POLIMERII ...ext15 TitleSIts16tqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 trtlchtfcs1 taf0tafs28talang1025 tltrchtfcs0 tfs28tlang1048tlangfe2052tcgridtlangnp1048tlangfen p2052 tsbasedon0 tsnext16 Body Text 2SIts17tqj tfi720tli0tri0tidctlpartaspalphataspnumtfaautotadj ustrighttrin0tlin0titap0 trtlchtfcs1 taf0tafs28talang1025 tltrchtfcs0 tfs28tlang1048tlangfe2052tcgridtlangnp1048tlangfen p2052 tsbasedon0 tsnext17 Body Text Indent 2SSIttlisttableItlisttlisttemplateid394015846tlist simpleItlistleveltlevelnfc4tlevelnfcn4tleveljc0tlev eljcn0tlevelfollo0tlevelstartat2tlevelspace0tleveli ndent0Itleveltextt02t00SItlevelnumberst01Strtlchtfc s1 taf0 tltrchtfcs0 tfbias0 tfi-720tli1440tjclisttabttx1440tlin1440 SItlistname Stlistid1993677335SSIttlistoverridetableItlistover ridetlistid1993677335tlistoverridecount0tls1SSIttrs idtbl trsid10360798SIttgenerator Microsoft ord 10.0.2627SItinfoIttitle POLIMERISItauthor VirgilSItoperator DanielSItcreatimtyr2002tmo5tdy15thr1tmin4SItrevtim tyr2002tmo5tdy15thr1tmin4SItversion2SItedmins0SItno fpages3SItnofords1279SItnofchars7296SIttcompany CoiSItnofcharss8558SItvern16437SStpaper11906tpaper h16838tmargl1134tmargr991tmargb1135tltrsect tidoctrltftnbjtaenddoctnoxlattoyentexpshrtntnoultr lspctdntblnsbdbtnospaceforultformshadethorzdoctdghs pace180tdgvspace180tdghorigin1701tdgvorigin1984tdgh sho0tdgvsho0tjexpandtviekind1tviescale100tpgbrdrhea dtpgbrdrfootthtmautsptnolnhtadjtbltrsidroot10360798 tfet0tltrpar tsectd tltrsecttlinex0tendnheretsectdefaultcltsftnbj Ittpnseclvl1tpnucrmtpnqctpnstart1tpnindent720tpnha ng Itpntxta .SSIttpnseclvl2tpnucltrtpnqctpnstart1tpnindent720t pnhang Itpntxta .SSIttpnseclvl3tpndectpnqctpnstart1tpnindent720tpn hang Itpntxta .SSIttpnseclvl4tpnlcltrtpnqctpnstart1tpnindent720t pnhang Itpntxta SSIttpnseclvl5tpndectpnqctpnstart1tpnindent720tpnh ang Itpntxtb SItpntxta SSIttpnseclvl6tpnlcltrtpnqctpnstart1tpnindent720tp nhang Itpntxtb SItpntxta SSIttpnseclvl7tpnlcrmtpnqctpnstart1tpnindent720tpn hang Itpntxtb SItpntxta SSIttpnseclvl8tpnlcltrtpnqctpnstart1tpnindent720tp nhang Itpntxtb SItpntxta SSIttpnseclvl9tpnlcrmtpnqctpnstart1tpnindent720tpn hang Itpntxtb SItpntxta SStpardtplain tltrparts15tqc tli0tri0tsb240tsa60tidctlpartaspalphataspnumtfaaut otoutlinelevel0tadjustrighttrin0tlin0titap0 trtlchtfcs1 tabtaf1tafs32talang1025 tltrchtfcs0 tbtf1tfs32tlang1033tlangfe2052tkerning28tcgridtlan gnp1033tlangfenp2052 Itrtlchtfcs1 taf1tafs24 tltrchtfcs0 tb0tfs24tultlang1048tlangfe2052tlangnp1048tinsrsid 10360798tcharrsid10360798 POLIMERItpar Stpardtplain tltrpartqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang3081tlangfe2052tcgridtlangnp3081tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 tpar tpar Stpard tltrpartqj tfi720tli0tri0tidctlpartaspalphataspnumtfaautotadj ustrighttrin0tlin0titap0 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 Moleculele alchenelor si ale altor substante nesaturate au proprietatea de a se uni intre ele cu ajutorul dublelor legaturi si de a forma polimeri tpar Stpard tltrpartqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 titfs24tlang1048tlangfe2052tlangnp1048tinsrsid1036 0798tcharrsid10360798 n A Antpar Stpard tltrpartqj tfi720tli0tri0tidctlpartaspalphataspnumtfaautotadj