Process for the production of backing materials

The invention relates to a process for the production of backing materials for fabrics impregnated or coated with plastic materials by the Mali technique using glass fibres, in particular for bitumen reinforcement. The aim of the invention is to produce fabrics made of glass fibres as backing materi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MOMBERG, HEINZ, WIEDEMANN, GOTTFRIED, DR., DDR 8027 DRESDEN, DD, FRENZEL, HORST., DDR 8020 DRESDEN, DD, PREISSLER, BERND., DDR 7260 OSCHATZ, DD, SCHUBERT, FRED, DDR 6401 HASELBACH, DD, ODER, ERICH, TROMPELT, REGINA, FOENIGER, PETRA
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING LOOMS METHODS OF WEAVING TEXTILES TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL WEAVING WOVEN FABRICS
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Beschreibung
Zusammenfassung:	The invention relates to a process for the production of backing materials for fabrics impregnated or coated with plastic materials by the Mali technique using glass fibres, in particular for bitumen reinforcement. The aim of the invention is to produce fabrics made of glass fibres as backing material by a productive process and to employ them for bitumen reinforcement. The invention is based on the object of employing materials having improved wetting properties compared to fluid polymers in stitch-bonded materials made of glass fibres. According to the invention, the object is achieved by preparing stitch-bonded materials, a glass fibre thread, for example a glass fibre ribbon, being used as warp material and a glass silk thread being used as weft material, which are needled with a man-made silk or glass silk thread. After treatment with a polyvinyl acetate dispersion containing hydrophobising agent, the stitch-bonded material is impregnated with bitumen.