December 2023
The December issue of Rubber World is now online. Articles include: Molding of fluoroelastomersby William Stahl, WMS Technologies, LLC.When planning to
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December
Molecular Rebar with Aflas for improved physical properties
Molecular Rebar in Aflas FEPM, when used in an Aflas compound formulation, results in improved tear toughness and high temperature modulus retention.
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Building confidence in liquid silicone rubber molding through simulation
Precise, early stage design simulations can result in substantial savings by streamlining the mold design process.
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Molding of fluoroelastomers
When planning to mold a fluoroelastomer part, one needs to understand its application, environment and part dimensions in order to determine polymer selection, cure system and other compounding ingredients and processing properties needed for compression, transfer or injection molding.
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Patents for December
Rubber industry patents as compiled by the editors of Rubber World Magazine for December 2023 Phthalic anhydride modified polymer rubbers
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Energy impact of fillers in latex wall coatings
Performance of inorganic fillers in a latex wall coating is evaluated. Material performance properties analyzed include reflectance, emittance, tensile and
tear.
Nitrosamine and nitrosatable safe natural latex products
Challenges to producing nitrosamine and nitrosatable safe natural latex products are described by the author.
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Hydrocarbon resins as an alternative to TDAE oil in tire tread compounds
Improving the balance between wet grip, rolling and wear resistance using performance hydrocarbon resins as an alternative to treated distillate aromatic extracted oil in tire tread compounds is examined.
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Post IEC Daily
This follow-up to the 2023 International Elastomer Conference and Expo, held last month in Cleveland, Ohio, and published for the Rubber Division, ACS
by Lippincott & Peto, Inc., includes photographs and summaries of IEC events, including the Rubber Division, ACS Service Award recipients, 2023 scholarship winners, the Experience Elastomers Student Outreach Program, nomination information for the Rubber Division, ACS 2025 Science & Technology Awards, 2023 exhibitors, and details on the Rubber Division, ACS Spring Technical Meeting.
Metallurgical grade silicon metal and silicone rubber: A matter of national security
Metallurgical grade silicon metal (SiME) is essential to the production of polydimethylsiloxane (PDMS) silicone rubber, a material that is indispensable to modern life. As this article will show, metallurgical grade SiME, and not simply silicon, belongs on the U.S. Department of Energy’s (DOE) Critical Materials List because of its importance to national security. Currently, the DOE’s Critical Materials List includes “silicon,” a term that is overly broad because it also includes elemental silicon and polysilicon.
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