Abstract
Bisphenol A is an oil-derived, large market volume chemical with a wide spectrum of applications in plastics, adhesives and thermal papers. However, bisphenol A is not considered safe due to its endocrine disrupting properties and reproductive toxicity. Several functional substitutes of bisphenol A have been proposed in the literature, produced from plant biomass. Unless otherwise specified, the present review covers the most significant contributions that appeared in the time span January 2015-August 2019, describing the sustainable catalytic synthesis of rigid diols from biomass derivatives. The focus is thereupon on heterogeneous catalysis, use of green solvents and mild conditions, cascade processes in one-pot, and continuous flow setups. More than 500 up-to-date references describe the various substitutes proposed and the catalytic methods for their manufacture, broken down according to the main biomass types from which they originate.
Highlights
There is no doubt that plastic materials are central to our society
The aim of the present review is to provide the reader with the basic concepts behind chemical substitution, and with an analysis of the advancements proposed for the sustainable synthesis of bisphenol A (BPA)
As for any other partial reduction process, the challenge in BHMF and BHMTHF synthesis is to achieve the reduction of one specific group at full substrate conversion, which strongly depends on a subtle combination of metal catalyst, reaction conditions and, in the case of heterogeneous systems, properties of the support material.[281,282]
Summary
Plastics are usually synthetic polymers recalcitrant to biodegradation. They accumulate in the environment if discarded, representing important pollutants.[4,5] Plastics may contain or release toxic components or volatile organic compounds dangerous to human health and the habitat.[6,7] Most plastics. Francesca Liguori chemistry, catalysis for the synthesis of value-added chemicals from renewable sources and the synthesis of materials as supports for catalysts She was a co-author of several peer reviewed papers on ISI journals and an investigator in research and industrial projects in the field of heterogeneous catalysis. 0.1 ppb has been prohibited in California, if they are designed as containers for food and beverages used by children.[117] Other twelve US states and the District of Columbia have enacted law restrictions on BPA since 2009.118 According to the U.S Food and Drug Administration, the use of BPA-based polycarbonates and epoxy resins in baby bottles, sippy cups and infant formula packaging has been abandoned since 2012.119,120 In 2014, the. Starting from 2010, baby bottles containing BPA polycarbonate have no longer been manufactured advertised, sold and imported in Canada.[122]
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