A pvc high weather resistance rainwater pipe

A rainwater pipe and weather-resistant technology, which is applied in the field of polymers, can solve the problems of weather resistance restricting the service life of PVC-U rainwater pipes, poor weather resistance of pipes, and affecting service life, so as to enrich product types, improve physical and chemical properties, and prolong service life. The effect of longevity

Active Publication Date: 2019-10-15
TIANJIN ZHONGCAI PROFILES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, due to the rapid development of urbanization, the proportion of high-rise buildings in new buildings is gradually increasing, and the demand for rainwater pipes is also increasing year by year. The weather resistance of ordinary PVC-U rainwater pipes has been affected by the outdoor environment for a long time. Service life of PVC-U rainwater pipe
[0003] PVC rainwater pipes are often used outdoors. Rainwater pipes are used outdoors to withstand wind and sun. If the weather resistance of the pipes is not good, it is prone to photoaging after a period of use, which affects both appearance and service life.

Method used

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  • A pvc high weather resistance rainwater pipe
  • A pvc high weather resistance rainwater pipe
  • A pvc high weather resistance rainwater pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A PVC high-weather-resistant rainwater pipe, the rainwater pipe includes an outer layer pipe and an inner layer pipe;

[0058] The outer pipe is made of raw materials including the following parts by weight: 100 parts of PVC, 3.5 parts of calcium zinc stabilizer, 5 parts of filler, 2.9 parts of rutile titanium dioxide, 2.1 parts of anatase titanium dioxide, 0.2 parts of PE wax 0.4 part of benzophenone UV531, 0.4 part of polyphenol antioxidant 1010, 0.5 part of nano cerium oxide, 1 part of ACR;

[0059] The inner pipe is made of the following raw materials by weight: 100 parts of PVC, 15 parts of calcium carbonate, 3 parts of calcium zinc stabilizer, 1.5 parts of titanium dioxide, 0.8 parts of ACR, and 0.1 part of PE wax;

[0060] The outer pipe material accounts for 10% of the mass of the rainwater pipe. The particle size of the nano cerium oxide is 6nm.

[0061] The preparation method of described PVC high weather resistance rainwater pipe, comprises the steps:

[0...

Embodiment 2

[0066] A PVC high-weather-resistant rainwater pipe, the rainwater pipe includes an outer layer pipe and an inner layer pipe;

[0067] The outer layer pipe is made of raw materials including the following parts by weight: 100 parts of PVC, 4 parts of calcium zinc stabilizer, 8 parts of red mud, 4.6 parts of rutile titanium dioxide, 3.4 parts of anatase titanium dioxide, 0.8 parts of PE wax 0.2 part of stearic acid, 0.5 part of benzophenone UV531, 0.2 part of polyphenol antioxidant 1010, 0.1 part of phosphite antioxidant 168, 0.8 part of nano cerium oxide, 2 parts of ACR;

[0068] The inner pipe is made of the following raw materials by weight: 100 parts of PVC, 15 parts of calcium carbonate, 3 parts of calcium zinc stabilizer, 1.5 parts of titanium dioxide, 0.8 parts of ACR, and 0.1 part of PE wax;

[0069] The outer pipe material accounts for 10% of the mass of the rainwater pipe. The particle size of the nano cerium oxide is 6nm.

[0070] The preparation method of described...

Embodiment 3

[0075] A PVC high-weather-resistant rainwater pipe, the rainwater pipe includes an outer layer pipe and an inner layer pipe;

[0076] The outer pipe is made of raw materials including the following parts by weight: 100 parts of PVC, 4.5 parts of calcium zinc stabilizer, 8 parts of white cherry blossom nano-calcium carbonate, 5.7 parts of rutile titanium dioxide, 4.3 parts of anatase titanium dioxide, 0.5 parts of OPE, 0.7 parts of stearic acid, 0.8 parts of benzotriazole UV-326, 0.2 parts of polyphenol antioxidant 1010, 0.3 parts of thioester antioxidant PS806, 1.4 parts of nano cerium oxide, 2 parts of ACR;

[0077] The inner pipe is made of the following raw materials by weight: 100 parts of PVC, 15 parts of calcium carbonate, 3 parts of calcium zinc stabilizer, 1.5 parts of titanium dioxide, 0.8 parts of ACR, and 0.1 part of PE wax;

[0078] The outer pipe material accounts for 10% of the mass of the rainwater pipe. The particle size of the nano cerium oxide is 6nm.

[00...

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Abstract

The invention provides a PVC high weather-resistant rain water pipe, which comprises an outer layer pipe and an inner layer pipe, wherein the outer layer pipe is prepared from the following raw materials in parts by weight: 100 parts of PVC, 3.5-4.5 parts of a stabilizer, 5-10 parts of a filler, 5-10 parts of titanium pigment, 0.2-2.5 parts of a lubricating agent, 0.4-0.8 part of an ultraviolet absorbent, 0.1-0.5 part of an antioxidant, 0.5-1.6 parts of nano cerium oxide and 1-3 parts of a processing auxiliary; and the inner layer pipe is prepared from the following raw materials in parts by weight: 100 parts of PVC, 10-35 parts of calcium carbonate, 3-4 parts of a stabilizer, 1.2-2 parts of titanium pigment, 0.5-1 part of ACR and 0.05-0.4 part of a lubricating agent. According to the PVC high weather-resistant rain water pipe provided by the invention, the contents of the titanium pigment and ultraviolet absorbent in the formula of the rain water pipe are increased, so that the rain water pipe has preferable light aging property when used outdoors.

Description

technical field [0001] The invention belongs to the technical field of macromolecules, in particular to a PVC rainwater pipe with high weather resistance. Background technique [0002] my country's polyvinyl chloride (PVC) pipes have developed rapidly in recent years, with an annual growth rate of 8%, while the annual demand growth rate is 2%. Among the plastic pipes, the amount of PVC pipes has been far ahead. At the same time, due to the rapid development of urbanization, the proportion of high-rise buildings in new buildings is gradually increasing, and the demand for rainwater pipes is also increasing year by year. The weather resistance of ordinary PVC-U rainwater pipes has been affected by the outdoor environment for a long time. The service life of PVC-U rainwater pipe. [0003] PVC rainwater pipes are often used outdoors. Rainwater pipes are exposed to wind and sun when used outdoors. If the weather resistance of the pipes is not good, it is prone to photoaging aft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L23/06C08L33/04C08L23/30C08K13/02C08K3/22C08K5/134C08K3/26C08K5/09C08K5/526F16L9/133
CPCC08K2201/011C08K2201/014C08L27/06C08L2203/18C08L2205/03F16L9/133C08L23/06C08L33/04C08K13/02C08K2003/2241C08K5/1345C08K2003/2213C08K2003/265C08K5/09C08K5/526C08L23/30Y02A20/20
Inventor 王景旺高元杰卜淑云
Owner TIANJIN ZHONGCAI PROFILES
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