product analysis .pptx

7/24/2019 PRODUCT ANALYSIS .pptx

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PRODUCT ANALYSIS


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Major component of rubber

products

Rubber (Po!mer"

O# ( past#c#$er"

Carbon bac%Inor&an#c 'ers

Oter rubber add#t#)es

#%e ant#o*#dant+ acceerator+

supur etc


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Need for Product ana!s#s

Product ana!s#s can be used for rout#ne,ua#t! contro as -e as de)eopment of

ne- products.

Po!mer t!pe

Po!mer content/#er contentCarbon bac%

Past#c#$er


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Chemical Analysis /Instrumental Analysis

Cem#ca ana!s#s #s t#me consum#n&.

Modern #nstruments can pro)#de ,u#c%+ e0c#entand accurate #nformat#on.


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Chemical Analysis

Cem#ca ana!s#s )es some #nformat#on about t!pe

of po!mer used+ ,uant#t! of 'er and ,uant#t! of

past#c#serused #n rubber products.


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Instrumenta Ana!s#s

FTIR FOURIER TRASFORM INFRARED SPECTROMETER

TGA THERMOGRAIMETRIC

ANA!"#ER


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Cem#ca MetodBurning TestDisintegration in Conc.HNO3

Beilstein TestElemental Analysis

Nitrogen

Sulphur Halogen


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1urn#n& Test

Materials $urn an% c&ntinues t& $urn&n rem&'al (r&m the )ame

NR* S+R* IR*+R* etc,Materials $urn $ut e-tin.uishes itsel(

&n rem&'al (r&m the )ame

CR


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Heat the &lymer 0ith c&n, Nitric aci%

Disinte.rati&n

NR* IR* S+R* +R

N& %isinte.rati&n

+utyl* silic&ne*EPDM


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Test for Chlorine( copper -#re Test"2

This test is use(ul t& i%enti(y hal&.en1mainly chl&rine2 c&ntainin. &lymers

3eat a copper -#re t#red ot.

Rub ot copper -#re onsampe and eat tat

copper -#re on te4ameObser)e coour of 4ame.


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Test for Halogen

If coour of te /ame turns &reen+ #nd#catepresence of cor#ne conta#n#n& po!mers. 5&. CR

If coour of 4ame rema#ns uncan&ed #nd#catespresence of non ao&enated po!mers #%e NR*

EPDM* S+R* N+R* P+Retc


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Rubbers most! conta#n C and 3

/e- rubbers conta#n eements #%e N+ S and3ao&en

Lassa#&ne6s test

Sma p#eces of rubber sampe #s treated -#t

meta#c sod#um at #& temperature.

Te sout#on #s treated -#t d#7erent rea&ents todeterm#ne te eements present #n te mater#a

5ementa Ana!s#s


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Elemental analysis 1!assai.ne3s test2

S&%ium (usi&n e-tract

Nitr&.en

Nitrileru$$er*P&lyurethane

Chl&rine

Ne&rene*Hyal&n

Sulhur

Hyal&n


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Mo#sture content8e#&ed sampe #s eated to 9::;c for

-e#&t of sampe ? -e#&t of sampe after < rs * 9::

-e#&t of sampe


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4 Oil Plastici5er $y Acet&ne e-tracti&n

Acetone e*tract#on )es o# and oter acetonee*tractabe content (supur+acceerator+ant#o*#dant etc" #n te rubberproduct

8e#&


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As content

A weighed specimen is placed in a weighed crucible

and heated in a muffle furnace at 550 0C+ 25 0C.

The mass of residue in the crucible represents the

ash content


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Ident#'cat#on of po!mer b! /TIR

Acetone 5*tracted sampe #s used forana!s#s

Most of te p!s#ca+ terma+ and cem#capropert#es are dependent on t!pe of

po!mer used #n rubber product.

Cem#ca test )es some #nformat#onabout t!pe of po!mer used #n rubber

products but e*act


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FTIR FOURIER TRASFORM INFRARED SPECTROSCOP"

6uic7 meth&%,

A nalyse all tye &( samles li7es&li%s* .ases*li8ui%s* &r.anic*

in&r.anic*m&n&mers an% &lymers,

Re(erence meth&% is nee%e%


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Infrared ReonNear Infrared Reon 2 9:;;;


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FTIR GRAPH


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IR Sectrum

The a$s&rti&n ea7s

Isoprene Rubber SBR Rubber

Wave number cm-1 Intensity Wave number cm-1 Intensity

800 m 699 vs

! vs !8 s

88! s "0" m

"0" s "#$ s

%30 s ""0 m%#&0 m %&"0 '


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FTIR GRAPH


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TGA T"ermo-#ravimetric Ana$y%er


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TGA analysis &( ru$$er r&%ucts

(irst the )olatile materials are lost un*er nitrogen

purge+upto 300,c-ollo/e* y ruer in the temperature

range o 300,c 1!!0,c.

Ater !!0,cnitrogen purging is change* to o2ygenso that

caron lac is o2i*ise* as in*icate* y urther /eight

loss.

The remaining resi*ue is ash /hich generally comes rom

4inc o2i*e an* other inorganic iller an* a**iti)es


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Termo &ram for Cac#umO*aate

CaC


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T"an& you

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