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Plastic composite oil pipeline

An oil pipeline and plastic technology, applied in the field of fluid transportation and oil pipeline, can solve the problems of damage, decline in pipeline pressure resistance, leakage, etc., and achieve the effect of good leakage performance.

Inactive Publication Date: 2012-07-04
福建亚通新材料科技股份有限公司
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Problems solved by technology

[0002] At present, ordinary polyethylene pipes have been widely used all over the world, mainly in the fields of water supply, drainage, and gas transmission. However, in the field of oil transportation, if ordinary polyethylene pipes are used, swelling will occur, resulting in a decrease in the pressure resistance of the pipes. Or partially damaged, unable to play the role of blocking oil leakage, resulting in major oil leakage pollution accidents

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Embodiment Construction

[0007] The plastic composite oil delivery pipe of the present invention is composed of a five-layer structure, the outer layer 1 is a polyethylene resin layer, the middle layer 2 is an adhesive resin layer, the middle layer 3 is a nylon resin layer, and the middle layer 4 is an adhesive resin layer. The inner layer 5 is a polyethylene resin layer.

[0008] The material of the adhesive resin layer is polyethylene polymer modified by maleic anhydride and tackifying resin. The polymer has been widely used in the production of PA / EVOH, HDPE / PA and other high-barrier plastic bottles and pesticide bottles. It can provide strong adhesion and adhesion durability between layers.

[0009] The middle layer of the present invention adopts nylon resin, nylon resin is also called PA, which can withstand various strong acids and most organic solvents such as 70% ethanol and dichloromethane, and has stable chemical properties, so it can prevent oil from leaking out of the pipeline, It is su...

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Abstract

The invention relates to a plastic composite oil pipeline, which comprises five layers, wherein the inner layer and the outer layer are polyvinyl resin layers, and the intermediate layers comprise a bonding resin layer, a nylon resin layer and a bonding resin layer, wherein each bonding resin layer is prepared from a polyvinyl polymer modified by maleic anhydride and tackifying resin. Compared with the common polyvinyl pipeline, the plastic composite oil pipeline has good performance of preventing oil leakage.

Description

technical field [0001] The invention relates to a fluid conveying technology, in particular to an oil delivery pipe, especially a plastic composite oil delivery pipe. Background technique [0002] At present, ordinary polyethylene pipes have been widely used all over the world, mainly in the fields of water supply, drainage, and gas transmission. However, in the field of oil transportation, if ordinary polyethylene pipes are used, swelling will occur, resulting in a decrease in the pressure resistance of the pipes. Or local damage, unable to play the role of blocking oil leakage, resulting in major oil leakage pollution accidents. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above technologies, and provide a plastic composite oil delivery pipe that can block oil leakage. [0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows. The plastic composi...

Claims

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Application Information

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IPC IPC(8): F16L9/12
Inventor 陈鹊许盛光吴林江陈黎星吴亚平陈建福
Owner 福建亚通新材料科技股份有限公司
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