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AKRON, Ohio (Oct. 4, 2006) -- The technical team for ExxonMobil Chemical’s Santoprene(tm) specialty products has produced a new document which describes the PolyMag(tm) Process - a magnetic separation process that can assist with scrap recovery and parts recycling when Santoprene thermoplastic vulcanizate (TPV) is co-molded with other materials.
An important benefit of Santoprene TPV is that it’s fully recyclable. Tests have proved that general grades of Santoprene TPV exhibit minimal changes in physical properties even after eleven passes through a typical blow molding machine.
By utilizing the PolyMag separation process from Eriez Magnetics, Santoprene TPVs can be separated from other materials when co-processed using two-shot or insert injection molding, dual material extrusion, sequential 3D blow molding or the exchange blow molding processes. By incorporating a unique ferrous additive into one of the materials, the PolyMag™ process allows the separation of one material from another.
Topics covered in the document include: a description and benefits of the process; where to incorporate the additive; the impact of the additive on Santoprene™ TPVs; and, processing Santoprene™ TPVs using the PolyMag™ additive.
"Santoprene™ TPVs are increasingly used in co-molding and overmolding applications. To fully capitalize on the recycling benefits of Santoprene products they need to be separated before they can be recycled. An explanation of how this can be achieved using the PolyMag process is essential, so that recycling and scrap recovery can be maximized," said Dan Collins, senior Marketing Technical Services specialist, ExxonMobil Chemical Specialty Elastomers Business.
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The document and other processing and technical information is available online at www.santoprene.com. Advice can also be obtained from AnswerPerson(sm), a global resource for answering technical, product and manufacturing questions which is available online or by phone.
About Santoprene specialty products:
Santoprene(tm) specialty products, produced by affiliates of ExxonMobil Chemical, are recyclable elastomers commonly used in appliance, automotive, consumer goods, plumbing, and other applications. ExxonMobil Chemical’s Santoprene specialty products are the global leader in engineered TPEs, materials with the performance of rubber and the processing ease of plastic. Santoprene products are part of a broad portfolio of elastomers from ExxonMobil Chemical providing innovative elastomeric solutions combined with global support service in material selection, design, processing, and supply chain management, plastics technology, product quality and customer service with marketing operations in more than 150 countries around the world. For more information visit www.santoprene.com and www.exxonmobilchemical.com.
Note to Editors:
1. Santoprene is a trademark of an Exxon Mobil Corporation affiliate.
2. The term "ExxonMobil Chemical" refers collectively to some or all of the
companies affiliated with Exxon Mobil Corporation which have chemical
manufacturing and/or marketing operations around the world.
3. Further information on engineered thermoplastic elastomers and vulcanizates
can be obtained from www.santoprene.com.
