<br/>The demand for polymer additives that are eco-friendly continues to grow. Materials generated from renewable biosources are particularly attractive as a source of new additives. They tend to be relatively modest in cost, are generally nontoxic and are independent of fluctuations in petrochemical markets. New phosphorus flame retardants derived from tartaric acid (a by-product of the wine industry), castor oil (a non-edible plant oil) and isosorbide (a diether diol from starch) have been developed. Several of these impart remarkable flame retardancy when incorporated into DGEBA resin. These materials may serve as replacements for more traditional flame retardants, particularly brominated aromatics, which are stable in the environment, tend to bioaccumulate, and may pose a risk to human health.

Flame retardants from renewable sources: Food waste, plant oils and starch

254th National Meeting (2017)

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