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Environment-friendly titanium-based polymer alloy anti-corrosion daub

A technology of polymer alloy and anti-corrosion cement, applied in anti-corrosion coatings, fire-proof coatings, coatings, etc., can solve problems such as flue blockage, large-scale fires, deflagration at construction sites, etc., and achieve the effect of simple construction and strong adhesion

Pending Publication Date: 2021-06-15
兰州星河石化防腐有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, equipment and facilities used in industrial wet desulfurization and denitrification methods mainly include GGH heat pipes, desulfurization towers, gas pipes, flues and chimneys, and anti-corrosion materials and methods mainly include lining epoxy (phenolic epoxy, epoxy furan, vinyl ester and other resins) FRP layer, or use epoxy or vinyl ester resin glass flake cement and paint, vitrified bricks, etc. for anti-corrosion protection, but the protective effect is not ideal
In the short period of three to five months, and in the elderly for a year or so, the protective layer will be corroded and peeled off, not only losing its protective effect, but also causing the flue to be blocked due to the accumulation of peeling off. Some use vinyl ester glass flake cement, and even lead to damage on the construction site. Deflagration, a large-scale fire broke out, and the entire desulfurization tower, flue and chimney were burned and scrapped, causing significant loss of life and property

Method used

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  • Environment-friendly titanium-based polymer alloy anti-corrosion daub

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] An environment-friendly solvent-free titanium-based polymer alloy anti-corrosion cement is prepared from the following raw materials and methods:

[0025] In parts by weight, 20 parts of Nissan YP-50S solid polyphenolic resin, 30 parts of American Angus Chemical Zoldine RD-20 bisoxazolidine, 30 parts of 3-aminopropyltrihydroxysilane, 15 parts of W52-3TPI copolymer, 6 parts of Bayer D670 solvent-free elastic polyester resin, 15 parts of 100 mesh silicon carbide, 25 parts of 100 mesh glass flakes, 15 parts of 2~3mm glass fiber short fiber, 10~15 parts of 1250 mesh mica powder, FR-0516 wetting and dispersing agent 0.5 parts, BYK-052 defoamer 0.5 parts, Wanhua TH-100 aliphatic solvent-free polyisocyanate HDI trimer 10 parts.

[0026] The preparation method is as follows: first, stir the solid polyphenolic oxygen resin, bisoxazolidine, and 3-aminopropyltrihydroxysilane at 60~80°C until completely dissolved, inject it into the kneader, and then add TPI copolymer, solvent-free...

Embodiment 2

[0028] An environment-friendly solvent-free titanium-based polymer alloy anti-corrosion cement is prepared from the following raw materials and methods:

[0029] In parts by weight, 15 parts of Dow Chemical YNP-40AM solid polyphenolic oxygen resin, 20 parts of ALT-202 bisoxazolidine (produced by Lake Ailite Chemical), 20 parts of 3-aminopropyltrihydroxysilane, W52- 20 parts of 3TPI copolymer, 10 parts of F1190 solvent-free elastic polyester resin (produced by Shenzhen Feiyang Junyan New Materials), 20 parts of 100 mesh quartz sand, 20 parts of 100 mesh mica flakes, 20 parts of 2~3mm aluminum silicate short fiber, 15 parts of 800 mesh barium sulfate, 0.5 parts of FR-0516 wetting and dispersing agent, 0.5 parts of BYK-052 defoamer, 10 parts of Bayer N3300 solvent-free HDI trimer curing agent.

[0030] The preparation method is as follows: first, stir the solid polyphenolic oxygen resin, bisoxazolidine, and 3-aminopropyltrihydroxysilane at 60~80°C until completely dissolved, inje...

Embodiment 3

[0032] An environment-friendly water-soluble titanium-based polymer alloy anti-corrosion cement is prepared from the following raw materials and methods:

[0033] In parts by weight, InChem company PKHW-34 polyphenolic resin emulsion 25 parts, W52-3TPI copolymer 20 parts, Guangzhou Star Chemical EM-107 water-soluble elastic polyurethane dispersion resin 10 parts, 100 mesh silicon carbide 20 parts, 100 parts 20 parts of glass flakes, 15 parts of 2~3mm glass short fiber, 15 parts of 1250 mesh mica powder, 1 part of FR-0218 water-soluble wetting and dispersing agent, 0.5 parts of BYK-018 defoamer, 20 parts of purified water, Bayer XP2655 10 parts of closed HDI trimer curing agent.

[0034] The preparation method is as follows: first polyphenol oxygen resin emulsion, TPI copolymer, water-soluble elastic polyurethane dispersion resin, silicon carbide, glass flakes, short glass fiber, mica powder, water-based wetting and dispersing agent, defoaming agent, purified water, Add it into ...

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Abstract

The invention provides environment-friendly titanium-based polymer alloy anti-corrosion daub. The daub comprises solvent-free titanium-based polymer alloy anti-corrosion daub and water-soluble titanium-based polymer alloy anti-corrosion daub, belonging to the technical field of novel anti-corrosion materials. The environment-friendly titanium-based polymer alloy anti-corrosion daub consists of a titanium-based polymer alloy copolymer, an auxiliary film-forming matter, an anti-corrosion and wear-resistant filler, a chemical additive, a reactive diluent or purified water and an independent curing agent, and has the characteristics of strong adhesive force, temperature change resistance, wear resistance, corrosion resistance, no pulverization, no cracking and no shedding; construction is easy and convenient, no toxicity or odor exists, flammable and explosive risks do not exist, and safety and environment friendliness are achieved; compared with glass fiber reinforced plastics, layer-by-layer cloth sticking is not needed for the daub; and compared with a vitrified brick, seamless connection and overall protection are achieved, and particularly, acid corrosion in a high-temperature-resistant environment is achieved, and the economic life exceeds 5 years.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion new materials, and relates to an environment-friendly titanium-based high-molecular alloy anti-corrosion cement, including a solvent-free titanium-based high-molecular alloy anti-corrosion cement and a water-soluble titanium-based high-molecular alloy anti-corrosion cement. Background technique [0002] There are currently two methods for industrial flue gas desulfurization and denitrification technology: one is the liquid ammonia desulfurization and denitrification method used in the coal chemical industry, and the other is the calcium oxide desulfurization and denitrification method used in the petrochemical, thermoelectric, and metallurgical industries. These two methods belong to wet desulfurization and denitrification. The resulting high-temperature acidic corrosion environment has a huge impact on the corrosion hazards and economic losses of equipment and facilities. Tens of millions o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/08C09D171/12C09D175/04C09D5/08C09D5/00
CPCC09D179/08C09D5/08C09D5/18C08L2205/035C08L2201/08C08L71/12C08L75/04
Inventor 刘平岑日强张驰
Owner 兰州星河石化防腐有限公司
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