B32B2375/00

TRANSPARENT, SHATTERPROOF, BULLET-RESISTANT GLAZING WITH FIRE PROTECTION PROPERTIES
20210379871 · 2021-12-09 ·

A transparent, shatterproof, bullet-resistant glazing with fire protection properties, consisting of a ballistic block constructed from at least two transparent panes adherently bonded to one another by at least one transparent, adhesion-promoting layer, wherein each pane has a thickness of at least 3 mm, a fire protection unit constructed from at least two transparent panes adherently bonded by a transparent, intumescent layer, and at least one spacer between the fire protection unit and the ballistic block, the surfaces of the unit and the block being arranged parallel or substantially parallel to one another such that a hollow space is situated therebetween.

PRODUCTION PROCESS OF A COMPOSITE PRODUCT
20210379801 · 2021-12-09 · ·

Production process of a composite product (1) comprising a core (2), a first layer (3) comprising a sheet impregnated with a solid polyurethane material, and a polymer-based film (7) applied to the first layer (3), wherein the process comprises: producing a semi-finished product comprising the core (2) and the sheet impregnated by a liquid mixture precursor of the solid polyurethane material; adhering the film (7) to a first half-mould (11) by applying a depression between the film (7) and the half-mould (11); pressing two half-moulds (11, 12) against each other with the semi-finished product interposed between two shaping surfaces (13), so that the film (7) comes into contact with the liquid mixture; with the semi-finished product in the mould, thermosetting the liquid mixture to transform it into the polyurethane solid material so that the film (7) firmly adheres to the first layer (3) and thus producing the composite product (1).

APPLIANCE LINER SYSTEM
20210372691 · 2021-12-02 ·

An appliance liner includes a cap layer including a high-impact polystyrene and a colorant, the cap layer forming an exterior surface of the appliance liner. The appliance liner also includes a polymeric base layer including a high-impact polystyrene and positioned inwardly with respect to the cap layer to provide structural support to the cap layer; and a barrier film positioned inwardly with respect to the cap layer. The barrier film includes silk fibers within a polymer matrix to protect the cap layer from contaminant diffusion and deformation and reduce visible wrinkling in the cap layer during hot insulation filling. Methods for forming the appliance liner are also provided.

Laminate Facing for Fiber Reinforced Materials And Composite Materials Formed Therefrom
20220161530 · 2022-05-26 ·

The present invention provides a laminate material having a polyester film and a web of polyester fibers cohesively bonded directly thereto, such that portions of the fibers are bonded to the polyester film and portions of the fibers are free from the polyester film. The invention may also include a glass reinforced polymer layer formed on the laminated facer where the polymer of the glass reinforced polymer layer is commingled with the nonwoven of the laminated facer. The laminate may further include a second polymer layer having a thickness joined to the fiber layer and/or a layer of hot melt adhesive applied to the polyester fibers. Also presented is a composite material having a polyester film, a layer of polyester fibers bonded to the second polymer layer; a second polymer layer joined to the polyester film; and a glass reinforced polymer layer formed on the laminated facer, where the polymer of the class reinforced polymer layer is commingled with the nonwoven of the laminated facer.

Articles Including Nanostructured Surfaces and Enclosed Voids, Methods of Making Same, and Optical Elements

The present disclosure provides an article including a layer having a nanostructured first surface including nanofeatures and an opposing second surface, and an inorganic layer including a major surface bonded to a portion of the nanostructured first surface. The nanostructured first surface includes protruding features that are formed of a single composition and/or recessed features. The article includes at least one enclosed void defined in part by the nanostructured first surface. The present disclosure also provides a method of making the article including treating a major surface of an inorganic layer with a coupling agent, contacting a nanostructured surface of a layer with the treated inorganic layer, and securing the two layers together via a bonded coupling agent by bonding at least one of the nanostructured surface or the treated inorganic layer. In addition, the present disclosure provides an optical element including the article. The nanostructured surface of the article is protected from damage and contamination by the inorganic layer.

Water vapor-permeable composite material

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.

Polyvinylidene fluoride-acrylate and thermoplastic polyurethane multilayer protective film
11731405 · 2023-08-22 ·

A multilayer protective film comprising a polyvinylidene fluoride/acrylate polymer layer and one or more thermoplastic polyurethane layers is provided. The multilayer protective film may possess beneficial and desirable properties useful in protecting surfaces, such as for example, high ultraviolet resistance, optical clarity, durability, and gloss.

Remoldable impact-attenuation article
11325017 · 2022-05-10 · ·

Aspects herein provide for a remoldable article configured to attenuate or reduce the results of an impact. The article comprises a plate that is remoldable in a temperature range of about 41 degrees Celsius to about 43.3 degrees Celsius.

Multilayered polyolefin films

The invention relates to a polyolefin film comprising at least five layers: a core layer (a), comprising a polyolefin; an outer supporting layer (b), comprising copolymers of ethylene and propylene; an inner supporting layer (c), on the face of the core layer opposite to the outer supporting layer, comprising a polyolefin; a first coating layer (d) immediately in contact with the inner supporting layer (c), and finally a second coating layer (e) immediately in contact with the inner supporting layer (c), both comprising copolymers of ethylene with one or several polar monomers. In addition, the present invention relates to the process of manufacturing said polyolefin film and also the uses thereof for coating a substrate.

COMPOSITE SLEEVE FOR FORMING A CURE IN PLACE PIPE, COMPOSITE PIPES, AND MATERIALS AND METHODS THEREOF
20230256703 · 2023-08-17 ·

The invention relates to composite sleeves for producing a cured in place pipe, to materials and methods for producing the composite sleeve, to methods for repairing a native pipe with the composite sleeve, and to improved cured in place pipes. The composite sleeve has multiple layers including a core layer of a curable one-part resin composition. The curable one-part resin composition is a solid material at 25° C. Preferably the resin composition is pliable at 25° C. so that it can be flexed during manufacturing and/or during installation in a native pipe.