CN112745609A - Environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration-pollution power conduit and preparation method thereof - Google Patents
Environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration-pollution power conduit and preparation method thereof Download PDFInfo
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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
- C08L27/22—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 modified by chemical after-treatment
- C08L27/24—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 modified by chemical after-treatment halogenated
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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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- 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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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses an environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration-pollution electric power conduit and a preparation method thereof. The preparation method comprises the following steps: the raw materials are uniformly mixed, the mixture is added into a double-screw extruder after uniform mixing, the temperature of a machine barrel is set to be 160-plus-200 ℃, the temperature of a confluence core is set to be 150-plus-155 ℃, the temperature of a template is set to be 160-plus-190 ℃, the temperature of a neck mold is set to be 160-plus-190 ℃, pigment red is added through a stepper of the double-screw extruder, and after extrusion molding is completed, cooling and shaping are carried out, so that the environment-friendly high-Vicat high-impact-resistance low-temperature-resistance sulfuration pollution-resistant power. The power conduit has high Vicat softening point, low pipe ring rigidity at high temperature and good shock resistance at low temperature. The preparation method of the electric power conduit is simple, convenient to operate and low in preparation cost.
Description
Technical Field
The invention relates to the technical field of electrical conduit preparation, in particular to an environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric conduit and a preparation method thereof.
Background
The main materials of the power pipe comprise PVC-U, CPVC, MPP and the like. Along with the continuous development of the country, the expansion of urban power pipe network construction is increased, the demand of plastic power pipes is increased, the performance requirements on the plastic power pipes are higher and higher, the plastic power pipes can resist high temperature in the power transmission process, and the plastic power pipes can bear high temperature and do not deform in the power transmission and heat production process; the pipe can keep high strength and is not brittle in a low-temperature environment, and the pipe is prevented from being broken due to collision at low temperature. Meanwhile, with the continuous improvement of the environmental protection requirement, the pipe is required to be free of heavy metals in the production process, and meanwhile, the pipe is prevented from being vulcanized and polluted due to acid rain. Many brands of power conduits appear in the market, wherein a plurality of power conduits are easy to break and deform in the process of rebuilding and expanding a power pipeline, especially easy to deform in the process of power transmission and heat generation and easy to break in a low-temperature environment.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an environment-friendly high-Vicat high-impact low-temperature-resistant sulfuration pollution-resistant power conduit and a preparation method thereof.
The preparation method of the electric power conduit is simple, convenient to operate and low in preparation cost.
The technical scheme adopted for realizing the above purpose of the invention is as follows:
the environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit is characterized by being prepared from the following raw materials in parts by mass:
furthermore, the filler is nano calcium.
Further, the anti-aging agent is titanium dioxide.
Further, the external lubricant is one of high melting point wax and Fischer-Tropsch wax or the mixture of the two.
Further, the internal lubricant is one of monoglyceride and calcium stearate or a mixture of monoglyceride and calcium stearate.
Further, the pigment is pigment red diluted by 60 times.
A preparation method of an environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit comprises the following steps:
uniformly mixing CPVC resin, HPVC resin, PVC resin, a filling agent, a calcium-zinc stabilizer, CPE, ABS, an anti-aging agent, an external lubricant and an internal lubricant, adding the mixture into a double-screw extruder after uniform mixing, setting the barrel temperature at 160-plus-200 ℃, the confluence core temperature at 150-plus-155 ℃, the template temperature at 160-plus-190 ℃, the die temperature at 160-plus-190 ℃, adding pigment red through a stepper of the double-screw extruder, and cooling and shaping after extrusion molding is finished to obtain the environment-friendly high-Vicat high-impact low-temperature-resistant anti-vulcanization pollution power conduit.
