“BASF has a portfolio in waterborne dispersions, and for fluid-applied air barriers we have four different types of latexes offered in two different areas: vapor permeable and vapor impermeable,” says Murphy. “Not only can our latex achieve permeability with low water absorption, it...
Developed with silyl-terminated polyether (STPE) technology, Tyvek® Fluid Applied WB+™ delivers a durable weather barrier that’s tailored to meet the demands of heavy commercial construction projects.
Once on the substrate, the easily applied liquid quickly dries into a rubberized, highly durable, water-resistant, vapor-permeable membrane. Spray Wrap MVP provides superior protection against water intrusion while minimizing potential for condensation within walls. The durable membrane conforms and ...
The DuPont™ Tyvek® Fluid Applied System’s unique formulation cures to form a membrane that is both highly elastic to allow for expansion and contraction of the structure without cracking, and vapor permeable to help prevent air and water intrusion. "This is an operational hospital in a ...
Chenevert (1970a), however, pointed out that the essential factor is the activity of the water in the shale (as determined in the laboratory by the vapor pressure of preserved cores), since it determines the potential swelling pressure, as shown by Eq. (9.8). Therefore, swelling will be ...
In vascular networks, the transport across different vessel walls regulates chemical compositions in blood over space and time. Replicating such trans-wall transport with spatial heterogeneity can empower synthetic fluidic systems to program fluid compos
Here P is pressure, h the height of the liquid column, ρ the density of the manometer fluid, g the acceleration due to gravity at the location of the experiment, Pc the pressure due to capillarity, and Pv the pressure due to the vapor of the manometer fluid. Subscripts 1 and 2 refer...
Once an initial group of adherent atoms is linked to the polymer, additional material may be linked to the captured atoms. The additional metal required to achieve impermeability may be a pure metal or an alloy, and can be applied by several techniques, such as sputtering, vacuum vapor deposit...
In an example, to determine the fluid parameters of density, viscosity, temperature, and other calculated results, the same methods may be applied that were previously discussed for the example of FIG. 1. In another example, the calculated result of Reynolds Number may be determined as being a...
container 2 of FIG. 2 also has a vacuum port 32 with a gas-permeable but microorganism-impermeable barrier 34 and a valve 36. The barrier covers the vacuum port 32 and blocks passage for microorganism, valve 36 controls the opening and closing of the vacuum port 32. As shown, fluid port...