Heat resistant nonwoven fabric and process for producing same

D - Textiles – Paper – 04 – H

Patent

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D04H 1/54 (2006.01) B01D 39/08 (2006.01) B01D 39/16 (2006.01) D04H 1/42 (2006.01) D04H 1/56 (2006.01) D04H 1/58 (2006.01) D04H 3/14 (2006.01)

Patent

CA 2068735

-37- ABSTRACT OF THE DISCLOSURE A heat resistant nonwoven fabric comprises 95 to 50% by weight of heat resistant fibers and 5 to 50% by weight of thermoplastic resin, the thermoplastic resin being in the form of pillar-shaped melt-bonding members located between the heat resistant fibers, to thereby bond the heat resistant fibers to each other therethrough, has an excellent heat resistance, formability and concealing effect, and a relatively low density, and is useful as an air filter and a covering sheet for heat resistant shaped articles.

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