RUBBER-REINFORCING POLYBENZAZOLE DIPPED CORD AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a rubber-reinforcing polybenzazole dipped cord in which the adhesive force between polybenzazole short fiber and rubber is increased dispersability with the rubber and can sufficiently develop the intrinsically excellent properties of a polybenzazole fiber as a short...

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1. Verfasser:	OKUYAMA YUKINARI
Format:	Patent
Sprache:	eng
Schlagworte:	CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MECHANICAL FINISHING OF YARNS OR ROPES TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rubber-reinforcing polybenzazole dipped cord in which the adhesive force between polybenzazole short fiber and rubber is increased dispersability with the rubber and can sufficiently develop the intrinsically excellent properties of a polybenzazole fiber as a short fiber for reinforcing rubber. SOLUTION: Continuous fiber bundles of substantially untwisted polybenzazole fiber are dipped in the first treatment solution mainly comprising an epoxy compound bearing two or more epoxy groups in a monomer molecule and blocked isocyanate solution having thermal dissociation point of 100 to 200°C, then dried, heat-treated and then dipped in the second treatment solution including resorcin-formaldehyde-rubber latex (RFL) mixed solution, then dried, heat-treated and cut, whereby rubber-reinforcing polybenzazole dipped cords are obtained that have good adhesion to rubber and shows good dispersion into the rubber. COPYRIGHT: (C)2005,JPO&NCIPI