I-Cellulose ether (i-CelluloseEther) yenziwe nge-cellulose ngokusebenzisa i-etherification reaction ye-ether enye okanye ezininzi ze-etherification kunye ne-dry grinding. Ngokwezakhiwo ezahlukeneyo zeekhemikhali ze-ether substituents, ii-cellulose ethers zinokwahlulwa zibe yi-anionic, cationic kunye ne-nonionic ethers. Ii-ether ze-Ionic cellulose ziquka ikakhulu i-carboxymethyl cellulose ether (CMC); ii-ether ze-non-ionic cellulose ziquka ikakhulu i-methyl cellulose ether (MC), i-hydroxypropyl methyl cellulose ether (HPMC) kunye ne-hydroxyethyl cellulose ether. I-Chlorine ether (HC) njalo njalo. Ii-ethers ezingezizo ze-ionic zahlulwe zibe zii-ethers ezinyibilikayo emanzini kunye nee-ethers ezinyibilikayo kwi-oyile, kwaye ii-ethers ezinyibilikayo emanzini ezingezizo ze-ionic zisetyenziswa kakhulu kwiimveliso ze-mortar. Xa kukho ii-ion ze-calcium, i-ionic cellulose ether ayizinzanga, ngoko ke ayisetyenziswa rhoqo kwiimveliso ze-mortar ezixutywe ngomileyo ezisebenzisa isamente, i-slaked lime, njl.njl. njengezinto zokufaka i-cement. Ii-cellulose ethers ezinyibilikayo emanzini ezingezizo ii-ionic zisetyenziswa kakhulu kushishino lwezixhobo zokwakha ngenxa yozinzo lwazo lokumiswa kunye nokugcinwa kwamanzi.
1. Iipropati zeekhemikhali ze-cellulose ether
I-cellulose ether nganye inesakhiwo esisisiseko se-cellulose—isakhiwo se-anhydroglucose. Kwinkqubo yokuvelisa i-cellulose ether, i-cellulose fiber ifudunyezwa kuqala kwisisombululo se-alkaline, ize iphathwe nge-etherifying agent. Imveliso ye-fibrous reaction iyacocwa kwaye icolwe ukuze yenze umgubo ofanayo onobuncinci obuthile.
Kwinkqubo yokuvelisa i-MC, kusetyenziswa i-methyl chloride kuphela njenge-etherification agent; ukongeza kwi-methyl chloride, i-propylene oxide ikwasetyenziswa ukufumana amaqela athatha indawo ye-hydroxypropyl kwimveliso ye-HPMC. Ii-ethers ezahlukeneyo ze-cellulose zinemilinganiselo eyahlukeneyo ye-methyl kunye ne-hydroxypropyl substitution, echaphazela ukuhambelana kwezinto eziphilayo kunye nobushushu be-gelation yezisombululo ze-cellulose ether.
2. Iimeko zesicelo se-cellulose ether
I-Cellulose ether yi-polymer engeyiyo i-ionic semi-synthetic, enyibilikayo emanzini kwaye inyibilikayo. Ineziphumo ezahlukeneyo kumashishini ahlukeneyo. Umzekelo, kwizixhobo zokwakha iikhemikhali, ineziphumo ezilandelayo ezidibeneyo:
①Iarhente yokugcina amanzi ②Ityebisa ③Ipropati yokulinganisa ④Ipropati yokwenza ifilimu ⑤Ibhanti
Kwishishini le-polyvinyl chloride, yi-emulsifier kunye ne-dispersant; kwishishini lezemithi, yi-binder kunye nezinto ezikhutshwa kancinci nezilawulwayo, njl. Ngenxa yokuba i-cellulose inemiphumo eyahlukeneyo edibeneyo, ukusetyenziswa kwayo. Eli candelo likwabanzi kakhulu. Oku kulandelayo kugxile ekusetyenzisweni nasekusebenzeni kwe-cellulose ether kwizixhobo ezahlukeneyo zokwakha.
