I-SelerUlose Ether isebenzisa i-riard eyomileyo

Iziphumo zeselsulo engatshatanga eziqhelekileyo kwaye zixutywe nodaka oluxubileyo ekugcinweni kwamanzi kwindawo yokugcina amanzi kunye nokuqaqamba, ifutha, ukomelela komoya, kunye namandla omoya oxutywe. Ingcono kune-ether enye; Isalathiso sophuhliso sesicelo se-selsulose ether kwi-purr oxutyweyo exutywe nelindilele.

Amagama aphambili:I-seluplose ether; Ubukho bodaka oxubileyo; i-ether engatshatanga; i-ether exubeneyo

Umoya wemveli uneengxaki ezinjengokuqhekeka ngokulula, ukopha, ukusebenza kakubi, ukungcoliseka kwendalo, ungcoliseko lwendalo, njl njl, kwaye kuya kutshintshwa ngokuthe kukhanga umoya oxubeneyo. Udaka oluxubeneyo, okwabizwa ngokuba ngu-ox oxutywe (lomile) udaka, umgubo owomileyo, umxube owomileyo, umgubo owomileyo, ngudaka oluxubeneyo ohlanganisiweyo ngaphandle kokuxuba amanzi. I-Teluplose Ether ineepropathi ezigqwesileyo ezinje ngokuzithambisa, ukunqunyanyiswa, ukwenziwa kwefilimu, i-Coloper, i-Coloper, i-Coloper, i-Colove, kwaye ingumlinganiso obalulekileyo kubukhoboka obuxubeneyo.

Eli phepha lazisa izibonelelo, ukungalunganga kunye nendlela yophuhliso ye-seluplose i-ether kwisicelo sodaka oluqhelekileyo.

1. Iimpawu zodaka oluxubileyo

Ngokweemfuno zokwakha, udaka oluxubeneyo lunokusetyenziswa emva kokulinganiswa ngokuchanekileyo nangokubhaliweyo kwiworkshop yemveliso, kwaye emva koko idityaniswe namanzi kwindawo yesamente yamanzi amiselweyo. Xa kuthelekiswa nodaka lwendabuko, udaka oluxubileyo lunezibonelelo zilandelayo:①Umgangatho ofanelekileyo, udaka oluxubileyo luveliswa ngokwefomula yenzululwazi, i-automation enkulu ye-Autous, idityaniswa kunye nokungqinelana okufanelekileyo ukuqinisekisa ukuba imveliso inokufezekisa iimfuno zenqanaba elikhethekileyo;②Izinto ezininzi ezininzi, zokusebenza ezahlukeneyo zinokuveliswa ngokweemfuno ezahlukeneyo;③Ukusebenza kakuhle okwakha, kulula ukufaka nokusebenzisa, ukuphelisa isidingo sokufumanisa umsebenzi ongaphambi kokumanzi kunye nokulondolozwa kwawo okulandelayo;④Kulula ukuyisebenzisa, ukongeza amanzi kwaye uvuse, kulula ukuthutha kunye nokugcina, ngokulula kulawulo lolwakhiwo;⑤Ukukhusela oluhlaza kunye nokusingqongileyo, akukho luthuli kwindawo yokwakha, akukho zithayile ezahlukeneyo zezinto ezingafunekiyo, ukunciphisa ifuthe kwindawo engqongileyo;⑥Unyango lwezoqoqosho, oluxubeneyo oluxubeneyo lubathintela ukusetyenziswa kwezinto ezingafunekiyo ngenxa yezithako ezifanelekileyo, kwaye kufanelekile ukubalwa kolwakhiwo kumilo kumiselwe umjikelo wokwakha.

I-SelerUlose Ether yinto ebalulekileyo yokuxhuzulwa kodaka oluxubileyo. I-Seley Sethel Inokwenza i-calcium ye-calcium-hydroxide (CSH) ye-SHDREAUT yesanti kunye nesamente ukuze ifezekise iimfuno zezinto ezintsha zokusebenza eziphezulu.

