alkali surfactant and polymer
Tài liệu Chapter 7: Dimerization, oligomerization and polymerization of alkenes and alkynes pptx
Ngày tải lên :
23/12/2013, 07:19
... oligomerization and polymerization of alkenes and alkynes 7.4 247 Alkyne reactions Oligomerization and polymerization of terminal alkynes may provide materials with interesting conductivity and (nonlinear) ... Areneethynylene polymers can be prepared in the palladium-catalysed copolymerization of diiodoarenes and acetylene gas in an aqueous medium Dimerization, oligomerization and polymerization of alkenes and ... with hexane, and the aqueous sulfolane phase with the rest of the products, the catalyst and the ammonium bicarbonate is Dimerization, oligomerization and polymerization of alkenes and alkynes...
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Tài liệu ORGANIC CHEMICALS AND POLYMERS pdf
Ngày tải lên :
14/02/2014, 08:20
... Spheripol® process for the production of polypropylene homopolymers plus random and heterophasic copolymers Bulk polymerisation of polypropylene and novel polyolefins In 2005 Uhde signed a contract ... 18 4.5 Polyester PET 20 4.6 Polyamide and special polymers 22 Organic chemicals and polymers Plastics have become an indispensable material in everyday life and are used in a wide variety of technical ... Fibres, films, bottles, medical applications Caustic soda Hydrogen Polymers Other chemical fields Polymers Polypropylene Homopolymers Copolymers Polyethylene High-density polyethylene (HDPE) Medium-density...
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A COMPARATIVE STUDY OF THE DIAGNOSIS OF PULMONARY TUBERCULOSIS USING CONVENTIONAL TOOLS AND POLYMERASE CHAIN REACTION* pot
Ngày tải lên :
06/03/2014, 04:20
... 0.25nmoles of forward and reverse primers, 2mM final concentration of dNTP, 1.5 U of Taq polymerase in 1X buffer and proteinase K digested sample The sequence of the forward and reverse primers ... These cases were as follows, two each of asthma, pneumonia and cancer lung, one each of post CABG, COPD and lung abscess and 12 with cough and cold All samples from these individuals had tested negative ... like to thank Dr A K Chakraborty and the anonymous reviewers for comments and suggestions on the manuscript, Dr N S Deodhar for comments and suggestion on the work and Drs Anil Ravetkar, former...
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emulsification and polymerization of alkyd resins
Ngày tải lên :
11/03/2014, 23:41
... systems generated by emulsion polymerization and emulsion polymerization and emulsification is critical For example, Vanderhoff (1970) and Vanderhoff, Vanderhul, Tausk, and Overbeek (1970) reported ... liquids: microdomains occur in block and graft copolymer (Hefland, 1975; Hefland and Wasserman 1977) Little and Singleterry (1964, 1970 and 1975) used Hildebrand parameters, pointing out that the ... portion of the surfactant and of water with the hydrophilic portion They used Hansen parameters (Hansen and Skaarup, 1967), and for situations where and match for oil/lipophile and for water/hydrophile,...
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Early surfactant administration with brief ventilation vs. selective surfactant and continued mechanical ventilation for preterm infants with or at risk for respiratory distress syndrome (Review) ppt
Ngày tải lên :
24/03/2014, 05:20
... difference between early surfactant and rapid extubation and later selective surfactant groups Early surfactant administration with brief ventilation vs selective surfactant and continued mechanical ... 0.45) An early surfactant therapy strategy results in a greater number of infants receiving surfactant and so more infants being exposed to the potential risks of intubation and surfactant administration ... study group (Dambeanu 1997) The So 1994 and Tooley 2003 studies were excluded because patients received non-random administration of surfactant and were then randomized to rapid extubation or continued...
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nmr spectra of polymers and polymer additives
Ngày tải lên :
01/06/2014, 10:11
... polyethylene and ethylene copolymers and derivatives; (B) polypropylene and propylene copolymers and derivatives; and (C) polymers and copolymers based on other 1-olefins Many of these polymers, ... II.B.3— Polymers and Copolymers of Other 1-Olefins There are also commercially available homopolymers and copolymers made from higher 1-alkenes, such as 1butene, 3-methyl-1-propene (isobutylene), and ... Industrial Polymers Munich: Hanser Publishers, 1993 J Brandrup and E H Immergut Polymer Handbook New York: Wiley, 1975 J C Randall J Macromol Sci Rev Macromol Chem Phys C29:201, 1989 E Breitmaier and...
