Polyoxymethylene (POM), also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. As with many other synthetic polymers, it is produced by different chemical firms with slightly different … See more Polyoxymethylene was discovered by Hermann Staudinger, a German chemist who received the 1953 Nobel Prize in Chemistry. He had studied the polymerization and structure of POM in the 1920s while … See more When supplied as extruded bar or sheet, POM may be machined using traditional methods such as turning, milling, drilling etc. These techniques are best employed where production … See more • Mechanical gears, sliding and guiding elements, housing parts, springs, chains, screws, nuts, fan wheels, pump parts, valve bodies. See more • Dalziel Hammick • Forensic engineering • Forensic polymer engineering • Paraformaldehyde See more Different manufacturing processes are used to produce the homopolymer and copolymer versions of POM. Homopolymer To make … See more POM is typically very difficult to bond, with the copolymer typically responding worse to conventional adhesives than the homopolymer. Special processes and treatments have … See more Acetal resins are sensitive to acid hydrolysis and oxidation by agents such as mineral acid and chlorine. POM homopolymer is … See more WebGood creep resistance. POM or Polyoxymethylene, also known as Polyacetal, is a thermoplastic polymer that exists in two forms: POM-H (homopolymer) and POM-C (copolymer). It is an opaque semi-crystalline material that is naturally white, but often dyed. The homopolymer (POM-H) is rigid, hard and with a very high creep resistance.

Polyoxymethylene – Wikipedia

WebBakelit und Bakelite sind Markenzeichen (Warenzeichen) für diverse frühe Kunststoffe, ursprünglich (ab 1909) der Bakelite GmbH in Deutschland, etwas später auch der Union … WebTECASON P Kunststoffe von Ensinger. Das Material PPSU (chemische Bezeichnung Polyphenylsulfon) wird von Ensinger in standardmäßigen Halbzeugen für die Weiterbearbeitung hergestellt und mit Radel® PPSU Polymer in Form von Platten und Rundstäben extrudiert. PPSU Kunststoff ist ein amorpher Werkstoff mit einer hohen … porter harvard business school

Die quantitative Bedeutung der chemischen Formel - Springer

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