(1) Kwipeyinti yelatex:
Kwishishini lokupenda i-latex, ukukhetha i-hydroxyethyl cellulose, inkcazo ngokubanzi ye-viscosity elinganayo yi-RT30000-50000cps, ehambelana nenkcazo ye-HBR250, kwaye idosi yesalathiso ngokubanzi imalunga ne-1.5‰-2‰. Umsebenzi ophambili we-hydroxyethyl kwipeyinti ye-latex kukuqinisa, ukuthintela i-gelation ye-pigment, ukunceda ukusasazeka kwe-pigment, ukuzinza kwe-latex, kunye nokunyusa i-viscosity yezixhobo, nto leyo enegalelo ekusebenzeni kokulinganisa kolwakhiwo: I-Hydroxyethyl cellulose kulula ukuyisebenzisa. Inganyibilikiswa emanzini abandayo nasemanzini ashushu, kwaye ayichaphazeleki lixabiso le-pH. Ingasetyenziswa ngoxolo lwengqondo xa ixabiso le-PI liphakathi kwe-2 ne-12. Iindlela zokusetyenziswa zezi zilandelayo: I. Ukongeza ngokuthe ngqo kwimveliso: Kule ndlela, kufuneka kukhethwe uhlobo olulibazisekileyo lwe-hydroxyethyl cellulose, kwaye kusetyenziswa i-hydroxyethyl cellulose enexesha lokunyibilika elingaphezulu kwemizuzu engama-30. Amanyathelo ngala alandelayo: ① Yifake kwisitya esixhotyiswe ngesixhobo sokugaya esinobushushu obuphezulu. Amanzi acocekileyo aneleyo ②Qala ukuxuba rhoqo ngesantya esiphantsi, kwaye kwangaxeshanye yongeza kancinci i-hydroxyethyl kwisisombululo ngokulinganayo ③Qhubeka uvuselela de zonke izinto ezi-granular zimanziswe ④Yongeza ezinye izongezo kunye nezongezo ze-alkaline, njl. ⑤Xuba de yonke i-hydroxyethyl Isiseko sinyibilike ngokupheleleyo, uze wongeze ezinye izinto kwifomyula, kwaye usike de imveliso igqitywe. Ⅱ. Ixhotyiswe ngotywala obungumama ukuze isetyenziswe kamva: Le ndlela inokukhetha i-cellulose ekhawulezileyo, enefuthe lokulwa nokungunda. Inzuzo yale ndlela kukuba inokuguquguquka okukhulu kwaye ingongezwa ngokuthe ngqo kwipeyinti ye-latex. Indlela yokulungiselela iyafana namanyathelo ①-④. Ⅲ. Lungisa i-porridge ukuze isetyenziswe kamva: Ekubeni i-organic solvents zi-solvents ezimbi (ezinganyibilikiyo) ze-hydroxyethyl, ezi solvents zingasetyenziselwa ukulungiselela i-porridge. Ezona zinyibilikisi ze-organic ezisetyenziswa kakhulu zi-organic liquids kwi-latex paint formulations, ezifana ne-ethylene glycol, i-propylene glycol, kunye nee-film-forming agents (ezifana ne-diethylene glycol butyl acetate). I-porridge hydroxyethyl cellulose ingongezwa ngqo kwipeyinti. Qhubeka uvuselela ide inyibilike ngokupheleleyo.
