In addition, theHildebrand solubility parameter, perhaps the most widely applicableof all the systems, includes such variations as the Hildebrandnumber, hydrogen bonding value, Hansen parameter, and fractionalparameter, to name a few… Figure 3 shows the morphological change as the total PMMA/PUA concentration increases. These results strongly suggest great potential for various applications in the field of soft lithography, such as antireflection layers, polymer membranes, artificial superhydrophobic surfaces, and nanopatterned structures. The presence of hydrogen bonding in the blends in the solid state has also been indicated by FTIR studies.". Domain structures of spin-coated immiscible poly(methyl methacrylate) (PMMA) and ultraviolet (UV) curable poly(urethane acrylate) (PUA) blends were studied using atomic force microscopy (AFM). Solutions of lower concentrations were then prepared by appropriately diluting these stock solutions with THF. AB - The miscibility of polymethylmethacrylate (PMMA) and polyethyleneglycol (PEG) blends in tetrahydrofuran. According to Van Oss, Chaudhury, and Good (VCG) theory, the surface tension components were used to calculate the PAM solubility in five different polar solvents: water, ethylene glycol (EG), acetone, ethanol, and dimethyl formamide (DMF). Morphology of the PMMA/PUA blended films with different weight ratios of PMMA : PUA in the 12 wt% solutions. In this chapter additional studies on operational variables, particularly dead volume, is … Dive into the research topics of 'Miscibility of polymethylmethacrylate and polyethyleneglycol blends in tetrahydrofuran'. Cyanoacrylate and acrylic [PMMA, MMA, etc] based polymers can get good bonding at the molecular level. The study also revealed that variation in the temperature does not affect the miscibility of PMMA and PEG blends in THF significantly. Access options Buy single article. Phase separation in spin-coated films is normally explained by various mechanisms, such as polymer-surface interactions, surface energy differences between polymers, and fast solvent evaporation of one component in polymer blends [20, 21]. Olga A. Efremova * ab, Konstantin A. Brylev cde, Yuri A. Vorotnikov cdf, Lucie Vejsadová bg, Michael A. Shestopalov cdf, Gwen F. Chimonides b, Petr Mikes g, Paul D. Topham b, Sung-Jin Kim e, Noboru Kitamura h and Andrew J. Sutherland b a Department of Chemistry, University of … It is concluded that the product PMMA particles, derived from the PMMA-acetone dilute solution, have a smaller particle size than those from the PMMA-THF dilute solution. Particularly, it is well known that domain structures and surface topography strongly depend on various polymer interactions (i.e., polymer-polymer and polymer-surface interactions) in the blended films, and the relative solubility of polymers in a common solvent can play a crucial role in determination of surface morphology [6]. Sign up here as a reviewer to help fast-track new submissions. PMMA samples were solubilized at 0.1% (w/w) in THF and injected into the chromatograph (100 μL). 1 Recommendation. Propylene glycol monomethyl ether acetate (PGMEA) was selected for a common solvent for the immiscible polymer blend of PMMA and PUA. The study also revealed that variation in the temperature does not affect the miscibility of PMMA and PEG blends in THF significantly. Review articles are excluded from this waiver policy. 1 Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andrés Bello, Quillota 980, Viña del Mar, Chile. To predict and characterize the mechanism of the dissolution of different molecular species one from another, the Hansen solubility parameters, which describe their mutual molecular interactions, can be employed. The cross-linked PUA in the polymer-blended films provides strong chemical stability in the solvents such as THF, and thus target materials for dissolution can be selectively available via a simple curing process. [email protected]. Averaged height differences between the cured PUA domains and the PMMA domains before the THF treatments were ~35 nm, ~72 nm, and ~157 nm for the 10 wt%, 15 wt%, and 20 wt% blended solutions, respectively (Figures 3(a)–3(c)). Ju-Hyung Kim, Joon H. Kim, Soonmin Seo, "Nanotextured Morphology of Poly(methyl methacrylate) and Ultraviolet Curable Poly(urethane acrylate) Blends via Phase Separation", Journal of Nanomaterials, vol. The height profiles are shown in insets. Total thickness of the blended film just after spin-coating was approximately 180 nm and averaged height difference between PUA and PMMA was 64 nm (Figure 2(a)). [ABS, PVC, HIPS] => Acetone and M ethyl E thyl K etone [MEK aka 2-Butanone] will dissolve both ABS and PVC and chemically rebuild the joint in a less ordered manner as the solvents dries. The results indicated the existence of positive interactions in the blend polymer solutions and that they are miscible in THF in the entire composition range. The results indicated the existence of positive interactions in the blend polymer solutions and that they are miscible in THF in the entire composition range. This is a preview of subscription content, log in to check access. journal = "Journal of Applied Polymer Science", Department of Chemistry, Manipal Institute of Technology, Manipal. Solubility exists on a spectrum. Spin-coating is a simple method for fabricating thin polymer films, which facilitates precise and easy control of film thickness by rotational velocity and concentration of polymer solution [8, 9]. In addition, morphology of the PMMA/PUA blends can be easily controlled by changing composition (i.e., total concentration and weight ratio) of the blends. The presence of hydrogen bonding in the blends in the solid state has also been indicated by FTIR studies. Morphological control of immiscible polymer blends has been widely studied in regard to phase geometry and dimensions, which can lead to many practical applications [1–5]. In addition, the PMMA/PUA blends with different weight ratios of PMMA : PUA were also examined for further evaluation of the mixing effects (see Section 2). Note that various total concentrations of the blended solutions were examined with the three different weight ratios. Solubility of Potassium Acetate in Water, 2,2,2-Trifluoroethanol, Ethanol and Their Binary Mixtures at 288.15–333.15 K. Chemical Research in Chinese Universities 2019, 550 DOI: 10.1007/s40242-019-9193-3. Ober CK, Escobedo FA similar phenomena, but they are not the same - the miscibility of polymethylmethacrylate polyethyleneglycol... 5 wt- % H. 2 % solutions gap occurs when the substances being mixed exist at more than phase... That morphology of the PMMA/PUA blended films with different LA: GA ratio holds to... With high stability which enables complete selective dissolution of one component authors declare that there is no conflict of regarding! The blended solutions were then prepared by appropriately diluting these stock solutions with different weight ratios: PUA the. Was immiscible in water and are reported as grams solvent/100 grams water the blend with wt. Thf treatment be selectively available via a simple UV curing process topics 'Miscibility... 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