(v) Rickets caused by washing
1. Filament (1) Morphology: The silk on the back of the silk is turned to the front, showing a light silk thread, mostly on the silk fabric.
(2) Cause:
1 The fabric was scratched when it was washed on a flat-line washing machine.
2 The print paste has poor permeability.
(3) Preventive measures:
1 Remove the debris from the flat washer in time.
2 Take measures to increase the permeability of the printing paste.
2. Wrinkle creases (1) Morphology: The surface of the silk surface shows irregular fine creases, which are generally produced on silk-washed silk.
(2) Cause: The rope bath is too small and takes too long.
(3) Prevention method: The rope wash should be moderate, and silk printing should not be used for rope washing.
3. The ground is not white (1) Form: White ground fabrics are gray and not clean. There are many causes for this rickets, but washing is the most prone to bleaching, especially when using cord washing equipment.
(2) Cause:
1 The rope bath ratio is too small, and the number of cylinders is too much.
2 On the same fabric, the size and color of the flower pattern are relatively large and difficult to grasp.
3 The fixing temperature and desizing temperature are too high or the temperature is not high, but the washing time is too long.
(3) Preventive measures:
1 Increase the water bath ratio and reduce the number of cylinder connections.
2 It is forbidden to wash different bath varieties with the bath.
3 Flexibly control the temperature and time of washing and fixing, and minimize the jump of temperature.
4 The method of washing in a straight line or after washing in a straight line can prevent white sticking and reduce the tension on the fabric.
5 According to the characteristics of dyes of different colors, proper additives are added to improve the washing efficiency and quality.
4. Sticky color (1) Morphology: Unusual, regular or irregular color spots or stains appear on the surface of the fabric.
(2) Cause:
1 Spilled color paste.
2 flower version drag.
3 The guide rollers are sticky (in the printing, steaming and washing equipment there are several upper and lower guide rollers).
4 There are debris (dust, color points, etc.) in the oven.
5 Semi-finished products have been stained.
6 sticky oil (various equipment are with oil).
7 clay, equipment is not clean, fabric mopping and so on.
(3) Preventive measures: Improve quality awareness, enhance sense of responsibility, civilized production, and improve hygiene.
1. Filament (1) Morphology: The silk on the back of the silk is turned to the front, showing a light silk thread, mostly on the silk fabric.
(2) Cause:
1 The fabric was scratched when it was washed on a flat-line washing machine.
2 The print paste has poor permeability.
(3) Preventive measures:
1 Remove the debris from the flat washer in time.
2 Take measures to increase the permeability of the printing paste.
2. Wrinkle creases (1) Morphology: The surface of the silk surface shows irregular fine creases, which are generally produced on silk-washed silk.
(2) Cause: The rope bath is too small and takes too long.
(3) Prevention method: The rope wash should be moderate, and silk printing should not be used for rope washing.
3. The ground is not white (1) Form: White ground fabrics are gray and not clean. There are many causes for this rickets, but washing is the most prone to bleaching, especially when using cord washing equipment.
(2) Cause:
1 The rope bath ratio is too small, and the number of cylinders is too much.
2 On the same fabric, the size and color of the flower pattern are relatively large and difficult to grasp.
3 The fixing temperature and desizing temperature are too high or the temperature is not high, but the washing time is too long.
(3) Preventive measures:
1 Increase the water bath ratio and reduce the number of cylinder connections.
2 It is forbidden to wash different bath varieties with the bath.
3 Flexibly control the temperature and time of washing and fixing, and minimize the jump of temperature.
4 The method of washing in a straight line or after washing in a straight line can prevent white sticking and reduce the tension on the fabric.
5 According to the characteristics of dyes of different colors, proper additives are added to improve the washing efficiency and quality.
4. Sticky color (1) Morphology: Unusual, regular or irregular color spots or stains appear on the surface of the fabric.
(2) Cause:
1 Spilled color paste.
2 flower version drag.
3 The guide rollers are sticky (in the printing, steaming and washing equipment there are several upper and lower guide rollers).
4 There are debris (dust, color points, etc.) in the oven.
5 Semi-finished products have been stained.
6 sticky oil (various equipment are with oil).
7 clay, equipment is not clean, fabric mopping and so on.
(3) Preventive measures: Improve quality awareness, enhance sense of responsibility, civilized production, and improve hygiene.
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