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ABSTRACT:

NONWOVEN fabric is a fabric-like material made from long fibres, bonded together by chemical, mechanical, thermal or solvent treatment. The term is used in the textile manufacturing industry to denote fabrics, such as felt, which are neither woven nor knitted. NONWOVEN materials typically lack strength unless reinforced by a backing. In recent years, NONWOVENS have become an alternative to polyurethane foam. Non-woven fabric is manufactured by putting small fibres together in…



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Textile Learner

Waterproofing:
“Waterproofing is nothing but preventing the passage of both air and water through a fabric.”

Purpose of Water Proofing:
For certain uses such as Tarpaulin, Umbrella cloth, Rain coat fabrics etc., it is required to give this type of finish as these type of fabrics are generally used against the air and water in the normal life. So they should have some property to prevent both air and water passing through them.

This finish makes the wearer feel uneasy and uncomfortable as…



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Air Jet Loom:
The air jet weaving machine combines high performance with low manufacturing requirements. It has an extremely high insertion rate. Due to its exceptional performance, air jet machines are used primarily for the economical production of standard fabrics, covering a wide range of styles. Meanwhile, more and more niches and special fabric segments are covered; heavy cotton fabrics such as denim, terry fabrics, glass fabrics, etc.

Air Jet Weaving Machine

Main Parts of Air…



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Faults in the Knitted Fabrics:

A defect of the knitted fabric is an abnormality which spoils the aesthetics i.e. the clean & uniform appearance of the fabric & effects the performance parameters, like; dimensional stability etc.

There are various types of defects which occur in the Knitted fabrics of all types caused by a variety of reasons. The same type of defects may occur in the fabric due to a variety of different causes e.g. Drop Stitches, Spirality etc.

Category…



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Moth Proofing:

“Moth proofing is a finishing which is given to prevent the growth of moth.” It is one kind of special finishing process of textile.

It is a chemical and property giving finish.

Purpose of Moth Proofing:
It is mainly carried out on wool fabrics as the keratin molecules are consumed by moths as food.

Since woolen fabrics are costlier, they have to be protected from moth.

Moth is a small insect that feeds on substances like keratin and fibroin and so animal fibres are…



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Shrinkage:
Shrinkage is the process in which a fabric becomes smaller than its original size, usually through the process of laundry. Cotton fabric suffers from two main disadvantages of shrinking and creasing during subsequent washing.

There are two types of shrinkage occurs during washing

1) Length wise
2) Width wise

Cause :
Due to high tension during preparation of fabric which result in excess stretch in yarn. This type of shrinkage is known as London shrinkage. Due to swelling…



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Working Procedure of Sample Dyeing (Knit Dyeing Section):

Normally a textile dyeing mill get offer through merchandiser. Merchandising department of dyeing mill send the swatch to the central dyeing lab. Then the lab manager analysis the color of swatch with the help of spectrophotometer. After shade matching three sample are submitted to the buyer or buyer agents. If sample is approved by the buyer then this sample recipe are sent to floor for bulk production. The dyeing master dyeing the…



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Color Fastness to Washing:

Color fatness to washing means, A specimen of the textile, in contact with one or two specified adjacent fabrics, is mechanically agitated under described conditions of time and temperature in a soap solution, then rinsed and dried. The change in color of the specimen and the staining of the adjacent fabric are assessed with the grey scales.

In my personal experience, in case of fastness test color fastness to washing is the first and most important requirements…



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Screen Printing Vs Digital Printing

-By

Chintan. R. Madhu

Lecturer

R.C. Technical Institute, Sola,

Ahmedabad, Gujarat, India.

E-mail: madhu_chintan@gtu.edu.in

Introduction:

There are so many innovations in textile printing methods since block printing to rotary screen printing machine, and dry heat transfer printing. The global market of textile printing is smaller and more dependent on fashion. Market of textile printing involves rotary screen printing (about…



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