CN113004630A - Preparation method of polyvinyl chloride material for insulating sheath - Google Patents

Preparation method of polyvinyl chloride material for insulating sheath Download PDF

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Publication number
CN113004630A
CN113004630A CN201911321088.6A CN201911321088A CN113004630A CN 113004630 A CN113004630 A CN 113004630A CN 201911321088 A CN201911321088 A CN 201911321088A CN 113004630 A CN113004630 A CN 113004630A
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China
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parts
polyvinyl chloride
stirring
insulating sheath
mixed
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CN201911321088.6A
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Chinese (zh)
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不公告发明人
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    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a preparation method of a polyvinyl chloride material for an insulating sheath, which comprises the following steps: step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5-9 min to obtain a mixed system; stirring the mixed system for 10-15 min to obtain a mixed material A; step three, mixing the phthalate plasticizer, the ditolyl phosphate and the mixed material A, and stirring for 10-15 min to obtain a mixed material B; and step four, extruding and cooling the mixed material B to obtain the polyvinyl chloride material for the insulating sheath. The polyvinyl chloride material for the insulating sheath prepared by the method disclosed by the invention is simple in material structure, reasonable in design, excellent in physical and chemical properties, insulating and capable of being used as the sheath of power equipment under different temperature working conditions.

Description

Preparation method of polyvinyl chloride material for insulating sheath
Technical Field
The invention belongs to the technical field of polyvinyl chloride, and particularly relates to a preparation method of a polyvinyl chloride material for an insulating sheath.
Background
In the power industry, a sheath with an insulation function is a common power equipment protection facility and mainly comprises electric transmission and transformation equipment, electric wires and other electric devices. The power transmission and transformation equipment, especially the transformer, mostly runs in the open air, and the installation of the insulating sheath can avoid corrosion and electric leakage caused by temperature rise in the power supply process of the equipment on one hand, and can also avoid electric shock and danger of a human body caused by interphase short circuit on the other hand.
With the rapid development of industry and agriculture, the demand of residents for continuous electricity utilization is increased, which brings new challenges to the power industry, however, currently, the power supply is insufficient, the off-peak power supply occurs, and the frequent power failure causes the development of the power industry to be affected.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for preparing a polyvinyl chloride material for an insulating sheath, aiming at the defects of the prior art. The polyvinyl chloride material for the insulating sheath prepared by the method disclosed by the invention is simple in material structure, reasonable in design, excellent in physical and chemical properties, insulating and capable of being used as the sheath of power equipment under different temperature working conditions.
In order to solve the technical problems, the invention adopts the technical scheme that: the preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the raw materials comprise the following components in parts by weight:
90-120 parts of polyvinyl chloride;
20-30 parts of phthalate plasticizer;
10-30 parts of dimethylbenzene phosphate;
3-9 parts of a silane coupling agent;
3-9 parts of inorganic auxiliary agent;
2-8 parts of a nano additive;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5-9 min at the speed of 300-900 r/min to obtain a mixed system;
step two, stirring the mixed system obtained in the step two for 10-15 min at the temperature of 80-120 ℃ to obtain a mixed material A;
step three, mixing the phthalate plasticizer, the ditolyl phosphate and the mixed material A in the step two, and stirring for 10-15 min at the temperature of 50-70 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the raw materials comprise the following components in parts by weight:
100-110 parts of polyvinyl chloride;
22-28 parts of phthalate plasticizer;
15-25 parts of dimethylbenzene phosphate;
5-7 parts of a silane coupling agent;
5-8 parts of an inorganic auxiliary agent;
4-7 parts of a nano additive.
The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the raw materials comprise the following components in parts by weight:
105 parts of polyvinyl chloride;
26 parts of phthalate plasticizer;
20 parts of ditolyl phosphate;
6 parts of a silane coupling agent;
6 parts of an inorganic auxiliary agent;
and 5 parts of a nano additive.
The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the molecular weight of the polyvinyl chloride is 1500-3500.
The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the inorganic auxiliary agent is zinc acetate or nickel acetate.
The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the nano additive is nano calcium carbonate.
Compared with the prior art, the invention has the following advantages:
1. the polyvinyl chloride material for the insulating sheath prepared by the method disclosed by the invention is simple in material structure, reasonable in design, excellent in physical and chemical properties, insulating and capable of being used as the sheath of power equipment under different temperature working conditions.
The technical solution of the present invention is further described in detail with reference to the following examples.
Detailed Description
Example 1
The preparation method of the polyvinyl chloride material for the insulating sheath comprises the following raw materials in parts by weight:
105 parts of polyvinyl chloride;
26 parts of phthalate plasticizer;
20 parts of ditolyl phosphate;
6 parts of a silane coupling agent;
6 parts of an inorganic auxiliary agent;
5 parts of a nano additive;
the molecular weight of the polyvinyl chloride is 2200;
the inorganic auxiliary agent is zinc acetate;
the nano additive is nano calcium carbonate;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 7min at a speed of 600r/min to obtain a mixed system;
step two, stirring the mixed system obtained in the step two for 12min at the temperature of 100 ℃ to obtain a mixed material A;
step three, mixing a phthalate plasticizer, ditolyl phosphate and the mixed material A in the step two, and stirring for 12min at the temperature of 60 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
Example 2
The preparation method of the polyvinyl chloride material for the insulating sheath comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride;
22 parts of phthalate plasticizer;
15 parts of ditolyl phosphate;
5 parts of a silane coupling agent;
5 parts of an inorganic auxiliary agent;
4 parts of a nano additive;
the molecular weight of the polyvinyl chloride is 1500;
the inorganic auxiliary agent is nickel acetate;
the nano additive is nano calcium carbonate;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 9min at the speed of 300r/min to obtain a mixed system;
step two, stirring the mixed system obtained in the step two for 15min at the temperature of 80 ℃ to obtain a mixed material A;
step three, mixing a phthalate plasticizer, ditolyl phosphate and the mixed material A in the step two, and stirring for 15min at 50 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
Example 3
The preparation method of the polyvinyl chloride material for the insulating sheath comprises the following raw materials in parts by weight:
110 parts of polyvinyl chloride;
28 parts of phthalate plasticizer;
25 parts of ditolyl phosphate;
7 parts of a silane coupling agent;
8 parts of an inorganic auxiliary agent;
7 parts of a nano additive;
the molecular weight of the polyvinyl chloride is 3500;
the inorganic auxiliary agent is zinc acetate;
the nano additive is nano calcium carbonate;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5min at the speed of 900r/min to obtain a mixed system;
stirring the mixed system obtained in the step two for 10min at the temperature of 120 ℃ to obtain a mixed material A;
step three, mixing a phthalate plasticizer, ditolyl phosphate and the mixed material A in the step two, and stirring for 10min at 70 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
Example 4
The preparation method of the polyvinyl chloride material for the insulating sheath comprises the following raw materials in parts by weight:
90 parts of polyvinyl chloride;
20 parts of phthalate plasticizer;
10 parts of dimethylbenzene phosphate;
3 parts of a silane coupling agent;
3 parts of an inorganic auxiliary agent;
2 parts of a nano additive;
the molecular weight of the polyvinyl chloride is 1500;
the inorganic auxiliary agent is nickel acetate;
the nano additive is nano calcium carbonate;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5min at the speed of 900r/min to obtain a mixed system;
stirring the mixed system obtained in the step two for 10min at the temperature of 120 ℃ to obtain a mixed material A;
step three, mixing a phthalate plasticizer, ditolyl phosphate and the mixed material A in the step two, and stirring for 10min at 70 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
Example 5
The preparation method of the polyvinyl chloride material for the insulating sheath comprises the following raw materials in parts by weight:
120 parts of polyvinyl chloride;
30 parts of phthalate plasticizer;
30 parts of ditolyl phosphate;
9 parts of a silane coupling agent;
9 parts of an inorganic auxiliary agent;
8 parts of a nano additive;
the molecular weight of the polyvinyl chloride is 3500;
the inorganic auxiliary agent is zinc acetate;
the nano additive is nano calcium carbonate;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5min at the speed of 900r/min to obtain a mixed system;
stirring the mixed system obtained in the step two for 10min at the temperature of 120 ℃ to obtain a mixed material A;
step three, mixing a phthalate plasticizer, ditolyl phosphate and the mixed material A in the step two, and stirring for 10min at 70 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (6)

