| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an amphiphilic organic phosphazene-based polymer having temperature sensitivity and biocompatibility, and to provide a method for producing the same. <P>SOLUTION: This phosphazene-based polymer represented by chemical formula 1 [R is methyl or ethyl; R' is COOR, CH<SB>2</SB>COOR, CH<SB>2</SB>CH<SB>2</SB>COOR, CH<SB>2</SB>CH(CH<SB>3</SB>)<SB>2</SB>, CH<SB>2</SB>C<SB>6</SB>H<SB>5</SB>, CH(CH<SB>3</SB>)CH<SB>2</SB>CH<SB>3</SB>or CH<SB>3</SB>; R" is CH<SB>2</SB>COOR, CH<SB>2</SB>CH<SB>2</SB>COOR, CH<SB>2</SB>CH(CH<SB>3</SB>)<SB>2</SB>, CH<SB>2</SB>C<SB>6</SB>H<SB>5</SB>, CH(CH<SB>3</SB>)CH<SB>2</SB>CH<SB>3</SB>or CH<SB>3</SB>; R"' is CH<SB>2</SB>COOR, CH<SB>2</SB>CH<SB>2</SB>COOR and H; (n) is 30 to 100; (x) is 3, 4, 7, 12 or 16; (y) is 0.5 to 1.5; (a) is 1; (b) and (c) are each 0 or 1]. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
