Iselulosi etheryenziwe nge-cellulose nge-etherification reaction kunye ne-etherification enye okanye ezininzi kunye nokusila okomileyo. Ngokweendlela ezahlukeneyo zeekhemikhali ze-ether substituents, i-cellulose ethers inokwahlulwa ibe yi-anionic, i-cationic, kunye ne-ethers engekho ionic. Ionic cellulose ethers ikakhulu ibandakanya carboxymethyl cellulose ethers (CMC); Ii-non-ionic cellulose ethers ikakhulu ziquka imethyl cellulose ether (MC), ihydroxypropyl methyl cellulose ether (HPMC), kunye ne-hydroxyethyl cellulose ether (HC). Ii-ether ezingezizo i-ionic zohlulwa kwakhona zibe zii-ethers ezinyibilikayo emanzini kunye ne-oyile enyibilikayo, kwaye zisetyenziswa ikakhulu kwiimveliso zodaka. Xa kukho i-calcium ion, i-ionic cellulose ether ayizinzanga, ngoko ke ayifane isetyenziswe kwimveliso yodaka eyomileyo exutywe nesamente, i-hydrated lime, kunye nezinye izinto zesamente. Ii-ether ze-cellulose ezingenayo i-ionic zamanzi zisetyenziswa ngokubanzi kwishishini lezinto zokwakha ngenxa yokuzinza kwazo kunye nokugcinwa kwamanzi.
1. Iimpawu zekhemikhali ze-cellulose ether
I-ether yeselulosi nganyeinesakhiwo esisisiseko se-cellulose - i-dehydrated structure ye-glucose. Kwinkqubo yokuvelisa i-cellulose ether, iifiber ze-cellulose ziqala ukufudumeza kwisisombululo se-alkali, kwaye emva koko ziphathwe nge-etherification agents. Iimveliso ze-fibrous reaction ziyahlanjululwa kwaye zicolwe ukwenza umgubo ofanayo kunye nokucolwa okuthile.
Ngethuba lenkqubo yokuvelisa i-MC, i-methane chloride kuphela isetyenziswa njenge-etherifying agent; Ukongeza ekusebenziseni i-methane chloride kwimveliso yeHPMC, i-epoxy propylene iphinda isetyenziswe ekufumaneni i-hydroxypropyl substituents. Iintlobo ezahlukeneyo ze-cellulose ethers zinemilinganiselo eyahlukileyo ye-methyl kunye ne-hydroxypropyl, echaphazela ukunyibilika kwe-organic yesisombululo se-cellulose ether kunye nobushushu bejeli ye-thermal kunye nezinye iipropati.
2. Iimeko zokusetyenziswa kwe-cellulose ether
Iselulosi etheryi-non-ionic semi synthetic polymer eneempawu ezinyibilikayo emanzini kunye ne-solvent-based, kwaye iziphumo zayo ziyahluka kumashishini ahlukeneyo. Umzekelo, kwizinto zokwakha iikhemikhali, zineempembelelo ezidibeneyo zilandelayo:
① Umenzeli ogcina amanzi ② Thickener ③ Ipropathi yomgangatho ④ Ipropathi yokwenza ifilimu ⑤ Ukuncamathelisa
KwiI-PVCishishini, liyi-emulsifier kunye ne-dispersant; Kwishishini lamachiza, i-cellulose luhlobo lwe-binder kunye ne-slow-release framework material, kwaye ngokuchanekileyo ngenxa yokuba ineempembelelo ezininzi ezidibeneyo, imimandla yesicelo sayo nayo ininzi kakhulu. Ngezantsi, siya kugxininisa kwiindlela zokusetyenziswa kunye nemisebenzi ye-cellulose ether kwizinto ezahlukeneyo zokwakha.
