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JAWAHARLAL NEHRU GOVERNMENT
ENGINEERING COLLEGE
DEPARTMENT OF TEXTILE ENGINEERING
PROJECT PRESENTATION ON:
DEVELOPMENT OF UV PROTECTIVE CELLULOSE
BASED CLOTHING using GRAPHENE OXIDE
Submitted by:
Aditya Chauhan (17BT010705)
Sakshi Sharma (17BT010726)
Shveta Thakur (17BT010727)
Project guide:
Er. Amit Kumar
(Assistant professor)
(JNGEC)
1
CONTENT:
• Basic details
• Specific Introduction and Details of project work.
• Project aim
• Objective Function
• Work plan
• Reference
2
UV PROTECTION:
• Owing to depletion of the ozone in the Earth's atmosphere, there
is progressive increase in ultraviolet radiation on human skin.
• UV radiation from the Sun or artificial source causes
photodermatosis, acceleration of skin aging and changes to the
functioning of immune system.
• Making textile which can absorb or scatter UV radiation can be a
boon for human existence.
• The UV-protective properties of cellulose can be improved by UV
absorbers.
3
UV SHIELDING using “GO” :
• Recently, Moraes et al. reported a UV-shielding composite film based on
graphene oxide (GO) and cellulos acetate (CA).
• GO (graphene oxide) is a monolayered structure material which has
superior UV absorbing property due to its honeycomb structure.
• It possesses good absorbance of UV light at wavelengths between 250nm
and 350nm.
• Graphene's optical nanomaterials for optoelectronic and nanophotonic
owing to their unique optical properties.
• Graphene have excellent flexibility and mechanical strength. Thus,
graphene can be ideal for flexible UV photodetectors.
4
5
Why Cellulose based Fibre?
 Chemical modification of cellulose based fibre can be easily carried out due to the presence of
the three hydroxyl groups in each anhydroglucose unit.
 Cellulosic fibre can be directly used wherein the polymer chain will be attacked to make it
suitable for reacting directly, it can be grafted with monomer having a phase change polymer
chemically attached thereto.
6
Methods for formation of UV Protective
clothing:
1)Coating/Adsorption
2)Chemical Treatment
7
HOW UV PROTECTIVE MATERIAL WORK?
Most fabric that we wear are consist of loose
weave and visible light can penetrate through it
to our skin .
In UV protective clothing we make change in
weave to make special fabric that act as a
barrier
8
PROJECT AIM:
To prepare graphene yarn/fabric comprising
reduced graphene oxide and natural cellulose.
Checking resultant yarn's/fabric's
response to ultraviolet radiations.
9
PREVIOUS STUDY REVIEWS:
 The morphology of GO was investigated previously which showed a tendency to self
assemble and form multilayer sheet including wrinkles.
 Earlier studies reported sharp and bright diffraction spots for single layer of GO through
X ray diffraction which turned into ring patterns for polycrystalline aggregates.
 UV treatment of materials with GO results slightly yellowish but highly stable and
flexible film. Reduced GO in the cellulosic matrix is qualitatively confirmed by solid
colour change to black.
 Improvement in electrical conductivity is seen as the number of GO coating increased
owing to the presence of several oxygen containing group and intrinsic structural defect
10
WORK PLAN:
• Graphene oxide flakes is to be prepared from graphite by Hummers
method. Graphite powder immersed in conc. Sulphuric acid under an
ice bath, then adding chemicals like potassium permaganate.
• Incorporation of graphene oxide on cellulose can be done either by
dip coating or chemical reduction or both (under favorable
parameters).
• After GO coating, resulting sample is to be rinsed with DI water to
remove excess cross linking agents. Then drying the sample under
steam.
11
1. Neil G, Yen T, Leitch M, Wilson G, Brown E, Reddy C (2019) Alkenones as renewable phase change material. Renewable
Energy 134: 89-94.
2. Wu B, Liu Z, Jiang L, Zhou C, Lei Z (2017) Preparation and characterization of thermoplastic poly(urethane-urea) solid–solid
phase-change materials for thermal energy storage. Adv Polym Techno 37: 2997-3006
