کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7866136 | 1509130 | 2018 | 31 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Preparation and property of high strength and low friction PVA-HA/PAA composite hydrogel using annealing treatment
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
بیومتریال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Preparation and property of high strength and low friction PVA-HA/PAA composite hydrogel using annealing treatment Preparation and property of high strength and low friction PVA-HA/PAA composite hydrogel using annealing treatment](/preview/png/7866136.png)
چکیده انگلیسی
PVA hydrogels have desirable characteristics for use as soft tissue substitutes. However, PVA hydrogels are not high strength enough to withstand the demanding in load-bearing environment of human. In this paper, a high strength and low friction PVA-HA/PAA composite hydrogel is obtained by freezing-thawing and annealing method. The microstructure, thermal stability, mechanical and biotribological properties of the hydrogel are studied. Annealing PVA-HA/PAA composite hydrogel has porous structure, interaction occurred between PVA, HA and PAA. HA particles are distributed in PVA matrix and played a role of diffuse strengthening and toughening. Annealing improves the crystallinity and crosslinking of the hydrogel, annealing PVA-HA/PAA composite hydrogel has good thermal stability, strength and mechanical properties. The tensile strength of annealing PVA-HA/PAA composite hydrogel can be up to 3.71â¯MPa. Annealing PVA-HA/PAA composite hydrogel has favorable lubricating properties, and the friction coefficient is very low.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: C - Volume 91, 1 October 2018, Pages 579-588
Journal: Materials Science and Engineering: C - Volume 91, 1 October 2018, Pages 579-588
نویسندگان
Kai Chen, Guangyan Chen, Sheng Wei, Xuehui Yang, Dekun Zhang, Linmin Xu,