Heat-resistant nonwoven fabrics

Details Heat-resistant nonwoven fabrics Heat-resistant nonwoven fabrics

B - Operations, Transporting

32

B

B32B 27/04 (2006.01) B32B 27/12 (2006.01) C03C 25/26 (2006.01) D04H 1/64 (2006.01)

Patent

CA 2067278

ABSTRACT OF THE DISCLOSURE A method for making a heat resistant nonwoven fabric is provided. A formaldehyde-free binder composition containing a carboxy group, or a carboxylic anhydride, or salts of a carboxy group; and a .beta.-hydroxyalkyl amide contacts a nonwoven fabric containing heat-resistant fibers, and heating the binder composition is effected.

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