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1. WO2009079304 - FILMS COMPORTANT DE LA FUMÉE LIQUIDE ET DES ARÔMES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS
1. A process for applying an additive onto or incorporating an additive into films comprising the steps of introducing a fluid additive into a container equipped with a moving gravure roll; picking up the additive from the container with the gravure roll; delivering the additive into or onto a flat film; drying the film; and optionally converting the flat film into a tubular film wherein
(i) the process is carried out batch-wise or continuously;
(ii) the fluid additive includes flavorant, colorant, or combinations thereof; and
(iii) the flat film comprises a liquid absorptive layer comprising or produced from a block copolyetherester comprising polyether blocks and polyester blocks, a block copolyetheramide, or
combinations of two or more thereof.
2. The process of claim 1 wherein
(i) the flat film comprises or is produced from a liquid absorptive inner layer and an outer impermeable barrier layer;
(ii) the inner layer comprises or is produced from a polymer
selected from the group consisting of block copolyetherester polymers, block copolyetheramide polymers, and
combinations of two or more thereof; and
(iii) the barrier layer comprises at least one layer selected from
the group consisting of polyamides, ethylene vinyl alcohol
copolymers, polyvinylidene chloride, polyolefins, and
combinations of two or more thereof.
3. The process of claim 2 wherein the barrier layer is a polyamide.

4. The process of claim 2 wherein (i) the additive is selected from the group consisting of colorants, fllavorants and combinations of two or more thereof; (ii) the colorant is selected from the group consisting of
anthocyanin, annatto, betaine, caramel, paprika, turmeric, chlorella, cochineal, artificial colorant, and combinations of two or more thereof; and (iii) the additive is a flavorant selected from the group consisting of baked flavors, barbequed flavors, broiled flavors, grilled flavors, fried flavors, roasted flavors, rotisserie flavors, apple flavors, cinnamon flavors, curry flavors, garlic flavors, ginger flavors, honey flavors, mustard flavors, onion flavors, pepper flavors, or combinations of two or more thereof.
5. The process of claim 4 wherein the additive is present in a liquid comprising water, solvent, or combinations thereof.
6. The process of claim 2 wherein the additive comprises a liquid smoke comprising particles produced by burning a wood or plant material selected from the group consisting of beech, hickory, mesquite, oak, pecan, alder, maple, apple, cherry, plum, or combinations of two or more thereof.
7. The process of claim 6 wherein the additive is present in a liquid comprising water, solvent, or combinations thereof.
8. The process of claim 7 wherein the liquid is a solvent selected from the group consisting of ethanol, propanol, isopropanol, butanol, propylene glycol, and combinations of two or more thereof.
9. The process of claim 1 wherein barrier layer is a single film layer, a laminate, or a multilayer film and the flat film further comprises at least one tie layer.
10. The process of claim 8 wherein barrier layer is a single film layer, a laminate, or a multilayer film and the flat film further comprises at least one tie layer.
11. The process of claim 9 wherein the barrier layer comprises a layer comprising nylon, a layer comprising an ethylene vinyl alcohol polymer, or combinations thereof.
12. The process of claim 11 wherein the flat film comprises a
polypropylene layer, a polyethylene layer, or a combination of a
polyethylene layer and a polypropylene layer.
13. The process of claim 9 wherein the inner layer has a moisture vapor transmission rate of at least about 1200 g-25 μ/m2-24 hrs at 380C, 100% humidity.
14. The process of claim 13 wherein the inner layer is a copolyether ester comprising copolymerized units of a long chain ester derived from an ethylene oxide/propylene oxide copolyether glycol having a molecular weight of about 1800 to about 2500 and has moisture vapor transmission rate of at least about 1200 to about 20000 g-25 μ/m2-24 hrs at 380C, 100% humidity.
15. The process of claim 1 wherein the flat film is a blown film or a cast film.
16. The process of claim 15 wherein the flat film is biaxially oriented, further laminated onto a biaxially oriented film, or both.
17. The process of claim 16 wherein the biaxially oriented flat film is heat shhnkable at about 2% to about 50% in the machine direction and in the transverse direction at 850C to 950C.
18. The process of claim 17 further comprising forming the flat film into a tubular film forming said tubular film into a casing.
19. The process of claim 18 further comprising introducing a foodstuff into the casing thereby forming a food product wherein the foodstuff includes beef, pork, chicken, turkey, fish, mollusk, dairy products, or combinations of two or more thereof.
20. The process of claim 19 wherein the food product comprises sausage, lunchmeat, ham, turkey log or roll, chicken log or roll, hot dog, or kielbasa.