Polypropylene Copolymer has melt flow rate of 70 g/10 min.
August 30, 2007 -
Targeting processors of clear, thin-wall, injection-molded (TWIM) food applications, Clyrell EM248U can also be used in in-mold labeling (IML) and off-set printing. Metallocene-based Metocene polypropylene (PP) copolymer is reactor-grade product which does not require vis-breaking or peroxides, and features low organoleptic properties. Clyrell EM248U's high heat deflection temperature also enables it to retain stiffness in hot-fill applications.
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Basell Launches New Metocene Metallocene-Based Polypropylene Grade Targeted to Customers' TWIM Applications
August 14, 2007 - Basell is launching a new metallocene-based Metocene polypropylene (PP) copolymer, Clyrell EM248U, and will target this material to processors of clear, thin-wall, injection-molded (TWIM) food applications in the United States. (The grade was introduced in Europe last year under the developmental name of Clyrell EM1791.)
"Previously, processors have relied upon the need to add plastomers to conventional PP random copolymers in order to achieve the desired impact and clarity for TWIM applications," said Amit Gupta, customer project manager for Basell's Metocene global business unit. Although these blends were capable of meeting performance requirements, the use of the plastomer increased costs and added an extra production step. On top of that, inconsistencies in impact strength from batch to batch increased the chances of having part breakages."
Gupta added: "By using Clyrell EM248U, a lot of the guess work is eliminated from injection molded thin-wall applications because this grade delivers the clarity and stiffness of a random copolymer combined with the impact performance of a heterophasic copolymer - without the need for an additional plastomer."
The grade is produced using an exceptionally clean technology with low levels of volatiles and oligomers. It is a reactor-grade product which does not require vis-breaking or peroxides, and can be used in customer food applications which require low organoleptic properties.
"In addition, Clyrell EM248U can be used in in-mold labeling (IML) and off-set printing applications which require consistent impact performance," said Gupta. "Parts made from this new grade are able to withstand the force of an inserted mandrel used during off-set printing, which minimizes the chance that parts will fail and cause lower reject and scrap rates."
At a melt flow rate of 70g/10min, the resin offers processing ease with the potential for cycle time reduction without sacrificing part performance. Metocene resins also offer increased resistance to distortion and warpage in injection molding applications.
Clyrell EM248U's high heat deflection temperature also enables it to retain stiffness in customer hot-fill applications.
Clyrell EM248U has been previously targeted to European customers for food packaging applications requiring refrigeration and/or freezer impact performance. It is anticipated that U.S. customers will use the material for refrigerated packaging applications for products such as soups, salads and cut fruits.
Basell is the global leader in polyolefins technology, production and marketing. It is the largest producer of polypropylene and advanced polyolefin products; a leading supplier of polyethylene and catalysts, and the industry leader in developing, licensing and providing technical services for polypropylene and polyethylene technologies. Basell, together with its joint ventures, has manufacturing facilities around the world and sells products in more than 120 countries. Additional information about Basell is available at www.basell.com.
Contacts:
Public Relations:
SD Communications
Sophia Dilberakis
USA
Phone: 312-787-5800 E-mail this person Company Information: Name: Basell Polyolefins Address: 2801 Centerville Road City: Wilmington State: DE ZIP: 19808 Country: USA Phone: 410-996-1403 FAX: 410-996-1403
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