摘要:
A multilayer packaging film or sheet is disclosed. The film comprises at least one layer comprising or produced from an olefin copolymer, a composition, or combinations thereof in which the composition comprises the olefin copolymer and a polyamide, a barrier resin, a polyolefin, a vinyl ester copolymer, a carboxylate ester copolymer, or combinations of two or more thereof and the olefin copolymer is a magnesium-neutralized ionomer and comprises repeat units derived from an α-olefin and a comonomer including one or more α-, β-ethylenically unsaturated carboxylic acids. Further disclosed is a shaped article comprising or produced from the packaging film or sheet and packaged food.
摘要:
A composition and an article comprising or produced from the composition are disclosed. The composition comprises an ionomer and a reducing static charge-buildup amount of potassium ion wherein the ionomer is neutralized with sodium, zinc, or magnesium ions. The article can be a film including a multilayer film.
摘要:
The present invention is a film or sheet comprising ethylene acid copolymer/polyamide blends that are useful for fabricating films, pouches and tubing for packaging. Films, pouches and tubing, obtained from compositions described herein are tough and demonstrate good mechanical properties and good optical properties, even at low temperature. More particularly, the compositions of ethylene copolymers and polyamides of the present invention can be used in packaging of foodstuffs and medical solutions.
摘要:
The present invention is a multilayer composite structure comprising at least three layers, two of which are adhered to an intervening adhesive layer comprising a copolymer obtained by copolymerizing from about 55 to about 95 weight % ethylene with from about 0.1 to about 10 weight % of an epoxide-containing monomer, and optionally from 0 to about 35 weight % (meth)acrylate ester. Preferred epoxide-containing monomers are glycidyl methacrylate monomers.
摘要:
Disclosed is a multilayer structure, which comprises or is produced from a foil laminated to thermoplastic compositions using ethylene/butyl acrylate copolymer compositions as a tie layer. The multilayer structures can be useful as packaging films and industrial films. Also disclosed is a lamination process for producing the structure. Further disclosed are packages comprising the structures.
摘要:
A solution grafting method for making polyolefin graft polymers by grafting a phenolic ester monomeric compound on olefinic polymers in the presence of a radical initiator in an organic solvent is described. The grafted polymers provide improved adhesion properties, particularly to metal and polyester substrates.
摘要:
Disclosed are lamination processes using an ethylene copolymer to provide improved adhesion of foil to thermoplastic compositions (for example, polyester or polyolefins such as polyethylene and polypropylene). Also disclosed are multilayer structures comprising foil laminated to thermoplastic compositions using ethylene copolymer composition as a tie layer. These multilayer structures are useful as packaging films and industrial films. Also disclosed are packages that comprise these multilayer structures.
摘要:
Disclosed are a multilayer structure, an article therewith, and a process therefor. The article includes packages such as pouch. The structure comprises a metallized film and an ethylene copolymer composition. The process is a lamination process or extrusion coating process with the ethylene copolymer composition providing adhesion of metallized film to a substrate.
摘要:
Laminated films comprising at least one structural layer, at least one adhesive layer and optionally at least one barrier layer made by a high speed or fast quench film process, where the adhesive compositions are blends of acid-grafted substantially linear polyethylenes and conventional-linear polyethylene homopolymer or copolymer or low density polyethylene.