An apparatus is arranged to control a quantity of binder resin that is carried by a thread, the apparatus comprising at least one first tine row being arranged parallel and displaceably to at least one second tine row, wherein a guide track for the thread is formed transversely to the tine rows and a displacement of at least one tine row the guide track. A method for controlling the quantity of binder resin by using tines is described as well.

A solution is provided comprising boron nitride nanotubes (BNNTs) in a liquid solvent. An optical waveguide, such as an optical fiber, is contacted with the solution so as to form a layer of the solution supported on at least a portion of the optical waveguide. The liquid solvent is then removed from the layer of the solution supported on the optical waveguide in order to form a coating of the BNNTs on the optical waveguide. Further provided is a BNNT coated optical waveguide for use as a sensor.

A solution is provided comprising boron nitride nanotubes (BNNTs) in a liquid solvent. An optical waveguide, such as an optical fiber, is contacted with the solution so as to form a layer of the solution supported on at least a portion of the optical waveguide. The liquid solvent is then removed from the layer of the solution supported on the optical waveguide in order to form a coating of the BNNTs on the optical waveguide. Further provided is a BNNT coated optical waveguide for use as a sensor.

Provided is a method for manufacturing an aerogel blanket having improved processability by reducing manufacturing time and cost, the method including the steps of mixing a precursor material, an acid catalyst and a hydrous alcohol to prepare a sol, depositing a substrate in the sol, and reacting with a gaseous silazane-based compound to form a gel and to perform aging and surface modification reaction simultaneously to form a wet gel blanket, and drying the wet gel blanket to manufacture an aerogel blanket.

A method for manufacturing an optical fiber includes: gripping a preform by a gripper that includes an aligner; forming a bare fiber by melting the preform in a melting furnace; cooling the bare fiber by blowing gas in a cooler; applying a resin and coating an outer circumference of the bare fiber; curing the resin; acquiring input information that changes a flow rate of the gas blown to the bare fiber in the cooler; and adjusting based on the input information an entry position of the bare fiber into the cooler by controlling the aligner and moving the preform.

A glass fiber filter element for visible light photocatalysis and air purification and a method for preparing the same. The glass fiber filter element includes 4 to 7 wt % of nanoparticles including at least one selected from zinc oxide, graphene oxide, titanium oxide, and reduced graphene oxide, 2 to 7 wt % of silver nanowires, 3 to 12 wt % of an adhesive system, and 78 to 91 wt % of a glass fiber mat, based on the total weight of the glass fiber filter element. The glass fiber mat is made of at least two glass fibers with different diameters, and the diameters are in a range of 0.15 to 3.5 μm. The nanoparticles have a particle size from 1 to 200 nm, and the silver nanowires have a diameter of 15 to 50 nm.

A glass fiber filter element for visible light photocatalysis and air purification and a method for preparing the same. The glass fiber filter element includes 4 to 7 wt % of nanoparticles including at least one selected from zinc oxide, graphene oxide, titanium oxide, and reduced graphene oxide, 2 to 7 wt % of silver nanowires, 3 to 12 wt % of an adhesive system, and 78 to 91 wt % of a glass fiber mat, based on the total weight of the glass fiber filter element. The glass fiber mat is made of at least two glass fibers with different diameters, and the diameters are in a range of 0.15 to 3.5 μm. The nanoparticles have a particle size from 1 to 200 nm, and the silver nanowires have a diameter of 15 to 50 nm.

A fiber sizing agent includes: a vinyl ester resin (A) having an alkoxy polyoxyalkylene structure and a urethane bond; and an aqueous medium. The fiber sizing agent has excellent fiber sizing properties for various fibers such as glass fibers and carbon fibers. A molded article obtained from a molding material including the fiber sizing agent is excellent in various physical properties such as bending strength, compressive strength, and interlaminar shear strength, and thus can be used, for example, for an automobile member, an aircraft member, a windmill member, and an industrial member.

The invention relates to a method for depositing metal particles on a textile support, which comprises: placing at least one textile sheet (1) made of side-emitting optical fibers (2) in contact with a solution containing at least one ionic precursor of a metal to be deposited, the textile sheet (1) being formed from optical fibers (2) woven in warp and/or weft with binding threads in warp and/or weft, each of the optical fibers (2) having invasive alterations (5) along the fiber and allowing the emission of light propagating in the fiber at these alterations (5), the textile sheet (1) being coated on all or part of the surfaces thereof with a layer of semiconductor particles (4) having photocatalytic properties, the textile sheet (1) and the solution being contained in a space of a reactor (9), the space being free of oxygen; illuminating the textile sheet (1) by at least one light source (7) connected to all or part of the free ends (6) of the optical fibers (2), the light source generating light radiation suitable for activating the photocatalysis of the semiconductor inducing the deposition of metal particles on the photocatalytic layer (4).

The invention relates to a method for depositing metal particles on a textile support, which comprises: placing at least one textile sheet (1) made of side-emitting optical fibers (2) in contact with a solution containing at least one ionic precursor of a metal to be deposited, the textile sheet (1) being formed from optical fibers (2) woven in warp and/or weft with binding threads in warp and/or weft, each of the optical fibers (2) having invasive alterations (5) along the fiber and allowing the emission of light propagating in the fiber at these alterations (5), the textile sheet (1) being coated on all or part of the surfaces thereof with a layer of semiconductor particles (4) having photocatalytic properties, the textile sheet (1) and the solution being contained in a space of a reactor (9), the space being free of oxygen; illuminating the textile sheet (1) by at least one light source (7) connected to all or part of the free ends (6) of the optical fibers (2), the light source generating light radiation suitable for activating the photocatalysis of the semiconductor inducing the deposition of metal particles on the photocatalytic layer (4).