Solvent crazing of polymers
WebIn many applications, the coatings are obtained by applying thin films of dilute polymer solutions, wherein the solvent evaporates to leave behind a thin polymer film. In some … WebJan 1, 2001 · The dynamics of solvent crazing in polymers in the presence of adsorptionally active media was analyzed. As was shown, the solvent crazing of polymers in the …
Solvent crazing of polymers
Did you know?
WebApr 7, 2024 · To address interfacial instability caused by the residual DMF solvent in PVDF-HFP polymer, we developed a new La 2 O 3 filler into the PVDF-HFP matrix to form PVDF-HFP/La 2 O 3 CPE. Thanks to the reduced crystallinity of PVDF-HFP, the PVDF-HFP SE containing 40 wt% La 2 O 3 nanoparticles exhibited an enhanced ionic conductivity of 1.33 … WebThe minimum surface strain required to induce crazing in polymethylmethacrylate and polystyrene in the presence of alcohols and n-heptane has been determined at various …
WebFeb 1, 1983 · The inelastic strain criterion is not only capable of modeling high stress/strain crazing in air but also satisfies the case of low stress/strain crazing in solvents. Furthermore, it offers an accurate method of extrapolating data to long times and, thus, satisfies a fundamental requirement for a parameter that can be used in engineering design. Web5 rows · Dec 2, 2012 · The problems related to crazing in polymers are of special interest to polymer scientists ...
WebJan 23, 2007 · Blends based on polymers (PET, HDPE) prepared by deformation via the mechanism of classical and delocalized solvent crazing are described. The second … Web2 days ago · Non-solvent post-modifications with volatile reagents for remarkably porous ketone functionalized polymers of intrinsic microporosity Nat Commun. ... in a single step using volatile reagents and through a counter-intuitive non-solvent approach that enables surface area preservation. The modifications are simple, scalable ...
WebApr 10, 2024 · In this study, the influence of the solvent environment on crazing initiation in the absence of tensile stress was evaluated in Groups 1-2 and 5-6. The experiments showed that nonmilled regular PMMA and oriented PMMA in Groups 1-2 were immersed in alcohol and showed no crazing on the surface; instead, a swelling phenomenon appeared on both …
WebAug 24, 2024 · The result of such attacks can include softening, charring, crazing, delamination, embrittlement, ... the adhesives that are most immune to high temperatures … tidalhealth ocean pinesWebOct 24, 1995 · At this point, solvent crazing initiates in the presence of a triaxial stress field, and craze fibrils are easily drawn with additional deformation. For van der Waals (WL) … tidalhealth ocean pines campusWebDec 2, 2012 · The important problems of solvent crazing and the development of a universal description of polymer structure and properties have received much attention from many … the lycanthrope clubWebPoly(methyl methacrylate) (PMMA) is the synthetic polymer derived from methyl methacrylate.Being an engineering plastic, it is a transparent thermoplastic.PMMA is also known as acrylic, acrylic glass, as well as by … tidalhealth ocean pines labWebV. A. Kefalas, Solvent crazing as a stress‐induced surface adsorption and bulk plasticization effect, Journal of Applied Polymer Science, 58, 4, (711-717), (2003). Wiley Online Library … the lycan\u0027s queenWebSolvent Crazing of Polymers: v. 13 (Studies in Polymer Science S.) : Volynskii, A.L., Bakeev, N. F.: Amazon.in: Books the lycan\u0027s queen read onlineWebESC and polymer resistance to ESC (ESCR) have been studied for several decades. Research shows that the exposure of polymers to liquid chemicals tends to accelerate the crazing process, initiating crazes at stresses that … the lycan\u0027s queen book 2