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Pipeline of composing metal with polypropene

A composite pipe and polypropylene technology, which is applied in the field of graft modification of polypropylene materials, can solve the problem that the interface is not easy to be firmly composited, and achieve reliable performance.

Inactive Publication Date: 2007-09-19
甘国工
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the above deficiencies and provide a metal-composite plastic pipe that can solve the technical problem that the interface between metal and polypropylene is not easy to be firmly combined into one, and can be connected reliably and conveniently.

Method used

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  • Pipeline of composing metal with polypropene
  • Pipeline of composing metal with polypropene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Fig. 1 has provided the figure of embodiment 1 of the present invention. Referring to Fig. 1, there is a cylindrical frame 2 rolled and welded by a steel plate with holes in the tee pipe fitting 1, and a polypropylene continuum 3 with polar groups passes through the hole on the cylindrical pipe frame 2 and the inner part of the cylindrical frame. , The outer surface is firmly bonded and covered to form the pipe wall. The pipe 4 has a steel plate metal cylindrical framework 5 with holes, and the polypropylene continuum 6 with polar groups passes through the cylindrical framework 5 and is firmly bonded to its inner and outer surfaces and covers it to form a pipe wall. In the pipe 7, there is a metal cylindrical frame 10 formed by welding the latitudinal steel wire 8 around the radial steel wire 9, and the polypropylene continuum 11 with polar groups passes through the hole on the metal cylindrical frame 10 and the inside, The outer surface is firmly bonded and clad to fo...

Embodiment 2

[0040] Fig. 2 has provided the figure of embodiment 2 of the present invention. Embodiment 2 is basically the same as Embodiment 1. The difference is that the metal skeleton 13 in the pipe 12 is a cylindrical skeleton in which radial steel wires are wound by weft steel wires.

[0041] The core tube with a diameter of φ200 is produced by polypropylene with polar groups in advance, and the steel wires of polypropylene coated with polar groups are wound left-handed and right-handed on the core tube to form a cross grid. The core tube is heated, and at the same time, the cross extruder is used to extrude polar polypropylene to cover the steel wire, and at the same time, the hole is filled with polar polypropylene to make it firmly bond and cover the cross steel wire, and at the same time pass through the mesh The holes in the grid are melted and connected with the inner core tube to form a composite pipe.

[0042]The helically wound steel wire can also not be left-handed and rig...

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Abstract

The invention provides a metallic polypropylene combined canal, characterized in that the canal wall of which is provided with tubular metal frame having apertures as reinforcement bodies, the grafting modified polypropylene continuum with polar group is firmly glued and coated on the frame surfaces through apertures of the tubular metallic frame on surfaces of the frame, grafting ratio of the grafting modified polypropylene is 0.12 percent to 1.5 percent. The invention solves technical problem of hard firm integral gluing of metallic and polypropylene combination.

Description

Technical field: [0001] The invention relates to the graft modification of polypropylene material, which is modified from a non-polar polymer to a polar polymer, relates to the production technology of metal and polypropylene composite pipes, and particularly relates to a metal cylinder with holes as a reinforcement Pipes and fittings made of poly-shaped skeleton and polar polypropylene material. technical background: [0002] Metal-polymer composite pipes, including pipes and pipe fittings, have many technical and patent reports, and there are also a large number of products and engineering applications in practical engineering applications. This composite pipe has become an important industry that is constantly developing and progressing. [0003] Metal pipes have high strength and low coefficient of thermal expansion, but they are not resistant to corrosion. Not only can they not transport corrosive fluids, even if they transport non-corrosive fluids, at least the surface...

Claims

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Application Information

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IPC IPC(8): F16L9/147C08F255/02B29C35/00
Inventor 甘国工
Owner 甘国工
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