Heavy calendered multiple component sheets and multi-layer...

Details Heavy calendered multiple component sheets and multi-layer... Heavy calendered multiple component sheets and multi-layer...

D - Textiles, Paper

04

H

D04H 3/16 (2006.01) D04H 13/00 (2006.01) D04H 3/14 (2006.01)

Patent

CA 2591824

A heavily calendered multiple component sheet is provided by calendering a multiple component nonwoven web formed from multiple component spunbond filaments under conditions that cause the lower-melting component to melt and flow into the interstitial spaces between the spunbond filaments. The calendered sheets are useful in child resistant packaging.

L'invention concerne une feuille à composantes multiples fortement calandrée obtenue à l'aide d'un procédé consistant à calandrer un non-tissé à composantes multiples constitué de filaments filés-liés à composantes multiples dans des conditions permettant de faire fondre et s'écouler les composantes à point de fusion inférieur dans les espaces interstitiels situés entre les filaments filés-liés. Les feuilles calandrées peuvent être utilisées dans des emballages de sécurité pour enfants.

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