A process for producing rigid PUR/PIR foams comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, A5 optionally auxiliaries and additives, and B an organic polyisocyanate component. Component A1 comprises a triurethane triol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.

Provided are a sound-absorbing membrane, a sound-absorbing material, and methods of manufacture therefor that can provide suitable sound absorbing performance, suppressed deterioration in appearance quality, and easy production. A sound-absorbing membrane 10 includes: a base sheet 11 made of a nonwoven fabric having a airflow resistance of 0.01 to 0.1 kPa.Math.s/m; and a resin film 12 covering one surface of the base sheet, the resin film 12 made of a thermosetting resin in a semi-cured state. Fillers 13 made of powder having an average particle diameter of 1 to 100 m are dispersed in the resin film 12. The sound-absorbing membrane 10 has a whole airflow resistance of 0.2 to 5.0 kPa.Math.s/m. A sound-absorbing material 20 includes a sound absorbing base sheet 21 made of a porous material, and the sound-absorbing membrane 10 laminated on one surface or both surfaces of the sound absorbing base sheet 21 such that the resin film 12 faces the sound absorbing base sheet 21, the sound-absorbing material 20 has a predetermined shape.

Present embodiments relate to assemblies for and methods of manufacturing laminate foam mattresses including, but not limited to, cushions and other mattress. More specifically, the embodiments pertain to, without limitation, a glue bridge assembly used to form laminate mattresses and the methods of using the glue bridge assembly.

Fire protective compositions include colloidal silica solids, clay, a low biopersistence fiber or refractory ceramic fiber, water, and optionally a chelating agent. Methods of using the fire protective compositions include providing a polymeric foam substrate, applying the fire protective composition on the polymeric foam substrate, and allowing the fire protective composition to dry.

A ceramic composite for an armor system includes a ceramic core, a first reinforcement layer, and a second reinforcement layer. The first reinforcement layer includes a first plurality of reinforcing members, and the first plurality of reinforcing members are arranged within the first reinforcement layer in a first reinforcement orientation. The second reinforcement layer includes a second plurality of reinforcing members, and the second plurality of reinforcing members are arranged within the second reinforcement layer in a second reinforcement orientation. The first reinforcement layer and the second reinforcement layer are attached to the ceramic core such that first reinforcement orientation and the second reinforcement orientation do not align.

The invention relates to composite floorings, more particularly to a soundproof composite flooring of magnesium sulfate and solid wood. The soundproof composite flooring includes a paint layer, a solid wood layer, a magnesium sulfate substrate layer, and a soundproof layer which are sequentially arranged from top to bottom; the solid wood layer and the magnesium sulfate substrate layer are bonded via AB glue by cold pressing or via a hot-melt adhesive; a plurality of cylindrical holes are arranged along edges of an upper surface of the magnesium sulfate substrate layer, and a buffer structure is arranged in each of the cylindrical holes; the buffer structure includes a rubber base which fits a bottom of the cylindrical holes, and a support disk which is opposite to the solid wood layer. The rubber base and the support disk are connected by a rubber column.

Reinforced concrete structures and assemblies, building systems, and methods of fabrication.

An enclosure member for a building structure comprising a planar laminate having a first facing layer; a layer of foam having a first face and a second opposing face; and a second facing layer; where the first facing layer is fastened to the first face of the layer of foam, and the second facing layer is fastened to the second opposing face of the layer of foam. An edge of the enclosure is provided with a perimeter structure that can perform one or more of a sealing function, an edge reinforcement function and a pivotable joining function with another enclosure, in accordance with the particular embodiment.

A foldable building structure package having a first folded configuration and a second unfolded configuration. The package has a first enclosure component portion and an enclosure member selected from the group consisting of an enclosure component and a second enclosure component portion, with the enclosure member being joined to and moveable with respect to the first enclosure component portion from a folded position to an unfolded position to form a first part of the building structure in its second unfolded configuration. There is a first deployment bracket secured to the first enclosure component portion, a deployment strut adapted to be secured to the first deployment bracket at a first end and having a rotatable sheave at a second end, and a fastener positioned on the enclosure member for receiving a line run from the tang over the rotatable sheave.

An enclosure component having a thickness for a building structure having an interior sheathing layer comprising paper; a first structural layer bonded to the interior sheathing layer and comprising a first generally rectangular structural panel of magnesium oxide arranged in a side-by-side relationship with a second generally rectangular structural panel of magnesium oxide to define a first structural panel seam between the first and second structural panels. There is a first binding strip of magnesium oxide positioned over the first structural panel seam and fastened to form a lap joint with the first structural panel and with the second structural panel, so as to bond together the first and second structural panes. The enclosure component includes a first strengthening layer, comprising woven fiber mat, bonded to the first structural layer; and a foam layer with first and second opposing faces comprising a first generally rectangular foam panel and a second generally rectangular foam panel arranged in a side-by-side relationship to define a foam panel seam between the first and second foam panels. The first structural panel seam is offset from the foam panel seam a select distance in a direction generally perpendicular to the thickness. The first strengthening layer is bonded to the first opposing face of the foam layer. The enclosure component also has a second structural layer comprising a third generally rectangular structural panel of magnesium oxide arranged in a side-by-side relationship with a fourth generally rectangular structural panel of magnesium oxide to define a second structural panel seam between the third and fourth structural panels. There is a second binding strip of magnesium oxide positioned over the second structural panel seam and fastened to form a lap joint with the third structural panel and with the fourth structural panel, so as to bond together the third and fourth structural panels. The second structural panel seam is offset from the foam panel seam a select distance in a direction generally perpendicular to the thickness; and the second structural layer is bonded to the second opposing face of the foam layer.