Zithini izinyibilikisi zeSemyl Selelose?

Izinyibilikisi zidlala indima ebalulekileyo ekuqulunqweni nasekuqhubekweni kwee-polymers ezifana ne-ethlose (ec). I-Ethyl Secelose yi-polymer eguquguqukayo evela kwi-seluplose, i-polymer yendalo ifumaneka kwiindonga zeseli zezityalo. Iqhelekile isetyenziswa kumashishini ahlukeneyo anje ngamayeza, iingubo, amachaphaza, kunye nokutya.

Xa ukhetha i-slices ye-sthyl secelose, iinto ezininzi kufuneka zithathelwe ingqalelo, kubandakanya ukubenzela uzolu, i-viscosity, ukuzinza, ityhefu, kunye nefuthe lokusingqongileyo. Ukhetho lwe-solvent lunokuphembelela kakhulu iipropathi zemveliso yokugqibela.

I-ethanol: ethanol yenye yezona zityhutyha zisetyenziswa kakhulu ze-sthyl secelose. Ifumaneka ngokulula, ingenaxabiso, kwaye ibonise ukungcungcutheka okufanelekileyo kwe-Ethyl Selelose. I-Ethanol isetyenziswa ngokubanzi kwizicelo zamayeza zokulungiselela iimoto, iifilimu kunye nematriki.

I-Iyopropanol (i-IPA): I-Iyopropanol yenye ye-Solvent ethandwayo ye-Ethyl Selelose. Inika iinzuzo ezifanayo ze-ethanol kodwa inokubonelela ngeepropathi ezingcono zefilimu kunye nokuzibhokoxa okuphezulu, okwenza ilungele ukusetyenziswa kwe-Ads efuna amaxesha okonga ngokukhawuleza.

I-Methanol: I-Methanol yi-solver ye-polar enokuthi ichithe i-sethyl seluplose ngokufanelekileyo. Nangona kunjalo, isetyenziswa kancinci ngenxa yetyhefu yayo ephezulu xa kuthelekiswa ne-ethanol kunye ne-Iyopropanol. I-Methanol iqeshwa ikakhulu kwizicelo ezikhethekileyo apho kufuneka khona iipropathi zayo ezithile.

I-Acetone: I-Acetone sisilivere eguqukayo kunye ne-solity elungileyo ye-Ethyl Selelose. Iqhelekile kwizicelo zemizi-mveliso yokuqulunqwa kwengubo, imihlambi kunye nee-inks. Nangona kunjalo, i-acetone inokutshakazeka kakhulu kwaye inokubangela ubungozi bokhuseleko ukuba ayilawulwa ngokufanelekileyo.

I-Touluene: I-touluene yi-solvent ye-polar eveza isolula esigqwesileyo se-Ethyl Selelose. Iqhelekile isetyenziswa kwimveliso yempahla kunye nemizi-mveliso yokuthetha kwamandla ayo okunyibilikisa uluhlu olubanzi lwee-polymers, kubandakanya iseti se-sellyulose. Nangona kunjalo, i-toiluene inezinto ezixhalabisayo zezempilo kunye nezendalo ezinxulunyaniswa nokusetyenziswa kwayo, kubandakanya netyhefu kunye nokuzinza.

I-Xylene: Xyynene yenye i-sollar ye-onvent enokuthi ichithe i-sethyl selsulose. Ihlala isetyenziswa ngokudibeneyo kunye nezinye izinto zokucoca ukuhlengahlengisa ukwahlula i-smobimaty kunye nohlobo lwesisombululo. NjengoToluene, i-xyyne ikhupha umngcipheko wezempilo kunye nokusingqongileyo kwaye ifuna ukuphatha ngononophelo.

Izinyibilikisi ze-chloridated (umz. Nangona kunjalo, zinxulunyaniswa neengozi ezibalulekileyo kunye nezendalo, kubandakanya netyhefu kunye nokuzingisa okusingqongileyo. Ngenxa yezi zinto zixhalabisayo, ukusetyenziswa kwabo kunqabile ukwenzela ezinye iindlela ezikhuselekileyo.

I-Ethyl Acetate: I-Ethyl Acetate yi-solver yepolar enokuthi ichithe i-sellyl sellulose ukuya kuthi ga kwinqanaba elithile. Iqhelekile isetyenziswa kwizicelo ezizodwa apho iipropathi zayo zinqweneleka khona, njengokuqulunqwa kweefom zethamo zethamo eziqhelekileyo kunye neengubo ezikhethekileyo.

I-propylene glycol momenemethyl other (PGME): I-PGME sisitali sePolar esibonisa ukonakala okuphakathi kwe -thyl secelose. Ihlala isetyenziswa ngokudibeneyo kunye nezinye izinto zokwenza ukuba ziphucule ukubenzela isono kunye nefilimu. I-PGME idla ngokuqeshwa ekuqulunqweni kwengubo, i-inks kunye nemibhedu.

