Printing performance of starch carbamate alone or

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apparent that the FBIof the sodiumalgi- natp.is lower than that of starch carbam-. ate; i.e. sodium alginate is more pseudoplasticity than starch carbamate.
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P knitted cotton> wool rubbing fastness in the case of starch cotton. carbamate and starch carbamate/alginate

wool/cotton ratio

(L)

knitted-wool/cotton fabricshavingblending ratios of 20/80,35/ 65 and SO/SO.It is clear that, regardless of the printed fabric type, the K/5and (b) values are markedly increased withthe increment ofthe starch carbamate ratio, while (a) value is slightly affected. The (L) value, on the other hand, is lowered, as the color gets darker.

fabric

(SO/50)

Table 3 shows the K/5 as well as (L), (a) and (b) component values of printed

(75/25) thickening agent is (3-4) and being lower than the other studied thickening agent with a value of (4-5).

PRINTING ,.J

Table 4 : The fastness

and stiffness

data of the printed

Knitted

cotton

and wool fabrics

fabric

agent composition ratio (%) clirbamate Sodium alginate

Dry

Wet

Washing Fastness St. AIt.

0 25 50 75 100

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

4-5 4-5 4-5 5 4-5

Dry

Wt:t

Washing Fastness St. Alt.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

4-5 4-5 4-5 5 4-5

Rubbing Fl!stness

Thickening Starch

cotton

TOO 75 50 25 0

Bending Length. (cm)

3-4 3-4 3-4 3-4 3-4

1.62 1.57 1.58 1.54 1.56

Woven cotton fabric Thickening Starch

agent composition (%)

carbamate

Sodium

0 25 50 75 100

ratio

Rubbing Fastness

alginate 100 75 50 25 0

Bendinl: Length

.

(cm)

3-4 3-4 3-4 3-4 3-4

1.82 1.86 1.88 I. 84 1.86

Woven wool fabric Thickening Starch

agent composition (%) carbamate Sodium

0 25 50 75 100 ~t.

= Stain

.

..

...

AIt.

ratio

Washing Fastness

Rubbing Fastness

alginate 100 75 50 25 0

Bending

Length. ..

Dry

Wet

St.

AIt.

(cm)

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

3 3. 4-5 4-5 4-5

3 3 4 4 4

3.05 2.94 3.00 2.92 2.90

= Alteration

The bending length of untreated

knitted

cotton

fabric

The bending length of untreated woven cotton fabric The bending length of untreated

Stiffness

The stiffness values of all the prin~ed fabric samples, expressed as bending length (cm), are showninTables4 &5. It can be obser/ed fromthe obtained data that the stiffness values for each set of the printed fabrics, I.e. knitted cotton, woven cotton, woven wool, or knitted-

woven wool fabric

= 1.42 =

1.84

= 2.84

cm cm

cm

wool/cotton blends (20/80, 35/65 and 50/ 50) are comparable.

References 1. Thomas, C., Colourage,22 (10),36 (1981).

2. Smith, B.A.,International Dyer, 3, 29(1995)..

3. Parae Osterman"D., Acta Graph 8 (1), 19 (1996).

4. Tell, M.D., and Ramani, V.Y., Am Dyest Rep, 82, 26 (1993).

5. Bide,M.and O'Hara,D.C., TextChem Color,26, 6 (1994).

.

6. Hebefsh, A., EI-Kashouti,MA, EIZairy, M.R.and Haggag,K.,Am Dves CDLDURAGE 0 APRil2004 . 29

PRINTING ,.J

Table

4 : The

fastness

and stiffness

data

Knitted

Thickening

agent composition

of the printed

cotton

ciirbamate

Sodium

alginate

0

100

25

75

50

50

75

25

100

0 Woven

Thickening

agent composition

ratio

carbamate

Sodium

alginate

0

100

25

75

50

50

75

25

100

0

wool

fabrics

Dry

Wet

Washing Fastness St. Alt.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

4-5 4-5 4-5 5 4-5

Dry

Wl:t

Washing Fastness St. Alt.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

4-5 4-5 4-5 5 4-5

Bending Length" (cm) 1.62 1.57 1.58 1.54 1.56

3-4 3-4 3-4 3-4 3-4

fabric

Rubbing Fastness

(%) Starch

cotton

and

fabric Rubbing F2stness

ratio

(%) Starch

cotton

Bending Length .. (cm) 1.82 1. 86 1.88 1. 84 1. 86

3-4 3-4 3-4 3-4 3-4

Woven wool fabric Thickening

agent composition

Rubbing Fastness Wet Dry

ratio

(%) Starch

carbamate

Sodium

alginate

100 75 50 25 0

0 25 50 75 100

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

Washing Fastness

Bending Length"""

St.

