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Environmentally Friendly Protective Coating System Using Water-Borne Fluoropolymer TopCoat

Environmentally Friendly Protective Coating System Using Water-Borne Fluoropolymer TopCoat
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In recent years, many tall and large-scale structures have been constructed under harsh environmental conditions. It is required to protect steel structures from a variety of environmental factors over a long period of time. In order to meet such requirements, the increase in durability, extension of lifetime and reduction in life-cycle cost of protective coatings has constantly been the subject of investigations. 

Product Number: 51217-054-SG
Author: Tsuyoshi Matsumotoa, Kenichiro Yamauchia , Naoki Yabumia, Tsuyoshi Miyashitaa , Hiroyuki Tanabeb
Publication Date: 2017
Industry: Coatings
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$20.00
$20.00

In recent years, many tall and large-scale structures have been constructed under harsh environmental conditions. It is required to protect steel structures from a variety of environmental factors over a long period of time. In order to meet such requirements, the increase in durability, extension of lifetime and reduction in life-cycle cost of protective coatings has constantly been the subject of investigations. Solvent borne (S/B) fluoropolymer topcoat which has the chemical structure FEVE (fluoroethylene vinyl ether) was developed in Japan in 1983 and applied in great quantity for large-scale constructions such as governmental projects.1)-8) Several years ago, water based (W/B) FEVE fluoropolymer paints and its systems were developed in order to meet the environmental requirements. Recently, for the purpose of the maintenance and conservation of the global environment, it has been demanded to control the emission of certain volatile organic solvents (VOCs; Volatile Organic Compounds) which are considered to be one of the causes of photochemical smog and/or global warming. To address this requirement, efforts have been made to reduce the amount in VOC contained in coatings. In this paper, weathering performance and some track records of both the solvent borne fluoropolymer topcoat and the newly developed water borne (W/B) fluoropolymer topcoat systems are discussed, comparing the performances against each other.

In recent years, many tall and large-scale structures have been constructed under harsh environmental conditions. It is required to protect steel structures from a variety of environmental factors over a long period of time. In order to meet such requirements, the increase in durability, extension of lifetime and reduction in life-cycle cost of protective coatings has constantly been the subject of investigations. Solvent borne (S/B) fluoropolymer topcoat which has the chemical structure FEVE (fluoroethylene vinyl ether) was developed in Japan in 1983 and applied in great quantity for large-scale constructions such as governmental projects.1)-8) Several years ago, water based (W/B) FEVE fluoropolymer paints and its systems were developed in order to meet the environmental requirements. Recently, for the purpose of the maintenance and conservation of the global environment, it has been demanded to control the emission of certain volatile organic solvents (VOCs; Volatile Organic Compounds) which are considered to be one of the causes of photochemical smog and/or global warming. To address this requirement, efforts have been made to reduce the amount in VOC contained in coatings. In this paper, weathering performance and some track records of both the solvent borne fluoropolymer topcoat and the newly developed water borne (W/B) fluoropolymer topcoat systems are discussed, comparing the performances against each other.

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