B32B2038/168

ULTRA-LIGHT NANOTECHNOLOGY BREATHABLE GOWNS AND METHOD OF MAKING SAME
20230040653 · 2023-02-09 ·

A protective garment is constructed with a fibrous material. The fibrous material comprises a first nonwoven layer, a second nonwoven layer, and a nanofiber layer laminated between the first nonwoven layer and the second nonwoven layer. The fibrous material has a mean flow pore size greater than or equal to about 0.02 micron and less than or equal to about 0.5 microns, and a water vapor transmission rate greater than or equal to about 10000 g/m.sup.2/day and less than or equal to about 100000 g/m.sup.2/day. In a method of making a fibrous layer, a first nonwoven layer and a nanofiber layer are provided. A polyurethane reactive resin is applied to the first nonwoven layer in an amount of 2 to 30 g/m.sup.2. The nanofiber layer is then laminated to the first nonwoven layer applied with the polyurethane reactive resin and pressed to form the fibrous layer.

LAMINATE PRODUCTION METHOD
20180007800 · 2018-01-04 ·

To provide a manufacturing method of a laminate body, including: a step of forming onto a supporting body a curable resin composition layer formed from a thermosetting resin composition to obtain a curable resin composition layer with a supporting body; a step of laminating the curable resin composition onto a substrate on a curable resin composition layer forming surface side to obtain a pre-cured composite with a supporting body formed from a substrate and a curable resin composition layer with a supporting body; a step of performing a first heating of the pre-cured composite and thermally curing the curable resin composition layer to obtain a cured composite with a supporting body formed from a substrate and a cured resin layer with a supporting body; a step of performing hole punching from the supporting body side of the cured composite with a supporting body to form a via hole in the cured resin layer; step of removing resin residue in the via hole of the cured composite with a supporting body; a step of peeling the supporting body from the cured composite with a supporting body to obtain a cured composite formed from a substrate and a cured resin layer, and a step of forming a dry plated conductor layer by dry plating on an inner wall surface of the via hole of the cured composite and on the cured resin layer.

METHODS FOR PREPARING FUNCTIONAL OPTICAL FILMS
20230226784 · 2023-07-20 ·

The disclosure provides post-production methods for functionalization of optical quality films produced by top tier manufactures. The methods disclosed herein allow for the incorporation of different additives into existing films.

Reactivation of co-cured film layers

The present disclosure is directed to a method for reactivating a co-cured film layer disposed on a composite structure, the method comprising applying a reactivation treatment composition comprising at least two solvents and a surface exchange agent comprising a metal alkoxide or chelate thereof to the co-cured film layer, and allowing the reactivation treatment composition to create a reactivated co-cured film layer, wherein the co-cured film layer was previously cured at a curing temperature greater than about 50° C. A reactivated co-cured film layer and an aircraft part having a reactivated co-cured film layer are also provided.

WATER VAPOR-PERMEABLE COMPOSITE MATERIAL
20220349119 · 2022-11-03 · ·

A composite material contains a nonwoven layer (i) which contains fibers formed from a first thermoplastic elastomer having meshes with a mesh size in the range from 10 to 100 μm, and a membrane layer (ii) which contains a second thermoplastic elastomer and having a layer thickness of less than 30 μm. The membrane is either pore-free (ii.1) or is porous and has pores with an average pore diameter of less than 2000 nm (ii.2). The membrane (ii) is at least partially in direct contact with the fibers of the nonwoven layer (i) and covers the mesh openings in the nonwoven layer (i) at least partially. The fibers of the first nonwoven layer (i) and the membrane (ii) in the contact area are at least partly joined to one another in an interlocking manner.

HIGH-CTI AND HALOGEN-FREE EPOXY RESIN COMPOSITION FOR COPPER-CLAD PLATES AND USE THEREOF
20170292018 · 2017-10-12 ·

A high-CTI and halogen-free epoxy resin composition for copper-clad plates and uses thereof is provided. The formula of the high-CTI and halogen-free epoxy resin composition for copper-clad plates comprises 100˜140 parts of halogen-free phosphorous epoxy resin, 10˜35 parts of dicyclopentadiene phenolic epoxy resin, 32˜60 parts of benzoxazine, 1˜5 parts of phenolic resin, 0.05˜0.5 parts of accelerants; and 25˜70 parts of fillers, by weight. The copper-clad plates, prepared according to embodiments of the present invention, can reach the requirements of high CTI (CTI≧500V), high heat resistance(Tg≧150 ° C., PCT, 2 h>6 min) and the level of flame retardance of UL-94 V0, and they are widely used in the electronic materials of electric machines, electric appliances, white goods and so on.

Polarizing plate and method of producing polarizing plate

A method of producing a polarizing plate according to an embodiment includes: applying an application liquid containing a polyvinyl alcohol-based resin and a surfactant onto a resin substrate to produce a laminate in which a polyvinyl alcohol-based resin layer is formed on the resin substrate; stretching and dyeing the polyvinyl alcohol-based resin layer formed on the resin substrate to produce a polarizing film; laminating an optical functional film on a polarizing film side of the laminate to produce an optical functional film laminate; and peeling the resin substrate from the optical functional film laminate. A content of the surfactant in the application liquid is less than 1 part by weight with respect to 100 parts by weight of the polyvinyl alcohol-based resin.

Optical assembly and the method to make the same

The optical assembly comprises: a first optical film having a first surface; an adhesive disposed on the first surface of the first optical film, wherein the adhesive comprises a photo-curable portion and a thermally-curable portion mixed with the photo-curable portion, wherein the weight ratio of the thermally-curable portion of the adhesive to the adhesive is less than 5%; and a second optical film comprising a photo-curable material, wherein the adhesive is bonded to the second optical film through the bonding between the photo-curable portion of the adhesive and the photo-curable material of the second optical film.

Electronic component, method for producing same, and sealing material paste used in same

An electronic component has an organic member between two transparent substrates, in which outer peripheral portions of the two transparent substrates are bonded by a sealing material containing to melting glass. The low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of oxides. The sealing material is formed of a sealing material paste which contains the low melting glass, a resin binder and a solvent, the low melting glass containing vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of the oxides. Thereby, thermal damages to an organic element or an organic material contained in the electronic component can be reduced and an electronic component having a glass bonding layer of high reliability can be produced efficiently.
V.sub.2O.sub.5+TeO.sub.2+Fe.sub.2O+P.sub.2O.sub.5≧90(mass %)  (1)
V.sub.2O.sub.5>TeO.sub.2>Fe.sub.2O.sub.3>P.sub.2O.sub.5 (mass %)  (2)

METHOD FOR MAKING A COATED FABRIC
20170274579 · 2017-09-28 · ·

A method for making a coated fabric includes the steps of: applying a coating solution of a resin in an organic solvent to a roller-conveyed non-stretchable and releasable substrate web to form a coating layer; laminating a roller-conveyed base fabric to the coating layer to form a laminate; guiding the laminate to pass through at least one tank containing water to immerse the laminate in water such that the coating layer is solidified and the organic solvent contained in the coating layer is replaced by water; and removing water from the coating layer by drying to leave micropores in the coating layer.