polymers rubbers fats oils and waxes
BIORELATED POLYMERS Sustainable Polymer Science and Technology pot
... The Netherlands ROBERT VAN TUIL, ATO, Department of Polymers, Composites and Additives, P.O.Box 17, 6700 AA, Wageningen, The Netherlands ERICK J VANDAMME, Department of Biochemical and Microbial ... Renewable Resources, Department Polymers, Composites and Addtives, P.O Box 17, NL-6700 AA Wageningen, The Netherlands JAAP VAN HEEMST, ATO, Department of Polymers, Composites and Additives, P.O.Box 17, ... Biomedical polymers: sustainable polymer science and technology/edited by Emo Chiellini [et al.] p cm Includes bibliographical references and index ISBN 0-306-46652-X Biopolymers—Biotechnology Polymers Biodegradation...
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asphaltenes, heavy oils, and petroleomics
... dedicated to all those scientists and technologists who have and will become enthralled and enchanted by the wiles of the asphaltenes and heavy oils, and to the families and friends of our fold who ... mineralogy such as going from Petroleomics and Structure–Function Relations of Crude Oils and Asphaltenes shale to sandstone, a change in cementation, grain size and/ or shape, changes in clay content ... heavy oil), corrosive tendencies, acid and base numbers and perhaps even commingling phase Petroleomics and Structure–Function Relations of Crude Oils and Asphaltenes 15 stability Matricies would...
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Methods to access quality and stability of oils and fat containing foods
... R., and Kaneda, T 1984 J Am Oil Chem Soc 61:781 29 Welsh, W.A., Bogdanor, J.M., and Toeneboehn, G.J “Silica Refining of Oils and Fats, ” in Edible Fats and Oils Processing: Basic Principles and ... Historical Glimpses of Analytical and Quality Assessment Methods for Fats and Oils H.J Dutton Factors Affecting Oil Quality and Stability T.H Smouse Sensory Analyses of Oils and Fat-Containing Foods Chapter ... production facility Fats and oils have been a major caloric source of the human race since its beginning As prosperity increases and countries develop, the consumption of fats and oils increase Today,...
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mechanical properties of polymers based on nanostructure and morphology, 2005, p.738
... Donald G LeGrand and John T Bendler Handbook of Polyethylene: Structures, Properties, and Applications, Andrew J Peacock Polymer and Composite Rheology: Second Edition, Revised and Expanded, Rakesh ... Revised and Expanded, Manas Chanda and Salil K Roy Handbook of Radical Vinyl Polymerization, edited by Munmaya K Mishra and Yusef Yagci Photonic Polymer Systems: Fundamentals, Methods, and Applications, ... Technology Handbook, Manas Chanda and Salil K Roy Reaction Injection Molding Machinery and Processes, F Melvin Sweeney Practical Thermoforming: Principles and Applications, John Florian Injection and...
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SMART POLYMERS Applications in Biotechnology and Biomedicine .Second Edition docx
... from Smart Polymers 269 Oguz Okay 10 Smart Boronate-Containing Copolymers and Gels at Solid–Liquid Interfaces, Cell Membranes, and Tissues 299 Alexander E Ivanov, Igor Yu Galaev, and Bo Mattiasson ... Smart Polymers: Applications in Biotechnology and Biomedicine changes of macromolecules (polymers and biopolymers) in the course of phase transitions 1.3.1.4 Zimm Plots Putting Equations 1.8 and ... solutions of smart polymers, biopolymers, their aggregates, and their gels, depending on their origin, modifications, immobilized ligands, conditions of preparation and utilization, and surrounding...
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Electrical switching and memory effects in electroactive polymers containing electron donor and acceptor moieties
... plastics, texiles and metal foils (Stikeman, 2002) In recent works on polymer memory devices, polymers were employed as polyelectrolytes (Möller et al., 2003; Bandyopadhyay and Pal, 2003) and as matrices ... the Monomers and Polymers 131 5.2.4 Fabrication and Characterization of the Memory Devices 134 5.3 Results and Discussion 135 5.3.1 Characterizations of the Azo Polymers ... chemical, mechanical and morphological characteristics, have been designed These polymers include functional polyimides, polyfluorene copolymers, azobenzene-containing polymers and graphene oxide...
