Patents for July
Patents as collected for the month of July by the editors of Rubber World Magazine Tire sensor container system for
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Devulcanization: A solution for scrap rubber
Development of a market for devulcanized and revulcanized rubbers can be achieved with in-depth understanding of the precise correlation among the physical and chemical properties of the initial vulcanizate, the devulcanization technique, and properties of the resulting devulcanizates.
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Effect of Thermax N990 on EPDM electrical percolation threshold
Blends of hard clay, N990 and N550 were utilized to evaluate the electrical percolation region of EPDM compounds; and the viscosity and physical properties of the compounds were also measured.
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Continuous extrusion processes for elastomeric materials
Principal methods for processing elastomeric materials are reviewed, including continuous extrusion and what is described as multi-step extrusion.
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Latex today with Jim Finn: The Lightning Round
The objective here is to provide a list of common latex types, their key characteristics, and a summary of their useful properties and contributions. It is unlikely that the summary will capture all the salient points of each latex type; but it should provide enough information to be useful if called upon to deliver a “30 second commercial.”
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Patents for May
Patents as compiled by the editors of Rubber World for May 2023 Fluid infused elastomersU.S. patent: 11,584,841Issued: February 21, 2023Inventors:
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Novel approach to solve EPDM bonding issue without surface treatment
High dyne EPDM compounds offer an exceptional high surface energy level with a minimum of 58 dynes/cm, which is higher than all known rubbers, and at least twice as high as that of a typical EPDM compound.
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Patents for April
Patents as compiled by the editors of Rubber World for April 2023 Crosslinked rubber composition and production method thereforU.S. patent:
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Silane modified low molecular weight liquid polymers in sulfur cured mixtures of styrene butadiene copolymers and silica
Global emissions of greenhouse gases from trucks and passenger cars are influenced by the deformation energy and friction losses of tires. It is mostly associated with the rolling resistance between the tire tread and the road surface. For this reason, the rolling resistance is considered one of the most important performance indicators (that is, targeted to be reduced) within the tire industry.
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Impacts of compounding and test variations on the abrasion of an NBR based shoe sole
In this study, several modifications were made to an NBR based work boot outsole compound, and the compounds were subjected to a variety of abrasion tests.
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