全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

丝胶含量对温敏凝胶形态和热性能的影响

, PP. 105-110

Keywords: 水凝胶,丝胶蛋白,异丙基丙烯酰胺,半互穿网络,相转变温度

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用半互穿网络技术制备得到不同丝胶(SS)含量的丝胶基聚(N-异丙基丙烯酰胺)水凝胶。采用XRD、SEM、DSC和TGA-DTG分别考察了水凝胶的结构、相容性和热稳定性,以及凝胶的内部孔洞形态和体积相转变行为。结果表明:丝胶多肽链和凝胶分子链存在微弱的氢键作用力;随着丝胶质量分数由0增加至20%,凝胶的内部孔径增加1~2倍,且均呈结构完好的蜂窝状结构;丝胶分子链均匀地分散在凝胶基体中,无相分离发生;丝胶分子链引入使聚(N-异丙基丙烯酰胺)水凝胶的体积相转变温度增加0.2~0.3℃;最大热分解温度和DTG分解峰温度呈缓慢增加趋势。

References

[1]  王 伟, 齐 鲁. 丝胶蛋白材料的研究与应用进展 [J]. 丝绸, 2009(11): 38-41.Wang Wei, Qi Lu. The sericin protein materials research and the application progresses [J]. Silk, 2009(11): 38-41.
[2]  陈 华, 朱良均, 闵思佳, 等. 蚕丝丝胶蛋白的结构、性能及利用 [J]. 功能高分子学报, 2001, 14(3): 344-348.Chen Hua, Zhu Liangjun, Min Sijia, et al. Structure, property and utilization of silk sericin [J]. Journal of Functional Polymer, 2001, 14(3): 344-348.
[3]  Wang Y Z, Kim H J, Vunjak-Novakovic G, et al. Stem cell-based tissue engineering with silk biomaterials [J]. Biomaterials, 2006, 27(36): 6064-6082.
[4]  Vepari C, Kaplan D L. Silk as a biomaterial [J]. Progress in Polymer Science, 2007, 32(8/9): 991-1007.
[5]  Hardy J G, Scheibel T R. Composite materials based on silk proteins [J]. Progress in Polymer Science, 2010, 35(9): 1093-1115.
[6]  张 弦, 林松柏, 黄铂扬, 等. P(NIPAM-co-AM)超大孔水凝胶的制备及其性能 [J]. 复合材料学报, 2011, 28(1): 61-67.Zhang Xian, Lin Songbai, Huang Boyang, et al. Synthesis and properties of P(NIPAM-co-AM) superporous hydrogel [J]. Acta Materiae Compositae Sinica, 2011, 28(1): 61-67.
[7]  刘羿君, 王建君, 鲍学骞, 等. 丝素蛋白纤维/聚N-异丙基丙烯酰胺复合水凝胶的性能 [J]. 功能高分子学报, 2009, 22(1): 55-59.Liu Yijun, Wang Jianjun, Bao Xuejian, et al. Properties of fibroin fiber/poly(N-isopropylacrylamide) composite hydrogel [J]. Journal of Functional Polymers, 2009, 22(1): 55-59.
[8]  Gil E S, Hudson S M. Effect of silk fibroin interpenetrating networks on swelling/deswelling kinetics and rheological properties of poly(N-isopropylacrylamide) hydrogels [J]. Biomacromolecules, 2007, 8(1): 258-264.
[9]  吴 雯, 王东升. 温敏性丝胶蛋白/聚(N-异丙基丙烯酰胺)互穿网络水凝胶的结构与形态 [J]. 高分子材料科学与工程, 2010, 26(9): 92-95.Wu Wen, Wang Dongsheng. Structure and morphology of temperature-sensitive silk sericin/poly(N-isopropylacryl-amide) interpenetrating network hydrogels [J]. Polymer Materials Science and Engineering, 2010, 26(9): 92-95.
[10]  李学伟, 张青松, 陈 莉. 丝胶基半互穿温敏凝胶的合成及其溶胀行为的研究 [J]. 化学学报, 2010, 68(18): 1915-1920.Li Xuewei, Zhang Qingsong, Chen Li. Preparation of semi-IPNs hydrogels based on silk sericin and their swelling behavior [J]. Acta Chimica Sinica, 2010, 68(18): 1915-1920.
[11]  朱良均, 姚菊明, 李幼禄. 蚕丝蛋白——丝胶和丝素凝胶特性的比较 [J]. 科技通报, 1998, 14(1): 12-16.Zhu Liangjun, Yao Juming, Li Youlu. Comparison of gel properties between the silk proteins (bombyx mori)—Sericin and fibroin [J]. Bulletin of Science and Technology, 1998, 14(1): 12-16.
[12]  Ha S W, Park Y H, Hudson S M. Dissolution of bombyx mori silk fibroin in the calcium nitrate tetrahydrate-methanol system and aspects of wet spinning of fibroin solution [J]. Biomacromolecules, 2003, 4(3): 488-496.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133