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April 23,2009 | |||||
Green Technology in Construction Waterproofing |
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Better living through green chemistry has been integrated into every aspect of Andek Corporation’s approach to problem-solving, material selection, product design, and distribution operations since the company’s inception in the 1970’s. The principle of using low toxicity materials began when most waterproof coatings manufacturers were using asbestos, lead, mercury, and many toxic chemicals as ingredients. Andek Corporation implemented “green chemistry” guidelines in formulation design as part of a corporate culture to integrate sustainable technology with environmental responsibility. Waterproof coatings in their earliest forms had very high volatile organic compound (V.O.C.) contents. This often consisted of the majority of the volume of the product and was essential to get the coating to a viscosity low enough for application. Andek Corporation realized that incorporating vast quantities of ingredients designed to be released into the air was not just unhealthy but was wasteful. The goal of formulating high solids, low emission products was tied to the concept that, just as trees emit turpentine, isoprene, and other volatile organic compounds into the air, a waterproof coating should emit no more V.O.C.s than a tree during its lifetime. Durability is, of course, one of the most important ingredients of sustainability. This is central to the core of green chemistry. Andek Corporation has utilized polymeric technology that incorporates hydrophobic molecular design into a stable geometry that anchors into a substrate through crosslinking. This is the process that was first discovered by adding sulfur to natural rubber latex to make very effective waterproof clothing. This essential durability prevents waste by increasing the lifespan of the product to extend the period of protection of the substrate.
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