(2) Kwiputty yokukrwela eludongeni:
Okwangoku, kwizixeko ezininzi kwilizwe lam, i-putty engangeni manzi kwaye engagugiyo ikhuselekile kokusingqongileyo iye yaxatyiswa ngabantu. Iveliswa yi-acetal reaction ye-vinyl alcohol kunye ne-formaldehyde. Ke ngoko, le nto isuswa kancinci ngabantu, kwaye iimveliso ze-cellulose ether series zisetyenziselwa ukuthatha indawo yale nto. Oko kukuthi, uphuhliso lwezixhobo zokwakha ezingagugiyo, i-cellulose okwangoku yeyona nto ikuphela kwayo. Kwi-putty engangeni manzi, yahlulwe yaba ziintlobo ezimbini: i-putty yomgubo owomileyo kunye ne-putty paste. Phakathi kwezi ntlobo zimbini ze-putty, i-methyl cellulose eguquliweyo kunye ne-hydroxypropyl methyl kufuneka kukhethwe. I-viscosity specification ngokubanzi iphakathi kwe-30000-60000cps. Imisebenzi ephambili ye-cellulose kwi-putty kukugcinwa kwamanzi, ukubopha kunye nokuthambisa. Ekubeni ii-putty formulas zabavelisi abahlukeneyo zahlukile, ezinye ziyi-gray calcium, i-calcium ekhaphukhaphu, isamente emhlophe, njl.njl., kwaye ezinye ziyi-gypsum powder, i-gray calcium, i-calcium ekhaphukhaphu, njl.njl., ngoko ke iinkcukacha, i-viscosity kunye nokungena kwe-cellulose kwiifomyula ezimbini nazo zahlukile. Isixa esongeziweyo simalunga ne-2‰-3‰. Ekwakhiweni kwe-putty yokukrala udonga, ekubeni umphezulu osisiseko wodonga unomlinganiselo othile wokufunxwa kwamanzi (isantya sokufunxwa kwamanzi eludongeni lwezitena yi-13%, kwaye izinga lokufunxwa kwamanzi kwikhonkrithi yi-3-5%), kunye nokuphuma komphunga kwihlabathi langaphandle, ukuba i-putty ilahlekelwa ngamanzi ngokukhawuleza, iya kukhokelela ekuqhekekeni okanye ekususweni komgubo, okuya kwenza buthathaka amandla e-putty. Ke ngoko, ukongeza i-cellulose ether kuya kuyisombulula le ngxaki. Kodwa umgangatho we-filler, ingakumbi umgangatho we-ash calcium nawo ubaluleke kakhulu. Ngenxa ye-viscosity ephezulu ye-cellulose, ukubutha kwe-putty nako kuyaphuculwa, kwaye into yokuwa ngexesha lokwakha nayo iyathintelwa, kwaye ikhululekile ngakumbi kwaye isindisa abasebenzi emva kokukrala. Kulula ngakumbi ukongeza i-cellulose ether kwi-putty yomgubo. Ukuveliswa kwayo kunye nokusetyenziswa kwayo kulula ngakumbi. I-filler kunye nezongezo zinokuxutywa ngokulinganayo kwi-powder eyomileyo.
(3) Udaka lwesamente:
Kwisigqubuthelo sekhonkrithi, ukuze kufumaneke amandla apheleleyo, isamente kufuneka ifunxwe ngamanzi ngokupheleleyo. Ingakumbi xa kusakhiwa ehlotyeni, isigqubuthelo sekhonkrithi silahlekelwa ngamanzi ngokukhawuleza, kwaye iindlela zokulinganisa ukufunxwa kwamanzi ngokupheleleyo zisetyenziselwa ukugcina nokufafaza amanzi. Inkcitho yezixhobo kunye nokusebenza okungahambi kakuhle, isitshixo kukuba amanzi abe phezu komhlaba kuphela, kwaye ukufunxwa kwamanzi kwangaphakathi akukagqitywa, ngoko ke isisombululo sale ngxaki kukongeza izinto ezisibhozo zokugcina amanzi kwisikhonkrithi sekhonkrithi, ngokubanzi khetha i-hydroxypropyl methyl okanye i-methyl Cellulose, inkcazo ye-viscosity iphakathi kwe-20000-60000cps, kwaye isixa sokongeza yi-2%-3%. Izinga lokugcina amanzi linokwandiswa liye ngaphezulu kwe-85%. Indlela yokusebenzisa kwisikhonkrithi sekhonkrithi kukuxuba umgubo owomileyo ngokulinganayo uze uwuthulule emanzini.
