Described herein are sun care compositions, comprising UV reflective particles ground from an extruded film having a plurality of alternating layers of polycarbonate (PC) and poly(methyl methacrylate) (PMMA), wherein each layer is less than 150 nm thick; and at least one of a cosmetically acceptable emollient, humectant, vitamin, moisturizer, conditioner, oil, silicone, suspending agent, surfactant, emulsifier, preservative, rheology modifier, pH adjustor, reducing agent, anti-oxidant, and/or foaming or de-foaming agent, and methods of making and using the sun care compositions.

A non-asphaltic breathable sheet is provided that includes at least one breathable polymer layer and at least one nonwoven layer. The breathable sheet may include an open-mesh reinforcing fabric embedded in a breathable polymer layer. The breathable sheet has an advantageous balance of strength, water resistance, and permeability to water vapor.

A multilayer composite includes adjacent filler layers having a filler material dispersed within a first polymeric matrix and an intervening-layer disposed between the adjacent filler layers. The intervening-layer comprises nanoplatelets embedded within a second polymeric matrix and are aligned substantially parallel to the adjacent filler layers. The intervening-layer is configured to fail upon application of a force to the multilayer composite that is greater than or equal to a predetermined force threshold.

An acoustically insulated machine including a source of noise positioned within a housing, a first insulation member positioned within the housing and including a first porous sound absorbing layer and a first dense layer, and a second insulation member positioned within the housing and including a second porous sound absorbing layer and a second dense layer. The first insulation member being is positioned closer to the internal source of noise than the second insulation member and the first insulation member being spaced apart from the second insulation member such that an air gap is formed between the first insulation member and the second insulation member.

Laminate structure comprising an alternating stack of layers from polymer blends AC and BD having the sequence -AC-[BD-AC-].sub.n with n from 4 to 36, wherein the layer thickness of layers AC and layers BD is less than 3 μm, wherein A and B are thermoplastic polymers and C and D are thermoplastic elastomers, wherein the thermoplastic polymer B has functional barrier properties, wherein the amount of the thermoplastic elastomers C and D in the polymer blends AC and BD is each from 3 to 45 wt.-%, and polymer B and elastomer D are essentially incompatible.

In various embodiments, a wearable component configured to be worn on a head of a user is disclosed. The wearable component can comprise a wearable support and an electronic component coupled to or disposed within the wearable support. A thermal management structure can be provided in thermal communication with the electronic component. The thermal management structure can be configured to transfer heat from the electronic component away from the head of the user when the wearable support is disposed on the head of the user.

A penetration part fireproof covering material used when a penetration part covered for fireproof is formed in a fireproof beam that is a fireproof constructional member that constitutes a wooden building, wherein the penetration part fireproof covering material is formed to have a tubular shape by stacking a plurality of gypsum board pieces (13a) formed from gypsum boards in a thickness direction and unitarily connecting the plurality of gypsum board pieces. The penetration part fireproof covering material is formed to have the tubular shape by stacking the plurality of gypsum board pieces that preferably have an annular shape and are cut out from commercially available gypsum boards having thicknesses of 9.5 mm to 25.5 mm while fixing the plurality of gypsum board pieces to each other preferably using metal fasteners such as staples, and unitarily connecting the plurality of gypsum board pieces.

A dehumidifying element includes a plurality of sheets that have moisture adsorption and desorption properties and that are stacked on top of each another. At least some of the sheets each have an irregular shape. The sheets each contain a hygroscopic agent having properties of a re-moistening-type glue that exhibits adherence when adsorbing moisture and that solidifies when being dried. The sheets are bonded to each other by the hygroscopic agent.

Provided is an interlayer film for laminated glass capable of preventing a winding core from falling off a roll body of the interlayer film. The interlayer film for laminated glass according to the present invention includes one end and the other end being on an opposite side of the one end, the one end having a thickness of 1.05 mm or less, a first resin layer having a glass transition temperature of less than 15° C., a second resin layer having a glass transition temperature of 15° C. or more, and a region where a total number of laminated layers of the first resin layer and the second resin layer in a thickness direction is five or more, and in the region where the total number of laminated layers is five or more, the region has Y.sub.1/Z being 1.01 or more when a thickness by one layer of surface layers is denoted by Y.sub.1 μm and a thickness by one layer of layers neighboring the surface layers is denoted by Z μm.

Systems and methods for semi-discrete modeling of delamination migration in composite laminate materials are disclosed. An example method includes receiving a specimen geometry and a specimen stacking sequence. The example method also includes creating a finite-element (FE) mesh that defines a composite laminate material by: generating, using a mesh generation tool, a plurality of plies shaped according to the specimen geometry, and connecting the plies together based on the stacking sequence by placing cohesive elements between each adjacent pair of plies. The example method also includes determining a predicted mechanical response of the composite laminate material by: generating a constitutive model corresponding to the composite laminate material based on the FE mesh, and inputting a strain value to the constitutive model to generate the predicted mechanical response.