Yaa Uv Protection For Summertime Article Of Apparel Using Dark-Green Technique
Friday, 14 December 2018
Edit
UV Protection for Summer Wear Using Green Technique
Mr. M.Ponmaniselvam
M.Tech, Dept of Textile Chemistry
SSM College of Engineering
Komarapalayam - 638 183, India.
Email: ponmaniselvam20@gmail.com &
Mrs. N.Vaneeswari
Asst. Professor, Dept of Textile Chemistry
SSM College of Engineering
Komarapalayam - 638 183, India.
M.Tech, Dept of Textile Chemistry
SSM College of Engineering
Komarapalayam - 638 183, India.
Email: ponmaniselvam20@gmail.com &
Mrs. N.Vaneeswari
Asst. Professor, Dept of Textile Chemistry
SSM College of Engineering
Komarapalayam - 638 183, India.
Abstract
Body armour technologists over the twelvemonth are seeking to develop protective systems, particularly the harmful effects of UV radiations tin live substantially alleviated yesteryear wearing heavy weight garments or yesteryear using Sun creams. However, these materials are really expensive too conduct keep surely weight constraints. Therefore, at that spot is a growing need inwards the marketplace for apparels that offers comfort too protection from UV-A too UV-B radiation. This written report aims to ascertain the ultraviolet rays’ protection might to the stuff too focuses on the UV transmission of cotton wool fabric, commonly used textile summertime amongst application of UV absorbers using herbal extracts from Green tea, Chamomile, too Beetroot.
The UPF (Ultraviolet Protection Factor) of fabrics are determined yesteryear using UV-VIS spectrophotometrically for untreated greyness stuff too UV absorbers treated fabrics. As a result, UV absorbers treated fabrics conduct keep skilful UV protection. Based on result, best herbal extract approach was used to impart UPF of lightweight knitwear fabrics conduct keep been suggested against UV radiation.
The UPF (Ultraviolet Protection Factor) of fabrics are determined yesteryear using UV-VIS spectrophotometrically for untreated greyness stuff too UV absorbers treated fabrics. As a result, UV absorbers treated fabrics conduct keep skilful UV protection. Based on result, best herbal extract approach was used to impart UPF of lightweight knitwear fabrics conduct keep been suggested against UV radiation.
Introduction
UV protective garments developed yesteryear using the combined theories too concepts of alternate medical concepts conduct keep immense medical value too it is a genuine response to pollution too artificial textiles. While evolution such form of fabric, all stages of processing are done inwards eco-friendly agency for natural UV absorber finishes. It too safeguards the environment, prevents pollution too promotes eco-friendly textiles to ensure that attain to private too to majority too generate truthful awareness.
The fabrics tin live used which naturally has anti-ultraviolet protection to some extent. The natural sources which conduct keep high antioxidant content offering skilful UV protection. In that category, 3 natural sources are selected which conduct keep combined resultant of colors too skilful fragrance.
It is known that ultraviolet radiations is harmful to human. The ultraviolet low-cal is electromagnetic radiations amongst a wavelength shorter than that of visible light, but longer than x-rays, inwards the make 10nm to 400nm, too energies from 3 eV to 124eV. It is so named, because the spectrum consists of electromagnetic waves amongst frequencies higher than those that humans set equally the color violet.
UV protective garments developed yesteryear using the combined theories too concepts of alternate medical concepts conduct keep immense medical value too it is a genuine response to pollution too artificial textiles. While evolution such form of fabric, all stages of processing are done inwards eco-friendly agency for natural UV absorber finishes. It too safeguards the environment, prevents pollution too promotes eco-friendly textiles to ensure that attain to private too to majority too generate truthful awareness.
The fabrics tin live used which naturally has anti-ultraviolet protection to some extent. The natural sources which conduct keep high antioxidant content offering skilful UV protection. In that category, 3 natural sources are selected which conduct keep combined resultant of colors too skilful fragrance.
It is known that ultraviolet radiations is harmful to human. The ultraviolet low-cal is electromagnetic radiations amongst a wavelength shorter than that of visible light, but longer than x-rays, inwards the make 10nm to 400nm, too energies from 3 eV to 124eV. It is so named, because the spectrum consists of electromagnetic waves amongst frequencies higher than those that humans set equally the color violet.
Methodology
Identification of UV Absorber
↓
Padding technique
↓
Extraction
↓
Tests
↓
UPF examination – (untreated, treated fabric)
Identification of UV Absorber
↓
Padding technique
↓
Extraction
↓
Tests
↓
UPF examination – (untreated, treated fabric)
Selection of Natural UV Absorber
Green tea
Fig: Green Tea |
Family : Sinensis
Parts used : Leaves
Source
It is a large shrub amongst white flowers too is indigenous to Asia too China, but commercially grown inwards Africa, Srilanka, Malaysia too Indonesia.
Composition
The tannins interact amongst proteins too are astringent too too conduct keep antioxidant activity. One of the polyphenols inwards greenish tea – epigallocatechin galate (EGCG) is idea to live 200 times to a greater extent than powerful than Vitamin E for neutralizing complimentary radicals. It contains caffeine equally good equally triterpene saponins, carotenoids too non-protein amino acids (theanine, 2-amino-6-ethylamidoadipinic acid).
