[Development of artificial disc nucleus materials (semicrystalline polyvinyl alcohol hydrogel elastomers)].
For the purpose of developing of disc nucleus replacement (semicrystalline PVA hydrogel elastomers) and explorating the possibility of clinical application, in this study,the aqueous PVA solution froze at -20 degrees C for 6-12 h, and then thawed at room temperature for 1-2 h. The same process was repeated 1-3 times. After the specimen was dehydrated in vacuum, a kind of artificial disc nucleus materials (semicrystalline PVA hydrogel elastomers ) was formed. DSC and mechanical tests were conducted to investigate the influence of aqueous PVA solution concentration, of dehydrating in vacuum, and of gamma-ray irradiating upon the degree of crystallity and mechanical properties of PVA hydrogel elastomers.
Gu
Zhengqiu
Z
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Ma
Yuanzheng
Y
Gao
Jin
J
Liu
Jiantao
J
Li
Yong
Y
D001672:Biocompatible Materials; D001696:Biomechanical Phenomena; D002358:Cartilage, Articular; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003460:Crystallization; D020724:Elastomers; D006801:Humans; D007403:Intervertebral Disc / Q000601:surgery; D008422:Materials Testing; D011142:Polyvinyl Alcohol / Q000138:chemical synthesis* / Q000737:chemistry; D019736:Prostheses and Implants; D011474:Prosthesis Design; D013718:Tensile Strength
D001672:Biocompatible Materials; D020724:Elastomers; C062364:polyvinyl alcohol hydrogel; D011142:Polyvinyl Alcohol