I-2. I-Sethel sether njenge-ather

I-selyulose ether yiPolymer yeNdalo eguqulweyo apho ii-atom ze-hydrogen kwiqela le-hydroxyl kwicandelo le-selselose ye-selselose ye-selselose ithathelwa indawo kwamanye amaqela. Uhlobo, ubungakanani kunye nokusasazwa kwamaqela aphantsi kwi-chain eyi-selsulose choin chaza uhlobo kunye nendalo.

Iqela le-hydroxyl kwi-selsulose ether molecular chain ivelisa i-intermolecular yeoksijini yeoksijini, enokuphucula ukufana nokugqibelela kwesamente; Yongeza ukungqinelana kodaka, tshintsha ingqekembelo kunye nokungathobeki kodaka; phucula ukunganyangeki kodaka; Umoya wokungenela, ukuphucula ukusebenza kodaka.

2.1 Ukusetyenziswa kwe-carboxymethyl seluplose

I-carboxeymethylcelcelcelse (cmc) yi-Ionic amanzi anyibilikisi i-Ioni ye-Iother, kwaye ityuwa yayo yesodium ihlala isetyenziswa. I-CMC ecocekileyo ilumkile okanye i-mildy emhlophe yomgubo okanye igranugules, engenantlonelo kwaye ayinantsingiselo. Ezona zikhombisi ziphambili zokulinganisa umgangatho we-CMC ziyisidanga sokufakwa endaweni (DS) kunye no-Viscofity, ukungafihli kunye nokuzinza kwesisombululo.

Emva kokongeza i-CMC kudaka, inesiphumo sokugcina amanzi, kwaye ifuthe eliqaqambileyo kakhulu lixhomekeke kubunzima bemolekyuli kunye nenqanaba lokufakwa endaweni. Emva kokongeza i-CMC iiyure ezingama-48, yalinganiswa yokuba izinga lokufumana amanzi lesimo sesampulu ziyehlile. Iphantsi iqondo lokufumana amanzi, ukuphakamisa inqanaba lokugcina amanzi; Inkqubo yokugcina amanzi inyuka ngokunyuka kwe-CMC. Ngenxa yemisebenzi yokugcina amanzi elungileyo, inokuqinisekisa ukuba umxube ongumxube oxutywe uxutywe ungayi kubaphanga okanye ungaqhelekanga. Okwangoku, i-CMC isetyenziswa ikakhulu njengearhente yokuchasana nedama, i-docks, iibhulorho kunye nezinye izakhiwo, ezinokunciphisa ifuthe lamanzi kunye nokunciphisa ukungcoliseka kwendalo.

I-CMC i-IIIC ye-IIC kwaye ineemfuno eziphezulu kwisamente, kungenjalo inokusabela nge-CA I-CMC iphazamisekile; Ukunganyangeki kwe-enzyme ye-CMC kulihlwempu.

2.2 Ukusetyenziswa kwehydroxyyl seluplosekunye ne-hydroxdpropyl seluplose

I-HYDROXYETYL ILINE (Hec) kunye ne-Hydroxypropyl seluplose (HPC) ayizizo zinyibiliki ezinyibilikayo ze-ionic ze-ionic Hec uzinzile kubushushu; inyibilika ngokulula kumanzi abandayo ashushu; Xa ixabiso le-PH liyi-2-12, i-vickosity itshintsha kancinci. I-HPC inyibilika emanzini ngezantsi kwe-40°C kunye nenani elikhulu leendlela zepolar. Ine-thermoplastice kunye nomsebenzi womphezulu. Ukuphakama kwenqanaba lokufakwa endaweni, ukunciphisa ubushushu bamanzi apho i-HPC inokuchithwa khona.