ustrighttrin0tlin0titap0 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 Numarul de molecule ale monomerului, care se impreuneaza pentru a forma polimerul, se numeste SItrtlchtfcs1 taf0tafs24 tltrchtfcs0 titfs24tlang1048tlangfe2052tlangnp1048tinsrsid1036 0798tcharrsid10360798 grad de polimerizaren.SItrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 Reactia care sta la baza formarii polimerului se numeste SItrtlchtfcs1 taf0tafs24 tltrchtfcs0 titfs24tlang1048tlangfe2052tlangnp1048tinsrsid1036 0798tcharrsid10360798 polimerizareSItrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 iar alchena folosita ca materie prima se numeste SItrtlchtfcs1 taf0tafs24 tltrchtfcs0 titfs24tlang1048tlangfe2052tlangnp1048tinsrsid1036 0798tcharrsid10360798 monomer.SItrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 tpar Stpardtplain tltrparts16tqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 trtlchtfcs1 taf0tafs28talang1025 tltrchtfcs0 tfs28tlang1048tlangfe2052tcgridtlangnp1048tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tinsrsid10360798tcharrsid10360798 Se disting doua tipuri de reactii de polimerizare. Unele duc la polimeri cu grade de polimerizare mici dimeri,trimeri tetrameri teen altele iau nastere polimeri inalti sau macromoleculari n cte2teva sute sau mii. tpar Stpardtplain tltrpartqj tfi720tli0tri0tidctlpartaspalphataspnumtfaautotadj ustrighttrin0tlin0titap0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang3081tlangfe2052tcgridtlangnp3081tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 Alchenele simple,cum sunt etena, CH2CH2, si propena, CH2CH tendash CH3, se transforma in macromolecule numai in conditii speciale. Cel mai usor se polimerizeaza alchenele care au doua grupe alchil la unul din atomii de carbon ai dublei legaturi, ca de exemplu izobutena tpar Stpardtplain tltrparts4tqj tfi720tli2880tri0tkeepntidctlpartaspalphataspnumtf aautotoutlinelevel3tadjustrighttrin0tlin2880titap0 trtlchtfcs1 taf0tafs28talang1025 tltrchtfcs0 tfs28tlang1048tlangfe2052tcgridtlangnp1048tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tinsrsid10360798tcharrsid10360798 CH3tpar Stpardtplain tltrpartqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang3081tlangfe2052tcgridtlangnp3081tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 ttab ttab ttab ttab ttab tpar Stpardtplain tltrparts5tqj tfi720tli2160tri0tkeepntidctlpartaspalphataspnumtf aautotoutlinelevel4tadjustrighttrin0tlin2160titap0 trtlchtfcs1 taf0tafs28talang1025 tltrchtfcs0 tfs28tlang1048tlangfe2052tcgridtlangnp1048tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tinsrsid10360798tcharrsid10360798 CH2 Ctpar Stpardtplain tltrpartqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig httrin0tlin0titap0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang3081tlangfe2052tcgridtlangnp3081tlangfen p2052 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tlangnp1048tinsrsid103607 98tcharrsid10360798 ttab ttab ttab ttab ttab tpar Stpard tltrpartqj tfi720tli2880tri0tidctlpartaspalphataspnumtfaautot adjustrighttrin0tlin2880titap0 Itrtlchtfcs1 taf0tafs24 tltrchtfcs0 tfs24tlang1048tlangfe2052tl... 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