Epigallocatechin galate (EGCG) Properties
- EGCG is a type of catechin
- Found inwards tea too other plants
- It is a powerful antioxidant
- It inhibits the growth of cancer cells
- It has been effective inwards lowering LDL cholesterol levels
- It too inhibits the abnormal formation of blood clots.
Fig: Chemical construction of Epigallocatechin galate |
Fig: Beetroot |
Family : Sinensis
Parts used : Vegetable
Source too description
The carmine beet, commonly known equally garden beet, is a juicy origin vegetable. It is distinguished yesteryear its private flavor. It is to a greater extent than colorful than other origin vegetables. Beets conduct keep several varieties, which are grouped according to their shapes. They are flat, brusk overstep shaped, deep oblate to circular , globular to oval, too one-half long. The 2 varieties, around commonly grown inwards Republic of Republic of India are crimson basis too Detroit nighttime red, both belonging to the globular to oval group.
Composition
It has comprise betacyanin too diverse other types of nutrition such equally vitamins, minerals, iron, zinc, calcium, sodium, carbohydrates, proteins, folacin, niacin too more.
Betacyanin properties
- Betacyanin is the paint that gives beets their rich purple-crimson colour.
- It is a powerful anti-oxidant
- It is used equally a natural nutrient dye
- It is a powerful cancer-fighting agent
- It tin increase the oxygen-carrying might of the blood yesteryear upward to 400 percent.
- They tending inwards normalizing blood pressure.
Fig: Chemical construction of betacyanin |
Fig: Chamomile |
Family : N.O. sunflower family
Parts used : Flower
Source too description
The constitute produces a round, furrowed, too branched stalk which grows i to 2 feet inwards height. The leaves are pale green, incised, too sessile, amongst thread- shaped leaflets. The blossom heads consists of yellowish disk flowers too white petal-shaped ray flowers that are bent downward to brand the disk flowers to a greater extent than prominent role is the flower.
Composition
It has contained Flavonoids, coumarins, essential, oils too polysaccharides are feature chemical compound inwards the chemic composition of chamomile.
Flavonoid properties
1. Flavonoids are the around of import constitute pigments for blossom coloration.
2. It produces yellowish or carmine amongst bluish pigmentation inwards petals designed to attract pollination animals.
3. Also helps inwards next
- Anti-oxidant activities
- Anti-allergic activities
- Anti-inflammatory activities
- Anti-microbial activities
- Anti-cancer activities
Fig: Chemical construction of Flavonoid |
- About 100 grams of each i of greenish tea leaves, beetroot, too chamomile flowers are taken separately.
- 250ml of H2O is taken (approximately twice the amount of material)
- Boiled for xv minutes till it reaches the boiling temperature.
- It’s too so filtered too the extract is taken out separately.
Padding is a method adopted to apply the herbal extracts onto the stuff too give them the required properties. Padding mangle is used for this process.
Testing Instrument
- UV transmittance analyzer
- UV-visible spectrophotometer (or) spectroradiometer
- These conduct keep occupation of flash xenon lamp, it has provided to live the best alternative for reproduction of natural sunlight.
- This touchstone examination method AATCC 183:2004 is used to create upward one's heed the ultraviolet radiations blocked or transmitted yesteryear textile fabrics intended to live used for UV protection.
- This method provides procedures for mensuration this stuff belongings amongst specimen inwards either the dry out or moisture states.
S.No. | Fabric Particulars | Data |
1. | Type of stuff | Knitted |
2. | Structure of stuff | Single jersey or Plain knit |
3. | Yarn count | 22’s CB (100% Organic cotton) |
4. | Wales per inch | 27 |
5. | Course per inch | 52 |
6. | 160 |
The simplest too the around widely used weft knit stuff is unmarried jersey or apparently knit fabric. It contains of aspect upward loop stitches only.
Fig: Plain knit stuff structure |
- Stretchable
- Absorbent
- Light inwards weight
- Figure – hugging all the same comfortable
- Wrinkle resistant
- Recover 40% afterwards stretching
- The thickness of the apparently knit construction commonly equal to 2 times the diameter of the yarn.
- Finally the apparently knit fabrics conduct keep to a greater extent than width wise stretch might than length wise. So the apparently knit fabrics are widely used for underwear, gloves, hosiery, sweaters too summertime have on applications.
In this study, the UV transmission of cotton wool fabrics using natural sources was investigated. The untreated fabrics (woven/knitted) conduct keep high UV transmission and, therefore, petty protection. However, when treated amongst natural agents, the fabrics could furnish ameliorate protection than greyness fabrics. From the 3 sources identified, the greenish tea extracts offering skilful protection, compared to others. Chamomile stands 2nd inwards the protection level; this inwards improver gives fragrance complete to the fabric, thereby used inwards garments. Beetroot offers to the lowest degree protection giving a nighttime shade suitable for domicile textile products.
Bibliography
- Joshi M., G.V.R. Reddy, “UV Protection Textiles” – options too opportunities”, Asian Dyer. 2005 (9-10) 76-81.
- Dayal A., Aggarwal A.K., “Textiles too UV Protection”, Asian Textile Journal 1998 (9) 62-68
- Rupp J., Bohringer A., Yonenaga A., Hilden J., “Textiles for protection Against Harmful Ultraviolet Radiation”, International Textile Bulletin 2001 (6) 8-20