Corrosion resistant ultraviolet (UV) curing paint for oil steel pipe and preparation method thereof

A technology for petroleum steel pipes and monomers, applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve problems such as difficult coating, poor adhesion of UV paint, and reduced metal surface energy, and meet anti-corrosion requirements and durability Good humidity and heat resistance, good wear resistance

Inactive Publication Date: 2012-10-31
CHINA IRON & STEEL RES INST GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general, when UV paint is applied to the surface of steel for surface anti-corrosion function, due to the presence of an oxide film on the metal surface, the surface energy of the metal is reduced, the adhesion of UV paint is poor, and the coating is difficult.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An anti-corrosion UV paint for petroleum steel pipes according to the present invention, the composition and weight ratio of the paint are: aliphatic polyurethane acrylate (Ubicil EB245) 15%, modified epoxy acrylate (BASF EA81) 18% , Modified polyester acrylate (BASF LR8793) 15%, monofunctional monomer (IBOA) 17%, difunctional monomer (HDDA) 15%, multifunctional monomer 2.5% (TMPTA), wear-resistant agent (Aojiasu NAT1) 8%, photoinitiator (184) 8%, leveling agent (TEGO Glide100) 0.5%, defoamer (BYK088) 0.5%, anti-settling agent (BYK1790) 0.5%.

Embodiment 2

[0028] An anti-corrosion UV paint for petroleum steel pipes according to the present invention, the composition and weight ratio of the paint are: aliphatic polyurethane acrylate (BASF LR8987) 10%, modified epoxy acrylate (Dow UVR6105) 15%, Modified polyester acrylate (Ubicil EB830) 20%, monofunctional monomer (POEA) 20%, difunctional monomer (DPGDA) 10%, multifunctional monomer (DPHA) 5%, wear-resistant Agent (Aojiasu NAT1) 10%, photoinitiator (1173, 369) 8%, leveling agent (TEGO Glide100) 1%, defoamer (BYK088) 0.5%, anti-settling agent (BYK1790) 0.5%,.

Embodiment 3

[0030] An anti-corrosion UV paint for petroleum steel pipes according to the present invention, the composition and weight ratio of the paint are: aliphatic polyurethane acrylate (Ubicil EB245) 10%, modified epoxy acrylate (Ubicil EB639) 20%, modified polyester acrylate (BASF LR8799) 20%, monofunctional monomer (THFFA) 25%, bifunctional monomer (TPGDA) 8%, polyfunctional monomer (DPHA) 5%, resistance Grinding agent (Aojiasu NAT1) 5%, photoinitiator (BP, 184) 5.5%, leveling agent (TEGO Glide100) 0.5%, defoamer (BYK088) 0.5%, anti-settling agent (BYK1790) 0.5%.

[0031] During coating construction, the coatings described in the above embodiments may be properly heated according to the actual situation, so as to facilitate the control of film thickness.

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Abstract

The invention belongs to the technical field of corrosion resistant paint, and particularly relate to corrosion resistant UV curing paint for an oil steel pipe and a preparation method thereof. The UV curing paint comprises, by mass, 10%-30% of aliphatic polyurethane acrylate, 5%-20% of modified epoxy acrylate, 10%-30% of polyester acrylate, 20%-40% of monofunctional monomer, 8%-20% of bifunctional monomer, 2%-15% of multifunctional monomer, 5%-20% of abrarsion resistant agent, 2%-8% of photoinitiator, 0.1%-1% of leveling agent, 0.2%-2% of defoaming agent and 0.1%-1% of anti-settling agent. The UV curing paint has the advantages that the corrosion resistant coating efficiency and surface corrosion resistance of steel products are improved; the producing process is simple; a formed paint film has good adhesion, abrasion resistance, salt spray resistance and humidity resistance; and the UV curing paint can be applied to the steel products and is suitable for a plurality of coating modes such as spray coating and curtain coating.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion coatings, and in particular relates to an anti-corrosion UV paint for petroleum steel pipes and a preparation method thereof. Background technique [0002] Petroleum steel pipes occupy an important position in the petroleum industry, not only in terms of huge output, but more importantly, the quality and performance of steel pipes are of great importance to the development of the petroleum industry. Petroleum steel pipes mainly include oil well pipes (drill pipes, drill collars, casings, oil pipes, etc.) and paint delivery pipes. In general, compared with the surface treatment of ordinary steel pipes, the surface treatment of petroleum steel pipes, especially the task of anti-corrosion, is more difficult. The main reasons are as follows: On the one hand, due to the huge annual output of petroleum steel pipes, some may face the need for long-term storage, and some It may need to go through ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/00C09D167/06C09D5/08
Inventor 张波邵风雷韩宝云王金飞
Owner CHINA IRON & STEEL RES INST GRP
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