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Preparation method of high toughness PE hollow wall twined pipe based on red mud modification

A preparation process and high toughness technology, which is applied in the direction of tubular articles, household utensils, applications, etc., to achieve the effects of environmental protection of the preparation process, improved compatibility, and excellent waterproof performance

Inactive Publication Date: 2018-12-18
徐州辛辛那提新型材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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But there is no application research on PE hollow wall winding pipe

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  • Preparation method of high toughness PE hollow wall twined pipe based on red mud modification
  • Preparation method of high toughness PE hollow wall twined pipe based on red mud modification
  • Preparation method of high toughness PE hollow wall twined pipe based on red mud modification

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with the embodiments.

[0028] The invention discloses a preparation process of a high-toughness PE hollow-wall wound pipe based on red mud modification, which comprises the following steps:

[0029] (1) By weight fraction, weigh polyethylene mixed resin, red mud powder, bisphenol A epoxy resin, modified hydroxyl silicone oil, nano zinc oxide, graphene, compatibilizer, lubricant, flame retardant , antioxidant, coupling agent, polymethacrylic acid, ethyl acetoacetate, vinyl silane coupling agent, cellulose acetate butyrate, sodium dodecylbenzenesulfonate, N-methyldiethanolamine, other additives agents and additives;

[0030] (2) Add polymethacrylic acid to ethyl acetoacetate to prepare solution A, stir with a stirrer for 2-3h, add vinyl silane coupling agent, nano-zinc oxide and graphene powder to the above-mentioned solution A in sequence, and ultrasonically 30-40min, add cellulose acetate butyrate...

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Abstract

The invention relates to a preparation process of a high toughness PE hollow wall twined pipe based on red mud modification. The process utilizes nano-zinc oxide and graphene for modification to improve the mechanical properties, toughness and rigidity of the pipe; nano-zinc oxide and graphene cooperate to form a continuous conductive path between systems, thus greatly improving the pipe conductivity; red mud is utilized for blending modification of a PE composite material, while the rigidity is improved, the PE pipe also has strong toughness, waste is turned into wealth, and the cost is greatly saved. Hydroxyl silicone oil can migrate on the PE surface and form a flame retardant layer to achieve flame retardant effect. Moreover, addition reaction can be carried out on the hydroxyl in themodified hydroxyl silicone oil and the epoxy group in a bisphenol A epoxy resin structure to enhance the crosslinking density and mechanical strength of the pipe. At the same time, hydroxyl silicone oil has low surface energy and endows the PE pipe with excellent waterproof performance. The preparation method is simple and scientific, the cost is low, the preparation process is environment-friendly, and has no pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of plastic pipe preparation technology, and relates to a preparation technology of a high-toughness PE hollow-wall winding pipe based on red mud modification. Background technique [0002] Hollow wall winding pipe is a structural wall pipe made of high-density polyethylene (HDPE) by thermal winding molding process. It has strong flexibility, smooth inner wall, small flow resistance, wear resistance and corrosion resistance. , has the characteristics of excellent high rigidity, high strength, light weight, strong impact resistance, and is not easy to break. It is suitable for municipal drainage, building outdoor drainage, buried farmland drainage, industrial sewage, and road drainage where the water temperature is below 45°C. , Sewage and waste water drainage system, sports field and square engineering drainage and electrical and telecommunications engineering, etc. [0003] Plastic pipe is an insulating mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/28C08L63/00C08L83/04C08L1/14C08L51/06C08K13/08C08K11/00C08K9/04C08K9/06C08K3/04C08K3/22C08K5/41C08K3/26B29D23/00
CPCB29D23/001C08K2003/2227C08K2003/2296C08K2003/265C08K2201/001C08K2201/011C08L23/06C08L2201/02C08L2201/04C08L2201/08C08L2203/18C08L2205/025C08L2205/035C08L2207/062C08L2207/066C08L23/286C08L63/00C08L83/04C08L1/14C08L51/06C08K13/08C08K11/005C08K9/04C08K9/06C08K3/042C08K3/22C08K5/41C08K3/26
Inventor 孔少云
Owner 徐州辛辛那提新型材料有限公司
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