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Báo cáo y học: "What is the role of surfactant and inhaled nitric oxide in lung transplantation" pps
Ngày tải lên :
12/08/2014, 18:21
... preservation of the graft, ischaemia and reperfusion Therefore, substitution of surfactant may bridge the patient to recovery of the graft The combination of iNO and surfactant proved to be successful ... centres abandoned the Euro-Collins technique and started to use LPD or other extracellular solutions instead A lesser incidence as well as lesser severity of ischaemia/reperfusion injury and a reduction ... more effectively than does either intervention alone, and that it reduces inactivation of surfactant substitutes In summary, we emphasize that surfactant function should be considered when a preservation...
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Numerical studies on collective motion and polymer statistics
Ngày tải lên :
09/09/2015, 08:17
... fluids and try to understand the flow field generated by micro swimmers The second part of the thesis deals with polymer statistics Polymers are chains made up with repeating units For example, polymers ... hydrodynamic forces and try to understand the fluid particle interactions Chapter then studies a single polymer statistics We will review some famous existing polymer models and then focus on the ... obviously linear and we can see that ψ1 and ψ2 can be solved separately, with the right hand side of (2.2.64) being − sin φ sin θMΩ and cos φ sin θMΩ respectively With the right hand side fixed,...
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Binary metal oxide and polymer based liquid repellent self cleaning surfaces
Ngày tải lên :
09/09/2015, 11:14
... Murugan, Dr Venugopal and Dr Molamma for teaching me new scientific concepts and polymer chemistry The knowledge that I imparted from them helped me to formulate new ideas and assisted me to advance ... excellent guidance and valuable advice in scientific discussions and furthermore, spending his time in showing and explaining the entire process involved in the fabrication and installations of ... beloved parents and my lovely brother Without my parents’ blessings and moral support, I don’t think I could have completed my PhD Studies Thank you mom and dad!!! I love you and am forever indebted...
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Well defined silica polymer core shell hybrids and polymer hollow structures synthesis, characterization and application
Ngày tải lên :
10/09/2015, 08:40
... SILICA -POLYMER CORE-SHELL HYBRIDS AND POLYMER HOLLOW STRUCTURES: SYNTHESIS, CHRACTERIZATION AND APPLICATIONS LI GUOLIANG M Sci., Polymer Chemistry and Physics Nankai University 2007 B Eng., Polymer ... synthesize hollow polymer micro- and nanospheres with novel morphology and functions via a combination of inorganic and polymer synthesis and optimize the applications of these hollow polymer structures ... microspheres, and (e) and (f) Ag@air@P(MAA-co-DVB)-click-PNIPAM hybrid microrattles Figure 5.22 XPS wide-scan and C 1s core-level spectra of the (a and b) Au@SiO2@P(MAA-co-DVB), and (c and d) Au@SiO2@P(MAA-co-DVB)-click-PEG...
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Synthesis and characterization of fluorene based oligomers and polymers
Ngày tải lên :
11/09/2015, 09:10
... of polymer P1 and P2 87 Table 3.2 The optical data and fluorescence quantum yields (both in chloroform solutions) of polymer P1 and P2 90 Table 3.3 The electrochemical data of the polymers P1 and ... polymer P1 and P2 Table 2.2 The optical data and fluorescence quantum yields 73 (both in chloroform solutions) of polymer P1 and P2 76 Table 2.3 The electrochemical data of the polymers P1 and P2 ... Introduction Conjugated polymers 1.1.1 Structure of conjugated polymer 1.1.2 Bandgap of conjugated polymers 1.1.3 Fluorecence from conjugated polymers 1.1 1.1.4 Application of conjugated polymers 12 1.2...
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Complexation, dynamics and rheology of vesicles and polymers
Ngày tải lên :
11/09/2015, 09:57
... Vesicles and Polymers 1.1 Phospholipid Vesicles 1.2 Polymers 1.3 Objectives and Significance of the Study 1.4 Thesis Organization 10 CHAPTER Materials and Methods 2.1 Phospholipids 11 2.2 Polymers ... performances 1.2 Polymers Water-soluble polymers have attracted great attention in research and industry for safety and environmental concerns The physicochemical properties of polymers can be ... The micelle shape and size depend on the copolymer concentration, block lengths, and temperature As a good candidate for drug delivery, these small micelles are relatively stable and thermosensitive...
