polybutadiene rubber project review
TRANSCRIPT
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GUIDED BY:P.RAMYAKRISHNA Pre
Md. Javeed ali
12021A2531
MANUFACTUREOFPOLY BUTADIEN
RUBBER (PBR)
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INTRODUCTION
PROPERTIES
APPLICATIONS
GLOBAL AND INDIAN SCENARIO
DIFFERENT MANUFACTURING PROCESSES
SELECTION OF PROCESS
DESCRIPTION OF PROCESS
CONTENTS
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Polybutadiene is a syn!"i# $%&&"$ !a is a 'y*"$ +
+$* !" 'y*"$i-ain '$#"ss + !" *n*&%a,i"n".
A&% 234 + !" syn!"i# $%&&"$ *an%+a#%$", a 56$, is PBR.
O!"$ IUPAC na*"s a$" : 'y (&%a1/ 01,i"n") an,
Py (&%11"n"1/ 71,iy)
INTRODUCTION
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Elongation 450% to
650%
ardness !ange 73 83
S!$" A
"ensity 973 ;33
2333PSI oung&s 'odulus 2 3MPa
PROPERTIES
P()*A+ P!,PE!#)E(-
+o #e'/erature
!ange
150 to 100
Mini'u' or
*ontinuous se
1 93? F
ig$ #e'/erature
!ange
@ 83? F @ 223? F
Mai'u' or
*ontinuous se
@ 233? F
Brittle /oint 1 33? F
#E!MA+ P!,PE!#)E(-
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*o'/ression set ood to E7ellent
!ebound !ating Fai$ E#""n
#ear !esistan7e P$ G,
)'/a7t
!esistan7e
P$ G,
Abrasion
!esistan7e
Fai$ E#""n
Ad$esion to
Metal
G,
Ad$esion to
!igid Materials
Fai$ G,
ME*A8)*A+ P!,PE!#)E(-
Al9alies: "ilute air to o
Al9alies:
*on7entrated
Fai$ G
Al7o$ol&s Fai$ G
Alde$ydes G,
A'ines P$ G
,il !esistan7e P$
*EM)*A+ !E()(#A8*E-
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Py&%a,i"n" is a$;"y %s", in 5a$i%s 'a$s +
a%*&i" i$"s.A&% 2>4 + !" '$,%#", 'y&%a,i"n" is %s",
i*'$5" !" *"#!ani#a '$'"$i"s + 'asi#s.
Ms ;+ &as a$" *a," + an "asi# #$" +'y&%a,i"n" s%$$%n,", &y a ay"$ + a !a$,"$ *a"$ia.
T!is $%&&"$ #an as &" %s", in $ai6ay 'a,s/ &$i,;"&#s/ "#.
Py&%a,i"n" is %s", in !" *an%+a#%$in; + !" !i;!1$"si%in y S%'"$ Ba.
APPLICATIONS
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GLOBAL AND INDIAN SCENARIO
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T!" 5"$a #ns%*'in + PBR &y In,ian $%&&"$ in,,ay is 5"$ 00333 TPA (990197)/ a*%nin; a#*'%n,", a5"$a;" ;$6! $a" + .>4 '"$ y"a$ ias ,"#a,"
(KT)231
2
2321
0
2301
7
2371
>
23>1
231
Ca'a#iy 7 7 97 7 7 7
P$,%#in 2 7 97 7 7 7
E'$s 3 2 2 2
I*'$s > 8 3 >> 0
Cns%*'in 0 7 >0 8 90
Cns G$6!
(4)
8 8 9 9
PB! de'and su//ly in )ndia
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T!" 5a$i%s *an%+a#%$in; '$#"ss a5aia&" a$":
S%in 'y*"$i-ain
E*%sin 'y*"$i-ain
DIFFERENT MANUFACPROCESSES
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S%in 'y*"$i-ain is a *"!, +
in,%s$ia 'y*"$i-ain. In !is '$#",%$"/ a *n&%a,i"n" is ,iss5", in a nn1$"a#i5" s5"n !aa #aays.