Njengesixa se-hec esongezwe kunyulu, amandla engcinezelo, amandla e-thensile kunye nokunganyangeki kodaka kwexesha elifutshane, kwaye ukusebenza kutshintsha ixesha elide. I-HEC ikwachaphazela ukusasazwa kweepores kubulali. Emva kokongeza i-HPC kwi-hipc kwi-purmar, i-pursity yodaka iphantsi kakhulu, kwaye amanzi afunekayo ancitshiswa, ngaloo ndlela kuncitshiswa ukusebenza kodaka. Ngokwenene, i-HPC kufuneka isetyenziswe kunye neplastiki ukuphucula ukusebenza kodaka.

2.3 Ukusetyenziswa kwe-methyl seluplose

I-methylcelculose (MC) yi-Ionic ye-Ionic ye-Iother ye-Iother, enokusasazeka ngokukhawuleza kwaye idumbe amanzi ashushu nge-80-90°C, kwaye inyibilikiswe ngokukhawuleza emva kokupholisa. Isisombululo se-ACCEAGO SC sinokwenza ijeli. Xa ushushu, i-MC ayiyiginyisa amanzi ukwenza ijeli, kwaye xa ipholile, ijeli inyibilika. Le phenomenon iguqukile ngokupheleleyo. Emva kokongeza i-MC kudaka, umnikelo wokugcina amanzi ngokucacileyo uphuculwe. Ukugcinwa kwamanzi kwi-MC kuxhomekeke kwi-viscofity yayo, inqanaba lokufakwa endaweni, ukulunga, kunye nokongeza. Ukongeza i-MC kunokuphucula impahla echasene nodaka; Ukuphuculwa kwe-qubrity kunye nokufana kwamasuntswana okusasaza, yenza u-sublermating kwaye iyunifomu engaphezulu, ifuthe lentembeko kunye ne-theotong iphuculwe ngakumbi.

Isixa se-MC songezwa sinempembelelo enkulu kudaka. Xa umxholo we-MC ungaphezulu kwe-2%, amandla odaka ancitshiswa ukuya kwisiqingatha sokuqala. Inkqubo yokugcinwa kwamanzi inyuka ngokunyuka kwe-viscosity ye-MC, kodwa xa i-MC ifikelela kwixabiso elithile, ukulungiswa kwe-MC kuyancipha, ukugcinwa kwamanzi akuguquki kakhulu, kwaye ukusebenza kwamanzi kuncipha.

2.4 Ukusetyenziswa kwe-hydroxyEthylmethylcelcelcethythylcethylcethylcethylcelose

I-ether enye ineengxaki zokungahambi kakuhle, i-ageglomeration kunye nelukhuni ngokukhawuleza xa imali eyongeziweyo, kwaye uninzi luphawu lwexabiso longezwayo luphakathi; Ke ngoko, ukungasebenzi, amandla oxinzelelo, kunye namandla aguqukayo akalunganga. The on exutywe zinokwahlula iintsilelo zabanye ukuya kuthi ga kwinqanaba elithile; Isixa esongeziweyo singaphantsi kwe-theuter engatshatanga.

I-HydroxyEthylmethylcelcelcelcelcelcelseth

Ukubonakala kwe-hemc i-White, i-White-Whild-Howder okanye iGraneule, i-odorcule, ingenaxabiso, i-hygroscopic, i-inflifle emanzini ashushu. Ukupheliswa akuchaphazeli lixabiso le-pH (olufana ne-MC), kodwa ngenxa yokongezwa kwamaqela e-Hydroxyyl kwi-molecular thein, i-HMC inonyamezelo olukhulu kune-MC, kwaye inobushushu obuphezulu. I-HMC inomeleleyo lokugcina amanzi kune-MC; Ukuzinza kwe-viscofity, ukuxhathisa i-therdew, kunye nokusasazeka kunomelele kune-hec.

