RAVECARB - Caffaro Industrie SpA

Properties Polyols 17 COMPARATIVE TESTS: THERMOPLASTIC PUR Synthesis conditions Polyol + BD 1,4 (1,4 Butandiol) + MDI (4,4’ diphenyl methanediisocyanate) Stoichiometric condition: NCO/OH = 1,04 // 1,4 BD/Polyol = 1 Polymerisation 60-80°C in DMF Polyol PCL = Polycaprolactone PTMEG = Polytetramethyleneglycol MODULUS 100% Kg/cm2 ELONGATION % TENSILE S. Kg/cm2 RAVECARB 102 80 570 400 PCL 50 500 500 PTMEG 40 400 640 Polyols rti s