EP 2154275 A1 20100217 - Bicomponent fibers with an exterior component comprising polypropylene
Title (en)
Bicomponent fibers with an exterior component comprising polypropylene
Title (de)
Zwei-Komponenten-Fasern mit einer polypropylenhaltigen Außenkomponente
Title (fr)
Fibres de bicomposants avec un composant extérieur comportant du polypropylène
Publication
Application
Priority
EP 08161327 A 20080729
Abstract (en)
The present invention relates to bicomponent fibers with improved bonding properties. In particular, the present invention relates to bicomponent fibers comprising an exterior component, which in turn comprises a polypropylene that has been degraded from a first melt flow index MFI 1 (measured according to ISO 1133, condition L, 230°C, 2.16 kg) to a second melt flow index MFI 2 (measured according to ISO 1133, condition L, 230°C, 2.16 kg), such that the degradation ratio MFI 1 /MFI 2 is within a well-defined range and such that the second melt flow index MFI 2 is in the range from 50 dg/min to 300 dg/min. Further, the present invention relates to nonwovens, composites and laminates comprising said bicomponent fibers. The present invention also relates to a process for making such bicomponent fibers, nonwovens, composites and laminates.
IPC 8 full level
CPC (source: EP US)
D01D 5/30 (2013.01 - EP US); D01F 8/06 (2013.01 - EP US); D04H 1/54 (2013.01 - EP US); D04H 1/5412 (2020.05 - EP US); D04H 1/544 (2013.01 - EP US); D04H 3/007 (2013.01 - EP US); D04H 3/16 (2013.01 - EP US); D04H 13/00 (2013.01 - EP US); Y10T 428/2929 (2015.01 - EP US); Y10T 442/641 (2015.04 - EP US)
Citation (applicant)
- F. FOURNÉ: "Synthetische Fasern", 1995, CARL HANSER VERLAG
- B.C. GOSWAMI ET AL.: "Textile Yarns", 1977, JOHN WILEY & SONS, pages: 371 - 376
- G.J. RAY ET AL., MACROMOLECULES, vol. 10, no. 4, 1977, pages 773 - 778
- "Plastics Additives Handbook", 2001, CARL HANSER VERLAG
- F. FOURN6: "Synthetische Fasern", 1995, CARL HANSER VERLAG
Citation (search report)
- [X] WO 0040789 A1 20000713 - KIMBERLY CLARK CO [US]
- [X] US 5281378 A 19940125 - KOZULLA RANDALL E [US]
- [X] WO 9906617 A1 19990211 - FIBERVISIONS INC [US]
- [X] WO 0063471 A1 20001026 - MONTELL TECHNOLOGY COMPANY BV [NL], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2154275 A1 20100217; EP 2307595 A1 20110413; EP 2307595 B1 20130410; US 2011189916 A1 20110804; WO 2010012769 A1 20100204
DOCDB simple family (application)
EP 08161327 A 20080729; EP 09802519 A 20090729; EP 2009059805 W 20090729; US 200913055013 A 20090729