[1]罗园春,朱光明,汤皎宁,等.环氧树脂及其固化剂对生物微胶囊性能的影响[J].深圳大学学报理工版,2015,32(No.4(331-440)):371-377.[doi:10.3724/SP.J.1249.2015.04371]
 Luo Yuanchun,Zhu Guangming,Tang Jiaoning,et al.Influence of epoxy resin and its curing agent on the properties of biomicrocapsule[J].Journal of Shenzhen University Science and Engineering,2015,32(No.4(331-440)):371-377.[doi:10.3724/SP.J.1249.2015.04371]
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环氧树脂及其固化剂对生物微胶囊性能的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第32卷
期数:
2015年No.4(331-440)
页码:
371-377
栏目:
材料科学
出版日期:
2015-07-16

文章信息/Info

Title:
Influence of epoxy resin and its curing agent on the properties of biomicrocapsule
文章编号:
201504006
作者:
罗园春1朱光明1汤皎宁1邢锋2
1) 深圳大学材料学院,深圳 518060
2) 深圳大学土木工程学院,深圳 518060
Author(s):
Luo Yuanchun1 Zhu Guangming1 Tang Jiaoning1 and Xing Feng2
1) College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P.R.China
2) College of Civil Engineering, Shenzhen University, Shenzhen 518060, P.R.China
关键词:
复合材料微胶囊环氧树脂固化剂生物相容性抗折强度断裂韧性弹性模量
Keywords:
composite material microcapsules epoxy resin curing agent biological compatibility flexural strength fracture toughness elastic modulus
分类号:
Q 93;TQ 317.3
DOI:
10.3724/SP.J.1249.2015.04371
文献标志码:
A
摘要:
以环氧树脂为壁材,制备一种含有孢子的生物微胶囊,其中环氧树脂分别用N-(β-氨乙基)-γ-氨丙基三甲氧基硅烷(KH-792)、间苯二甲胺(MXDA)和2,4,6-三(二甲胺基甲基)苯酚(DMP-30)进行固化.通过耐受性测试评价环氧树脂及其固化剂对孢子的生物相容性;通过平板菌落计数法研究微胶囊化后孢子的存活率;利用纳米压痕仪测试环氧壁材的弹性模量;通过三点弯曲测试壁材的抗折强度;利用扫描电子显微镜和光学显微镜观察环氧壁材及复合基体的断面形貌.结果表明,KH-792、MXDA、DMP-30和环氧树脂对孢子活性影响依次减小;由KH-792、MXDA和DMP-30固化的环氧树脂壁材断裂韧性依次降低,弹性模量依次增大.可知由DMP-30固化环氧树脂作壁材制备的生物微胶囊具有较高的孢子存活率和较好的力学触发性能.
Abstract:
Microcapsules containing spores were prepared by using epoxy resin as the shell material. The epoxy resin was cured with N-(amino-ethyl)-amino-propyl trimethoxy silane (KH-792), M-Xylene Diamine(MXDA) and 2,4,6-Tris (dimethylaminomethyl) phenol (DMP-30), respectively. The influence of epoxy resin and its curing agent on the biocompatibility of spores were evaluated by the tolerance test method. The survival rate of microencapsulated spores was measured with the plate colony-counting method. The elastic modulus of epoxy wall was tested by a Nanoindenter. The flexural strength of the shell material was tested by the three-point bending method. The morphology of the composite matrix and the shell cross-section were characterized by a scanning electron microscope and an optical microscope. The results show that the influences of KH-792, MXDA, DMP-30 and epoxy resin on biologic activity of spores reduce in turn. KH-792, MXDA and DMP-30 respectively as the curing agent of the epoxy wall, in turn, reduce the fracture toughness while improve the elastic modulus. Therefore, the biomicrocapsules with shell materials of epoxy cured by DMP-30 show the highest rate of spores’ survival and the best performance of mechanical trigger properties.

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备注/Memo

备注/Memo:
Received:2015-01-05;Accepted:2015-04-17
Foundation:Major International (Regional) Joint Research Project in the National Natural Fund(51120185002/U1301241); Science and Technology Project of Shenzhen (JCYJ20140418091413518)
Corresponding author:Associate professor Zhu Guangming.E-mail: gzhu@szu.edu.cn
Citation:Luo Yuanchun, Zhu Guangming, Tang Jiaoning, et al.Influence of epoxy resin and its curing agent on the properties of biomicrocapsule[J]. Journal of Shenzhen University Science and Engineering, 2015, 32(4): 371-377.(in Chinese)
基金项目:国家自然基金重大国际(地区)合作与交流项目资助(51120185002/U1301241);深圳市科技计划资助项目(JCYJ20140418091413518)
作者简介:罗园春(1987—),男(汉族),江西省吉安市人,深圳大学硕士研究生. E-mail:luoyuanchun@yeah.net
引文:罗园春,朱光明,汤皎宁,等.环氧树脂及其固化剂对生物微胶囊性能的影响[J]. 深圳大学学报理工版,2015,32(4):371-377.
更新日期/Last Update: 2015-06-30