I-propylene carbonate: i-propylene carbonate yi-polalar isolvent ene-solity elungileyo ye-Ethyl Selelose. Ihlala isetyenziswa kwizicelo ezizodwa apho iipropathi zayo ezithile, ezinjengokuzinza eziphantsi kunye nendawo ebilayo ephezulu, ziyingenelo.

I-Dimthyl SulfoXide (DMSO): I-DMSO sisimo se-solrotic ye-berolatic enokunyibilikisa i-sellyulose ukuya kuthi ga kwinqanaba elithile. Iqhelekile isetyenziswa kwizicelo zamayeza zokukwazi kwayo ukwenzela uluhlu olubanzi lweendawo ezihlanganisiweyo. Nangona kunjalo, i-DMSSO inokubonisa ukuba incinci ngokuhambelana kwezixhobo ezithile kwaye inokuba nepropathi yokucaphukisa ulusu.

I-N-Methyl-2-Pmerludone (NMM): NMP yi-solver ye-polar kunye ne-solional ephezulu ye-Ethyl Selelose. Iqhelekile isetyenziswa kwizicelo ezizodwa apho iipropathi zayo ezithile, ezinje ngendawo yokubila ephezulu kunye netyhefu esezantsi, ziyafuneka.

I-Tetrarahydrofuran (thf): thf sisimo sepolar esibonisa ukungcungcutheka ngokugqwesileyo kwi-Ethyl Selelose. Iqhelekile isetyenziswa kwizicwangciso zelebhu zokupheliswa kwee-polymers kunye ne-Solventi yokuphendula. Nangona kunjalo, i-thf inokutsha kwaye ibeka iingozi zokhuseleko ukuba azilawulwa ngokufanelekileyo.

I-Dioxane: I-Dioxane yi-solver ye-polar enokuthi ichithe i-sellyulose ukuya kuthi ga kwinqanaba elithile. Iqhelekile isetyenziswa kwizicelo ezikhethekileyo apho iipropathi zayo ezithile, ezinje ngemimandla ebilayo ephezulu kunye netyhefu esezantsi, ziyingenelo.

I-Benzene: I-Bezene yi-solver engoofolayo eveza isomeleza elungileyo ye-Ethyl Selelose. Nangona kunjalo, ngenxa yetyhefu yayo ephezulu kunye ne-carcinogenicity, ukusetyenziswa kwayo kuye kwanqandwa ezinye iindlela ezikhuselekileyo.

I-Methyl Ethyy Ketone (Mek): I-Mek i-solver yepolar kunye ne-solional elungileyo ye-Ethyl Selelose. Iqhelekile kwizicelo zemizi-mveliso yokuqulunqwa kwengubo, imihlambi kunye nee-inks. Nangona kunjalo, i-Mek inokutshakazeka kakhulu kwaye inokubangela ubungozi bokhuseleko ukuba ayilawulwa ngokufanelekileyo.

I-cycloheXanone: i-cycloheXanone sisisele sePolar esinokuchitha i-sethyl sellulose ukuya kuthi ga kwinqanaba elithile. Iqhelekile isetyenziswa kwizicelo ezizodwa apho iipropathi zayo ezithile, ezinje ngendawo yokubila ephezulu kunye netyhefu esezantsi, ziyafuneka.

I-Ethyl Lactate: I-Ecemyl Latate sisiseko sePolar esivela kwizibonelelo ezihlaziyiweyo. Ibonisa ukulingana okuphakathi kweselokonga kwaye isetyenziswa rhoqo kwizicelo ezizodwa apho ubuncwane bayo obuphantsi khona kwaye bubungozi bayo kwaye bangenakusebenza kakuhle.

I-Diethyl Ether: I-Dietyyl Ether yi-Solver ye-polar engoyiki inyibilikisi i-setyl sethyl ukuya kuthi ga kwinqanaba elithile. Nangona kunjalo, iguquguquka kakhulu kwaye inokutsha, ibeka ingozi yokhuseleko ukuba ingalawulwa ngokufanelekileyo. I-Diethyl Ether ihlala isetyenziswa kwizicwangciso zelebhu zokupheliswa kwee-polymers kunye ne-Solventi yokuphendula.

I-Petroleum Ether: I-Petroleum I-Eteroleum yi-Solvar ye-polar efumaneka kwinxalenye yepetroleum. Ibonisa ukungasebenzi kakuhle kweselsobise ye-Ethyl kwaye isetyenziswa ikakhulu kwizicelo ezikhethekileyo apho kufunwa khona iipropathi ezithile.

Kukho uluhlu olubanzi lwee-solints ezikhoyo zokuchitha i-seluplose, nganye ineseti kunye nokusikelwa umda. Ukhetho lwe-solvent luxhomekeke kwimiba eyahlukeneyo, kubandakanya iimfuno zonqulo, iimeko zokulungisa, ukuqwalaselwa ngokukhuselekileyo, kunye neenkxalabo zokusingqongileyo. Kuyimfuneko ukuvavanya ngononophelo ezi zinto kwaye ukhethe eyona inyibilikisileyo yesicelo ngasinye ukufezekisa iziphumo eziphezulu ngelixa uqinisekisa ukhuseleko kunye nokuzinza kwendalo.