(4) Kwi-plastering gypsum, i-bonded gypsum, i-caulking gypsum:
Ngenxa yophuhliso olukhawulezileyo lweshishini lokwakha, imfuno yabantu yezixhobo zokwakha ezintsha nayo iyanda imihla ngemihla. Ngenxa yokwanda kolwazi lwabantu ngokhuseleko lokusingqongileyo kunye nokuphuculwa okuqhubekayo kokusebenza kakuhle kokwakha, iimveliso zegypsum ezisimenti ziye zaphuhliswa ngokukhawuleza. Okwangoku, iimveliso zegypsum eziqhelekileyo yigypsum yokuplasta, igypsum ebotshelelweyo, igypsum egqunyiweyo, kunye ne-tile adhesive. I-plastering gypsum sisixhobo sokuplasta esisemgangathweni ophezulu kwiindonga zangaphakathi kunye neesilingi. Umphezulu wodonga ogqunywe ngayo ulungile kwaye uthambile. I-adhesive entsha yebhodi yokukhanya yesakhiwo sisixhobo esinamathelayo esenziwe ngegypsum njengezinto ezisisiseko kunye nezongezo ezahlukeneyo. Ifanelekile ukubopha phakathi kwezinto ezahlukeneyo zodonga lwesakhiwo ezingaphiliyo. Ayinatyhefu, Ayinavumba, inamandla okuqala kwaye ifakelwa ngokukhawuleza, i-bonding enamandla kunye nezinye iimpawu, sisixhobo esixhasayo kwiibhodi zokwakha kunye nokwakhiwa kweebhloko; i-arhente ye-caulking yegypsum sisixhobo sokuzalisa isithuba phakathi kweebhodi zegypsum kunye ne-filler yokulungisa iindonga kunye neentanda. Ezi mveliso zegypsum zinoluhlu lwemisebenzi eyahlukeneyo. Ukongeza kwindima yegypsum kunye nezizalisi ezinxulumene noko, ingxaki ephambili kukuba izongezo ze-cellulose ether ezongeziweyo zidlala indima ephambili. Ekubeni i-gypsum yahlulwe yaba yi-gypsum engenamanzi kunye ne-hemihydrate gypsum, i-gypsum eyahlukeneyo ineempembelelo ezahlukeneyo ekusebenzeni kwemveliso, ngoko ke ukuqina, ukugcinwa kwamanzi kunye nokulibaziseka kumisela umgangatho wezixhobo zokwakha ze-gypsum. Ingxaki eqhelekileyo yezi zinto kukugqobhoza nokuqhekeka, kwaye amandla okuqala awanakufikelelwa. Ukusombulula le ngxaki, kukukhetha uhlobo lwe-cellulose kunye nendlela yokusebenzisa i-compound ye-retarder. Kule nkalo, i-methyl okanye i-hydroxypropyl methyl 30000 ikhethwa ngokubanzi. –60000cps, isixa sokongeza yi-1.5%–2%. Phakathi kwazo, i-cellulose igxile ekugcinweni kwamanzi kunye nokuncitshiswa kokuthambisa. Nangona kunjalo, akunakwenzeka ukuthembela kwi-cellulose ether njenge-retarder, kwaye kuyimfuneko ukongeza i-citric acid retarder ukuze uyixube kwaye uyisebenzise ngaphandle kokuchaphazela amandla okuqala. Ukugcinwa kwamanzi ngokubanzi kubhekisa ekubeni mangaphi amanzi aza kulahleka ngokwendalo ngaphandle kokufunxwa kwamanzi ngaphandle. Ukuba udonga lomile kakhulu, ukufunxwa kwamanzi kunye nokuphuma kwamanzi ngokwendalo kumphezulu wesiseko kuya kwenza ukuba izinto zilahlekelwe ngamanzi ngokukhawuleza, kwaye ukugqobhoza nokuqhekeka kuya kwenzeka. Le ndlela yokusebenzisa ixutywe nomgubo owomileyo. Ukuba ulungiselela isisombululo, nceda ujonge indlela yokulungiselela isisombululo.