3. UV-Induced reduction of graphene oxide in cellulose nanofibril compositesY. B. Pottathara, abc S. Thomas, *b N.
Kalarikkal, b T. Griesser, d Y. Grohens, a V. Bobnar,e M. Finsˇgar, f V. Kokol *c and R. Kargl *cg
4. Han N , Li Z, Zhang X, Li J (2016) Synthesis and characterization of cellulose-g-polyoxyethylene (2) hexadecyl ether
solid–solid phase change materials. Cellulose 23: 1663–1674
REFERENCES:
12
DEVELOPMENT OF UV PROTECTIVE CELLULOSE BASED CLOTHING using GRAPHENE OXIDE

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DEVELOPMENT OF UV PROTECTIVE CELLULOSE BASED CLOTHING using GRAPHENE OXIDE

  • 1. JAWAHARLAL NEHRU GOVERNMENT ENGINEERING COLLEGE DEPARTMENT OF TEXTILE ENGINEERING PROJECT PRESENTATION ON: DEVELOPMENT OF UV PROTECTIVE CELLULOSE BASED CLOTHING using GRAPHENE OXIDE Submitted by: Aditya Chauhan (17BT010705) Sakshi Sharma (17BT010726) Shveta Thakur (17BT010727) Project guide: Er. Amit Kumar (Assistant professor) (JNGEC) 1
  • 2. CONTENT: • Basic details • Specific Introduction and Details of project work. • Project aim • Objective Function • Work plan • Reference 2
  • 3. UV PROTECTION: • Owing to depletion of the ozone in the Earth's atmosphere, there is progressive increase in ultraviolet radiation on human skin. • UV radiation from the Sun or artificial source causes photodermatosis, acceleration of skin aging and changes to the functioning of immune system. • Making textile which can absorb or scatter UV radiation can be a boon for human existence. • The UV-protective properties of cellulose can be improved by UV absorbers. 3
  • 4. UV SHIELDING using “GO” : • Recently, Moraes et al. reported a UV-shielding composite film based on graphene oxide (GO) and cellulos acetate (CA). • GO (graphene oxide) is a monolayered structure material which has superior UV absorbing property due to its honeycomb structure. • It possesses good absorbance of UV light at wavelengths between 250nm and 350nm. • Graphene's optical nanomaterials for optoelectronic and nanophotonic owing to their unique optical properties. • Graphene have excellent flexibility and mechanical strength. Thus, graphene can be ideal for flexible UV photodetectors. 4
  • 5. 5
  • 6. Why Cellulose based Fibre?  Chemical modification of cellulose based fibre can be easily carried out due to the presence of the three hydroxyl groups in each anhydroglucose unit.  Cellulosic fibre can be directly used wherein the polymer chain will be attacked to make it suitable for reacting directly, it can be grafted with monomer having a phase change polymer chemically attached thereto. 6
  • 7. Methods for formation of UV Protective clothing: 1)Coating/Adsorption 2)Chemical Treatment 7
  • 8. HOW UV PROTECTIVE MATERIAL WORK? Most fabric that we wear are consist of loose weave and visible light can penetrate through it to our skin . In UV protective clothing we make change in weave to make special fabric that act as a barrier 8
  • 9. PROJECT AIM: To prepare graphene yarn/fabric comprising reduced graphene oxide and natural cellulose. Checking resultant yarn's/fabric's response to ultraviolet radiations. 9
  • 10. PREVIOUS STUDY REVIEWS:  The morphology of GO was investigated previously which showed a tendency to self assemble and form multilayer sheet including wrinkles.  Earlier studies reported sharp and bright diffraction spots for single layer of GO through X ray diffraction which turned into ring patterns for polycrystalline aggregates.  UV treatment of materials with GO results slightly yellowish but highly stable and flexible film. Reduced GO in the cellulosic matrix is qualitatively confirmed by solid colour change to black.  Improvement in electrical conductivity is seen as the number of GO coating increased owing to the presence of several oxygen containing group and intrinsic structural defect 10
  • 11. WORK PLAN: • Graphene oxide flakes is to be prepared from graphite by Hummers method. Graphite powder immersed in conc. Sulphuric acid under an ice bath, then adding chemicals like potassium permaganate. • Incorporation of graphene oxide on cellulose can be done either by dip coating or chemical reduction or both (under favorable parameters). • After GO coating, resulting sample is to be rinsed with DI water to remove excess cross linking agents. Then drying the sample under steam. 11
  • 12. 1. Neil G, Yen T, Leitch M, Wilson G, Brown E, Reddy C (2019) Alkenones as renewable phase change material. Renewable Energy 134: 89-94. 2. Wu B, Liu Z, Jiang L, Zhou C, Lei Z (2017) Preparation and characterization of thermoplastic poly(urethane-urea) solid–solid phase-change materials for thermal energy storage. Adv Polym Techno 37: 2997-3006 3. UV-Induced reduction of graphene oxide in cellulose nanofibril compositesY. B. Pottathara, abc S. Thomas, *b N. Kalarikkal, b T. Griesser, d Y. Grohens, a V. Bobnar,e M. Finsˇgar, f V. Kokol *c and R. Kargl *cg 4. Han N , Li Z, Zhang X, Li J (2016) Synthesis and characterization of cellulose-g-polyoxyethylene (2) hexadecyl ether solid–solid phase change materials. Cellulose 23: 1663–1674 REFERENCES: 12