Iziphumo zeSelesese Telupese eTolses kwindaleko yamacandelo amanzi kunye neemveliso ze-hydication zesamente ye-Sulkoasuminate Clamela

Izinto zamanzi kunye nokuvela kulwahlulo lwendalo kwi-Ether I-Etheried Elteried Callime (CSA) ifundwe nguSlide yeNyukhwe esezantsi yenyukliya. Iziphumo zibonise ukuba emva kongezwa kwe-seluplose i-ether, i-Adysid emanzini phakathi kwendlela yokuphumla, eyayibonakaliswa njengeyona ndawo iguqukayo yethutyana. Ukongeza, i-seluplose ether icwangcise kakhulu ukutshintshiselana kwamanzi phakathi kwendlela engaphakathi kunye nezakhiwo ze-SPSA ze-CSA flocs. Nangona ukongezwa kwe-ete yeselcelose ayinasiphumo kwiintlobo zeemveliso ze-hydration zesamente ye-sulposuminate, iya kuchaphazela inani leemveliso ze-hydration yeminyaka ethile yobudala.

Amagama aphambili:I-seluplose ether; isamente ye-sulfoamonintete; amanzi; iimveliso ze-hydimer

0,Intshayelelo

I-seluplose ether, eyenziwayo ukusuka kwi-selupese yendalo ngothotho lweenkqubo, kukuphikisana nekhemikhali nelihlaza. I-Telupelose eqhelekileyo efana neMethylcelceLXEAse (MC), i-Ethylcellulose (Hec), kunye ne-HydroxyEthythylcethylcethylcethylcelose (hemc) isetyenziswa ngokubanzi kumayeza, ukwakhiwa kwamanye amashishini. Ukuthatha iHMC njengomzekelo, kunokuphucula ukugcinwa kwamanzi kunye nokungqinelana kwesamente ye-portland, kodwa kulibazise ukwenziwa kwesamente. Kwinqanaba le-microscopic, i-HMC likwanegalelo elibonakalayo kulwakhiwo lwe-Microstion kunye nesakhiwo se-pore yesamente. Umzekelo, imveliso ye-hydration ettrierite (AST) inokwenzeka ukuba ibe mfutshane, kwaye umlinganiselo wayo uphantsi; Kwangelo xesha, inani elikhulu leepores ezivaliweyo liziswa kwi-quate paste, ukunciphisa inani lokunxibelelana kwe-pores.

Uninzi lwezifundo ezikhoyo kwimpembelelo ye-seluplose Talupes kwizixhobo ezisekwe kwizixhobo ze-portland. I-Sulfinauminate ye-CATIONE (CSA) yesamente ephantsi ngokuzimeleyo eyenzekileyo kwilizwe lam ngenkulungwane yama-20, ene-calcium ye-aulciminam ye-sulciminated njengezimbiwa eziphambili. Kuba isixa esikhulu se-AST sinokuveliswa emva kokuba i-hydration, i-CSA ineengenelo zamandla okuqala, ukungathobeki okuphezulu, kwaye isetyenziswa ngokubanzi kwicandelo lekhonkrithi le-3D, kunye nokulungiswa ngokukhawuleza kumaqondo obushushu asezantsi . Kwiminyaka yakutshanje, li jian et al. bahlalutyile impembelelo ye-HMC kubukhoboka be-csa kwiimbono zamandla ecinezelayo kunye nokuxinana okumanzi; I-WU kaI et al. Funda isiphumo se-HMC kwiNkqubo ye-CSA CETE, kodwa amanzi kwisamente ye-CSA elungisiweyo ye-CSA uMthetho wezinto ezibonakalayo zamacandelo kunye nokuqulunqwa kwe-slerry ayaziwa. Ngokusekwe koku, lo msebenzi ugxile ekuhanjisweni kwexesha lokuphumla eliguqukayo (i-T2) kwi-CSA yesamente ngaphambi nasemva kokudibanisa i-HEMCY SANDY NJENGOKUFUNDA I-SUGNTION SIGNARNORK NOPHENDULA UMTHETHO WAMANZI I-Slidery. Ukuqulunqwa kokutshintsha kwe-quate kwenziwayo.

1. Uvavanyo

1.1 Izinto ezingafunekiyo

Zimbini izinto ezikhoyo ezithengiswayo ezisetyenziswayo ezisetyenziswayo zeSulfinamate, zichazwa njenge-CSA1 neCSA2, ngelahleko kwi-legtion (i-loi) engaphantsi kwe-0.5% (iqhezu le)

I-thydroxylceyl ye-hydroxylcercelcelcelses isetyenzisiwe, ezityhutyha njenge-MC1, MC2 kunye neMC3 ngokwahlukeneyo. I-MC3 ifunyenwe ngokuxuba i-5% (iqhezu le-PARANCY) (PAM) kwi-MC2.

