Titanium Dioxide-Containing Synthetic Filament having improved Properties, Textile Products made therefrom and method of imparting said improved properties

• Main Authors: RYOICHI YASUDA, TERUO OBATA, MASAHIKO SUGIURA, YASUSHI KATAGIRI
• Format: Patent
• Language: English
• Published: 17.06.1970
• Subjects: ADHESIVES; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS; INORGANIC CHEMISTRY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; PREPARATION OF CARBON BLACK; SPINNING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

1,194,935. TiO 2 filled synthetic filaments. TOYO RAYON K.K. 1 March, 1968, No. 10227/68. Heading B5B. [Also in Divisions C1 and C3] Synthetic melt-spun filaments, e.g. of poly- #-caprolactam contain, dispersed throughout them, 0À01-1% of TiO 2 particles whose diameter is not more than 7 Á, 10-70% of the particles having diameters in the range 0À8-7 Á and the balance having a particle size distribution peak in the range 0À2-0À5 Á. Preferably the TiO 2 has a second such peak in the range 0À8-7 Á. The TiO 2 may be incorporated into a polymerization reaction prior to termination and the resulting polymer melt-spun. Regular TiO 2 distribution may be assisted by addition of a dispersion agent, e.g. a sodium phosphate or a polyoxyethylene glycol-alkyl phenol condensate. The filaments have improved friction properties over conventional TiO 2 filled filaments