Studies on natural rubber bound para-phe
β
Shanti A. Avirah; Rani Joseph
π
Article
π
1995
π
John Wiley and Sons
π
English
β 634 KB
Para-phenylenediamine (PD) was chemically attached to depolymerized natural rubber by a photochemical reaction. The rubber bound PD was characterized by TLC, 'H-NMR, IR, and TGA. The efficiency and permanence of the bound PD were compared with conventional antioxidants in NBR vulcanizates. The rubbe