the ultra-high molecular weight polyethylene fiber warp is 10 pieces/10 mm, and the diameters are 1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 10 pieces/10 mm, and the diameters are 1.0mm.
The high molecular plasticizer comprises trioctyl trimellitate and trihexyl trimellitate with the mass ratio of 1:1.2.
The preparation method of the PVC material for the sheath of the embodiment is the same as that of the embodiment 1.
Example 4
The sheath PVC material of the embodiment comprises the following components in parts by weight:
the filler consists of 18:0.01 nano calcium carbonate and zirconia in mass ratio.
The organic fiber material is cross-shaped and is formed by interweaving or binding an ultra-high molecular weight polyethylene fiber warp yarn and an ultra-high molecular weight polyethylene fiber weft yarn. The density of the ultra-high molecular weight polyethylene fiber warp is 6 pieces/10 mm, and the diameters are 0.5mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6 pieces/10 mm, and the diameters are 1.0mm.
The high molecular plasticizer comprises trioctyl trimellitate and trihexyl trimellitate in a mass ratio of 1:1.
The preparation method of the PVC material for the sheath of the embodiment is the same as that of the embodiment 1.
Example 5
The sheath PVC material of the embodiment comprises the following components in parts by weight:
The filler consists of 15:0.05 nano calcium carbonate and zirconia in mass ratio.
The organic fiber material is cross-shaped and is formed by interweaving or binding an ultra-high molecular weight polyethylene fiber warp yarn and an ultra-high molecular weight polyethylene fiber weft yarn. The density of the ultra-high molecular weight polyethylene fiber warp is 8 pieces/10 mm, and the diameters are 1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6 pieces/10 mm, and the diameters are 1.0mm.
The high molecular plasticizer comprises trioctyl trimellitate and trihexyl trimellitate in a mass ratio of 1:1.
The preparation method of the PVC material for the sheath of the embodiment is the same as that of the embodiment 1.
Comparative example 1
This comparative example differs from example 1 in that: does not contain organic fiber materials.
Comparative example 2
This comparative example differs from example 1 in that: no filler is contained.
The conventional PVC cable materials commercially available in examples 1 to 5 and comparative examples 1 to 2 were subjected to performance test, and the test results are shown in Table 1.
TABLE 1
From the test results, compared with comparative example 1, the addition of the organic fiber material in example 1 can effectively improve the mechanical properties of the PVC material of the sheath and improve the tensile strength, the elongation at break and the thermal deformation. The organic fiber material and the filler are matched to improve the high temperature resistance, the low temperature resistance and the mechanical property of the PVC sheath material in a synergistic way, and the flexibility is better.
Compared with the conventional PVC cable material, the matte-surface sheath PVC material provided by the embodiment of the application has the advantages of high temperature resistance and cold resistance, is more flexible, and can be used normally in the environment of low temperature below 50 ℃ under the condition that the stability time is more than 120min at the high temperature of 200 ℃.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application.

Claims (10)

1. The utility model provides a sheath PVC material which characterized in that: the sheath PVC material is used for the unmanned aerial vehicle wire rod, and comprises the following components in parts by weight:
2. the jacketed PVC material of claim 1, wherein: the filler comprises 10-20:0.01-0.5 nano calcium carbonate and zirconia in mass ratio.
3. The jacketed PVC material of claim 1, wherein: the organic fiber material comprises ultra-high molecular weight polyethylene fibers and ultra-high molecular weight polyethylene fibers; and/or the number of the groups of groups,
The organic fiber material is formed by interweaving or binding ultra-high molecular weight polyethylene fiber warp yarns and ultra-high molecular weight polyethylene fiber weft yarns.
4. A jacketed PVC material as in claim 3, wherein: the organic fiber material is cross-shaped and is formed by interweaving or binding at least one ultra-high molecular weight polyethylene fiber warp yarn and at least one ultra-high molecular weight polyethylene fiber weft yarn.
5. The jacketed PVC material of claim 3 or 4, wherein: the density of the ultra-high molecular weight polyethylene fiber warp is 6-10 pieces/10 mm, and the diameters of the ultra-high molecular weight polyethylene fiber warp are 0.5-1.0mm; the density of the ultra-high molecular weight polyethylene fiber weft is 6-10/10 mm, and the diameters of the ultra-high molecular weight polyethylene fiber weft are 0.5-1.0mm.
6. The jacketed PVC material of claim 1, wherein: the stabilizer comprises stabilizer A-380; and/or the number of the groups of groups,
The lubricant is formed by mixing a lubricant G-78 and a lubricant GH4 according to a weight ratio of 1:1-1.5.
7. The jacketed PVC material of claim 1, wherein: the high molecular plasticizer comprises trioctyl trimellitate and/or trihexyl trimellitate; and/or the number of the groups of groups,
The cold-resistant agent includes cold-resistant agent 797S.
8. The jacketed PVC material of claim 1, wherein: the flame retardant comprises flame retardant DR-65; and/or the number of the groups of groups,
The wear-resistant agent comprises an anti-wear agent NMJ-01.
9. A process for the preparation of a sheath PVC material according to any one of claims 1 to 8, wherein: the method comprises the following steps:
S10: mixing PVC powder, a filler, a stabilizer, a lubricant, a cold-resistant agent, a flame retardant and an antiwear agent in proportion to obtain a mixture;
S20: and mixing the mixture with an organic fiber material and a high molecular plasticizer, and extruding to obtain the sheath PVC material.
10. A process for the preparation of a sheath PVC material according to any one of claims 1 to 9, wherein: in the step 10, the PVC powder, the filler, the stabilizer, the lubricant, the cold-resistant agent, the flame retardant and the wear-resistant agent are mixed according to a proportion, wherein the stirring speed is 200r/min-400r/min, and the temperature is 90-100 ℃; and/or the number of the groups of groups,
In the step 20, the mixture, the organic fiber material and the high molecular plasticizer are mixed, and the stirring speed is 20r/min-40r/min and 70-80 ℃.
CN202311699105.6A 2023-12-12 2023-12-12 Sheath PVC material and preparation method thereof Pending CN118006053A (en)

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