Patent classifications
B32B5/271
PACKAGING BODY AND METHOD FOR PRODUCING SAME
A package (1) includes a bag (20) and a sheet laminate (10) packaged in the bag (20). The sheet laminate (10) includes a first fiber sheet (11) including a first fiber including a PET resin having a melting point higher than 230° C., and a second sheet (12) including a thermoplastic resin having a melting point of 230° C. or lower. The sheet laminate (10) includes a joined portion (30) in which the first fiber sheet (11) and the second sheet (12) are joined adjacently to each other. In the joined portion (30), constituent resin of the first fiber sheet (11) is embedded in the thermoplastic resin constituting the second sheet (12). The present invention also provides a production method of the package.
Laminated acoustic absorption member
A laminated acoustic absorption member that includes at least a first fiber layer and a second fiber layer, as well as at least one substrate layer present between the first fiber layer and the second fiber layer, wherein: the first fiber layer has an average flow pore diameter of 0.5-10 μm and a basis weight of 0.1-200 g/m.sup.2; the second fiber layer has an average flow pore diameter of 0.5-10 μm, the average flow pore diameter of the second fiber layer being equal to or less than that of the first fiber layer, and also has a basis weight of 0.1-200 g/m.sup.2; the substrate layer has an air permeability of 40 cc/cm.sup.2.Math.s or greater as measured by the Frazier method, and a basis weight of 1-700 g/m.sup.2; and the first fiber layer and the second fiber layer are disposed on a sound-incidence side and a sound-transmission side, respectively.
USE OF A COMPOSITE MATERIAL AS PACKAGING MATERIAL
A packaging includes a composite material. The composite material includes a barrier layer and a backing layer. The backing layer includes a spunbonded nonwoven, arranged on at least one side of the barrier layer and bonded to the barrier layer by heat and pressure. The barrier layer includes a nonwoven containing 1 to 70 wt % melt-blown fibers and 30 to 99 wt % staple fibers, relative to a total weight of the nonwoven in each case.
FILTER MATERIAL USED FOR AUTOMOBILE AIR CONDITIONING AND CAPABLE OF FILTERING OUT VOLATILE ORGANIC COMPOUND (VOC) GAS, AND PROCESS THEREOF
The present disclosure provides a filter material used for automobile air conditioning and capable of filtering out volatile organic compound (VOC) gas, including a sandwich structure (100) and an activated carbon fiber (ACF) non-woven fabric layer (200) located at one side of the sandwich structure (100), where, the ACF non-woven fabric layer (200) is composed of interleaved ACFs, and the ACF non-woven fabric layer (200) is compounded with the sandwich structure (100) via hot melt adhesive (HMA) (210).
ABSORBENT ARTICLE
To improve the diffusibility of excreted liquid by a simple method, an absorbent article includes a liquid pervious top sheet that includes a portion located on a surface, an absorber that contains a super absorbent polymer provided on a back surface side of the top sheet, and a liquid pervious intermediate sheet provided between the top sheet and the absorber. The top sheet, the intermediate sheet, and the absorber are provided at least in a region from a first position in a crotch portion or in a vicinity of the crotch portion to a second position apart from the first position, and the intermediate sheet has an adhered portion of a cellulose nanofiber assembly continuing over at least the first position and the second position.
ABRASION RESISTANT WIPE AND MANUFACTURING METHOD THEREFOR
An abrasion resistant wipe and a manufacturing method therefor. The abrasion resistant wipe has an upper layer and a lower layer each being a meltblown fiber web and a middle layer being wood pulp fiber web; wherein the meltblown fiber web comprises meltblown fibers with fiber surface being high melting point resin and meltblown fibers with fiber surface comprising low melting point resin; there is a difference of ≥20° C. between melting point of the low melting point resin and melting point of the high melting point resin; percentage of the meltblown fibers with fiber surface comprising low melting point resin in total fibers of the meltblown fiber web is greater than 5%; the meltblown fibers of the meltblown fiber web penetrate in the wood pulp fiber web.
COMPOSITE ROOFING MEMBRANE
A composite roofing membrane is disclosed having upper and lower surfaces. The composite roofing membrane contains, in order, a first membrane, a second membrane, and a nonwoven fleece. The first membrane has a first side and a second side, where the first side of the first membrane forms the upper surface of the composite roofing membrane, and where the first membrane comprises a thermoplastic polymer. The second membrane has a first side and a second side, where the first side of the second membrane is adjacent to and in direct and intimate contact with the second side of the first membrane, and where the second membrane comprises a thermoplastic polymer. There are no fibers or yarns between the first and second membranes. The nonwoven fleece contains a plurality of yarns, has a tensile strength of between 100 and 1000 lb.sub.f, and a tear strength of between 20 and 200 lb.sub.f.
LAMINATED ACOUSTIC ABSORPTION MEMBER
A laminated acoustic absorption member that includes at least a first fiber layer and a second fiber layer, as well as at least one substrate layer present between the first fiber layer and the second fiber layer, wherein: the first fiber layer has an average flow pore diameter of 0.5-10 μm and a basis weight of 0.1-200 g/m.sup.2; the second fiber layer has an average flow pore diameter of 0.5-10 μm, the average flow pore diameter of the second fiber layer being equal to or less than that of the first fiber layer, and also has a basis weight of 0.1-200 g/m.sup.2; the substrate layer has an air permeability of 40 cc/cm.sup.2.Math.s or greater as measured by the Frazier method, and a basis weight of 1-700 g/m.sup.2; and the first fiber layer and the second fiber layer are disposed on a sound-incidence side and a sound-transmission side, respectively.
Systems and methods for making multi-layer meltblown mats
Systems and methods are disclosed for producing multi-layer meltblown mats. The method includes depositing first meltblown fibers onto a first moving surface such as a conveyor belt to form a first layer of meltblown fibers, and depositing second meltblown fibers onto a second moving surface such as a conveyor belt to form a second layer of meltblown fibers. The first and second layers of meltblown fibers are fed through opposed rollers to form combined meltblown layers comprising the first layer of meltblown fibers and the second layer of meltblown fibers. The combined meltblown layers are bonded together to produce a bonded multi-layer meltblown sheet. The bonded multi-layer meltblown sheet has a first outer exposed surface formed by contact of the first layer of meltblown fibers with the first moving surface, and a second outer exposed surface formed by contact of the second layer of meltblown fibers with the second moving surface.
Absorptive sound insulation
An absorption sound insulation for motor vehicle interiors and luggage compartments with absorption/stiffening nonwovens or 3D absorbers is formed of partially or completely cellulose wool, and includes a wear layer, and an absorbent/stiffening nonwoven fabric laminated thereunder formed of rayon of solid individual phases having a multi-leg cross-sectional shape with at least three legs, in which the legs of the cross-sectional profile each have a length/width ratio of at least 2:1 and the individual titre is 0.5 to 5 dtex.