Project Report on Study on the Effects of Sanforizing Machine on the Properti...Morshed Morshed
A thesis submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Textile Engineering
Advance in Wet Processing Technology
A machine or apparatus for stretching or stentering fabrics. The purpose of the Stenter machine is to bringing the length and width to pre determine dimensions and also for heat setting and it is used for applying finishing chemicals and also shade variation is adjusted. The main function of the Stenter is to stretch the fabric widthwise and to recover the uniform width.
Acid wash is again becoming popular on denim jeans and we are going to see more of acid washes in the coming seasons. Here, let’s have a quick look at the acid washing process. An acid wash finish treatment creates significant contrasts in the color of the denim material. It can be done on Indigo & Sulphur base fabric garments. As the randomly faded, acid washed style came into vogue in 1980s, the process of treating denim in such a way began to become increasingly refined. Some tried to use a method similar to the stonewashing, yet the fading did not occur as dramatically or throughout the material. Acid-washed on apparel, (Phosphoric Acid is used in the process, acid would react with fabric surface and destroy the fabric), is washed with thermocol ball, pumic stones or until it is bleached almost white. During Acid wash, thermocol ball or pumic stones are used. By the action of thermocol ball or pumic stones, irregular fading affect is developed on the heavy garments like denims, thick canvas/twill, and sweater.
Project Report on Study on the Effects of Sanforizing Machine on the Properti...Morshed Morshed
A thesis submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Textile Engineering
Advance in Wet Processing Technology
A machine or apparatus for stretching or stentering fabrics. The purpose of the Stenter machine is to bringing the length and width to pre determine dimensions and also for heat setting and it is used for applying finishing chemicals and also shade variation is adjusted. The main function of the Stenter is to stretch the fabric widthwise and to recover the uniform width.
Acid wash is again becoming popular on denim jeans and we are going to see more of acid washes in the coming seasons. Here, let’s have a quick look at the acid washing process. An acid wash finish treatment creates significant contrasts in the color of the denim material. It can be done on Indigo & Sulphur base fabric garments. As the randomly faded, acid washed style came into vogue in 1980s, the process of treating denim in such a way began to become increasingly refined. Some tried to use a method similar to the stonewashing, yet the fading did not occur as dramatically or throughout the material. Acid-washed on apparel, (Phosphoric Acid is used in the process, acid would react with fabric surface and destroy the fabric), is washed with thermocol ball, pumic stones or until it is bleached almost white. During Acid wash, thermocol ball or pumic stones are used. By the action of thermocol ball or pumic stones, irregular fading affect is developed on the heavy garments like denims, thick canvas/twill, and sweater.
TOPICS COVERED: ASOLUTE AND RELATIVE HUMIDITY MOISTURE REGAIN AND CONTENT Regain-Humidity Relations of Textiles Regain VS Relative Humidity Curve Factors Affecting the Regain of Textile Materials Effect of moisture on properties
Terry fabric is a knitted fabric with ring yarn or terry covering at one or both sides. It belongs to one of the fancy knitted fabrics. Terry fabric is characterized by soft touch, thick texture, excellent water absorption and heat retention. Terry fabric can be divided into single-sided and double-sided terry loop fabrics. The terry can form pattern effect on the knitting surface distributed according to some certain rules. Terry fabric after shearing or other process can be turned into fleece fabric or velvet fabric.
TOPICS COVERED: ASOLUTE AND RELATIVE HUMIDITY MOISTURE REGAIN AND CONTENT Regain-Humidity Relations of Textiles Regain VS Relative Humidity Curve Factors Affecting the Regain of Textile Materials Effect of moisture on properties
Terry fabric is a knitted fabric with ring yarn or terry covering at one or both sides. It belongs to one of the fancy knitted fabrics. Terry fabric is characterized by soft touch, thick texture, excellent water absorption and heat retention. Terry fabric can be divided into single-sided and double-sided terry loop fabrics. The terry can form pattern effect on the knitting surface distributed according to some certain rules. Terry fabric after shearing or other process can be turned into fleece fabric or velvet fabric.
Washing is the process & technology which is used to modify the appearance, outlook comfort ability and fashion of the garments is called garment washing.
Discussion on different type Sand Blasting process on denim fabric with properties, advantages & disadvantages.
S
and blasting is a mechanical process in which localised abrasion or colour change on the denim garment is created. The process involves blasting an abrasive material in granular, powdered form at a very high speed and pressure through a nozzle, on certain areas of the garment such as knees and elbows. The treated surface shows distressed/abraded/used look.
Hand sand is a fundamental dry process now a day. This process is done in dry condition to remove the colour from a specific area. In maximum garments, we have to do this process because the Sand Blasting process is now banned. This process is done manually with abrasive paper on a specific area. At first, we have to make the garments and then put on the dummy and scrapped. After this process, quality is checked and goes for the first wash. The effects will be visible after a complete wash.
The differences between Sand Blast and Hand sand
Machine Sanding:
In this technique, a series of cylindrical rolls in a horizontal arrangement, either wrapped with an abrasive paper or chemically coated with an abrasive.
Industrial Garments Washing is one of the major important parts for Textile sector. By industrial garments washing we can remove dust, dirt and infections material. For improving special look on garments as per fashion requirement. Garment washing is normally done after stitching. According to fashion trend and customer demand buyers ask for garment washing. For the washing apparel buyers mention exactly what types of washing they need for the order.
