news 2,2,4-Trimethyl-2-Silapiperidine: A Novel Catalyst for Sustainable Polyurethane Production 2,2,4-Trimethyl-2-Silapiperidine: A Novel Catalyst for Sustainable Polyurethane Production Introduct... 04/01112 4-Trimethyl-2-Silapiperidine: A Novel Catalyst for Sustainable Polyurethane Production