Global Patent Index - EP 1025293 A1

EP 1025293 A1 2000-08-09 - METHOD FOR PRODUCING AQUEOUS LIQUOR DYEABLE MODIFIED POLYPROPYLENE THREADS AND THE USE THEREOF

Title (en)

METHOD FOR PRODUCING AQUEOUS LIQUOR DYEABLE MODIFIED POLYPROPYLENE THREADS AND THE USE THEREOF

Title (de)

VERFAHREN ZUR HERSTELLUNG VON AUS WÄSSRIGER FÄRBEFLOTTE FÄRBBAREN MODIFIZIERTEN POLYPROPYLENGARNEN SOWIE DEREN VERWENDUNG

Title (fr)

PROCEDE DE PRODUCTION DE FILS DE POLYPROPYLENE MODIFIES POUVANT ETRE COLORES A PARTIR D'UN BAIN DE TEINTURE AQUEUX, ET UTILISATION DE CES FILS

Publication

EP 1025293 A1 (DE)

Application

EP 98958229 A

Priority

  • DE 19746635 A
  • EP 9806700 W

Abstract (en)

[origin: DE19746635A1] A process for the production of modified polypropylene yarn which can be dyed from aqueous dye solutions comprises mixing controlled-rheology polypropylene (CR-PP) which is suitable for fiber production with a reaction partner which can react with the CR-PP and then processing the mixture by extrusion spinning. Independent claims are also included for (a) polypropylene yarn obtained by this process; (b) a process for dyeing this yarn, or textile sheet made from the yarn, with conventional dyes by a standard extraction process from aqueous dye solutions.

IPC 1-7 (main, further and additional classification)

D01F 6/30

IPC 8 full level (invention and additional information)

D01F 6/30 (2006.01); D06P 3/79 (2006.01); D06P 5/22 (2006.01)

CPC (invention and additional information)

D06P 3/792 (2013.01); D01F 6/30 (2013.01); D06P 3/791 (2013.01); D06P 3/794 (2013.01); D06P 3/798 (2013.01); D06P 5/22 (2013.01); Y10S 8/928 (2013.01); Y10T 442/40 (2015.04)

Citation (search report)

See references of WO 9920817A1

Designated contracting state (EPC)

AT BE CH DK ES FI FR GB IT LI NL PT SE

EPO simple patent family

DE 19746635 A1 19990429; DE 19746635 B4 20040902; AT 243784 T 20030715; EP 1025293 A1 20000809; EP 1025293 B1 20030625; JP 2001520331 A 20011030; JP 4188557 B2 20081126; US 6555038 B1 20030429; WO 9920817 A1 19990429

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