石油樹脂のジアゾニウム塩の反応

石油樹脂の利用に関する化学的研究 (第2報)

抄録

Petroleum resin was nitrated, reduced, and diazotized. Decomposition of the resultant diazonium chloride in aqueous methanol was found to follow the firstoorder kinetics and showed rate constants of 3.43, 5.84, and 45.40 x 10^-5 sec^-1 at 11°C, 20°C, and °C, respectively, the apparent activation energy being 9030 cal/mol.
Upon decomposition, the petroleum resin molecule formed radicals, which served as sites for grafting with acrylamide. Thegraft reactions were carried out in acidic and alkaline media at 90°C and 95°C. The products were fractionated and examined by means of infrared spectrophotometry.
The effects of ferric chloride catalyst and the amount of the monomer were investigated. It was suggested that only a part of the macroradicals so formed were able to initiate the graft reactions.