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High-voltage electric power casing and pipe of chlorinated polyvinyl chloride and their production process
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A chlorinated polyvinyl chloride and high-voltage power technology, which is applied to tubular articles, other household appliances, applications, etc., can solve the problems affecting the quality of buried pipeline works, road construction rolling, low strength and toughness, etc. Improved tensile yield strength and good mechanical properties
Inactive Publication Date: 2005-01-26
周辉 +2
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Problems solved by technology
Although it has the characteristics of corrosion resistance, light weight and low cost, its heat resistance temperature does not exceed 50°C, its strength and toughness are small, and it is easily broken when the road surface is rolled, which will affect the engineering quality of buried pipelines.
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Embodiment 1
[0037] (1) Production casing:
[0038] (1) Ingredients: chlorinated polyvinyl chloride resin powder: 100 parts by weight, nanoscale CaCo 3 Special resin for in-situ polymerization with vinyl chloride monomer: 8 parts by weight, heat stabilizer: 3 parts by weight, lubricant: 2 parts by weight, impact modifier: 8 parts by weight, processing modifier: 2 parts by weight, resistance Combustion agent: 4 parts by weight, nano calcium carbonate: 3 parts by weight mixed preparation;
[0039] (2) Stirring: Stir the prepared raw materials in a high-speed mixer until the temperature reaches 100-105°C, then stir in a low-speed cooling mixer to cool down to 60°C, and discharge for later use;
[0040] (3) sieve, use vibrating type sieve machine to sieve and reach 40 orders;
[0041] (4) Extrusion: Extrude the billet with a φ65 or φ55 twin-screw extruder, specifically using the German general temperature control method, that is, from the first area of the fuselage (185°C) to the confluenc...
Embodiment 2
[0054] (1) Process steps for producing casing:
[0055] (1) Ingredients: chlorinated polyvinyl chloride resin powder: 100 parts by weight, nanoscale CaCo 3Special resin for in-situ polymerization with vinyl chloride monomer: 12 parts by weight, heat stabilizer: 3.5 parts by weight, lubricant: 3 parts by weight, impact modifier: 10 parts by weight, processing modifier: 2.5 parts by weight, resistance Combustion agent: 3 parts by weight, nano calcium carbonate: 3 parts by weight mixed preparation;
[0056] (2) Stirring: Stir the prepared raw materials in a high-speed mixer until the temperature reaches 100-105°C, then stir in a low-speed cooling mixer to cool down to 60°C, and discharge for later use;
[0057] (3) sieve, use vibrating type sieve machine to sieve and reach 40 orders;
[0058] (4) Extrusion: Extrude the billet with a φ65 or φ55 twin-screw extruder, specifically using the German general temperature control method, that is, from the first area of the fuselage (1...
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Abstract
The present invention is high-voltage electric power casing pipe and pipe fitting of chlorinated polyvinyl chloride and their production process. The electric power casing pipe is produced with chlorinated polyvinyl chloride resin powder, nanometer polyvinyl chloride resin, heat stabilizer, lubricant, impact resisting modifier, machining modifier, fire retardant and nanometer calcium carbonate. The main components for the pipe fitting includes chlorinated polyvinyl chloride resin powder, nanometer polyvinyl chloride resin, heat stabilizer, lubricant, impact resisting modifier, machining modifier, fire retardant and nanometer calcium carbonate. The present invention has no heat decomposition problem; is anticorrosive, heat resistant, good in mechanical performance; and may be used for cable casing pipes in post and telecommunication and high-voltage power.
Description
technical field [0001] The invention relates to a bushing for underground wire embedding, in particular to a chlorinated polyvinyl chloride high-voltage power bushing, a pipe fitting and a production method thereof. Background technique [0002] At present, most of the underground pipes used in urban construction are made of polyvinyl chloride materials, such as pressure-bearing sanitary pipes and pipe fittings for urban construction, water supply and drainage pipes and pipe fittings for buildings, porous casings for electric power, high-voltage cable pipes, and sky pipes. Gas gas pipes, etc., are all made of polyvinyl chloride. Although it has the characteristics of corrosion resistance, light weight and low cost, its heat resistance temperature does not exceed 50°C, its strength and toughness are small, and it is easily broken when the road surface is rolled and rolled, thus affecting the engineering quality of buried pipelines. Contents of the invention [0003] The te...
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Application Information
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