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Coating composition

A composition and coating technology, applied in epoxy resin coatings, coatings, building materials, etc., can solve problems such as toxicity, high viscosity, and lack of flexibility

Inactive Publication Date: 2016-04-13
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, phenol-blocked isocyanates are generally viscous and do not offer flexibility at low temperatures
In addition, the use of nonylphenol has been restricted due to its toxicity to humans and the environment

Method used

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  • Coating composition
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Examples

Experimental program
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example

[0045] Boards using epoxy prepolymer formulations, epoxy silane hybrid formulations, epoxy thiol acrylate formulations, and epoxy amine acrylate formulations were prepared according to Examples 1 to 7 and Comparative Example 8 below. The formulation was mixed using a FlackTek mixer at 800 rpm for 0.5 minutes followed by 1600 rpm for 2 minutes to form a mixture. The mixture was then centrifuged at 2500 rpm for 5 minutes, poured into molds to form samples, which were cured to form plaques.

[0046] After preparation, Examples 1 and 2 below were quickly poured into open molds at 25°C and allowed to cure for 24 hours to obtain plaques. First, the first and second parts of the following Examples 3 to 7 and Comparative Example 8 were each separately mixed in a double asymmetric centrifugal mixer at room temperature. The first and second parts of Examples 3 to 7 and Comparative Example 8 were then mixed and quickly poured into open molds at room temperature and atmospheric pressure ...

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Abstract

A flooring coating composition includes a coating agent that is a reaction product of an epoxy based formulation, the epoxy based formulation being at least one of an epoxy prepolymer formulation, an epoxy-silane hybrid formulation, and an epoxy thiol acrylate formulation. The coating agent in a cured state exhibits a first tan delta peak between a first temperature range of 75 DEG C to 0 DEG C and a second tan delta peak between a second temperature range of 20 DEG C and 75 DEG C, according to a tan delta plot over a range of temperatures. A value of the first tan delta peak and a value of the second tan delta peak each represents a ratio of a loss modulus of the coating agent and a storage modulus of the coating agent at a specific temperature within the range of temperatures, as measured according to dynamic mechanical thermal analysis. The values of the first and the second tan delta peaks are from 0.10 to 0.80.

Description

technical field [0001] Embodiments relate to floor coating compositions comprising a coating agent that is the reaction product of an epoxy-based formulation, the epoxy-based formulation being an epoxy prepolymer formulation, an epoxysilane hybrid formulation , epoxy thiol acrylate formulations, and epoxy amine acrylate formulations. Background technique [0002] Forming a multi-layer floor structure includes laying down multiple layers on a base substrate, such as those of epoxy layers, polyurethane layers, floor plies, and other floor coatings. Multi-layer floor structures can be used in car parks, as chemically resistant floors in industrial buildings, as secondary seals for groundwater protection, bridging gaps, motorways, etc. Each of the layers can impart a different function to the multilayer floor structure such as one of: providing adhesion to the underlying substrate, providing the ability to bridge cracks originating below the bottom surface, providing chemical r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G59/06C08G59/50C09D163/00
CPCC08G59/066C08G59/50C09D163/00C08L63/00C08L75/16E04C2/24E04C2/26E04C2/50
Inventor V·S·明尼甘迪M·普法尔赫尔E-M·米卡斯基K·R·亚卡拉纳姆W·H·希斯K·常R·H·图拉克伊亚L·法尔沙雷拉A·C·科尔森
Owner DOW GLOBAL TECH LLC