I-Walocel kunye neTylose ngamagama amabini aziwayo e-cellulose ethers eziveliswa ngabavelisi abahlukeneyo, i-Dow kunye ne-SE Tylose, ngokwahlukeneyo. Zombini i-Walocel kunye ne-Tylose cellulose ethers zinezicelo ezahlukeneyo kumashishini ahlukeneyo, kubandakanya ulwakhiwo, ukutya, amayeza, izinto zokuthambisa, nokunye. Nangona zabelana ngokufana ngokwezinto eziphuma kwi-cellulose, zineendlela ezahlukeneyo zokwenziwa, iimpawu, kunye neempawu. Kolu thelekiso lubanzi, siza kuhlola umahluko kunye nokufana phakathi kwe-Walocel kunye ne-Tylose ngokweenkcukacha, sigubungela iinkalo ezifana neempawu zazo, usetyenziso, iinkqubo zemveliso, nokunye.
Intshayelelo kuWalocel noTylose:
1. IWalocel:
- Umenzi: IWalocel ligama lophawu lwee-cellulose ethers eziveliswa yiDow, inkampani yeekhemikhali yamazwe ngamazwe eyaziwa ngoluhlu lwayo olubanzi lweemveliso zeekhemikhali kunye nezisombululo.
– Ukusetyenziswa: Ii-ether ze-Walocel cellulose zisetyenziswa ekwakheni, ekutyeni, kwiimveliso zamayeza, nakwizinto zokuthambisa, zisebenza njengezinto zokutyebisa, ezizinzisayo, ezidibanisa izinto, nokunye.
– Iinkcukacha zeMveliso: IWalocel inikezela ngeendidi ezahlukeneyo zeeklasi ezineempawu ezahlukeneyo, kubandakanya iWalocel CRT yokwakha kunye neWalocel XM yokusetyenziswa kokutya.
– Iipropati eziphambili: Iigrafu zeWalocel zinokwahluka ngokwe-viscosity, i-degree of substitution (DS), kunye nobukhulu bamasuntswana, nto leyo eyenza ukuba zilungele ukusetyenziswa ngeendlela ezahlukeneyo. Zaziwa ngokugcina amanzi, amandla azo okutyeba, kunye neempawu zokwenza ifilimu.
– Ubukho Behlabathi: IWalocel luphawu oluvunyiweyo olunobukho behlabathi kwaye lufumaneka kwiindawo ezininzi.
2. UTylose:
- Umenzi: ITylose ligama lophawu lwee-cellulose ethers eziveliswa yi-SE Tylose, inkampani engaphantsi kweShin-Etsu Chemical Co., Ltd. IShin-Etsu yinkampani yeekhemikhali yehlabathi enepotifoliyo yeemveliso ezahlukeneyo.
– Ukusetyenziswa: IiTylose cellulose ethers zisetyenziswa ekwakheni, ekutyeni, kwiimveliso zamayeza, kwizinto zokuthambisa, nakwezinye izinto. Zisetyenziswa njengezithambisi, izibambisi, izihlanganisi, kunye neefom zefilimu.
– Iinkcukacha zeMveliso: ITylose inikezela ngoluhlu lweemveliso ze-cellulose ether ezenzelwe ukusetyenziswa okuthile. Iindidi ezifana neTylose H kunye neTylose MH zisetyenziswa kakhulu kulwakhiwo kunye namayeza.
– Iipropati eziphambili: Iiklasi zeTylose zibonisa umahluko kwi-viscosity, iqondo lokutshintshwa (DS), kunye nobukhulu bamasuntswana, kuxhomekeke kwibakala elithile kunye nokusetyenziswa. Zaziwa ngokugcina amanzi, amandla azo okutyeba, kunye nolawulo lwe-rheological.
– Ubukho Behlabathi: ITylose luphawu oluvunyiweyo olunobukho behlabathi, olufumaneka kwiindawo ezininzi.
Ukuthelekiswa kukaWalocel noTylose:
Ukuze siqonde umahluko phakathi kweWalocel kunye neTylose, siza kuhlola iinkalo ezahlukeneyo zezi mveliso ze-cellulose ether, kuquka iipropati, usetyenziso, iinkqubo zemveliso, nokunye okuninzi:
1. Iipropati:
IWalocel:
- Amanqanaba eWalocel anokwahluka ngokwe-viscosity, i-degree of substitution (DS), ubungakanani bamasuntswana, kunye nezinye iimpawu, ezilungiselelwe ukuhlangabezana neemfuno ezahlukeneyo zokusetyenziswa.
– I-Walocel yaziwa ngokugcina amanzi, amandla ayo okutyeba, kunye neempawu zayo zokwenza ifilimu kwiifomyula ezahlukeneyo.
I-Tylose:
- Iiklasi zeTylose nazo zibonisa umahluko kwiipropati, kubandakanya i-viscosity, i-DS, kunye nobukhulu bee-particle, kuxhomekeke kwibakala elithile kunye nokusetyenziswa. Zenzelwe ukubonelela ngolawulo lwe-rheological kunye nokugcinwa kwamanzi kwiifomyula.
