POLYMERIC MATERIALS

Polyetheretherketone (PEEK) or polyetherketone (PEK) wherein the difference between the nucleation temperature (Tn) and the glass transition temperature (Tg) of said polymeric material is greater than 23°C, the PEEK or PEK having a Melt Viscosity (MV) in the range 0.08 to 1.0 kNsm -2 and wherein for...

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Bibliographic Details
Main Authors WILSON, Brian, PERCY, Michael John, GRASMEDER, John Russell, GRANT, Simon Jonathan
Format Patent
LanguageEnglish
French
German
Published 22.03.2017
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Polyetheretherketone (PEEK) or polyetherketone (PEK) wherein the difference between the nucleation temperature (Tn) and the glass transition temperature (Tg) of said polymeric material is greater than 23°C, the PEEK or PEK having a Melt Viscosity (MV) in the range 0.08 to 1.0 kNsm -2 and wherein for PEEK, log 10 (Melt Flow Index) is greater than (-3.2218x + 2.3327) wherein x represents the MV in kNsm -2 of the PEEK and for PEK log 10 (Melt Flow Index) is greater than (-2.539y + 2.4229) wherein y represents the MV in kNsm -2 of the PEK.
Bibliography:Application Number: EP20160192277