A wrinkle, also known as a rhytide, is a fold, ridge or crease in the cloth or garments. Wrinkle is a particular type of pressure in the finished fabric. It is produced during finishing operations by the thickness of the seam used to join pieces for processing.Resin & its use in Denim garments industry to create unique & vintage looks which add value to denim garments & improves it sale ability in market. In 80’s we have seen Resin being used to give non press , iron free trousers & now we are using in Denims to make wrinkles & creases to look natural vintage which stays after multiple home laundries.
Industrial Garments Washing is one of the major important parts for Textile sector. By industrial garments washing we can remove dust, dirt and infections material. For improving special look on garments as per fashion requirement. Garment washing is normally done after stitching. According to fashion trend and customer demand buyers ask for garment washing. For the washing apparel buyers mention exactly what types of washing they need for the order.
The presentation contains information about silicon wash, process flow chart and process of wash. That will help you to build your knowledge about silicon wash.
Acid wash is a washing process which is so popular to creating effect on garments. This presentation slide remains process and valuable information about Acid Wash.
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Study on Acid washing Process of Garments | Acid washing Process of Garments
1. GREEN UNIVERSITY OF BANGLADESH
Department Of Textile
Lab Report
Course Code : TE 413D
Course Title : Apparel Manufacturing III Lab
No Of Experiment : 06
Name Of Experiment : Study on acid washing process of garments.
Remarks:
Submitted By:
Name : Md Rakibul Hassan
ID : 183014057
Section : E2
Department : Textile
Submitted to:
Name : Jannat Jahan Joya
Designation : Lecturer
Department : Textile
2. Experiment No: 06
Experiment Name: Study on acid washing process of garments.
Introduction:
Acid wash is a process in which a denim garment is treated with a bleach solution containing chlorine-
soaked stones so that the color becomes faded and the material is softer. In case of acid wash, pumic
stones are used. By the action of pumic stones, an irregular fading effect is developed on heavy
garments like denim, thick canvas/twill, and sweaters. The pumic stones act a brushing action on the
garment fabric surface. A fading effect may be developed on the garment by acid wash technique.
The acid washing process was created in Italy and patented in 1986. Garments made from heavy jeans
and denim fabrics, course canvas, sweaters, and thick twill, etc. are washed by applying the acid wash
technique. By applying the acid wash technique, an irregular pattern fading effect is produced in the
garments, where the effects are more pronounced than stone wash. Acid wash is a very dirty process
due to the widespread use of pumice stone.
Acid Washed Shirt Acid Washed Jeans
Objectives:
1. To Learn about acid wash
2. To learn about acid washing process of garments
3. To create irregular fading effects on the garments surface
4. To get vintage look
5. To fulfill the buyer washing standard
6. To increase rubbing fastness
7. To improve softness
Process Flow Chart Of Acid Wash:
Garments loading in machine
↓
De-size
↓
Extracting the garments
↓
Drying
↓
Soaking of pumice stone
↓
Damp pumice stone
3. ↓
Neutralization the garments
↓
Softening
↓
Extracting the garments
↓
Drying
Description:
Working procedure of acid washing:
1. Garments loading in the machine:
It is the first process of the acid wash. The required amount of clothing is loaded in the machine here
for de-sizing the garments.
2. De-size:
The garments are de-sized here by using detergent and de-sizing agent. The required amount of de-
sizing agent should be applied here by following M: L ratio. Here, sometimes needed 50-60° C
temperature depends on the shade. De-size should be done at least 15-20minutes.
3. Extracting the garments:
After completing the desizing process, the garments are squeezed here by using the hydro-extractor
machine and send to the drying section.
4. Drying:
Here the extracted garments are dried by using a gas dryer or steam dryer depending on the shade. It
should be noted here that, the gas dryer is used for reddish shade and the steam dryer is used for bluish
shade.
5. Soaking of pumice stone:
The fresh pumice stones are soaked here at room temperature for 10minutes by shuffling using
Potassium permanganate (KMnO4) and Phosphoric acid (H3PO4) containing the liquor ratio 1:2.
Pumice stones are naturally perforated and should pick up the solution very quickly.
6. Damp pumice stone:
After the required soaking of pumice stone, the completely dried de-sized garments are treated in the
machine with damp pumice stones at room temperature for 15 minutes (depending on the shade).
After completing this process, garments are unloaded from the machine and loaded in another
washing machine for neutralized the garments.
7. Neutralization of the garments:
After completing the damp pumice stone process, the garments must be neutralized here by using
Sodium meta-bisulfite (Na2S2O3) containing the liquor ratio (M: L) for 5minutes (depending on the
shade).
8. Softening:
Here the garments are producing the too soft effect by using softening chemical containing liquor
ratio (M: L). After completing this process, garments are unloaded from the machine.
9. Extracting the garments:
Here the acid-washed garments are extracted and send to the drying section.
4. 10. Drying:
Finally, the garments are drying here by using a gas dryer or steam dryer depending on the shade.
Limitation of acid washing:
Due to high abrasion between fabric and stones, heavy fabric is required to create random effect.
The major cause is residual manganese due to incomplete neutralization, washing or rinsing.
Indigo dyed denim has a tendency to yellow after random washing.
Conclusion:
After doing this experiment we have learnt about acid wash and the process of acid washing of
garments. This will be helpful to all textile engineers. Lots of thanks to our honourable teacher.