Author:Hunter, L; Gee, E; Smuts, SDate:Jul 1981In spite of the widely reported similarity of properly constructed STT yarns and two-ply ring spun yarns in terms of physical properties and weaving performance, a mill with a large Repco installation approached SAWTRI because of problems ...Read more
Author:McMahon, JF; Van der Walt, GHJDate:Aug 1985This report presents a review of some of these non-conventional systems linked to warp sizing.Read more
Author:Hunter, L; Smuts, SDate:Feb 1978This report is concerned with the yarn frictional properties, which were not covered in the earlier studies, the knitting performance of the yearns and the physical properties of the resulting fabrics.Read more
Author:Van Rooyen, B; Hunter, IM; Slinger, RIDate:Nov 1971This report details the relationship between the values obtained on a Shirley Constant tension Winding ester and certain yarn properties, such as tensile strength, irregularity, twist etc.Read more
Author:Turpie, DWFDate:Feb 1975The spindle speed of a 144 spindle ring frame was increased in steps at a given rate during the spinning of wool to relatively fine counts until all ends were down.Read more
Author:Roberts, MBDate:Sep 1976The minimum quantity of chromate necessary for the production of deep colors of high wet fastness on wool is shown for four chrome dyes.Read more
Author:Van Rensburg, NJJDate:Sep 1982The products formed by the combustion of textile fibres and the relative toxicity ratings of a number of textiles are discussed in this paper.Read more
Author:Hunter, L; Smuts, SDate:Jul 1978In practice, many tests are carried out on fabrics in an attempt to predict their durability and wear performance. The present report deals with a survey conducted on the physical properties of a wide range of commercial woven fabrics in ...Read more
Author:Aldrich, De VDate:Oct 1973Technological advances on textile processing machinery have resulted in increases in production rates to levels which have not even been contemplated 30 years ago.Read more
Author:Hunter, LDate:Aug 1983Airflow measured micronaire, maturity and fineness values, obtained on lap and card and drawframe slivers, have been compared, the samples having been prepared for testing by opening and randomisation on wither a Shirley analyzer or an Essdiel ...Read more
Author:Hunter, L; Smuts, SDate:Dec 1977The wrinkle recovery properties of plain and 2/2 twill lightweight all wool, different blends of wool/polyester and wool acrylic, and all-polyester and different test methods used generally gave similar trends on the de-aged fabrics, but this ...Read more
Author:Hunter, L; Cawood, MP; Dobson, DADate:Sep 1981The performance of three different types of knots (dogs, fisherman's and weavers) during the knitting of different single jersey and double jersey structures has been compared.Read more
Author:Aldrich, De VDate:Mar 1975The lint produced from both hand picked and machine picked Deltapine 826 cotton was evaluated for processing efficiency, and yarn and fabric properties.Read more
Author:Maasdorp, APB; Black, WADate:Apr 1983The photochemical degradation of unpigmented and unstabilised polypropylene films can be monitored coloremetrically following reaction of the carbonyl groups produced, with 2,4-dinitrophenylhydrazone produced under acidic conditions.Read more
Author:Trollip, NGDate:Oct 1985The discovery of heterogeneous stereospecific catalyst systems by Ziegler and Natta 1953 heralded the birth of a wide variety of new polymers such as highly crystalline (isotactic) polypropylene.Read more
Author:Gee, EDate:Aug 1976Some of this data together with data as yet unpublished, were used in this present report with the object of obtaining a statistical assessment of the accuracy of the MSS (Mean Spindle Speed) at break technique.Read more
Author:Van Rensburg, NJJDate:Jun 1975Some factors affecting the shrinkresist treatment of wool by chlorination followed by a treatment with a polyamide epichlorohydrin (PAE)-polyacrylate dispersion were studied.Read more