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Online since: July 2012
Authors: Kai Gu, Xiu Guo Cui, Lei Zu, Shun Yu Han
As one of the commodity polymer, the polyethylene (PE) was applied widely for its excellent physical and chemistry properties and relative low cost.
Furthermore, the anomalous honeycomb structure could be found around the particle edges as can be seen in Fig. 2.
The honeycomb structure indicates the particle was covered by the silica successfully.
Consequently, the core-shell structure of the composite particle could be confirmed.
Conclusion The ultrafine PE-silica composite particle with a core-shell structure was prepared by the sol-gel method in the presence of the PE emulsion.
Furthermore, the anomalous honeycomb structure could be found around the particle edges as can be seen in Fig. 2.
The honeycomb structure indicates the particle was covered by the silica successfully.
Consequently, the core-shell structure of the composite particle could be confirmed.
Conclusion The ultrafine PE-silica composite particle with a core-shell structure was prepared by the sol-gel method in the presence of the PE emulsion.
Online since: May 2014
Authors: Lin Xia
F., Biomimetic Silica Formation: Effect of Block Copolypeptide Chemistry and Solution Conditions on Silica Nanostructure.
Polymer Chemistry, 2012, 3(5),1284-90
J., Bioinspired synthesis of new silica structures.
Physical Chemistry Chemical Physics 2005, 7, (14), 2812-2815
Physical Chemistry Chemical Physics 2004, 6, (4), 854-857.
Polymer Chemistry, 2012, 3(5),1284-90
J., Bioinspired synthesis of new silica structures.
Physical Chemistry Chemical Physics 2005, 7, (14), 2812-2815
Physical Chemistry Chemical Physics 2004, 6, (4), 854-857.
Online since: January 2021
Feringa, the Nobel Laurate in Chemistry 2016, for taking time off from your busy schedule to attend this conference.
Chemistry is a mature science that has developed over more than 200 years.
Not only that, Chemistry also provides fundamental understanding of the materials at molecular levels, and in this sense, Chemistry interacts with the core of other disciplines, ranging from molecular biology, material science, to nanoscience.
Besides that, the unique structure of inorganic material will be presented, along with the inorganic nanomaterials for biological and environment applications.
In addition, the conference also presents around 100 posters on various topics of chemistry.
Chemistry is a mature science that has developed over more than 200 years.
Not only that, Chemistry also provides fundamental understanding of the materials at molecular levels, and in this sense, Chemistry interacts with the core of other disciplines, ranging from molecular biology, material science, to nanoscience.
Besides that, the unique structure of inorganic material will be presented, along with the inorganic nanomaterials for biological and environment applications.
In addition, the conference also presents around 100 posters on various topics of chemistry.
Online since: April 2011
Authors: Xian Hang Cao, Jin Feng Qin, Qian Niu, Si Liu, Wei Wang
Synthesis and structures characterization of nano NiO by PDCG technology
Cao Xianhanga,Qin Jinfengb,Niu Qianc,Liu Sid,Wang Wei1,e
1School of Chemistry and Chemical Engineering/Key Laboratory for green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, Xinjiang,832003
acaoxh2007@163.com,b568315064@qq.com,cNiuqian1115@163.com,
d969197694@qq.com,ewangweiww0409@sina.com
Keywords: nano NiO; PDCG; structure characterization.
The change of surface structures and crystal structures of nano NiO caused surface effect, small size effect, quantum size effect and macroscopic quantum tunnel effect.
Nano NiO particles is of uniform size and spherical structures.
The results showed that the average particle size of 3.8nm, uniform size distribution and spherical structures.
Nanomaterial and nano structure[M].Beijing:Science Press, 2001 [2] Wang Shimin,Xu Zuxun,Fu Jing.Preparation Technology of nano materials[M].
The change of surface structures and crystal structures of nano NiO caused surface effect, small size effect, quantum size effect and macroscopic quantum tunnel effect.
Nano NiO particles is of uniform size and spherical structures.
The results showed that the average particle size of 3.8nm, uniform size distribution and spherical structures.