(1) Kwipeyinti yelatex:
Kwishishini lepeyinti ye-latex, kuyimfuneko ukukhethai-hydroxyethyl cellulose. Inkcazo ngokubanzi ye-viscosity elinganayo yi-RT30000-5000cps, ehambelana neenkcukacha ze-HBR250. Idosi yereferensi ngokubanzi ijikeleze i-1.5 ‰ -2 ‰. Indima ephambili ye-hydroxyethyl kwipeyinti ye-latex kukuqina, ukuthintela ijeli ye-pigment, igalelo kwi-pigment dispersion, ukuzinza kwe-latex, ukuphucula i-viscosity yamacandelo, kunye negalelo ekusebenzeni komgangatho wokwakha: i-hydroxyethyl cellulose kulula ukuyisebenzisa, enokuthi inyibilike ngaphakathi. amanzi abandayo kunye namanzi ashushu, kwaye akachatshazelwa lixabiso le-PH. Ingasetyenziswa ngokukhuselekileyo phakathi kwexabiso le-PI 2-12. Ezi ndlela zintathu zilandelayo zisetyenzisiweyo: I Ukongeza ngokuthe ngqo kwimveliso: Le ndlela kufuneka ikhethe i-hydroxyethyl cellulose uhlobo lokulibaziseka, kunye nexesha lokuchithwa elingaphezu kwemizuzu engama-30. Amanyathelo okusebenzisa ngala alandelayo: ① Faka umyinge wobungakanani bamanzi acocekileyo kwisikhongozelo esifakwe isivuvuvuvu esikhulu; ② Qala ukuvuselela ngesantya esiphantsi ngaphandle kokuyeka, Kwangaxeshanye, kancinci kwaye ngokulinganayo yongeza i-hydroxyethyl kwisisombululo. ③ Qhubeka ushukumisa de yonke imathiriyeli yamasuntswana imanzi. ④ Yongeza ezinye izongezo kunye ne-alkaline. ⑤ Gxuma de yonke i-hydroxyethyl inyibilike ngokupheleleyo. Emva koko yongeza amanye amacandelo kwifomula kwaye ugaye de kube yimveliso egqityiweyo. II. Ukulungiswa kotywala kamama ukuze kusetyenziswe: Le ndlela ingakhetha uhlobo olukhawulezayo kwaye inefuthe elichasayo lokungunda kwiselulosi. Inzuzo yale ndlela kukuba inokuguquguquka okukhulu kwaye inokongezwa ngokuthe ngqo kwipeyinti ye-latex. Indlela yokulungiselela iyafana namanyathelo ① ukuya ④. III. Ukulungiswa kweCongee njengezinto eziza kusetyenziswa kwixesha elizayo: Kuba izinyibilikisi zendalo zizinyibilikisi ezimbi (ezingenakunyibilika) kwi-hydroxyethyl, ezi zinyibilikisi zingasetyenziselwa ukulungisa iCongee njengezinto. Eyona nto isetyenziswa ngokuqhelekileyo i-solvent ye-organic liquid yi-organic liquid in the formula ye-emulsion paint, njenge-ethylene glycol, i-propylene glycol kunye ne-agent eyenza ifilimu (njenge-diethylene glycol butyl acetate). I-Congee efana ne-hydroxyethyl cellulose inokongezwa ngokuthe ngqo kwipeyinti, kwaye emva koko iqhubeke ivuselela de inyibilike ngokupheleleyo.
