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1 个结果
  • 简介:Thesuccinylationofcornstarchbyslurryreactionhasbeenstudiedusingsodiumhydroxideascatalyst.SeveralreactionparametersafJectingthesuccinylationwereinvestigatedincludingtheconcentrationofstarchinwater,theratioofsuccinicanhydridetostarch,thereactiontimeandthereactiontemperature.Thefavorableconditionsforanintermediatedegreeofsubstitution(DS)andreasonablyhighreactionefficiency(RE)arepH8.5~9.0,50%starchbyweighttowater,succinicanhydridetostarchI/I(w/w),reactiontime4h,reactiontemperature30℃Undertheseconditions,theDSof0.45andREof28%wereachieved.Theadditionofanadequateamountofcrosslinkingagentimpartedstarchsuccinatewaterabsorbency.

  • 标签: 淀粉酶 琥珀酐 淀粉琥珀