Ms 'y&%a,i"n"s a$" *a," &y a s%in '$#"s"i!"$ a $ansiin *"a (N,/ Ni/ $ C) #*'" $ a
*"a/ as #aays.
Sin#" !" $"a#in is 5"$y "!"$*i#/ an, #an &" "'a$i#%a$y 6i! ay i!i%* #aayss/ !" $"a#inn$*ay #a$$i", % in s5"ns i" !"an"/ #y#!"
&"n-"n" $ %"n".
(,+#),8 P,+ME!);A#),8-
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T!" s5"ns a$" %s", $",%#" !" $a" + $"a#in#n$ !" !"a ;"n"$a", &y !" 'y*"$isain an6"$ !" 5is#siy + !" 'y*"$ s%in in !" $"a
A y'i#a 'y&%a,i"n" 'y*"$isain 6%, &" $%n
a&% 234 *n*"$ an, 834 s5"n.
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EM+(),8 P,+ME!);A#),8-
A y'i#a "*%sin 'y*"$i-ain +$*%ain #*+%$ &asi# in;$",i"ns:
) Mn*"$/
2) ,is'"$sin *",i%*/
0) "*%si"$/ 7) iniia$.
Mn*"$ / 0 &%a,i"n" #an &" 'y*"$i-", &y "*'y*"$i-ain.
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HY SOLUTION POLYMERIATION
T!is is "asy an, si*'" "#!ni%"
P$"#is" #n$ + !" #!"*i#a $"a#in
Cn$ + !" $"s%in; !"a an, 5is#siy
#n$ 5"$ a% a##""$ain + !" '$#"ss Py*"$ isain s"' #an &" a5i,", &y s5"n
"5a'$ain/ ,isiain
SELECTION OF PROCESS
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Py&%a,i"n" $%&&"$ is '$,%#", &y s%in 'y*+ B%a,i"n" *n*"$.
N$*a !"'an" an, %"n" is %s", as s5"ns. T!#*'n"n &as", i";"$1Naa #aayss sys"* is "(T$i ay a%*ini%*/ Ni#" na'!!"na" an, B$n$i%$i,") #a$$y % 'y*"$i-ain $"a#in '$
ni#" &as", B%a,i"n" R%&&"$ s !a !i;! s"$" sis a#!i"5",.
E!"$*i# !"a + 'y*"$i-ain is $"*5", &y ia**nia &iin; a s%&1-"$ "*'"$a%$" insi," $"a Ja#"s.
DESCRIPTION OF PROCESS
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lo diagra' o PB! Poly'eri
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F%$ si$$", an $"a#$s a$" %s", in s"$i"s a#!i"B%a,i"n" #n5"$sin !" %n" + 934.
T!" $%&&"$ s%in s &ain", is sa&ii-", &y a,,anii,an a $"a#$ %" an, s$", in !*;"nans. S%&s"%"ny !" s%in is as!", (s$i''",6a"$ an, s"a* '$"#i'ia" $%&&"$ in ! #n,"n
S5"n s "5a'$a", is s"n +$ '%$i#ain in ,is6"$s +$* 6!"$" !"y a$" $"#y#", $"a#$s. F$s5"n '%$i#ain s"#in/ !i;! &i"$ &*s is $"as &y '$,%# an, s,.
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T!" $%&&"$ #$%*&s '$"#i'ia", in ! 6a"$ is s"n
$%&&"$ ,$yin;
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H"n#" *"a #$a"s a$" %s", +$ s$in; + $%&&"$ &
Fin" $%&&"$ 'a$i#"s 6!i#! #*" % ,%$in; "%i'*#"anin; a$" '$#"ss", in s' s$i''"$ an, $"#5"$"PBR s#$a' B%a,i"n" 'y*"$i-ain $"a#in is !i;!s"nsii5" *is%$" an, !"$ i*'%$ii"s '$"s"n i*n*"$ as 6" as in s5"ns an, s'"#ia #a$" is
&" a"n '"$a" '%$i#ain an, !"$ '"$asys"*s $%n 6i!in 5"$y #s" "$an#"s 6i! $"s'$#"ss 'a$a*""$s.
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BLOCK DIAGRAM OF PBR
POLYMERIATION
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