Abstract: A laser markable label or tag including a polyester film comprising a polyester resin, an optothermal converting agent, a laser markable polymer and titaniumdioxide, characterized in that the amount of titaniumoxide is at least 3 wt % relative to the total weight of the film.

Abstract: A laser markable material includes a laser markable layer, present as a self-supporting layer or as a layer on a support, the laser markable layer including an infrared absorbing dye and an infrared absorbing pigment, characterized in that the amount of the infrared absorbing pigment is between 10 ppm and 1000 ppm relative to the total dry weight of the laser markable layer.

Abstract: A laser markable material includes a laser markable layer, present as a self-supporting layer or as a layer on a support, the laser markable layer including an infrared absorbing dye and an infrared absorbing pigment, characterized in that the amount of the infrared absorbing pigment is between 10 ppm and 1000 ppm relative to the total dry weight of the laser markable layer.

Abstract: A method for preparing a barrier film includes the steps of providing a substrate; applying in a single coating step a polymer latex on the substrate to form a single layer of the polymer on the substrate; and drying the single layer of the polymer; characterized in that the single layer has a dry coating weight (DCW) of at least 20 g/m2 of polymer and is dried at a dry temperature (Td) of at least the film formation temperature (Tf) of the polymer latex at a relative humidity (RH) according to the following formula: RH=15+1.25*DCW.

Abstract: A non-transparent microvoided biaxially stretched self-supporting non-laminated polymeric film, the film comprising linear polyester as a continuous phase and dispersed uniformly therein an amorphous high polymer comprising at least one chain-polymerized block with a higher glass transition temperature than the glass transition temperature of the continuous phase and isotactic poly(4-methyl-1-pentene), wherein the linear polyester consists essentially of aromatic dicarboxylate and aliphatic dimethylene monomer units, wherein the combined concentration of the uniformly dispersed amorphous high polymer and isotactic poly(4-methyl-1-pentene) in the film is 5 to 35% by weight; the use of the above-described non-transparent microvoided biaxially stretched film in synthetic paper; an image recording element comprising the above-described non-transparent microvoided biaxially stretched film; and a process for producing a transparent pattern comprising the step of: image-wise application of heat optionally supplement

Abstract: A film consisting essentially of a continuous phase linear polyester matrix having dispersed therein a non-crosslinked random SAN-polymer and dispersed or dissolved therein at least one ingredient from the group of ingredients consisting of inorganic opacifying pigments, whitening agents, colorants, UV-absorbers, light stabilizers, antioxidants and flame retardants, wherein the film is white, microvoided, non-transparent and axially stretched; the linear polyester matrix has monomer units consisting essentially of at least one aromatic dicarboxylic acid, at least one aliphatic diol and optionally at least one aliphatic dicarboxylic acid; and the weight ratio of the linear polyester to the non-crosslinked SAN-polymer is in the range of 2.0:1 to 19.

Abstract: A non-transparent microvoided biaxially stretched self-supporting non-laminated polymeric film, the film comprising linear polyester as a continuous phase and dispersed uniformly therein an amorphous high polymer comprising at least one chain-polymerized block with a higher glass transition temperature than the glass transition temperature of the continuous phase and isotactic poly(4-methyl-1-pentene), wherein the linear polyester consists essentially of aromatic dicarboxylate and aliphatic dimethylene monomer units, wherein the combined concentration of the uniformly dispersed amorphous high polymer and isotactic poly(4-methyl-1-pentene) in the film is 5 to 35% by weight; the use of the above-described non-transparent microvoided biaxially stretched film in synthetic paper; an image recording element comprising the above-described non-transparent microvoided biaxially stretched film; and a process for producing a transparent pattern comprising the step of: image-wise application of heat optionally supplement