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High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof

A double-wall corrugated pipe and polyvinyl chloride technology, applied in the field of plastics, can solve the problems affecting the development of PVC-U double-wall corrugated pipe, the damage of PVC-U double-wall corrugated pipe, poor impact resistance at low temperature, etc. The effect of improving impact performance, overcoming lack of toughness, and improving toughness

Inactive Publication Date: 2017-02-22
公元管道(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PVC-U double-wall corrugated pipe has the advantages of good rigidity and low price, but also has the disadvantage of poor low-temperature impact resistance, especially in northern my country, it is very easy to be damaged during construction in winter
In practical applications, in areas with complex geological conditions, falling stones and rocks at the bottom of the ditch may cause damage to the PVC-U double-wall corrugated pipe
In addition, irregular construction can easily lead to a series of engineering accidents in the application of PVC-U double-wall corrugated pipes, which affects the further development of PVC-U double-wall corrugated pipes

Method used

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  • High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof
  • High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof
  • High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1 A high-impact polyvinyl chloride double-wall corrugated pipe and its preparation method

[0028] A high-impact polyvinyl chloride double-wall corrugated pipe, comprising the following raw materials in parts by weight:

[0029] Polyvinyl chloride resin 100Kg, light calcium carbonate 5Kg, impact additive 10Kg, PE wax 0.2Kg, stearic acid 0.6Kg, processing aid 1.0Kg, processing stabilizer 3.5Kg;

[0030] Among them, the anti-impact additive includes MBS resin and ACM resin with a weight ratio of 1:1.

[0031] The MBS resin is prepared from methacrylic resin, styrene and butadiene through emulsion graft polymerization.

[0032] The ACM resin comprises a copolymer formed by grafting mildly chlorinated HDPE and acrylate with a ratio of parts by weight of 2:1, wherein the content of chlorine in the slightly chlorinated HDPE is 35%.

[0033] The processing aid is ACR type processing aid, its intrinsic viscosity is 4.8-5.1, which is LP-21.

[0034] The processing sta...

Embodiment 2

[0043] Example 2 A high-impact polyvinyl chloride double-wall corrugated pipe

[0044] A high-impact polyvinyl chloride double-wall corrugated pipe, comprising the following raw materials in parts by weight:

[0045] 125Kg of polyvinyl chloride resin, 15Kg of light calcium carbonate, 15Kg of anti-impact additive, 0.5Kg of PE wax, 1.2Kg of stearic acid, 2Kg of processing aid, and 6.25Kg of processing stabilizer;

[0046] Wherein, the anti-impact auxiliary agent includes MBS resin, ACM resin and silicone toughening agent with a weight ratio of 3:2:1, and the silicone toughening agent includes methyl methacrylate, acrylate and silicone. Copolymer of core-shell structure.

[0047] Its preparation method is identical with embodiment 1.

Embodiment 3-7

[0048] Example 3-7 High-impact polyvinyl chloride double-wall corrugated pipe

[0049] Examples 3-7 are a kind of high-impact polyvinyl chloride double-wall bellows respectively, and the types of raw materials and the preparation method are the same as those in Example 1. The only difference is that the amount of raw materials used is different, as shown in the following table Show:

[0050]

[0051]

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Abstract

The invention discloses a high-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and a preparing method thereof. The high-impact-resistant-polyvinyl-chloride double-wall corrugated pipe is prepared from polyvinyl-chloride resin, light calcium carbonate, an impact-resistant assistant, PE wax, stearic acid, a processing agent and a processing stabilizer. The polyvinyl-chloride resin is a main raw material, and is subjected to physical modification and extruded and produced, and the high-impact-resistant-polyvinyl-chloride double-wall corrugated pipe is obtained. The high-impact-resistant-polyvinyl-chloride double-wall corrugated pipe has the excellent low-temperature impact-resistant performance, and the high-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and the preparing method thereof are suitable for preparing the high-impact-resistant double-wall corrugated pipe.

Description

technical field [0001] The invention belongs to the field of plastics, and relates to a corrugated pipe and a preparation method thereof, in particular to a high-impact polyvinyl chloride double-wall corrugated pipe and a preparation method thereof. Background technique [0002] Among the plastic structural wall pipes used in drainage and sewage pipes in my country, the rigid polyvinyl chloride (PVC-U) double-wall corrugated pipe was first developed. PVC-U double-wall corrugated pipe has the advantages of good rigidity and low price, but it also has the disadvantage of poor low temperature impact resistance, especially in northern my country, it is very easy to be damaged during construction in winter. In practical applications, in areas with complex geological conditions, falling stones and rocks at the bottom of the ditch may cause damage to the PVC-U double-wall bellows. In addition, irregular construction can easily lead to a series of engineering accidents in the appli...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L23/06C08L51/04C08L51/06C08L33/04C08K13/02C08K3/26C08K5/09B29D23/00
CPCC08L27/06B29D23/001C08L2203/18C08L2205/02C08L2205/035
Inventor 卢震宇王杰军徐亦炯刘良斌范群辉夏利平
Owner 公元管道(上海)有限公司
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