Author:Shorthouse, CA; Robinson, GADate:Jun 1987Repco wrapped core-spun (RWCS) and Repco wrapped spun (RWS) wool yarns, having textured nylon or polyester as the filament component were spun to a range of yarn linear densities from three lots of tops (1) polymer treated tops pretreated by ...Read more
Author:Shorthouse, CM; Robinson, GADate:Mar 1987Repco wrapped core-spun (RWCS) and Repco wrapped spun (RWS) wool yarns, having textured nylon or polyester as the filament component, were spun to limiting counts and then knitted into medium and fine gauge double jersey fabrics (Pun to-di-Roma ...Read more
Author:Cawood, MPDate:1978Textured yarns, especially polyester, play an important role in the synthetic and natural yarn market. In the apparel sector the false twist textured yarns have maintained the dominant position.Read more
Author:De Oliver, PDate:Mar 1981SAWTRI update: The effect of staple crimp, mean fibre diameter and resistance to compression on the bundle tensile properties of a wide range of unrelaxed and wetrelaxed wool tops has been investigated. It was found that the tensile properties ...Read more
Author:Turpie, DWF; De Olivier, W; Hunter, L; Van Rensburg, JJ; Strydom, MADate:Dec 1982A major building extension programme and the installation of new equipment were completed during the year. The extensions to the buildings have ·provided the Institute with much needed additional floor space for some of the existing departments ...Read more
Author:De W. Olivier, PDate:Mar 1974SAWTRI bulletin editorial news. This issue also elaborates on the following: 1. The simultaneous and continuous dyeing and shrinkproofing of all wool fabric or top sliver by means of polyacrylate Hercosett resin and reactive dyes. 2. Some ...Read more
Author:Hunter, IM; Weideman, E; Wevers, HW; Veldsman, DPDate:Mar 1971The 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
Author:SAWTRIDate:Dec 1987Seam slippage in woven woolen fabrics for leisure wear was investigated. The results obtained showed that a change in the stitch length or sewing thread type did not have a significant effect on the magnitude of seam slippage. However, the ...Read more
Author:Lück-Vogel, MelanieDate:Oct 2023This presentation was the baseline for about 20 training workshops to government official on coastal climate change, coastal flood and erosion risk lines and coastal management lines. These workshops were conducted between 2020 and 2023 on ...Read more
Author:Layton, L; Ellis, R; Robinson, GADate:May 1972A new concept in designing colour-and-co-we-nit effects is described and illustrated with samples.Read more
Author:Hunter, L; Cizek, J; Turpie, DWFDate:1987An analysis has been undertaken of the inter-correlation between various measures of weak places in yarns and their role in determining weavability.Read more
Author:Hunter, L; Gee, EDate:Apr 1982This paper reports on some findings of a study started at the SAWTRI some five years ago ago, and which was aimed at determining the effect of fibre properties and in particular, air-flow determined fineness and maturity, on the properties ...Read more
Author:Bonapace, AC; du Toit, PDate:1975Some physical expressions relating the parameters of the magnetic field have been derived. A description of the magnetic field was carried out by measuring the magnetic flux intensity at various points along the drum circumference and at ...Read more
Author:Gaigher, JLDate:1976This report discusses an investigation of radio frequency ashing, micro-sieving in an ultrasonic bath and X-ray diffraction analysis, it is possible to determine the grain-size distribution of the mineral matter in a coal sample.Read more
Author:Gaigher, JLDate:1977This report deals with the reactivity of mineral matter prepared from coal by the radio-frequency oxidation method, with the using X-ray diffraction to detect mineral phase changes, and possible react ion mechanisms.Read more
Author:Joubert, FEDate:1976A mobile gas analysis laboratory has been acquired by the Fuel Research Institute. The purpose of this facility is to provide to the Inspectors of mines and to colliery managements an on-site gas analysis service during fire control operations.Read more
Author:Kershaw, JRDate:1976The oils from dynamic and static hydrogenation, supercritical gas extraction and soxhlet extraction were separated into a number of fractions by absorption chromatography on silica-gel. The fractions from this chromatographic separation were ...Read more
Author:Kelly, IWDate:May 1976Good correlation was found between the AATCC Wrinkle Recovery Rating and the mean wrinkle for a series of cotton/polyester blend fabrics.Read more