2. Izicelo:
Zombini iWalocel kunye neTylose zisetyenziswa kumashishini nakwizicelo ezilandelayo:
- Ulwakhiwo: Zisetyenziswa kwizixhobo zokwakha, ezifana nezincamathelisi zethayile, iimortar, iigrout, kunye neekhompawundi ezizilinganisayo, ukuphucula iipropati ezifana nokugcinwa kwamanzi, ukusebenza kakuhle, kunye nokunamathela.
– Amayeza: Kwishishini lamayeza, zombini zisebenza njengezinto ezidibanisayo, eziqhekezayo, kunye neearhente ezikhululayo ezilawulwayo kwiipilisi nakwiindlela zokuhambisa amayeza.
– Ukutya: Zisetyenziswa kwishishini lokutya ukuze ziqine, zizinzile, kwaye ziphucule ubume beemveliso zokutya, ezinje ngeesosi, iidressing, kunye nezinto ezibhakiweyo.
– Izithambiso: Zombini iWalocel kunye neTylose zisetyenziswa kwizithambiso nakwiimveliso zokhathalelo lomntu ukubonelela nge-viscosity, ubume, kunye nokuzinzisa i-emulsion.
3. Iinkqubo zeMveliso:
Iinkqubo zemveliso zeWalocel kunye neTylose zibandakanya amanqanaba afanayo, njengoko zombini ziyi-cellulose ethers. Amanyathelo aphambili kwimveliso yazo aquka:
- Unyango lwe-Alkaline: Umthombo we-cellulose unyangwa nge-alkaline ukuze kususwe ukungcola, kuvuvuke imicu ye-cellulose, kwaye kuyenze ifumaneke lula ukuze kutshintshwe ngakumbi iikhemikhali.
- Ukufakelwa kwe-ether: Ngeli nqanaba, imixokelelwane ye-cellulose iguqulwa ngokweekhemikhali ngokungenisa amaqela e-hydroxypropyl kunye ne-methyl. Olu tshintsho lunoxanduva lokunyibilika kwamanzi kunye nezinye iimpawu.
- Ukuhlanjwa kunye nokungahlambuluki: Imveliso iyahlanjwa ukuze kususwe iikhemikhali kunye nokungcola okungaphendulwanga. Emva koko iyasuswa ukuze kufezekiswe inqanaba le-pH elifunekayo.
- Ukucoca: Iinkqubo zokucoca, kuquka ukuhluza nokuhlamba, zisetyenziselwa ukususa naluphi na ukungcola okuseleyo kunye nemveliso eshiyekileyo.
- Ukomisa: I-cellulose ether ecociweyo iyomiswa ukuze kuncitshiswe umswakama wayo, nto leyo eyenza ifaneleke ukusetyenzwa nokupakishwa ngakumbi.
- Ukuxubana kunye nokuPakisha: Kwezinye iimeko, i-cellulose ether eyomileyo isenokungena kwi-granulation ukuze ifikelele kubungakanani besuntswana obufunekayo kunye neempawu zokuhamba. Imveliso yokugqibela emva koko ipakishwa ukuze isasazwe.
4. Ukufumaneka kweendawo:
Zombini iWalocel kunye neTylose zikho kwihlabathi liphela, kodwa ukufumaneka kwamanqanaba athile kunye neefomyula kunokwahluka ngokwengingqi. Ababoneleli kunye nabasasazi basekuhlaleni banokubonelela ngeendlela ezahlukeneyo zemveliso ngokusekelwe kwimfuno yengingqi.
5. Amagama eeBanga:
Zombini iWalocel kunye neTylose zinika amagama ahlukeneyo eeklasi, ngalinye lenzelwe usetyenziso okanye iimpawu ezithile. La mabanga achazwa ngamanani kunye noonobumba ababonisa iimpawu zawo kunye nokusetyenziswa okucetyiswayo.
Ngamafutshane, iWalocel kunye neTylose ziimveliso ze-cellulose ether ezisetyenziswa ngokufanayo kulwakhiwo, ukutya, amayeza, kunye nezinto zokuthambisa. Umahluko ophambili phakathi kwazo ukwimveliso, iindlela ezithile zokwenziwa kwemveliso, kunye nokufumaneka kwengingqi. Zombini iimpawu zibonelela ngoluhlu lweendidi ezenzelwe usetyenziso olwahlukeneyo, nganye ineempawu ezahlukeneyo. Xa ukhetha phakathi kweWalocel kunye neTylose kwisicelo esithile, kubalulekile ukubonisana nabavelisi okanye ababoneleli ukuze kuchongwe imveliso efanelekileyo kunye nokufikelela kulwazi lwemveliso oluhlaziyiweyo kunye nenkxaso yobugcisa.
Ixesha lokuthumela: Novemba-04-2023