Abstract: A sealable and peelable film comprising a four layer coextrudate comprising a core layer contributing predominantly towards the thickness of the film, a first sealing layer provided on one side of the core layer and a second sealing layer, or alternatively a laminating layer, provided on the other side of the core layer, and the film comprising a peeling layer in between the first sealing layer and the core layer and/or in between the second sealing layer, or alternatively the laminating layer, and the core layer, and wherein the peeling layer is adjacent the first sealing layer and/or the second sealing layer and/or the laminating layer, and wherein the relative thickness of the peeling layer and its adjacent sealing and/or lamination layer (p:s/l ratio) is from 1:10 to 5:1.

Abstract: The present invention provides a metal filmic laminate web comprising a web of self-supporting metal substrate; a printed filmic web comprising machine and transverse directions and being adhered to the metal substrate by means of an adhesive layer between the printed filmic web and the web of self-supporting metal substrate, the printed filmic web comprising a filmic substrate and digitally printed matter provided as a sequential array comprising at least a pair of non-repetitive images on the web; a first image being digitally printed on a machine direction defined first portion of the web and a second image being separately digitally printed on a machine direction defined second portion of the web, the first and second portions being adjacent or neighbouring each other in a machine direction on the web and the first image being different from the second image.

Abstract: A film for use in a packaging structure, comprising a coating on the film surface which comprises a binder and a particulate protuberant component able to remove a volatile organic compound from an environment in contact with the film in the packaging structure. Also provided is a packaging structure comprising such a film and a package which comprises the packaging structure.

Abstract: There is disclosed an in-mould labelling process for the manufacture of a labelled article comprising the steps of: feeding a labelstock web into a mould; forming an article in the mould such that the formed article contacts and effectively adheres to a label of the labelstock web; detaching the adhered label from the labelstock web; and removing the formed and labelled article from the mould.

Abstract: There is disclosed an in-mould labelling process for the manufacture of a labelled article comprising the steps of: feeding a labelstock web into a mould; forming an article in the mould such that the formed article contacts and effectively adheres to a label of the labelstock web; detaching the adhered label from the labelstock web; and removing the formed and labelled article from the mould.

Abstract: This invention concerns a process for producing a printable film comprising: providing a web of film; at a first location subjecting at least a first surface of the film web to a modified atmosphere dielectric barrier discharge (MADBD) treatment; winding the film web onto a reel; transporting the wound film web to a second location; unwinding the film web from the reel; and subjecting the first surface of the film to corona treatment. The invention also concerns printed films obtainable by the process of the invention, and articles of packaging and/or labeling made from such films.

Abstract: The present invention provides a method of authenticating the provenance of an article marked with a removable transparent polymer film comprising measuring the thickness of the removable transparent film while still located on the article or of a layer within the film while still located on the article by white light interferometry. Alternatively, or in addition, the method comprises measuring the birefringence of the removable transparent polymer film while still located on the article or of a layer within the film while still located on the article.

Abstract: The present invention relates to a film, in particular to a laser writable film, and to substances used therein, and components thereof. The present invention further relates to a method of manufacturing the film, uses thereof and products comprising the film.

Abstract: The present invention relates to labels and labelstock materials, and to substances used therein, and components thereof. The present invention further relates to a method of manufacturing the labelstock and labels, uses thereof and products comprising them.

Abstract: The present invention provides a security document and method of production thereof. The security document (10) comprises: a polymer substrate (12) having first (14) and second (22) surfaces; a security feature (16) formed in a region of at least one of said first and second surfaces of said polymer substrate; an opacifying layer (18, 24) formed on at least a portion of at least one of said first and second surfaces of said polymer substrate; a printed design formed on at least a portion of said opacifying layer; and wherein said security feature is formed at least prior to said printed design being formed.

Abstract: The present invention concerns a functional film material comprising a substrate layer and a coating layer, the coating layer comprising a block copolymeric binder and a particulate metal pigment therein, the ratio of pigment to binder in the coating layer being selected with reference to the coat weight to provide the functional film material with an emissivity of less than 0.5, and the substrate and coating layer being selected to provide the film with a VWTR (ambient) in excess 400 gm?2 d?1 bar?1.

Abstract: A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle.

Abstract: A method of authenticating a polymer film comprises measuring the thickness of a layer therein by white light interferometry and/or measuring the birefringence of a layer therein. The method, and devices to carry out the method, may be used in security applications, for example to test for counterfeit bank notes.