Compared with the prior art, the invention has the advantages and beneficial effects that:
according to the invention, the formula is adjusted to obtain the environment-friendly power conduit with the characteristics of high Vicat softening point, high-temperature ring rigidity, low temperature resistance, vulcanization resistance and the like, and the adjustment is as follows: the environment-friendly calcium-zinc stabilizer is used, so that lead pollution of the lead salt stabilizer in the production and use processes is avoided, and lead sulfide is produced after the pipe is contacted with sulfide, so that the pipe is prevented from being polluted by the sulfide; the modifier ABS (acrylonitrile-butadiene-styrene terpolymer) and CPE are used, the acrylonitrile Tg in the ABS is low in temperature, the low-temperature resistant effect is good, the butadiene is used as a PVC/CPVC toughening modifier, after the ABS is added into PVC, the impact strength can be improved, the heat resistance of a product can be improved, the low-temperature brittleness can be improved, the appearance quality of the product can be improved, but the PVC/ABS direct blending can cause uneven dispersion of a CPVC/ABS system, the CPE is widely used in PVC modification and has good compatibility with PVC resin, the ABS and the CPE are simultaneously added into the CPVC, the ABS and the CPE generate a synergistic effect, the CPVC/ABS/CPE ternary blending is a good toughening PVC system, the advantages of the CPVC/ABS and CPVC/CPE binary blending are achieved in performance, the defects of the binary blending of the CPVC/ABS/CPE are improved, and a net structure and an island phase structure exist in the CPVC/ABS/, has good low-temperature impact strength, tensile property and proper processability.
Detailed Description
The present invention is described in detail below with reference to specific examples, but these examples are not to be construed as limiting the scope of the present invention in any way.
The sources of the raw materials used in the examples and comparative examples are as follows:
the CPVC resin manufacturer is Shanghai Cincin New Material science and technology Co., Ltd, and the brand is EX-700;
the manufacturer of the HPVC resin is Hao Hua Yun space chemical industry Limited liability company, and the trade mark is YH 2000;
the PVC resin manufacturer is Xinjiang Zhongtai chemical company with the mark of SG-3;
the manufacturer of the calcium zinc stabilizer is Bailroch plastic additive (Jiangsu) GmbH, and the brand is R638;
CPE (chlorinated polyethylene) manufacturer is Shandong Nikko chemical Co., Ltd, and the trade name is 135A;
the manufacturer of ABS (terpolymer of three monomers of acrylonitrile (A), butadiene (B) and styrene (S)) is a Qimei chemical industry with a mark of 757.
The manufacturer of the high melting point wax is Halroche plastic additive (Jiangsu) Co., Ltd under the trademark LKO.
The Fischer-Tropsch wax is produced by Shanxi Lu chemical industry Co., Ltd under the trade name of H115;
the pigment red manufacturer is Nicol chemical industry (Taixing) Co., Ltd., and the mark is 254 red;
examples and comparative examples the twin-screw extruder used was a manufacturer of Hebei Tongda plastics machinery Co., Ltd
The pigment red is 60 times of pigment red, and the specific dilution method comprises the following steps: respectively putting 1 part by mass of pigment red and 60 parts by mass of PVC resin into a cold mixer, and mixing for 8 minutes at a low speed.
Example 1
An environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit is prepared from the following raw materials in parts by mass:
the preparation method of the environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit comprises the following steps:
CPVC resin, HPVC resin, PVC resin, nano calcium, a calcium-zinc stabilizer, CPE, ABS, titanium dioxide, high-melting-point wax, Fischer-Tropsch wax, monoglyceride and calcium stearate are added into a mixer, the materials are mixed for 10 minutes at a low speed, then the mixture is switched to high-speed stirring, the mixture is mixed at a high speed to 120 ℃, the mixture is placed into a cold mixer to be cooled to 45 ℃ to obtain a mixture, the mixture is conveyed into a double-screw extruder, the barrel temperature is 160-plus-one-cement 200 ℃, the confluence core temperature is 150-plus-one-cement 155 ℃, the template temperature is 160-plus-cement 190 ℃, the neck mold temperature is 180-plus-cement 190 ℃, pigment red is added through a stepper of the double-screw extruder, and after extrusion molding, cooling and sizing are carried out to obtain the environment-friendly high-Vicat high-impact-resistance low.
Example 2
An environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit is prepared from the following raw materials in parts by mass:
the preparation method of the environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit comprises the following steps:
CPVC resin, HPVC resin, PVC resin, nano calcium, a calcium-zinc stabilizer, CPE, ABS, titanium dioxide, high-melting-point wax, Fischer-Tropsch wax, monoglyceride and calcium stearate are added into a mixer, the materials are mixed for 10 minutes at a low speed, then the mixture is switched to high-speed stirring, the mixture is mixed at a high speed to 120 ℃, the mixture is placed into a cold mixer to be cooled to 45 ℃ to obtain a mixture, the mixture is conveyed into a double-screw extruder, the barrel temperature is 160-plus-one-cement 200 ℃, the confluence core temperature is 150-plus-one-cement 155 ℃, the template temperature is 160-plus-cement 190 ℃, the neck mold temperature is 180-plus-cement 190 ℃, pigment red is added through a stepper of the double-screw extruder, and after extrusion molding, cooling and sizing are carried out to obtain the environment-friendly high-Vicat high-impact-resistance low.
