B32B2309/105

Biaxially oriented, heat-sealable and peelable polyester film, process for production thereof and use thereof

The present invention relates to a transparent, peelable polyester film incorporating at least one biaxially oriented polyester film (=base layer (B)) and at least one peelable covering layer (A) coated offline thereon, in which the covering layer (A) is at least 85 wt. % made up of a polyester of aromatic and aliphatic dicarboxylic acids and aliphatic diols, and the arithmetic mean value of the absolute ordinate values S.sub.b of the covering layer (A) is less than 300 nm and the reduced peak height S.sub.pk of the covering layer (A) is less than 700 nm. The invention further relates to a production process for this peelable film and use thereof as sealing film for APET and/or RPET meal trays.

Metalloplastic strip for rigid food packaging and manufacturing method

The purpose of the invention is a method for coating a substrate made of an aluminum alloy in the AA3000 or AA5000 series, comprising the following steps: a) coating by (co-)extrusion of a polypropylene modified by maleic anhydride adhesion layer on each face of said substrate, and a surface layer made of polypropylene comprising at least one slip agent, so as to form a metalloplastic strip; b) calendering said metalloplastic strip; c) heat treatment of said metalloplastic strip; d) cooling of the metalloplastic strip, to obtain an H48 metallurgical temper and a coefficient of friction of 0.06 or less. The method being particularly suitable for the fabrication of food packaging and particularly for beverage can lids.

Method for manufacturing polarizing plate using mask film and polarizing plate manufactured by same
11623420 · 2023-04-11 · ·

The present specification relates to a method for manufacturing a polarizing plate using a mask film used for manufacturing a polarizing plate having a locally bleached area, and a polarizing plate manufactured using the same.

FLEXIBLE AEROGEL, FLEXIBLE GLASS TECHNOLOGY
20220332633 · 2022-10-20 ·

The invention provides a method of processing glass that involves forming a flexible gel layer on a flexible glass sheet to create a glass-gel sheet; rolling-up the glass-gel sheet into the form of a roll; placing the roll in a dryer; and drying the flexible gel layer so as to form a flexible aerogel layer. Some embodiments provide a glazing unit that includes a glass-aerogel sheet located between first and second panes of the glazing unit, where the glass-aerogel sheet includes a flexible glass sheet and a flexible aerogel layer on the flexible glass sheet. In such embodiments, the first and second panes each have thicknesses that are greater than a thickness of the flexible glass sheet. Other embodiments provide a glass assembly having a flexible aerogel layer on a flexible glass sheet, with the flexible glass sheet being laminated to a glass pane.

Detectable dust-proof paper

A detectable dust-proof paper is provided. The detectable dust-proof paper includes a detected layer, a first plastic layers, and a first ink-receptive layer. The detected layer has two opposite surfaces. The detected layer includes at least one metal which is selected from the group consisting of: aluminum, copper, nickel, iron, and a mixture or an alloy thereof. The first plastic layer is disposed on one of the two surfaces of the detected layer. A material of the first plastic layer is selected from the group consisting of: a polyolefin, a polyester, a polyamide, and any combination thereof. The first ink-receptive layer is disposed on the first plastic layer. The first ink-receptive layer contains an inorganic ink-absorption material ranging between a value larger than 0 wt % and 75 wt %.

METAL CLAD LAMINATED PLATE AND METHOD FOR MANUFACTURING METAL CLAD LAMINATED PLATE

A method for manufacturing a metal clad laminated plate includes hot pressing a laminated body by a double belt press method. The laminated body includes an insulating film containing the liquid crystal polymer and the metal foil lying on the insulating film. In hot pressing the laminated body, a highest heating temperature is higher than or equal to a temperature lower than a melting point of the insulating film by 5° C. and lower than or equal to a temperature higher than the melting point by 20° C. The highest heating temperature is maintained for longer than or equal to 20 seconds and shorter than or equal to 120 seconds.

MULTILAYER STRUCTURE

A multilayered structure includes a plurality of laminated portions arranged on a base material, wherein the laminated portions each include a resin layer, a glass layer, laminated over the resin layer via an adhesive laver, and a metal layer formed on a surface of the glass layer, the surface being oriented toward the adhesive layer, wherein a thickness of the glass layer is 10 μm or more and 300 μm or less, and a thickness of the resin layer is 10 μm or more and 1000 μm or less.

Regioselectively substituted cellulose esters and films made therefrom

Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.

Transparent ceramic as a component for fracture-resistant optical units

The present invention relates to parts of transparent corundum ceramics and the production and use of said parts.

Phosphor protection film, wavelength conversion sheet, and light-emitting unit
11642869 · 2023-05-09 · ·

A phosphor protection film that includes two films that are bonded to each other via an adhesive layer. One of the two films is a film including an inorganic film layer. In the phosphor protection film, when the film including the inorganic film layer of the two films is a barrier film and the other film of the two films is a support film, the support film has a thickness occupying 72% or more of the total thickness of the phosphor protection film.