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Two kinds of foam based on melamine − formaldehyde (MF) condensates (PVA/MF (PVA, polyvinyl alcohol), PVA/APTES/MF (APTES, 3‐triethoxysilylpropylamine)) were prepared by chemical modification. Pure MF foam has the serious disadvantage that it is very hard and brittle, breaks easily and crumbles when handled. After modification, PVA/MF and PVA/APTES/MF display excellent resilience. The structures of...
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