Sorption and diffusion of organic solvents through interpenetrating polymer networks (IPNs) based on polyurethane and unsaturated polyester

Degree of conversion and plasticization of dimethacrylate-based polymeric matrices: influence of light-curing mode

“…In a low cross-linked polymer, the polymer-solvent interaction overcomes the polymer chain primary bonds, increasing the hole-free volume between polymer chains. Thus, the uptake of solvent will increase and so will the plasticization (32). Based on this, it is reasonable to hypothesize that although there was no significant difference in DC% between S and G mode, the polymer structures formed were different from each other.…”

Effects of water-storage on the physical and ultramorphological features of adhesives and primer/adhesive mixtures

“…The mechanical properties of glassy polymethylmethacrylates are to a great extent affected by the cohesive energy density of the polymer network 35) . Polymer cohesion is, in turn, a measurement of the density of crosslinks between polymer chains 36,37) . Polymer networks with a homogenous packing density (i.e.…”

Unsaturated Polyester Resins: Chemistry and Technology

“…The effect of composition of the IPNs on their mechanical properties and the morphology was studied. Sorption and diffusion of organic solvents through IPNs based on UPR and castoroil based polyurethane were tested for various weight compositions of PU and UPR, different crosslinking density (NCO/OH ratio) and various hydroxyl values of the used polyols [92]. It was found that all factors affect the sorption behavior, i.e.…”