| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermostabilizing agent which can improve thermal stability of a polymer material, a nano-structure, a polymer micelle and a drug carrier; a new thermostabilized polymer material, a nano-structure, and further a new drug carrier for temperature-response type controlled release of a drug. <P>SOLUTION: This polymer compound is a block copolymer comprising a hydrophilic polymer and a hydrophobic polymer, which includes a cyclic polymer structure. <P>COPYRIGHT: (C)2011,JPO&INPIT |
