METHOD FOR FILTERING SUBSTRATE MATERIALS

The invention relates to a method for filtering polycarbonate, characterized in that the polycarbonate melt having an average molecular weight (weight-average) of 14.000 to 30.000 g/mol is filtered through at least one metal nonwoven having a thickness ranging from 5 mm to 1 mm and comprising two or...

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Main Authors HAESE WILFRIED, RUYTINX BERT, MEYER ALEXANDER, NIETZWETZKI BERNHARD, MELLIS RAINER, KARBACH ALEXANDER, EBERT WOLFGANG
Format Patent
LanguageEnglish
Korean
Published 01.09.2009
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Abstract The invention relates to a method for filtering polycarbonate, characterized in that the polycarbonate melt having an average molecular weight (weight-average) of 14.000 to 30.000 g/mol is filtered through at least one metal nonwoven having a thickness ranging from 5 mm to 1 mm and comprising two or more layers, at least one layer having a thickness ranging from 0,05 to 0,2 mm and a pore size from 1 to 10 μm.
AbstractList The invention relates to a method for filtering polycarbonate, characterized in that the polycarbonate melt having an average molecular weight (weight-average) of 14.000 to 30.000 g/mol is filtered through at least one metal nonwoven having a thickness ranging from 5 mm to 1 mm and comprising two or more layers, at least one layer having a thickness ranging from 0,05 to 0,2 mm and a pore size from 1 to 10 μm.
Author HAESE WILFRIED
MELLIS RAINER
NIETZWETZKI BERNHARD
KARBACH ALEXANDER
MEYER ALEXANDER
RUYTINX BERT
EBERT WOLFGANG
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– fullname: NIETZWETZKI BERNHARD
– fullname: MELLIS RAINER
– fullname: KARBACH ALEXANDER
– fullname: EBERT WOLFGANG
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Snippet The invention relates to a method for filtering polycarbonate, characterized in that the polycarbonate melt having an average molecular weight (weight-average)...
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SubjectTerms AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Title METHOD FOR FILTERING SUBSTRATE MATERIALS
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