(2) Ekukrweleni iputty eludongeni:
Okwangoku, i-putty ehambelana nokusingqongileyo ekwaziyo ukumelana namanzi kunye nokukhuhla iye yaxatyiswa ngokusisiseko kwizixeko ezininzi zaseTshayina. Kwiminyaka embalwa edlulileyo, ngenxa yokukhutshwa kwegesi ye-formaldehyde kwi-putty eyenziwe nge-adhesive yesakhiwo, eyonakalisa impilo yabantu, i-adhesive yokwakha yalungiswa yi-acetal reaction ye-polyvinyl alcohol kunye ne-formaldehyde. Ngoko ke le mpahla ikhutshwa ngokuthe ngcembe ngabantu, kwaye indawo yesi sixhobo yimveliso ye-cellulose ether series, oku kuthetha ukuphuhlisa izinto zokwakha ezihambelana nokusingqongileyo. I-cellulose ngoku kuphela kwezinto ezikhoyo. Kwi-putty enganyangekiyo emanzini, inokwahlulwa ibe ziindidi ezimbini: iputty eyomileyo kunye ne-putty paste. Ngokubanzi, i-methyl cellulose elungisiweyo kunye ne-hydroxypropyl methyl zikhethwa njengeentlobo ezimbini ze-putty, kwaye ukucaciswa kwe-viscosity ngokubanzi kuphakathi kwe-30000-60000 cps. Umsebenzi ophambili we-cellulose kwi-putty kukugcina amanzi, ibhondi kunye ne-lubricate. Ngenxa yeefomyula ezahlukeneyo ze-putty zabavelisi abahlukeneyo, ezinye ziyi-calcium engwevu, i-calcium ekhanyayo, i-samente emhlophe, njl., ngelixa ezinye ziyi-gypsum powder, i-calcium engwevu, i-calcium ekhanyayo, njl. iifomyula ezimbini nazo zahlukile, kunye nesixa sokudibanisa ngokubanzi malunga ne-2 ‰ -3 ‰. Kulwakhiwo lwe-putty eludongeni olukhuhlayo, ngenxa yokufunxwa kwamanzi athile kwisiseko sodonga (isantya sokufunxa amanzi kwiindonga zezitena yi-13%, kunye nesantya sokufunxa amanzi kwikhonkrithi yi-3-5%), idityaniswa nangaphandle. ukuvela kwe-evaporation, ukuba i-putty ilahlekelwa ngamanzi ngokukhawuleza, iya kubangela iintanda okanye i-powder peeling, kwaye ngaloo ndlela yenza buthathaka amandla e-putty. Ngoko ke, ukongeza i-cellulose ether kuya kusombulula le ngxaki. Nangona kunjalo, umgangatho wezinto zokuzalisa, ngakumbi umgangatho we-gray calcium, nawo ubaluleke kakhulu. Ngenxa ye-viscosity ephezulu ye-cellulose, iphinda iphucule i-buoyancy ye-putty, inqande ukudilika ngexesha lokwakha, kwaye ikhululekile kwaye igcina umsebenzi wokukhuhla. I-cellulose ether kwi-powder putty kufuneka yongezwe kwi-factory ngokufanelekileyo. Ukuveliswa kunye nokusetyenziswa kwayo kukulungele, kwaye izinto zokuzalisa kunye nezongezo zingaxutywa ngokulinganayo kunye nomgubo owomileyo. Ulwakhiwo lukwalula, kwaye ukuhanjiswa kwamanzi kwindawo ekhoyo kuxhomekeke ekubeni angakanani na asetyenziswayo.
(3) Udaka lwekhonkrithi:
Ngodaka lwekhonkrithi, ukufezekisa ngokwenene amandla okugqibela, kuyimfuneko ukucoca ngokupheleleyo i-samente. Ngokukodwa ekwakhiweni kwehlobo, xa ukulahleka kwamanzi kwi-concrete mortar kukhawuleza kakhulu, amanyathelo apheleleyo okuhambisa amanzi athathwayo ukuze kugcinwe kwaye kufezwe amanzi. Le ndlela ibangela inkunkuma yobutyebi bamanzi kunye nokuphazamiseka ekusebenzeni, kwaye isitshixo kukuba amanzi aphezu komhlaba kuphela, ngelixa i-hydration yangaphakathi ingaphelelanga. Ngoko ke, isisombululo sale ngxaki:, Ukongeza ii-agent ezisibhozo zokugcina amanzi kwi-cellulose kwikhonkrithi yodaka ngokubanzi ukhetha i-hydroxypropyl methyl okanye i-methyl cellulose, kunye neenkcukacha ze-viscosity ukusuka kwi-20000 ukuya kwi-60000 cps kunye nesixa esongezelelweyo se-2% ukuya kwi-3%. Ukujikeleza, izinga logcino lwamanzi linokunyuswa liye ngaphaya kwama-85%. Indlela yokusetyenziswa kwikhonkrithi yodaka kukuxuba umgubo owomileyo ngokulinganayo uze ugalele amanzi emlonyeni.
