Thermosensitive biodegradable copolymer
First Claim
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1. A biodegradable block copolymer of the following formula (I):
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Abstract
A thermo-sensitve copolymer of following formula;
is disclosed; wherein R1 is hydrogen, or —C(═O)—R2; R2 is C7-30 alkyl substituted or unsubstituted with functional groups; R3 is hydrogen, or C1-6 alkyl; and x, y or z individually is an integer greater than 0. The thermo-sensitive copolymers disclosed here are easy to be implanted into a human body through injection. The biodegradability is greatly improved and the cytotoxicity of the copolymers is low.
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5 Claims
- 1. A biodegradable block copolymer of the following formula (I):
Specification