A sealable film comprising a core layer comprising an olefin polymer wherein the core layer comprises the interior of the film; a separable layer exterior to the core layer, wherein the separable layer comprises a material or blend selected from the group consisting of impact copolymers; thermoplast
A sealable film comprising a core layer comprising an olefin polymer wherein the core layer comprises the interior of the film; a separable layer exterior to the core layer, wherein the separable layer comprises a material or blend selected from the group consisting of impact copolymers; thermoplastic polyolefins; blends of impact copolymers and LLDPE's; blends of two or more incompatible polymers; and mixtures thereof; an optic improving layer exterior to the core layer and the separable layer, wherein the optic improving layer comprises a polymer having at least one of modulus, hardness, and/or beam strength being higher than the material of the separable layer; and a sealing layer exterior to the core layer, the separable layer, and the optic improving layer, wherein the sealing layer comprises a polymer.
대표청구항▼
A sealable film comprising a core layer comprising an olefin polymer wherein the core layer comprises the interior of the film; a separable layer exterior to the core layer, wherein the separable layer comprises a material or blend selected from the group consisting of impact copolymers; thermoplast
A sealable film comprising a core layer comprising an olefin polymer wherein the core layer comprises the interior of the film; a separable layer exterior to the core layer, wherein the separable layer comprises a material or blend selected from the group consisting of impact copolymers; thermoplastic polyolefins; blends of impact copolymers and LLDPE's; blends of two or more incompatible polymers; and mixtures thereof; an optic improving layer exterior to the core layer and the separable layer, wherein the optic improving layer comprises a polymer having at least one of modulus, hardness, and/or beam strength being higher than the material of the separable layer; and a sealing layer exterior to the core layer, the separable layer, and the optic improving layer, wherein the sealing layer comprises a polymer. 5, 19781200, Worrell, Sr.; US-4135199, 19790100, Kurland et al.; US-4135678, 19790100, Williams; US-4138034, 19790200, McCarthy; US-4179078, 19791200, Mansfield; US-4191317, 19800300, Harkins; 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이 특허에 인용된 특허 (11)
Mehta Aspy K. (Humble TX) Chen Michael C. (Duisburg-Tervuren BEX), Heat sealable blend of very low density polyethylene or plastomer with polypropylene based polymers and heat sealable fi.
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Dries Thomas,DEX ; Hoppenstein Lothar,DEX ; Wilhelm Adolf,DEX, Peelable, heat-sealable, multilayered polyolefin film, process for the production thereof, and the use thereof.
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