Abstract:
The present invention provides a soft, bulky, and absorbent hydroentangled nonwoven including regenerated cellulose fibers and staple or wood pulp fibers and a method of making the same that includes the steps of a) placing regenerated cellulose fibers on a forming surface; b) depositing staple or wood pulp fibers on the regenerated cellulose fibers; c) hydroentangling the regenerated cellulose fibers and the staple or wood pulp fibers together to form a hydroentangled composite; d) drying the hydroentangled composite; then, e) creping the hydroentangled composite with a frothed creping solution or dispersion.
Abstract:
The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.
Abstract:
A textured coform nonwoven web is provided that includes a matrix of meltblown fibers and an absorbent material. The coform nonwoven web is textured in that it includes first offsets that extend from the coform web. Further, the first offsets are themselves textured in that upper surfaces of the first offsets include a foundation texture. A continuous region from which the offsets extend further includes a secondary texture that may or may not be different from the foundation texture. The offsets may further include side walls that include a side wall texture. The side wall texture may or may not be different than both the foundation texture and the secondary texture.
Abstract:
A resilient coform nonwoven web that contains a matrix of meltblown fibers and an absorbent material is provided. The meltblown fibers may constitute from 45 wt% to about 99 wt% of the web and the absorbent material may constitute from about 1 wt% to about 55 wt% of the web. The meltblown fibers may be formed from a thermoplastic composition that contains at least one propylene/a- olefin copolymer having a propylene content of from about 60 mole% to about 99.5 mole% and an a-olefin content of from about 0.5 mole% to about 40 mole%. The copolymer may have a density of from about 0.86 to about 0.90 grams per cubic centimeter and the thermoplastic composition may have a melt flow rate of from about 200 to about 6000 grams per 10 minutes, determined at 230°C in accordance with ASTM Test Method D1238-E. The coform web may be imparted with a three-dimensional texture by, for example, using a three-dimensional forming surface. As one example, the resilient coform web is suitable for use as a component in the absorbent core of a personal care absorbent product.
Abstract:
A flexible coform nonwoven web that contains a matrix of meltblown fibers and an absorbent material is provided. The meltblown fibers may constitute from about 2 wt% to about 40 wt% of the coform web. The absorbent material may constitute from about 60 wt% to about 98 wt% of the coform web. The Cup Crush Energy / Thickness ratio of the nonwoven structure is desirably less than about 600. The coform web may be imparted with a three-dimensional texture by, for example, using a three-dimensional forming surface. The coform web is suitable for forming absorbent articles such as wipers and personal care absorbent products.
Abstract:
The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.
Abstract:
The present invention is directed to a temperature-sensitive or ion-sensitive binder composition containing at least one temperature-sensitive or ion-sensitive polymeric material. The binder composition is either (1) insoluble in water containing greater than about 0.5 weight percent monovalent ions or water having a multivalent ion concentration greater than about 200 ppm multivalent ions, and soluble in water containing less than about 0.5 weight percent monovalent ions or water having a multivalent ion concentration less than about 200 ppm multivalent ions; or (2) insoluble in water having a temperature of greater than about 30 DEG C, and soluble in water having a temperature of less than about 25 DEG C. The present invention is further directed to a water-dispersible nonwoven fabric containing the temperature-sensitive or ion-sensitive binder material, which is useful in the manufacture of flushable personal care products. A process for making water-dispersible nonwoven fabrics is also provided.