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Southeast UniversitySoutheast University

Department Of Textile EngineeringDepartment Of Textile EngineeringI/A 251252 Te!gaon Dha"a #angla$eI/A 251252 Te!gaon Dha"a #angla$eshsh

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Submitted By

%repare$ #y & 'a(a$ul )asan sheshir

ID& 2*1****+****,

1-th #at.het %ro.essing Te.hnology

Southeast University

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0otton

Molecular Structure:

It composed of linear macromolecules having in the chain at

least 85% by mass of acrylonitrile repeating units.

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%hysi.al %roperties&Luster: HighTenacity (strength):-

Dry: 3.0-5.0 g/d

Wet: 3.3-6.0 g/dResiliency: l!Density: ".5#-".56 g/c$%&isture a'srtin: "5-5*Di$ensinal sta'ility: +d

0hemi.al %roperties&

Resistance t acids: Da$age, !eaen i'ersResistance t alali: har$ul eectsResistance t rganic slents: High resistanceResistance t sunlight: 1rlnged e2sure !eaens i'ers

hrts4acets ants.

arets

Uses&

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Sil"

Molecular Structure

It irous "eratin mole.ules super.oil to form a very

stale left3han$e$ superheli.al motif to multimerise

forming filaments .onsisting of multiple .opies of the

"eratin monomer4

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%hysi.al %roperties&


Uses&

Tenacity: Strong linear eta3.onfiguration polymers67efle.t light& At many angles

'oisture regain& 1184Elasti.ity& 'o$erate to poor&9inear $ensity& 1 $enier .

Effect of acids: Degra$e$ more rea$ily than :oolEffect of alkalis : T o s:ell sil" filament 4Effe.t of mineral a.i$s& 7esistan.e ex.ept for sulfuri. a.i$Effect of sunlight: T he environment is not as goo$

Tiesormal $resses)igh fashion .lothesDress suits

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oolMolecular Structure

It has been estimated that wool contains more

than170 different proteins. These are not uniformly

distributed throughout the fiber; proteins of

different structures are located in specific regions.

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%roperties&

Uses&

Strength: ea"est4Elasticity: 25 to -* per.ent

Resilience: )igh Absorbency: Aout 2* per.entColor/Luster: Dull greyIt is light:eight an$ versatile4ool $oes not :rin"le easily4It is resistant to $irt an$ :ear an$ tear4

SweatersDressesCoatsSuitsJacketsPantsblanketsCarpets

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A.ryli.Molecular Structure

ier .ompose$ of linear ma.romole.ules having in the

.hain at least ,58 y mass of a.rylonitrile repeating

units4

%olya.rylonitrile A.ryli. .opolymers

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%roperties&

Uses&

'oisture regain& 145328 at ;58 Tena.ity&

$ry state< 5 gp$

:et statenit ?erseyS:eater #lan"ets

rin"le resistant fari.s4%ile an$ lee.e fari.s0arpets

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Aramid

Molecular Structure

ier .ompose$ of linear ma.romole.ules ma$e up of

aromati. groups !oine$ y ami$e or imi$e lin"ages at

least ,58 of the ami$e imi$e lin"ages4

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Uses&

Thermal expansion& 2 35 e3;/>Thermal .on$u.tivity& *4*5 3 *4*5 /m4>Spe.ifi. heat& 125* 3 2@** ?/"g4>

Density& 1-@* 3 1++* "g/m-

ri.tion .oeffi.ient& *4+ 3 *45ater asorption& -45 3 ;4587efra.tion in$ex& 14; 2

'e.hani.al %roperties

BoungCs mo$ulus& 5,*** 3 ,2*** 'paTensile strength& 2,** 3 -+** 'paElongation& -4- 3 -480ompressive strength& 1+ 3 +1* 'pa0reep strength& 252* 3 -*;* 'paatigue& 15* 3 2*** 'pa

Biel$ strength& 2,** 3 -+** '%a

lame3resistant .lothing)eat prote.tive .lothing an$ helmets)ot air filtration fari.sTires ne:ly as Sulfron sulfur mo$ifie$ T:aron6

7uer goo$s reinfor.ement

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Dept. of Textile Engineering


Sarker Md. Rafjan SaniID: 2010000400051

Batch: 13th –II

Introduce to myself

My selected topics is Chlorofber &Elastodiene.

