Welcome. -Tow Different Aspects Of Antimicrobial Finish: IntroductionIntroduction.
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Transcript of Welcome. -Tow Different Aspects Of Antimicrobial Finish: IntroductionIntroduction.
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Welcome
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MANSOURA UNIVERSITY FACULTY OF APPLIED ARTS
NAME: HEBA IBRAHEM EL.MAHDYDEPARTMENT: PRINTING OF TEXTILE
4TH YEAR
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Antimicrobial Finish
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MAIN POINTS:
-Introduction Of Antimicrobial Finish-Properties Of Antimicrobial Finish-Mechanisms Of Antimicrobial Finish-Chemistry Of Antimicrobial Finish-Evaluation Of Antimicrobial Finish-Troubleshooting Of Antimicrobial Finish-conclusion
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-Tow Different Aspects Of Antimicrobial Finish:
Introduction
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The Most Trouble
Causing Organisms
Fungi Bacteria
Fungi Causing Discolorati
on – Colored Stains-Fiber
Damage
Bacteria Causing Some Fiber Damage –Unpleasant Odour-Slick,Slimy Feel
cotton
wool
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Fungi
Bacteria
Fungi
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Antimicrobial Finish Are
Important For
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-Properties Of Antimicrobial Finish
Ideal Condition For Growth Microbes (36-40c) (PH 5-9)
Antimicrobial Finish Must Be:
Kill or Stop Growth Microbes quike reactive Safe For Manufacturer And ConsumerEasily To ApplyCompatible With Other Finishes Wear Comfort Low Cost
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Mechanisms Of Antimicrobial Finish:
Controlled Release
Mechanism
But
It Will Be Effective Against Desirable Microbes On Fiber Surface Or In Surrounding Environment
Reservoir Will Be Depleted
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Chemically Bound To Fiber surface:
No Bad Effect In Surrounding Environment Desirable Microbes
More Durable
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Chemistry Of Antimicrobial Finish
Antimicrobial Finish -Controlled Release
Prevented products such as copper naphthenate
Because Of Their Toxicity
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Other Antimicrobial limited products
Because Of Their Application And Durability
problems
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Commonly name
triclosan
One Of The Most Widely used
Antimicrobial products is
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Triclosan Using
Toothpastes, Liquid Hand Soap And mouth washes
Butvery low
water solubility
Need Binder And dispersing
agents
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Antimicrobial Finish for Chemically Bound
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Chitosan
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Chitosan is
Inexpensivenatural waste
non toxic
ApplicationsMicro encapsulation –reactive bonding to cellulose –cross linking
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-Evaluation Of Antimicrobial Finish:
The agar based zone test
Bacteria counting test
Rapid test by Adenosine triphosphate ATP
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-Troubleshooting Of Antimicrobial Finish
Stiff hand
Color change Destroyed desirable microbes
Environmental problems
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conclusionIntroduction Of Antimicrobial Finish-Properties Of Antimicrobial Finish-Mechanisms Of Antimicrobial Finish-Chemistry Of Antimicrobial Finish-Evaluation Of Antimicrobial Finish-Troubleshooting Of Antimicrobial Finish -New Infomations
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ANY
QUESTIONS?
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