4
Ngophuhliso olukhawulezayo lweshishini lokwakha, imfuno yezinto ezintsha zokwakha nayo iyanda imihla ngemihla. Ngenxa yokwanda kolwazi lokukhuselwa kwendalo kunye nokuphuculwa okuqhubekayo kobuchule bokwakha, iimveliso ze-gypsum zesamente ziphuhliswe ngokukhawuleza. Okwangoku, iimveliso ze-gypsum eziqhelekileyo ziquka i-gypsum, i-gypsum edibeneyo, i-gypsum edibeneyo, i-tile binder, njl. Iindonga ezisetyenziselwa ukubethelwa zincinci kwaye zihamba kakuhle, ngaphandle kokukhupha umgubo kunye nokubambelela ngokuqinileyo kwisiseko, ngaphandle kokuqhekeka okanye ukucima, kunye nomsebenzi wokukhusela umlilo; I-Gypsum edibeneyo luhlobo olutsha lwesibophelelo sebhodi yokukhanya, eyenziwe kwi-gypsum njengesiseko semathiriyeli kwaye yongezwa ngezongezo zamandla ezahlukeneyo. Ilungele ukudityaniswa phakathi kwezixhobo ezahlukeneyo zodonga lolwakhiwo lwendalo kwaye ineempawu zokungabi natyhefu, ezingenavumba, amandla okuqala, ukusetwa okukhawulezayo, kunye nokuqina okuqinileyo. Yizinto ezixhasayo kwibhodi yokwakha kunye nokwakhiwa kwebhloko; I-Gypsum joint filler yinto yokuzalisa izikhewu phakathi kweebhodi ze-gypsum, kunye nokulungisa ukulungiswa kweendonga kunye nokuqhekeka. Ezi mveliso zegypsum zinemisebenzi eyahlukeneyo. Ukongeza kwi-gypsum kunye neefayili ezinxulumene nazo, umba ophambili kukuba izongezo ze-cellulose ether ezongeziweyo zidlala indima enkulu. Ngenxa yokuba i-gypsum ihlukaniswe kwi-gypsum ye-anhydrous kunye ne-hemihydrate gypsum, iintlobo ezahlukeneyo ze-gypsum zineempembelelo ezahlukeneyo ekusebenzeni kwemveliso. Ke ngoko, ukutyeba, ukugcinwa kwamanzi, kunye nokubuyiswa komgangatho kumisela umgangatho wezinto zokwakha zegypsum. Ingxaki eqhelekileyo ngezi zixhobo i-hollowing kunye nokuqhekeka, kwaye amandla okuqala awanakufikelelwa. Ukuyicombulula le ngxaki, kuyimfuneko ukukhetha imodeli ye-cellulose kunye nendlela yokusetyenziswa kwe-composite ye-retarders. Kulo mba, i-methyl okanye i-hydroxypropyl methyl ikhethwa ngokubanzi njenge-30000 ukuya kwi-60000 cps, kunye nenani elongezelelweyo le-1.5% -2%. Phakathi kwazo, i-cellulose igxile kugcino lwamanzi, ukuncipha, kunye neempawu zokuthambisa. Nangona kunjalo, akunakwenzeka ukusebenzisa i-cellulose ether njenge-retarder kule nkqubo, kwaye kuyimfuneko yokongeza i-citric acid retarder ukuxuba kunye nokuyisebenzisa ngaphandle kokuchaphazela amandla okuqala. Izinga logcino lwamanzi lubhekisa kubungakanani belahleko yamanzi endalo ngaphandle kokufunxwa kwamanzi ngaphandle. Ukuba udonga lomile, ukuxutywa kwamanzi kunye nokunyuka kwemvelo kwendawo yesiseko kubangela ukuba izinto zilahlekelwe ngamanzi ngokukhawuleza, okuza kubangela ukugoba kunye nokuqhekeka. Le ndlela yokusetyenziswa kukuxuba umgubo owomileyo. Ukuba ulungiselela isisombululo, nceda ubhekisele kwindlela yokulungisa isisombululo.
