以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料，以联二脲（LDA）、聚磷酸铵（APP）作为阻燃剂，制作了聚醚聚氨酯弹性体。

Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.

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结果：甲苯磺丁脲片的溶出度有很大程度提高。

Results: Significant improvement of dissolution of tolbutamide was found.

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方法：于甲苯磺丁脲中加入低取代羟丙基纤维素测定溶出度。

Methods: L-HPC was added into tolbutamide and its dissolution was measured.

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