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Browsing Archives collection by Author "Barkenhuysen, FA"

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Bleaching of 55/45 wool/cotton blend fabrics. Part II: Using sodium chlorite and various reducing agents

Author: Barkenhuysen, FA ; Leigh, RA Date: Aug 1977 The bleaching of a 55/45 wool/cotton blended fabric with sodium chlorite and various reducing agents was investigated. Read more
Continuous dyeing using radio frequency energy Part V: Laboratory studies involving energy frequency and dye liquor conductivity

Author: Garner, E ; Barkenhuysen, FA Date: Apr 1986 The dyeing of cotton fabric with frequency (HF) energy was investigated and compared with conventional dyeing processes. Read more
Continuous dyeing using radio frequency energy. Part 1: Preliminary trials on wool

Author: Barkenhuysen, FA ; Van Rensburg, NJJ ; Turpie, DWF Date: Jun 1981 The continuous dyeing of wool tops using a Fastran radio frequency (RF) dyeing machine was investigated. Read more
Continuous dyeing using radio frequency energy. Part VI (6): The effect of anode current and dyeing auxiliaries on the dyeing of wool

Author: Barkenhuysen, FA ; Van Rensburg, NJJ Date: May 1986 The effect of RF generator anode current on the dyeing temperature and the effect of dyeing auxiliaries in the pad liquor on the dye fixation. Read more
Continuous dyeing using radio requency energy. Part VIII (8): RF dyeing of polyester

Author: Barkenhuysen, FA ; Van Rensburg, NJJ ; Harwood, RJ Date: May 1987 The radio frequency (RF) energy dyeing of different types of polyester fibres with various disperse dyes and carriers was investigated. Read more
The continuous shrinkresistant treatment of wool tops using chlorine gas in a conventional suction drum backwash

Author: Van Rensburg, NJJ ; Barkenhuysen, FA Date: Sep 1983 Wool tops were shrinkresistant successfully on a conventional suction drum back wash using chlorine gas dissolved in water. Read more
Liquid ammonia mercerisation of cotton. Part I: Construction of a pilot plant chainless merceriser

Author: Hanekom, EC ; Barkenhuysen, FA Date: Dec 1975 The construction of a pilot chain-less merceriser for the liquid ammonia treatment of fabrics is described. Read more
Liquid ammonia mercerisation of cotton. Part II: The influence of anhydrous liquid ammonia on the dimensional stability of cotton fabrics

Author: Barkenhuysen, FA Date: Mar 1976 Cotton fabrics of different structures and densities were treated with liquid ammonia. Read more
Liquid ammonia mercerisation of cotton. Part III: The influence of anhydrous liquid ammonia on the physical properties of cotton fabrics

Author: Barkenhuysen, FA Date: Mar 1976 Certain physical properties of cotton fabrics were improved by a treatment with liquid ammonia. Although liquid ammonia mercerisation did not improve the breaking strength of the fabrics, it had a desirable effect on other properties such as ... Read more
Liquid ammonia mercerisation of cotton. Part IV: Liquid ammonia mercerisation as a pretreatment for subsequent durable press treatments

Author: Barkenhuysen, FA Date: Apr 1976 Cotton fabrics of different construction and densities were pretreated with liquid ammonia before durable press finishing treatments. Read more
Liquid ammonia mercerisation of cotton. Part V: the influence of anhydrous liquid ammonia on certain chemical properties of cotton

Author: Barkenhuysen, FA Date: May 1976 It was found that the fluidity of the cotton was not significantly affected by either liquid ammonia or sodium hydroxide mercerisation. Read more
Liquid ammonia mercerisation of cotton. Part VI liquid ammonia treatment of 50/50 cotton/polyester fabrics

Author: Barkenhuysen, FA Date: Nov 1976 The effect of liquid ammonia on certain properties of 50/50 cotton/polyester blended fabrics was investigated. Read more
Liquid ammonia mercerisation of cotton. Part VII: Liquid ammonia treatment of 67/33 cotton/wool blended fabrics

Author: Barkenhuysen, FA Date: Jan 1977 The effect of a liquid ammonia treatment on certain properties of 67/33 cotton/wool, all-cotton and all-wool fabrics was investigated. Read more
Radio frequency bleaching of cotton fabrics Part I: An introductory study

Author: Garner, E ; Barkenhuysen, FA Date: Dec 1984 The bleaching of cotton fabrics with radio frequency (RF) energy was investigated and compared with conventional pad-steam bleaching. Read more
Resin treatment of cotton fabrics in the slack state in liquid ammonia

Author: Barkenhuysen, FA ; Van Rensburg, NJJ Date: May 1980 Lightweight and heavyweight cotton fabrics were treated in the slack state with a solution of DMHEU resin and NH4NO3 catalyst in liquid ammonia. Read more
Some chemical properties and the response to liquid ammonia and sodium hydroxide of various South African cotton cultivars

Author: Barkenhuysen, FA ; Van Rensburg, NJJ Date: Oct 1982 Some chemical properties of various South African cotton cultivars, and their response to mercerising treatments were determined. Read more
Some sorption and X-ray characteristics of cotton fibres treated in yarn form with anhydrous and aqueous liquid ammonia

Author: Barkenhuysen, FA ; Van Rensburg, NJJ Date: Jul 1984 The modification of the structure of bleached cotton treated in yarn from with anhydrous liquid ammonia and liquid ammonia containing as much as 15% water was determined with the aid of iodine and moisture absorption tests, X-ray diffraction ... Read more
Sorption and X-ray diffraction studies on cotton fabrics treated in anhydrous and aqueous liquid ammonia

Author: Barkenhuysen, FA ; Van Rensburg, NJJ Date: Aug 1981 The effect of anhydrous and aqueous liquid as well as sodium hydroxide on the sorption of moisture, iodine and barium hydroxide by cotton was investigated. Read more
Stability of the chlorinating solution used in the SAWTRI chlorination process

Author: Hanekom, EC ; Barkenhuysen, FA Date: Aug 1975 Relatively stable concentrated DCCA solutions with a low pH value were obtained by using a mixture of an organic and an inorganic acid. Read more

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