B32B2262/0261

LAYERED MATERIAL

The invention relates to a layered material, comprising a substrate and at least one layer A, wherein the at least one layer A comprises at least 50 wt % of a branched copolyester, wherein wt % is with respect to the total weight of layer A, and wherein the branched copolyester has a melting temperature of between 125° C. and 185° C., Mz/Mw of at least 3.5, and having a Melt Flow Index (MFI) of at most 10 g/10 min as measured at 190° C. with 2.16 kg. The invention also relates to a film comprising at least one layer A.

PLEATABLE NONWOVEN
20230046170 · 2023-02-16 ·

The disclosure relates to a pleatable nonwoven fabric including greater than 50% by weight of a majority polymer component, based on total weight of the fabric, and a minority polymer component, wherein there is a difference of at least 10° C. in melting point between the majority polymer component and the minority polymer component, and wherein the fabric is arranged in layers with a first layer, a second layer, and a mid-layer positioned between the first layer and the second layer, and wherein the top layer and the bottom layer comprise a plurality of bicomponent fibers comprising both the majority polymer component and the minority polymer component; and wherein the mid-layer comprises monocomponent fibers constructed from either the majority polymer component or the minority polymer component. A method of making the pleatable nonwoven fabric is also provided.

AIRBAG MULTILAYER COMPLEX AND AIRBAG
20230052516 · 2023-02-16 · ·

It is provided an airbag multilayer complex excellent in flexibility and durability by controlling adhesion between an adhesive layer and a base fabric to a predetermined range, and an airbag using it. This disclosure is an airbag multilayer complex comprising a base fabric and a multilayer film including an outer layer and an adhesive layer that is bonded to one surface of the base fabric. The adhesive strength of the interface between the multilayer film and the base fabric is 5 N/cm or more, the difference in loop stiffness between the airbag multilayer complex and the base fabric is 130 mN/cm or less, the adhesive layer contains a first resin having a hydrogen-bonding capacity, and the difference in Hansen solubility parameter (ΔHSP) between the base fabric and the first resin is 5 MPa.sup.0.5 or less.

POLYTETRAFLUOROETHYLENE COMPOSITE FILTER MATERIAL AND PREPARATION METHOD AND USES THEREOF
20230047022 · 2023-02-16 ·

The present invention relates to the field of air filtration, in particular to a polytetrafluoroethylene composite filter material and a preparation method and uses thereof. The polytetrafluoroethylene composite filter material comprises a support layer and a polytetrafluoroethylene microporous membrane layer, and the support layer and the polytetrafluoroethylene microporous membrane layer are compounded by an adhesive, wherein the adhesive comprises a two-component polyurethane adhesive, a pore forming agent and an inorganic filler. The present invention adopts a two-component solvent-free polyurethane adhesive, and by adding a low-temperature pore forming agent and an inorganic filler, the pore forming agent forms an irregular pore channel structure at the bonding interface during curing, and the inorganic filler prevents the adhesive from entering the micropores of the polytetrafluoroethylene membrane, so that the air permeability and filtration efficiency of the polytetrafluoroethylene microporous membrane are not affected after compounding; and the prepared polytetrafluoroethylene composite filter material has good air permeability, high peel strength, good filtration efficiency and good barrier effect.

Absorbing sound insulation motor trim element

The invention relates to a method for producing an absorbing sound insulation motor vehicle trim element having a four-layered structure made from a first foam layer, a second foam layer, a non-woven foam layer and a non-woven fabric layer. The invention further relates to an absorbing sound insulation motor vehicle trim element.

Synthetic resin skin material composite and method of producing synthetic resin skin material composite

A synthetic resin skin material composite, including: a urethane resin skin material including a urethane resin skin layer provided at one surface of a substrate; and a cushion layer that is placed at a surface on an opposite side of the substrate from the surface of the urethane resin skin material at which the urethane resin skin layer is provided; in which the urethane resin skin material has recesses at a side of the urethane resin skin layer, and each of the recesses has a depth in a thickness direction of the synthetic resin skin material composite, such that the recesses extend from the urethane resin skin layer into the cushion layer beyond an interface between the urethane resin skin material and the cushion layer that is present in a region without a recess, as well as a method of producing a synthetic resin skin material composite.

Patient securement system for the surgical Trendelenburg position

A patient securing overlay is provided that includes a sheet of fabric for supporting a patient's torso on a surgical table. The sheet of fabric has an upper surface configured to face the patient and a lower surface configured to face a surgical table mattress or underbody support. The sheet of fabric includes friction enhancing elements applied to at least a portion of the upper surface thereof. The sheet of fabric can include an extension at a foot end of the sheet of fabric that provides material to be tucked under a foot end of the surgical table mattress or underbody support for securing the foot end of the sheet of fabric to the surgical table mattress or underbody support. The extension can include one or more friction enhancing elements.

POROUS BIOCIDAL FILTER
20230041267 · 2023-02-09 ·

Compositions and articles comprising a non-woven matrix for use as anti-microbial filters are provided. In some embodiments, the non-woven matrix comprises nanofibers suitable for capturing a droplet comprising a microbe (e.g. a virus particle). In some embodiments, the non-woven matrix comprises a biocide suitable for reducing propagation and/or inactivating a microbe.

Polytetrafluoroethylene Composite Filter Material
20230045147 · 2023-02-09 ·

The present invention relates to the field of air filtration, in particular to a polytetrafluoroethylene composite filter material. The polytetrafluoroethylene composite filter material comprises a supporting layer and a polytetrafluoroethylene film layer, wherein the supporting layer is a silver-plated carbon nanomaterial-modified meltblown nonwoven fabric. The polytetrafluoroethylene composite filter material is prepared by fiberizing a resin material modified by silver-plated carbon nanomaterial on the surface of a polytetrafluoroethylene film by a melt-blowing method. The polytetrafluoroethylene composite filter material of the present invention combines filtering and sterilizing functions, has higher filtering efficiency and filtering precision, has the functions of sterilizing and killing viruses, has a good isolation effect, and greatly prolongs the service life of the filter material.

INTERIOR TRIM FOR A MOTOR VEHICLE, COMPRISING A HEADLINER AND A STIFFENING FRAME AND METHOD FOR THEIR MANUFACTURE
20230039993 · 2023-02-09 ·

The disclosure provides an interior trim part for a motor vehicle having a sliding or panoramic roof comprising a headliner and a stiffening frame attached to the headliner and enclosing and stabilizing an opening in the headliner enclosing the sliding or panoramic window, the stiffening frame being made of a fiber-reinforced composite material comprising a fiber mat and a textile lattice material, the textile lattice material being applied over a surface of the fiber mat and impregnated together therewith.