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Browsing by Author "Weideman, E"

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Chemical modification and processing of phormium tenax fibres Part II: The influence of chemical and mechanical softening of fibre tenacity and yield

Author: Weideman, E ; Van der Walt, LT Date: Jan 1978 The relative importance of various parameters such as temperature, concentration and treatment time on the chemical softening and bleaching of phormium fibre, has been investigated on a pilot scale. Read more
Electroflotation of dye liquors containing wool grease using aluminum electrodes

Author: Weideman, E ; Van Rensburg, NJJ Date: Feb 1982 The effect of electroflotation using aluminium electrodes on the C.O.D., D.O.C and colour values of liquors containing acid, disperse, mordant and basic dyes in the presence and absence of wool grease was investigated. Read more
SAWTRI Bulletin 1971 Vol 5 issue 1

Author: Hunter, IM ; Weideman, E ; Wevers, HW ; Veldsman, DP Date: Mar 1971 The decision to convert SAWTRI to a National institute is an expression of confidence in the future of the research. The bulletin also contains the following: 1. A study of the variation in doubling twist of wool worsted hosiery yarns. 2. The ... Read more
Studies on the surface chemistry of wool. Part I: the surface free energy of diiodomethane

Author: Weideman, E Date: Sep 1976 The liquid diiodomethane has been used extensively for measuring contact angles on solids, and he values obtained are used for the calculation of the surface free energy of the solids. Read more
Studies on the surface chemistry of wool. Part II - The critical surface tension of wool and polymers - some results and a reinterpretation of the theory on surface interactions

Author: Weideman, E ; Van Rensburg, NJJ Date: Nov 1976 A brief review of the theory and literature on interfacial phenomena is given. A statistical analysis of published data has shown that the value obtained for Y (the surface free energy or surface tension of a solid), is dependent on the values ... Read more

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Browsing by Author "Weideman, E"

Browsing by Author "Weideman, E"

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