Nanomaterial and nano structure[M].Beijing:Science Press, 2001 [2] Wang Shimin,Xu Zuxun,Fu Jing.Preparation Technology of nano materials[M].
Online since: August 2016
Authors: Felix Y. Telegin, Jian Hua Ran, Mainul Morshed, Md. Nahid Pervez, Li Sun, Cong Zhang, Viktoriia G. Priazhinikova
Study of structure-property relationships was an essential of textile chemistry research in previous years [1,2].
The Physical Chemistry of Dyeing. 2-nd ed.
Relation between the molecular structure of dyes and their technical properties.
In: The Chemistry of Synthetic Dyes.
S. (1997) QSPR as a means of predicting and understanding chemical and physical properties in terms of structure, Pure and Applied Chemistry 69 (2) 245-248 [4].
The Physical Chemistry of Dyeing. 2-nd ed.
Relation between the molecular structure of dyes and their technical properties.
In: The Chemistry of Synthetic Dyes.
S. (1997) QSPR as a means of predicting and understanding chemical and physical properties in terms of structure, Pure and Applied Chemistry 69 (2) 245-248 [4].
Online since: January 2012
Authors: Bojana Voncina, A. Majcen Le Marechal, Tivadar Feczko
Encapsulation as a Green Chemistry Approach in Eco-dyeing/finishing
B.
Majcen Le MARECHAL1 and Tivadar FECZKO2, 3 1University of Maribor, Faculty of Mechanical Engineering, Institute for Engineering Materials and Design, Maribor, Slovenia 2Institute of Materials and Environmental Chemistry, Chemical Research Center, Hungarian Academy of Sciences, Pusztaszeri u. 59-67., Budapest, 1025, Hungary 3Research Institute of Chemical and Process Engineering, University of Pannonia, Egyetem u. 10., Veszprém, 8200, Hungary abojana.voncina@uni-mb.si Keywords: Nano/microencapsulation; Molecular encapsulation; Photochromic dyes; Ethylcellulose Abstract.
On the other hand, molecular encapsulation is a part of supramolecular chemistry which involves all intermolecular interactions where covalent bonds are not established between the interacting species: i.e., molecules, ions, or radicals.
On objective glass we poured one drop of water suspension of capsules without essential oil, prepared an image of the capsule in transmission, and than observed the penetration of FITC (fluorescein Isothio Cyanate) fluorescent dye into the capsules structure.
Coating of textile materials by photochromic ethylcellulose-spirooxazine nanocapsules [12] Colour changes in photochromic compounds typically come from the shift of optical absorption due to molecular structure or conformation change.
Majcen Le MARECHAL1 and Tivadar FECZKO2, 3 1University of Maribor, Faculty of Mechanical Engineering, Institute for Engineering Materials and Design, Maribor, Slovenia 2Institute of Materials and Environmental Chemistry, Chemical Research Center, Hungarian Academy of Sciences, Pusztaszeri u. 59-67., Budapest, 1025, Hungary 3Research Institute of Chemical and Process Engineering, University of Pannonia, Egyetem u. 10., Veszprém, 8200, Hungary abojana.voncina@uni-mb.si Keywords: Nano/microencapsulation; Molecular encapsulation; Photochromic dyes; Ethylcellulose Abstract.
On the other hand, molecular encapsulation is a part of supramolecular chemistry which involves all intermolecular interactions where covalent bonds are not established between the interacting species: i.e., molecules, ions, or radicals.
On objective glass we poured one drop of water suspension of capsules without essential oil, prepared an image of the capsule in transmission, and than observed the penetration of FITC (fluorescein Isothio Cyanate) fluorescent dye into the capsules structure.
Coating of textile materials by photochromic ethylcellulose-spirooxazine nanocapsules [12] Colour changes in photochromic compounds typically come from the shift of optical absorption due to molecular structure or conformation change.
Online since: June 2011
Authors: Wen Ting Wu, Yi Ren, Heng Yu Zhao
Botanists were also confined to study and describe the elaborate structure and amazing features of plant structure.
In terms of polymer chemistry, we have created a polyethylene, polyvinyl chloride, polycarbonate, polyamide and other artificial materials with a wide variety of functions.
