Hydroxypropyl methylcellulose ya mankhwala a tsiku ndi tsiku ndi polima yopangidwa kuchokera ku thonje lachilengedwe la cellulose kudzera mu kusintha kwa etherification. Cellulose ether ndi yochokera ku cellulose yachilengedwe. Kupanga kwa cellulose ether ndi kosiyana ndi ma polima opangidwa. Zinthu zake zofunika kwambiri ndi cellulose, chinthu chachilengedwe cha polymer. Chifukwa cha kapangidwe ka cellulose yachilengedwe, cellulose yokha ilibe mphamvu yochitapo kanthu ndi zinthu zothira etherification. Komabe, pambuyo pochiza mankhwala otupa, ma hydrogen amphamvu pakati pa unyolo wa mamolekyu ndi unyolo amawonongeka, ndipo kutulutsidwa kwa hydroxyl kumakhala reactive alkali cellulose. Pezani cellulose ether.
Hydroxypropyl methylcellulose ya mankhwala a tsiku ndi tsiku ndi ufa woyera kapena wachikasu pang'ono, ndipo ndi wopanda fungo, wopanda kukoma komanso wopanda poizoni. Chosungunulira chomwe chingafalitsidwe mwachangu m'madzi ozizira ndikusakanizidwa ndi zinthu zachilengedwe, ndipo chimafika pamlingo wapamwamba kwambiri pakapita mphindi zochepa kuti chipange yankho lowoneka bwino la viscous. Madzi amadzi ali ndi ntchito pamwamba, mawonekedwe apamwamba, kukhazikika kwamphamvu, ndipo sakhudzidwa ndi pH akasungunuka m'madzi. Ali ndi mphamvu zokhuthala komanso zoletsa kuzizira m'ma shampu ndi ma shampu, ndipo amasunga madzi komanso amatha kupanga filimu yabwino pa tsitsi ndi khungu. Chifukwa cha kukwera kwakukulu kwa zinthu zoyambira, cellulose (chokhuthala choletsa kuzizira) chomwe chimagwiritsidwa ntchito mu sopo wochapira zovala, shampu, ndi shampu gel chingachepetse mtengo kwambiri ndikukwaniritsa zomwe mukufuna.
Makhalidwe ndi ubwino wa tsiku ndi tsiku mankhwala kalasi madzi ozizira instant cellulose HPMC:
1. Kukwiya kochepa, kutentha kwambiri komanso kosakhala poizoni;
2. Kukhazikika kwa pH yotakata, komwe kungatsimikizire kukhazikika kwake pamlingo wa pH 3-11;
3. Kulimbitsa thupi;
4. Wonjezerani thovu, limbitsani thovu, thandizani khungu kuoneka bwino;
5. Kuwongolera bwino kusinthasintha kwa dongosolo.
6. Yosavuta kugwiritsa ntchito, ikani m'madzi ozizira kuti imwazikane mwachangu popanda kuphwanyika
Kuchuluka kwa ntchito ya HPMC ya mankhwala a tsiku ndi tsiku:
Amagwiritsidwa ntchito mu sopo wochapira zovala, shampu, chotsukira thupi, chotsukira nkhope, lotion, kirimu, gel, toner, conditioner, zinthu zokongoletsera, mankhwala otsukira mano, chotsukira pakamwa, ndi madzi osefukira a chidole.
Udindo wa HPMC wa mankhwala a tsiku ndi tsiku:
Mu ntchito zokongoletsa, imagwiritsidwa ntchito makamaka pakukhuthala, kutulutsa thovu, kusakaniza bwino, kufalikira, kumatira, kukonza mawonekedwe a filimu ndi kusunga madzi a zodzola, zinthu zokhala ndi kukhuthala kwakukulu zimagwiritsidwa ntchito pakukhuthala, zinthu zokhala ndi kukhuthala kochepa zimagwiritsidwa ntchito makamaka pakufalikira ndi kupanga filimu.
Ukadaulo wa HPMC wa mankhwala a tsiku ndi tsiku:
Kukhuthala kwa ulusi wa hydroxypropyl methyl woyenera makampani opanga mankhwala tsiku ndi tsiku ndi 100,000, 150,000, ndi 200,000. Nthawi zambiri, kukhuthala kwakukulu kumagwiritsidwa ntchito kwambiri, ndipo kukhuthala kwake ndiko kwabwino kwambiri. Malinga ndi njira yanu, kuchuluka kwa zowonjezera mu chinthucho nthawi zambiri kumakhala 1,000. Zigawo ziwiri mpaka magawo anayi pa chikwi chimodzi.
Kusamalitsa
Hydroxypropyl methylcellulose yopangidwa ndi mankhwala a tsiku ndi tsiku imakhala ndi mawonekedwe osawoneka bwino, imakhuthala pang'ono, imachepa ikasungidwa kwa nthawi yayitali, ndipo zina zimatha kukhala ndi nkhungu. Pofuna kupewa kuchuluka kwa cellulose panthawi yogwiritsa ntchito, iyenera kusunthidwa isanakhazikike.
Nthawi yotumizira: Epulo-14-2023