| 摘要 |
<p>The present invention relates to hydrogels based on xanthan and chondroitin sulphate meant to manufacture materials with biomedical properties for controlledly releasing codeine, obtained by cross-linking, while stirring, 90...50% xanthan and 10...50% chondroitin sulphate with 2.143 ml epichlorohydrine, at 80°C for 8 h, the hydrogel resulting after isolation exhibiting a maximal degree of swelling of 7157.17, being over-absorbent.</p> |