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0hlorofier

Molecular Structure

ier .ompose$ of linear ma.romole.ules having in the.hain more than 5*8 y mass of vinyl .hlori$e or

vinyli$ene .hlori$e unites

Poly (Vinyl chloride)

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%roperties&

Uses&

9ong lasting antia.terial effe.tiveness ot :ash out4

An easy .are pro$u.t4.omfort F .oolness)eat regulation F moisture transfer goo$4

#e$$ing0hil$ .are arti.lesUn$er:ear

9ingerieSo."s)an$ "nitting yarn

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Elasto$iene

Molecular Structure

ier .ompose$ of natural or syntheti. polyisoprene orof one or more $ienes polymeri(e$ :ith or :ithout one

or more vinyl monomers

Natural polyisoprene

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%roperties&

Uses&

Stret.he$& 'ore than 5**8 :ithout rea"ingStronger F more $urale than ruer

9ight:eight soft smoothIt .omfort an$ fit prevents agging an$ sagging)eat3settaleDye ale7esistant to $eterioration y o$y oils perspirationArasion resistant

Availale in .lear an$ opaGue luster

Desire$ )osiery S:imsuits

Aeroi./exer.ise :ear S"i pants =olf !a."ets Disposale $iaper aist an$s#ra straps

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'elamine

Molecular Structure

ier .ompose$ of at least 5*8 y mass of .ross3lin"e$ma.romole.ules ma$e up of melamine methylol

poly.on$ensate

Melamine

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%roperties&

Uses&

Average Diameter& 15 HmAverage Denier& 24+ g/@***mSpe.ifi. =ravity& 14+Tensile Strength& -; "si

Tena.ity& 24* g/$en'o$ulus& 14*355 'si g/$enElongation at #rea"& 118'oisture 7egain 2-0 ;58 7)6& 58Shrin"age at 2**0 1hr exposure6& J18'aximum 0ontinuous Operating Temperature& 2**0

'elting Temperature& Does not melt or $rip7esistan.e to 'il$e: Aging an$ Sunlight& Ex.ellent7esistan.e to Solvents Al"alis& Ex.ellent

'attresses )ome urnishings / on:ovens

Spe.ialty flame resistant papersirefighting apparelEle.tri.al papersTransmission / fri.tion papersiltration me$iaEngineere$ materials / Short3fier .omposites

A$hesives / illers

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'o$a.ryli.

Molecular Structure

ier .ompose$ of linear ma.romole.ules having in the.hain at least 5*8 F less than ,58 y mass of

a.rylonitrile

Acrylic copolymers

If X = H & = !l" #oly $acrylonitrile or chloride

I X = = !l" #oly $acrylonitrile or vinylidene chloride

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Dept. of Textile Engineering


'ofayel (hmedID: 2010000400053

Batch: 13th –II

Introduce to myself

My selected topics is Polyamide (Nylon) & Polyester

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%olyami$e ylon6

Molecular Structure


.hain re.urring ami$e lin"ages at least ,58 of :hi.hare !oine$ to aliphati. .yu.loaliphati. units.

Polyhexamethylene adipamide (Nylon 6,6)

Polycaproamide (Nylon

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%roperties&

Uses&

'oisture Asorption& +423+458Spe.ifi. =ravity& 141+7esilien.e& Ex.ellent4

Arasion 7esistan.e& Ex.ellent4Effe.ts of A.i$s Al"alis an$ Solvents& 7esistant to :ea" a.i$s

ut $e.omposes in strong

mineral a.i$s4Dye 'etho$s& A.i$K some solution $ye$47esistan.e to 'il$e: Aging Sunlight& Ex.ellent resistan.e to mil$e:

an$ aging4 %rolonge$ sunlight

.an .ause $egra$ation40olor 7etention& Lery goo$4Stain 7esistan.e& %oor 5th generation very goo$64Stains/Soils Attra.te$ to ier& A.i$ $yes ex.ept for 5th generation4'elt %oint & Type;3+-5M K Type; ;3+@*M