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Interactions of viologens with conducting polymers, metal salt solutions and glucose oxidase
... unoccupied band is called the conduction band and the highest occupied one the valence band The energy spacing between the highest occupied and the lowest unoccupied band is called the band gap In ... water for 3h ((g) and (h)) xii List of Figures Figure 4.3 SEM and AFM images of (a) and (d) doped PANI-LDPE film, (b) and (e) the film after sputtering with FEP for 100s, and (c) and (f) the FEP ... copolymerized and viologen-graft modified LDPE film Surface composition and Rs of PANI-VBC and PANI-viologen films Table 3.3 Surface composition of NA and LM-coated films before irradiation and after 90 and...
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Describing large deformation of polymers at quasi static and high strain rates
... proposed by Green and Rivlin, Coleman and Noll, and then by Pipkin and Wang (Coleman and Noll, 1961; Green and Rivlin, 1957; Pipkin, 1964; Wang, 1965) Later, books by Lockett, Findley and Carreau discussed ... Boltzmann, and Kelvin studied and experimented with the creep and recovery of glasses, metals, and rubbers Viscoelasticity was further examined in the late twentieth century, when synthetic polymers ... mechanical properties of polymers are of considerable interest and attention, because many products and components are subjected to impacts and shocks and need to accommodate these and the energies involved...
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EFFECTS OF SPILLED AND STRANDED OILS ON SEAWATER INFILTRATION AND MACROBENTHIC COMMUNITY IN TIDAL FLATS
... nitrogen (a) and phosphorus (b) concentrations in seawater before and after the oil spill in the O and C simulators (NO2+NO3)-N and PO4-P concentrations ranged from 0.1 to 1.1 µg-at N l-1 and from ... from 1760 to 6784 m-2 and dominant species were Polychaeta (Lee, 1998) As shown above, DIN and DIP concentrations in seawater and chlorophyll-a concentrations in seawater and sediment in the C ... at day 23 and 58 in the C and O simulators Fig.8 shows infiltration rate of seawater by tidal action both in the C and O simulators The infiltration rates of sweater at day 23 in the C and O simulators...
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Biodegradable Dendrimers and Dendritic Polymers
... relation of biodegradability and biocompatibility, and its biological implications Tomalia and Newkome et al introduced well-defined and highly branched dendrimers [5, 15], and almost a decade later, ... Biodegradable Dendrimers and Dendritic Polymers 43 Dharap, S.S., Wang, Y., Chandna, P., 44 45 46 47 48 49 50 51 Khandare, J.J., Qiu, B., Gunaseelan, S., Stein, S., Farmanfarmaian, A., and Minko, T (2005) ... biodegradation and their biological implications 10.2.1 Is Biodegradation a Critical Measure of Biocompatibility? In the past, many polymers have been proven clinically safe For example, PEG and PLGA polymers...
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Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers
... with authentic PEG standards (Figure 12.3) Figure 12.4 shows HPLC profiles of PEG before and after cultivation of microbial consortium E-1 based on the HPLC outputs and the PEG standards 12.3.4 Numerical ... before and after 5-day cultivation, and the transition of the weight distribution based on the initial value problems (12.6) and (12.2) with σ(t ) = eat+b, a ≈ 1.136176, b = ln{aΤ1 / (eaT1 − 1)}, and ... g (M ) (12.28) 297 298 12 Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers Equation (12.26) and the conditions (12.27) and (12.28) form an inverse problem...
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Oxo-biodegradable Polymers Present Status and Future Perspectives
... initiation and control, in Biodegradable Plastics and Polymers (eds K Doi and R Fukuda), Elsevier, Amsterdam, pp 79–91 28 Jakubowicz, I (2003) Polym Degrad Stab., 80, 39–43 29 Weiland, M., Daro, A., and ... Haines, J.R and Alexander, M (1974) Appl Environ Microbiol., 28, 1084–1085 Heat, D.J., Lewis, C.A., and Rowland, S.J (1997) Org Geochem., 26, 769–785 Albertsson, A.-C., Andersson, S.O., and Karlsson, ... eco-compatible products and applications References Guillet, J.E (1995) Plastics and the environment, in Degradable Polymers: Principles and Applications, (eds G Scott and D Gilead), Chapman &...
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Tài liệu ORGANIC CHEMICALS AND POLYMERS pdf
... 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 ... 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 ... 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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Đề tài " Branched polymers and dimensional reduction " pptx
... Branched polymers and dimensional reduction By David C Brydges and John Z Imbrie* Abstract We establish an exact relation between self-avoiding branched polymers in D + continuum dimensions and the ... self-avoiding loops and vesicles [Car01] depend on a reduction of branched polymers to the zerodimensional iϕ3 theory BRANCHED POLYMERS AND DIMENSIONAL REDUCTION 1029 Our Theorems 1.1 and 1.3 provide ... configurations available to dimers and trimers is indeed π, 4π /3, respectively, in d = and 2π, 6π , respectively, in d = For larger values of N , BRANCHED POLYMERS AND DIMENSIONAL REDUCTION 1023...
