B32B21/047

MOLDABLE UNCURED NONWOVEN COMPOSITE AND MOLDED CURED COMPOSITE
20170341271 · 2017-11-30 ·

A process for forming a moldable, uncured nonwoven composite containing forming a structural nonwoven layer, at least partially impregnating the structural nonwoven layer with an uncured, water-based thermosetting resin having a cure temperature of at least about 160° C., and at least partially drying the uncured, wet nonwoven composite such that the temperature at the inner plane is less than about 130° C. forming an moldable, uncured composite. The structural nonwoven layer contains a plurality of bi-component binder fibers and a plurality of reinforcing fibers, the bi-component fibers containing a core and a sheath. The core contains a polymer having a melting temperature of at least about 180° C. and the sheath contains a polymer having a melting temperature less than about 180 ° C. A process for forming a molded, cured composite containing forming a structural nonwoven layer and a molded cured nonwoven composite are also disclosed.

MOLDABLE UNCURED NONWOVEN COMPOSITE AND MOLDED CURED COMPOSITE
20170341273 · 2017-11-30 ·

A process for forming a moldable, uncured nonwoven composite containing forming a structural nonwoven layer, at least partially impregnating the structural nonwoven layer with an uncured, water-based thermosetting resin having a cure temperature of at least about 160° C., and at least partially drying the uncured, wet nonwoven composite. The structural nonwoven layer contains a plurality of binder fibers and a plurality of reinforcing fibers which are cellulosic fibers. Heat and pressure are applied to the moldable, uncured composite to a temperature of at least about 160° C. at least partially melting the binder fibers, curing the water-based thermosetting resin, and bonding at least a portion of the reinforcing fibers to other reinforcing fibers forming the molded, cured composite. The reinforcing fibers react with and form covalent bonds with the thermosetting resin.

Flame-retardant polyurethane foam

A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.

Patient Securement System for the Surgical Trendelenburg Position
20220347032 · 2022-11-03 ·

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.

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
20220056234 · 2022-02-24 ·

A process for producing a polyurethane or polyisocyanurate construction board, the process comprising of providing an A-side reactant stream that includes an isocyanate-containing compound; providing a B-side reactant stream that includes a polyol, where the B-side reactant steam includes a blowing agent mixture including isopentane and a blowing agent additive that has a Hansen Solubility Parameter (δ.sub.t) that is greater than 15 MPa.sup.0.5; and mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.

CELLULAR STRUCTURES WITH TWELVE-CORNERED CELLS

A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating eight internal angles and four external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells being positioned within the interior space. A sandwich structure may include first and second substantially planar structures, and a cellular structure with at least two cells positioned between the first and second substantially planar structures.

CELLULAR STRUCTURES WITH TWELVE-CORNERED CELLS
20170307138 · 2017-10-26 · ·

A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating nine internal angles and three external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells positioned within the interior space. A sandwich structure may include first and second planar structures, and a cellular structure positioned between the first and second substantially planar structures.

TRAILER INCLUDING INSULATED FLOOR
20220055695 · 2022-02-24 ·

A thermally insulated floor for a trailer includes a layer of parallel support beams. Each support beam is oriented in a direction substantially perpendicular to a forward direction of the trailer. A substantially planar panel of thermally insulating material is disposed on and supported by the layer of parallel support beams. A substantially planar layer of extruded aluminum is disposed on and supported by the panel of thermally insulating material. The support beams, the panel of thermally insulating material, and the layer of extruded aluminum are secured together.

Adhesive Floor/Wallboard and Method of Using Same
20220056704 · 2022-02-24 ·

An adhesive floor/wallboard includes a floor/wallboard main body layer and a buffer layer adhered to the back surface of the floor/wallboard main body layer. The buffer layer is provided with a plurality of holes. The holes extend through the buffer layer to the main body layer. Glue is deposited in the holes. The buffer layer is adhered to the back surface of the floor/wallboard. The glue in the holes makes direct contact with the floor/wallboard main body at the holes. Due to the holes and their depth, the contact area between the glue, the buffer layer and the main body is increased. Accordingly, the adhesive floor/wallboard can be more firmly adhered to a backing surface.

Polymeric Membrane Useful As A Commercial Roofing Membrane

The present disclosure provides a polymeric membrane. The polymeric membrane includes a first thermoplastic elastomer layer. The thermoplastic elastomer layer includes a filler component that is at least about 30 wt % of the thermoplastic elastomer layer. The polymeric membrane can further include an optional second thermoplastic elastomer layer in contact with the first polyolefin layer.