Author:Moolman, FS; Meunier, M; Labuschagne, Philip W; Truter, PADate:25 Jul 2005The CSIR has developed a novel oxygen barrier technology for plastics packaging based on interpolymer complex formation between PVOH (polyvinyl alcohol) and PMVE-MA (poly(methyl vinyl ether-co-maleic acid)). As interpolymer complexation ...Read more
Author:Schoeman, JJ; van Staden, JFDate:20 Aug 1997Electro-osmotic pumping (EOP) theory and its characteristics (transport numbers, brine concentration, current density, current efficiency, electro-osmotic coefficients, etc.) of Selemion AMV and CMV ion-exchange membranes were studied. The ...Read more
Author:Rawal, A; Davies, PJDate:2005Net structures were produced by replacing the static die (spinneret) with two concentric dies (consisting of slots) rotating in opposite directions in a melt extrusion process. A series of net structures and filaments were produced from a ...Read more
Author:Hato, MJ; Zhang, K; Ray, SS; Choi, HJDate:May 2011The authors have studied the rheological properties of clay suspensions in silicone oil, where clay surfaces were modified with three different types of surfactants. Dynamic oscillation measurements showed a plateau-like behavior for all the ...Read more
Author:Rawal, A; Gonsalves, JWDate:2006The present work deals with the net structures, which are produced by replacing the static die (spinneret) with two concentric dies rotating in opposite directions in a melt extrusion process. These dies consist of defined number of slots ...Read more