Menetelmä hyvin reaktiivisten vesipohjaisten sideaineiden valmistamiseksi hienonnettua luonnonpuuta olevia puumateriaaleja varten

Prodn. of aq. highly reactive binders for wood particles is characterised in that mixing of the two components, (A) and (B) (see below), takes place at most 96 hrs. before application of the binder to the particles. (A) 67-85 wt.% aq. soln. of a 25-35 mol.% PhOH/65-76 mol.% HCHO/0-2 mol.% phenol der...

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Hauptverfasser: SCHATZ, HERMANN, LEHNERT, HEINZ, MATTHIAS, GUENTHER
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LEHNERT, HEINZ
MATTHIAS, GUENTHER
description Prodn. of aq. highly reactive binders for wood particles is characterised in that mixing of the two components, (A) and (B) (see below), takes place at most 96 hrs. before application of the binder to the particles. (A) 67-85 wt.% aq. soln. of a 25-35 mol.% PhOH/65-76 mol.% HCHO/0-2 mol.% phenol deriv. condensn. resin, the soln. having 40-55 wt.% solids content and a viscosity of 0.5-5 Pa.s (20 degrees C; 48 wt.% solids) and contg. 0.8-1.5 mol equiv. (based on PhOH and phenol deriv.) of an alkali hydroxide; and (B) 5-33 wt.% urea as aq. soln. or solid.
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identifier
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language fin ; swe
recordid cdi_epo_espacenet_FI951264A
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
NAILING OR STAPLING MACHINES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
WORKING VENEER OR PLYWOOD
title Menetelmä hyvin reaktiivisten vesipohjaisten sideaineiden valmistamiseksi hienonnettua luonnonpuuta olevia puumateriaaleja varten
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