Alt.

(cm)

3

3

3.05

3

3

2.94

4-5

4

3.00

4-5

4

2.92

4-5

4

2.90

$t. = Slain Alt. = Alteration ..

The bending

length

of untreated

knitted

..,.

The bending

length

of untreated

woven

cotton

,.,.,.

The bending

length

of untreated

woven

wool

Stiffness

The stiffness values of all the prin~ed fabric samples, expressed as bending length (cm), are showninTables4 &S. It can be obser.'ed fromthe obtained data that the stiffness values for each set of the printed fabrics, Le. knitted cotton, woven cotton, woven wool, or knitted-

cotton

fabric fabric fabric

= 1.42 cm = 1.84 cm = 2.84 cm

wool/cotton blends (20/80,35/65 and 50/ 50) are comparable.

References 1. Thomas, c., C%urage, 22 (10),36 (1981).

2. Smith, B.A.,Internationa/ Dyer, 3, 29 (1995). .

3. Parae OstermanllD., Acta Graph 8 (i), 19 (1996);

,

4. Teli, M.D., and Ramani, V.Y., Am Dyest Rep, 82, 26 (1993).

5. Bide,M.and O'Hara,D.e., Te.xtChem C%r, 26, 6 (1994).

,

6. Hebelsh, A., EI-Kashouti,MA, EIZairy, M.R. and Haggag, K., Am Dves

CDLDURAGE

0 APRil2004 . 29

.-

PRINTING

~

-1

Table 5 : The fastness

and stiffness Knitted

Thickening Starch

agent composition (%) carbamate Sodium 0 25 50 75 lOO

Starch

alginate

agent composition (%) carbamate Sodium

alginate

0 25 50 75 lOO SI.

= Stain

... ...

All.

Dry

Wet

Washing Fastness St. AIt.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

3 3 4-5 4-5 4-5

fabric

alginate lOO 75 50 25 0

3 3 4 4 4

Dry

Wet

Washing Fastness AIt. St.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

3 3 4-5 4-5 4-5

fabric

fabrics

Bending Length. (cm) 2.36 2.27 2.30 2.24 2.28

(35/65)

3 3 4 4 4

Bending

Length.. (cm) 2.48 2.42 2.49 2.40 2.40

(SO/50)

Dry

Wet

Washing Fastness Alt. St.

4-5 4-5 4-5 4-5 4-5

3-4 3-4 4-5 4-5 4-5

3 3 4-5 4-5 4-5

Rubbing Fastness

ratio

3 3 4 4 4

Bending Length... (cm) 2.78 2.68 2.71 2.65 2.64

= AlIeration

The bending length of untreated The bending length of untreated The be:Jding length of untreated

Rep, 84, 28 (1994). Vickerstaff,T.J., J. Soc. DyersC%r, 73,237 (1957). 8. Hebeish,A.,Abd-EI-Thalougth, I. and Kamel, M., Am Dyes Rep, 62, 28 (1973). 9. Hebeish,A.,Ibrahim, M.A.,Abd-EIThalougth, I. and EI-Zairy, M.R. StarchjStarke37, 372 (1985). 10. Haggag,K.,Abd- EI-Thalougth, I.,

7.

30

wool/cotton

blends

(20/80)

Rubbing Fastness

ratio

Knitted

Starch

wool/cotton

100 75 50 25 0

agent composition (%) carbamate Sodium

fabric

cotton/wool

Rubbing Fastness

100 75 50 25 0

0 25 50 75 lOO

Thickening

wool/cotton

ratio

Knitted Thickening

data of the printed

. COLOURAGE 0

knitted knitted knitted

wool/cotton wool/cotton wool/cotton

(20/80) (35/65) (50/50

= 2.12 cm = 2.34 cm = 2.56 cm

EI-Kashouti, M.A.,and Kantough, F.A., K%r Ert, 31,47 (1989). 11. EI-Alfy,E.A., Samaha, S.H. Hebeish, A. and Tera., F.M. Proceeding of the 2nd Arab International Conferent:e on Advances in Material Science and Engineering (Polymeric Materials), Cairo and Fayoum,6-9 Sept. (1993). 12. Judd, D.B. & Wyszecki, H., Color in Business, Science and Industry, 3rd

Ed., John Wiley and Sons (1975). 13. Severs, E.T., "Rheology of r:olymerH Reinhold, New Ye>rk,1962, p. 6. 14. Teli, M.D. and Vaas, U.V., Am Dyest Rep, 79, 15 (1990). 15. Bandyopadhyay, B.N. Mukhopadhyay, A.K., Afini, A.V., Salaskar, N. R. and ACharekar, S.B., Ind. J. of Fiber & Textile Research,

24,49(1999).

.

APRIL 2004

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