摘要:
A porous absorbent structure is disclosed which includes absorbent particles and a superabsorbent polymer material having less than about 1000 parts per million residual monoethylenically unsaturated monomer, the superabsorbent polymer material substantially coating the absorbent particles and connecting the particles into a porous network to form the porous absorbent structure.
摘要:
A binder is applied to particles (602) which are then combined with fibers (600) to bind the particles to the fibers (600). The particles (602) have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers (600) have hydrogen bonding functional sites. The binder comprises binder molecules, the binder molecules having at least one functional group that is capable of forming a hydrogen bond with the fibers. A substantial portion of the particles (602) that are adhered to the fibers (600) may be adhered in particulate form by hydrogen bonds or coordinate covalent bonds to the binder, and the binder in turn may be adhered to the fibers (600) by hydrogen bonds. Fibers (600) containing particles (602) bound by this method are easily densified.
摘要:
A sheetlike absorbent material is produced by reducing the water content of a hydrogel of a hydrophilic cross-linked polymer under pressing (milling) and feeding. A gel composition comprising, for example, a hydrogel containing a cross-linked poly(meth)-acrylic acid (salt), glycerol (polyhydric alcohol), and polyester fibers (molding assistant) onto a dryer drum on the upperstream side of a press roller, whereby the gel composition is pressed (milled) and heated by the press roller to give a sheet with at least one surface thereof smoothed. The absorbent material produced by the above process is excellent particularly in absorption characteristics such as absorption speed and absorption factor under pressure and shape retention.
摘要:
An absorbent article having a main body portion, a pair of flaps joined to the main body portion, and a unitary release material joined to a portion of each of the flaps such that the unitary release material superposes the flap adhesive when the flap is folded along a fold line.
摘要:
An absorbent article having a main body portion, a pair of flaps joined to the main body portion, and an adhesive patch joined to each flap. Each adhesive patch comprises a first half and a second half releasably secured to the first half. The fist half has adhesive zones and release zones, and the second half has adhesive zones and release zones which are removably securable to the release zones and adhesive zones of the first half.
摘要:
Absorbent structures having a fluid acquisition/distribution layer (110) with an average dry density of less than about 0.30 g/cc, an average density upon wetting with 1.0 % NaCl aqueous solution of less than about 0.20 g/cc, and an average dry basis weight from about 0.001 to about 0.10 g/cm2; and a fluid storage layer (108) positioned beneath the acquisition/distribution layer (110) comprising at least about 15 % superabsorbent material. The fluid acquisition/distribution layer (110) comprises from about 50 % to 100 % chemically stiffened cellulosic fibers and from 0 % to about 50 % binding means.