2. Nov 2020 | Coatings Technologies
Highly stretchable and biodegradable superamphiphobic membrane for antifouling
Excellent enzymatic degradation
Studies of tensile testing and enzymatic biodegradation were also performed. The simultaneous reinforcing and toughening effect was achieved by the bonding of PTFOA onto the PCL chains, which breaking elongation increases from 152.97 %–678.15 %, and the tensile strength increases from 4.11 to 5.78 MPa. Additionally, the superamphiphobicity of the membrane was not lost with a strain up to 600 %. More importantly, the PCL-b-PTFOA nanofibrous membranes demonstrated excellent enzymatic degradation with 81.1 % weight loss at 37 °C for 24 h with Aspergillus oryzae in a phosphate buffer solution. These results suggest that compared with non-degradable materials, the prepared PCL-b-PTFOA nanofibrous membrane can be used as an excellent biodegradable material with good adaptability for antifouling and self-cleaning.
The study has been published in Progress in Organic Coatings, Volume 147, October 2020.
High Solid Binders
High solids are the epitome of high performance and low environmental impact. They are usually the best option where solvent-borne systems would otherwise be the only choice. This book delivers comprehensive knowledge in the field of high solid systems. More especially, it provides an overview of the various classes of binders and ways of transforming them into high solid binders. It lists a broad range of options and approaches for tackling technological and environmental problems. This book addresses the paint and coatings chemists for a better understanding of chemistries and processes involved in film forming hopefully helping in coating design.
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