New Santoprene(TM) TPE Grades Offer Strong Bonding to ETPs, Eliminate Need for Adhesives or Interlocks
26 Avril 2006 - 1:00PM
Business Wire
ExxonMobil Chemical has developed new Santoprene(TM) thermoplastic
elastomer (TPE) grades which bond successfully to engineered
thermoplastics (ETPs) in overmolding applications. New
Santoprene(TM) TPE bonding grades eliminate the need for adhesives,
bonding agents and physical or mechanical interlocks. This can
reduce processing steps which can improve product development cycle
times and reduce system costs. Additional benefits include a
distinctive soft-touch feel and easy colorability, enhancing design
flexibility. The combination of all these features and benefits can
improve overall part performance and appearance. "For many years,
processors used mechanical interlocks or chemical agents to bond a
soft TPE with a rigid ETP substrate in complex parts. This
presented numerous problems such as a non-uniform contact surface,
bonding failure, and high processing costs. For original equipment
manufacturers (OEMs), these problems could result in part failure
and high system replacement costs," said Seth Barron, Market
Segment Manager. The new Santoprene(TM) TPE bonding grades have
been designed for applications which require a specific soft-touch
feel, creative design and bonding to ETP materials. These include
polycarbonate (PC), acrylonitrile butadiene styrene (ABS),
acrylonitrile styrene acrylate (ASA), acrylic (PMMA) and
polyethylene terephthalate (PET) using either two-shot injection
molding or insert molding processes. An advantage of the new
Santoprene TPE grades is their performance with room-temperature
insert substrates and on thinner overmolds. "The new grades will
enable designers of products to be more creative and introduce more
functional, soft-touch components into their designs. These grades
will also enable designers to include multiple colors in their
products which can improve aesthetics and achieve product
differentiation," added Barron. Available in two hardnesses, 60
Shore A and 75 Shore A, Santoprene TPE 291-60B150 and 291-75B150
retain full bond strength in various environments including hot
air, oil and aqueous solutions. High bond retention values enable
the design and manufacture of parts which offer high quality
performance properties. These include long-term sealability and
high bond strength retention to extend the product lifetime,
durable soft touch feel, chemical and heat resistance (dishwasher
safe) and slip resistant touch. Santoprene(TM) TPE bonding grades
have proved successful in innovative electronic applications such
as MP3 player covers, mouse covers and various parts of video
cameras. About Santoprene(TM) specialty products Santoprene(TM)
specialty products, produced by an affiliate 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 Advanced Elastomer Systems, L.P., Akron, Ohio. 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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