摘要：针对目前液体洗涤剂功能单一的问题,研究设计了一种高效抗菌硬表面洗涤剂,该洗涤剂兼具抗菌和硬表面洗涤的双重效果.经去油率实验结果表明:脂肪醇聚氧乙烯醚硫酸钠(AES)、直链烷基苯磺酸钠(LAS)和椰子油脂肪酸二乙醇酰胺(6501)质量比为7∶3∶1,总活性物质量分数为22%时,去污力可达到79.6%,.采用悬液定量杀菌实验和持续抑菌实验对含三氯生0.5%,(质量分数)的抗菌硬表面洗涤剂进行抗菌测试.抗菌结果表明,洗涤剂样品原液对大肠杆菌的杀灭率为98.08%,,对金黄色葡萄球菌的杀灭率为96.90%,,与同类产品中的其他杀菌成分相比,用量少,杀菌效果好,原液50倍稀释后持续杀灭率分别为63.74%,和83.23%,.储存稳定性实验结果表明,抗菌硬表面洗涤剂的有效期为1年.

摘要：针对单一植物源杀菌剂存在高成本、低抗菌性且抗菌谱较窄及植物精油不稳定的问题,设计开发了一种新型的抗菌复方精油微乳液.采用协同指数法确定精油的最佳复配组合,并利用相转化法制备其微乳液,通过分析拟三元相图中微乳液区域的大小研究了表面活性剂、助表面活性剂、表面活性剂与助表面活性剂的质量比(Km)及油相含量对微乳液形成的影响.结果表明:在室温条件下,以丁香油-肉桂油-大蒜油复配精油(质量比8∶1∶8)为油相、Tween-80为表面活性剂、甘油为助表面活性剂、蒸馏水为水相,当Km=5∶1、油相和混合表面活性剂的质量比为2∶8时,制备的微乳液抗菌性能显著,且外观及稳定性等均较好.

摘要：A series of 4,4'-disubstituted-[2,2']-bipyridines, featuring electron withdrawing/donating functional groups such as amino, chloro, nitro, ethoxycarbonyl, carboxy, methyl, methoxy and hydroxymethyl, have been synthesized and employed in the copolymerization of carbon monoxide(CO)and styrene. The available bipyridine and its derivatives were coordinated with palladium(Ⅱ)acetate for catalyzing the copolymerization of CO and styrene, and the concomitant polyketone was characterized by means of 13 C NMR, FTIR, differential scanning calorimetry(DSC)and element analysis techniques concerning its structure and thermal performance. The effect of different electron-donating and electron-withdrawing groups on catalyst performance and molecular weight of copolymer was studied under certain experimental condition. It has been proved that the enhancement of electron donating and conjugative effects on bipyridine ligand will not only improve the catalytic activity of the composition, but also increase the molecular weight of the as-prepared polyketone. The catalytic activity is the highest in hydroxymethyl substituted 2,2'-bipyridine ligand(1 356 g STCO/(g Pd · h)), when the molecular weight and polydispersity index of the polyketone are M n=8 502,M w=1 3440 and M w/M n=1.581, respectively.