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Carbon fiber reinforced plastic pipe and preparation process thereof

A preparation process, a technology of plastic pipes, applied in the field of plastic pipes, can solve the problems of troublesome operation and maintenance of industrial equipment, insufficient toughness and changes in toughness, and difficult processing of pipes, etc., to achieve shortened plasticization time, easy deep drawing, and remarkable durability The effect of aging ability

Inactive Publication Date: 2018-09-25
威海南海新能源材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to long-distance transportation, plastics are very brittle and have poor impact resistance, which can easily cause breakage and damage, which brings a lot of trouble to the operation and maintenance of industrial equipment.
In the prior art, due to the fact that the physical properties of plastics such as strength are revealed, the prepared plastic pipes are severely limited in their application fields due to their insufficient toughness, significant changes in toughness due to temperature changes, and poor aging resistance.
At present, while improving the toughness of plastic pipes, their thermal stability is significantly reduced, they are easy to age, and the processing of pipes is relatively difficult.

Method used

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  • Carbon fiber reinforced plastic pipe and preparation process thereof
  • Carbon fiber reinforced plastic pipe and preparation process thereof
  • Carbon fiber reinforced plastic pipe and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Prepare a carbon fiber reinforced plastic pipe, comprising the following steps:

[0027] 1) Weigh 100 parts of polyethylene resin according to the required parts by weight, 4 parts of chopped carbon fiber with a length of 6mm, 8 parts of impact modifier MBS auxiliary agent, 0.1 part of hyperbranched polyamide, 4 parts of graphene, zinc oxide 4 parts; the impact modifier is MBS, and the auxiliary agent is a terpolymer of methyl methacrylate (M), butadiene (B) and styrene (S).

[0028] 2) Put the graphene and hyperbranched polyamide weighed in step 1) into a mixer and mix them evenly, and control the temperature at 90±5°C with a stirring speed of 1500r / min and a stirring time of 15 minutes for stirring and mixing, Obtain mixture I;

[0029] 3) Add the mixture prepared in step 2) and the polyethylene resin, chopped carbon fiber, impact modifier and zinc oxide weighed in step 1) into a mixer and mix them, and control the temperature at 75±5°C With the stirring speed of 80...

Embodiment 2

[0034] Prepare a carbon fiber reinforced plastic pipe, comprising the following steps:

[0035] 1) Weigh 200 parts of polyethylene resin according to the required parts by weight, 12 parts of chopped carbon fiber with a length of 2mm, 50 parts of impact modifier ABS auxiliary agent, 12 parts of hyperbranched polyamide, 20 parts of graphene, zinc oxide 15 parts; ABS auxiliary agent is acrylonitrile-styrene-butadiene copolymer.

[0036] 2) Put the graphene and hyperbranched polyamide weighed in step 1) into a mixer and mix them evenly, and control the temperature to be 1800r / min at a stirring speed of 1800r / min under the condition of controlling the temperature at 90±5°C, and stir and mix them evenly for 20min, Obtain mixture I;

[0037] 3) Add the mixture prepared in step 2) and the polyethylene resin, chopped carbon fiber, impact modifier and zinc oxide weighed in step 1) into a mixer and mix them, and control the temperature at 75±5°C After the stirring speed is 1000r / min a...

Embodiment 3

[0042] Prepare a carbon fiber reinforced plastic pipe, comprising the following steps:

[0043] 1) Weigh 120 parts of polyethylene resin according to the required parts by weight, 5 parts of chopped carbon fiber with a length of 4 mm, 10 parts of impact modifier MBS auxiliary agent, 0.2 part of hyperbranched polyamide, 6 parts of graphene, zinc oxide 6 parts; MBS additive is a terpolymer of methyl methacrylate (M), butadiene (B) and styrene (S).

[0044] 2) Put the graphene and hyperbranched polyamide weighed in step 1) into a mixer and mix them evenly, and control the temperature at 90±5°C with a stirring speed of 1600r / min and a stirring time of 16min for stirring and mixing, Obtain mixture I;

[0045] 3) Add the mixture prepared in step 2) and the polyethylene resin, chopped carbon fiber, impact modifier and zinc oxide weighed in step 1) into a mixer and mix them, and control the temperature at 75±5°C After the stirring speed is 900r / min and the stirring time is 12min, th...

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Abstract

The invention relates to a carbon fiber reinforced plastic pipe and a preparation process thereof, solving the technical problem in the prior art that a plastic pipe has insufficient toughness and isnot resistant to aging, and the toughness changes significantly due to temperature change. The carbon fiber reinforced plastic pipe is prepared from the following raw materials in parts by weight: 100-200 parts of polyethylene resin, 4-12 parts of chopped carbon fiber, 8-50 parts of an impact modifier, 0.1-12 parts of hyperbranched polyamide, 4-20 parts of graphene, and 4-15 parts of zinc oxide. The preparation process is widely used in the field of plastic pipes.

Description

technical field [0001] The invention relates to the field of plastic pipes, in particular to a carbon fiber reinforced plastic pipe and a preparation process thereof. Background technique [0002] Plastic pipes are widely used in important areas involving the national economy and the people's livelihood, such as urban construction, agricultural production, and industrial development, such as fluid transportation, gas transportation, and wire and cable sheathing pipes. With the development of industry, plastic pipes have become an important part of the industry, used in water supply, drainage, heating, agricultural irrigation, hydraulic engineering and various industrial devices. However, due to long-distance transportation, plastics are very brittle and have poor impact resistance, which can easily cause breakage and damage, which brings a lot of trouble to the operation and maintenance of industrial equipment. In the prior art, due to the fact that the physical properties ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L77/00C08L51/04C08L55/02C08K3/04C08K3/22C08J5/04
CPCC08J5/042C08J2323/06C08J2451/04C08J2455/02C08J2477/00C08K2003/2296C08L23/06C08L77/00C08L51/04C08L55/02C08K3/04C08K3/22
Inventor 李正坤李文涛
Owner 威海南海新能源材料有限公司
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