Ihererekanyabubasha rya hydroxypropyl methylcellulose ryibasiwe cyane ningingo zikurikira:
1. Ubwiza bwibikoresho fatizo.
Icya kabiri, ingaruka za alkalisation.
3. Ikigereranyo cyibikorwa
4. Ingano yumuti
5. Ingaruka zo kutabogama
Ibicuruzwa bimwe bifite ibicu nkamata nyuma yo gushonga, bimwe byera byamata yera, bimwe bifite umuhondo, nibindi bisobanutse kandi bisobanutse… Kugira ngo ikibazo gikemuke, hindura uhereye ku ngingo zikurikira. Rimwe na rimwe, aside irike irashobora kugira ingaruka zikomeye ku mucyo. Nibyiza gukoresha acide acetike nyuma yo kuyungurura. Ingaruka nini cyane ni ukumenya niba reaction ikangurwa neza kandi niba igipimo cya sisitemu gihamye (ibikoresho bimwe bifite ubushuhe kandi ibirimo bidahindagurika, nkibishishwa bikoreshwa mugutunganya). Mubyukuri, hari ibintu byinshi bigira ingaruka. Niba ibikoresho bihamye kandi ababikora bahuguwe neza, umusaruro ugomba kuba uhagaze neza. Itumanaho ryumucyo ntirishobora kurenga ± 2%, kandi uburinganire bwabasimbuye mumatsinda asimbuye bugomba kugenzurwa neza. Aho kuba kimwe, kohereza urumuri rwose byaba byiza.
Ibintu bigira ingaruka kuri Viscosity ya Hydroxypropyl Methyl Cellulose
Hydroxypropyl methylcellulose ifite ubukana bwinshi ntishobora gutanga selile nyinshi cyane nukumara no gusimbuza azote mu musaruro. Muri rusange, umusaruro wa selile-viscosity selile mu Bushinwa ntushobora kugenzurwa. Ariko, niba igikoresho cyo gupima umwuka wa ogisijeni gishobora gushyirwaho mu isafuriya, umusaruro w’ubukonje bwacyo urashobora kugenzurwa mu buryo bwa gihanga.
yakozwe. Byongeye kandi, urebye umuvuduko wo gusimbuza azote, biroroshye kubyara ibicuruzwa byijimye cyane nubwo sisitemu yaba ifite umuyaga mwinshi. Nibyo, urugero rwa polymerisation yipamba inoze nayo ni ngombwa. Niba ibyo bidakora, kora hamwe na hydrophobic association. Muri ako karere hari abakozi bashinzwe amashyirahamwe. Ni ubuhe bwoko bw'ishyirahamwe guhitamo bifite uruhare runini mubikorwa byibicuruzwa byanyuma. Umwuka wa ogisijeni usigaye muri reaction utera kwangirika kwa selile no kugabanuka kwuburemere bwa molekile, ariko ogisijeni isigaye iba mike, mugihe cyose molekile zacitse zongeye guhuzwa, ntabwo bigoye gukora ubukonje bwinshi. Nyamara, igipimo cyo kwiyuzuzamo gifite byinshi byo gukora nibiri muri hydroxypropyl. Inganda zimwe zishaka kugabanya gusa igiciro nigiciro, ariko ntizifuza kongera ibikubiye muri hydroxypropyl, bityo ubwiza ntibushobora kugera kurwego rwibicuruzwa bisa n’amahanga. Igipimo cyo gufata amazi yibicuruzwa gifitanye isano nini na hydroxypropyl, ariko kubikorwa byose, bigena kandi igipimo cyacyo cyo gufata amazi, ingaruka za alkalisation, igipimo cya methyl chloride na okiside ya propylene, kwibanda kuri alkali no kubika amazi. Ikigereranyo cya pamba itunganijwe igena imikorere yibicuruzwa.
Igihe cyo kohereza: Gicurasi-23-2023