Non-uniform porosity of paper and coated paper is important in printing and paper making industries. Current porosity measurements give results averaged over a large area. A new method is developed to determine local variations in porosity and surface chemistry. A measured volume of a probe liquid is applied to a hemispherical glass probe. The substrate of interest is brought into contact with the fluid drop. The resulting liquid bridge exerts a force on the probe due to surface tension forces. A video camera is used to visually correlate the physical phenomena with the force-time data. The force-time data is recorded for substrates in four main groups: 1) non-porous, 2) model porous, 3) swellable substrates, and 4) real substrates. The for...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this paper measurements of the forces acting between two solid surfaces separated by a thin liqui...
Non-uniform porosity of paper and coated paper is important in printing and paper making industries....
This investigation sets out to develop a more quantitative understanding of how paper structure impa...
We introduce a method to measure liquid absorption into paper based on measuring white light reflec...
The goal of this thesis was to understand water-based liquid transport in thin multi-layer porous ma...
The goal of this thesis was to understand water-based liquid transport in thin multi-layer porous ma...
Flow monitoring in porous materials is critical for the engineering of paper-based microfluidic bioa...
Recent years have witnessed an increased demand for a method for precise measurement of the microstr...
Microfluidic paper-based analytical devices (µPADs) are a promising technology to enable accurate an...
In this paper, we report an analysis of pressed paper in terms of porosity and permeability. Previou...
The dynamics of liquid penetration into porous networks is important for many processes during the p...
Paper-based microfluidic devices are widely used in point-of-care testing applications. Imbibition s...
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 20...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this paper measurements of the forces acting between two solid surfaces separated by a thin liqui...
Non-uniform porosity of paper and coated paper is important in printing and paper making industries....
This investigation sets out to develop a more quantitative understanding of how paper structure impa...
We introduce a method to measure liquid absorption into paper based on measuring white light reflec...
The goal of this thesis was to understand water-based liquid transport in thin multi-layer porous ma...
The goal of this thesis was to understand water-based liquid transport in thin multi-layer porous ma...
Flow monitoring in porous materials is critical for the engineering of paper-based microfluidic bioa...
Recent years have witnessed an increased demand for a method for precise measurement of the microstr...
Microfluidic paper-based analytical devices (µPADs) are a promising technology to enable accurate an...
In this paper, we report an analysis of pressed paper in terms of porosity and permeability. Previou...
The dynamics of liquid penetration into porous networks is important for many processes during the p...
Paper-based microfluidic devices are widely used in point-of-care testing applications. Imbibition s...
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 20...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this study, the spreading of a liquid droplet on the surface of a fibrous paper and its penetrati...
In this paper measurements of the forces acting between two solid surfaces separated by a thin liqui...