Conducting polypyrrole and polypyrrole/manganese dioxide composites prepared with a solid sacrificial oxidant of pyrrole. (Record no. 52821)

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fixed length control field 01838nam a2200277Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625162417.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18675
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245 10 - TITLE STATEMENT
Title Conducting polypyrrole and polypyrrole/manganese dioxide composites prepared with a solid sacrificial oxidant of pyrrole.
490 0# - SERIES STATEMENT
Volume/sequential designation Synthetic Metals, 278, p.116807, 2021
520 3# - SUMMARY, ETC.
Summary, etc. Polypyrrole was prepared by the oxidation of pyrrole with solid manganese dioxide. The present study concerns the chemistry of this process rather than materials properties of the products. The oxidant alone is insoluble in aqueous medium but the reductive dissolution takes place in the presence of pyrrole. Polypyrrole is the exclusive product below the stoichiometric mole ratio [MnO2]/[pyrrole]= 1.25, and polypyrrole/manganese dioxide composites result at higher ratios. Unlike with iron(III)chloride where protons are generated during the oxidation of pyrrole, with manganese dioxide they are consumed and water is a by-product. The sufficient acidity of the reaction medium is thus needed in order to obtain conducting materials. The presence of organic dyes in the preparation of polypyrrole improved the conductivity. One-dimensional morphology of polypyrrole was observed when methyl orange was introduced to the reaction mixture.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CONDUCTING POLYMER
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element POLYPYRROLE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MANGANESE DIOXIDE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MNO2
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ORGANIC DYES
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Sapurina, I.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Bubulinca, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Trchová, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Prokes, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Stejskal, J.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/11JPk2YRyqIZMc0eFGOwDAhPaxG9StQGR/view?usp=drivesdk">https://drive.google.com/file/d/11JPk2YRyqIZMc0eFGOwDAhPaxG9StQGR/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18675 25.06.2025 25.06.2025 Documentos solicitados