Hydroxyprusyl methylcellose inzvimbo yakakurumbira yemvura inoumba mhinduro yakajeka uye yakagadzikana mumvura uye inoshandiswa zvakanyanya mune maindasitiri echikadzi, ekuvaka uye ekuvaka. Icho chisiri-ionic cellulose-based staw zvinyorwa zvinovandudza midziyo yekubatanidza uye inobatanidza yechigadzirwa chekupedzisira. Kuti uve nechokwadi chekuita kwakakwirira kwemhando yekuita kwehydroxypropyl methylcellose, chigadzirwa chinoda kuongororwa uye kukodzera usati washandiswa. In this article, we will discuss three reliable ways to tell the quality of hydroxypropyl methylcellulose.
1. Viscosity bvunzo
Iyo viscosity ye hydroxyprusyl methylcellose iparamende yakakosha kuti uone kunaka kwayo. Viscosity ndiko kuramba kwemvura kuyerera uye kunoyerwa mune centipoise (CPS) kana MPA.S. Iyo viscosity ye hydroxyprusyl methylcelloselsellose inosiyana zvichienderana neyakaomesesa uremu uye degree rekutsiva. Yakakwira iyo degree rekutsiva, iyo yakaderera viscosity yechigadzirwa.
Kuti uedze viscosity ye hydroxyprosyl methylcellose, nyungudutsa hushoma hwechigadzirwa mumvura uye shandisa viscometer kuyera zvevisikopo. Iyo viscosity yemhinduro inofanirwa kunge iri mukati meiyo yakakurudzirwa yakapihwa nemutengesi wechigadzirwa. Hydroxy hydroxypropropyl methylcellose chigadzirwa chinofanirwa kuve neyakawirirana viscosity, inova chiratidzo chekuchena uye sifer yeyakaenzana.
2. Kutsiva bvunzo
Dhigirii rekutsiva rinoreva huwandu hwehuwandu hwehuwandu hwemapoka e hydroxyl pamheremalose yakanatswa ne hydroxyprosl kana methyl mapoka. Dhigirii rekutsiva chiratidzo chechenyaya yekuchena kwechigadzirwa, yakakwira iyo degree rekutsiva, iyo yakacheneswa chigadzirwa. Yakakwira-mhando HydroxyprupylSl Methylcellulose Zvigadzirwa zvinofanirwa kuve neyakanyanya degree rekutsiva.
Kuti uedze iyo degree rekutsiva, titration inoitwa nesodium hydroxide uye hydrochloric acid. Sarudza huwandu hwesodium hydroxide inodiwa kuti tisimudzire hydroxproproproproproproproproproprollose uye kuverenga iyo degree rekutsiva uchishandisa fomu inotevera:
Degree rekutsiva = ([Vhoriyamu yeNaoh] X [molarity of naoh] x 162) / ([[
Iyo degree rekutsiva rinofanira kunge riri mukati meiyo yakakurudzirwa yakapihwa nemutengesi wechigadzirwa. Dhigirii rekutsiva kwemhando yepamusoro-mhando hydroxyprishropyl methylcellulose zvigadzirwa zvinofanirwa kunge zviri mukati meiyo yakakurudzirwa.
3. Solubility bvunzo
Iyo solubility ye hydroxyprusyl methylcellose ndiyo imwe kiyi paramende inosarudza mhando yayo. Chigadzirwa icho chinofanira kuve chiri nyore nyore mumvura uye kwete kugadzira mapundu kana gels. Yakakwira-mhando hydroxypruppropyl methylcellulose zvigadzirwa inofanira kunyungudika nekukurumidza uye zvakaringana.
Kuti uite bvunzo yekubvunzurudza, nyungudusa chigadzirwa chidiki chechigadzirwa mumvura uye kumutsa mhinduro kusvikira zvanyungudutswa zvachose. Mhinduro yacho inofanira kuve yakajeka uye yakasununguka kubva pamapundu kana gels. Kana chigadzirwa chisinganyunguze nyore nyore kana mafomu mapundu kana gels, chinogona kunge chiri chiratidzo chemhando isina kunaka.
Mukupedzisa, hydroxyprusyl methylcellose chinhu chakakosha chakabikwa chakashandiswa mumaindasitiri akasiyana siyana. Kuti uve nechokwadi chekuti mhando yepamusoro yechigadzirwa, viscosity, kutsiva uye solubility bvunzo dzinoitwa. Iyi miedzo ichabatsira kunyatsonzwisisa maitiro echigadzirwa uye kubatsira kusiyanisa kunaka kwayo. Yakakwira-mhando hydroxyprupyl methylcellose ine isingaenderane nemawcosity, yakakwira dhigirii rekutsiva, uye ichipaza nekukurumidza uye yakafanana mumvura.
Kutumira Nguva: Jul-11-2023