(5) Udaka lwe-insulation
Udaka lwe-insulation luhlobo olutsha lwezixhobo zokugquma eludongeni lwangaphakathi kummandla osemantla, oluludonga oluhlanganiswe ngezinto zokugquma, udaka, kunye nokuncamathelisa. I-Cellulose idlala indima ephambili ekudibaniseni nasekunyuseni amandla kule nto. Ngokuqhelekileyo, i-methyl cellulose ene-viscosity ephezulu (malunga ne-10000eps) ikhethiwe, kwaye umthamo uphakathi kwe-2 ‰ -3 ‰. Indlela yokusetyenziswa kukuxuba umgubo owomileyo.
(6) I-arhente yobuso
I-arhente yojongano kufuneka ibeHPMCI-20000 cps, kunye ne-adhesive yeethayile kufuneka ibe ngaphezu kwe-60000 cps. Kwi-agent ye-interface, ingqwalasela kufuneka ibe kwi-ejenti yokuqina, enokuphucula amandla okuqina kunye nokumelana notolo. Faka i-agent egcina amanzi kwi-bonding yeethayile ukuthintela ukuwa ngokukhawuleza ngenxa yokulahlekelwa kwamanzi.
3. Imeko yekhonkco loshishino
(1) Ushishino oluphezulu
Eyona imathiriyeli ekrwada efunekayo ekuvelisenii-cellulose etherzibandakanya umqhaphu osulungekisiweyo (okanye i-pulp yamaplanga) kunye nezinye izinyibilikisi zemichiza ezisetyenziswa ngokuqhelekileyo, ezifana ne-epoxy propane, i-chloromethane, i-alkali yolwelo, i-alkali yeflake, i-ethylene oxide, i-toluene, kunye nezinye izinto ezincedisayo. Amashishini anyukayo kolu shishino aquka amashishini okuvelisa umqhaphu ocokisiweyo kunye nenkuni, kunye namanye amashishini emichiza. Ukuguquguquka kwamaxabiso ezinto eziphambili ezikhankanywe ngasentla kuya kuba neempembelelo ezahlukeneyo kwiindleko zokuvelisa kunye nexabiso lokuthengisa i-cellulose ether.
Iindleko zekotoni esulungekileyo ziphezulu. Ukuthatha izinto zokwakha zebakala le-cellulose ether njengomzekelo, ngexesha lokunika ingxelo, umyinge weendleko zomqhaphu osulungekileyo kwiindleko zentengiso yezinto zokwakha zebakala le-cellulose ether yi-31.74%, 28.50%, 26.59%, kunye ne-26.90%, ngokulandelanayo. Ukuguquguquka kwamaxabiso ekotoni asulungekileyo kuya kuchaphazela ixabiso lemveliso ye-cellulose ether. Eyona mathiriyeli ekrwada yokuvelisa umqhaphu osulungekileyo yi-cotton linter. I-cotton linter yenye yeemveliso eziphuma kwinkqubo yokuvelisa umqhaphu, esetyenziswa ikakhulu ukuvelisa iimveliso ezifana necotton pulp, umqhaphu osulungekileyo, kunye ne-nitrocellulose. Kukho umehluko omkhulu kwixabiso lokusetyenziswa kunye nokusetyenziswa kwe-cotton linter kunye nekotoni, kwaye amaxabiso abo aphantsi kakhulu kunezomqhaphu, kodwa kukho ukulungelelaniswa okuthile kunye nokuguquguquka kwamaxabiso ekotoni. Ukuguquguquka kwexabiso le-cotton linter kuya kuchaphazela ixabiso lekotoni ecocekileyo.
