Umwandlung in Polymer - определение. Что такое Umwandlung in Polymer
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Что (кто) такое Umwandlung in Polymer - определение

IRC in Polymer Science and Technology

Conductive polymer         
  • polyphenylene sulfide]] (X = S).
POLYMERIC CHEMICAL SUBSTANCE WHICH INTRINSICALLY CONDUCTS ELECTRICITY
Conducting polymers; Conducting polymer; Conductive polymers; Intrinsically conductive polymers; Metallic polymer; Electrical polymer
Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity.Conducting Polymers, Editor: Toribio Fernandez Otero, Royal Society of Chemistry, Cambridge 2016, https://pubs.
Polymer capacitor         
  • OS-CON capacitors with solid TCNQ electrolyte had a typical lilac insulation sleeve
  • Basic principle of anodic oxidation (forming), in which, by applying a voltage with a current source, an oxide layer is formed on a metallic anode
  • Typical capacitance capacitor as a function of temperature for a polymer Al-e-cap and two non-solid Al-e-caps
  • Cross-sectional view of the capacitive cell of a hybrid polymer aluminum capacitor, polymer electrolyte in the pores of the aluminum foils and liquid electrolyte as the electrical connection between the polymer layers.
  • Conductivities of some electrolytes
  • Series-equivalent circuit model of an electrolytic capacitor
  •  [[Bathtub curve]] with times of "early failures", "random failures", and "wear-out failures". The time of random failures is the time of constant failure rate
  • solid, polymer}}
  • The multi-anode construction has several sintered tantalum anodes which are connected in parallel, whereby both ESR and ESL will be reduced.
  • Structural formula of PEDOT
  • A dielectric material is placed between two conducting plates (electrodes), each of area '''''A''''', and with a separation of '''''d'''''.
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  • Cylindrical (wound) polymer aluminium electrolytic capacitors
  • Typical impedance characteristics over the frequency for 100 µF e-caps with different electrolytes compared with a 100 µF class-2 MLCC [[ceramic capacitor]].
  • Structural formula of [[polypyrrole]], doped with [[p-Toluenesulfonic acid]]
  • Structural formula of PEDOT:PSS
  • For a sudden power demand of a subsequent circuit, the supply voltage drops by ESL, ESR and capacitance charge loss
  • Pyrrole can be polymerized electrochemically to control the rate of polymerizion.<ref name=RussChemRev />
  • Relation between rated voltage U<sub>R</sub> and category voltage U<sub>C</sub>  and rated temperature T<sub>R</sub> and category temperature T<sub>C</sub>
  •  After application of a voltage at weakened spots in the oxide of the capacitor a localized higher leakage current is formed, which leads to a local heating of the polymer, whereby the polymer either oxidized and becomes highly resistive or evaporates.
  • In the "face-down" construction of tantalum chip capacitors, the internal current path is constructively reduced, which reduce the parasitic impedance (ESL) with the result, that the resonance shifts to higher frequencies. Simply said, the capacitor gets "faster"
  •  Structural formula of TCNQ
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SOLID CONDUCTIVE ELECTROLYTE
OS-CON; Solid state capacitor; Solid-state capacitor; Polymer electrolytic; Solid Capacitor
A polymer capacitor, or more accurately a polymer electrolytic capacitor, is an electrolytic capacitor (e-cap) with a solid conductive polymer electrolyte. There are four different types:
polymer         
  • Alternierendes Copolymer
  • 240px
  • Blockcopolymer
  • Chlorine attack of acetal resin plumbing joint
  • Microstructure of part of a DNA [[double helix]] biopolymer
  • Gradientcopolymer
  • Pfropfcopolymer
  • 100px
  • s2cid=219539020}}</ref>
  • 240px
  • Phase diagram of the typical mixing behavior of weakly interacting polymer solutions, showing [[spinodal]] curves and [[binodal]] coexistence curves
  • 180px
  • 200px
  • center
  • A plastic item with thirty years of exposure to heat and cold, brake fluid, and sunlight. Notice the discoloration, swelling, and [[crazing]] of the material
  • center
  • upright=0.45
  • 180px
  • Branch point in a polymer
  • Cartoon schematic of polymer molecules
  • 440x440px
  • 140px
  • 250px
  • 130px
  • 130px
  • 150px
  • 130px
  • 270px
  • 130px
  • center
  • 180px
  • necked]] under tension
  • Statistisches Copolymer
  • 100px
  • Structure of a [[styrene-butadiene]] chain, from a molecular simulation
  • frame
  • center
  • 280px
  • Thermal transitions in '''(A)''' amorphous and '''(B)''' semicrystalline polymers, represented as traces from [[differential scanning calorimetry]]. As the temperature increases, both amorphous and semicrystalline polymers go through the [[glass transition]] (''T''<sub>g</sub>). Amorphous polymers '''(A)''' do not exhibit other phase transitions, though semicrystalline polymers '''(B)''' undergo crystallization and melting (at temperatures ''T''<sub>c</sub> and ''T''<sub>m</sub>, respectively).
  • 200px
SUBSTANCE COMPOSED OF MACROMOLECULES WITH REPEATING STRUCTURAL UNITS
Polymers; Polymer chain; Homopolymer; Polymeric; Organic polymer; Homopolymeric; Organic polymers; Long chain molecule; Long chain; Polymeric chains; Organic Polymer; Polymer technology; Polymer chains; Homopolymerization; Polymer main chain; Linear polymer; Polymer molecule; Space polymer
(polymers)
A polymer is a chemical compound with large molecules made of many smaller molecules of the same kind. Some polymers exist naturally and others are produced in laboratories and factories.
N-COUNT

Википедия

Polymer Interdisciplinary Research Centre

The Interdisciplinary Research Centre in Polymer Science and Technology is a consortium of research groups, formed in 1989 from the Universities of Durham, Leeds and Bradford, all of whom are involved research in polymer science and technology. The University of Sheffield joined in 2004. The Polymer IRC has complementary expertise in polymer chemistry, physics and processing with research programmes covering a wide range of multi-disciplinary polymer science and technology.

Research programmes in the Polymer IRC are funded by grants from government bodies, in particular the Engineering and Physical Sciences Research Council and industry.

From 2011 the Polymer IRC has been centred at the extensive polymer engineering laboratories at the University of Bradford, Polymer IRC with further interdisciplinary research in polymers with pharmaceuticals, and, since 2015, materials chemistry. From 2009, a substantial Science Bridges China programme in Advanced Materials for Healthcare with leading Chinese universities began, which has led to three joint international research laboratories and many early career researcher exchanges Science Bridges China.