Focus on Cellulose ethers

Ngaba ii-ether ze-cellulose zikhuselekile kulondolozo lwemizobo?

Ngaba ii-ether ze-cellulose zikhuselekile kulondolozo lwemizobo?

I-cellulose ethersngokuqhelekileyo zithathwa njengekhuselekile kulondolozo lwemisebenzi yobugcisa xa isetyenziswe ngokufanelekileyo nangokuhambelana nezenzo zolondolozo ezimiselweyo.Ezi polymers ziphuma kwi-cellulose, ezifana ne-hydroxyethyl cellulose (HEC), i-hydroxypropyl methylcellulose (HPMC), i-carboxymethylcellulose (CMC), kunye nezinye, zinika iipropati ezininzi ezinenzuzo kwiinjongo zokulondoloza.Nangona kunjalo, kubalulekile ukuqwalasela izinto ezithile ukuqinisekisa ukusetyenziswa kwazo okukhuselekileyo nokusebenzayo:

Iingqwalasela zoKhuseleko:

  1. Ukuhambelana kwezinto:
    • Vavanya ukuhambelana kwe-cellulose ethers kunye nezinto ezikhoyo kumsebenzi wobugcisa, kubandakanywa i-substrates, ii-pigments, iidayi, kunye nezinye izinto.Uvavanyo lokuhambelana kwindawo encinci, engabonakaliyo iyacetyiswa.
  2. Iinqobo zokuziphatha zoLondolozo:
    • Bambelela kwiinqobo ezisesikweni zolondolozo ezimiselweyo, ezibeka phambili unyango olunokubuyiselwa umva noluhlasela kancinci.Qinisekisa ukuba ukusetyenziswa kwe-cellulose ethers ihambelana nemigaqo yokugcina ilifa lenkcubeko.
  3. Uvavanyo kunye neemvavanyo:
    • Ukuqhuba uvavanyo lokuqala kunye nezilingo ukufumanisa ugxininiso olufanelekileyo, indlela yokusetyenziswa, kunye nempembelelo enokubakho ye-cellulose ethers kumsebenzi othile wobugcisa.Oku kunceda ekuchongeni eyona ndlela yonyango ifanelekileyo.
  4. Ukubuyisela umva:
    • Khetha ii-ether zeselulosi ezibonelela ngeqondo lokubuyela umva.Ukubuyisela umva ngumgaqo osisiseko kulondolozo, ukuvumela unyango lwexesha elizayo okanye uhlengahlengiso ngaphandle kokwenza umonakalo kwizinto zokuqala.
  5. Uxwebhu:
    • Bhala unyango lolondolozo ngokucokisekileyo, kuquka neenkcukacha ze-cellulose ethers ezisetyenzisiweyo, ugxininiso, kunye neendlela zokusetyenziswa.Amaxwebhu afanelekileyo anceda ekuhleni nasekuqondeni imbali yolondolozo lomsebenzi wobugcisa.
  6. Ukusebenzisana nabaGcini:
    • Sebenzisana nabalondolozi abaziingcali abanobugcisa kwiimfuno ezithile zolondolozo lomsebenzi wobugcisa.I-Conservators inokubonelela ngengqiqo ebalulekileyo kunye nesikhokelo ekusetyenzisweni okukhuselekileyo nokusebenzayo kwee-cellulose ethers.

Iinzuzo zoLondolozo:

  1. Ukumanyanisa kunye nokomelezwa:
    • I-cellulose ethers, efana ne-hydroxyethyl cellulose, inokusebenza ngokudibanisa kunye nokomeleza izinto ezibuthathaka okanye eziwohlokayo kwimisebenzi yobugcisa.Bancedisa ukubopha amaqhekeza akhululekile kunye nokuzinzisa isakhiwo.
  2. Iinkcazelo Ngeempawu ezincamathelayo:
    • Ezinye ii-cellulose ethers zisetyenziswa njengezinto zokuncamathelisa ukulungisa imisebenzi yobugcisa.Babonelela ngamabhondi aqinileyo kwaye ahlala ixesha elide ngaphandle kokubangela ukuguquka kwebala okanye umonakalo xa esetyenziswe ngokufanelekileyo.
  3. Ubuzaza baManzi kunye noKuxhathisa:
    • I-cellulose ethers inokukhethwa ngenxa yokunganyangeki kwamanzi, ukuthintela ukuchithwa okanye umonakalo xa udibana nokufuma.Lo mhlaba ubalulekile kwimisebenzi yobugcisa enokuthi ibe sesichengeni kwiimeko zokusingqongileyo okanye iqhubeke neenkqubo zokucoca.
  4. Ukwenziwa kwefilimu:
    • Ezinye i-cellulose ethers zinegalelo ekubunjweni kweefilimu ezikhuselayo, ukuphucula ukuzinza kunye nokuqina kweendawo eziphathwayo.

Imigangatho yoShishino kunye neziKhokelo:

  1. IKhowudi ye-ICOM yeeNqobo ezisesikweni:
    • Landela iKhowudi yeeNqobo zokuziphatha zeBhunga leeMyuziyam (ICOM) yeeMyuziyam, egxininisa uxanduva lokulondoloza nokugcina ilifa lenkcubeko ngeli lixa kuhlonitshwa ukunyaniseka nokuthembeka kwemisebenzi yobugcisa.
  2. IKhowudi yeeNqobo ezisesikweni ye-AIC:
    • Bambelela kwiKhowudi ye-American Institute for Conservation (AIC) yeeNdlela zokuziphatha kunye neziKhokelo zokuSebenza, ezibonelela ngemigangatho yokuziphatha kunye nemigaqo yeengcali zolondolozo.
  3. ImiGangatho ye-ISO:
    • Qwalasela imigangatho ye-ISO efanelekileyo yolondolozo, efana ne-ISO 22716 yezithambiso kunye ne-ISO 19889 yolondolozo lwelifa lenkcubeko.

Ngokuqwalasela ngenyameko le miba kunye nokulandela izikhokelo kunye nemigangatho esekiweyo, abalondolozi banokusebenzisa i-cellulose ethers ngokukhuselekileyo nangempumelelo ekulondolozweni kwemisebenzi yobugcisa.Uqeqesho olululo, ukubhalwa kwamaxwebhu, kunye nentsebenziswano neengcali zolondolozo zizinto ezibalulekileyo zokuqinisekisa ezona ziphumo zibalaseleyo zokugcinwa kwelifa lenkcubeko.


Ixesha lokuposa: Jan-20-2024
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