Ukuguquguquka okukhulu kumaxabiso ekotoni asulungekileyo kuya kuba neempembelelo ezahlukeneyo kulawulo lweendleko zemveliso, amaxabiso emveliso, kunye nenzuzo yamashishini kweli shishini. Kumxholo wamaxabiso aphezulu womqhaphu osulungekisiweyo kunye namaxabiso aphantsi ngokwentelekiso kwintlama yeenkuni, ukuze kuncitshiswe iindleko, intlama yeenkuni ingasetyenziselwa indawo kunye nokongeza umqhaphu osulungekisiweyo, ngakumbi ukuvelisa i-cellulose ethers kunye ne-viscosity esezantsi efana neyeza kunye nokutya. umgangatho we-cellulose ethers. Ngokutsho kwedatha yewebhusayithi yeNational Bureau of Statistics, ngo-2013, indawo yokutyala umqhaphu yaseTshayina yayiziihektare eziyi-4.35 yezigidi, kwaye imveliso yomqhaphu yelizwe yayiziitoni eziyi-6.31 yezigidi. Ngokweenkcukacha-manani ze-China Cellulose Industry Association, ngo-2014, imveliso epheleleyo yomqhaphu ocociweyo ngamashishini amakhulu asekhaya asulungekileyo emveliso yomqhaphu yayiyi-332000 yeetoni, kunye nokubonelela okwaneleyo kwempahla ekrwada.
Izinto eziphambili zokuvelisa izixhobo zemichiza ezisekelwe kwigraphite yintsimbi kunye nekhabhoni yegraphite. Ixabiso lentsimbi kunye ne-graphite carbon akhawunti kwinani eliphezulu lexabiso lemveliso yezixhobo zemichiza yegraphite. Ukuguquguquka kwexabiso kwezi zixhobo zekrwada kuya kuba neempembelelo ezithile kwiindleko zemveliso kunye nexabiso lokuthengisa lezixhobo zemichiza yegraphite.
(2) Imeko yoshishino lwe-ether cellulose ezantsi
Iselulosi ether, njenge "industrial monosodium glutamate", inomlinganiselo ophantsi wezongezo kunye noluhlu olubanzi lwezicelo, kunye namashishini asezantsi asasazeke kumashishini ahlukeneyo oqoqosho lwelizwe.
Ngokuqhelekileyo, ulwakhiwo olusezantsi kunye noshishino lwezindlu nomhlaba luya kuba nefuthe elithile kwizinga lokukhula kwemfuno yezinto zokwakha zebakala le-cellulose ether. Xa isantya sokukhula kolwakhiwo lwasekhaya kunye noshishino lwezindlu nomhlaba lukhawuleza, imfuno yezinto zokwakha ibakala le-cellulose ether kwimarike yasekhaya ikhula ngokukhawuleza. Xa izinga lokukhula kolwakhiwo lwasekhaya kunye nemizi-mveliso ye-real estate iyancipha, imfuno yezinto zokwakha ibakala le-cellulose ether kwimarike yasekhaya iya kuthotha, okwenza ukhuphiswano kweli shishini lube lukhulu kwaye lukhawulezise inkqubo yokusinda kwamashishini kweli shishini. .
Ukusukela ngo-2012, kumxholo wokucotha kolwakhiwo lwasekhaya kunye namashishini ezindlu nomhlaba, akukho tshintsho lubalulekileyo kwimfuno yezinto zokwakha zebakala le-cellulose ether kwimarike yasekhaya. Ezona zizathu ziphambili zezi: okokuqala, isikali esipheleleyo sokwakhiwa kwasekhaya kunye nemizi-mveliso ye-real estate inkulu, kwaye imfuno yemarike iyonke inkulu kakhulu; Imakethi ephambili yabathengi yolwakhiwo lwe-cellulose ether yezinto zokwakha iye yanda ngokuthe ngcembe ukusuka kwimimandla ephuhliswe ngokwezoqoqosho kunye nezixeko ezikwinqanaba lokuqala nelesibini ukuya kwimimandla esembindini nakwintshona kunye nezixeko ezikwinqanaba lesithathu, ukwandisa amandla kunye nendawo yokukhula kwemfuno yasekhaya; I-2, Imali eyongeziweyo ye-ether ye-cellulose ibeka umlinganiselo ophantsi wexabiso lezinto zokwakha, kwaye isixa esisetyenziswa ngumthengi omnye sincinci. Abathengi basasazekile, ezinokuvelisa ngokulula imfuno engqongqo. Iimfuno ezipheleleyo kwimarike esezantsi zizinzile; 3, Utshintsho kwixabiso lemarike yinto ebalulekileyo echaphazela ubume bemfuno yezinto zokwakha umgangatho we-cellulose ether. Ukususela ngo-2012, ixabiso lezinto zokwakha i-ether cellulose grade liye lehla kakhulu, libangela ukwehla okukhulu kwamaxabiso phakathi ukuya kwimveliso ephezulu, ukutsala abathengi abaninzi ukuba bathenge kwaye bakhethe, ukwandisa imfuno yemveliso ephakathi ukuya kwi-high-end, kwaye ukucudisa imfuno yemarike kunye nendawo yexabiso lemveliso yemodeli eqhelekileyo.