1.2 Ukuxuba umlinganiso

Iintlobo ezintathu ze-Selesese Teltulose eTulsumose Talseuminauminauminate, iidosi yayiyi-0.1%, i-0.2% kunye ne-0.3% (efana nale ngezantsi). Umyinge wamanzi oqingqiweyo wamanzi ngu-0.6, kwaye umyinge wamandla omendo wesamente enamanzi anemisebenzi elungileyo kwaye ayikho ukopha kuvavanyo lokusebenzisa amanzi.

1.3 Indlela

Izixhobo ze-NMR ezisezantsi ezisetyenziswayo kuvavanyo yi-PQ⁃001 nuhlaly ohlalutyo ukusuka kwi-Shanghai Thansical isixhobo Coultical isixhobo somanyano yi-0.49t, iqondo lokuphumla le-proton ligcinwa lihlala lihlala lihleli kwi-32.0°C. Ngexesha lovavanyo, ibhotile yeglasi encinci equlathwe kwisampuli ye-cylindricrical yafakwa kwi-probe ye-probe yesixhobo, kwaye ulandelelwano lwe-CPMG lwalusetyenziselwa ukuqokelela uphawu lokuphumla kwesamente. Emva kokuzukudibana kweSoftware yohlalutyo, i-T2 ijikajika le-T2 ifunyenwe ngokusebenzisa i-algorithm ye-algorithm. Amanzi anezinqanaba ezahlukeneyo zenkululeko kwi-slickry aya kuphawulwa ziincopho zokuphumla eziguqukayo, kwaye indawo yokuphumla ihambelana nenani lamanzi, ngokusekwe kuhlobo lwamanzi kwi-slickry inokuhlaziywa. Ukwenzela ukuvelisa ukwamkelwa kwe-nucletic yenyukisi, kuyimfuneko ukuqinisekisa ukuba iziko le-o1 (iyunithi: khz) ye-radicancy ye-radical iyahambelana ne-magnet, kwaye i-o1 ilungelelaniswe yonke imihla ngexesha lovavanyo.

Iisampulu zahlalutywa yi-TG? I-DSC ene-st 449C idibanisa umkhuba we-nermal evela eNezzsch, eJamani. I-N2 yasetyenziswa njengemozulu yokukhusela, ireyithi yokufudumeza yayiyi-10°C / imiz, kunye noluhlu lwamaqondo obushushu aneksokhethi yayingama-30-800°C.

2. Iziphumo kunye nengxoxo

I-2.1 indaleko yamacandelo amanzi

2.1.1 Ukungafihli i-ether

Iincopho ezimbini zokuphumla (ezichazwe njenge-peokis yokuqala neyesibini) zinokubonwa ngokucacileyo kwixesha lokuphumla eliguqukayo (i-T2) i-Spectra yesamente emibini yesamente. I-peak yokuqala yokuphumla ivela ngaphakathi kwendawo yokuhlambela, enenqanaba eliphantsi lenkululeko kunye nexesha lokuphumla elinqabileyo; I-peaki yesibini yokuphumla ivela phakathi kwezakhiwo zokusetyenziswa, ezinomgangatho omkhulu wenkululeko kunye nexesha elide lokuphumla. Ngokwahlukileyo, i-T2 ihambelana nencopho yokuphumla yokuqala yezi mente ezibini iyathelekiswa, ngelixa i-Preak yesibini yokuphumla ye-CSA1 ivela kamva. Eyahlukileyo kwi-culkinauminate cliker kunye nesamente eyenza ngokwakho, ipilisi ezimbini zokuphumla ze-CSA1 kunye ne-CSA2 zigqitha kumhlaba wokuqala. Ngenkqubela phambili ye-hydration, i-piak yokuqala yokuphumla ihamba ngokuzimela, indawo leyo ngokuthe ngcembe iyancipha, kwaye iyanyamalala ngokupheleleyo malunga nemizuzu engama-90. Oku kubonisa ukuba kukho inqanaba elithile lotshintshiselwano lwamanzi phakathi kwesakhiwo seShotcyCwangcisiweyo kunye nolwakhiwo lweShotcyCaint leSwente.