Comparative example 1
An environment-friendly anti-sulfuration pollution electric power conduit is prepared from the following raw materials in parts by mass:
the preparation method of the environment-friendly anti-sulfuration pollution electric power conduit comprises the following steps:
the CPVC resin, the HPVC resin, the PVC resin, the nano calcium, the calcium-zinc stabilizer, the titanium dioxide, the high-melting-point wax, the Fischer-Tropsch wax, the monoglyceride and the calcium stearate are added into a mixer, the mixture is mixed for 10 minutes at a low speed, then the mixture is switched to high-speed stirring, the mixture is mixed at a high speed to 120 ℃, the mixture is placed into a cold mixer to be cooled to 45 ℃, the mixture is conveyed into a double-screw extruder, the barrel temperature is set to be 160-plus-one-phase 200 ℃, the confluence core temperature is 150-plus-one-phase 155 ℃, the template temperature is 160-plus-one-phase 190 ℃, the neck mold temperature is 180-plus-one-phase 190 ℃, the pigment red is added through a stepper of the double-screw extruder, and after extrusion molding is finished, cooling and sizing are carried.
Comparative example 2
An environment-friendly anti-sulfuration pollution electric power conduit is prepared from the following raw materials in parts by mass:
the preparation method of the environment-friendly anti-sulfuration pollution electric power conduit comprises the following steps:
CPVC resin, HPVC resin, PVC resin, nano calcium, a calcium-zinc stabilizer, CPE, titanium dioxide, high-melting-point wax, Fischer-Tropsch wax, monoglyceride and calcium stearate are added into a mixer, the materials are mixed for 10 minutes at a low speed, then the mixture is switched to high-speed stirring, the mixture is mixed at a high speed to 120 ℃, the mixture is placed into a cold mixing machine to be cooled to 45 ℃ to obtain a mixture, the mixture is conveyed into a double-screw extruder, the barrel temperature is set to be 160-plus-material 200 ℃, the confluence core temperature is 150-plus-material 155 ℃, the template temperature is 160-plus-material 190 ℃, the neck mold temperature is 180-plus-material 190 ℃, pigment red is added through a stepper of the double-screw extruder, and after extrusion molding is finished, cooling and sizing are carried out to obtain the environment-friendly high-Vicat high-impact.
Comparative example 3
An environment-friendly anti-sulfuration pollution electric power conduit is prepared from the following raw materials in parts by mass:
the preparation method of the environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit comprises the following steps:
CPVC resin, HPVC resin, PVC resin, nano calcium, a calcium-zinc stabilizer, CPE, titanium dioxide, high-melting-point wax, Fischer-Tropsch wax, monoglyceride and calcium stearate are added into a mixer, the materials are mixed for 10 minutes at a low speed, then the mixture is switched to high-speed stirring, the mixture is mixed at a high speed to 120 ℃, the mixture is placed into a cold mixer to be cooled to 45 ℃ to obtain a mixture, the mixture is conveyed into a double-screw extruder, the barrel temperature is set to 160-plus-material 200 ℃, the confluence core temperature is 150-plus-material 155 ℃, the template temperature is 160-plus-material 190 ℃, the neck mold temperature is 180-plus-material 190 ℃, pigment red is added through a stepper of the double-screw extruder, and after extrusion molding is finished, cooling and sizing are carried out to obtain the environment-friendly high-Vicat high-impact-resistance low.
The power conduits prepared in examples 1-2 and comparative examples 1-3 were tested for vicat softening point, ring stiffness and impact resistance at low temperature as required in DL/T802.3-2017 (test conditions were that the sample was treated at-5 ℃ for 1 hour, the weight of the hammer was 12.5kg, and the hammer fell from a height of 2 m), and the vulcanization resistance was measured by the following method: taking a closed container, putting a sample into the closed container, introducing a proper amount of water to submerge the sample, adding sodium sulfide into the container every day, observing the surface condition of the pipe, wherein the test results are shown in the following table:
Claims (7)
1. the environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit is characterized by being prepared from the following raw materials in parts by mass:
2. the environment-friendly high-vicat high-impact low-temperature-resistant anti-vulcanization pollution electric power conduit according to claim 1, characterized in that: the filler is nano calcium.