1. The preparation method of the polyvinyl chloride material for the insulating sheath is characterized in that the raw materials comprise the following components in parts by weight:
90-120 parts of polyvinyl chloride;
20-30 parts of phthalate plasticizer;
10-30 parts of dimethylbenzene phosphate;
3-9 parts of a silane coupling agent;
3-9 parts of an inorganic auxiliary agent;
2-8 parts of a nano additive;
the method comprises the following steps:
step one, stirring polyvinyl chloride, a silane coupling agent, an electrodeless assistant and a nano additive for 5-9 min at the speed of 300-900 r/min to obtain a mixed system;
step two, stirring the mixed system obtained in the step two for 10-15 min at the temperature of 80-120 ℃ to obtain a mixed material A;
step three, mixing the phthalate plasticizer, the ditolyl phosphate and the mixed material A in the step two, and stirring for 10-15 min at the temperature of 50-70 ℃ to obtain a mixed material B;
and step four, adding the mixed material B obtained in the step three into a double-screw extruder for extrusion and cooling to obtain the polyvinyl chloride material for the insulating sheath.
2. The method for preparing a polyvinyl chloride material for an insulation sheath according to claim 1, wherein the raw materials comprise the following components in parts by weight:
100-110 parts of polyvinyl chloride;
22-28 parts of phthalate plasticizer;
15-25 parts of dimethylbenzene phosphate;
5-7 parts of a silane coupling agent;
5-8 parts of inorganic auxiliary agent;
4-7 parts of a nano additive.
3. The method for preparing a polyvinyl chloride material for an insulation sheath according to claim 1, wherein the raw materials comprise the following components in parts by weight:
105 parts of polyvinyl chloride;
26 parts of phthalate plasticizer;
20 parts of ditolyl phosphate;
6 parts of a silane coupling agent;
6 parts of an inorganic auxiliary agent;
and 5 parts of a nano additive.
4. The method for preparing the polyvinyl chloride material for the insulation sheath according to claim 1, wherein the molecular weight of the polyvinyl chloride is 1500-3500.
5. The method for preparing a polyvinyl chloride material for an insulation sheath according to claim 1, wherein the inorganic auxiliary agent is zinc acetate or nickel acetate.
6. The method for preparing a polyvinyl chloride material for an insulation sheath according to claim 1, wherein the nano additive is nano calcium carbonate.
CN201911321088.6A 2019-12-19 2019-12-19 Preparation method of polyvinyl chloride material for insulating sheath Pending CN113004630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911321088.6A CN113004630A (en) 2019-12-19 2019-12-19 Preparation method of polyvinyl chloride material for insulating sheath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911321088.6A CN113004630A (en) 2019-12-19 2019-12-19 Preparation method of polyvinyl chloride material for insulating sheath

Publications (1)

Publication Number Publication Date
CN113004630A true CN113004630A (en) 2021-06-22

Family

ID=76381538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911321088.6A Pending CN113004630A (en) 2019-12-19 2019-12-19 Preparation method of polyvinyl chloride material for insulating sheath

Country Status (1)

Country Link
CN (1) CN113004630A (en)

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Application publication date: 20210622

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