Cubic phase spherical zirconia nano-powder was prepared by a direct template route in the lamellar liquid crystal formed by polyoxyethylene tert-octylphenyl ether(Triton X-100)/sodium dodecyl sulfate(SDS)/H_2O.The pre...Cubic phase spherical zirconia nano-powder was prepared by a direct template route in the lamellar liquid crystal formed by polyoxyethylene tert-octylphenyl ether(Triton X-100)/sodium dodecyl sulfate(SDS)/H_2O.The precursor powder and zirconia powder were characterized by XRD,FT-IR,TG/DSC,TEM,and SEM methods.Results show that the stability of the lamellar liquid crystal is controlled by NH_3·H_2O concentration.The size of nanoparticles is greatly affected by NH_3·H_2O and ZrOCl_2·8H_2O concentrations.The zirconia nanoparticles show narrow particle size distribution of 10-30 nm.展开更多
考察了5种乳化剂及复配阴离子助乳化剂对液晶结构、稳定性、肤感、外观及保湿性的影响,旨在开发出一款适合干性肌肤、具有明显液晶结构、长效保湿并兼具滋润顺滑肤感的配方体系。实验结果表明,TEGO CARE 165、Olivem 1000K、Prolipid?14...考察了5种乳化剂及复配阴离子助乳化剂对液晶结构、稳定性、肤感、外观及保湿性的影响,旨在开发出一款适合干性肌肤、具有明显液晶结构、长效保湿并兼具滋润顺滑肤感的配方体系。实验结果表明,TEGO CARE 165、Olivem 1000K、Prolipid?141、仿生液晶、DOLCEA MB均会形成液晶结构,添加阴离子乳化剂硬脂酰谷氨酸钠会减少液晶的形成,考察体系中TEGO CARE 165体系液晶结构最为密集规整,滋润度及肤感最好,长期稳定性较好,具有长效保湿功效。该体系可作为液晶储备基质体系。展开更多
Controlling organic-inorganic liquid crystal structures to form lamellar mesostructured crystalline silica nanosheets(LCS) was achieved by using the simple cationic surfactant cetyl trimethyl ammonium bromide(CTAB). T...Controlling organic-inorganic liquid crystal structures to form lamellar mesostructured crystalline silica nanosheets(LCS) was achieved by using the simple cationic surfactant cetyl trimethyl ammonium bromide(CTAB). The organic-inorganic interaction under the condtions of a high surfactant concentration and suitable synthesis temperature played an important role in the construction of mesostructured crystalline silica.展开更多
There have been some reports on the study of the preparation of the non-water soluble fine particle, but the preparation of the water-soluble fine particle is still a difficult problem to be solved.We have prepared th...There have been some reports on the study of the preparation of the non-water soluble fine particle, but the preparation of the water-soluble fine particle is still a difficult problem to be solved.We have prepared the water-soluble fine particle [Co（NH<sub>3</sub>）<sub>6</sub>]Cl<sub>3</sub> by using another form,lamellar liquid crystal,of organized展开更多
文摘Cubic phase spherical zirconia nano-powder was prepared by a direct template route in the lamellar liquid crystal formed by polyoxyethylene tert-octylphenyl ether(Triton X-100)/sodium dodecyl sulfate(SDS)/H_2O.The precursor powder and zirconia powder were characterized by XRD,FT-IR,TG/DSC,TEM,and SEM methods.Results show that the stability of the lamellar liquid crystal is controlled by NH_3·H_2O concentration.The size of nanoparticles is greatly affected by NH_3·H_2O and ZrOCl_2·8H_2O concentrations.The zirconia nanoparticles show narrow particle size distribution of 10-30 nm.
文摘考察了5种乳化剂及复配阴离子助乳化剂对液晶结构、稳定性、肤感、外观及保湿性的影响,旨在开发出一款适合干性肌肤、具有明显液晶结构、长效保湿并兼具滋润顺滑肤感的配方体系。实验结果表明,TEGO CARE 165、Olivem 1000K、Prolipid?141、仿生液晶、DOLCEA MB均会形成液晶结构,添加阴离子乳化剂硬脂酰谷氨酸钠会减少液晶的形成,考察体系中TEGO CARE 165体系液晶结构最为密集规整,滋润度及肤感最好,长期稳定性较好,具有长效保湿功效。该体系可作为液晶储备基质体系。
基金the National Natural Science Foundation of China(Nos.21533002, 21471099, 21571128)the National Key R&D Program of China(No.2016YFC0205900)the National Excellent Doctoral Dissertation of China(No.201454).
文摘Controlling organic-inorganic liquid crystal structures to form lamellar mesostructured crystalline silica nanosheets(LCS) was achieved by using the simple cationic surfactant cetyl trimethyl ammonium bromide(CTAB). The organic-inorganic interaction under the condtions of a high surfactant concentration and suitable synthesis temperature played an important role in the construction of mesostructured crystalline silica.
基金Project supported by the National Natural Science Foundation of China.
文摘There have been some reports on the study of the preparation of the non-water soluble fine particle, but the preparation of the water-soluble fine particle is still a difficult problem to be solved.We have prepared the water-soluble fine particle [Co（NH<sub>3</sub>）<sub>6</sub>]Cl<sub>3</sub> by using another form,lamellar liquid crystal,of organized
