Crystallization of cyclic polymers
WebApr 13, 2024 · In recent years, expanded polystyrene (EPS) lightweight soil has been widely used as subgrade in soft soil areas because of its light weight and environmental protection. This study aimed to investigate the dynamic characteristics of sodium silicate modified lime and fly ash treated EPS lightweight soil (SLS) under cyclic loading. The effects of EPS … WebWhat’s more, by inducing orientation crystallization, Wei et al. [35]. synthesized a polymer with fast room temperature self-healing ability (mechanical properties fully recovered within 24 h) and tensile strength up to 29.0 MPa. The design of multiple continuous pyridine ring hard segment structure was the key to the formation of orientated ...
Crystallization of cyclic polymers
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WebJan 1, 2024 · The crystallization and melting points, stem length, crystallinity, and latent heat of melting/crystallization of cyclic polymers are found to be substantially higher than their linear counterpart ... WebDec 2, 2016 · The simulated crystallization and melting behavior of entangled polymer melts using molecular dynamics where each chain is subject to a force dipole acting on its ends suggests that a strong increase in the lamellar thickness induced, by external deformation, a topological rather than a thermodynamic origin. 5 PDF
WebMay 26, 2024 · Cyclic synthetic polymers have been investigated as important drug delivery tools because they often have a greater drug loading capacity than other molecules and they can help deliver drugs... WebJan 1, 2015 · Crystallization of Cyclic Polymers 1 Introduction. Cyclic polymers are fascinating materials. They only differ from linear analogs in their lack of chain... 2 Types of Cyclic Polymers. The crystallization of several types of cyclic polymers is presented in …
WebApr 6, 2024 · Polymer crystallization. In addition, cyclic polymers are known to crystallize faster and to a larger extent to form thermally stable … WebSep 6, 2013 · High-molecular-weight poly-γ-glutamic acid-based polymers have been synthesized, tested and adopted for protein crystallization. Protein crystallization has …
WebJul 1, 2014 · Finally, group 3 includes reports where cyclic polymers have been found to have: ... It is clear from the above literature review that the crystallization of cyclic …
WebAug 16, 2013 · Because polymer systems are usually crystallized in the condition far from the equilibrium state, that is, under a large supercooling degree, the energy gap between the crystalline and melt states may be larger than that of the liquid–liquid phase separation. hippos christmasWebOct 7, 2024 · So far, many computer simulation studies on polymer crystallization have been carried out and some microcosmic mechanisms related to crystallization have been revealed [23–40]. Hagita et al. investigated the crystallization behavior of cyclic PE under static conditions by MD simulation and observed the temperature threshold of cyclic PE ... hippos climbingWebCyclic polymers with a ring-like topology and no chain ends are a unique class of macromolecules. In the past several decades, significant advances have been made to … hipposcreenWebAug 11, 2015 · The crystallization and melting points, melting/crystallization enthalpies, and overall crystallization kinetics of cyclic P3HTs are found to be … hippos classroom decorationsWebBT - Polymer Crystallization II: From Chain Microstructure to Processing. A2 - Auriemma, Finizia. A2 - Alfonso, Giovanni Carlo. A2 - de Rosa, Claudio. PB - Springer. ER - Roozemond PC, van Drongelen M, Peters GWM. Modeling Flow-Induced Crystallization. In Auriemma F, Alfonso GC, de Rosa C, editors, Polymer Crystallization II: From Chain ... hippos colourWebBiodegradable and hydrophilic functional polyesters were synthesized enzymatically using xylitol or d-sorbitol together with divinyl adipate and lipase B from Candida antartica (CAL-B). The resulting polyesters had pendant OH-groups from their sugar units which were esterified to different degrees with stearic acid chloride. The structure and the degrees of … hippos collective nounWebApr 24, 2024 · Generally, the initial process of polymer crystallization proceeds through the stages of primary nucleation and crystal growth [ 1 ]. Nucleation is the process of the formation of the nucleus from the melt or solution through disentangling, reeling of chains, and chain sliding diffusion. homes for sale in broussard