Shrink films, and method of making thereof

US10513095B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Mauricio E. Leano · Freeport, US
• Paul R. Elowe · Midland, US
• Mary Anne Leugers · Midland, US
• Debkumar Bhattacharjee · Meriden, US
• Todd O. Pangburn · Midland, US
• Bruce Peterson · Alexandria, US
• Matthew D. Toyli · Parkers Prairie, US

Key dates

• Filing date: Oct 21, 2015
• Grant date: Dec 24, 2019
• Expiry date: Nov 26, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2201/08
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A shrink film comprising a polyethylene-based film having a top surface, a bottom surface, and comprising one or more layers, wherein at least one layer of the polyethylene-based film comprises a low density polyethylene having a density of from 0.917 g/cc to 0.935 g/cc and melt index, I2, of from 0.1 g/10 min to 5 g/10 min, a linear low density polyethylene having a density of from 0.900 g/cc to 0.965 g/cc and melt index, I2, of from 0.05 g/10 min to 15 g/10 min, or combinations thereof, and optionally, a medium density polyethylene, a high density polyethylene, or combinations thereof, and a coating layer disposed on the top surface of the polyethylene-based film, wherein the coating layer comprises an adhesive and a near-infrared absorbent material.