Kubika amazi ya hydroxypropyl methylcellulose ether
Kugumana amazi ya minisiteri yumye bivuga ubushobozi bwa minisiteri yo gufata no gufunga amazi. Iyo hejuru ya viscosity ya hydroxypropyl methylcellulose ether, niko gufata amazi neza. Kuberako imiterere ya selile irimo hydroxyl na ether, atome ya ogisijeni iri mumatsinda ya hydroxyl na ether ihuza na molekile zamazi kugirango zibe imigozi ya hydrogène, kuburyo amazi yubusa ahinduka amazi ahuza amazi, bityo bikagira uruhare mukubungabunga amazi.
Gukemura Hydroxypropyl Methyl Cellulose Ether
1. Utubumbe duto duto twa selulose ether biroroshye gukwirakwiza mumazi nta agglomeration, ariko igipimo cyo gusesa kiratinda cyane. Ether ya selile iri munsi ya mesh 60 yashonga mumazi muminota 60.
2. Ingirabuzimafatizo nziza ya selile ether iroroshye gukwirakwizwa mumazi nta agglomeration, kandi igipimo cyo kuyasesa ni gike. Cellulose ether iri hejuru ya mesh 80 yashonga mumazi mugihe cyiminota 3.
3. Ultra-nziza ya selile selulose ether ikwirakwira vuba mumazi, igashonga vuba, kandi ikabyara vuba. Cellulose ether iri hejuru ya mesh 120 ishonga mumazi mumasegonda 10-30.
Nibyiza bya hydroxypropyl methylcellulose ether, nibyiza kubika amazi. Ubuso bwa selile yuzuye ibinyamisogwe ether irashonga ako kanya nyuma yo guhura namazi igakora gel phenomenon. Kole ipfunyika ibikoresho kugirango irinde molekile y'amazi gukomeza kwinjira. Rimwe na rimwe, ntishobora gutandukana kimwe no gushonga nubwo nyuma yigihe kirekire ikurura, igakora igisubizo cyijimye cyangwa igiterane. Ibice byiza biratatana kandi bigashonga ako kanya nyuma yo guhura namazi kugirango bibe byiza.
PH agaciro ka hydroxypropyl methylcellulose ether (kudindiza cyangwa imbaraga zambere)
Agaciro pH k'ibikorwa bya hydroxypropyl methylcellulose ether mu gihugu no hanze yacyo bigenzurwa cyane nka 7, biri muri acide. Kuberako haracyari umubare munini wimpeta ya anhydroglucose mumiterere ya molekulire ya selile ya selile, impeta ya anhydroglucose nitsinda nyamukuru ritera sima kudindira. Impeta ya anhydroglucose irashobora gukora ioni ya calcium mugisubizo cya sima itanga umusaruro wa sukari-calcium ya molekuline, kugabanya intungamubiri za calcium ion mugihe cyo kwinjiza sima, bikarinda gushiraho no kugwa kwa hydroxide ya calcium na kristu yumunyu wa calcium, kandi bikadindiza amazi ya sima. inzira. Niba agaciro ka PH kari muri alkaline, minisiteri izagaragara mugihe cyambere-imbaraga. Ubu inganda nyinshi zikoresha sodium karubone kugirango ihindure agaciro ka pH. Sodium karubone ni ubwoko bwihuse bwo gushiraho. Sodium karubone itezimbere imikorere yubuso bwa sima, iteza imbere ubumwe hagati yuduce, kandi ikarushaho kunoza ububobere bwa minisiteri. Muri icyo gihe, karubone ya sodium ikomatanya vuba na calcium ion muri minisiteri kugira ngo itere imbere ya ettringite, kandi sima irundanya vuba. Kubwibyo, agaciro ka pH kagomba guhinduka ukurikije abakiriya batandukanye mubikorwa nyirizina.
Umwuka winjiza ikirere cya Hydroxypropyl Methyl Cellulose Ether
Ingaruka yinjira mu kirere ya hydroxypropyl methylcellulose ether ahanini ni ukubera ko selile ether nayo ari ubwoko bwa surfactant. Igikorwa cyimikorere ya selulose ether kiboneka cyane kuri gazi-yamazi-ikomeye. Ubwa mbere, kwinjiza umwuka mubi, bikurikirwa no gutatanya n'ingaruka za Wetting. Ether ya selile irimo amatsinda ya alkyl, agabanya cyane uburemere bwubutaka hamwe nimbaraga zamazi hagati yamazi, bigatuma byoroha kubyara utubuto duto duto twafunze mugihe cyo gukurura igisubizo cyamazi.
Gel Ibyiza bya Hydroxypropyl Methyl Cellulose Ether
Nyuma ya hydroxypropyl methylcellulose ether imaze gushonga muri minisiteri, amatsinda ya metoxyl na hydroxypropyl kumurongo wa molekile azitwara hamwe na calcium ion na aluminium ion muri slurry kugirango akore geli yuzuye kandi yuzuze icyuho cya sima. , kunoza compactness ya minisiteri, ukine uruhare rwo kuzuza byoroshye no gushimangira. Ariko, mugihe matrike igizwe nigitutu, polymer ntishobora kugira uruhare rukomeye rwo gushyigikira, bityo imbaraga nigipimo cyikigereranyo cya minisiteri kigabanuka.
Imiterere ya firime ya Hydroxypropyl Methyl Cellulose Ether
Nyuma ya hydroxypropyl methyl selulose ether yongewemo kugirango hydrated, hashyizweho urwego ruto rwa firime ya latex hagati ya sima. Iyi firime ifite kashe kandi iteza imbere kwumisha hejuru ya minisiteri. Bitewe no gufata neza amazi ya hydroxypropyl methylcellulose ether, molekile zamazi zihagije zibikwa imbere muri minisiteri, bityo bigatuma hydrata ikomera ya sima hamwe niterambere ryuzuye ryimbaraga, igahindura imbaraga zihuza za minisiteri, kandi mugihe kimwe ikanatezimbere ubumwe bwa minisiteri, bigatuma minisiteri igira plastike nziza kandi igahinduka.
Igihe cyoherejwe: Gicurasi-23-2023