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Creating More Sustainable Industrial Coatings: Driving VOCs of High Performance Waterborne Direct-to-Metal Coatings Below 50 g/L

Creating More Sustainable Industrial Coatings: Driving VOCs of High Performance Waterborne Direct-to-Metal Coatings Below 50 g/L
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Lowering the volatile organic content (VOC) of industrial coatings has become a requirement in many reformulation and new coating development efforts, oftentimes in order to meet increasingly strict regulations. Driving VOC to lower levels and performance to higher levels can also offer a more sustainable coatings solution for the end-user. Lowering VOC and maintaining (or improving upon) high performance is often the goal when developing a new formulation, but the two objectives can be at odds with each other. 

Product Number: 41215-923-SG
Author: Bridget Dombroski, Mary Kate McCrea, Leo J. Procopio
Publication Date: 2015
Industries: Coatings , Coatings and Linings
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$20.00
$20.00

Lowering the volatile organic content (VOC) of industrial coatings has become a requirement in many reformulation and new coating development efforts, oftentimes in order to meet increasingly strict regulations. Driving VOC to lower levels and performance to higher levels can also offer a more sustainable coatings solution for the end-user. Lowering VOC and maintaining (or improving upon) high performance is often the goal when developing a new formulation, but the two objectives can be at odds with each other. For waterborne acrylic direct-to-metal (DTM) finishes and primers, the challenge is to lower VOC while maintaining film hardness and good film formation. Hardness affects film properties such as block, print, and dirt pickup resistance, while film formation is critical for latex coatings because it strongly influences barrier properties, i.e., corrosion resistance. The industry is now searching for acrylic resins which can be formulated below 50 g/L VOC, and yet have excellent hardness, corrosion resistance and durability properties. This presentation introduces a new self-crosslinking acrylic technology for use in industrial DTM coatings which can deliver these desirable properties in a single binder. The unique balance of properties for coatings based on the new binder will facilitate its use in light and medium duty service environments for the protection of steel, other metals, and concrete. Performance in corrosion resistant DTM finishes under 50 g/L and for the protection of steel will be described, including a comparison with currently available commercial technologies.

Lowering the volatile organic content (VOC) of industrial coatings has become a requirement in many reformulation and new coating development efforts, oftentimes in order to meet increasingly strict regulations. Driving VOC to lower levels and performance to higher levels can also offer a more sustainable coatings solution for the end-user. Lowering VOC and maintaining (or improving upon) high performance is often the goal when developing a new formulation, but the two objectives can be at odds with each other. For waterborne acrylic direct-to-metal (DTM) finishes and primers, the challenge is to lower VOC while maintaining film hardness and good film formation. Hardness affects film properties such as block, print, and dirt pickup resistance, while film formation is critical for latex coatings because it strongly influences barrier properties, i.e., corrosion resistance. The industry is now searching for acrylic resins which can be formulated below 50 g/L VOC, and yet have excellent hardness, corrosion resistance and durability properties. This presentation introduces a new self-crosslinking acrylic technology for use in industrial DTM coatings which can deliver these desirable properties in a single binder. The unique balance of properties for coatings based on the new binder will facilitate its use in light and medium duty service environments for the protection of steel, other metals, and concrete. Performance in corrosion resistant DTM finishes under 50 g/L and for the protection of steel will be described, including a comparison with currently available commercial technologies.

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