Kymene as a cross-linker, instead of sodium hydroxide and urea [24,25,34]. This novel method can reduce significantly the toxicity of raw materials, and the entire synthesis duration from 7 days of previous methods [32,33] down to 2 days
Kymene as a cross-linker, instead of sodium hydroxide andurea [24,25,34]. This novel method can reduce significantly thetoxicity of raw materials, and the entire synthesis duration from7 days of previous methods [32,33] down to 2 days