METALLIZED, ORIENTED AND THIN LLDPE FILMS

• Main Author: AMBROISE BENOIT
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2019
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The disclosure provides compositions and methods for an oriented film that may include a core layer consisting essentially of biaxially oriented linear low-density polyethylene, wherein the core layerhas a first side and a second side. Further, the film may include a first sealant layer consisting essentially of biaxially oriented linear low-density polyethylene on the first side, and a second sealant layer consisting essentially of biaxially oriented linear low-density polyethylene on the first side, wherein the linear low-density polyethylenes in each of the film's layers may be of more than one type/grade, have the same or different densities, or both. Further still, the film is 30 [mu]m or less in thickness, has a water-vapor transmission rate of < 1 g/m /d at 38 DEG C and 90% relative humidity, and has an oxygen transmission rate of < 100 cm /m /d at 23 DEG C and 0% relative humidity. 本公开内容提供了用于取向膜的组合物和方法，所述取向膜可以包括基本上由双轴取向的线性低密度聚乙烯组成的芯层，其中所述芯层具有第一侧和第二侧。此外，该膜可在第一侧上包括基本上由双轴取向的线性低密度聚乙烯组成的第一密封剂层，以及在第一侧上包括基本上