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AKRON, OHIO (4 October, 2006) – The technical team for ExxonMobil Chemical’s
Santoprene™ specialty products has produced a new document which describes
the PolyMag™ 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.
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™
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
.
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ExxonMobil News Media Desk: 281-870-6607
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