KR930700352A - Polyolefin Laminate Cling Film - Google Patents

Abstract

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Description

Polyolefin Laminate Cling Film

Since this is an open matter, no full text was included.

1 is a schematic diagram (not accumulated) showing the novel red insecticide structure of the present invention.

2 is a schematic diagram (not to scale) showing aspects of overs versus reverse kling.

3 is a schematic diagram (not accumulated) showing aspects of reverse to reverse kling.

Claims (22)

One layer has two or more layers, an obverse layer and the other layer a reverse layer; The backing layer is a cling layer comprising a linear ultra low density ethylene copolymer (LVLDPE) having a critical density of less than 0.915 g / cc, in an amount of adhesion sufficient to impart an effective level of clinching to the backing layer. Contains an imparting agent: the surface layer is an olefin polymer or olefin copolymer having a critical density of at least 0.916 g / cc and optionally contains a tackifier and is a layer with little or no klingability; The difference in density between the back layer and the surface layer is at least 0.004 g / cc; It is composed of ethylene copolymerized with at least one effective amount of C ₃ to C ₁₂ copolymerizable straight chain α-olefins or isomeric α-olefins such that the LVLDPE has a density of less than 0.915 g / cc, and the klingability of the LVLDPE layer is a backing layer. Film carriers with differential cling properties due to higher levels compared to. The method of claim 1 wherein the LVLDPE has an MFR in the range of 0.1g / 10 minutes to 25g / 10 minutes, the surface layer has an MFR in the range of 0.1g / 10 minutes to 25g / 10 minutes, the back layer is 6 weight Red worm containing less than% tackifier. The antagonist of claim 1, wherein the LVLDPE has an MFR in the range of 0.1 g / 10 min to 25 g / 10 min, and wherein the surface layer comprises ethylene copolymerized with at least one g / α-olefin. The antagonist of claim 1, wherein said LVLDPE comprises ethylene copolymerized with octene. The antagonist of claim 1, wherein the LVLDPE comprises at least one of hexene and butene and ethylene copolymerized with octene. The antagonist according to claim 1, wherein the LVLDPE is kneaded with one or more traces of another high molecular weight polyuremine. The antagonist of claim 1, wherein the surface layer is LLDPE comprising a copolymer of ethylene and at least one C ₃ to C ₁₂ α-olefin. The antagonist of claim 1, wherein the surface layer is LLDPE comprising a copolymer of ethylene and octene. The sperm body of claim 1, wherein the back layer has a density of 0.912 g / cc or less. The antagonist of claim 1, wherein said surface layer has a density of at least 0.917 g / cc. The antagonist according to claim 1, wherein the backside LVLDPE layer and the surface side each comprise an ethylene / 1-octene / α-olefin terpolymer, wherein the α-olefin is C ₃ to C ₆ . The red antagonist of claim 1, wherein the tackifier comprises a low molecular weight polymer as an additive. The antagonist of claim 1, wherein said tackifier comprises n-nucleic acid extractable low molecular weight polymeric material. 2. The antagonist of claim 1, wherein said tackifier comprises as low additives low molecular weight C ₂ to C ₁₂ polyolefins in an amount to provide effective kling. The antagonist of claim 1, wherein the tackifier comprises at least one low molecular weight C ₃ to C ₆ polyolefin selected from the group consisting of polypropylene, polybutene, polypentene, polyhexene, isomers thereof and mixtures thereof. 2. The antagonist of claim 1, wherein said tackifier is present in LVLDPE in an amount in the range of 0.01 to 3 weight percent and does not contain sufficient tackifier to allow said surface layer to have as much kinkability as LVLDPE. The red antagonist of Claim 1 whose said tackifier is low molecular weight polybutene or polyisobutene. The antagonist of claim 1, wherein the surface layer and the back layer are the outer layers of the locust comprising three or more layers. The red antagonist of Claim 1 whose thickness of the antagonist is in the range of 0.02-6 mils. In a laminated film suitable for use as a kling-wrap packaging material, having at least two layers and one of the outer layers having greater klingability than the other outer layer, the outer layer having greater klingability is 0.915 g / A red insect film comprising a LVLDPE having a density of cc mimimin and an MFR in the range of 0.1 to 25 g / 10 min. Use of the film antagonist according to any one of claims 1 to 20 as a kling-wrap film. LVLDPE having a density ranging from 0.915 to 0.86 g / cc and an MFR ranging from 0.1 to 25 g / 10 min and containing an amount of tackifier sufficient to impart an effective level of clinkability was selected as the backing layer, and 0.915 g / optionally containing an adhesion agent that has a density of at least cc and an MFR in the range of 0.1 to 25 g / 10 minutes and imparts less clinging to the backing layer and is at least 0.004 g / cc greater than the density of the LVLDPE selected as the backing layer An olefin polymer or copolymer further characterized as having a density is selected as the surface layer, optionally one or more materials are selected as the layer between the back layer and the surface layer and, if not in the form of a pesticide, the selected material is pesticide. And forming a red locust having a thickness in the range of 0.0005 mm to 0.1524 mm, thereby forming one layer as a kling layer. A back layer, at least one layer comprising two or more layers, which are surface layers serving as layers with less klingability, and optionally producing a film entanglement with differential klingability containing one or more layers between the back layer and the surface layer. How to. ※ Note: The disclosure is based on the initial application.