Analysis of Chemically Modified Structure and Graft Polymers

4 Analysis of Chemically Modified Structure and Graft Polymers 

Chemical modification of rubber such as hydrogenation, chlorination, epoxidation, cyclisation, addition of maleic anhydride, is a popular technique to give a desirable 

Reproduced with permission from H.N. Cheng and G.H. Lee, Polymer Bulletin, 1988, 19, 89, Table 1. Copyright 1988, Springer-Verlag GmbH Co KG 

The structure of curing points has been studied using model compounds of rubber. 

Vulcanisation of EPDM with sulfur systems was studied by H-NMR using ethylidene norbornane (ENBH) as a model of ENB [62]. The use of ENBH was also effective to elucidate the curing reaction of EPDM with phenol-formaldehyde resin [63]. Similarly, halogenation reaction of HR was studied by H-NMR using 2,2,4,8,8-pentamethyl-4-nonene as a model [64], 

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