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Corrugated pipe raw material composition, preparation method thereof and pipe

A technology of raw material composition and bellows, applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc., can solve the problem of reducing the compliance rate of the main technical indicators of the pipe ring stiffness inspection, reducing the compliance rate of the pipe ring flexibility inspection, and unfavorable pipe materials. Long-term performance stability and other issues, to achieve the effect of improving physical and chemical properties and yield, improving ring stiffness, and improving ring stiffness

Inactive Publication Date: 2020-02-28
JIANGXI TIANFENG CONSTR GRP PLASTIC STEELTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since glass fiber is an inorganic reinforcing material made of quartz sand, boronite and other ores through melting and drawing processes, it is quite different and compatible with organic polypropylene carrier in terms of structure, polarity, and crystallization. Therefore, the compliance rate of the main technical indicators of the pipe ring stiffness test is reduced, which is not conducive to the long-term stability of the pipe performance; especially because of the brittleness of the glass fiber inorganic reinforced material, it further reduces the compliance rate of the main technical index of the pipe ring flexibility test rate, so that the pipe ring stiffness and ring flexibility co-exist with each other and the technical standard requirements are difficult to meet the standards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment provides a corrugated pipe raw material composition, and the preparation method of the corrugated pipe raw material composition includes the following steps:

[0028] (1) Weigh 630 g of polypropylene, 250 g of polymethyl methacrylate, 50 g of 1,2-polybutadiene, 50 g of maleic anhydride, 10 g of light stabilizer, and 10 g of antibacterial agent, and set aside. Among them, the antibacterial agent is silver-loaded zirconium phosphate, and the commercially available antibacterial agent XDK-201 can be selected specifically, and the light stabilizer is 2-(2'-hydroxyl-3'-tert-butyl-5'-methylphenyl )-5-chlorobenzotriazole, the commercially available model UV-326 light stabilizer can be selected specifically.

[0029] (2) Mix the above-mentioned polypropylene, polymethacrylate, 1,2-polybutadiene, maleic anhydride, light stabilizer, and antibacterial agent at a temperature of 50°C, and then place Dispersion was carried out at a temperature of 5° C. to obtain a di...

Embodiment 2

[0032] This embodiment provides a corrugated pipe raw material composition, and the preparation method of the corrugated pipe raw material composition includes the following steps:

[0033] (1) Weigh 928g of polypropylene, 50g of polymethyl methacrylate, 10g of 1,2-polybutadiene, 10g of maleic anhydride, 1g of light stabilizer, and 1g of antibacterial agent, and set aside. Among them, the antibacterial agent is silver-loaded zirconium phosphate, and the commercially available antibacterial agent X DK-201 can be selected specifically, and the light stabilizer is 2-(2'-hydroxyl-3'-tert-butyl-5'-methylbenzene Base)-5-chlorobenzotriazole, specifically, the commercially available model UV-326 light stabilizer can be selected.

[0034] (2) The above-mentioned polypropylene, polymethacrylate, 1,2-polybutadiene, maleic anhydride, light stabilizer, and antibacterial agent are mixed at a temperature of 80°C, and then placed in Dispersion was carried out at a temperature of 25° C. to ob...

Embodiment 3

[0037] This embodiment provides a corrugated pipe raw material composition, and the preparation method of the corrugated pipe raw material composition includes the following steps:

[0038] (1) Weigh polypropylene 701.8, polymethyl methacrylate 210.5g, 1,2-polybutadiene 35.1g, maleic anhydride 42.1g, light stabilizer 4.9g, antibacterial agent 5.6g, set aside. Among them, the antibacterial agent is silver-loaded zirconium phosphate, and the commercially available antibacterial agent XDK-201 can be selected specifically, and the light stabilizer is 2-(2'-hydroxyl-3'-tert-butyl-5'-methylphenyl )-5-chlorobenzotriazole, the commercially available model UV-326 light stabilizer can be selected specifically.

[0039] (2) Mix the above-mentioned polypropylene, polymethylmethacrylate, 1,2-polybutadiene, maleic anhydride, light stabilizer, and antibacterial agent at a temperature of 60°C, and then place Dispersion was carried out at a temperature of 10° C. to obtain a dispersion.

[00...

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Abstract

The invention discloses a corrugated pipe raw material composition, a preparation method thereof and a pipe, and belongs to the technical field of pipes. The corrugated pipe raw material composition comprises the following components in percentage by mass: 63%-92.8% of polypropylene, 5%-25% of polymethyl methacrylate, 1%-5% of 1, 2-polybutadiene, 1%-5% of maleic anhydride, 0.1%-1% of a light stabilizer and 0.1%-1% of an antibacterial agent, wherein the light stabilizer is 2-(2 '-hydroxy-3'-tert-butyl-5 '-methylphenyl)-5-chlorobenzotriazole; and the antibacterial agent is silver loaded zirconium phosphate. The corrugated pipe raw material composition provided by the embodiment of the invention solves the technical problem that the coexistence of the ring stiffness and the ring flexibility of the pipe is difficult to reach the standard, improves the physical and chemical properties and the yield of the pipe, is beneficial to the falling of the manufacturing cost of the pipe, and prolongsthe service life of the pipe.

Description

technical field [0001] The invention relates to the technical field of pipes, in particular to a corrugated pipe raw material composition, a preparation method thereof and pipes. Background technique [0002] At present, most of the supporting corrugated pipe raw materials for high-density polyethylene winding structure wall B-shaped pipes produced and processed by pipe industry enterprises are mostly made of polypropylene and glass fiber blended extrusion molding to meet the technical standards for pipe ring stiffness. [0003] However, since glass fiber is an inorganic reinforcing material made of quartz sand, boronite and other ores through melting and drawing processes, it is quite different and compatible with organic polypropylene carrier in terms of structure, polarity, and crystallization. Therefore, the compliance rate of the main technical indicators of the pipe ring stiffness test is reduced, which is not conducive to the long-term stability of the pipe performanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L33/12C08L9/00C08K9/12C08K5/3475C08K5/1539F16L9/12
CPCC08L23/12F16L9/12C08L2203/18C08L2205/08C08L33/12C08L9/00C08K9/12C08K5/3475C08K5/1539
Inventor 于广海刘小炎刘栋梁刘锦荣
Owner JIANGXI TIANFENG CONSTR GRP PLASTIC STEELTECH
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