Dryer-activated fabric conditioning articles with soft...

D - Textiles – Paper – 06 – M

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D06M 23/02 (2006.01) C11D 1/65 (2006.01) D04H 3/14 (2006.01) D06M 13/463 (2006.01) C11D 1/04 (2006.01) C11D 1/40 (2006.01) C11D 17/04 (2006.01)

Patent

CA 2209614

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, 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, and "belt fuzz" and "jet fuzz" grades, as described herein, of from about 1.8 to about 2.9, preferably from about 2 to about 2.7, more preferably from about 2.2 to about 2.5, said polyester having 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.

Articles adoucissants pour tissus activés par séchage, dotés de substrats polyester filés-liés qui présentent des caractéristiques de toucher améliorées par rapport aux substrats polyester classiques et/ou pas très différentes des substrats de rayonne classiques, après utilisation dans un sèche-linge automatique. Lesdits articles comprennent (A) au moins environ 5 % d'une composition de conditionnement de tissus comportant un ingrédient actif de conditionnement de tissu et (B) un substrat polyester de tissu non tissé préparé à partir d'une fibre polyester ayant un denier d'environ 2 à environ 6, ledit substrat ayant un poids de base d'environ 0,52 oz/yd<2> à environ 0,58 oz/yd<2>, une épaisseur d'environ 0,16 mm à environ 0,22 mm et, de préférence, une résistance à la rupture d'au moins environ 3 lbs/in<2>, de préférence d'environ 4 à environ 7 lbs/in<2> dans le sens transversal et d'environ 3,1 à environ 6 lbs/in<2> dans le sens machine et des degrés de peluchage côté courroie et côté jet d'air, tels que décrits dans le descriptif, d'environ 1,8 à environ 2,9, de préférence d'environ 2 à environ 2,7, et plus préférablement encore d'environ 2,2 à environ 2,5, ledit polyester ayant des caractéristiques de toucher améliorées en comparaison aux substrats classiques de ce type, une fois que ledit article a été utilisé dans un sèche-linge automatique et après que ladite composition de conditionnement de tissus a été pratiquement enlevée complètement dudit substrat.

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