Utshintsho lwendawo encotsheni ye-Peak yesibini yokuphumla kunye notshintsho lwexabiso le-T2 ehambelana ne-apex ye-piax iphawula i-apex emanzini anotshintsho lwamanzi kunye notshintsho lwenqanaba lenkululeko . Ukudityaniswa kwezi zimbini kunokukhangela ngokukhululekileyo inkqubo ye-hydrate ye-slirry. Ngenkqubela phambili ye-hydration, indawo encotsheni ngokuthe ngcembe iyancipha, kwaye utshintsho lwexabiso le-T2 ukuya ekhohlo lunyuka ngokuthe ngcembe, kwaye kukho ubudlelwane obuhambelanayo phakathi kwabo.

2.1.2 Ukongezwa kwe-Selese

Ukuthatha i-CSA2 ixutywe ne-0.3% MC2 njengomzekelo, i-T2 ye-T2 ye-reactum yesamente ye-sulpoanauminate clement emva kongeza i-ether isellulose inokubonwa. Emva kokongeza i-Itelise Ether, incama yesithathu yokuphumla emele i-adsorction yamanzi nge-Seler Sether ivele kwi-100Ms, kwaye indawo efikayo inyuke ngokukodwa.

Isixa samanzi phakathi kwezakhiwo zokubhalwa zichaphazeleka kukufuduka kwamanzi ngaphakathi kwesakhiwo seShedCwangcisi kunye ne-adsorve ye-elsulose ether. Ke ngoko, isixa samanzi phakathi kwezakhiwo zenkqubo ezinxulumene ne-pore yangaphakathi ye-Pearry kunye nomthamo we-adsorction of selet. Indawo ye-peak yesibini yokuphumla iyahluka kumxholo we-seluplose ether eyahlukileyo ngeendlela ezahlukeneyo zesamente. Indawo yokuphumla yesibini yokuphumla ye-CSA1 incipha ngokuqhubekayo ngokunyuka komxholo weselsulose, kwaye yayiyeyona incinci kwi-0.3% yomxholo. Ngokwahlukileyo, indawo yesibini yokuphumla ye-CSA2 ye-CSA2 yonyuswa ngokuqhubekayo ngokunyuka komxholo weselfowuni.

Dwelisa utshintsho lwendawo yendawo yesithathu yokuphumla ngokunyuka komxholo we-seluplose ether. Kuba indawo ye-Peak ichaphazelekile ngumgangatho wesampulu, kunzima ukuqinisekisa ukuba umgangatho wesampulu ongezelelweyo uyafana xa ulayisha isampulu. Ke ngoko, umlinganiselo womlinganiso wengingqi usetyenziselwa ukubonakalisa ubungakanani besayizi ye-incopho yesithathu yokuphumla kwiisampulu ezahlukeneyo. Ukusuka kutshintsho lwendawo yokuphumla kwendawo yesithathu yokuphumla ngokunyuka komxholo we-seluplose, kunokubonwa oko ngokunyuka komxholo we-seluplose ether, indawo ye-piating yesithathu ebonisiweyo (ngaphakathi I-CSA1, xa umxholo we-MC1 wayeyi-0.3%, yayingaphezulu kwendawo yokuphumla yokuphumla incipha kancinci kwi-0.2%), ebonisa ukuba ukunyuka komxholo we-Teluplose, amanzi akwaziyo ukuba anyuke kancinci. Phakathi kwe-CSA1 i-CSA1, i-MC1 yayinomtsalane ongcono wamanzi kuneMC2 kunye neMC3; Ngexesha phakathi kwe-CSA2, i-MC2 yayinolwazi olufanelekileyo lwamanzi.

Ingabonwa kutshintsho lwendawo ye-Peak yesithathu yeyunithi ye-CSA2 ye-CSA ihamba nge-0.3% ye-ITER ye-Ether i-Ether incipha ngokuqhubekayo nge-hydration, ebonisa Oko kuba i-CYDDER ye-CSA2 ihamba ngokukhawuleza kuneso seTeker kunye ne-Eate yeZenzo, i-Selersese I-Ether ayinalo ixesha lokuqhubeka konyuso lweSigaba seSigaba soLwandle kwi-slicry. Ukongeza, i-adsornimed yamanzi ye-MC2 yomelele kune-MC1 kunye neMC3, ehambelana nesigqibo esidlulileyo. Ingabonwa kutshintsho lwendawo ye-Peak kwicandelo le-COST le-CSA1 le-CSA1 le-CLYULOSE I-CALK1 yahlukile kule csa2, kwaye Indawo ye-CSA1 yonyusa ngokufutshane kwinqanaba lokuqala le-hydration. Emva koko sanda ngokukhawuleza, inciphile ukuba inyamalale, enokubangelwa lixesha elide leCSA1. Ukongeza, i-CSA2 iqulethe i-gypsum engaphezulu, i-hydration kulula ukwenza okungakumbi (i-3cao al23 3 I-3H24 32H24 4O), itya ireyithi yamanzi ayigqithanga i-itelulose ether, enokukhokelela kwi indawo yendawo yesithathu yokuphumla kwe-CSA2 i-clark iqhubeke ihla.