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Synthesis and fabrication of nanostructional functional polymeric materials via plasma processes and polymer modification
Ngày tải lên :
14/09/2015, 08:27
... Research Objectives and Scope … …………… … Chapter Literature Survey ………… ………………….….….……… …… 2.1 2.2 Fluoropolymers and Plasma Polymerization …………………… 10 Polymer Modification and Fine Polymer Nanostructures ... LITERATURE SURVEY Chapter 2.1 Fluoropolymers and Plasma Polymerization 2.1.1 Applications of Plasma Polymerized Fluoropolymers Fluoropolymer nanostructures and nanopatterns have broad applications ... contributes to both the polymer- forming and polymer- degrading processes Plasma polymerization is therefore a balance between the polymer- forming and the ablation process, and the balance can shift...
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Sulfonic acid catalysts based on porous carbons and polymers
Ngày tải lên :
14/09/2015, 08:39
... Sulfonated Mesoporous Polymer Resins and Carbons 74 5.1 Introduction 74 5.2 Catalyst preparation 75 5.3 Characterization of sulfonated mesoporous polymers and carbons 75 ... silica, carbon and polymer materials with propylsulfonic acid, arenesulfonic acid, perfluorosulfonic acid and sulfonic acid groups Carbon in its chemical allotropes of graphite and diamond occurs ... oxygen, nitrogen, and sulfur both on its surfaces and within structural framework This leads to tunable physical and chemical properties Porous carbons such as activated carbons and carbon fibers...
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Aqueous phase behaviour of surfactant and its application in cloud point extraction
Ngày tải lên :
30/09/2015, 14:16
... Selected Nonionic Surfactants 2.4.1 Tergitol 15-S Series Surfactants Tergitol 15-S surfactants, such as Tergitol 15-S-7 and Tergitol 15-S-9 are biodegradable and fluidic Tergitol 15-S surfactants are ... Co (3.5) where Vsr and Vo are the volumes of the surfactant- rich phase and the bulk solution respectively; Cs and Co the concentrations of HOC in the surfactant- rich phase and the initial HOC ... separate into two immiscible phases; surfactant- rich phase which contains most of the surfactant, and excess water phase that is almost micelle-free and has surfactant only around its CMC at that...
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In vitro and in vivo evaluation of transferrin conjugated lipid shell and polymer core nanoparticles for targeted delivery of docetaxel
Ngày tải lên :
09/10/2015, 11:18
... synthesis and characterization of lipid shell and polymer core nanoparticles (LPNPs) are discussed in Chapter while the synthesis and characterization of transferrin conjugated lipid shell and polymer ... potential and drug encapsulation 49 efficiency of docetaxel-loaded lipid shell and polymer core nanoparticles Table 2: Size, polydispersity and zeta potential of docetaxel-loaded 60 PLGA/50-50 NPs and ... CHAPTER 3: SYNTHESIS AND CHARACTERIZATION OF LIPID SHELL 44 AND POLYMER CORE NANOPARTICLES 3.1 Introduction 44 3.2 Materials 45 3.3 Methods 45 3.3.1 Preparation of Lipid Shell and Polymer Core Nanoparticles...
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Physical effects of nano particles and polymer on vesicles
Ngày tải lên :
16/10/2015, 15:39
... such as plasma membranes and various organelle membranes, which mainly consist of complex polymers and lipids 19 2.4 Rheology Rheology is an important area of colloid and polymer science Materials ... synthetic surfactant vesicles investigated in drug delivery and targeting, medical imaging, catalysis, energy conversion, and separations In general, suspensions of self-assembled surfactant ... methods for determining the structural properties, both static and dynamic, in situ As a result, complex fluids of colloids, polymers and surfactant aggregates are commonly characterized by various...
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Phase behaviour and rheology of solutions of associative polymer and surfactant
Ngày tải lên :
12/09/2015, 08:18
... Introduction to Associative Polymers and Surfactants 1.1 Motivation for Study of Associative Polymers .1 1.2 Definition of an Associative Polymer .1 1.3 Interactions with Surfactants ... Chapter Introduction to Associative Polymers CHAPTER Introduction to Associative Polymers and Surfactants 1.1 Motivation for Study of Associative Polymers Water-soluble polymers are superior to solvent ... difficulty and workload in obtaining the compositions of each phase.13 An HMP /surfactant mixture may undergo an associative phase separation into a phase enriched in both the polymer and surfactant and...
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