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High Molecular Weight High Density Polyethylene Produced at High Slurry Loop Reactor Rates

IP.com Disclosure Number: IPCOM000239639D
Publication Date: 2014-Nov-20
Document File: 6 page(s) / 173K

Publishing Venue

The IP.com Prior Art Database

Related People

Robert M. Canright: AUTHOR [+4]

Abstract

High Molecular Weight High Density Polyethylene (HMW HDPE) with good toughness and resistance to stress cracking is highly desirable for large part blow molded parts produced using continuous or intermittent type of equipment. A novel high surface area (SA) silica based Cr catalyst produces HMW PE with excellent properties and allows high throughput in Slurry Loop Polyethylene (SLPE) reactors.

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High Molecular Weight High Density Polyethylene Produced at High Slurry Loop Reactor Rates

Abstract: High Molecular Weight High Density Polyethylene (HMW HDPE) with good toughness and resistance to stress cracking is highly desirable for large part blow molded parts produced using continuous or intermittent type of equipment. A novel high surface area (SA) silica based Cr catalyst produces HMW PE with excellent properties and allows high throughput in Slurry Loop Polyethylene (SLPE) reactors.

Background: Large part blow molded container manufacturers would like to lower the weight of their containers by reducing the amount of polyethylene (PE) used. Saving PE allows the manufacturers to claim sustainability credits. Currently, many producers are unable to reduce their container weights any further due to the potential for impact failures. Large part blow molding industry needs include:

 Toughness - drop impact resistance  High ESCR
 Easy processing
 Good stiffness
 Good natural resin color
 High melt strength

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