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Flame-retardant high-weatherability high-strength electric threading pipe and preparation method thereof

A technology for threading pipes and electric power, which is applied in the field of flame-retardant, weather-resistant, high-strength electric power threading pipes and their preparation, can solve the problems of difficult pipe processing and low impact strength of pipes, and can prevent cracking, improve aging resistance, and improve The effect of temperature shock resistance

Inactive Publication Date: 2017-10-24
HEFEI ANLI ELECTRIC POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main raw material is polyvinyl chloride resin, the processing of the pipe is difficult, and the impact strength of the pipe is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A flame-retardant and weather-resistant high-strength power threading pipe in this embodiment includes the following raw materials in parts by weight:

[0039] 55 parts of chlorinated polyvinyl chloride resin, 24 parts of styrene thermoplastic elastomer, 1 part of lubricant, 10 parts of compound flame retardant, 4 parts of coupling agent, 3 parts of composite barium zinc stabilizer, 8 parts of anti-cracking fiber , 2 parts of compound insecticide and antibacterial agent, 6 parts of filler, 7 parts of processing aid, 12 parts of methyl methacrylate.

[0040] The polymerization degree of the chlorinated polyvinyl chloride resin in the present embodiment is 680;

[0041] The molecular weight of the styrene-based thermoplastic elastomer in this embodiment is greater than 200,000.

[0042] The lubricant in this embodiment is a mixture of zinc stearate, silicone powder, and oxidized polyethylene wax in a weight ratio of 2:1:2.

[0043] The composite flame retardant in this ...

Embodiment 2

[0055] A flame-retardant and weather-resistant high-strength power threading pipe in this embodiment includes the following raw materials in parts by weight:

[0056] 65 parts of chlorinated polyvinyl chloride resin, 28 parts of styrene thermoplastic elastomer, 3 parts of lubricant, 14 parts of compound flame retardant, 6 parts of coupling agent, 5 parts of composite barium zinc stabilizer, 10 parts of anti-crack fiber , 4 parts of compound insecticide and antibacterial agent, 8 parts of filler, 11 parts of processing aid, 16 parts of methyl methacrylate.

[0057] The degree of polymerization of the chlorinated polyvinyl chloride resin in the present embodiment is 720;

[0058] The molecular weight of the styrene-based thermoplastic elastomer in this embodiment is greater than 200,000.

[0059] The lubricant in this embodiment is a mixture of zinc stearate, silicone powder, and oxidized polyethylene wax in a weight ratio of 2:1:2.

[0060] The composite flame retardant in th...

Embodiment 3

[0072] A flame-retardant and weather-resistant high-strength power threading pipe in this embodiment includes the following raw materials in parts by weight:

[0073] 60 parts of chlorinated polyvinyl chloride resin, 26 parts of styrene thermoplastic elastomer, 2 parts of lubricant, 12 parts of compound flame retardant, 5 parts of coupling agent, 4 parts of composite barium zinc stabilizer, 9 parts of anti-cracking fiber , 3 parts of compound insecticide and antibacterial agent, 7 parts of filler, 9 parts of processing aid, 14 parts of methyl methacrylate.

[0074] The polymerization degree of the chlorinated polyvinyl chloride resin in the present embodiment is 680-720;

[0075] The molecular weight of the styrene-based thermoplastic elastomer in this embodiment is greater than 200,000.

[0076] The lubricant in this embodiment is a mixture of zinc stearate, silicone powder, and oxidized polyethylene wax in a weight ratio of 2:1:2.

[0077] The composite flame retardant in ...

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Abstract

The invention discloses a flame-retardant high-weatherability high-strength electric threading pipe. The threading pipe comprises the following raw materials by weight: 55-65 parts of chlorinated polyvinyl chloride resin, 24-28 parts of styrenic thermoplastic elastomer, 1-3 parts of a lubricant, 10-14 parts of a compound flame retardant, 4-6 parts of a coupling agent, 3-5 parts of a compound barium-zinc stabilizer, 8-10 parts of an anti-cracking fibers, 2-4 parts of a compound insecticidal and antibacterial agent, 6 -8 parts of a filler, 7-11 parts of a processing aids and 12-16 parts of methyl methacrylate. The threading pipe provided by the invention has the advantages of excellent indexes of tear strength, tensile strength and elongation at breakage, good resistance to aging, hot and cold impact, microbes and the like, good fire resistance and flame-retardant effect, no smoke, no odor and long service life. Meanwhile, according to a preparation method for the threading pipe, the raw material used in the method are safe, reliable, harmless to environment and low in cost; the method is easy to operate and suitable for industrial production; so the preparation method has high practical value and good application prospects.

Description

technical field [0001] The invention relates to the technical field of power materials, in particular to a flame-retardant and weather-resistant high-strength power threading pipe and a preparation method thereof. Background technique [0002] Wires buried in the wall must be threaded through pipes, because no matter how good the circuit quality is, it is difficult to guarantee that there will be failures in the future, and the circuit needs to be replaced. Avoid causing "dead lines" that cannot be pulled in the future. [0003] Most of today's buried wire and cable threading pipes are polyvinyl chloride pipes (the main raw material is polyvinyl chloride, using lead and cadmium stabilizers, and then adding other necessary additives, and extruded. The pipes are generally orange-red, The maximum specification size is Φ219×9.5mm, and the pipe length is generally 6m. The main raw material is polyvinyl chloride resin, which is difficult to process and has low impact strength. Du...

Claims

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Application Information

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IPC IPC(8): C08L27/24C08L53/02C08L67/00C08K13/06C08K9/06C08K9/04C08K7/06C08K7/14C08K3/22C08K3/32C08K3/38B29C47/92B29L23/00B29C48/92
CPCC08L27/24B29C48/92B29C2948/9258B29C2948/92704B29C2948/92895B29C2948/92904B29L2023/22C08K2003/2213C08K2003/2224C08K2003/2227C08K2003/2248C08K2003/2296C08K2003/322C08K2201/003C08K2201/004C08K2201/011C08K2201/014C08L2201/02C08L2201/08C08L2203/20C08L2205/035C08L2207/04C08L53/02C08L67/00C08K13/06C08K9/06C08K9/04C08K7/06C08K7/14C08K3/22C08K3/32C08K3/38
Inventor 殷世尧
Owner HEFEI ANLI ELECTRIC POWER ENG CO LTD
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