METHOD FOR THE PRODUCTION OF POLYSULFONES, AND POLYSULFONES

World Intellectual Property Organization Patent

APP PUB NO WO-2013167252-A1
SERIAL NO

PCTEP2013001311

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Abstract

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The invention relates to an improved method for producing polysulfones, in particular polyethersulfones (PES) and polyphenylene sulfones (PPSU), where N-methylpyrrolidone (NMP) or/and N-ethylpyrrolidone (NEP) is/are used as a solvent/as solvents. The invention also relates to the obtained polysulfones that have a higher glass transition temperature, molded articles produced therefrom, and uses thereof.

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Patent Owner(s)

Patent OwnerAddress
EMS PATENT AGCHREICHENAUERSTRASSE DOMAT/EMS 7013

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Inventor(s)

Inventor Name Address
LIEDLOFF HANNS-JOERG DOMAT/EMS
DUEBON PIERRE 7000 CHUR
BAYER ANDREAS DOMAT/EMS

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