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Characterization and Authentication of Olive and Other Vegetable Oils pptx
... Aceite de la Comunitat Valenciana Aceite de Madrid Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Andalucía Extremadura Extremadura Castilla-La ... phosphatidylinositol and phosphatidylserine (Alter and Gutfinger 1982; Boskou 2002) Waxes These compounds are esters of fatty alcohols with fatty acids The main waxes detected in olive oils have a high and even ... pheophytin a and pheophytin b have been also reported in fresh oils (Miguez-Mosquera et al 1990) Volatile and aromatic compounds They are responsible of the aroma and flavor of virgin olive oils There...
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Mechanical properties of solid polymers Constitutive modelling of long and short term behaviour pptx
... dependence, and temperature and stress dependence Not only the momentary values of temperature and stress are relevant, but the entire prior history is (i.e stress and temperature during processing and ... Relaxation processes and physical aging, In: R.N Haward and R.J Young, Eds., The Physics of Glassy Polymers, Chapman & Hall Nakayasu, H., Markovitz, H and Plazek, D.J (1961) The frequency and temperature ... both its stress and strain form: t σ (t) = −∞ E(ψ − ψ )ε(t )dt and ε(t) = ˙ t −∞ D (ψ − ψ )σ (t )dt ˙ (2.17) where ψ= t −∞ dt and ψ = aσ [σ (t )] t −∞ dt aσ [σ (t )] and E(t) and D (t) are the...
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Dendrimers and Other Dendritic Polymers pot
... Processing Polymers Division, 224/B210 National Institute of Standards and Technology Gaithersburg, MD 20899-8542 USA Barry J Bauer National Institute of Standards and Technology, Polymers Division, ... Gauthier and D A Tomalia Dendritic Polymers: Hyperbranched, Dendrigrafts and Dendrimers Synthetic Routes to Dendrigraft Polymers Systems with Randomly Distributed ... Dendritic Polymers 197 E Malmstrom and A Hult ¨ Introduction Random Hyperbranched Polymers Condensation Strategies to Hyperbranched Polymers —...
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What is known about the effectiveness of economic instruments to reduce consumption of foods high in saturated fats and other energy-dense foods for preventing and treating obesity? docx
... were: -0.54 and -0.25 for rice, -0.54 and -0.35 for wheat flour, -0.09 and -0.03 for coarse grains, -0.96 and -0.33 for pork, -0.03 and -0.40 for eggs, and -0.39 and -0.47 for edible oils Overall ... on all fats, a tax on saturated fats, a tax on added sugar and subsidies on fibres For most consumers, a tax on fats (whether all fats or saturated fats) would reduce total energy intake and its ... participants were randomized into five groups including no treatment, standard behavioural treatment (SBT), SBT and food provision, SBT and incentives and SBT, food provision and incentives The...
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INTERACTIONS OF POLYMERS WITH FIBRILLAR STRUCTURE OF CELLULOSE FIBRES: A NEW APPROACH TO BONDING AND STRENGTH IN PAPER docx
... division between self-condensing resins (UF and MF resins) and hetero-crosslinking polymers, like PAE and glyoxal-, aldehyde-, and epoxide-functional polymers that also react with cellulose, is ... bonding and paper strength was adopted in order to explain the interactions between strength additives and fibres, and to understand the mechanisms of strength development and the influence of the polymers ... explain the interactions between strength additives and fibres and to understand the mechanisms of development of strength and the influence of the polymers applied This way of thinking emerged from...
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mechanical properties of polymers and composites nielsen doc
... properties of polymers and composites / Lawrence E Nielsen Robert F Landel — 2nd ed., rev and expanded p cm — (Mechanical engineering ; 90) Includes bibliographical references and index ISBN ... Common Polymers Conversion Factors for Moduli, Stress, and Viscosity Glass Transition Temperatures and Melting Points of Polymers Relations Between Engineering Moduli and Tensor Moduli and Tensor ... and folding which are possible within and between lamellae and between ribbon surfaces In real, well-crystallized polymers, these variations he relatively far apart and the forms SC" CF, SB and...
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