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A kind of epoxy anticorrosion coating modified by chlorine-containing polymer and preparation method thereof

A technology of epoxy anti-corrosion coatings and polymers, which is applied in the direction of anti-corrosion coatings, epoxy resin coatings, coatings, etc., to achieve the effects of improved stability, good impact resistance and simple process

Active Publication Date: 2015-12-30
山东滨州嘉源环保有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this production process route is more environmentally friendly, there are still about 1% of by-products such as high boilers and oligomers produced during the production process.

Method used

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  • A kind of epoxy anticorrosion coating modified by chlorine-containing polymer and preparation method thereof
  • A kind of epoxy anticorrosion coating modified by chlorine-containing polymer and preparation method thereof
  • A kind of epoxy anticorrosion coating modified by chlorine-containing polymer and preparation method thereof

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Experimental program
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preparation example Construction

[0048] The preparation of the chlorine-containing polymer used in the embodiment: first use acetylene as raw material to produce the waste liquid of trichlorethylene to carry out low-temperature distillation at 55oC, nitrogen purging removes volatile matter, the low-temperature distillate obtained is carried out high-temperature distillation at 180oC, removes High-temperature distillate, keep the residual components, that is.

[0049] Various auxiliary agents used in the embodiment are commercially purchased. DMP-30 (K-54) tertiary amine curing accelerator, Changzhou Yijia New Material Technology Co., Ltd. Silicone defoamer, Jinan Guobang Chemical Co., Ltd. anionic surfactant Elementis FA601 dispersant, Xiamen Kangdilong Trading Co., Ltd. Polyether modified polydimethylsiloxane leveling agent BYK-331, Dongguan Heli Chemical Trading Co., Ltd. Silane coupling agent KH-550 is available from Guangzhou Daoer Chemical Co., Ltd.

Embodiment 1

[0051] 35 parts of E51 type epoxy resin, 15 parts of chlorine-containing polymer, 20 parts of functional filler (1:1:1 mass ratio combination of sericite powder, talc powder and barium sulfate), 12 parts of anti-rust pigment mica iron oxide , through grinding, high-speed dispersion, and filtration to obtain the main component of the resin;

[0052] Mix 15 parts of cashew nut shell oil modified amine as a crosslinking agent and 2 parts of auxiliary agent to obtain the curing agent component. The auxiliary agent is the following combination: 0.5 part of DMP-30 (K-54) tertiary amine curing accelerator, silicone Foaming agent 0.2 parts, anionic surfactant Elementis FA601 dispersant 0.5 parts, polyether modified polydimethylsiloxane leveling agent BYK-331, 0.3 parts; silane coupling agent KH-550, 0.5 parts .

[0053] Mix the resin main agent and curing agent in a ratio of 10:1, and add 30wt% diluent cardanol glycidyl ether, and spray or brush it on the surface of the substrate to ...

Embodiment 2

[0055] 45 parts of low-molecular epoxy resin, 15 parts of chlorine-containing polymer, 15 parts of functional filler (1:1.5:1 mass ratio combination of sericite powder, talc powder, and barium sulfate), 10 parts of anti-rust pigment micaceous iron oxide , through grinding, high-speed dispersion, and filtration to obtain the resin main component; 12 parts of the cross-linking agent cashew nut shell oil modified amine, and 3 parts of auxiliary agents (the composition ratio is the same as that of Example 1) were mixed evenly to obtain the curing agent component. Mix the resin main agent and curing agent in a ratio of 9:1, and the spraying method is the same as that in Example 1.

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Abstract

The invention relates to an epoxy anticorrosive paint modified by polymer containing chlorine and a preparation method of the epoxy anticorrosive paint. The epoxy anticorrosive paint comprises a resin host and a curing agent at a weight ratio of (6-12):1, wherein the raw materials of the resin host include low molecular epoxy resin, the polymer containing chlorine, functional filler and anti-rust pigments. When in use, the epoxy anticorrosive paint is added with proper amount of diluent, then is sprayed or coated on the surface of a substrate to be coated in 8 hours; the coating of the paint has good adhesive force, shock strength, resistance to acid and base, and salt tolerance. The epoxy anticorrosive paint can be widely used in fields like petrochemical engineering, offshore oil drilling platforms, cross-sea bridges, sea water desalting plants, ocean transportation and power generation equipment.

Description

technical field [0001] The invention relates to an epoxy anticorrosion coating modified by a chlorine-containing polymer and a preparation method thereof, belonging to the technical field of waste utilization and anticorrosion coatings. Background technique [0002] Steel is the most widely used metal in human life. However, steel products will be corroded to varying degrees in different environments, and the economic losses caused by corrosion are extremely serious. Steel products used in different environments should be coated with corresponding anti-corrosion coatings in order to prolong the service life of equipment, materials and buildings. Existing anticorrosion coatings for iron and steel mainly include epoxy resins, polyurethanes, polyesters, chlorinated rubbers, etc., among which epoxy resins are more commonly used base materials for heavy anticorrosion coatings. Epoxy resin is a thermosetting resin containing two or more epoxy groups per molecule on average. Ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D127/04C09D7/12C09D5/08
Inventor 李晓光戴平吴伟何林钰韩乾闫绍青
Owner 山东滨州嘉源环保有限责任公司