Emva kokubandakanywa kweTelupelose Ether, i-peokis yokuqala neyesibini yokuphumla nayo itshintshe ukuya kuthi ga kwinqanaba elithile. Ingabonwa kububanzi be-peak yencopho yesibini yokuphumla yeentlobo ezimbini zesamente kunye ne-sliurry entsha emva kokongeza i-Ether ye-Teak ukuba i-Teak yesibini ye-Sleurry yahlukile emva kongeza i-tartuse. Ukunyusa, imilo ye-piaki ithanda ukuba isayekele. Oku kubonisa ukuba ukufakwa kwe-etelsese i-Ether ethintela i-Ageglomeration ye-Ageglomeraments ukuya kuthi ga kwinqanaba elithile, yenza ukuba i-Squacuccuction isuswe ngokufanelekileyo, ibuthathaka inqanaba lenkululeko yamanzi phakathi kwezakhiwo zokuhamba. Nangona kunjalo, ngokunyuka komthamo, ukunyuka kobubanzi be-peak akubonakali, kwaye ububanzi be-peak kwezinye iisampulu zinciphise. Kusenokwenzeka ukuba ukwanda kwedosi kunyusa iSigaba soLwandle sesilayidi, kwaye kwangaxeshanye, i-adsorvose ye-selsulose i-ethersus kwi-cescument yesamente iphuculwe ukubangela ukusetyenziswa. Inqanaba lenkululeko yokufuma phakathi kwezakhiwo incitshisiwe.

Isisombululo sinokusetyenziselwa ukuchaza inqanaba lokwahlukana phakathi kwe-peokis yokuqala neyesibini. Inqanaba lokwahlukana lingabalwa ngokwenqanaba lesisombululo = (i-Aadd-Aaddle) / yenani le-ANADDE, apho i-ANADTE) ibonisa i-piak elona nqanaba liphantsi lolona nqanaba liphantsi, ngokulandelelana. Inqanaba lokwahlukana lingasetyenziselwa ukufaka inqanaba lokutshintshiselana kwamanzi phakathi kwesakhiwo seSlicry Syccurry kunye nesakhiwo seentyatyambo, kwaye ixabiso liyi-0-1. Ixabiso eliphezulu lokwahlula libonisa ukuba la malungu amabini amanzi kunzima kakhulu ukutshintshiselana, kwaye ixabiso elilingana ne-1 libonisa ukuba iinxalenye ezimbini zamanzi azinakutshintshiselana konke konke.

Ingabonwa kwiziphumo zokubala i-quenti yokwahlulahlulahlulwa kwezinto ezimbini ezahluliweyo ngaphandle kongeza i-ete ye-tartuse ilingana ngokulinganayo emva kongeza i-ether. Kwelinye icala, isigqibo sinciphisa ngakumbi ukonyuka kwedosi, kunye nokusonjululwa kwezi zincopho zimbini ukuya kwi-CSA2 ixutywe nge-CALTOSE ikhuthaze kakhulu i-selser engaphakathi kwaye phakathi kwe Izakhiwo zokuhamba. Ngokusekwe kwinto yokuba ukufakwa kwe-ether selsulose i-orteral ayinampembelelo kwisikhundla kunye nendawo yokuphumla okokuqala, inokucinga ukuba ukwehla kwesisombululo sendlela yokuphumla, kwaye Isakhiwo seSocation esivulekileyo senza ukuba utshintshiselwano lwamanzi phakathi ngaphakathi nangaphandle ngokulula. Ukongeza, ukugqobhoza kwe-ether setesulose kwi-slourry yesakhiwo esongezelelweyo kuphucula inqanaba lokutshintshiselana kwamanzi phakathi nangaphandle kwesakhiwo seSoftwanti. Kwelinye icala, isiphumo sokuncitshiswa kwesigqibo se-IstUlose kwi-CSA2 inamandla kune-CSA1, enokubangelwa yindawo encinci yomphezulu we-CSA2, enobuthathaka kakhulu kwi-CSALINEE ETER EMVA KOKUGQIBELA ukubandakanya.

