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EC number: 273-227-8
CAS number: 68953-84-4
After 15 days of contact between the rubber samples and the water,
approximately 1,6% of the 1,4-benzenediamine, N,N'-mixed Ph and tolyl
derivs. leached from the rubber into the water phase. Two other tested
p-phenylenediamines (N-isopropyl-N'-phenyl-p-phenylenediamine and
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine) respectively showed
86.2 and 44.7% of antioxidant leaching from the rubber samples.
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