摘要:
Absorbent material comprising a nonwoven provided with two opposite faces, a first face intended to face the area from which the fluid to be absorbed arrives and a second opposite face, said nonwoven having a first fibrous layer defining said first face, and a second fibrous layer secured to said first layer on the opposite side with respect to said first face, defining said second face; at least a part of the fibers of said first layer being hydrophobic, so that said first layer has hydrophobic properties; at least a part of the fibers of said second layer being hydrophilic, so that said second layer has hydrophilic properties; on said nonwoven there being provided first impressions on said first face and, for each first impression, a second impression on said second face substantially centered with the respective first impression; the bottoms of said first and second impressions being heat welded together; said corresponding pairs of first and second impressions being channels for acquisition of the fluid from said first face toward said second face.
摘要:
The present disclosure can provide an aerogel composite. The aerogel composite comprises at least one base layer having a top surface and a bottom surface, the base layer comprising a reinforced aerogel composition which comprises a reinforcement material and a monolithic aerogel framework, a first facing layer comprising a first facing material attached to the top surface of the base layer, and a second facing layer comprising a second facing material attached to the bottom surface of the base layer. At least a portion of the monolithic aerogel framework of the base layer extends into at least a portion of both the first facing layer and the second facing layer. The first facing material and the second facing material can each comprise or consist essentially of elastic fibers such as spandex, nylon, lycra, elastane, or combinations thereof.
摘要:
Described herein are aerogel composites. The aerogel composites comprise at least one base layer having a top surface and a bottom surface, the base layer comprising a reinforced aerogel composition which comprises a reinforcement material and a monolithic aerogel framework, a first facing layer comprising a first facing material attached to the top surface of the base layer, and a second facing layer comprising a second facing material attached to the bottom surface of the base layer. At least a portion of the monolithic aerogel framework of the base layer extends into at least a portion of both the first facing layer and the second facing layer. The first facing material and the second facing material each consist essentially of fluoropolymer material.
摘要:
In-line processes for producing scrubby substrates, and related scrubby substrate cleaning articles. The process may include melting a polymer resin material, and extruding or otherwise dispensing the molten polymer resin material through one or more orifices of a heated nozzle, into a stream of hot inert gas, which attenuates the molten resin, so that the resin forms into elongated globules (rather than fibers or filaments). Such globules may have irregular cross-section and/or irregular thickness along a length of the globules. Alternatively, the molten resin may be formed into substantially continuous or discontinuous string or chain pattern of abrasive fibers, exhibiting a high frequency, low amplitude substantially linear pattern on the base substrate. In either case the globules or abrasive fibers are collected onto at least a portion of a base substrate layer to form a scrubby substrate that is more abrasive than typical meltblown materials.
摘要:
The present invention relates to a stretchable laminate. In particular, this invention relates to the use of the stretchable laminate in absorbent hygienic articles. Such hygienic articles have improved elasticity, fastening properties and better fit resulting in improved anti- leakage properties due to adjustable elastic properties of the stretchable laminate. Elasticity is adjusted by forming recesses of a definite distribution on a fabric layer without applying any elongation pre-forces to the layer and deforming it. Additionally, changing the distribution of the recessed parts provides variability of elasticity in a wide range for a wide range of materials which the fabric layer is produced from in a simple and economical manner. This way enables to obtain stretchable laminates of different elasticity by easily changing the distribution of the recessed parts without changing the dimensions and other basic physical characteristics of the fabric layer. Since the design parameters of the stretchable laminate are so diversified, preparation of the stretchable laminates,which have varying elastic properties, by using fixed amount/size of the fabric layer is accomplished, whereby still shape, appearance and aesthetics of the laminate is maintained.
摘要:
Textile nanocomposite comprising a supporting textile layer (1), on which at least one layer (2") of polymeric nanofibres is arranged firmly connected to it, wherein the supporting textile layer (1) as well as the layer (2) of polymeric nanofibres (5) are mutually connected on their surface, wherein their connection is formed by fragments (3) of at least one polymer, where these fragments (3) are connected with the supporting textile layer (1) and penetrate the layer (2) of polymeric nanofibres (5).
摘要:
The present invention relates to a laminated composite material and, more particularly, to a laminated composite material that can include, but is not limited to, an unbroken loop pile fabric (UBL fabric) layer laminated to at least one side/surface of a spacer fabric (3D knit fabric) layer.
摘要:
A 3D printed polishing pad for chemical-mechanical planarization (CMP) comprises a microlattice including a plurality of layers of extruded filaments arranged in a crisscross pattern. The extruded filaments comprise a polymer composite including a thermoset polymer matrix and filler particles dispersed therein, where the filler particles comprise a length or diameter of no greater than about 200 nm. A three-dimensional network of interconnected voids extends through the microlattice.
摘要:
Among other things, the inventive subject matter generally relates to nonwoven textiles consisting of webs of superfine fibers, i.e., fibers with diameters in nanoscale or micronscale ranges, for use in articles that have, for example a predetermined degree of waterproofness with breathability, or windproofness with breathability. In certain aspects, the inventive subject matter is directed to production of such articles and components of the articles, using novel processes for forming jets of materials that solidify as superfine fibers, and which form into two- or three-dimensional webs as they are collected. The inventive subject is also directed to systems and methods for collecting fibers of any scale in agglomerations of generally parallel strands for use in forming yarns, for example.