Polyethylene compositions and films formed therefrom

US9988505B2 · kind B2 · utility

Assignees

• CHINA PETROLEUM & CHEMICAL CORPORATION · CN
• BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION · CN

Inventors

• Dali GAO · Beijing, CN
• Hongwei Shi · Elmhurst, US
• Shijun Zhang · Beijing, CN
• Meifang Guo · Beijing, CN
• Luqiang Yu · Beijing, CN
• Jinliang Qiao · Beijing, CN
• Ruxian Li · Beijing, CN
• Yujing Tang · Beijing, CN
• Jianjun Yin · Beijing, CN
• Liangshi Wang · Beijing, CN
• Honghong Huang · Beijing, CN
• Qingquan Yang · Beijing, CN
• Hao ZOU · Nanhu, CN
• Jie Li · Shanghai, CN
• Liying Zhang · Singapore, SG
• Hua Yin · Beijing, CN
• Jianye LIU · Beijing, CN
• Jingbo Shao · Beijing, CN
• Mingfu Lyu · Beijing, CN
• Liqiu CHU · Beijing, CN
• Meng Xu · San Jose, US
• Hui QUAN · Beijing, CN
• Kai Xu · Tempe, US
• Mu DONG · Beijing, CN
• Yun LYU · Beijing, CN
• Yihui Tom Xu · Shanghai, CN
• Yaohui Xu · Beijing, CN
• Peng Guo · Natick, US
• Yiqing BAI · Beijing, CN

Key dates

• Filing date: Oct 27, 2015
• Grant date: Jun 5, 2018
• Expiry date: Jan 7, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/03
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A polyethylene composition comprising an ethylene/α-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.