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1 POLYMER FORMULATIONS AND IRRIGATION TUBING INCLUDING POLYMER FORMULATIONS / PBBPOLISUR S.R.L.
Embodiments of polyethylene formulations and articles comprising polyethylene formulations are dislcosed. The polyethylene formulation may include from 45 wt.% to 90 wt.% of an MDPE having a density of from 0.930 g/cc to 0.950 g/cc and a melt index (I) from 0.05 g/10 min to 0.5 g/10 min; from 10 wt.% to 50 wt.% of a polyethylene composition having a density from 0.910 g/cc to 0.936 g/cc and a melt index (I) from 0.7 g/10 min to 1.0 g/10 min; and from 0.5 wt.% to 5% of a masterbatch composition. The polyethylene composition may comprise a first polyethylene fraction area in a temperature range of 45°C to 87°C of an elution profile via improved comonomer composition distribution (iCCD) analysis method and a second polyethylene fraction area in a temperature range of 95°C to 120°C of an elution profile via iCCD.
2 LAMINATES AND ARTICLES INCORPORATING LAMINATES / WANG, Gang
It provides laminates and articles formed from such laminates. In one aspect, a laminate comprises (a) a biaxially oriented polyethylene (BOPE) film comprising a polyethylene composition, wherein the polyethylene composition has a density of 0.910 to 0.940 g/cm3, an MWHDF95 greater than 135 kg/mol and an IHDF 95 greater than 42 kg/mol, wherein the BOPE film comprises at least 50 weight percent of the polyethylene composition based on the weight of the BOPE film; (b) a barrier adhesive layer comprising polyurethane; and (c) a polyethylene film, wherein the barrier adhesive layer adheres the BOPE film to the polyethylene film and wherein the laminate has an oxygen gas transmission rate of 700 cc/m2-day or less when measured according to ASTM D3985-05.
3 LAMINATES AND ARTICLES INCORPORATING LAMINATES / PAN, Jianping
It provides laminates and articles formed from such laminates. In one aspect, a laminate comprises (a) a biaxially oriented polyethylene (BOPE) film comprising a polyethylene composition, wherein the polyethylene composition has a density of 0.910 to 0.940 g/cm , an MW greater than 135 kg/mol and an I greater than 42 kg/mol, wherein the BOPE film comprises at least 50 weight percent of the polyethylene composition based on the weight of the BOPE film; (b) a barrier adhesive layer comprising polyurethane; and (c) a polyethylene film, wherein the barrier adhesive layer adheres the BOPE film to the polyethylene film and wherein the laminate has an oxygen gas transmission rate of 700 cc/ [m -day] or less when measured according to ASTM D3985-05.
4 MULTILAYER STRUCTURES, PROCESSES FOR MANUFACTURING MULTILAYER STRUCTURES, AND RELATED ARTICLES / YUN XIAOBING
A multilayer structure and article formed from such structure are disclosed. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising an outer layer that comprises a first polyethylene composition comprising at least two linear low density polyethylenes, wherein the first polyethylene composition has a density of 0.910 to 0.940g/cm 3, an MV HDF>95 greater than 135kg/mol and an I HDF>95 greater than 42kg/mol, wherein the film has a thickness of 10 to 60 microns after orientation; and (b) a metal layer comprising a metal deposited on the outer layer, wherein the metal comprises Al, Zn, Au, Ag, Cu, Ni, Cr, Ge, Se, Ti, Sn, or oxides thereof, and wherein the multilayer structure has an optical density of 1.0 to 3.6, wherein the multilayer structure has a 2% secant modulus of at least 300 MPa in the machine direction when measured according to ASTM D882, and wherein the multilayer structure has an oxygen gas transmission rate of 350 cc/[m 2-day] or less when measured according to ASTM D3985-05. Embodiments also relate to processes for manufacturing multilayer structures.
5 MULTILAYER STRUCTURES, PROCESSES FOR MANUFACTURING MULTILAYER STRUCTURES, AND RELATED ARTICLES / DOW GLOBAL TECHNOLOGIES LLC
The present invention provides multilayer structures and articles formed from such structures. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising an outer layer that comprises a first polyethylene composition comprising at least two linear low density polyethylenes, wherein the first polyethylene composition has a density of 0.910 to 0.940 g/cm3, an MWHDE>95 greater than 135 kg/mol and an IHDE>95 greater than 42 kg/mol, wherein the film has a thickness of 10 to 60 microns after orientation; and (b) a metal layer comprising a metal deposited on the outer layer, wherein the metal comprises Al, Zn, Au, Ag, Cu, Ni, Cr, Ge, Se, Ti, Sn, or oxides thereof, and wherein the multilayer structure has an optical density of 1.0 to 3.6, wherein the multilayer structure has a 2% secant modulus of at least 300 MPa in the machine direction when measured according to ASTM D882, and wherein the multilayer structure has an oxygen gas transmission rate of 350 cc/[m2-day] or less when measured according to ASTM D3985-05. Embodiments of the present invention also relate to processes for manufacturing multilayer structures.
6 MULTILAYER STRUCTURES, PROCESSES FOR MANUFACTURING MULTILAYER STRUCTURES, AND RELATED ARTICLES / Wang, Gang
The present invention provides multilayer structures and articles formed from such structures. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising an outer layer that comprises a first polyethylene composition comprising at least two linear low density polyethylenes, wherein the first polyethylene composition has a density of 0.910 to 0.940 g/cm3, an MWHDE95 greater than 135 kg/mol and an IHDE95 greater than 42 kg/mol, wherein the film has a thickness of 10 to 60 microns after orientation; and (b) a metal layer comprising a metal deposited on the outer layer, wherein the metal comprises Al, Zn, Au, Ag, Cu, Ni, Cr, Ge, Se, Ti, Sn, or oxides thereof, and wherein the multilayer structure has an optical density of 1.0 to 3.6, wherein the multilayer structure has a 2% secant modulus of at least 300 MPa in the machine direction when measured according to ASTM D882, and wherein the multilayer structure has an oxygen gas transmission rate of 350 cc/m2-day or less when measured according to ASTM D3985-05. Embodiments of the present invention also relate to processes for manufacturing multilayer structures.

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