Uniaxially-oriented polymeric films, and articles made therefrom

US11312827B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Wu Aik Yee · Singapore, SG
• Yijian Lin · Manvel, US
• Rajen M. Patel · Lake Jackson, US
• Fabricio Arteaga Larios · Freeport, US
• Jacquelyn A. Degroot · Sugar Land, US
• Mridula Kapur · Lake Jackson, US
• Yutaka Maehara · Tokyo, JP

Key dates

• Filing date: Oct 8, 2018
• Grant date: Apr 26, 2022
• Expiry date: Oct 8, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2323/08
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A uniaxially-oriented ethylene-based polymeric film having at least one layer comprising at least 65 wt. %, based on total amount of materials present in the at least one layer, of a linear low density polyethylene which exhibits each of the following properties: a CDBI of at least 60%; a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), of 1.8 g/10 min to 10 g/10 min; a density of from 0.910 g/cc to 0.940 g/cc; and a Mw/Mn of less than 3.0.