Flame retardant nonwoven fabrics

Details Flame retardant nonwoven fabrics Flame retardant nonwoven fabrics

C - Chemistry, Metallurgy

09

K

C09K 21/14 (2006.01) C09K 21/12 (2006.01) D06M 11/13 (2006.01) D06M 11/71 (2006.01) D06M 13/292 (2006.01) D06M 15/423 (2006.01) D06M 15/53 (2006.01) D21H 17/06 (2006.01) D21H 17/10 (2006.01) D21H 17/51 (2006.01) D21H 17/66 (2006.01) D21H 21/34 (2006.01)

Patent

CA 2051774

TITLE FLAME RETARDANT NONWOVEN FABRICS ABSTRACT OF THE DISCLOSURE An aqueous flame-retardant formulation containing 20 to 35 wt.% non-volatile materials which materials comprise 40 to 50 wt.% water-soluble ammonium salt, such as ammonium phosphate or ammonium bromide; 10 to 20 wt.% water insoluble organic phosphate, such as tri(t-butyl phenyl) phosphate, tricresylphosphate, trixylenylphosphate, or tri(isopropyl phenyl) phosphate; from 10 to 20 wt.% of a stable resin binder such as a melamine formaldehyde resin; and from 20 to 25 wt.% of a non-ionic surfactant such as nonylphenolphen- oxypolyethyloxyethanol is disclosed. The flame retardant formulation is particularly useful for application to nonwoven materials such as paperboard, films and spunbonded polyolefin nonwoven fabrics. TK-2790

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