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noosphe-re · 9 months
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https://pubs.aip.org/sor/jor/issue/65/5
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The mechanics behind the collapse of soft materials structure have befuddled researchers for decades. In a new study, researchers uncover a metric that finally correlates microscopic-level processes with what is seen at the macroscopic level.
The new metric is poised to help bring advances to various materials engineering challenges -- ranging from the formulation of better 3D printing inks, the construction of wearable flexible electronics and sensors, the accurate printing of biomedical implants, to helping control landslides and avalanches, and even improving the textures of processed foods and personal care products, the researchers said.
A team of chemical engineers from the University of Illinois Urbana-Champaign has made many advances in understanding how soft materials fail -- or yield -- to force. However, connecting the team's larger-scale observations to what is happening at the microscale level has remained elusive.
In the study, researchers at U. of I., collaborating with teams at Argonne National Laboratory, Johns Hopkins University and the University of Ottawa, explain this relationship with a new metric they call a "correlation ratio."
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andrewx100 · 2 months
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关于高分子的结构流变学模型
这是为许元泽先生的著作《高分子结构流变学》的第二章添加的评论。 许老师在第二章开头的这段话—— 高分子稀溶液的动力学理论可追溯到40年代,Kuhn、Kramers、Debye和Kirkwood等人的工作。他们把统计力学和流体力学结合起来,构成一种“分子”理论,实际上是分子结构模型的理论。50年代由Rouse和Zimm等发展这些概念和方法导出流变学量。70年代以来得到了流变学本构方程,理论结构逐步完善,并进行了细致的实验检验,针对不足之处又有各种新的探索。这方面较完整的总结参见Bird等的专著,其中较完整地反映了当代的水平。此外还可参阅一些总结性文献。 ——至今看来仍把该书出版时(1988年)已经定型的理论认识总结得很好。这些模型可称为高分子溶液的流变学性质的“经典模型”。它们都是流体动力学(hydrodynamic)模型,即明明溶质分子(对于高分子溶质则指一个链段单元)与溶剂分子的…
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madeofkaons · 5 months
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i love when researchers do stuff like this
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hohse · 7 months
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Day 7: Drip. Okay, so what can drip? Liquids! And a little known fact is: Cats are liquids. Marc-Antoine Fardin shows as much in his Ig Nobel Prize winning paper „On the Rheology of Cats“. Science!
(Like any good science communication, I‘m leaving out some important caveats. Read the paper.)
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ardatxhtta · 1 year
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merlinerd · 5 months
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Drilling Fluid Rheology | Merlinerd.com
Merlinerd.com offers a variety of rheology services for drilling fluids. Our team of experts can help you choose the best drilling fluid for your needs. Visit our website today to learn.
Drilling Fluid Rheology
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20microns · 5 months
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Enhance Product Performance with the Perfect Rheology Modifier
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Discover the ideal rheology modifier to enhance your product's performance. Unlock the full potential of your products with our top-of-the-line rheology modifiers. Our innovative solutions are designed to optimize product performance, improve stability, and enhance texture and viscosity. Discover how our rheology modifiers can take your products to the next level and stay ahead of the competition. Boost your product's success with our reliable solutions. For More Information Visit: https://www.20microns.com/products/rheology-modifier
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aishavass · 8 months
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fuckyeahfluiddynamics · 11 months
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adroit--2022 · 11 months
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andrewx100 · 2 months
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“流变学分为三部分”
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ask210624 · 1 year
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Rheology/ Physical Pharmacy/ Part 7 - What is Temperature Impact on Visc...
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20micronsnano · 1 year
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Inorganic Rheology Modifiers-20 Microns Nano Minerals Limited
Attapulgite, a naturally occurring mineral, is a crystalline hydrated magnesium alumino-silicate with a three dimensional chain structure that gives it unique colloidal and sorptive properties.
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wisefestivalwolf · 1 year
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Rheology Modifiers Market 2022, Growth Rate, Key Application, Analysis and Segments, Forecast 2030
Rheology Modifiers are agents used for the production of inks, paints, and others. They are extensively used in end-use industries to improve the physical features, impart thermal stability, and high quality to the final product. Moreover, they also provide reliability and versatility to the product.
The Global Rheology Modifiers Market is driven by the scope of its application in various sectors such as paints & coatings, cosmetics & personal care, adhesives & sealants, and others. Moreover, the paints & coatings segment is set to grow at a higher CAGR owing to the boundless use of adhesives in the sector.
Rheology Modifiers Market is projected to be worth USD 11.32 Billion by 2030, registering a CAGR of 4.1% during the forecast period (2021 - 2030).
Market Segmentation
The Global Rheology Modifiers Market is segmented into the type and application. The market by type is classified into organic and inorganic segments. The market by application is bifurcated into paints & coatings, cosmetics & personal care, adhesives & sealants, home care, institutional & industrial products (hi&i) products, construction, inks, pharmaceuticals, and oil & gas.
Market Scenario
The organic segment is the most widely used type in the market due to its growing consumption in heavy end-use industries such as paints & coatings, cosmetics & personal care, and other sectors. Moreover, it is estimated that this segment is set to dominate the market due to sag resistance, and high quality offered by the product.
The paints & coatings sector is the leading application segment in the market and is anticipated to observe a higher CAGR due to extensive use of the product to impart high-temperature resistance, glossy finish, efficiency, and other features to the product.
Key Players
BASF SE (Germany)
Arkema S.A.(France)
Clariant (Switzerland)
The Dow Chemical Company (U.S.)
Elementis plc (U.K.)
Akzo Nobel N.V. (the Netherlands)
The Lubrizol Corporation (U.S.)
Croda International Plc (U.K.)
Ashland (US)
Regional Analysis
Geographically, Rheology Modifiers Market is segmented across five regions in the world namely Asia Pacific, North America, Europe, Latin America, and the Middle East & Africa. Among these, Asia Pacific holds the majority of the market share due to advantages offered by the product such as flexibility, unique elongation and growing consumption of rheology modifiers in major industries. North America is set to expand at a significant rate owing to growing demand for the product in cosmetics & personal care, adhesives & sealants, and other sectors. In this region, the growing infrastructure development and an increase in the production capacity are driving the market. Due to these factors, the demand for the product is growing in the region. The rise in construction, oil & gas, pharmaceutical, and other sectors has driven the market in the European region. Due to boundless use of the product in major industries, Latin American region is estimated to witness a remarkable growth in the market. The rising demand for rheology modifiers in paints & coatings, oil & gas, and construction sectors is projected to drive the market in the Middle East & African region during the forecast period.
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