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8/10/2019 17_Polymers (New).pdf
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]OB @ESW 4
www.tanhinnt.nh
]OB^@ESW]oby`ers : \ae ter` poby`er ns lefnhel ds very bdrke `obegubes advnhk anka `obegubdr `dss (4= 7 4= ; u).\aese dre dbso referrel to ds `dgro`obegubes. wanga dre for`el cy jonhnhk of repedtnhk strugturdb uhnts oh dbdrke sgdbe. \ae repedtnhk strugturdb uhnts dre lernvel fro` so`e sn`pbe dhl redgtnve `obegubes ihowh ds`oho`ers. \ae progess of for`dtnoh of poby`ers fro` respegtnve `oho`ers ns gdbbel poby`ernsdtnoh.
Gbdssnfngdtnoh Cdsel oh Wourge
4. Hdturdb poby ers : \aese poby`ers dre fouhl nh pbdhts dhl dhn`dbs. Exd`pbes dre protenhs, gebbubose,stdrga, resnhs dhl ruccer.3. We`n-syhtaetng poby`ers : Gebbubose lernvdtnves ds gebbubose dgetdte (rdyoh) dhl gebbubose hntrdte, etg.7. Wyhtaetng poby`ers : ]bdstng (pobytaehe), syhtaetng fncers, dhl syhtaetng ruccers.
Gbdssnfngdtnoh Cdsel oh Wtrugture of poby`ers4. Bnhedr poby`ers : Anka lehsnty pobytaehe, pobyvnhyb gabornle, etg.3. Crdhgael gadnh poby`ers : Bow lehsnty pobytaehe.7. Gross bnhiel or Hetwori poby`ers : Cdiebnte, `ebd`nhe.
Gbdssnfngdtnoh Cdsel oh @ole of ]oby`ernsdtnoh
4. Dllntnoh poby`ers\ae dllntnoh poby`ers dre for`el cy tae repedtel dllntnoh of `oho`er `obegubes possessnhk loucbe or trnpbe cohls, e.k., tae for`dtnoh of pobytaehe fro` etaehe dhl pobypropehe fro` propehe. Aowever, tae dllntnoh poby`ers for`el cy tae poby`ernsdtnoh of d snhkbe `oho erng spegnes dre ihowh ds ao`opoby`ers, e.k., pobytaehe.
h GA 3 0 GA 3 ( GA 3 GA 3) h Ao`opoby`er Etaehe ]obytaehe
\ae poby`ers `dle cy dllntnoh poby`ernsdtnoh fro` two lnffereht `oho`ers dre ter`el ds gopoby`ers, e,k.,Cuhd-W, Cuhd-H, etg.h GA 3 0 GA GA 0 GA 3 + hG 6A5GA0GA 3
(GA 3 GA 0 GA 3 GA 3 GAG A6 5
)h4,7-Cutdlnehe Wtyrehe Cutdlnehe-styrehe gopoby`er (Cuhd-W)3. Gohlehsdtnoh poby`ers\ae gohlehsdtnoh poby`ers dre for`el cy repedtel gohlehsdtnoh redgtnoh cetweeh two lnffereht cn-fuhgtnohdbor trn-fuhgtnohdb `oho`erng uhnts. Nh taese poby`ernsdtnoh redgtnohs, tae ebn`nhdtnoh of s`dbb `obegubes sugads wdter, dbgoaob, aylrokeh gabornle, etg, tdie pbdge. \ae exd`pbes dre terybehe (ldgroh), hyboh 6, 6, hyboh 6,etg. For exd`pbe, hyboh 6, 6 ns for`el cy tae gohlehsdtnoh of aexd`etaybehe lnd`nhe wnta dlnpng dgnl.h A 3 H(GA 3)5 HA 3 + hAOOG(GA 3)
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]OB @ESW 3
www.tanhinnt.nh
7. \aer opbdstng poby`ers\aese dre tae bnhedr or sbnkatby crdhgael bohk gadnh `obegubes gdpdcbe of repedtelby softehnhk oh aedtnhk dhladrlehnhk oh goobnhk. \aese poby`ers possess nhter`obegubdr forges of dttrdgtnoh nhter`elndte cetweeh ebdsto`ersdhl fncers. Wo`e go``oh taer`opbdstngs dre pobytaehe, pobystyrehe, pobyvnhybs, etg.
8/10/2019 17_Polymers (New).pdf
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]OB @ESW 7
www.tanhinnt.nh
(nn) Anka lehsnty pobytaehe :Nt ns for`el waeh dllntnoh poby`ernsdtnoh of etaehe tdies pbdge nh d aylrogdrcoh sobveht nh tae presehge of dgdtdbyst suga ds trnetaybdbu`nhnu` dhl tntdhnu` tetrdgabornle (znekber-Hdttd gdtdbyst) dt d te`perdture of 777 I 7
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]OB @ESW (d) Aow loes vubgdhnsdtnoh gadhke tae gadrdgter of hdturdb ruccer?
(c) [ay dre tae hu`cers 6,6 dhl put nh tae hd`es of hyboh-6,6 dhl hyboh-6? YG.C.W.E. 3==6P
T.4= [rnte tae strugtures of `oho`ers usel dhl use of edga of tae fobbownhk poby ers:
(d) \efboh (c) Cuhd-H YG.C.W.E. 3==6P
T.44 [adt dre cnolekrdldcbe poby`ers ? Knve two exd`pbes. YG.C.W.E. 3==6P
T.43 Lrdw tae strugture of tae `oho`er of edga of tae fobbownhk poby`ers
(n) ]obyvnhyb gabornle (]VG) (nn) Hyboh-6 YG.C.W.E. 3==;P
T.47 [rnte tae `oho`ers of pobytaehe dhl tefboh. YG.C.W.E. 3==;P
T.4< [adt loes tae lesnkhdtnoh '6, 6' `edh nh tae hd`e hyboh-6,6? YG.C.W.E. 3==>P
T.45 Lrdw tae `obegubdr strugtures of tae `oho`ers of YG.C.W.E. 3==>P
(n) ]VG (nn) \efboh
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]OB @ESW 4;
T.46 [adt lo '6,6' nhlngdte nh tae hd`e hyboh-6,6? YG.C.W.E. 3=4=P
T.4; Ns(GA GA)3 h d ao`opoby`er or d gopoby`er ? YG.C.W.E. 3=47P
T.41 Lefnhe taer`opbdstng dhl taer`osettnhk poby`ers. Knve ohe exd`pbe of edga.OS
[adt ns d cnolekrdldcbe poby`er ? Knveh dh exd`pbe of d cnolekrdldcbe dbnpadtng pobyester.YG.C.W.E. 3=47P