Abstract: The present invention provides an authentication apparatus operative to determine the authenticity of a polymer film, comprising an optically-based birefringence measuring arrangement operative to measure a first effect influenced by a birefringence characteristic of said film from a first angle comprising a non-normal angle to a plane of said film, and at least one of: a second angle; and a third angle; and wherein said apparatus is operative to: compare a value, or range of values, representative of said first effect as measured from said first angle with a value, or range of values representative of a specified first effect corresponding to a predetermined birefringence characteristic of an authentic polymer film for said first angle; compare a value, or range of values, representative of said first effect as measured from said at least one of said second and third angles with a value, or range of values representative of a specified first effect corresponding to a predetermined birefringence characteristi

Abstract: The present invention provides an authentication apparatus operative to determine the authenticity of a polymer film, comprising: an optical response modifier operative to modify a first effect influenced by said birefringence characteristic of said to a modified first effect; and an optically-based birefringence measuring arrangement operative to measure said modified first effect; and wherein said apparatus is operative to: compare a value, or range of values, representative of said modified first effect as measured with a value, or range of values representative of a specified first effect as modified by a same optical response modifier and corresponding to a predetermined birefringence characteristic of an authentic polymer film; and output an authenticity signal indicative of authenticity or otherwise of said film based upon said comparison. There are also provided one or more methods of determining the authenticity of a polymer film.

Abstract: There is disclosed a method of manufacturing an in-mold labelled article, the method comprising the steps of: placing a label comprising a film having a core comprising polypropylene/polyethylene random copolymer as its principal polymeric constituent into a mold for injection molding, thermoforming, or blow molding; holding the label in position; injecting a polymeric melt into, or thermoforming or blowing a polymeric preform in said mold so as to bind with the label; and removing the article from the mold. A process of in-mold labelling using such a label is also disclosed.

Abstract: The invention relates to a packaging article for use in form-fill-seal, flow wrap and lidding. In particular, the invention concerns such an article sealed with a biodegradable film having a peel sealable coating thereon, and coated filmic lids for sealing polylactic acid (PLA) trays and specifically PLA trays used for packaging.

Abstract: The present invention provides an apparatus for detecting presence or otherwise of an item comprising at least two regions having different optical characteristics, said apparatus comprising: an emitter operative to illuminate a measuring region of said apparatus with electromagnetic radiation; and a detector located and operative to receive electromagnetic radiation reflected from said measuring region of said apparatus and operative to output a signal corresponding to a measured characteristic of said electromagnetic radiation reflected from said measuring region, wherein said apparatus is operative to compare said measured characteristic with a set of pre-defined characteristics, and further wherein if said measured characteristic is consistent with at least one of said pre-defined characteristics, the apparatus is operative to output a signal indicative of presence or otherwise of one of said at least two regions of said item in said measuring region.

Abstract: The invention concerns a process for producing a security film, comprising: a. forming a polymeric film substrate having first and second surfaces; b. plasma treating at least one surface of the polymeric film substrate using a modified atmosphere plasma treatment, wherein the modified atmosphere comprises at least one inert carrier gas and at least one functional material selected from: i. one or more oxidising fluids; ii. one or more reducing fluids; and iii. one or more polar fluids with the capacity to form ionic or covalent bonds with the at least one surface of the polymeric film substrate, wherein those oxidising fluids with a relative dielectric strength less than that of air, where present, are in the modified atmosphere in an amount less than 40% by weight or by volume; and c. contacting a foil with the at least one plasma treated surface of the polymeric film substrate such that the foil adheres to the polymeric film substrate.

Abstract: An authentication apparatus operative to determine the authenticity of an item comprising a film substrate responsive to detection that a portion of said item located in a measuring region of said apparatus has a predetermined birefringence characteristic, said apparatus comprising: an item detection arrangement operative to determine if at least a portion of an item is located in a measuring region of said authentication apparatus; and an optically-based birefringence measuring apparatus, wherein said authentication apparatus is operative to compare a measured birefringence characteristic with a predetermined birefringence characteristic and to produce an authenticity signal indicative of authenticity or otherwise of said item based upon said comparison, said apparatus further comprising a control means operative to control output of said authenticity signal from said apparatus responsive to determination, by said item detection arrangement, of presence or otherwise of said at least a portion of said item in