Dryer-activated fabric conditioning articles with soft...

D - Textiles – Paper – 06 – M

Patent

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Details

D06M 23/02 (2006.01) C11D 3/00 (2006.01) D04H 1/54 (2006.01) C11D 17/04 (2006.01)

Patent

CA 2171287

Dryer-activated fabric softening articles having improved spun-bonded polyester substrates having improved feel characteristics as compared to conventional polyester substrates and/or feel characteristics that are not significantly different from conventional rayon substrates, after use in an automatic clothes dryer, said articles comprising: (A) at least about 5 % fabric conditioning composition comprising fabric conditioning active; and (B) a polyester non-woven fabric substrate prepared from a polyester fiber having a denier of from about 2 to about 6, said substrate having a basis weight of from about 0.52 oz/yd2 to about 0.58 oz/yd2, a thickness of from about 0.16 mm to about 0.22 mm, and, preferably, a tear strength of at least about 3 lbs/in2 in both the cross direction and the machine direction, preferably from about 4 to about 7 lbs/in2 in the cross direction and from about 3.1 to about 6 lbs/in2 in the machine direction, said polyester having at least improved feel characteristics as compared to conventional substrates of this type, after said article is used in said automatic clothes dryer and after said fabric conditioning composition has been substantially completely removed from said substrate.

L'invention concerne des articles pour le traitement du linge, activés dans le sèche-linge et comprenant un substrat en polyester filé-lié plus doux au toucher que les substrats traditionnels en polyester et/ou pratiquement aussi doux au toucher que les substrats traditionnels en rayonne, après utilisation dans un sèche-linge automatique. Ces articles sont constitués par: (A) au moins 5 % environ de composition de traitement pour le linge comprenant une matière active pour le traitement du linge; et (B) un substrat en non-tissé de polyester préparé à partir d'une fibre de polyester ayant un denier de 2 environ à 6 environ, ledit substrat ayant un poids dans la plage de 0,52 once/yard<2> environ à 0,58 once/yard<2> environ, une épaisseur de 0,16 mm environ à 0,22 mm environ et, de préférence, une résistance à la déchirure d'au moins 3 livres/pouce<2> aussi bien dans la direction transversale que dans la direction machine ou encore mieux de 4 livres/pouce<2> environ à 7 livres/pouce<2> environ dans la direction transversale et de 3,1 pouces/livre<2> environ à 6 livres/pouce<2> environ dans la direction machine, ledit polyester étant aussi doux ou plus doux au toucher que les substrats traditionnels de ce type, après que ledit article ait été utilisé dans ledit sèche-linge automatique et après que la composition pour le traitement du linge ait été enlevée pratiquement en totalité dudit substrat.

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