蚕丝纤维/金属酞菁活化双氧水催化氧化酸性橙的研究  

Catalytic oxidation of acid orange based on the activation of hydrogen peroxide by silk fibers supported mentallophthalocyanine

作　　者：郑彬彬[1] 黄振夫[1] 朱舜[1] 姚玉元[1] 吕汪洋[1] 陈文兴[1] 

机构地区：[1]浙江理工大学先进纺织材料与制备技术教育部重点实验室,浙江杭州310018

出　　处：《功能材料》2013年第2期294-298,共5页Journal of Functional Materials

基　　金：国家自然科学重点基金资助项目(51133006);国家自然科学基金资助项目(51003096;51103133);浙江省自然科学基金资助项目(Y4100094);高等学校博士学科点专项科研基金资助项目(20093318120003)

摘　　要：合成了四磺酸基钴酞菁(CoPcS),采用基质辅助激光解析电离飞行时间质谱(MALDI-TOF-MS)、紫外-可见光谱(UV-Vis)和傅里叶变换红外光谱(FT-IR)对其进行表征,然后通过三聚氯氰改性将其负载到蚕丝纤维(SF)上,制得了新型蚕丝纤维负载钴酞菁催化剂(CoPcS-SF)。以H2O2为氧化剂,考察了CoPcS-SF对酸性橙Ⅱ(AO2)的催化氧化性能,结果表明,在中性条件下,CoPcS-SF能高效催化氧化AO2,反应60min后AO2的去除率可达97%以上,并且具有较好的重复使用性。考察了pH值、电解质NaCl和温度对CoPcS-SF催化性能的影响,结果表明,CoPcS-SF在pH值3～9较宽范围内均具有较高催化活性;NaCl对催化AO2有促进作用;催化活性随反应温度升高而增强。FT-IR和气质联用(GC-MS)对AO2的降解产物分析表明,AO2的主要产物为顺丁烯二酸、反丁烯二酸和丁二酸等小分子可生物降解脂肪酸。Cobalt tetrasulfophthalocyanine （CoPcS） was synthesized, characterized by matrix-assisted laser de- sorption/ionization time of flight mass spectra （TOF-MS）, Fourier transform infrared spectra（FT-IR） and ul- traviolet and visible spectra （UV-Vis）. CoPeS modified by cyanuric chloride was supported onto silk fibers（SF） to obtain a novel supported catalyst （CoPcS-SF）. The catalytic oxidation activity for acid orange Ⅱ （AO2） was investigated in the presence of H2O2. The experimental results showed that AO2 could be efficiently decom- posed in CoPcS-SF and H2O2, and more than 97% of AO2 in 60 min was eliminated at initial pH 7. Moreover, CoPcS-SF could be recycled. The effects of pH, the electrolyte of NaC1 and temperature indicated the reaction could efficiently proceed in a wide pH range from 3 to 9, and the reaction rate could be obviously enhanced when NaG1 was present, increasing with the elevation of the temperature. FT-IR and gas chromatography/mass spec- trometry （GC-MS） analysis showed that AO2 was mainly oxidized into some small molecular biodegradable ali- phatic earboxylic compounds such as maleie acid, fumaric acid, succinic acid, etc.

关 键 词：金属酞菁 蚕丝纤维 酸性橙 催化氧化 

分 类 号：TQ426.99[化学工程]