South African Wool and Textile Research Institute (SAWTRI) Collection
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The South African Wool and Textile Research Institute (SAWTRI) was established in Grahamstown in the early 1950's upon the inactive of the South African wool board. This followed the recommendation of Professor J.B Speakman (Professor of Textile Science at Leeds University) who was invited to study the possibility of organizing a wool research facility in South Africa to look after the textile research and development needs of both the wool procedure and growing wool and textile manufacturing industry of South Africa.
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Item Item Machine washable hand knitting yarns(1967) Den Heijer, ZMM; Swanepoel, OAConsumer surveys carried out in Europe have placed renewed emphasis on the desirability of having available on the market pure wool hand knitting yarns which would be suitable for washing in household machines.Item Special Publication: From Mohair fleece to fabric. An account of SAWTRI's research(1968) Veldsman, DPSAWTRI hopes that, through this resume, and through its complete list of publications where more detail is required, a contribution is being made to the knowledge of one of nature' most powerful wonderful fibres.Item From Mohair fleece to fabric: An account of SAWTRI's research(SAWTRI, 1968-02) Veldsman, DPSAWTRI hopes that, through this resume, and through its complete list of publications where more detail is required, a contribution is being made to the knowledge of one of nature's most powerful wonderful fibers.Item Aspects of the shrinkproofing and bleaching of wool(1968-04) Becker, J; Swanepoel, OAThe production of whites and pastel shades in wool is complicated by the fibers' natural cream to yellow ground color and their tendency to yellow during certain processing operations.Item On the processing characteristics of S.A Merino wools. Part IV: Processing lambswool on a modified worsted system(1968-06) Cilliers, WCLambswool is reputed to process certain distinctive properties, which makes it especially suited for selected end uses.Item Continuous reactive dyeing of wool in urea medium(1968-07) Swanepoel, OA; Van der Merwe, JPWool was dyed by a continuous pad steam process with reactive dyes dissolved and concentrated solutions of urea.Item The characteristics of double pique wool fabrics knitted at different ratios of yarn intake. Part II Some additional physical properties(1968-09) Schulze, JEThis paper which is a continuation of technical report no .95, reports on some additional physical properties of Swiss and French double pique fabrics knitted with the same yarn at three different ratios of yarn.Item Some aspects of the spinning of mohair on the French system(1968-10) Cilliers, WCA course type of mohair was processed on the French system.Item Some physical properties of wool and wool/mohair blend medium-weight fabrics(1968-12) Slinger, RI; Robinson, GASeveral worsted fabrics made from merino/corriedale, corriedale/mohair and merino/mohair blends were examined.Item Carding and combing of mohair Part III: Rectilinear combing(1969-04) Kruger, PJThe formula sued for determining the percentage fibre breakage on the Noble comb was not suitable for rectilinear combing.Item Spinning mohair using the bradford (cap,ring or flyer) system as well as a combined Bradford/French system(1969-09) Cilliers, WCYarns from the relatively fine mohair fibres were stronger, more regular and could be spun finer counts.Item Reducing the weight loss during dyeing of DCCA shrinkproofed wool(1969-11) Swanepoel, OA; Van Rooyen, AThe loss of weight wool shockproof with DCCA is dyed was investigated and methods of reducing this loss by introducing cross linkages into the protein were examined.Item Factors influencing stitch length on a fully fashioned knitting machine(1970-06) Hunter, IMThe factors affecting stitching length on a fully fashioned plain machine have been investigated.Item The carding and combing of wools of different fibre lengths(1970-06) Kruger, PJ; Turpie, DWF; Aldrich, De VItem Dyeing of wool with reactive dyes at temperatures below the boil(1970-06) Van Heerden, N; Van der Merwe, JP; Swanepoel, OAWool was dyed at temperature below the boil with reactive dyestuffs.Item Dyeing of wool from a charged solvent system: A preliminary report(1970-07) Roesstorff, L; Swanepoel, OAA charge consisting of a mixture of an anionic surfactant, an alkylolamide and water is described which can be used for the emulsification of a large number of wool dyestuffs in perchlorethylene medium.Item Dimensional stability of knitted wool fabrics treated with synthappret LKF(1971-01) Van der Merwe, JP; Van Rooyen, AKnitted all wool fabrics were treated with synthappret LKF, autoclave steamed after evacuation and finally tested for dimensional stability.Item The combing performance of different types of comb cylinders for rectilinear combs(1971-02) Aldrich, De VThe combing performance of three types of comb cylinders were investigated, and compared on the basis of top cleanliness, mean fibre length of the top and fibre breakage.Item SAWTRI Bulletin 1971 Vol 5 issue 1(SAWTRI, 1971-03) Hunter, IM; Weideman, E; Wevers, HW; Veldsman, DPThe 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 influence of mild alkali treatment on wool for short periods and at different temperatures. 3. The use of organic solvents as a substitute for water in textile processing