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Fluororesin composite material anchored by spray coating

A technology of fluororesin and composite materials, which is applied in the direction of layered products, metal layered products, chemical instruments and methods, etc. It can solve problems such as weak bonding strength, unusable carriers, cracking and peeling of fluororesin resins, etc. , to achieve the effect of improving the structural strength

Inactive Publication Date: 2013-12-18
周业投资股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the bonding strength between the fluororesin and the metal substrate is weak, the fluororesin is prone to cracks and peeling due to the deformation of the metal substrate, making the carrier unusable

Method used

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  • Fluororesin composite material anchored by spray coating
  • Fluororesin composite material anchored by spray coating
  • Fluororesin composite material anchored by spray coating

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0026] Metal body 31: carbon steel plate, the size is 200mm×50mm×2mm, and the roughness of the first rough surface 310 is ra:3.79.

[0027] Spray layer 32: Al2O3 (aluminum oxide), the coating thickness is 150 μm, and the roughness of the second rough surface 320 is ra: 3.52.

[0028] Fluorine resin layer 33: PTFE, covering thickness is 150 μm.

experiment example 2

[0030] Metal body 31 : carbon steel plate, the size is 200mm×50mm×2mm, and the roughness of the first rough surface 310 is ra:3.81.

[0031] Spray layer 32: WC (tungsten carbide), coating thickness is 150 μm, the roughness of the second rough surface 320 is ra:3.56.

[0032] Fluorine resin layer 33: PTFE, covering thickness is 150 μm.

experiment example 3

[0034] Metal body 31 : carbon steel plate, the size is 200mm×50mm×2mm, and the roughness of the first rough surface 310 is ra:3.46.

[0035] Spray layer 32: WC (tungsten carbide), the coating thickness is 150 μm, and the roughness of the second rough surface 320 is ra:3.14.

[0036] Fluororesin layer 33: PTFE, covering thickness is 300 μm.

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Abstract

A fluororesin composite material anchored by a spray coating includes a metal body, a melt spray coat and a fluororesin layer which are staked in a layered manner. The metal body has a first rough surface, the melt spray coat is formed by fixing ceramic particles and metal particles or cermet particles on the first rough surface of the metal body through hot melt spray coating and has an outward second rough surface, and the fluororesin layer is fixed on the second rough surface of the melt spray coat through coating. The melt spray layer is consolidated on the first rough surface of the metal body through high temperature spraying, the fluororesin layer is fixed and coated on the second rough surface of the melt spray layer, and the accidented structure and the apertures of the second rough surface realize the stable anchoring of the fluororesin layer, so the structural strength of the prepared fluororesin layer composite material is greatly improved.

Description

technical field [0001] The invention relates to a fluorine resin composite material, in particular to a fluorine resin composite material anchored by a spray layer. Background technique [0002] Carriers with high cleanliness and corrosion resistance on the surface have been widely used in industrial manufacturing processes to ensure that the items carried and transported will not be polluted, and at the same time prevent the carrier from being corroded by the strong acid or strong alkali solution entrained by the carrier damaged. In order to achieve the above purpose, the surface of the metal substrate of the carrier is usually coated with a layer of fluororesin, such as Teflon, which has excellent acid and alkali resistance and hydrophobicity, and improves the cleanliness of the carrier At the same time, avoid the corrosion of strong acid or strong alkali solution. However, because the bonding strength between the fluororesin and the metal substrate is weak, the fluorore...

Claims

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Application Information

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IPC IPC(8): B32B15/16B32B15/08
Inventor 周峙丞唐国梁魏嘉志
Owner 周业投资股份有限公司
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