(5) I-thermal insulation mortar
I-insulation mortar luhlobo olutsha lwezinto zokukhusela udonga lwangaphakathi kummandla osemantla. Yinto yodonga eyenziwe ngezinto zokukhusela udonga, i-mortar kunye ne-binder. Kule nto, i-cellulose idlala indima ebalulekileyo ekubopheni nasekunyuseni amandla. Ngokubanzi khetha i-methyl cellulose ene-viscosity ephezulu (malunga ne-10000eps), idosi ngokubanzi iphakathi kwe-2‰-3‰), kwaye indlela yokusebenzisa kukuxuba umgubo owomileyo.
(6) iarhente yojongano
Khetha i-HPNC 20000cps kwiarhente yojongano, khetha i-60000cps nangaphezulu kwi-adhesive yethayile, kwaye ugxile kwi-thickener kwiarhente yojongano, enokuphucula amandla okuxinana kunye namandla okulwa notolo. Isetyenziswa njengearhente yokugcina amanzi ekubopheleleni kweethayile ukuthintela iithayile ukuba zingaphelelwa ngamanzi ngokukhawuleza kwaye ziwe.
3. Imeko yecandelo leshishini
(1) Ishishini elihamba phambili
Izinto eziphambili ezifunekayo kwimveliso ye-cellulose ether ziquka umqhaphu ocociweyo (okanye i-pulp yomthi) kunye nezinye izinyibilikisi zeekhemikhali eziqhelekileyo, ezifana ne-propylene oxide, i-methyl chloride, i-caustic soda engamanzi, i-caustic soda, i-ethylene oxide, i-toluene kunye nezinye izinto ezincedisayo. Amashishini akwishishini eliphambili kweli shishini aquka umqhaphu ocociweyo, amashishini okuvelisa i-pulp yomthi kunye namanye amashishini eekhemikhali. Ukuguquguquka kwamaxabiso kwezinto eziphambili ezikhankanyiweyo apha ngasentla kuya kuba nefuthe elahlukileyo kwiindleko zemveliso kunye nexabiso lokuthengisa le-cellulose ether.
Ixabiso lomqhaphu ocociweyo liphezulu kakhulu. Xa sijonga i-cellulose ether yezixhobo zokwakha njengomzekelo, ngexesha lengxelo, ixabiso lomqhaphu ocociweyo libalelwa kwi-31.74%, 28.50%, 26.59% kunye ne-26.90% yeendleko zokuthengisa ze-cellulose ether yezixhobo zokwakha ngokwahlukeneyo. Ukuguquguquka kwamaxabiso komqhaphu ocociweyo kuya kuchaphazela iindleko zokuvelisa i-cellulose ether. Izinto ezisetyenziswa kakhulu ekuveliseni umqhaphu ocociweyo zii-cotton linters. Ii-cotton linters zezinye zeemveliso eziphuma kwinkqubo yokuvelisa umqhaphu, ezisetyenziselwa kakhulu ukuvelisa i-cotton pulp, umqhaphu ocociweyo, i-nitrocellulose kunye nezinye iimveliso. Ixabiso lokusetyenziswa kunye nokusetyenziswa kwee-cotton linters kunye nomqhaphu zahlukile kakhulu, kwaye ixabiso lazo liphantsi ngokucacileyo kunelo lomqhaphu, kodwa linolwalamano oluthile nokuguquguquka kwamaxabiso komqhaphu. Ukuguquguquka kwamaxabiso e-cotton linters kuchaphazela ixabiso lomqhaphu ocociweyo.
Ukuguquguquka okukhulu kwexabiso lomqhaphu ocociweyo kuya kuba nefuthe elahlukileyo kulawulo lweendleko zemveliso, amaxabiso emveliso kunye nenzuzo yamashishini kweli shishini. Xa ixabiso lomqhaphu ocociweyo liphezulu kwaye ixabiso lomqhaphu womthi liphantsi kakhulu, ukuze kuncitshiswe iindleko, umqhaphu womthi ungasetyenziselwa indawo kunye nesongezelelo somqhaphu ocociweyo, ikakhulu ekuveliseni ii-ether ze-cellulose ezine-viscosity ephantsi njengee-ethers ze-pharmaceutical kunye ne-food grade cellulose. Ngokwedatha evela kwiwebhusayithi ye-National Bureau of Statistics, ngo-2013, indawo yokutyala umqhaphu kwilizwe lam yayiyi-4.35 yezigidi zeehektare, kwaye imveliso yomqhaphu kazwelonke yayiyi-6.31 yezigidi zeetoni. Ngokwezibalo ezivela kwi-China Cellulose Industry Association, ngo-2014, imveliso iyonke yomqhaphu ocociweyo owenziwe ngabavelisi abakhulu bemqhaphu ocociweyo basekhaya yayiyi-332,000 yeetoni, kwaye ukunikezelwa kwezinto eziluhlaza kuninzi.
