introduction polyurethane (pu) and polyisocyanurate (pir) foams are widely used as insulation materials in construction, refrigeration, and transportation industries due to their excellent thermal ins ...

introduction tris(dimethylaminomethyl)phenol, commonly known as pc41, serves as a highly effective trimerization catalyst in the production of polyisocyanurate (pir) foams and other polyurethane (pu) ...

contents introduction 1.1. background 1.2. chemical identity and structure 1.3. synonyms chemical and physical properties 2.1. key properties table 2.2. detailed property descriptions synthesis and m ...

introduction polyurethane (pu) is a versatile material with a wide range of applications, from flexible foams to rigid structural components. one critical aspect of pu chemistry is the control of the ...