Resins

Improving Coating Performance with Biobased Epoxy Resins Derived from Distilled Tall Oil

Freshly Cut Norway Pine
Biobased materials are increasingly important in the coatings industry as more companies align their sustainability goals to reduce environmental footprints and develop more eco-friendly products to meet customer needs. However, widespread adoption of biobased materials in coating applications can be challenging due to the lack of available biobased materials that are both cost-effective and performance competitive.

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Low VOC Topcoats Using Ultra High Solids Resins

In the North American coatings market, traditional solventborne resins are still used to a large extent, enabled by regulations that allow for the use of certain solvents exempt from restrictions placed on most volatile organic compounds (VOCs) in the United States. The future of the exempt status of parachlorobenzotrifluoride (PCBTF) and tertiary butyl acetate (TBAc) is a concern in certain...

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Specialty Chemicals Fundamental to Coatings Innovation

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Specialty chemicals impact the performance of products they are used to manufacture, either during processing or when in use. Whether single compounds or mixtures of chemicals, specialty chemicals exhibit unique functionality that can benefit many different types of end uses, such as biocides, or are designed for use in a particular market segment, such as paints and coatings. In 2018,...

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Accelerated Corrosion Testing for Bisphenol-A Non-Intent Metal Packaging Resin

Canned foods
Increasing awareness of environmental, health, and food safety issues, as well as increasing regulations on substances with potential health effects, are major driving forces for consumer behavioral changes. These behavioral changes propel the shift toward development of alternative products free from substances of concern. One such substance is Bisphenol-A (BPA), a chemical commonly found in the protective linings of food...

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Sustainability, Durability, and Ease of Use Drive Exterior Wood Coating Developments

Man installing wood flooring in home
Despite growing interest around the world in the use of concrete and composite materials, wood remains widely used in exterior architectural applications, including siding, decking, fencing, and similar applications. Coatings continue to play an important role in maintaining the appearance and protecting the integrity of wood. “Exterior wood has conveyed quality and beauty for centuries, but that beauty requires significant...

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From Fundamentals to Applications: Understanding BPA-Non-Intent Resin Technology in Food Contact Metal Packaging Coatings

Open can of mandarins in light syrup.
Consumer and regulatory pressure to replace bisphenol-A (BPA)-based materials in food contact metal packaging coatings has increased in recent years. Regardless of the controversy around BPA, consumers expect canned foods to be free of substances perceived to have negative health impacts while maintaining current shelf life and flavor characteristics. To address the market needs, formulators must innovate to deliver BPA-non-intent...

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Novel Metal-free Catalysts for Epoxy Carboxy Coatings

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A new class of metal-free catalysts has been developed that promotes the crosslinking reaction of epoxy functional polymers with carboxyl functional compounds and polymers. Particularly effective at much lower cure temperatures, these catalysts provide stable single package formulations and improved resistance properties. In addition, unlike amine-based compounds, these catalysts do not yellow during cure or on over-bake.

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