Patent classifications
B32B2307/51
SOUNDPROOF MEMBER
A soundproof member includes: a first elastic porous body layer; a first film layer; a second elastic porous body layer; and a second film layer, the layers arranged in the stated order from a sound source (S) side, wherein the first and second elastic porous body layer each have: a thickness of 0.5 mm or more and 10 mm or less; a bulk density of 45 kg/m.sup.3 or more and 550 kg/m.sup.3 or less; and a Young's modulus of 7,000 Pa or more and 28,000 Pa or less, and wherein a total (L1/Λ1+L2/Λ2) of a ratio (L1/Λ1) of the thickness L1 (mm) of the first elastic porous body layer to a viscous characteristic length Λ1 (μm) thereof and a ratio (L2/Λ2) of the thickness L2 (mm) of the second elastic porous body layer (20) to a viscous characteristic length Λ2 (μm) thereof is 0.11 or more.
ELASTIC FILM LAMINATES WITH FILM MADE IN A CALENDARING PROCESS
Disclosed is a process for creating an elastic film or sheet by calendaring a composition, including a polymer and a fabric. The composition may include a polymer, a cotton, or a combination of both. The calendared composition can form tough, flexible films and sheets. The film and sheet can have optical and physical properties that make them suitable as a replacement for some PVC films. Also disclosed is a composition for calendaring including a fabric and a polymer.
Stretchable films, methods of manufacturing the same and display devices including the same
A display device including a flexible base substrate; a pixel circuit and a light emitting structure sequentially disposed on the flexible base substrate; and a stretchable film attached on a bottom of the flexible base substrate. The stretchable film includes a first region and a second region, which are divided according to curvatures of an object, and at least one of different patterns and different disposed structures are arranged in each of the first region and the second region.
Air and water barrier article with porous layer and liner
There is provided an article that includes a polymeric layer disposed on and covering a first major surface of an porous layer, an adhesive layer disposed on a second major surface of the elastic layer opposite the polymeric layer; and a liner disposed on a major surface of the polymeric layer opposite the first major surface of the elastic layer. The polymeric layer and the porous layer together form an air and water barrier that is water vapor permeable. The liner is water vapor impermeable. In a preferred embodiment the polymeric layer comprises a polyoxyalkylene polymer having at least one end group derived from an alkoxy silane. A method of applying the article to a surface of a building component is also provided.
Foam sheet
Provided is a foam sheet that can raise an electrostatic capacitance at the time of compression, and hence can improve sensitivity when used for an electrostatic capacitance sensor. The foam sheet includes: a foam layer; and a pressure-sensitive adhesive layer arranged on at least one side of the foam layer, wherein the foam sheet has a dielectric constant increase amount Q-P at 10% compression of 0.2 (F/m) or more, where P (F/m) represents a dielectric constant of the foam sheet immediately after the foam sheet has been left at rest under conditions of a temperature of 23° C. and a humidity of 50% for 2 hours, and Q (F/m) represents a dielectric constant of the foam sheet at a time when the foam sheet is compressed by 10% immediately after being left at rest under the conditions of a temperature of 23° C. and a humidity of 50% for 2 hours.
Laminated Type Patch
The present disclosure, for example, can include a laminated type patch A, comprising a release layer 1, a drug layer 2, a drug support layer 3 having elasticity, an adhesive layer 4, and an adhesive support layer 5 laminated in this order, wherein the outer edges of the release layer, the adhesive layer, and the adhesive support layer are all outside the outer edges of both the drug layer and the drug support layer; wherein the portion surrounded by the outer edges of the drug layer and the drug support layer, and the inner sides of the release layer and the adhesive layer has a space; and wherein the cross-sectional area of the space is 0.3 mm2 or more, at least when cut along the longitudinal centerline and the transverse centerline on the plane surfaces of the drug layer and the drug support layer.
Flexible tube having high temperature resistance
A flexible pipe of multilayer structure with unbonded layers, where the pipe has an interior lining which comprises the following layers: a) at least one layer of which the material is composed of a moulding composition based on a polymer selected from the group of: polyarylene ether ketone, polyphenyl sulphone, polyphenylene sulphide, polyarylene ether ketone/polyphenylene sulphide blend and semiaromatic polyamide, where from 5 to 100 mol % of the dicarboxylic acid content thereof derives from an aromatic dicarboxylic acid having from 8 to 22 carbon atoms, and which has a crystallite melting point Tm of at least 260° C.; b) at least one layer of which the material is composed of a fluoropolymer moulding composition
can be operated at temperatures above 130° C. The pipe has particular suitability for offshore applications in the production of oil or of gas.
Laminated assembly and manufacturing method
A laminated assembly extends in a longitudinal direction and a lateral direction orthogonal to the longitudinal direction, the assembly including a non-woven sheet and an elastic film that are laminated together, the non-woven sheet including at least one activated zone extending over the length of the non-woven sheet measured in the longitudinal direction and over a width that is strictly less than the width of the non-woven sheet measured in the lateral direction, the degree of activation of the activated zone of the non-woven sheet in the lateral direction being different from the degree of activation of the elastic film in the lateral direction, the degree of activation of the activated zone of the non-woven sheet in the lateral direction lying in the range 20% to 200%.
Elastic membrane
The invention relates to an elastic membrane comprising an elastomer having an elongation at break of greater than 150% measured according to DIN 53504, wherein the thermoplastic elastomer (P1) comprises a polyurethane elastomer based on the following components: 11 % to 79% by weight of a mixture of at least one diol (D1) and at least one isocyanate (I1), 21% to 89% by weight of at least one compound (C1) having at least two isocyanate-reactive groups.
Flow body for a vehicle with a compressible skin
A flow body for a vehicle having a flow surface, as well as a skin system attached to the flow surface is proposed. The skin system has a top layer and a foam arrangement positioned between the flow surface and the top layer, wherein the top layer includes an elastic, surface-like material, wherein the foam arrangement includes a first layer of an elastic, compressible open cell foam, wherein the foam arrangement is bonded to the top layer. The skin system has a static shape in an unloaded state, in which the shape defines an outer surface geometry that directly follows the geometry of the respective flow surface, and the skin system has a deflected shape when the flow body is subjected to turbulent air flow. The deflected shape at least temporarily compresses the foam arrangement.