#louses Dressesoun$ation garments Un$er:ear7ain.oatsS:im:ear

0y.le :ear

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%olyester

Molecular Structure


.hain at least ,58 y mass of an ester of a $iol Fterephthali. a.i$4

Poly(ethylene terephthalater

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%roperties&

Uses&

Denier& *45 15Tena.ity & $ry -45 3 4* & :et -45 3 4*Elongation at rea" & $ry 15 3 +5 & :et 15 +58

'oisture 7egain& *4+Spe.ifi. =ravity& 14-; 3 14+18Elasti. 7e.overy & N28

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%olyethylene

Molecular Structure

Polyethylene

ier .ompose$ of linear ma.romole.ules of

unsustitute$ saturate$ aliphati. hy$ro.arons

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Uses&

State at 2*M0& flexileTemperature3$epen$ent form .hanges& insignifi.ant from 5M0

is @*M0

Spe.ifi. :eight at 2*M0& approx4 *4@2Shore har$ness at 2*M0& approx4 @*Tear strength at 2*M0& approx4 1* /mm2Elongation at rea" at 2*M0& approx4 5**8ater asorption& tra.es


7esistant against& on3oxi$i(ing al"alis organi. solvents

ex.l4 .hlorinate$on3resistant against& Oxi$i(ing a.i$s oils fats .hlorinate$

hy$ro.arons

'e$i.al implants4 0ale an$ marine ropes4 Sail .loth4 Sports eGuipment4

ish netting4

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%olypropylene

Molecular Structure

ier .ompose$ of linear ma.romole.ules ma$e up of

saturate$ aliphati. hy$ro.aron units in :hi.h one

.aron atom in t:o .arries a methyl si$e groupgenerally an isota.ti. .onfiguration F :ithout further

sustitution4

Polypropylene

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%roperties&

Uses&

'oisture 7egain& J *4187efra.tive In$ex& 14+@

Thermal 0on$u.tivity& *4@5#tu3in/ft 4hr4

0oeffi.ient of linear thermal expansion& +4*x1*

/

)eat of fusion& 21 .al/gSpe.ifi. heat& *4+; .al/g4.Density of 'elt at 1,*

.& *4;@ g/..)eat of 0omustion& 1@+** #tu/lDe.omposition temperature range& -2,3+1*

0

Diele.tri. .onstant *41 ')(6& 2425Dissipation fa.tor *41 ')(6& J *4***2

Spe.ifi. volume resistively& P 1* 4 0m

Top sheet .oversto."6 A.Guisition an$/or transport or $istriution layer Asorent .ore #a."sheet #arrier leg .uffs Elastomeri. materials )ot melt glues

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LinylalMolecular Structure

9inear ma.romole.ules if poly vinyl al.ohol6 :ith

$ifferent levels of a..etali(ation

Acetalized poly (vinyl alcohol)

When n>0

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Elastomultiester Molecular Structure

ier forme$ y intera.tion of t:o or more .hemi.ally

$istin.t linear ma.romole.ules in t:o or more $istin.t

phases of :hi.h none ex.ee$s ,58 y mass6 F half

times its original length Frelease$ re.overs rapi$ly F

sustantially to its initial length4

Example of physical arrangement:

Part A and B consist of different macromolecules with ester groups

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Elastolefin

Molecular Structure

iber composed of at least )5% $by mass ofmacromolecules partially cross*lin+ed, made up from

ethylene & at least one other olefin & -hich, -hen stretched

to one & a half its original length & released, recovers rapidly

& substantially to its original length.

Elastolefin

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lurofier

Molecular Structure

ier .ompose$ of linear ma.romole.ules ma$e fromaliphati. fluoro.aron monomers4

Polytetrafluorethylene

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%olyimi$e

Molecular Structure

ier of syntheti. linear ma.romole.ules having in the.hain re.urring imi$e units

Polyimide

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%olyla.ti$e

Molecular Structure

ier forme$ of linear ma.romole.ules having in the

.hain at least ,58 y mass6 of la.ti. a.i$ ester unites

$erive$ from naturally o..urring sugars F :hi.h has a

melting temperature of at least 1-5*0

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Elastane

Molecular Structure

ier .ompose$ of at least ,58 y mass of a segmente$

polyurethane F :hi.h if stret.he$ to three times its

uns.rat.he$ length rapi$ly reverts sustantially to the

uns.rat.he$ length :hen the tension is remove$.

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Thanks To All

Documents

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