Patent classifications
B32B2307/306
Adaptive microtexturing of a composite material
An article including a composite including a subsurface structure and a second phase of material forming a coating on the subsurface structure. The coating includes a first region defining a first plurality of microtextures in an outer surface of the coating, where the first plurality of microtextures include an average bore width of less than about 250 micrometers (μm) and a first average bore depth, and a second region positioned adjacent to the first region wherein the coating defines a second plurality of microtextures on the outer surface of the coating, where the second plurality of microtextures include an average bore width of less than about 250 μm and a second average bore depth less than the first average bore depth.
Multilayered container and method for producing same
Provided is a multilayered container including a polyester layer containing a thermoplastic polyester resin (X) and a polyamide layer containing a polyamide resin (Y), wherein the polyester layer is an innermost layer, and the polyamide layer is an intermediate layer. The polyamide resin (Y) has a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid. At least 70 mol % of the constituent units derived from a diamine are a constituent unit derived from a xylylenediamine, and at least 70 mol % of the constituent units derived from a dicarboxylic acid are a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. When an overall thickness is 100%, the polyamide layer is present from a position of 5 to 35% from an inner surface, and a thickness of the polyamide layer is from 1 to 15%.
Thermoform windshield stack with integrated formable mold
A method of installing a stack of two or more lenses on a curved substrate includes placing a moldable coveting on a curved substrate, the moldable covering including a stack of two or more lenses, an adhesive layer interposed between each pair of adjacent lenses from among the two or more lenses, and a sacrificial layer disposed on an outermost lens of the stack, the sacrificial layer including a sacrificial lens and a sacrificial adhesive interposed between the sacrificial lens and the outermost lens of the stack. The method may include applying heat and pressure to the sacrificial layer and peeling off the sacrificial layer to reveal the stack of two or more lenses.
RESIN COMPOSITION AND RESIN-ATTACHED COPPER FOIL
There is provided a resin composition exhibiting excellent dielectric properties, high adhesion to a low-roughness surface, heat resistance, and excellent water resistance. This resin composition includes (a) a polymer having a polyphenylene ether backbone and a butadiene backbone in one molecule and having at least one selected from the group consisting of a vinyl group, a styryl group, an allyl group, an ethynyl group and a (meth)acryloyl group and at least any one of (b) a polymer including a styrene butadiene backbone and (c) a polymer including a cycloolefin backbone, wherein the content is the component (a) of 15 to 60 parts by weight and the total content of the component (b) and the component (c) is 40 to 85 parts by weight, based on 100 parts by weight of the total content of the component (a), the component (b), and the component (c).
PREPREG, LAMINATE, AND INTEGRATED PRODUCT
A prepreg includes [A], [B], and [C] described below. The [B] further comprises [B′]; a ratio of a mole number of an active hydrogen contained in [B′] to a mole number of an epoxy group in an epoxy resin contained in [B] is in a range of 0.6 to 1.1 both inclusive; [C] is present on a surface of the prepreg; and [A] that crosses over a boundary surface between a resin region containing [B] and a resin region containing [C] and that is in contact with both resin regions is present: [A] a reinforcing fiber; [B] an epoxy resin composition; an amine compound; and [C] a thermoplastic resin composition.
Laminate body and packaging bag using the same
A laminated body having at least two or more different layers, wherein the laminate body is characterized by satisfying the following requirements (1) to (5): (1) the laminate body has a heat-sealing layer as at least one of the outermost layers, wherein the heat-sealing layer includes a polyester based component containing ethylene terephthalate as a main constituent component, and a sealing strength of 8 N/15 mm to 30 N/15 mm; (2) at least one layer other than the heat-sealing layer is an inorganic thin film layer; (3) a water vapor permeation rate of 0.1 g/m.sup.2.Math.d to 6 g/m.sup.2.Math.d; (4) an oxygen permeation rate of 5 ml/m.sup.2.Math.d.Math.MPa to 30 ml/m.sup.2.Math.d.Math.MPa; and (5) a heat shrinkage rate of −5% to 5%.
Antifouling film equipped with protective film and method for manufacturing same
[PROBLEM] To provide an antifouling film equipped with protective film having an antifouling layer with excellent antifouling characteristics even after aging, and to a method for manufacturing same. [SOLUTION MEANS] An antifouling film equipped with protective film in which protective film is laminated on an antifouling layer of an antifouling film having an antifouling layer on a substrate film X, the antifouling film equipped with protective film being such that, when the protective film is detached from the antifouling film, a contact angle of water with respect to a surface of the protective film that had been in contact with the antifouling layer of the antifouling film is 90° to 115°. And also a method for manufacturing the aforementioned antifouling film equipped with protective film in which aging is carried out under certain temperature conditions while the protective film is laminated to a surface of the antifouling layer.
Release liner and method for producing the same
A release liner and a method for producing the same are provided. The release liner includes a resin base layer and two resin release layers. The resin base layer has two surfaces opposite to each other. The two resin release layers are respectively formed on the two surfaces of the resin base layer. Each of the resin release layers includes: a non-polar resin material and a polar resin material. In each of the resin release layers, the polar resin material is dispersed in the non-polar resin material in a plurality of granular forms, an average particle size of the polar resin material ranges from 0.1 μm to 10 μm, and a content of the polar resin material in the resin release layer ranges from 10 wt % to 50 wt %, so that a surface roughness (Ra) of the resin release layer ranges from 0.1 μm to 10 μm.
Method for manufacturing exterior housing and electronic device comprising same
An electronic device of the present invention comprises: an exterior housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a display of which at least a part is exposed through the first surface; and a polymer plate which forms at least a part of the second surface of the housing. The polymer plate comprises: at least one opaque layer; at least one polymer layer that is translucent or transparent and is disposed on the at least one opaque layer; and a coating layer that is disposed on the at least one polymer layer and has a hardness greater than or equal to a selected hardness. Each of the at least one opaque layer, the at least one polymer layer, and the coating layer may comprise a first surface, and a second surface extending from the first surface so that at least a part thereof is bent. Other embodiments are also possible.
Method for producing polyester film having furandicarboxylate unit
It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×10.sup.7 Ω.Math.cm or less.