摘要:
A porous membrane structure includes a fibrous host material, which defines a plurality of inter-fiber voids, and a porous guest polymer that fills at least a subset of the plurality of inter-fiber voids of the fibrous host material. The porous guest polymer facilitates selective transport of materials across the porous membrane structure and provides selective barrier properties to the porous membrane structure. The porous membrane structure may be configured as a protective barrier material for use across a range of applications.
摘要:
The invention provides methods for the preparation of nonwoven spunbonded fabrics and various materials prepared using such spunbonded fabrics. The method generally comprises extruding multicomponent fibers having an islands in the sea configuration such that upon removal of the sea component, the island components remain as micro- and nanofibers. The method further comprises mechanically entangling the multicomponent fibers to provide a nonwoven spunbonded fabric exhibiting superior strength and durability without the need for thermal bonding.
摘要:
A microwave patch antenna comprising: a plurality of conductive antenna patterns; a plurality of groundplanes; a plurality of feed elements; a plurality of feed slots to allow feed elements to pass through the non-woven dielectric spacers; and a plurality of dielectric separator layers comprised of corrugated non-woven fabric as necessary to form a patch antenna construction.
摘要:
The invention provides durable nonwoven fabrics comprising staple fibers. Methods of preparing durable nonwoven fabrics based on staple fibers are also provided. The methods can include the steps of at least one of needle punching and hydroentangling. The durable nonwoven fabric can be subjected to additional bonding techniques, such as resin bonding and/or thermal bonding. The durable nonwoven fabrics of the invention provide improved durability over conventional nonwoven fabrics. Further advantages of the inventive nonwoven fabrics include maintaining the smooth surface qualities of the fabric and desirable feel of the fabric even with the enhanced durability. The inventive nonwoven fabrics can also be subjected to additional post-processing techniques that conventional nonwoven fabrics would otherwise be unable to withstand. Further, inks and/or dyes can more readily become adhered to the smooth nature of the surfaces of the inventive durable nonwoven fabrics.
摘要:
A capacitive sensor device, including electrode materials carried by fabric substrates, is provided for monitoring relative movement of an expanding and/or contracting structure, such as the mammalian chest and/or torso, corresponding to a performance parameter related, for example, to respiratory function. Some embodiments include non-woven fabric substrates comprising compliant portions configured to stretch only in a selected direction and non-compliant portions upon which electrode materials are disposed. In some embodiments, layers of fabric substrates, carrying corresponding first and second electrode materials, are configured to cooperate to form a parallel plate capacitive sensor having a variable capacitance corresponding to a relative motion of the fabric substrates.
摘要:
The invention provides durable nonwoven fabrics comprising staple fibers. Methods of preparing durable nonwoven fabrics based on staple fibers are also provided. The methods can include the steps of at least one of needle punching and hydroentangling. The durable nonwoven fabric can be subjected to additional bonding techniques, such as resin bonding and/or thermal bonding. The durable nonwoven fabrics of the invention provide improved durability over conventional nonwoven fabrics. Further advantages of the inventive nonwoven fabrics include maintaining the smooth surface qualities of the fabric and desirable feel of the fabric even with the enhanced durability. The inventive nonwoven fabrics can also be subjected to additional post-processing techniques that conventional nonwoven fabrics would otherwise be unable to withstand. Further, inks and/or dyes can more readily become adhered to the smooth nature of the surfaces of the inventive durable nonwoven fabrics.
摘要:
A photoluminescent thermoplastic multi-component fiber comprising a pigmented component and processing enhanced luminescence and mechanical properties. Most suitably, the pigmented component comprises between 5% and 30% by weight of photoluminescent pigment and the pigmented component is between 20% and 50% by weight of the multi-component fiber. The multi-component fiber can be formed from either POY or FDY, and the multi-component fiber can have many different cross section shapes including sheath/core. These single component or multi-component fibers can be made into a variety of fabrics. Additionally, single component or multi-component fibers can also be formed into single or multi-component meltblown and spunbonded fabrics.
摘要:
A three-dimensional flexible deep molded structure is provided having at least one planar flexible textile non-woven substrate that has been processed through thermo-forming or calendaring equipment to form a multiplicity of compressible projections extending from the planar surface which return to their shape after being substantially compressed. The non-woven substrate preferably is a staple fiber based non-woven fabric manufactured from fibers with a diameter of less than 100 microns and a fiber length of 5 to 50 millimeters. The non-woven fabric preferably has a constant anisotrophy ratio fp between −1/2 to +1/2.
摘要翻译:提供了三维柔性深度模制结构,其具有至少一个平面柔性织物无纺基底,其已经通过热成型或压延设备进行加工,以形成从平面延伸的多个可压缩凸起,所述可压缩凸起在 被基本压缩。 无纺基材优选为由直径小于100微米的纤维和纤维长度为5至50毫米的纤维制成的基于短纤维的无纺织物。 非织造织物优选在-1 / 2〜+1 / 2之间具有恒定的各向异性增长率f p p p。
摘要:
A nonwoven fabric has been developed as a delivery system for drugs or other actives which includes biodegradable and biocompatible fibers with plant virus nanoparticles. The plant virus nanoparticles are pre-loaded with one or more actives.
摘要:
The subject matter disclosed herein relates generally to fabrics composed of micro-denier fibers wherein said fibers are formed as bicomponent fibrillated fiber. The energy is sufficient for fibrillating as well as entangling (bonding) the fibers. These fabrics can be woven or knitted and made from made from bicomponent islands in the sea fibers and filaments or can be nonwovens and formed by either spunbonding or through the use of bicomponent staple fibers formed into a web by any one of several means and bonded similarly to those used for the spunbonded filament webs.