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Zinc-rich paint containing compound phosphoric acid type single alkoxy class titanate

A technology of monoalkoxy titanate and compound phosphoric acid, used in anti-corrosion coatings, coatings, etc., can solve the problems of poor adhesion, less solvent and low wettability

Inactive Publication Date: 2015-09-23
劳启绪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based inorganic zinc-rich coatings have the advantages of no odor, non-flammable, non-explosive, and no environmental pollution due to their absence of organic solvents. When added to coatings, since zinc powder is difficult to fuse with inorganic silicate, it has low adhesion to the substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Take a container, add 400g of sodium silicate solution into the container, heat slowly, and when the temperature reaches 60°C, slowly add 400g of silicon-acrylic emulsion into the container, and stir continuously with a mixer. After cooling down to room temperature, add 60g of complex phosphoric acid type monoalkoxy titanate into the container, increase the stirring speed, then add 1000g of ultrafine zinc powder, and finally add 140g of dilute phosphoric acid to obtain a zinc-rich coating product.

Embodiment 2

[0024] Take a container, add 300g of sodium silicate solution into the container, heat slowly, and when the temperature reaches 65°C, slowly add 300g of silicon-acrylic emulsion into the container, and stir continuously with a mixer. After cooling down to room temperature, add 120g of complex phosphoric acid type monoalkoxy titanate into the container, increase the stirring speed, then add 1200g of ultrafine zinc powder, and finally add 80g of dilute phosphoric acid to obtain a zinc-rich coating product.

Embodiment 3

[0026] Take a container, add 400g of sodium silicate solution into the container, heat slowly, and when the temperature reaches 70°C, slowly add 600g of silicon-acrylic emulsion into the container, and keep stirring with a mixer. After cooling down to room temperature, add 120g of composite phosphoric acid type monoalkoxy titanate into the container, increase the stirring speed, then add 2800g of ultrafine zinc powder, and finally add 80g of dilute phosphoric acid to obtain a zinc-rich coating product.

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PUM

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Abstract

The invention relates to zinc-rich anticorrosive paint adding with a titanate coupling reagent and a preparation method thereof. The paint is formed by inorganic sodium silicate, zinc powder, auxiliary agents and the like, in the preparing process of the paint, by adding compound phosphoric acid type single alkoxy class titanate which contains various active groups and has the dispersibility of phosphate and the coupling performance of the titanate into the paint, functions of anti-sinking and adhesive force improving can be played, and therefore the high-performance zinc-rich paint is prepared.

Description

technical field [0001] The invention relates to an anti-corrosion coating and a preparation method thereof, in particular to a zinc-rich anti-corrosion coating added with a titanate coupling agent and a preparation method thereof, belonging to the field of coating processing. Background technique [0002] With the progress of material science, the use of steel is becoming more and more extensive. In 2014, the global crude steel output reached 1.662 billion tons, a year-on-year increase of 1.2%, of which China's crude steel output reached 823 million tons. However, steel is easy to corrode when it is used. During corrosion, a chemical or electrochemical multiphase reaction occurs on the interface of the metal, which turns the metal into an oxidized (ion) state. This will significantly reduce the mechanical properties of steel materials such as strength and toughness, destroy the geometry of metal components, shorten the service life of equipment, and even cause catastrophic a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/10
CPCC09D143/04C08K3/08C08K3/32C08K3/34C08K5/10C08K2003/0893C08K2003/329C09D5/106C09D7/61C09D7/63
Inventor 劳启绪
Owner 劳启绪
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