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Water-based steel structure anticorrosion aqueous dispersion coating and preparation method and application thereof

A steel structure and dispersion technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as poor physical and chemical properties, limited construction conditions, and unsatisfactory service life

Active Publication Date: 2017-08-01
上海新健利新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the main technical routes of water dispersion polymers: water dilution, water emulsification, hybrid modification, etc., most of them are prepared by salt formation and emulsification (organic emulsifier). The disadvantages are poor physical and chemical properties, and the construction conditions are affected. Limitation, unsatisfactory coating film quality, unsatisfactory service life, etc., affect the popularization and application of water dispersion anti-corrosion coatings

Method used

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  • Water-based steel structure anticorrosion aqueous dispersion coating and preparation method and application thereof
  • Water-based steel structure anticorrosion aqueous dispersion coating and preparation method and application thereof
  • Water-based steel structure anticorrosion aqueous dispersion coating and preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0088] The preparation of embodiment 1 modified nano water dispersion polymer emulsion

[0089] 1. Raw material

[0090] Modified nano-microcrystalline kaolinite, provided by Zhejiang Fenghong Clay Co., Ltd.; xanthan gum, provided by Shanghai Liqi Chemical Auxiliary Co., Ltd.; citric acid, provided by Wujiang Weibo Chemical Technology Co., Ltd.; methyl methacrylate Ester, styrene, butyl acrylate, 2-ethylhexyl acrylate, acrylic acid, methacrylic acid, provided by Shanghai Acrylic Chemical Co., Ltd.; phosphate methacrylate, TM-200 double bond-containing dicarboxylic compound, TM -50 Double-end esters containing double bonds are provided by Shanghai Zhongcheng Fine Chemical Co., Ltd.; organosiloxane QD-13 and QD-15 are provided by Shanghai Qida Industry and Trade Company; potassium persulfate and ammonium persulfate are provided by Shanghai Provided by Shijian Industrial Co., Ltd.; sodium bicarbonate, supplied by Changzhou Hengrun Chemical Co., Ltd.

[0091] Provided, AP-95 and...

Embodiment 2

[0123] Example 2: Preparation and performance testing of water-based steel structure anti-corrosion aqueous dispersion coating

[0124] 1. Raw material

[0125] Wetting and dispersing agents (BYK-199, BYK-187), rheological agents (BYK-184, AQUATlX 8421), defoamers (BYK-025, BYK-1610), from BYK Chemical Technology Consulting (Shanghai) Co., Ltd. Provided; propylene glycol butyl ether, propylene glycol, provided by Shanghai Chemical Reagent Company; antirust agent (SAB), provided by Nuocheng Chemical Industry Co., Ltd.; L10 environment-friendly antirust agent, provided by Shanghai Lika Environmental Technology Co., Ltd.; JRL- 103 steel passivation agent, provided by Shanghai Songhang Trade Development Co., Ltd.; JA-589 antirust agent, provided by Changsha Jinao Company; preservatives (K10Sa, A2W, DB305, B 20, lTH2), provided by Shanghai Chaoling Trade Co., Ltd.; water-based UV absorber, provided by Shanghai Anhui Chemical; anti-rust pigment (TP-30 aluminum tripolyphosphate, S-8...

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Abstract

The invention provides a water-based steel structure anticorrosion aqueous dispersion coating and a preparation method and application thereof. The water-based steel structure anticorrosion aqueous dispersion coating comprises components: deionized water, an auxiliary, an anti-rust agent, a anti-rust pigment, a pigment filler, modified nano aqueous dispersion polymer emulsion, color paste, antifoaming agent and the like. The water-based steel structure anticorrosion aqueous dispersion coating provided by the invention is non-toxic, tasteless and odorless, has no irritation, is high in stability, is less affected by the construction environment, can adapt to construction of different special-shaped steel structures, and can adapt to different forms of coating equipment; the coating can be applied on a structure with a low surface treatment level St1, a moisture base surface, a slightly rust layer and a structural fundamental plane with a firm old coating, is high in coating adhesion and good in anti-rust performance, has excellent salt fog resistance and weather resistance, reaches or exceeds main technical performance indexes of a general solvent-type anticorrosion coating, and has a long-acting service life.

Description

technical field [0001] The invention relates to the field of chemical anti-corrosion, in particular to a novel high-performance low-surface-treatment steel structure anti-corrosion aqueous dispersion coating, and in particular to a water-based steel structure anti-corrosion aqueous dispersion coating and its preparation method and application. Background technique [0002] Because the VOC of traditional solvent-based coatings produces serious pollution in the atmosphere, the volatilized VOC in the production and application of anti-corrosion coatings attaches great importance to the pollution of the atmosphere. Countries all over the world have issued a series of regulations to protect the environment. [0003] With the development of petrochemical and polymer technology, the emergence of various new materials and new technologies, and the requirements of environmental protection and ecological progress, water-based coatings, high-solid coatings, powder coatings and nano-coat...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F212/08C08F220/18C08F220/28C08F220/32C08F230/02C08F220/06C08K9/00C08K3/34C08K5/092C08K5/053C09D133/12C09D5/08C09D7/12
CPCC08F220/14C08K3/34C08K3/346C08K5/053C08K5/092C08K9/00C09D5/084C09D133/12C09D7/61C09D7/62C08F212/08C08F220/1804C08F220/281C08F220/325C08F230/02C08F220/06
Inventor 朱明英
Owner 上海新健利新材料科技有限公司
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