The demulsification of PAMAM has been investigated by using the simulated O/W emulsion and the visbreaking of PAMAM has also been studied on thick oil.

• 采用发散法合成以乙二胺为核的聚酰胺-胺树枝状大分子,针对O/W型的模拟原油乳液评价了PAMAM的破乳性能,同时评价了PAMAM对稠油的降粘性能。