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Low-cost low-precipitation PVC-U drain pipe material and preparation method thereof

A PVC-U, low-cost technology, applied to the low-cost and low-precipitation PVC-U drainage pipe material and the field of its preparation, can solve the problem of high formula cost, achieve low formula cost, less waste and residues, and reduce production costs Effect

Pending Publication Date: 2022-03-01
LIANSU TECH DEV WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The primary purpose of the present invention is to overcome the problem of precipitation in the production process of PVC-U drainage pipe material in the prior art or the high cost of the existing anti-separation PVC-U drainage pipe material formula, and provide a low-cost and low-precipitation PVC-U drain pipe material

Method used

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  • Low-cost low-precipitation PVC-U drain pipe material and preparation method thereof
  • Low-cost low-precipitation PVC-U drain pipe material and preparation method thereof
  • Low-cost low-precipitation PVC-U drain pipe material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1～8

[0074] Examples 1-8 provide a series of PVC-U drainage pipe materials, the formulations of which include the components shown in Table 2 in parts by weight.

[0075] The formula of table 2 embodiment 1~8

[0076]

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Abstract

The invention relates to a low-cost and low-precipitation PVC-U drain pipe material and a preparation method thereof. The low-cost and low-precipitation PVC-U drain pipe material comprises the following components in parts by weight: 100 parts of PVC resin; 10-30 parts of an inorganic filler; 3-6 parts of a calcium-zinc stabilizer; 0.2 to 1 part of a styrene-acrylate modified material; 0.5 to 1.5 parts of a lubricant; 1-2 parts of a coloring agent; and 2-5 parts of an impact modifier. According to the low-cost and low-precipitation PVC-U drain pipe material, the precipitation condition is greatly improved in the production process, the production mold cleaning period is prolonged, the shutdown frequency is reduced, the energy consumption and the product rejection rate are reduced, meanwhile, the formula cost is low, and the economic benefits of enterprises are guaranteed.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a low-cost and low-precipitation PVC-U drainage pipe material and a preparation method thereof. Background technique [0002] PVC-U drainage pipe has excellent physical and chemical properties, chemical corrosion resistance, high impact strength, small fluid resistance, 30% higher flow rate than cast iron pipe with the same diameter, aging resistance, long service life, and the service life is not less than 50 years. Ideal material for water supply and drainage. The production formula of PVC-U drainage pipes uses PVC resin as the main material, and at the same time it is mixed with other additives such as stabilizers, lubricants, and impact-resistant agents. In recent years, in order to comply with the new situation of environmental protection, calcium zinc stabilizers have been widely used in the production formula of PVC-U drainage pipes instead of lead salt stabiliz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L25/14C08L23/30C08K9/04C08K3/34C08K5/098C08K3/26
CPCC08L27/06C08L2203/18C08K2201/011C08K2003/265C08L25/14C08L23/30C08K9/04C08K3/346C08K5/098C08K3/26
Inventor 梅绮文乔晓辉孙秀慧
Owner LIANSU TECH DEV WUHAN
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