Hans von Pechmann

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Hans von Pechmann

German chemist

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major industrial polymers
Polyethylene (PE)
In 1899 a German chemist, Hans von Pechmann, observed the formation of a white precipitate during the autodecomposition of diazomethane in ether. In 1900 this compound was identified by the German chemists Eugen Bamberger and Friedrich Tschirner as polymethylene ([CH₂]_n), a polymer that is virtually identical to polyethylene. In 1935…
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In 1899 a German chemist, Hans von Pechmann, observed the formation of a white precipitate during the autodecomposition of diazomethane in ether. In 1900 this compound was identified by the German chemists Eugen Bamberger and Friedrich Tschirner as polymethylene ([CH₂]_n), a polymer that is virtually identical to polyethylene. In 1935…
Read More