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Plastic pipe preparation method

A plastic tube and polypropylene technology, applied in the field of plastic products, can solve the problems of poor heat dissipation performance and tensile performance, and achieve the effect of good heat dissipation performance and tensile performance

Inactive Publication Date: 2015-08-05
柳州蔚园塑料彩印包装有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the plastic pipe has the above advantages, it still has the disadvantages of poor heat dissipation and tensile properties, and it is necessary to continuously improve the plastic pipe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] This plastic tube is made of the following components:

[0021] 1000g of polypropylene, 200g of polyolefin, 80g of polyethylene octene co-elastomer, 40g of low-lead composite stabilizer, 70g of titanium dioxide, 30g of stearic acid and 550g of silicon carbide;

[0022] Its preparation method comprises the following steps:

[0023] A. According to the above weight, heat and melt the polypropylene and polyolefin first, and stir evenly;

[0024] B. After step B is completed, add polyethylene octene co-elastomer, low-lead composite stabilizer, titanium dioxide and stearic acid to it, stir evenly, then heat up to 160°C-165°C, and keep warm for 3 hours;

[0025] C. After the reaction in step B is completed, first lower the temperature to 120°C to 125°C, then add silicon carbide to it, and keep stirring for 0.5 hours;

[0026] D. After the stirring in step C is completed, put it into a mold and extrude it.

[0027] The plastic pipe prepared in this embodiment has good he...

Embodiment 2

[0029] This plastic tube is made of the following components:

[0030] 1000g of polypropylene, 250g of polyolefin, 60g of polyethylene octene co-elastomer, 50g of low-lead composite stabilizer, 50g of titanium dioxide, 20g of stearic acid and 500g of silicon carbide;

[0031] Its preparation method comprises the following steps:

[0032] A. According to the above weight, heat and melt the polypropylene and polyolefin first, and stir evenly;

[0033] B. After step B is completed, add polyethylene octene co-elastomer, low-lead composite stabilizer, titanium dioxide and stearic acid to it, stir evenly, then heat up to 160°C-165°C, and keep warm for 3 hours;

[0034] C. After the reaction in step B is completed, first lower the temperature to 120°C to 125°C, then add silicon carbide to it, and keep stirring for 0.5 hours;

[0035] D. After the stirring in step C is completed, put it into a mold and extrude it.

[0036] The plastic pipe prepared in this embodiment has good he...

Embodiment 3

[0038] This plastic tube is made of the following components:

[0039] 1000g of polypropylene, 220g of polyolefin, 120g of polyethylene octene co-elastomer, 60g of low-lead composite stabilizer, 60g of titanium dioxide, 10g of stearic acid and 600g of silicon carbide;

[0040] Its preparation method comprises the following steps:

[0041] A. According to the above weight, heat and melt the polypropylene and polyolefin first, and stir evenly;

[0042] B. After step B is completed, add polyethylene octene co-elastomer, low-lead composite stabilizer, titanium dioxide and stearic acid to it, stir evenly, then heat up to 160°C-165°C, and keep warm for 3 hours;

[0043] C. After the reaction in step B is completed, first lower the temperature to 120°C to 125°C, then add silicon carbide to it, and keep stirring for 0.5 hours;

[0044] D. After the stirring in step C is completed, put it into a mold and extrude it.

[0045] The plastic pipe prepared in this embodiment has good h...

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Abstract

The invention discloses a plastic pipe preparation method, and belongs to the field of plastic products. The plastic pipe preparation method includes the steps: heating, melting and uniformly stirring polypropylene and polyolefin; adding polyethylene octylene blending elastomer, low-lead composite stabilizers, titanium dioxide and stearic acid into the polypropylene and the polyolefin, uniformly stirring materials, heating the materials to reach the temperature of 160-165 DEG C, keeping the temperature and performing reaction for 3 hours; reducing the temperature to 120-125 DEG C, adding silicon carbide into the materials, keeping the temperature and stirring the materials for 0.5 hour; placing the materials into a mould and extruding the materials. Based on the polypropylene and the polyolefin serving as a plastic substrate, the polyethylene octylene blending elastomer, the low-lead composite stabilizers, the titanium dioxide, the stearic acid and the silicon carbide are added, so that a prepared plastic pipe can achieve fine heat dissipation performance and tensile performance.

Description

technical field [0001] The invention belongs to the field of plastic products, in particular to a method for preparing a plastic pipe. Background technique [0002] Plastic pipes are generally made of synthetic resin, that is, polyester, added with stabilizers, lubricants, plasticizers, etc., and extruded in a pipe making machine by a "plastic" method. Because of its light weight, corrosion resistance, beautiful appearance, no bad smell, easy processing and convenient construction, it has been more and more widely used in construction projects. The preparation method of plastic pipes is mainly used as pipes for tap water supply systems of buildings, drainage, exhaust and sewage sanitary pipes, underground drainage pipe systems, rainwater pipes, and threading pipes for wire installation. [0003] Although the plastic pipe has the above-mentioned advantages, it still has the disadvantages of poor heat dissipation performance and tensile performance, and the plastic pipe needs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/02C08L23/08C08K3/22C08K5/09C08K3/34
CPCC08L23/12C08L2203/18C08L2205/03
Inventor 周莉
Owner 柳州蔚园塑料彩印包装有限责任公司
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