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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Textile Coloration and Finishing
Journal Basic Information
Journal DOI :
The Korean Society of Dyers and Finishers
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Volume & Issues
Volume 11, Issue 6 - Dec 1999
Volume 11, Issue 5 - Oct 1999
Volume 11, Issue 4 - Aug 1999
Volume 11, Issue 3 - Jun 1999
Volume 11, Issue 2 - Apr 1999
Volume 11, Issue 1 - Feb 1999
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The Analysis of the Micro-structure of Oxygen Plasma Treated PET Using a Nitrogen Porosimeter
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 1~6
The porosities of PET fibers were investigated using a nitrogen porosimeter according to oxygen plasma treatment and dyeing with a disperse dye, and they were discussed in terms of the change of internal micro-structure of the PET fiber. The total pore volume, surface area and average pore size of the plasma treated PET fibers increased expectably compared with the untreated sample. The PET fibers treated with oxygen plasma and then dyed with a disperse dye were increased significantly in the surface area and the total pore volume comparing with those of plasma treated only, but decreased in the average pore size. The increase of the surface area, after dyeing, of the plasma treated PET fibers was due to addition of the surface area of the dye itself to that of the PET fiber. The increase of the total pore volume of the plasma treated PET fibers by dyeing, which is the opposite result to the general idea that the pore volume of fibers would be reduced by occupation of dye molecules in the pores, could be explained by the free-volume model. This is that the amorphous region in the fiber expanded by occupation of dye molecules, and the marginal space surrounding dyes was generated as many smaller pores, and the decrease of the average pore size of the dyed sample also could be explained The decrease of the average pore size was caused by the splitting of a larger pore into smaller pores.
Curing of Epoxy Resins by Aminophosphazene Derivatives and Its Thermal Properties
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 7~17
Aminophosphazene derivatives were prepared from hexachlorocyclotriphosphazene and used for the curing agents of epoxy resins. The effect of the curing agent on the dynamic viscoelastic properties, flame proofing, and heat resistance of the cured epoxy resins were investigated and compared with those for the epoxy resins cured with aliphatic and aromatic amines. The epoxy resin cured by 1,1-diamino-3,3,5,5-tetrachlorocyclotriphosphazene showed the highest storage modulus and glass transition temperature when cured at 19
for 6 hours. The epoxy resins cured with phosphazene derivatives showed superior flame proofing to those with aliphatic amine and aromatic amine. Particularly it is an effective curing agent for epoxy resins to enhance the storage modulus, flame proofing and resistance to heat.
Effect of Processing Condition of Texturing M/C on the Physical Properties of Textured Polyester Filament
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 18~23
PET POY(pre-oriented-yam) were treated by false twister to high bulky. False twister have many processing parameters velocity ratio(VR), belt cross angle
, 1st heater temp. and K(twisting tension/untwisting tension). we analyzed the effect of properties of textured polyester yam on processing condition. Initial modulus, thermal stress, No. of snarl is decreased by 1st heater. In VR=1.97, Dry and wet shrinkage is increased but is decreased by 1st heater in VR=1.564. K/S and cristallinity tend to increase by decreasing VR.
Changes of Surface Characteristics of Polyester Fabrics on the Deposition and the Removal of Oily Soils (I) - The Effect of Wash Cycles on the Water- and Oil-repellent Finished Fabrics in Detergency -
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 24~35
This study was carried out to investigate the changes of surface characteristics of polyester fabrics on the deposition and the removal of oily soils from polyester fabrics in detergency, The relations between the removal of soil and the changes of surface properties of polyester fabrics treated with water- and oil-repellent agents were discussed before and after various wash cycles. Two kinds of fluoropolymers were selected as water-and oil-repellent finishing agents. The effects of water- and oil-repellent finishes were determined by the water repellency and oil repellency. The surface properties of untreated and treated polyester fabrics were evaluated with respect to contact angle and wicking time. The treatment of polyester fabrics with fluoropolymers improved efficiently water repellency, oil repellency, contact angle and wicking time. But those properties were greatly decreased after 3 times of wash cycles in detergency The deposition of oily soils on the untreated fabrics was drastically increased with increasing of wash cycles. The deposition and the removal of oily soils from fabrics treated with fluoropolymer having hydrophobic components were very low after various wash cycles. The deposition and the removal of oily soils on the fabrics treated with fluoropolymer having hydrophilic components were high comparatively after various wash cycles. Even though the surface properties of treated fabrics were greatly decreased with the increasing of wash cycles, the remains of oily soils on the fabrics were lower than those of untreated fabrics in various wash cycles. But the remains of soils were drastically increased after 10 times of wash cycles in any cases.
A Study on the Antimicrobial Activity of Allylamine Polymers(II)
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 36~42
The antimicrobial activities of the copolymer of N,N'-dimethyl- N,N'-diallyl ammonium chloride(DMDAAC) and diallyl amino(DA) were investigated. The copolymer of DMDAAC and DA was prepared by free radical Polymerization through an intra-intermolecular propagation mechanism ie, cyclopolymerization. The copolymer was, then, reacted with cyanuric chloride for reactivity with hydroxyl group of cellulose. Cotton fabrics were finished by synthesized polymer, and their antimicrobial activities and fastness to launderings were tested. Dichlorotriazinyl DMDAAC-DA copolymer has MIC value of 1ppm against S. aureus and 10ppm against K pneumoniae. The antimicrobial fastness of the finished cotton to launderings were good enough to show colony reduction above 70% against S. aureus and K pneumoniae after 50 repeated laundering in anionic commercial detergent. Optimum treatment concentrations of the polymer were 0.5% in cold pad-batch method, and 0.1% in pad-dry method.
Dyeing of Silk with Lichen Extract
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 43~50
Lichen had been used as dyestuffs before the discovery of synthetic dyes in Europe and by American Indians. To investigate the dyeability of Korean native lichens, 10 kinds of lichen were collected and colorants were extracted from them by boiling in water and fermenting in ammonia water. Silk fabrics were dyed with lichen extract, then the colour differences of dyed silk fabrics were measured before and after color fastness test. The most part of the lichen extracts(Fc, Hh, Me, Pl, Xm, Pr, Cj, Ld, Ry) dyed silk yellowish or reddish brown. The range of colors were 2.4Y 6.5∼10YR 6/7. Pa extract dyed silk purple(1.25RP 5/6). Color differences of laundered specimen with the silk before laundering were very small, but color of the dyed silks after exposing to light showed big differences with the specimen before exposing to light. The colors of the silks dyed with lichens changed from yellowish or reddish brown to greenish brown by laundering and by exposing to light. But the specimen dyed Pa extract changed from purple to blueish purple by laundering and reddish purple by exposing to light.
A Study on Dimensional Properties of Warp Knitted Fabrics with Various Lengths of Underlap
Textile Coloration and Finishing, volume 11, issue 6, 1999, Pages 51~58
The dimensional properties on polyester warp knitted fabrics with various lengths of underlap were studied. The results indicated that loop density increased with decreasing loop length and loop density of satin warp knitted fabric are a little higher than that of reverse satin warp knitted fabrics at a constant loop length. As the distance of underlap becomes shorter, the weight per unit area and thickness increases, the bulkiness decreases and the shrinkage of knitted fabrics become larger toward wale in satin warp knitted fabric and toward the course in reverse satin warp knitted fabric.