Title: 31445.pdf
The speed of cure is expressed as the time to reach a Persoz hardness of respectively 30, 60 and 120 s.Persoz: 3060120 s3 phr Perkadox CH-50 + 0.1 phr Acc. NL-63-100 3 phr Perkadox CH-50 + 0.4 phr Acc. NL-63-100 3 phr Perkadox CH-50 + 0.5 phr Acc. NL-64-100 3 phr Perkadox CH-50 + 0.05 phr Acc. NL-65-100 3 phr Perkadox CH-50 + 0.1 phr Acc. NL-65-1000.510.80.5 2.52 h <0.5 h 1 h 14 h 0.5 hCure of 4 mm laminates at 20°C4 mm laminates have been made with 450 g/m2 glass chopped strand mat. The glass content in the laminates is 30% (w/w). The following parameters were determined: - Time-temperature curve - Speed of cure expressed as the time to achieve a Barcol hardness(934-1) of 0-5 and 25-30 respectively.Residual styrene content after 24h at 20°C and a subsequent postcure of 8 h at 80°C.Residual styrene content after 24h at 20°C and a subsequent postcure of 8 h at 80°C.Gel time min.Time to Peak Peak min.exotherm °C