Patent application number | Description | Published |
20110107933 | POLYESTER FILM WITH ADHESIVE PROPERTIES - A multilayer composite film for sublimation type dye transfer imaging includes a polyester base layer and an adhesive layer onto which an ink layer of the sublimation dye can be placed. The adhesive layer includes an acrylic resin, an epoxy resin monomer and a crosslinking agent. The components of the adhesive layer preferably are water soluble or water dispersible. | 05-12-2011 |
20110305913 | OPTICALLY CLEAR UV AND HYDROLYSIS RESISTANT POLYESTER FILM - Biaxially oriented polyester films including polyester polymer, a carbodiimide hydrolysis stabilizer, and a UV absorber are described. The polyester films have a carboxyl end group concentration of 5-20 equivalents per ton, and a haze value of 2% or less. The films exhibit superior transparency and possess stable light transmission characteristics. Methods of making the films and articles produced from the films are also described. | 12-15-2011 |
20130068768 | BARRIER LIDDING STRUCTURE BASED ON POLYPROPYLENE FILM - Multi-layer films suitable as sealable or peelable sheet that can be used for closing foodstuff containers are described. These multi-layer films includes a polymeric substrate layer and a seal or a peel-seal layer. The multilayer composite film preferably includes four component layers, namely in order, a polymeric base layer for mechanical strength, a thin organic barrier layer, an ethylene polymer-based adhesive layer, and a heat seal layer including an ethylene copolymer, such as ethylene vinyl acetate copolymer. The film is useful as a peelable heat sealable lid for containers of diverse polymer compositions storing various products such as foodstuffs and pharmaceuticals. | 03-21-2013 |
20130068769 | LIDDING STRUCTURE BASED ON POLYLACTIC ACID FILM - Described is a multi-layer film suitable as sealable or peelable sheet specially used for closing foodstuff containers. This multi-layer sheet includes a polymeric substrate layer and a seal or a peel-seal layer. Preferably, the film includes at least three main component layers, namely in order, a polymeric base layer for mechanical strength, an ethylene polymer-based adhesive layer, and a heat seal layer comprising an ethylene copolymer, such as ethylene vinyl acetate copolymer. | 03-21-2013 |
20130224411 | PEELABLE ANTIFOG COATED FILM FOR AMORPHOUS POLYESTER TRAYS - Described are antifog films useful for packaging food, and more particularly to antifog films that can be used as lidding films in trays made of amorphous polyester. The films may include at least one base layer or film, such as a polyester film, and a heat seal layer. The antifog layer is coated on the heat seal layer. The heat seal layer allows the antifog coating to more strongly adhere to the antifog film. The heat seal layer may be an amorphous polyester layer. | 08-29-2013 |
20130260122 | LOW SEAL INITIATION LID FOR RIGID SUBSTRATES - A polyolefin-based heat sealable and peelable lidding film. The peelable seal films comprise from 5 to 95 percent by weight of a polyolefin based plastomer or elastomer and from 5 to 95 percent by weight of a second plastomer or elastomer. The invention also relates to methods of making and using the heat sealable, peelable seal films, having improved low seal initiation temperature. | 10-03-2013 |
20130309430 | POLYESTER CEREAL LINER WITH ZERO MIGRATION - Peelable extrusion coated barrier films including a polyester containing layer, and methods of making and using peelable extrusion coated plastic films having a polyester containing layer. One embodiment is a barrier film including a base film layer including polyester, and an extrusion coated peelable heat seal layer including polyethylene. | 11-21-2013 |
20140017474 | FILM STRUCTURES CONTAINING A BIAXIALLY ORIENTED FILM WITH TWO EXTRUDED POLYOLEFIN LAYERS - Film structures containing a biaxially oriented film with an extruded polyolefin layer on each side of the biaxially oriented film are obtained. One polyolefin layer may, for example, be fin sealed to exhibit a peelable heat sealable performance. The other polyolefin layer may exhibit a paper like appearance and may be lap sealable. | 01-16-2014 |
20140065315 | BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSION COATED WITH BIO-BASED SEALANT FOR LIDDING APPLICATIONS - A lidding film including a polyester film including a bio-based polyester, and an extrusion coated heat seal layer including a bio-based polymer. The polyester film may include a biaxially oriented core layer including bio-based polyester and an amorphous copolyester skin layer. The heat seal layer may include a low density polyethylene. | 03-06-2014 |
20140065398 | BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSION COATED WITH BIO-BASED SEALANT FOR LIDDING APPLICATIONS - A lidding film including a polyester film including a bio-based polyester, and an extrusion coated heat seal layer including a bio-based polymer. The polyester film may include a biaxially oriented core layer including bio-based polyester and an amorphous copolyester skin layer. The heat seal layer may include a low density polyethylene. | 03-06-2014 |
20140252001 | BARRIER LIDDING STRUCTURE BASED ON POLYPROPYLENE FILM - Multi-layer films suitable as sealable or peelable sheet that can be used for closing foodstuff containers are described. These multi-layer films includes a polymeric substrate layer and a seal or a peel-seal layer. The multilayer composite film preferably includes four component layers, namely in order, a polymeric base layer for mechanical strength, a thin organic barrier layer, an ethylene polymer-based adhesive layer, and a heat seal layer including an ethylene copolymer, such as ethylene vinyl acetate copolymer. The film is useful as a peelable heat sealable lid for containers of diverse polymer compositions storing various products such as foodstuffs and pharmaceuticals. | 09-11-2014 |
20140295076 | LOW SEAL INITIATION LID FOR RIGID SUBSTRATES - A polyolefin-based heat sealable and peelable lidding film. The peelable seal films comprise from 5 to 95 percent by weight of a polyolefin based plastomer or elastomer and from 5 to 95 percent by weight of a second plastomer or elastomer. The invention also relates to methods of making and using the heat sealable, peelable seal films, having improved low seal initiation temperature. | 10-02-2014 |
20140329015 | PEELABLE ANTIFOG COATED FILM FOR AMORPHOUS POLYESTER TRAYS - Described are antifog films useful for packaging food, and more particularly to antifog films that can be used as lidding films in trays made of amorphous polyester. The films may include at least one base layer or film, such as a polyester film, and a heat seal layer. The antifog layer is coated on the heat seal layer. The heat seal layer allows the antifog coating to more strongly adhere to the antifog film. The heat seal layer may be an amorphous polyester layer. | 11-06-2014 |