Patents for May
Patents as collected from the USTPO by the editors of Rubber World for May 2025 Perfluoropolyether-Based Rubber CompositionPatent No.: US
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Articles
CNRS researchers develop new method for silicone recycling
A study conducted by the Centre de RMN à très haut champs at Lyon (CNRS) researchers describes a new method of recycling silicone waste (caulk, sealants, gels, adhesives, cosmetics, etc.). It has the potential to significantly reduce the sector’s environmental impacts. This is the first universal recycling process that brings any type of used silicone material back to an earlier state in its life cycle where each molecule has only one silicon atom. And there is no need for the raw materials currently used to design new silicones. Moreover, since it is chemical and not mechanical recycling, the reuse of the material can be carried out infinitely.
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Hutchinson innovates to slash carbon emissions without compromising performance for automotive sealing
Hutchinson’s solution involved the creation of two new materials: revea® TPE 428, which contains 37% biobased, biosourced, or recycled ingredients, and revea® TPE 426, which contains 29% biobased, biosourced, or recycled ingredients. These materials deliver the desired properties for various window seals, offering substantial CO2 savings—25% reduction with revea® TPE 428 and 16% with revea® TPE 426 compared to traditional materials.
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Reduction of zinc oxide in 10 compounds of a model passenger car radial tire
Excess zinc in the body of living organisms is problematic in nature, and zinc primarily enters the environment through rubber articles, including disposed tires. Work done to minimize the amount of zinc oxide consumption in 10 compounds of a typical passenger car tire is explained by the author.
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Unique engineered molded product from scrap tires
Rubber World’s April Perspective feature Ben Chouchaoui discussing some of the more recent trends in scrap tire disposal and recycling, as well as some of the opportunities new practices are bringing to the industry.
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Latex Foam and its applications
by Boontham Nithi-Uthai, consultant Latex foam was industrially created in 1929 by Dunlop Rubber. The latex was foamed with fatty
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Structural adhesives composed of epoxy resins and hydrogen bonded styrenic block polymer based TPEs
A wide range of polymer materials with excellent performance and functionality has been developed in recent years to address diverse and complex material applications. Adhesives are one such example of these polymer materials. In general, adhesives are composed of a liquid substance (prepolymer) that is first used to fill in the rough surface of one substrate, and then the adhesive on the substrate is sandwiched by another substrate. Polymerization and crosslinking of the prepolymer in the adhesives are induced by heat or other external stimuli, leading to curing of the adhesives between substrates.
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Patents for April 2025
Patents as compiled by the editors of Rubber World Magazine for April 2025
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Intco Medical launches new Syntex synthetic disposable latex gloves
Unlike traditional latex gloves, the new Syntex™ gloves offer high elasticity, strong puncture and chemical resistance, and a natural-latex-like feel, all while avoiding the allergy risks associated with natural latex. Developed with an exclusive innovative formula that increases average breaking elongation through a 650% stretch, meeting the ASTM D6319 medical glove standard and offering exceptional durability and comfort.
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Cimcorp AI is making tire manufacturing automation even more of a game-changer
Unlike traditional automation that relies on predefined instructions, AI-driven systems learn, adapt and make real-time decisions through machine learning and data analysis. This shift enables businesses to handle complex, dynamic environments with greater flexibility and precision, continually improving and optimizing based on real-world conditions. AI-powered automation predicts needs, identifies inefficiencies and evolves with each interaction, facilitating faster and smarter decision-making, without human intervention.
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