förbehandling av textil för en mer1287451/fulltext01.pdf · reference [cn/tex] tenacity rotor...
TRANSCRIPT
![Page 1: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/1.jpg)
Förbehandling av textil för en mer skonsam rivningKATARINA LINDSTRÖMDOKTORANDTEXTILHÖGSKOLAN, BORÅSPROJEKT TESTBÄDD TEXTILÅTERVINNING
![Page 2: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/2.jpg)
Master thesis work
u Namuga, Catherine. (2017) Old To Become As Good As New
u Sjöblom, Therese. (2018) Fabric Conditioning For a More Gentle Shredding
![Page 3: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/3.jpg)
Hypotheses
u Friction between fibres and fibres & machine during shredding causes fibres to break and loose some of their original length
u Lubrication of textile decrease friction during shredding, thereby decreasing fibre length loss
u Prediction of friction during shredding with the use of a new method to measure inter fibre friction
![Page 4: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/4.jpg)
Fibre length
u Important factor in processability of fibresu Cardingu Too short not possible to spin alone
u Longer fibres results in wider usage; stronger yarn
u Shredding process shortens the fibres u Mix with new fibres
u Low value products
u How to increase the value of shredded fibres?u Maximize fibre length
![Page 5: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/5.jpg)
Fibre friction
u Friction
u irregularities & adhesion
u static & kinetic
u cause deformation and heat
u Inter fibre friction test
![Page 6: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/6.jpg)
Fibre friction
u Necessary in yarns and fabrics
u Managed parameter during fibre and yarn manufacturingu low fibre-to-fibre friction facilitate fibre
separation during cardingu too low friction during carding cause
fibre slippage and uncontrolled process
u High fibre friction during textile shredding cause u fibre length lossu melting of polymeric fibres
Nero, S. & Ydrefors, M. (2018) Från fiber till textil -garnspinningens påverkan på mekaniska egenskaper
![Page 7: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/7.jpg)
Fibre friction:Lubricant treatment
u Decrease fibre friction
u Polyethylene glycole (PEG)
u Lubrication, decreases friction
u Water soluble
u Non-toxic, eco-friendly
![Page 8: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/8.jpg)
Research Questions
u Does treatment with polyethylene glycol (PEG) 4000 of fabric improve the shredding process?
u Decreased fibre length loss?
u Is it possible to spin yarn from 100% recycled fibres?
![Page 9: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/9.jpg)
Friction test
u Carded web of fibres
u Pulled apart in tensile test
u Result shows static and kinetic friction
u PEG 4000
u 0.1-1.0 %wof
Namuga (2017)
![Page 10: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/10.jpg)
Result: Friction test
Namuga (2017) Sjöblom (2018)
![Page 11: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/11.jpg)
Shredded textiles
u Cotton
u Untreated
u Conditioned with PEG 4000
u 0.1 %wof
u 0.29 %wof
u Polyester
u Untreated
u Conditioned with PEG 4000
u 0.2 %wof
u 0.79 %wof
![Page 12: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/12.jpg)
Cotton: shredded fibres
Untreated PEG 40000.1 %wof
PEG 40000.29 %wof
![Page 13: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/13.jpg)
Result:Neps & threads in shredded material
Material Pre-treatmentNeps and threadsweight %
Cotton Untreated 23,2 %
0.1 %wof PEG 4000 21,2 % -9%
0.29 %wof PEG 4000 18,4 % -21%
Polyester Untreated 44,4 %
0.2 %wof PEG 4000 41,2 % -7%
0.71 %wof PEG 4000 22 % -50%
multifilament
![Page 14: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/14.jpg)
Cotton: shredded fibres
Untreated PEG 40000.1 %wof
PEG 40000.29 %wof
![Page 15: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/15.jpg)
Result:Fibre length after shredding
Material Pre-treatment Fibre length (mm)Cotton Untreated 9,1
0.1 %wof PEG 4000 11,9 +31%
0.29 %wof PEG 4000 13,4 +47%
Polyester Untreated 7,8
0.2 %wof PEG 4000 15,1 +94%
0.71 %wof PEG 4000 17,2 +121%
![Page 16: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/16.jpg)
Polyester: shredded fibres
Untreated PEG 40000.2 %wof
PEG 40000.79 %wof
![Page 17: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/17.jpg)
Result:Rotor spun yarn
u Cotton
u Stronger with higher percentage treatment (when washed off)
u Polyester
u Treatment needed for spinnability
u Stronger yarn with higher percentage treatment
u Remove treatment after spinning for increased yarn strength
0
2
4
6
8
10
12
14
16
COTTONUNTREATED
COTTON0.1 w%
PEG 4000
COTTON0.29 w%
PEG 4000
POLYESTER0.2 w%
PEG 4000
POLYESTER0.71 w%
PEG 4000
COTTONREFERENCE
Tenacity rotor spun yarns[cN/tex][cN/tex]
![Page 18: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/18.jpg)
Result:Rotor spun yarn
u Cotton
u Stronger with higher percentage treatment (when washed off)
u Polyester
u Treatment needed for spinnability
u Stronger yarn with higher percentage treatment
u Remove treatment after spinning for increased yarn strength
0
2
4
6
8
10
12
14
16
COTTONUNTREATED
COTTON0.1 w%
PEG 4000
COTTON0.29 w%
PEG 4000
POLYESTER0.2 w%
PEG 4000
POLYESTER0.71 w%
PEG 4000
COTTONREFERENCE
Tenacity rotor spun yarns[cN/tex][cN/tex]
0
2
4
6
8
10
12
14
16
COTTONUNTREATED
COTTON0.1 w%
PEG 4000
COTTON0.29 w%
PEG 4000
POLYESTER0.71 w%
PEG 4000
COTTONREFERENCE
Yarn tenacity before & after washing[cN/tex]
![Page 19: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/19.jpg)
Conclusions
u PEG 4000 treatment made the shredding more efficientu Higher degree of shredded fibres
u Increased fibre length, especially for polyester
u Lower friction during shredding
u Multifilament yarn are more difficult to shred than staple fibre yarn
u It is possible to predict the fibre length reduction in shredding process by measuring friction between fibres
![Page 20: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/20.jpg)
Future continuation
u Find lubricant for every textile material
u Lubricant
u Percentage
u Develop fibre friction measurement method
u Find value added applications
![Page 21: Förbehandling av textil för en mer1287451/FULLTEXT01.pdf · REFERENCE [cN/tex] Tenacity rotor spun yarns 0 2 4 6 8 10 12 14 16 COTTON UNTREATED COTTON 0.1 w% PEG 4000 COTTON 0.29](https://reader034.vdocuments.us/reader034/viewer/2022051921/600efa547459a50e18749a95/html5/thumbnails/21.jpg)
Förbehandling av textil för en mer skonsam rivningKATARINA LINDSTRÖMDOKTORANDTEXTILHÖGSKOLAN, BORÅSPROJEKT TESTBÄDD TEXTILÅTERVINNING