THERMOPLASTICALLY PROCESSIBLE AMINOPLASTIC RESIN, THERMOSET MICROFIBRE NON-WOVENS, AND PROCESS AND PLANT FOR THEIR PRODUCTION

The invention relates to a thermoplastically processible aminoplastic resin, to a process for production of these, and to a microfibre non-woven material as textile sheet composed of fibres composed of aminoplastic resins, in particular of thermoset triazine resins, which have an average fiber diame...

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Bibliographische Detailangaben
Hauptverfasser:	RIEDEL, BERND, PANZER, ULF, BUCKA, HARTMUT, GROSSALBER, MARKUS, MEISTER, FRANK, PFEIFFER, STEFFEN, SIGMUND, INA, MACHHERNDL, MARKUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS KNITTING LACE-MAKING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The invention relates to a thermoplastically processible aminoplastic resin, to a process for production of these, and to a microfibre non-woven material as textile sheet composed of fibres composed of aminoplastic resins, in particular of thermoset triazine resins, which have an average fiber diameter of from 0.1 to 100 micrometers and have from 1 to 1000 branches and from 1 to 300 branching points per square millimetre. The invention also relates to a process for the production of thermoset microfibre non-wovens by compressing a melt of a melamine resin through spinning dies and using a discharged stream of hot air to attenuate this to give microfibres, and separating the microfibres from the air stream, and depositing them to give a non-woven composed of a random layer, where this is followed by treatment with a medium that initiates crosslinking and by a neutralization step, and where, in a subsequent thermal post-treatment, the microfibres become self-bonding within the non-woven, and where the thermal post-treatment comprises two steps.