Use of triazine-based UVAs for use as quenchers in paper-making processes

• Main Authors: METZGER; GEORGES, ROHRINGER; PETER, REINEHR; DIETER, HOCHBERG; ROBERT
• Format: Patent
• Language: English
• Published: 07.11.2000
• Edition: 7
• Subjects: ADHESIVES; BLEACHING LEATHER OR FURS; CHEMISTRY; COMPOSITIONS BASED THEREON; DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; DYES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; HETEROCYCLIC COMPOUNDS; IMPREGNATING OR COATING OF PAPER; LAKES; LAUNDERING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; POLISHES; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; 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; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PCT No. PCT/EP97/02606 Sec. 371 Date Dec. 2, 1998 Sec. 102(e) Date Dec. 2, 1998 PCT Filed May 22, 1997 PCT Pub. No. WO97/46541 PCT Pub. Date Dec. 11, 1997The present invention provides a process for the inhibition (quenching) of the effect of an anionic fluorescent whitening agents on a substrate, comprising treating the substrate with a triazine UVA compound, some of which are new compounds.