Global Patent Index - EP 1847638 A2

EP 1847638 A2 20071024 - Fire retardant and heat resistant yarns and fabrics treated for increased strength and liquid shedding

Title (en)

Fire retardant and heat resistant yarns and fabrics treated for increased strength and liquid shedding

Title (de)

Flammenhemmende und hitzebeständige Garne und Stoffe mit Behandlung für erhöhte Beanspruchbarkeit und Flüssigkeitsabweisung

Title (fr)

Produit ignifuge et fils et tissus résistants à la chaleur traités afin d'augmenter la résistance et la perte de liquide

Publication

EP 1847638 A2 20071024 (EN)

Application

EP 07006546 A 20070329

Priority

  • US 78685306 P 20060329
  • US 69124807 A 20070326

Abstract (en)

Fire retardant and heat resistant yarns and fabrics include an inner core comprised of oxidized polyacrylonitrile encapsulated by an outer shell comprised of a liquid-resistant and strengthening polymer material. The liquid-resistant and strengthening polymer material includes one or more types of cured silicone polymer resin. A fluorchemical may be at least partially impregnated into the inner core prior to applying the liquid-resistant and strengthening polymer material in order to further enhance the liquid shedding properties of the yarns or fabric. Because the silicone polymer resin only encapsulates the yarn, but does not form a continuous coating over the whole fabric, the treated fabric is still able to breath through pores and spaces between individual yarn strands that make up the fabric. The liquid-resistant and strengthening polymer material increases the strength, abrasion resistance, durability and liquid and gel shedding capability of the fire retardant heat resistant yarn or fabric.

IPC 8 full level

D06N 7/00 (2006.01); D02G 3/36 (2006.01); D02G 3/44 (2006.01); D03D 1/00 (2006.01); D03D 15/12 (2006.01); D06M 15/277 (2006.01); D06M 15/643 (2006.01); D06N 3/00 (2006.01); D06N 3/12 (2006.01)

CPC (source: EP US)

D02G 3/36 (2013.01 - EP US); D02G 3/443 (2013.01 - EP US); D03D 1/0041 (2013.01 - EP US); D03D 15/513 (2021.01 - EP US); D06M 15/277 (2013.01 - EP US); D06M 15/643 (2013.01 - EP US); D06N 3/0002 (2013.01 - EP US); D06N 3/128 (2013.01 - EP US); D06M 2101/28 (2013.01 - EP US); D06M 2200/10 (2013.01 - EP US); D06M 2200/30 (2013.01 - EP US); D10B 2331/021 (2013.01 - EP US); D10B 2401/063 (2013.01 - EP US); D10B 2503/06 (2013.01 - EP US); Y10T 428/2933 (2015.01 - EP US)

Citation (applicant)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1847638 A2 20071024; EP 1847638 A3 20090325; EP 1847638 B1 20130220; US 2007231573 A1 20071004

DOCDB simple family (application)

EP 07006546 A 20070329; US 69124807 A 20070326