A separation sheet includes a polymeric carrier layer, a first adhesive layer, a second adhesive layer, and optionally a first and a second release liner. A method for producing a separation sheet, a method for waterproofing a substrate, a waterproofed substrate, and a use of the separation sheet for bonding of roof membranes to roof substrates.

A composite sheet and a method for producing a decorative sheet using the composite sheet are provided. The composite sheet has a base layer and a foamable layer bonded to the base layer. The foamable layer includes 100 parts by weight of a polyolefin material having an elastic modulus of <0.1 GPa, 0.1 - 10 parts by weight of a foaming agent, and 0 - 200 parts by weight of additives. The foamable layer has a thickness of 0.05 to 0.3 mm.

The present invention provides a polyethylene resin composition for a foamable laminate which gives foamed cells having sufficient height and good appearance (foamed layer), even in the case of machining under high speed conditions at the time of extrusion lamination, a foamable laminate, a method for producing the same, a foamed converted paper, and a heat insulating container. The invention relates to a polyethylene resin composition for a foamable laminate, which is used for forming a polyethylene-based resin layer (I) for foaming on at least one side of a substrate mainly composed of paper, wherein the resin composition comprises a polyethylene-based resin (A) and satisfies the following properties (a-1) to (a-4):

(a-1) the melt flow rate (MFR) of the polyethylene-based resin (A) as measured in accordance with JIS K7210 (190° C., a load of 21.18N) is 7 g/10 minutes or more and less than 20 g/10 minutes,
(a-2) the density of the polyethylene-based resin (A) in accordance with JIS K7112 at a test temperature of 23° C. is from 0.900 to 0.930 g/cm.sup.3,
(a-3) the oxygen induction time (OIT) at 180° C. is 10 minutes or more and less than 190 minutes,
(a-4) the memory effect (ME) of the polyethylene-based resin (A) as measured using a melt indexer to be used in JIS K7210 and under conditions of a cylinder temperature of 240° C. and a constant-rate extrusion output of 3 g/minute is less than 2.0.

A process for forming a moldable, uncured nonwoven composite containing forming a outermost nonwoven layer, forming a structural nonwoven layer, needling the structural nonwoven layer and the outermost nonwoven layer together from both the outer surface of the outermost nonwoven layer and the second surface of the structural nonwoven layer, applying an uncured, water-based thermosetting resin having a cure temperature of at least about 160° C. to the second surface of the structural nonwoven layer, and at least partially drying the uncured, wet nonwoven composite. Heat and pressure may be applied to form the moldable, uncured composite. A moldable, uncured nonwoven composite and a molded, cured nonwoven composite are also disclosed.

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.

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.

A reinforced sandwich panel, including two skin panels; a foam core disposed between the two skin panels; and an expandable framework disposed within the foam core.

A hybrid fabric made of at least one textile base layer and at least one synthetic layer, where the synthetic layer is at least partially embedded within the textile base layer. The embedded synthetic layer imparts numerous qualities to the hybrid fabric formed and possible designs visible through the surface of the fabric. The hybrid fabric may be manufactured in different methods including hot and cold press, knitting, felting and use of intermediate linking adhesive or polymeric layer.

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.

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.