Table 4. NMR Techniques for Measurement of Crosslink Density

Method Polymer Filler Cure system References
Solid 1H-NMR PE/PP - Peroxide 72
EPDM - Peroxide 73
NR - Sulfur 74
BR Carbon black Sulfur 75
EPDM/PP - Peroxide 76
NR Carbon black Sulfur 77
NR Carbon black Sulfur 78
Solid 13C-NMR NR - Sulfur 74
NR Carbon black Sulfur 78
Liquid 1H-NMR NR Carbon black Sulfur 79