Inqanaba lophuhliso kunye nesantya sokukhula kweshishini loxubo mayeza liya kuchaphazela imfuno yenqanaba loxubo lwe-cellulose ether. Ukuphuculwa komgangatho wokuphila kwabantu kunye nophuhliso lweshishini lokutya luncedo ekuqhubeni imfuno yentengiso yebakala lokutya le-cellulose ether.
6. Indlela yophuhliso ye-cellulose ether
Ngenxa yokwahlukana kwesakhiwo kwimfuno yemarike ye-cellulose ether, kuye kwavela imeko apho amashishini anamandla ahlukeneyo angakwazi ukuhlala kunye. Ukusabela kulwahlulo olucacileyo lolwakhiwo lwemfuno yentengiso, abavelisi be-ether baselulose basekhaya baye bamkela iindlela zokukhuphisana ezahlukanisiweyo ezisekelwe kumandla abo, ngelixa bebambe ngokufanelekileyo intsingiselo yophuhliso kunye nesikhokelo semarike.
(1) Ukuqinisekisa ukuzinza komgangatho wemveliso kuya kuhlala kuseyeyona ndawo iphambili yokhuphiswano kumashishini e-cellulose ether.
Iselulosi etherIbalelwa kumlinganiselo omncinci weendleko zemveliso kumashishini amaninzi asezantsi kolu shishino, kodwa inempembelelo ebalulekileyo kumgangatho wemveliso. Iqela labathengi abakwizinga eliphezulu kufuneka lijonge imifuniselo yefomula phambi kokusebenzisa uphawu oluthile kunye nemodeli ye-cellulose ether. Emva kokwenza ifomyula ezinzileyo, ngokuqhelekileyo akulula ukutshintsha iimveliso ezivela kwezinye iimpawu, kwaye iimfuno eziphezulu nazo zibekwe kwizinga lokuzinza kwe-cellulose ether. Lo mcimbi ugqame ngakumbi kwiinkalo eziphakamileyo ezifana namashishini asekhaya nakwamanye amazwe amakhulu okuvelisa izinto zokwakha, ii-excipients zamachiza, izongezo zokutya, i-PVC, njl. iibhetshi ze-cellulose ether ezibonelelwayo zinokugcinwa ixesha elide, ukuze zenze igama elihle lemarike.
(2) Ukuphucula umgangatho weteknoloji yesicelo semveliso yindlela yophuhliso lwamashishini e-ether cellulose yasekhaya
Ngobuchwephesha obukhulayo bemveliso ye-cellulose ether, inqanaba eliphezulu letekhnoloji yesicelo iluncedo kumashishini ukukhulisa ukukhuphisana kwawo okubanzi kunye nokwenza ubudlelwane obuzinzileyo nabathengi. Amashishini adumileyo e-cellulose ether kumazwe aphuhlileyo ikakhulu amkela isicwangciso sokukhuphisana “sokujolisa abathengi abakhulu abakwisiphelo esiphezulu kunye nokuphuhlisa izicelo ezisezantsi kunye nokusetyenziswa”, ukuphuhlisai-cellulose etherizicelo kunye neefomula zokusetyenziswa, kunye nokuqwalasela uthotho lweemveliso ngokwemihlaba eyahlukeneyo yesicelo ukuququzelela ukusetyenziswa kwabathengi, kunye nokulima imfuno yemarike esezantsi ngoku. Ukhuphiswano phakathi kwamashishini e-cellulose ether kumazwe aphuhlileyo atshintshile kwimveliso ukuya kwi-teknoloji yesicelo.
Ixesha lokuposa: Aug-31-2023