Mai ba da gudummawa na cikin gida don Ziegler-Natta (Z-N) Castysts
Sunan samfur: Isopropyl-2-isopentyl-1,3-propanediol DimethylEther
Synonymous: 2-isopropyl-2-(1-methylbutyl)-1,3-dimetoxypropane
Kasa no: 129228-11-1
Ziegler-Natta mai ban mamaki (Z-N) masu kara kuzari suna hada da magnesium dichloride kamar yadda
goyon baya.Lokacin loda kayan titanium tetrachloride,an haɗa mai ba da gudummawa na ciki don samarwa
babban mai kara kuzari.Alkylaluminum cocatalysts da masu ba da gudummawa na waje ana ƙara su yayin propylene
polymerization.
Duk masu ba da gudummawa na ciki da na waje suna taka muhimmiyar rawa wajen haɓaka ayyukan haɓakawa da sarrafawa
isotacticity na polypropylene,a tsakanin sauran kaddarorin.Hanyoyin da ke dauke da 1,3-propanediol
dimethyl ether structural motif wakiltar wani sabon aji na masu ba da gudummawa.
Wadannan zasu iya cimma babban aiki da babban isotacticity a cikin polypropylene ko da ba tare da mai bayarwa na waje ba.
Wannan yana rage rikitarwa na tsarin polymerization sosai kuma yana riƙe da amfani mai mahimmanci
darajar.
Yawancin nau'ikan abubuwa daban-daban, Lokacin da aka yi amfani da shi azaman masu ba da gudummawa a cikin z-n catrysts, nuna bambanci
Halayen aikace-aikacen.2-Isopropyl-2-isopentyl-1,3-propanediol dimethyl ether, kuma aka sani da
2-isopropyl-2-isopentyl-1,3-dimetoxypropane, shi ne na hali wakilci na diether ciki
aji mai bayarwa:
Bayanan Bayani na EP0362705 (Montedison, 1989) yana nuna cewa yin amfani da 2-isopropyl-2-isopentyl-
1,3-propanediol dimethyl ether kamar yadda mai ba da gudummawa na ciki ya cimma aikin catalytic na 3950 g
polypropylene da gram mai kara kuzari (3950 g PP/g katsi) da kuma isotacticity na 98.5% na musamman
yanayin aikace-aikacen da aikin mai bayarwa na ciki suma sun dogara sosai akan na mai amfani
kokarin ci gaba.
