An antibacterial and antiviral degradable mask and a manufacturing method thereof are provided. From outside to inside, the mask sequentially comprises a surface layer (1), a core layer (2), and an inner layer (3) that contacts the face; the surface layer (1) is made of an antibacterial and antiviral cellulose spunlace non-woven fabric; the core layer (2) is made of a polypropylene melt-blown non-woven fabric; the inner layer (3) is made of a polypropylene spunbond non-woven fabric or a degradable natural cotton fabric. The mask can have both antibacterial and antiviral functions; moreover, the material is degradable, and thus, environmental pollution pressure caused by non-degradable petroleum-based fiber materials such as polypropylene can be effectively relieved.

Hoses include an inner tube, a reinforcement layer disposed outwardly from the inner tube, and a cover layer disposed outwardly from the reinforcement layer, where the cover layer and/or the inner tube include(s) a composition having a sustainable content. The composition includes one or more ethylene based sustainable polymers. The one or more ethylene based sustainable polymers is formed of ethylene monomer derived from one or more renewable sources. The one or more ethylene based sustainable polymers may be one or more of PVC sustainable polymer, EPDM sustainable polymer and EPR sustainable polymer.

A composite fabric includes a film having a first side and a second sides, a first fibrous layer having a first side facing the second side of the film and a second side, a fabric layer having a first side facing the second side of the first fibrous layer and a second side, a second fibrous layer having a first side facing the second side of the fabric layer and a second side, and a plurality of retaining members connected to and extending away from the second side of the second fibrous layer, the plurality of retaining members configured to contact a surface on which the composite fabric is placed to resist movement of the composite fabric relative to the surface and such that the second side of the fibrous layer is entirely spaced from the surface.

The invention relates to a method of making an insulation product and a novel insulation product, wherein the insulation product is made by adhering a facing to at least one major surface of a batt of man-made vitreous fibres in a matrix comprising a binder by the use of an adhesive and curing the adhesive. The adhesive is an aqueous composition which is free of phenol and formaldehyde and comprises: a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol/g, such as 0.03 to 1.4 mmol/g, such as 0.075 to 2.0 mmol/g, such as 0.075 to 1.4 mmol/g, based on the dry weight of the lignosulfonate lignins, a component (ii) in form of one or more cross-linkers.

A fireproof material used for a lithium battery module and a method for producing the same are provided. The fireproof material has a stacked structure formed by stacking multiple layers of mesh structures. Each layer of the mesh structures includes a plurality of first fibers and a plurality of second fibers. The first fibers are oxidized fibers, and the second fibers are silicate fibers. Each layer of the mesh structures is formed by interweaving the plurality of first fibers and the plurality of second fibers. The multiple layers of the mesh structures of the fireproof material have a stacked layer number of between 5 layers and 20 layers and a stacked layer thickness of between 0.3 mm and 5 mm. The fireproof material has a density of between 0.05 g/cm.sup.3 and 2 g/cm.sup.3 and a thermal conductivity of between 0.01 W/(m.Math.K) and 0.8 W/(m.Math.K).

Nonwoven substrates having natural fibers and methods of making the same are provided. The nonwoven substrates have a first outer surface formed from a first material layer having a plurality of elevated regions and a non-elevated interconnecting region disposed between the plurality of elevated regions. The nonwoven substrates also have a second outer surface opposite the first outer surface and formed from a second material layer and a third material layer including natural fibers. The third material layer is disposed between the first outer surface and the second outer surface in regions longitudinally adjacent the non-elevated interconnecting region. A portion of the third material layer penetrates a portion of the plurality of elevated regions where a portion of the natural fibers of the third material layer are singularized and intertwined with the cellulosic fibers of the first material layer.

An inorganic fibrous insulating material is provided that exhibits an excellent insulating performance wherein heat transfer by air convection within the insulating material and by the inorganic fibers is suppressed. This is an inorganic fibrous insulating material in which a plurality of inorganic fibrous mats are stacked. The inorganic fiber constituting the inorganic fibrous mat has a fiber diameter of 3 to 5 m and a fiber length of at least 20 mm. The inorganic fibers are bonded to each other at their contact points by a thermosetting binder. The areal weight of each inorganic fibrous mat is 300 to 600 g/m.sup.2, and the orientation angle of the inorganic fibrous mats with respect to a direction perpendicular to the thickness direction of the inorganic fibrous insulating material is inclined at from more than 0 to not more than 20.

Embodiments of the present application disclose a battery and an electrical device. The battery includes: a battery cell provided with a pressure relief mechanism; and a protective plate disposed opposite the pressure relief mechanism, wherein the protective plate includes at least two protective sheets, and the at least two protective sheets are two different polymer matrix composite fiber sheets. The technical solution provided by the present application can protect a box of the battery from gas flow impact and high-temperature melting caused by thermal runaway of the battery, thereby enhancing the safety performance of the battery.

The invention relates to a component of a gas turbine engine which has a fiber-composite material having a multiplicity of rovings, wherein at least one roving of the fiber-composite material along the spatial extent thereof has a variable cross section, at least two rovings have in each case a dissimilar cross section and/or the at least one roving follows a variable direction and the at least one roving is deposited by means of tailored fiber placement. The invention also relates to a method of a component.

The present invention is an invention about ultra-light down padding and a web for down padding used in its manufacture, and relates to ultra-light down padding having a thin thickness, excellent insulation and excellent elasticity in 4-way (or multi-directions), and a web for down padding used for manufacturing the same.