(Liquid + liquid) equilibria of binary systems containing hyperbranched polymer Boltorn® H2004 – Experimental study and modelling in terms of lattice-cluster theory

Tuneable extraction systems based on hyperbranched polymers

“…Zeiner et al [21] revised the LCT according to the correction of Dudowicz et al [22]. Domańska et al [23] used the LCT in the version published by Zeiner et al [21] to calculate the LLE of HBPs in different solvents. However, the implementation of the polymer architecture alone does not lead to a sufficient modeling of systems containing HBPs.…”

Liquid–liquid phase equilibria of hyperbranched polymers—Experimental study and modeling

“…The association constant K 0B of the Boltorn polymers is not known. Therefore, this value was assumed from the fitting to the experimental LLE data in the system n-hexane + Boltorn-H2004 (K 0B = −1.775) measured by Domańska et al [26]. The real K 0B for the unmodified Boltorn H40 may be somewhat bigger because of the higher number of OH-groups, but model calculations showed, that the influence on the cloud-point curve is limited.…”

“…Unfortunately, there are remarkable differences between the existing experimental LLE data, and more work has to be done to get reliable information about the demixing behavior of Boltorn polymers. Because the end groups are significantly responsible for the properties of the hyperbranched polyester, a lot of modified polyesters were synthesized and their phase behaviors in different solvents were studied [21][22][23][24][25][26].…”

“…Zeiner et al [43] calculated the important geometrical parameter in a new way and applied the LCT to aqueous solutions of the Boltorn family. Domańska et al [25,26] used the LCT in the version published by Zeiner et al [43] to calculate the LLE for the modified Boltorn polymers U3000 and H2004 in different solvents. However, the implementation of the polymer architecture alone does not lead to a sufficient modeling of systems containing hyperbranched polymers.…”

Hyperbranched polymers – their application in printing inks

“…[9] The full set of basic thermophysical information concerning the investigated B-H2004, including the glass transition temperature, density and viscosity of pure polymer and solubility were presented earlier. [10][11][12] Investigated polymer is soluble in alcohols, ethers and aromatic hydrocarbons. [12] It is expected that HBPs will find commercial applications in flexographic printing because of their unique physical properties, large number of functional groups and ability to solvate in a wide range of materials.…”