Process for reducing the viscosity of tannin solution

Process for reducing the viscosity of tannin solution

The presence of large amounts of tannins in formaldehyde glues causes these glues to become very viscous and difficult to dispense by spraying. The addition of ligninsulphonates, for example in the form of sulphite waste liquors, leads to a reduction in the viscosity of these glues.

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Hauptverfasser: ROFFAEL,EDMONE, MIERTZSCH,HELMUT
Format: Patent
Sprache:eng ; ger
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CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator ROFFAEL,EDMONE
MIERTZSCH,HELMUT
description The presence of large amounts of tannins in formaldehyde glues causes these glues to become very viscous and difficult to dispense by spraying. The addition of ligninsulphonates, for example in the form of sulphite waste liquors, leads to a reduction in the viscosity of these glues.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Process for reducing the viscosity of tannin solution
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