I-HPMC imhlophe okanye i-powder emhlophe, ingenzi bunetyhefu, engenaxabiso kwaye ingenakuphela. Ukusebenza kwe-HPMC kunye neenkcukacha ezahlukeneyo zahluke ngokupheleleyo. I-HPMC inyibilikisa emanzini ebandayo ibe sisisombululo esicacileyo okanye esincinci esincinci, inyibilikisiwe kwezinye izinyibilikisi, kwaye inyibilike emanzini. Izinyibilikisi ezixutywe zizicolongi zezinto eziphilayo, ezinjenge-ethanol kwindawo efanelekileyo, emanzini. Isisombululo se-ACTEACE sineempawu zomsebenzi omkhulu womphezulu, ukungafihli nto kunye nokusebenza ngokuzinzileyo. Ukuchithwa kwe-HPMC emanzini akuchaphazeleki yi-PH. Ukunyibilisela ukwahluka ngokubonakala kwe-viscosity, iphantsi i-viscofity, kokukhona ukonakala. Ngokuncipha kwendlela ye-InPMC Molecules, indawo ye-Gel ye-HPMC inyuka, ukuntywila kwamanzi kuncipha, kwaye umsebenzi womhlaba uyancipha. Ukongeza kwiimpawu eziqhelekileyo zabanye ii-seluplose, i-HPMC ikwanayo netyala elinetyuwa, uzinzo oluphakathi, ukunyangwa kwe-enzyme, kunye nokusasaza kakhulu.

Imisebenzi ephambili ye-HMC kunye ne-HPMC kudaka oluxubileyo zezilandelayo.①Ukugcinwa kwamanzi. I-HEMC kunye ne-HMMC inokuqinisekisa ukuba udaka aluyi kubangela iingxaki ezinjengesanti, i-powd kunye namandla okunciphisa umlo wamanzi kunye nokungaphelelanga kwesamente. Ukuphucula ukufana, ukungasebenzi kunye nemveliso yemveliso. Xa isixa se-HPMC esongeziweyo sikhulu kune-0.08%, uxinzelelo lwe-Vivest kunye noVavanyo lwePlasikini woludaka luyanda ngokunyuka kwe-HPMC.②Njengommeli ongena moya. Xa umxholo we-HEMC kunye ne-HPMC yi-0.5%, umxholo wegesi ngowona mkhulu, malunga ne-55%. Amandla okusweleka kunye namandla ecinezelayo.③Ukuphucula ukusebenza. Ukongezwa kwe-HEMC kunye ne-HPMC iququzelela ukukhangela i-tur-farhenter or kunye netyhuboka yokufa.

I-HEMC kunye ne-HMMC inokulibazisa ukuntywila kwamasuntswana, i-DS yeyona nto ibaluleke kakhulu echaphazela i-hydration, kwaye ifuthe le-PhydroxyEyTel kunye ne-hydroxypropy yomxholo.

Kuya kufuneka kuqatshelwe ukuba i-ersese isel inesiphumo esiphindwe kabini ekusebenzeni kodaka, kwaye inokudlala indima elungileyo ukuba isetyenziswe kakuhle, kodwa iya kuba nefuthe elibi ukuba lisetyenziswe ngokungafanelekanga. Ukusebenza kobuqhetseba okuxubeneyo kuqala kunxulumene nokuziqhelanisa ne-Itelise Ether, kwaye i-Ether yeSelelulose esebenzayo ikwanxulumene nezinto ezifana nexabiso kunye nolungelelwano olongezelelweyo. Kwizicelo ezisebenzayo, uhlobo olunye lwe-itelulose i-ether ingakhethiwe, okanye iintlobo ezahlukeneyo ze-targuese ether ingasetyenziswa ngokudibeneyo.

I-3. Jonga

Uphuhliso olukhawulezileyo lofa lodaka oluxubileyo lubonelela ngamathuba kunye nemiceli mngeni yokuphuhliswa nokusetyenziswa kwe-selsulose ether. Abaphandi kunye nabavelisi kufuneka balibale ithuba lokuphucula inqanaba labo lobugcisa, kwaye basebenze nzima ukonyusa iintlobo kunye nokuphucula uzinzo lwemveliso. Ngelixa ihlangabezana neemfuno zokusetyenziswa kodaka oluxubileyo, kuye kwakuphumelela umzi-mveliso we-Selese.