Some have studied the network structure of plant roots and proposed fractal model of fiber structure and broke this limitation.
Recently, research and development of such directional composite material have been emerging in polymer chemistry field.
Plant structure bionics involves a wide rage of areas.
In terms of polymer chemistry, we have created a polyethylene, polyvinyl chloride, polycarbonate, polyamide and other artificial materials with a wide variety of functions.
Some have studied the network structure of plant roots and proposed fractal model of fiber structure and broke this limitation.
Recently, research and development of such directional composite material have been emerging in polymer chemistry field.
Plant structure bionics involves a wide rage of areas.
Online since: February 2007
Authors: Zheng Guang Zou, Shi Jin Yu
Effect factors of nonlinear structure.
Preheating temperature is one of the most important factors for nonlinear structure of SHS process.
Numerical calculation and simulation on the SHS combustion wave structure Basing on fundamentals in physical chemistry and thermodynamics, Consider a sample cylinder and assume that the length of sample is much larger than the radius'.
Using computer to numerical calculate and simulate the SHS combustion wave structure.
Deng: Physical Chemistry (Higher Education Publications, Beijing 1993)
Preheating temperature is one of the most important factors for nonlinear structure of SHS process.
Numerical calculation and simulation on the SHS combustion wave structure Basing on fundamentals in physical chemistry and thermodynamics, Consider a sample cylinder and assume that the length of sample is much larger than the radius'.
Using computer to numerical calculate and simulate the SHS combustion wave structure.
Deng: Physical Chemistry (Higher Education Publications, Beijing 1993)
Online since: May 2004
Authors: M. Kızılyallı, H. Güler, B. Keşanlı, Ö. Pamuk, A. Morkan
Morkan
1 Balıkesir University, Faculty of Arts & Sciences, Chemistry Department,
10100, Balıkesir, Turkey
2
Middle East Technical University, Faculty of Arts & Sciences, Chemistry
Department, 06531, Ankara Turkey
3
Izzet Baysal University, Faculty of Arts & Sciences, Chemistry Department,
14280, Bolu, Turkey
Keywords: X-Ray Diffraction of Pb2Sr2CaCu3-ySx, solid-gas reactions, sullfidizing reactions,
substitution reactions, conductivity of sulphides
Abstract.
It is known that rock salt structures have monoclinic superstructure for complex sulfides.
Solid State Chemistry, 80 (1989), p.75 [9] M.
Solid State Chemistry, 85 (1990), p. 283 [10] A.I.
Wells: Structural Inorganic Chemistry, Fifth Ed., (Clanderon Press, Oxford, 1984).
It is known that rock salt structures have monoclinic superstructure for complex sulfides.
Solid State Chemistry, 80 (1989), p.75 [9] M.
Solid State Chemistry, 85 (1990), p. 283 [10] A.I.
Wells: Structural Inorganic Chemistry, Fifth Ed., (Clanderon Press, Oxford, 1984).
Online since: September 2016
Authors: Els Kesters, Quoc Toan Le, Makonnen Payne, Frank Holsteyns, Steven Lippy, Ruben R. Lieten, Gayle Murdoch, Victor V. Gonzalez
In both cases, a two-minute deionized water (DIW) rinse, three-minute IPA rinse and N2 blow dry is performed after exposure to the process chemistry.
To assess the performance on patterned structures, a 45 nm ½ pitch test structure was used.
It was determined that as the feature size decreased, the need for a chemistry increased, where on the 32 nm lines of each wafer tested had parity performance.
Schematics show the test structure after dry etching, PERR cleaning, metallization, CMP and capping.
Figure 4: Electrical results for TitanKlean® 9C using a 45nm pitch test structure with CD lines of 22 nm and more.
To assess the performance on patterned structures, a 45 nm ½ pitch test structure was used.
It was determined that as the feature size decreased, the need for a chemistry increased, where on the 32 nm lines of each wafer tested had parity performance.
Schematics show the test structure after dry etching, PERR cleaning, metallization, CMP and capping.
Figure 4: Electrical results for TitanKlean® 9C using a 45nm pitch test structure with CD lines of 22 nm and more.