Izinto eziphambili zokwenza imveliso yezixhobo zeekhemikhali zegrafiti yintsimbi kunye negrafiti carbon. Ixabiso lentsimbi kunye negrafiti carbon libandakanya inxenye ephezulu yeendleko zemveliso yezixhobo zeekhemikhali zegrafiti. Ukuguquguquka kwamaxabiso kwezi zinto kuya kuba nefuthe elithile kwixabiso lemveliso kunye nexabiso lokuthengisa izixhobo zeekhemikhali zegrafiti.
(2) Ishishini elisezantsi le-cellulose ether
Njenge "industrial monosodium glutamate", i-cellulose ether inomlinganiselo ophantsi we-cellulose ether kwaye ineendlela ezahlukeneyo zokusetyenziswa. Amashishini asezantsi asasazeke kuzo zonke iinkalo zobomi kuqoqosho lwelizwe.
Ngokwesiqhelo, ishishini lokwakha elisezantsi kunye neshishini lezindlu liya kuba nefuthe elithile kwizinga lokukhula kwemfuno ye-cellulose ether yezinto zokwakha. Xa ishishini lokwakha lasekhaya kunye neshishini lezindlu likhula ngokukhawuleza, imfuno yemarike yasekhaya ye-cellulose ether yezinto zokwakha ikhula ngokukhawuleza. Xa izinga lokukhula kweshishini lokwakha lasekhaya kunye neshishini lezindlu lihla, izinga lokukhula kwemfuno ye-cellulose ether yezinto zokwakha kwimarike yasekhaya liya kuncipha, nto leyo eya kuqinisa ukhuphiswano kweli shishini kwaye ikhawulezise inkqubo yokusinda kwamashishini afanelekileyo kweli shishini.
Ukususela ngo-2012, kwimeko yokudodobala kweshishini lokwakha lasekhaya kunye neshishini lezindlu, imfuno ye-cellulose ether yezinga lokwakha kwimarike yasekhaya ayitshintshanga kakhulu. Izizathu eziphambili zezi: 1. Ubungakanani beshishini lokwakha lasekhaya kunye neshishini lezindlu bukhulu, kwaye imfuno iyonke yemarike inkulu; imakethi ephambili yabathengi ye-cellulose ether yezinga lokwakha iyanda kancinci ukusuka kwiindawo eziphuhlileyo kwezoqoqosho kunye nezixeko zokuqala nezesibini ukuya kwimimandla esembindini nasentshona kunye nezixeko zezinga lesithathu, amandla okukhula kwemfuno yasekhaya kunye nokwandiswa kwendawo; 2. Umlinganiselo we-cellulose ether eyongeziweyo kwixabiso lezixhobo zokwakha uphantsi, kwaye isixa esisetyenziswa ngumthengi omnye sincinci, kwaye abathengi basasazekile, nto leyo enokubangela imfuno eqinileyo, kwaye imfuno iyonke kwimarike esezantsi izinzile; 3. Utshintsho lwexabiso lemarike yinto ebalulekileyo echaphazela utshintsho lwesakhiwo semfuno ye-cellulose ether yezinga lokwakha. Ukususela ngo-2012, ixabiso lokuthengisa le-cellulose ether yezinto zokwakha liye lehla kakhulu, nto leyo ebangele ukwehla okukhulu kwixabiso leemveliso eziphakathi ukuya kweziphezulu, nto leyo ebangele ukuba abathengi abaninzi bathenge kwaye bakhethe, nto leyo eyonyusa imfuno yeemveliso eziphakathi ukuya kweziphezulu, kwaye inciphisa imfuno yemarike kunye nendawo yamaxabiso kwiimodeli eziqhelekileyo.
