Induced crystallization
WebPassionate about people & sustainability. Strategic & conceptual innovator. Team player with leadership mentality. Life-long learner. I am by training a process engineer … Web26 mrt. 2024 · A transparent polyamide, poly(4,4′-aminocyclohexyl methylene dodecanedicarboxylamide) (PAPACM12), was studied and characterized by in situ wide-angle X-ray diffraction (WAXD) to establish the relationship between its crystallization …
Induced crystallization
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WebIt incorporates nonlinear viscoelasticity, including viscosity change as a result of formation of oriented fibrillar crystals (shish), compressibility, and nonisothermal process conditions … WebCrystallization under the influence of moderately strong flow conditions or specific nucleating agents can induce the β-phase [7], whereas crystallization of the γ-phase can be achieved in several ways, such as inclusion of small amounts of 1-olefin co-units [8], introduc- tion of stereo- and regio-irregularities controlled by a metallocene catalyst …
Web1 jan. 2024 · The most obvious effects induced during flow are ascribed to kinetic and morphologic aspects. This effect has been extensively studied for rubber materials, … Web24 jun. 1998 · Flow-Induced Crystallization Topics Amorphous materials Viscoelastic fluid Fiber spinning Crystallization Crystalline solids ABSTRACT In this work we investigate the use of an inhomogeneous structural model which explicitly takes into account flow-induced crystallization for representing the necking phenomenon in high-speed fiber spinning.
Web6 feb. 2024 · Abstract. The recently reported crystallization-induced diastereomer transformation (CIDT) of a precursor to navoximod was investigated using online HPLC … Web8 jan. 2024 · Flow-induced crystallization in polymers is an important problem in both fundamental polymer science and industrial polymer processing. The key process of flow …
Web1 apr. 2011 · The crystallization was measured based on the grain size. The result showed that the crystallization was extremely small with single step annealing process. In contrast, two step annealing...
Web18 feb. 2024 · The continuous investigation of crystallization contributes to a better understanding on the general non-equilibrium ordering in condensed physics. In the current review, the general theories related to polymer nucleation under flow (FIN) were summarized first as a preliminary knowledge. houghton regis gp surgeryWebN2 - A modeling framework is presented to describe flow-induced crystallization of isotactic polypropylene at elevated pressures in multiple crystal phases and … houghtonregismedicalcentre.co.ukWebEmploying a series of spectral and electro experiments, the morphology and crystal analyses, and theoretical simulation, the potential mechanism of photo-induced … link hover active visitedWeb1 jun. 2012 · A technique to improve and accelerate aluminum induced crystallization (AIC) by using hydrogen plasma is proposed. Raman spectroscopy and secondary ion mass spectrometry of crystallized poly-Si thin films show that hydrogen plasma radicals reduce the crystallization time of AIC. This technique shortens the annealing time from 10 to 4 h … houghton regis leisure centre swimmingWeb6 feb. 2024 · Abstract. The recently reported crystallization-induced diastereomer transformation (CIDT) of a precursor to navoximod was investigated using online HPLC via a modified EasySampler probe that enables selective solution phase sampling of heterogeneous reaction mixtures. By employing both chiral and achiral stationary … link housing west lothianWebThis design has two major benefits: 1) the setup is as simple as conventional confocal microscope and 2) high laser power (>1 W at the sample) required to induce crystallization produces high Raman signal (cf. typical Raman spectroscopy is performed using ∼10 mW with seconds to minutes accumulation time), which increases the temporal resolution … link hover active visited orderWebCombining in situ high-pressure X-ray scattering with transmission electron microscopy, we investigated the pressure-induced structural switches between the rock salt and amorphous phases as well as the associated mechanisms of their crystallization and growth in 6 nm PbTe nanocrystal. It was observed that rock salt PbTe nanocrystal started to become … link housing work for us