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Water-based acrylate composition as well as coating and preparation method thereof

A technology of water-based acrylate and methyl methacrylate, applied in anti-corrosion coatings, coatings, etc.

Pending Publication Date: 2020-09-01
ETERNAL CHEM (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, water-based acrylic coatings have many advantages such as good optical rotation resistance, etc., and are most commonly used, but there is still room for improvement in their corrosion resistance and water resistance.

Method used

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  • Water-based acrylate composition as well as coating and preparation method thereof
  • Water-based acrylate composition as well as coating and preparation method thereof
  • Water-based acrylate composition as well as coating and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0045] The preparation of embodiment 1 aqueous acrylate composition

[0046] (1) Prepare emulsifier solution, polymerizable compound solution, first initiator solution, second initiator solution and crosslinkable compound solution

[0047] Take deionized water and the first emulsifier to prepare emulsifier solution.

[0048] Take deionized water, emulsifier (comprising first emulsifier, second emulsifier, third emulsifier), methyl methacrylate monomer and low glass transition temperature polymerizable compound (comprising second acrylate monomer and and / or a third acrylate monomer) formulated as a solution of a polymerizable compound.

[0049] Take deionized water and the first initiator to prepare the first initiator solution.

[0050] Take deionized water and the second initiator to prepare the second initiator solution.

[0051] Take deionized water and cross-linkable compound to prepare a cross-linkable compound solution.

[0052] (2) Add polymerizable compound solutio...

Embodiment 2

[0058] Embodiment 2 According to the coating formula of following table 2, prepare coating.

[0059] Table 2: Coating Test Formulations

[0060] composition content(%) The aqueous acrylate composition of embodiment 1 46 solvent 14 Auxiliary 6 Color / Filler 34 TOTAL 100

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Abstract

The invention relates to a water-based acrylate composition as well as a coating and a preparation method thereof. The aqueous acrylate composition comprises the following components: (A) about 0.1 wt% to about 2 wt% of a silane coupling agent; (B) about 20 wt% to about 40 wt% of methyl methacrylate; (C) about 15 wt% to about 35 wt% of a polymerizable compound having a low glass transition temperature; and (D) about 2 wt% to about 10 wt% of a crosslinkable compound. The content of each component is based on the total weight of the composition. The water-based acrylate composition disclosed bythe invention is particularly suitable for manufacturing industrial coatings with weather resistance, water resistance, corrosion resistance, bending cracking resistance and good hardness.

Description

technical field [0001] The present application relates to a water-based acrylate composition, in particular to a water-based acrylate composition that can be used for industrial coatings, its coating and its preparation method. Background technique [0002] Before 2016, industrial coatings, such as those used for container coating, were basically oil-based paints containing more volatile organic compounds (VOCs). However, due to the rising awareness of environmental protection in recent years, the society has begun to realize that the use of oil-based paint will generate a large amount of solvent waste gas, which not only endangers the health of spray painting workers, but also makes it difficult to avoid environmental pollution caused by solvent waste gas being discharged into the atmosphere. In addition, storing oil-based paints and solvents is also prone to fire. Therefore, the governments of various countries began to regulate the emission concentration of VOCs, and set...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/14C08F220/20C08F230/08C08F2/26C08F2/24C09D133/10C09D5/08
CPCC08F2/24C08F2/26C08F220/18C09D5/08C09D143/04
Inventor 卢彦彬梁加宏付怀东林学全
Owner ETERNAL CHEM (CHINA) CO LTD