Umgangatho wophuhliso lweshishini lamayeza kunye nesantya sokukhula kweshishini lamayeza kuya kuchaphazela imfuno ye-ether ye-cellulose ye-pharmaceutical grade. Ukuphuculwa kwemigangatho yokuphila yabantu kunye neshishini lokutya eliphuhlileyo kuyanceda ekuqhubeleni phambili imfuno yemarike ye-ether ye-cellulose ye-pharmaceutical-grade.
4. Indlela yoPhuhliso lwe-Cellulose Ether
Ngenxa yokwahluka kwesakhiwo kwimfuno yemarike ye-cellulose ether, iinkampani ezinamandla kunye nobuthathaka obahlukeneyo zinokuhlala kunye. Ngenxa yokwahluka okucacileyo kwesakhiwo semfuno yemarike, abavelisi be-cellulose ether basekhaya bamkele amaqhinga okhuphiswano ahlukeneyo ngokusekelwe kumandla abo, kwaye kwangaxeshanye, kufuneka baqonde kakuhle indlela yophuhliso kunye nesikhokelo semarike.
(1) Ukuqinisekisa uzinzo lomgangatho wemveliso kuya kuba yeyona nto iphambili kukhuphiswano lwamashishini e-cellulose ether
I-Cellulose ether ibangela inxalenye encinci yeendleko zemveliso zamashishini amaninzi asezantsi kweli shishini, kodwa inempembelelo enkulu kumgangatho wemveliso. Amaqela abathengi aphakathi ukuya kwaphezulu kufuneka enze uvavanyo lwefomula ngaphambi kokusebenzisa uhlobo oluthile lwe-cellulose ether. Emva kokwenza ifomula ezinzileyo, kudla ngokuba nzima ukutshintsha ezinye iimpawu zeemveliso, kwaye kwangaxeshanye, iimfuno eziphezulu zibekwe kukuzinza komgangatho we-cellulose ether. Le nto iyabonakala ngakumbi kwiindawo eziphezulu ezifana nabavelisi bezinto zokwakha ezinkulu ekhaya nakwamanye amazwe, izinto ezincedisayo zamayeza, izongezo zokutya, kunye ne-PVC. Ukuze kuphuculwe ukhuphiswano lweemveliso, abavelisi kufuneka baqinisekise ukuba umgangatho kunye nokuzinza kweebhetshi ezahlukeneyo ze-cellulose ether abazinikezelayo zinokugcinwa ixesha elide, ukuze kwakhiwe udumo olungcono kwimarike.
(2) Ukuphucula inqanaba lobuchwepheshe bokusetyenziswa kwemveliso yindlela yophuhliso lwamashishini asekhaya e-cellulose ether
Ngenxa yokukhula kobuchwepheshe bemveliso ye-cellulose ether, inqanaba eliphezulu lobuchwepheshe besicelo linceda ekuphuculeni ukhuphiswano olubanzi lwamashishini kunye nokwakhiwa kobudlelwane obuzinzileyo nabathengi. Iinkampani ze-cellulose ether ezaziwayo kumazwe aphuhlileyo zisebenzisa icebo lokhuphiswano "lokujongana nabathengi abakhulu abakumgangatho ophezulu + ukuphuhlisa ukusetyenziswa nokusetyenziswa okusezantsi" ukuphuhlisa ukusetyenziswa kwe-cellulose ether kunye neefomyula zokusetyenziswa, kunye nokumisela uthotho lweemveliso ngokweenkalo ezahlukeneyo zesicelo ukuze kube lula ukusetyenziswa kwabathengi, kunye nokukhulisa imfuno yemarike esezantsi. Ukhuphiswano lwamashishini e-cellulose ether kumazwe aphuhlileyo luye lwasuka ekungeneni kwemveliso lwaya kukhuphiswano kwicandelo lobuchwepheshe besicelo.
Ixesha leposi: Februwari-27-2023