This document discusses nonwovens used as medical textiles. It begins by introducing how nonwovens were used during World War II for their barrier properties and disposability. It then outlines various applications of nonwovens in the medical field such as bandages, surgical clothing, and replacing organs. The document discusses materials, manufacturing processes like spunbonding and meltblowing, post treatments, and concludes that demand for medical nonwovens will continue growing.
Needle punch is the second-largest market segment in terms of capacity after the spunbond process segment. It is a continuously growing market with new opportunities and growing demands in its core applications like automotive, geotextiles, filtration, and home products.
For more information log on to www.ategroup.com.
Textile fabric may be define as an assembly of fiber, yarn or combination of these. There are several ways to manufacture a fabric.To produce woven fabric yarn preparation is essential.Good preparation means good weaving,Good weaving =Quality fabric.
Needle punch is the second-largest market segment in terms of capacity after the spunbond process segment. It is a continuously growing market with new opportunities and growing demands in its core applications like automotive, geotextiles, filtration, and home products.
For more information log on to www.ategroup.com.
Textile fabric may be define as an assembly of fiber, yarn or combination of these. There are several ways to manufacture a fabric.To produce woven fabric yarn preparation is essential.Good preparation means good weaving,Good weaving =Quality fabric.
An experimental sample about tear strength testing of a fabric by Elmendorf's Tear Tester. This will helpful for the Textile Engineering student to know the measuring process of tear strength of a fabric.
presented " Textiles in Automobiles" in Faculty Development program organized by Department of Textile Engineering, Kumaraguru College of Technology Coimbatore on 25-11-2015.
Warp knitting and crochet machines are used to produce a huge range of warp knitted fabrics (warp knits) for clothing, household textiles and technical textiles. Warp knitting machines are either single needle bar machines or double needlebar machines and are available in a wide range of gauges and widths, Modern machines are electronically controlled in terms of patterning, beam let-off and fabric take-up.
An experimental sample about tear strength testing of a fabric by Elmendorf's Tear Tester. This will helpful for the Textile Engineering student to know the measuring process of tear strength of a fabric.
presented " Textiles in Automobiles" in Faculty Development program organized by Department of Textile Engineering, Kumaraguru College of Technology Coimbatore on 25-11-2015.
Warp knitting and crochet machines are used to produce a huge range of warp knitted fabrics (warp knits) for clothing, household textiles and technical textiles. Warp knitting machines are either single needle bar machines or double needlebar machines and are available in a wide range of gauges and widths, Modern machines are electronically controlled in terms of patterning, beam let-off and fabric take-up.
Medical Textile: - Medical textile are products & construction used for medical & biological application and are used for first-aid, clinical & hygienic purposes.
An important and growing part of the textile industry is the medical and related healthcare and hygiene sector. The extent of the growth is due to constant improvements and innovations in both textile technology and medical procedures.
Do you know that Nonwoven fabrics have reported one of the highest growth rates in the textile fields in recent times? Find out more interesting facts about nonwovens in this new article
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Nonwovens as medical textiles (abhinav jagetiya)
1. M.L.V. Govt. Textile & Engineering College
A
Seminar
on
NONWOVENS AS MEDICAL TEXTILES
Submitted To :- Submitted By :-
Department of Textile Abhinav Jagetiya
Technology VII Sem , TT
On 7 AUG.2012
09EMBTT002
2. Contents
Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
3. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
4. Introduction
The use of nonwovens in medical arena goes back to the time of
Second World War when need for new and large volumes of
medical product had arisen. In several reports published,
nonwovens were regarded as the most effective materials for
bacterial barriers.
Nonwovens give a performance much better than woven in terms
of cost-effectiveness, disposability etc. In hospitals, cross-
contamination is always one of the biggest problems which were
attributed largely to re-using of woven gowns, masks and other
similar articles which would get contaminated and spread the
germs. Nonwovens are more cost effective alternative which are
disposable and reduced the problem of cross-contamination
greatly.
5. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
6. Why nonwoven for medical products????
The properties which make nonwovens the best choice for medical
products are:
• Excellent barrier properties
• Superior efficiency
• Better performance (comfort, porosity, thickness and weight, water
vapor transmission, air permeability etc.)
• Increased protection for user (better physical properties like
tensile, tear resistance, abrasion resistance etc.)
• Easy to sterlize.
• Economical manufacturing process.
7. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical
field
Material used
Manufacturing processes
Post processes
Conclusion
References
8. Applications of nonwovens in medical textiles
Bandages
Simple bandages
Light support bandages
Orthopedic bandages
Cotton pads, wound dressings and adhesive tapes
10. Contd.
Disposable surgical coverings:
• Blankets
• Floor coverings of hospitals (anti-bacterial)
• Cloths/ wipes
Drapes Bed coverings
11. Contd.
Nonwovens are used to replace or repair different
organs, bones like artificial kidney, liver, heart,
mechanical lung, ligaments, vascular grafts, heart
valves, blood vessels, artificial skins, nasal strips
etc.
12. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
13. Material used in medical nonwoven
The fibers used in medical nonwovens can be classified in natural
and synthetic categories.
Natural fibers:
• Wood pulp
• Cotton
Synthetic fibers:
• Polypropylene
• Polyester
• Polyamide
• Rayons
14. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
15. Manufacturing Process
Various techniques are used for manufacturing of nonwovens but
some of the techniques that are used specially for the Medical
applications point of view are as follows:
Spun bonding
Spunlacing
Meltblowing
Needle punching
Wet laid
Dry laid
16. Spun bonding
Spun bonding is used when more strong webs are needed.
Webs produced are soft, porous and dimensionally stable.
Spun bonding is mostly used for products like :-
Face masks
Head wears
Shoe covers
Bed linens and
Disposable clothing .
19. Characteristics and Properties of
Spun Bonded Fabrics
The characteristics of spun bonded web are:-
• The fibrous structure is random.
• Opacity/area of the web is high.
• The web weight range between 10- 200 g/m2.
• Typical web thickness lies between 0.2- 1.5 mm.
• Good fray and crease resistance.
• High tear strength.
• High strength compared to other nonwoven, woven, and knitted
structures.
20. Application
In medical applications many traditional materials have been replaced by
high performance spun bonded webs. The particular properties of spun
bonded webs, which are responsible for medical use, are:
Breathability
Resistance to fluid penetration
Lint free structure
Sterilizability and,
Impermeability to bacteria.
Medical applications include: disposable operating room gowns, shoe
covers and sterilizable packaging.
21. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
22. Post processes
Post process for medical nonwovens is to give the product a
suitable finish for its specific end use. The different types of
finishes used in medical nonwovens are:
• Soil Release Agents: For bed linens, gowns and apparel which are
designed for multiple usages. May also be used on curtains,
blankets etc.
• Softeners: To make the webs feel soft against the skin. May be
used for disposable pillows, bed sheets etc.
• Water repellents: Used for bed sheets for kids, barrier apparel etc.
• Flame Retardant Finishes: Used for bed linens, curtains, apparel,
lab coats etc.
• Antibacterial Finish: Very commonly applied to gauzes, dressings
and sutures. The most popular one is silver nanocrystal finish.
23. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References
24. Conclusion
Medical textile market is totally saturated with nonwoven products
today. Nonwovens, because of their easily modifiable properties
and excellent performance have become indispensable in this field.
Medical and Hygiene sectors combined together consume more
than 90% of the total nonwoven production in US. On the other
hand, in developing countries of Asia, Africa and South America,
demand for medical nonwoven is increasing significantly as a
result of a fast-growing, young, health-conscious population. In
future, the demand of nonwovens in medical field is expected to
grow steadily.
25. Introduction
Why nonwoven for medical products????
Applications of nonwovens in medical field
Material used
Manufacturing processes
Post processes
Conclusion
References