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Researchers Create a Toxin-Free Wood Adhesive from Soy

Published on 2010-10-19. Author : SpecialChem

In the 240th National Meeting of the American Chemical Society (ACS), the team of researchers from U.S. Department of Agriculture (USDA) announced that they have found a way to produce composite products without use of formaldehyde. A natural compound found in tofu and soy milk will be used to make safe wood adhesive. The team informed that they've developed a soy-based green alternative to current wood adhesives which are made from petroleum.

Many wood products used today are composed of wood pieces bonded bonded together with petroleum-based adhesives, which are often full of chemical formaldehyde which is harmful for the health. The new plant based glue works as good as the usual formaldehyde-loaded adhesives but will lead to new age of eco-friendly furnitures.

Charles Frihart, a Research Chemist at USDA states that the Petrochemical-based adhesives replaced proteins in most applications based upon cost, production efficiencies, and better durability. However, several technologies and environmental factors have led to a resurgence of protein, especially soy flour, as an important adhesive for interior plywood and wood flooring. He also explained the reasons for shifting to soy adhesives, mainly the health and moreover the soy flour is cheaper and sustainable in comparison to petroleum-based glues. He also stated that the USDA researchers tried a variety of these soy glues on wood samples under harsh conditions, including exposure to water and extremely high temperatures.

Sources: Specialchem Editorial Team
Based on the information displayed on http://www.naturalnews.com/030094_soy_adhesives.html

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