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3. Conclusion
The development of biobased epoxy resins for the substitution of bisphenol A diglycidyl ether remains a major challenge, as many synthetic bisphenols with structures very similar to BPA appear to have comparable activity with respect to human hormone receptors. Compounds already widely used in the literature, such as resorcinol, face similar problems. Academic researchers have focused heavily on compounds that can be extracted from bioresources, as their chemical structures are more complex and, for some of them, present low toxicity profiles. These compounds are widely studied, as their chemical structures bring new properties. However, these structures also bring different thermomechanical properties to epoxy materials, so it can be difficult to find a unique alternative to DGEBA. Thus, natural phenols are of particular interest as they may present a promising alternative to DGEBA. Many...
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Bibliography
Patents
NOUAILHAS (H.), BURGUIÈRE (C.), CAILLOL (S.), BOUTEVIN (B.), FULCRAND (H.) and RAPIOR (S.). – Novel method for producing thermosetting epoxy resins. WO2010136725 (2010).
ROBINS (J.). – Epoxy resin curing agent, process and composition. US4503211A, 1985/03/05 (1985).
MORII (A.), NAKAMURA (H.) and SAITO (Y.). – Epoxy resin composition. EP0161576A2, 1985/11/21 (1985).
...Regulations
Commission Implementing Regulation (EU) No 321/2011 of 1 April 2011 Amending Regulation (EU) No 10/2011 as Regards the Restriction of Use of Bisphenol A in Plastic Infant Feeding Bottles.
Law no. 2010-729 of June 30, 2010 suspending the marketing of all packaging containing bisphenol A and intended for food products.
Inclusion of Substances of Very High Concern in the Candidate...
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