Patent application number | Description | Published |
20080249206 | Material for Acquisition of Liquids and Disposable Absorbent Article Comprising the Material - The present invention relates to a material for acquisition of liquids comprising individualized, crosslinked cellulosic fibers having an effective amount of a polymeric acid crosslinking agent reacted with the fibers in intra-fiber crosslink ester bond form. The material further comprises at least one basic substance, selected from basic polymers. The invention also relates to disposable absorbent articles, such as diapers, containing this material. The material can be used in a method of reducing the electrolyte concentration of aqueous mediums containing electrolytes, such as urine. | 10-09-2008 |
20090043005 | Superabsorbent Polymers Having Radiation Activatable Surface Cross-Linkers and Method of Making Them - Superabsorbent polymer particles having improved surface cross-linking and their use in absorbent articles. The superabsorbent polymer particles comprise a water-absorbing resin and the reaction product of a radiation activatable surface cross-linker. The reaction product of the radiation activatable surface cross-linker is present at the surface of the superabsorbent polymer particle. The radiation activatable surface cross-linker includes at least two radiation activatable groups R, which are covalently bound to each other or to at least one spacer group S. | 02-12-2009 |
20090131633 | METHOD OF SURFACE CROSS-LINKING SUPERABSORBENT POLYMER PARTICLES USING ULTRAVIOLET RADIATION AND BRONSTED ACIDS - The present invention relates to a method of surface cross-linking superabsorbent polymer particles using UV irradiation. The superabsorbent polymer particles for use in the method of the present invention have a relatively high degree of neutralization. Bronsted acids are selectively applied onto the surface of the superabsorbent polymer particles to selectively facilitate a relatively high number of protonated carboxyl groups at the surface of the superabsorbent polymer particles while the relatively high degree of neutralization in the core of the superabsorbent polymer particles remains substantially unaffected. | 05-21-2009 |
20090137694 | METHOD OF SURFACE CROSS-LINKING SUPERABSORBENT POLYMER PARTICLES USING ULTRAVIOLET RADIATION - The present invention relates to a method of surface cross-linking superabsorbent polymer particles using UV irradiation. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an irradiation source. The drum has a longitudinal axis and a cross-section. Radical former molecules are applied on the surface of superabsorbent polymer particles. These superabsorbent polymer particles are fed into the drum and are irradiated while they move within the drum, which is rotated around its longitudinal axis. The irradiation source is provided such that the radiation emitted by the irradiation source is able to reach superabsorbent polymer particles within said drum. The irradiation source for use in the method of the present invention is able to emit UV radiation of a wavelength between 201 nm and 400 nm. | 05-28-2009 |
20090176908 | Absorbent Articles Comprising Hydrophilic Nonwoven Fabrics - A process for treating fibers to render the fibers more hydrophilic. The process includes contacting the fibers with a solution of hydrophilic monomers and radical polymerization initiators and exposing the fibers to UV radiation. | 07-09-2009 |
20090197985 | METHOD OF SURFACE CROSS-LINKING SUPERABSORBENT POLYMER PARTICLES USING VACUUM ULTRAVIOLET RADIATION - The present invention relates to a method of surface cross-linking superabsorbent polymer particles using UV irradiation. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an irradiation source. The drum has a longitudinal axis and a cross-section. Superabsorbent polymer particles are fed into the drum and are irradiated while they move within the drum, which is rotated around its longitudinal axis. The irradiation source is provided such that the radiation emitted by the irradiation source is able to reach superabsorbent polymer particles within said drum. The irradiation source for use in the method of the present invention is able to emit UV radiation of a wavelength between 100 nm and 200 nm. | 08-06-2009 |
20090298963 | METHOD FOR PRODUCTION OF MODIFIED WATER ABSORBENT RESIN - This invention is to provide a method for producing a modified water absorbent resin excelling in water absorbing properties. This invention relates to a method for producing a modified water absorbent resin, which comprises a) mixing a water absorbent resin and a water-soluble radical polymerization initiator or a heat-degradable radical polymerization initiator without addition of an ethylenically unsaturated monomer and b) irradiating the resultant mixture with active energy rays. The method is particularly capable of exalting the absorbency against pressure and the saline flow conductivity. | 12-03-2009 |
20090299315 | Surface Cross-Linked Superabsorbent Polymer Particles and Methods of Making Them - Superabsorbent polymer particles with improved surface cross-linking and their use in absorbent articles. The superabsorbent polymer particles comprise polymer chain segments, wherein at least a part of the polymer chain segments are covalently cross-linked to each other and wherein at least a part of the cross-links include the reaction product of cross-linking molecules having at least two C═C double bonds and further include the reaction product of radical former molecules. These cross-links are present at surfaces of the superabsorbent polymer particles. | 12-03-2009 |
20110174329 | PROCESS FOR REDUCING HAIR DAMAGE UPON TREATMENT OF HAIR BY HEAT - A process for reducing hair damage upon treatment of hair by heat comprising the steps of providing a hair care composition comprising a heat-stable silicone material, applying said composition onto hair, providing a heat generating hair care appliance, and treating hair using said appliance; use and kit thereof. | 07-21-2011 |
20110259536 | Process For Making Material For Acquisition Of Liquids And Disposable Absorbent Article Comprising The Material - A process for making a material for acquisition of liquids comprising individualized, crosslinked cellulosic fibers having an effective amount of a polymeric acid crosslinking agent reacted with the fibers in intra-fiber crosslink ester bond form. A process for making disposable absorbent articles, such as diapers, containing this material. | 10-27-2011 |
20150083155 | Process for Reducing Hair Damage Upon Treatment of Hair by Heat - A process for reducing hair damage upon treatment of hair by heat comprising the steps of providing a hair care composition comprising a heat-stable silicone material, applying said composition onto hair, providing a heat generating hair care appliance, and treating hair using said appliance; use and kit thereof. | 03-26-2015 |