2.2 UTSHINTSHO LWEZOBUCHULE

Ukusuka kwi-TG-DTG ye-TGG ye-CSA1 kunye ne-CSA2 i-sutod i-90 min, i-150 imiz, i-10 yemizuzu, inokubonwa ukuba iintlobo zeemveliso ze-hidlore azitshintshi i-etel, kwaye i-AHM kunye ne-AHM kunye ne-AH3 zazikho konke yenziwe. Uncwadi lubonisa ukuba uluhlu lwezinto eziphezulu ze-AST yi-50-120°C; Uluhlu lwezinto eziphezulu ze-AFM yi-160-20°C; Uluhlu lwezinto zokulahla le-AH3 lungama-220-300°C. Ngenkqubela phambili ye-hydration, ukuphulukana nobunzima besampulu ngokuthe ngcembe, kwaye i-AHM kunye ne-AFM kunye ne-AHM kunye ne-Ah3 ngokuthe ngcembe yanda, ibonisa ukuba imizi yeemveliso ezintathu ziye zanda.

Ukusuka kwiqhezu le-hydration yemveliso nganye kwisampuli ye-hydration yeminyaka, kunokubonwa ukuba isampulu ye-1D ingaphezulu kwe-Telulose Ether, ebonisa ukuba i-etel sether ineempembelelo enkulu i-hydration ye-surry emva kokudibana. Kukho isiphumo esithile. Kwimizuzu engama-90, ukuveliswa kwe-AFM kwiisampuli ezintathu kuhlala kunjalo; Kwimizuzu engama-90-150, ukuveliswa kwe-AFM kwisampulu engenanto kwacotha kakhulu kunelinye lamaqela amabini eesampulu; Emva kosuku olu-1, umxholo we-AFM kwisampulu engenanto kwakufana nesampulu exutywe neMC1, kunye nomxholo we-MC2 wesampulu ye-MC1 yayiphantsi kwezinye iisampulu. Imveliso ye-hydration Ah3, isigaba sokuvelisa isampulu ye-CSA1 emva kokuba i-hydration icothise kakhulu, kodwa izinga lokuvelisa lalihamba ngokukhawuleza emva koko iisampulu ezintathu yayilingana ngosuku olu-1.

Emva kokuba i-CSA2 Slurry yayiyenzelwe i-90min kwaye i-150min, isixa se-AFT sixutyle i-selsulose i-Eterose yayinefuthe eliqinisekileyo le-CSA2. Kwiisampulu kwiminyaka eyi-1D, kwafunyaniswa ukuba umxholo we-AFT isampulu yesampulu yayingaphezulu kuneso siphumo esixutywe ne-IstUlose Ether, ebonisa ukuba i-Elersese i-Ether isemva kwe-CSA2 emva kokusekwa kwe-CSA, Kwaye inqanaba lokubuyiswa kwi-MC2 likhulu kuneso sesampulu yongezwa nge-selulose ether. Mc1. Kwimizuzu engama-90, isixa se-AH3 esiveliswa yisampulu engenanto yayingaphantsi kancinci kunesampulu exutywe ne-selulose ether; Kwimizuzu eli-150, i-AH3 iveliswe yisampulu engenanto yadlula eyisampulu exutywe ne-ether iseti; Ngomhla we-1, i-AH3 iveliswe ziisampulu ezintathu zayalingana.

3. Ukuqukumbela

. Emva kokubandakanywa kwe-Teluplose Ether, i-Selese I-Ether i-adarbs amanzi kwi-slicry, ebonakaliswa njengeyona nto iphambili yokuphumla kwexesha lokuphumla (T2) spectrum. Ngokwanda komxholo we-seluplose ether, ukufunxa kwamanzi kwe-Seles seluplose I-Ether, kunye nendawo yokuphumla kwesithathu yokuphumla. Amanzi athatyathwa nge-ertuse they ther kutsho ngokuthe ngcembe kwisakhiwo seSoccull kunye ne-hydication ye-slickry.

. Kwaye ngokunyuka komxholo, iSigaba seSigaba seSigaba soLwandle sokwanda kwesilayidi, kwaye i-Ether SetheE inesiphumo esiphezulu kwi-ceamentsungs. Iziphumo zokuphucula i-apploption zinciphisa inqanaba lenkululeko yamanzi phakathi kwezakhiwo ezibini.

. Kodwa i-Selesese i-ether lizibazise kancinci ukwenziwa kweemveliso ze-hydication.