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Reinforced thermoplastic plastic pipe and its production method

A technology for enhancing thermoplastic and plastic pipes, applied to rigid pipes, chemical instruments and methods, pipes, etc., can solve problems such as difficult promotion, and achieve the effects of not easy to scale, increase strength, and increase strength and rigidity

Inactive Publication Date: 2008-05-14
常州市生富公路材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the price of this fiber is dozens of times that of plastic, so it is difficult to promote in developing countries

Method used

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  • Reinforced thermoplastic plastic pipe and its production method
  • Reinforced thermoplastic plastic pipe and its production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The steps of the method for producing reinforced thermoplastic pipes are as follows:

[0038]①According to the weight ratio of 20:1.5:5.0:78.5, nanomaterials (calcium carbonate with a particle size of 10-80nm), antioxidants (pentaerythritol esters), paraffin (liquefied paraffin) and high-density polyethylene resin (HDPE100) were processed simultaneously. Equipped with an ultraviolet emitting device (non-metallic material artificial accelerator) and non-stop moving dry channel for dispersion, and then enter the Lantian twin-screw extruder to make masterbatches, at this time the paraffin wax that acts as a lubricant has been completely volatilized;

[0039] ②In the SJ series screw extruder, according to the weight ratio of 6:2:92, the masterbatch, antistatic agent (nano-scale copper oxide) and high-density polyethylene resin (HDPE100) prepared in step ① are extruded together into a pipe, which is the inner layer 1;

[0040] ③The composite polyester monofilament is wound ...

Embodiment 2

[0044] The steps of the method for producing reinforced thermoplastic pipes are as follows:

[0045] It is basically the same as Example 1, and its difference is: the nanometer material of step 1. uses the silicon dioxide of particle diameter 10~80nm instead; Use metal powder; step ③ is carried out as follows: twist the rope made of composite polyester monofilament, use a winding machine to spirally wind three layers on the surface of the inner layer 1 to form the middle layer 2 composite polyester fiber layer.

Embodiment 3

[0047] The steps of the method for producing reinforced thermoplastic pipes are as follows:

[0048] It is basically the same as Example 1, and its difference is: the nanometer material of step 1. uses the zinc oxide of particle size 10~80nm instead; The antistatic agent of step 2. uses graphite instead; The tape that is made uses a winding machine to wind two layers of positive and negative cross-winding on the surface of the inner layer 1 to form a middle layer 2 composite polyester fiber layer; the anti-ultraviolet agent in step 5 is replaced by nano-silica ultraviolet reflective material.

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Abstract

The invention relates to thermal plasticity plastic tubing and the manufacture method. It includes three layers structure that the inner layer is nanometer material modified high density polyethylene tubing, the middle layer is compound polyester fiber, and the outside layer is nanometer modified high density polyethylene layer. The manufacture method includes the following steps: making nanometer material modified high density polyethylene agglomerate; extruding inner layer; twisting middle compound polyester fiber layer; hot shaping and bonding middle layer compound polyester fiber layer; extruding out layer. The invention is low cost, simple method, and low energy consumption.

Description

technical field [0001] The invention relates to a reinforced thermoplastic pipe and a production method thereof. Background technique [0002] There are two types of reinforced plastic pipes. The first type is reinforced thermosetting plastic pipes, commonly known as glass steel pipes; the second type is reinforced thermoplastic pipes. The biggest disadvantage of FRP pipes is that they cannot be coiled, so laying and transportation are very inconvenient. At present, reinforced thermoplastic pipes are mainly wound with steel skeletons, perforated steel skeletons or steel wires to reinforce thermoplastic pipes (for example, polyethylene or polypropylene plastic pipes). However, such reinforced plastic pipes, due to steel and There is a large and uneven internal stress between the plastics, the reinforcement effect is not obvious, and there are still problems such as the connection, butt joint, and end sealing of the pipes. At the same time, due to the rough surface of the inn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L9/12B32B1/08B32B37/00B29D23/00
Inventor 唐允彦
Owner 常州市生富公路材料有限公司
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