生物防污剂/聚苯乙烯复合微球的细乳液聚合制备方法研究
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摘要
生物防污剂的应用为开发环境友好型防污涂层开辟了新途径.但生物防污剂直接添加在涂层中,存在释放过快、时效过短的问题.采用甲基丙烯酰氧基丙基三甲氧基硅烷对生物防污剂进行疏水改性,再采用细乳液聚合制备了生物防污剂/聚苯乙烯复合微球,考察了乳化剂体系和乳化方法对微球形态的影响.通过工艺优化,得到了粒径范围1~10μm的微球,生物防污剂包载率达10%,在0.1 mol盐酸溶液可以缓慢释放25 d,有望应用于水下防污涂层的制备.
The use of biological anti-fouling agent opened up a new way to explore the environmental friendly anti-fouling coating. However,direct addition of biological anti-fouling agent was suffered from fast releasing and short ofservice life. In this paper,the biological anti-fouling agent was modified with methacryloxypropyhrimethoxysilane andsubsequently encapsulated into polystyrene microspheres by miniemulsion polymerization. Influences of the emulsifierand the emulsifying method on the morphology of the composite microspheres were investigated. After optimizationof the process parameters,the biological anti-fouling agent and polystyrene composite microspheres with diameterin a range of 1 to 10 μm were obtained. Immersion experiments in 0.1 mol hydrochloric acid solution indicated thecomposite microspheres released the performance and suggestied their potential application in antifouling coatings.
The use of biological anti-fouling agent opened up a new way to explore the environmental friendly anti-fouling coating. However,direct addition of biological anti-fouling agent was suffered from fast releasing and short ofservice life. In this paper,the biological anti-fouling agent was modified with methacryloxypropyhrimethoxysilane andsubsequently encapsulated into polystyrene microspheres by miniemulsion polymerization. Influences of the emulsifierand the emulsifying method on the morphology of the composite microspheres were investigated. After optimizationof the process parameters,the biological anti-fouling agent and polystyrene composite microspheres with diameterin a range of 1 to 10 μm were obtained. Immersion experiments in 0.1 mol hydrochloric acid solution indicated thecomposite microspheres released the performance and suggestied their potential application in antifouling coatings.
引文
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[18]吕鹏,李明远,李楠楠.液体在毛细微孔中接触角测量方法[J].科学技术与工程,2015,15(23):92-94.
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[2]王晶晶,黄从树,谢志鹏.船舶防污涂料用防污剂的研究进展及应用[J].材料开发与应用,2010,25(6):58-61,66.
[3]丛巍巍,于良民,姜晓辉,等.新型防污剂的合成、生物毒性以及防污性能的研究[J].材料导报B:研究篇,2011,25(2):37-41,56.
[4]姜晓辉,于良民,董磊,等.新型防污剂异噻唑啉酮衍生物的合成、生物毒性与防污性能研究[J].精细化工,2007,24(2):125-128.
[5]张善志,郝庆辉,武琳琳.新型无毒长效船舶海洋防污涂料的制备[J].防污涂料与涂装,2012,27(5):33-38.
[6]冯丹青,邱彦,王伟,等.几种海洋生物中天然防污活性物质的提取及筛选[C]//中国海洋湖沼学会第十次会员代表大会,海洋腐蚀与生物污损学术研讨会摘要集.北京:海洋出版社,2012.
[7]李杨,杨国平,钱金栿,等.天然生物抗菌剂研究概况[J].中国民族民间医药,2011,20(21):34-36.
[8]王建平,郭慧林.蓝色电子墨水微胶囊的制备[J].自然科学进展,2004,14(6):717.
[9]李志诚,石光,梁柏俊,等.复凝聚法制备明胶/ES香精微胶囊[J].精细化工,2013,30(1):89-93.
[10]谭龙飞,文毓,黄永杰,等.以壳聚糖、麦芽糊精和蔗糖为壁材制备肉桂醛微胶囊[J].食品科学,2006,27(1):115-118.
[11]戚栋明,陈智杰,赵晓丽,等.微悬浮法制备有机颜料微胶囊中的粒径调控[J].化工学报,2013,64(3):1118-1123.
[12]戚栋明,张睿,许玲玉,等.有机颜料酞菁蓝微胶囊的原位微悬浮法制备及其表征[J].高分子学报,2011(2):145-150.
[13]许仙波,尚玥,单国荣.p H控制下细乳液界面聚合制备有机-无机杂化纳米胶囊[J].化学反应工程与工艺,2014,30(5):471-475.
[14]强伟丽,王炜龙,贺枰,等.细乳液法合成单核核壳结构氧化硅/聚苯乙烯复合微球[J].功能材料,2007,38(2):272-275.
[15]王钦清,王潮霞.细乳液聚合制备二氧化钛/聚苯乙烯复合微球及其形貌分析[J].应用化工,2010,39(3):337-340.
[16]曹志海,单国荣.甲基丙烯酸3-三甲氧基硅丙酯-苯乙烯细乳液共聚合过程中的水解及缩合反应[J].高分子学报,2008(8):759-764.
[17]国家药典委员会.中华人民共和国药典:附录[M].二部.北京:化学工学出版社,2010.
[18]吕鹏,李明远,李楠楠.液体在毛细微孔中接触角测量方法[J].科学技术与工程,2015,15(23):92-94.
[19]徐国旺,杨中华,黄新堂.高速剪切乳化机制备纳米氧化锌及形貌控制[J].华中师范大学学报:自然科学版,2013,47(3):331-334.
[20]谭必恩,胡芳,李建宗,等.稳定苯乙烯/丙烯酸丁酯细乳液的制备[J].高分子材料科学与工程,2001(2):80-83.