Invention Grant
- Patent Title: Ethylene alpha-olefin copolymers with multimodal comonomer distributions and processes for obtaining the same
-
Application No.: US16025418Application Date: 2018-07-02
-
Publication No.: US10774205B2Publication Date: 2020-09-15
- Inventor: Marcia Silva Lacerda Miranda , Daiane Schilling de Vargas , Adriane Gomes Simanke , Rodrigo Brambilla , Arthur Alaim Bernardes
- Applicant: Braskem S.A.
- Applicant Address: BR Camaçari
- Assignee: Braskem S.A.
- Current Assignee: Braskem S.A.
- Current Assignee Address: BR Camaçari
- Agency: Osha Liang LLP
- Main IPC: C08J5/18
- IPC: C08J5/18 ; C08L23/08 ; C08J3/00

Abstract:
A polymer composition may include a plurality of ethylene-based polymers forming a multimodal composition distribution, each having a distinct crystallization peak in a CEF curve. A process of making a polymer composition may include melt blending a plurality of polyethylenes with different microstructural characteristics in the molten state. Another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a plurality of metallocene catalysts in a polymerization reactor to form a plurality of ethylene based polymers. Yet another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a multimetal catalyst in a polymerization process to form a plurality of ethylene based polymers.
Public/Granted literature
Information query