Ithini inkqubo yemveliso ye-hydroxythyl sellise?

I-HydroxyEtheetheetheetheethy (Hec) i-polymer eselunxwemeni yamanzi isetyenziswa ngokubanzi kwi-osting yeoyile, ukwakhiwa, iingubo, ipende, izibalo, amayeza, amayeza kunye namanye amashishini. Inkqubo yayo yemveliso ibandakanya ukuphendula okuninzi kwekhemikhali kunye nolawulo olungqongqo.

(1) Ukulungiselela izinto ezibonakalayo

Ezona zinto ziphambili ze-hydroxythyl selliese zibandakanya:
Iseli
I-Etholene oxide: Le yeyona ngxaki iphambili yokwazisa esetyenziselwa ukwazisa amaqela e-hydroxyythyl.
Isisombululo se-Alkali: Ngokwesiqhelo isodium hydroxide, esetyenziselwa i-alkalition ye-sellulose.
I-SOLDCK i-Solvent: ezinje nge-Iyopropanol, esetyenziselwa ukunyibilikisa i-sellsulose kunye nokukhuthaza ukusabela.

(2) Inkqubo yeNkqubo

I-Alkalition ye-sellyulise:
Misa i-sellulose kwisinyibilikisi sezinto eziphilayo (ezinje nge-isopropanol) kwaye yongeza isisombululo sesodium hydroxide ye-alkalition.
Kwindlela yokuphendula ye-alkali, i-hydrogen ye-hydrogen ye-selselose yaphukile, esenza amaqela e-hydroxyl kwi-selsulose ye-selselose molecular esabela ngokulula nge-Ethylene oxide.
Impendulo yokuphendula ye-alkali idla ngokuqhutywa kubushushu obuthile (njenge-50-70 ° C) kwaye iqhubekile kangangexesha elithile phantsi kwemeko eshukumisayo.
Ukuphendula kwe-ether

I-Ebanonene Axide iyongezwa ngokuthe ngcembe kwinkqubo ye-alkali.
I-Ebanoneneene Oxide i-Axides kunye namaqela e-hydroxyl kwi-seluplose ukuze senze i-hydroxyythl seluplose.
Ubushushu bokuphendula bufumaneka phakathi kwe-50-100 ° C, kwaye ixesha lokuphendula liyahluka ngokuxhomekeke kwimveliso ekujoliswe kuyo.
Okwangoku, iimeko zokuphendula (ezinje ngamaqondo obushushu, ixesha, isixa se-E-Inglone Oxide, njl.njl.
Ukungathathi cala kunye nokuhlamba:

Emva kokuphendula kugqityiwe, i-acid (efana ne-hydrochloric acid) yongezwa ukungathathi cala isisombululo se-alkali, kunye nemveliso yokuphendula ihlanjululwe ukususa iichemicals kunye neemveliso.
Ukuhlamba kuhlala kuqhutywa ngokuhlamba kwamanzi, kwaye emva kokuhlanjwa okuninzi, ixabiso le-pH lemveliso lisondele ekungathathi cala.
Ukuqulunqa kunye nokomisa:

I-hydroxythyl ye-hydroxyEse idluliselwe kwi-filter ukususa amanzi angaphezulu.
Imveliso efihlakeleyo yomile, idla ngokutyibilika komisa okanye ishushu ishushu, ukunciphisa imixholo yayo yokufuma kumgangatho omiselweyo (onjalo ngaphantsi kwe-5%).
Imveliso eyomileyo ikwi-powder okanye i-granule yegranti.
Ukutyumza kunye nokuhlolwa:

I-sorilomeyl eyomileyo ye-hydroxyyl ityunyuzwe ukufezekisa ubungakanani obufunekayo.

Imveliso etyheliweyo ihlolwe ukuze ifumane iimveliso zobukhulu obahlukeneyo zokuhlangabezana neemfuno zemimandla eyahlukeneyo yesicelo.

Ukupakisha kunye nokugcinwa:

Imveliso ye-hydroxylyl ye-hydroxylietheethy ifakwe ngokweenkcukacha.

Izinto zokupakisha zihlala zibubungqina bokufuma okanye ubungqina beplastiki yeplastiki okanye ebhegini yephepha, kunye nengxowa ye-WHOP okanye ibhokisi.

Gcina kwindawo epholileyo, eyomileyo, enomoya enomoya ukuthintela ukufuma okanye ukonakala kobushushu.

(3) Ulawulo loMgangatho

Ulawulo oluphambili lubalulekile kwinkqubo yemveliso ye-hydroxyythl sellie. Ibandakanya le miba ilandelayo:

Ukulawulwa komgangatho ophantsi

Inkqubo yokuFuba kweMveliso: Ukulawulwa ngokuchanekileyo kweeparamitha eziphambili njengeqondo lobushushu, uxinzelelo, ixesha, ixabiso le-PH, njl njl.

Ukuvavanywa kwemveliso egqityiweyo: Vavanya isidanga sokufaka endaweni, uVeksi, ukuLubisa, ukucoceka kunye nezinye izikhombisi zokuqinisekisa ukuba ziyafezekisa iimfuno zabathengi.

(4) Ukukhusela kwendalo kunye nokhuseleko
Ukuveliswa kwe-hydroxyEtheetheetheetheethl seluplose ibandakanya iichemicals ezinje ngezinyibilikisi ze-organic kunye ne-Ethylene oxide. Ukukhuseleka okungqinayo nokhuseleko kufuneka kuthathwe ngexesha lenkqubo yemveliso:

Unyango lwamanzi amdaka: Amanzi amdaka aveliswa ngexesha lenkqubo kufuneka anyangwe ngaphambi kokukhuphela ukungcoliseka kwendalo.

Unyango lwegesi yegesi: I-E-Inglone Oxide inetyhefu kwaye ivuza. Irhasi yokuphendula irhasi kufuneka inyangwe zizixhobo ezifana neekow zokuthabatha ukunciphisa ungcoliseko lomoya.

Ukukhusela okukhuselekileyo: Abaqhubi kufuneka banxibe izixhobo zokhuselo ukunqanda ukunxibelelana neekhemikhali eziyingozi. Kwangelo xesha, amaziko emveliso kufuneka axhotywe ngothintelo lomlilo, ukuthintela ukuqhuma kunye nezinye izixhobo zokhuseleko.

Inkqubo yemveliso ye-hydroxyEtheetheethy iquka ukuphendula okuninzi kweekhemikhali kunye nenkqubo enobunkunkqele. Ukusuka ekulungiseleleni izinto eziluhlaza ukugqitywa ukupakisha, yonke ikhonkco linefuthe elibalulekileyo kwintsebenzo kunye nomgangatho wemveliso yokugqibela. Ngokuqhubela phambili kwetekhnoloji kunye nokuphuculwa kweemfuno zoKhuselo lweNdalo, inkqubo yemveliso ye-hydroxyEtheethy isekwe ngokuqhubekeka ukuphucula umgangatho wemveliso, ukunciphisa iindleko kunye nokunciphisa ifuthe lokusingqongileyo.