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A modified fiber reinforced PVC plastic pipe and its preparation method

A technology for modifying fibers and plastic pipes is applied in the field of plastic pipes, which can solve the problems of weak mechanical strength and fracture of PVC plastic pipes, and achieve the effects of good processing performance, low economic cost and improved toughness.

Active Publication Date: 2017-10-03
广东胜达塑胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the PVC plastic pipe prepared by this patent has good corrosion resistance, the mechanical strength of the obtained PVC plastic pipe is very weak, and it is easy to break under high load conditions and affect the use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A modified fiber-reinforced PVC plastic pipe, the raw materials for preparing the modified fiber-reinforced PVC plastic pipe and parts by weight include: 100 parts of PVC with a molecular weight of 500,000, 1 part of modified fiber material, 0.001 part of binder, and 0.05 part of filler , 0.01 part of auxiliary agent, 0.02 part of coupling agent.

[0036] The modified fiber material is made by modifying the fiber material with urotropine modifier; the fiber material is carbon fiber; the binder is silicone; the filler is kaolin with a fineness of 1600 mesh sieve; the auxiliary agent is sodium carbonate ; The coupling agent is dibutyltin dilaurate.

Embodiment 2

[0038] A modified fiber-reinforced PVC plastic pipe, the raw material for preparing the modified fiber-reinforced PVC plastic pipe and its parts by weight include: 100 parts of PVC with a molecular weight of 800,000, 15 parts of modified fiber material, 0.005 part of binder, and 0.25 part of filler , 0.05 part of auxiliary agent, 0.15 part of coupling agent;

[0039] Among them, the modified fiber material is made by modifying the fiber material with ethylenediamine modifier; the fiber material is ceramic fiber; the ceramic fiber is alumina fiber; the binder is silicone; Barium sulfate; auxiliary agent is ammonium bicarbonate; coupling agent is dioctyltin dilaurate.

Embodiment 3

[0041] A modified fiber-reinforced PVC plastic pipe, the raw materials for preparing the modified fiber-reinforced PVC plastic pipe and its parts by weight include: 100 parts of PVC with a molecular weight of 650,000, 8 parts of modified fiber materials, 0.003 parts of binder, and 0.15 parts of filler , 0.03 part of auxiliary agent, 0.08 part of coupling agent.

[0042] The modified fiber material is made by modifying the fiber material with a phthalic anhydride modifier; the fiber material is ceramic fiber; the ceramic fiber is a mixture of mullite whiskers and aluminum silicate fibers at a mass ratio of 1:1 The mixture; the binder is phenolic resin; the filler is calcium oxide with a fineness of 1800 mesh sieve; the auxiliary agent is sodium carbonate; the coupling agent is dibutyltin dilaurate.

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PUM

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Abstract

The invention discloses a modified fiber reinforced PVC plastic pipe and a preparation method thereof. The prepared modified fiber reinforced PVC plastic pipe is prepared from, by weight, 100 parts of PVC, 1-15 parts of modified fiber material, 0.001-0.005 part of adhesive, 0.05-0.25 part of filler, 0.01-0.05 part of auxiliary and 0.02-0.15 part of coupling agent. The preparation method includes the steps of preparation of the modified fiber material, mixing and extrusion forming. The tensile properties, mechanical strength, toughness and bending resistance of the prepared modified fiber reinforced PVC plastic pipe are remarkably improved.

Description

technical field [0001] The invention relates to the field of plastic pipes, in particular to a modified fiber reinforced PVC plastic pipe and a preparation method thereof. Background technique [0002] Plastic pipe is a new generation of building materials emerging with the continuous improvement of chemical technology. It is especially suitable for the construction of various pipe networks. It has outstanding characteristics such as small flow loss energy, good durability and anti-aging performance, and convenient construction and laying. And has obvious cost advantages. [0003] Polyvinyl chloride (PVC) plastic pipe has excellent physical and chemical properties such as good flame retardant effect, strong acid and alkali resistance, high structural strength, and good electrical insulation. It is one of the most widely used plastic pipes on the market. However, the tensile level and toughness of PVC plastic pipes are poor. When PVC plastic pipes are subjected to large tens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L83/04C08L77/00C08K13/06C08K9/04C08K7/06C08K7/10C08K7/08C08K7/14
CPCC08L27/06C08L2203/18C08L2205/03C08L2205/16C08L83/04C08K13/06C08K9/04C08K7/06C08K7/08C08L61/06C08K7/10C08K7/14C08L77/00C08K13/02C08K3/36
Inventor 潘海云
Owner 广东胜达塑胶科技有限公司
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