A method for preparing a biodegradable polyester elastomer includes a following steps comprising: dissolving a predetermined amount of titanium dioxide in an aqueous mixture of sulphuric acid, DI water, and ethanol to form a first solution; refluxing the first solution in a silicone oil bath and a stirring speed of 300-450 rpm at a temperature of 90-100° C. to form a second solution; preparing a solid superacid catalyst by drying, grinding and calcining sulfated titania and using this catalyst to produce a biodegradable polyester elastomer.
一种制备可
生物降解聚酯弹性体的方法包括以下步骤:将预定量的
二氧化钛溶解在
硫酸、去离子
水和
乙醇的
水性混合物中,形成第一溶液;将第一溶液在
硅油浴中回流,搅拌速度为 300-450 转/分,温度为 90-100 摄氏度,形成第二溶液;通过干燥、研磨和煅烧
硫酸化
二氧化钛制备固体超酸催化剂,并使用该催化剂制备可
生物降解聚酯弹性体。