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South African Wool and Textile Research Institute (SAWTRI) Collection: Recent submissions

Now showing items 21-40 of 237

The characteristics of double pique wool fabrics knitted at different ratios of yarn intake. Part II Some additional physical properties

Author: Schulze, JE Date: Sep 1968 This 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. Read more
The causes and measurement of knitted fabric barre

Author: Hunter, L Date: Nov 1976 The causes of Barre in fabrics knitted from continuous filament yarns, and their identification, are discussed. Read more
The carding and combing of wools of different fibre lengths

Author: Kruger, PJ ; Turpie, DWF ; Aldrich, De V Date: Jun 1970 Read more
The bleaching of wool with hydrogen peroxide in the presence of a phosphonic acid as stabilising agent

Author: Van Rensburg, NJJ Date: Sep 1971 Wool can be bleached successfully with hydrogen peroxide in the presence of an organic phosphate acid derivative. Read more
The bleaching of cotton with emulsions of hydrogen peroxide in perchlorethylene medium

Author: Van Rensburg, NJJ Date: Aug 1972 Cotton can be successfully bleached with emulsions of hydrogen peroxide in perchlorethylene by single step batch application. Read more
The between bale and between lot variations of South African grown cottons. Part II: Bundle tenacity and extension at 3,2 mm (1/8") gauge

Author: Hunter, L ; Gee, E Date: Dec 1976 The between-bale and between lot variations in the bundle tenacity and bundle extension have been determined on a Stelometer for a wide range of cottons grown in South African. Read more
The between bale and between lot variation of South African grown cottons. Part I: Micronaire, maturity, fineness, 2,5% span length, uniformity ratio and trash content

Author: Hunter, L Date: Aug 1976 The between-bale and between variations in micronaire, maturity ratio, 2,5 per cent span length, uniformity ratio and trash content have been determined for a wide range of cottons grown in South Africa. Read more
The bending properties of some Punto-di-Roma wool fabrics

Author: Delaney, P Date: Nov 1981 Seventeen wool lots, varying greatly in physical properties, were processed into Punto-di-Roma fabrics. Read more
The automatic determination of the twist in single wool worsted yarns

Author: Hunter, L Date: Jul 1973 The effect of wetting wool worsted yarns prior to testing on the twist values obtained by the double untwist-twist and untwist-retwist on tested on an automatic twist tester has been investigated. Read more
The autoclave steam-curing of cotton fabrics treated with various aminoplast resins

Author: Du Plessis, M ; Van Rensburg, NJJ Date: Sep 1977 Cotton fabric treated with aminoplast resins can be cured in an autoclave steamer, provided that the samples are sealed in aluminium foil or cooking bags. Read more
The application of the etters diffusion equation to the rates of absorption of chromium by dyed and undyed wool

Author: Maasdorp, APB Date: Nov 1983 A simple diffusion equation has been successfully used to monitor the initial fast absorption of chromium by both dyed and undyed wool. Read more
The application of a more rapid dyeing technique to the chrome dyeing of wool

Author: Roberts, MB Date: Feb 1978 In the chrome dying of wool by the afterchrome process, a saving of time has been achieved during the dyeing phase by commencing the dyeing at a higher temperature than normal and controlling exhaustion by means of a steady reduction in pH. Read more
Textiles: Some technical information and data. II: Conversion factors, fibre properties, spinning limits, typical twist factors, weaving performance and transfer printing temperatures

Author: Hunter, L Date: Jul 1978 The response to Part 1 of this series has been so good that it was considered worthwhile to extend the work to cover a wider field. Read more
Textiles: Some technical information and data: 1

Author: Hunter, L Date: Apr 1975 In textiles, as in other disciplines, technical and scientific information is increasing at a tremendous pace and the number of scientific and technical articles published is also growing at an ever increasing rate. Read more
Textiles: Some technical information and data. Part 6: Fusing

Author: Cawood, MP Date: Sep 1980 These articles on textile technical information will prove useful to industry as a source of data. Read more
Textiles: Some technical information and data. IV: Sewability, sewing needles, threads and seams

Author: Hunter, L ; Cawood, MP Date: Sep 1979 On 1 April 1979, SAWTRI launched a Clothing and Making-up Technology Department and it was therefore considered a worthwhile exercise to compile scientific and technical data and information related to this field since tremendous strides have ... Read more
Textiles: Some technical information and data. III: Low flammable and other high performance fibres

Author: Hunter, L Date: Jul 1978 This publication, the third in the series, mainly deals with special fibres which have certain high performance properties such as low flammability and high mechanical performance. 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
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 mild carbonising of raw wool and mohair. Part II: Some processing results on the woollen system

Author: Turpie, DWF Date: Mar 1988 The effects of a mild (partial) carbonising treatment on the characteristics of card slivers and slubbings produced on the woollen system of manufacture from various lambs wool lots are reported. Read more

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