3. The environment-friendly high-vicat high-impact low-temperature-resistant anti-vulcanization pollution electric power conduit according to claim 1, characterized in that: the anti-aging agent is titanium dioxide.
4. The environment-friendly high-vicat high-impact low-temperature-resistant anti-vulcanization pollution electric power conduit according to claim 1, characterized in that: the external lubricant is one of high melting point wax and Fischer-Tropsch wax or the mixture of the two.
5. The environment-friendly high-vicat high-impact low-temperature-resistant anti-vulcanization pollution electric power conduit according to claim 1, characterized in that: the internal lubricant is one of monoglyceride and calcium stearate or the mixture of monoglyceride and calcium stearate.
6. The environment-friendly high-vicat high-impact low-temperature-resistant anti-vulcanization pollution electric power conduit according to claim 1, characterized in that: the pigment is pigment red diluted by 60 times.
7. The preparation method of the environment-friendly high-vicat high-impact low-temperature-resistant anti-sulfuration pollution electric power conduit as claimed in claim 1, characterized by comprising the following steps:
uniformly mixing CPVC resin, HPVC resin, PVC resin, a filling agent, a calcium-zinc stabilizer, CPE, ABS, an anti-aging agent, an external lubricant and an internal lubricant, adding the mixture into a double-screw extruder after uniform mixing, setting the barrel temperature at 160-plus-200 ℃, the confluence core temperature at 150-plus-155 ℃, the template temperature at 160-plus-190 ℃, the die temperature at 160-plus-190 ℃, adding pigment red through a stepper of the double-screw extruder, and cooling and shaping after extrusion molding is finished to obtain the environment-friendly high-Vicat high-impact low-temperature-resistant anti-vulcanization pollution power conduit.
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| CN202011596243.8A CN112745609A (en) | 2020-12-29 | 2020-12-29 | Environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration-pollution power conduit and preparation method thereof |
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| CN202011596243.8A CN112745609A (en) | 2020-12-29 | 2020-12-29 | Environment-friendly high-Vicat high-impact low-temperature-resistant anti-sulfuration-pollution power conduit and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731945A (en) * | 2012-06-18 | 2012-10-17 | 成都新兴富皇高分子材料科技有限公司 | Modified chlorinated polyvinyl chloride alloy material and preparation method thereof |
| CN104140628A (en) * | 2014-08-06 | 2014-11-12 | 上海贝思特管业有限公司 | Method for manufacturing CPVC power cable protection pipe |
| CN105348705A (en) * | 2015-10-30 | 2016-02-24 | 永高股份有限公司 | Preparation method of CPVC for nontoxic and high-processing stability cold and hot water |
| US20180002518A1 (en) * | 2014-12-19 | 2018-01-04 | Lubrizol Advanced Materials, Inc. | Cpvc pipe having improved resistance to environmental stress cracking |
| CN107987436A (en) * | 2017-12-13 | 2018-05-04 | 邓权塑业科技（湖南）有限公司 | A kind of preparation method of chliorinated polyvinyl chloride material and tubing |
-
2020
- 2020-12-29 CN CN202011596243.8A patent/CN112745609A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731945A (en) * | 2012-06-18 | 2012-10-17 | 成都新兴富皇高分子材料科技有限公司 | Modified chlorinated polyvinyl chloride alloy material and preparation method thereof |
| CN104140628A (en) * | 2014-08-06 | 2014-11-12 | 上海贝思特管业有限公司 | Method for manufacturing CPVC power cable protection pipe |
| US20180002518A1 (en) * | 2014-12-19 | 2018-01-04 | Lubrizol Advanced Materials, Inc. | Cpvc pipe having improved resistance to environmental stress cracking |
| CN105348705A (en) * | 2015-10-30 | 2016-02-24 | 永高股份有限公司 | Preparation method of CPVC for nontoxic and high-processing stability cold and hot water |
| CN107987436A (en) * | 2017-12-13 | 2018-05-04 | 邓权塑业科技（湖南）有限公司 | A kind of preparation method of chliorinated polyvinyl chloride material and tubing |
Non-Patent Citations (1)
| Title |
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| 王国全、王秀芬, 中国轻工业出版社 * |
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