Ko te methylcecropyllulose he tino rongonui-rewa te waikawa-a-wai e whakaatu ana i te otinga maamaa me te waatea i roto i te rongoā rongoā, kai me nga umanga ahumoana. Ko te rauemi kore-a-rorohiko-kore-inosise-inosise e pai ake ana ki nga hononga hononga me nga korero mo te hua whakamutunga. Hei whakarite i te kounga o te mahi kounga o te hydroxypropyl, me whakamatau te hua me te tohu i mua i te whakamahi. I roto i tenei tuhinga, ka korerohia e maatau e toru nga huarahi pono hei whakaatu i te kounga o te hydroxypropyl methylcellose.
1. Whakamatau Whakamatau
Ko te tirohanga o te hydroxypropyl methylcellulose he tohu nui hei whakatau i tona kounga. Ko te tirohanga ko te ātete o te wai ki te rere me te ine i roto i te cenpipoise (cps), mpa.s ranei Ko te tirohanga o te hydroxypropyl methylcellose e rereke ana i runga i tona taumaha me te tohu whakakapinga. Ko te teitei ake o te tohu whakakapinga, te whakaheke i te ahua o te hua.
Hei whakamatautau i te tirohanga o te hydroxypropyl methylcellulose, ka rewa te iti o te hua ki te wai me te whakamahi i tetahi tohu ki te ine i te whakamaarotanga o te otinga. Ko te matatau o te otinga me waiho i roto i nga waahanga e taunakitia ana e te kaiwhakarato hua. Ko te hua o te hydroxypropypypypypy o te methylcellolose he rite tonu te ahua o te ahua, he tohu nui mo te maaka me te rahi o te matūriki.
2. Whakamatau Whakatairanga
Ko te tohu o te whakakapinga e pa ana ki te paanga o te maha o nga roopu hydroxyl i runga i te cellulose i whakakapihia e te hydroxypropyl ranei nga roopu methyl ranei. Ko te tohu o te whakakapinga he tohu mo te ma o te hua, ko te tohu o te whakakapinga, te pararr o te hua. Ko nga hua o te hydroxypropypropyy hydroxypropyl nga hua methylcellulose he nui te whakakapinga.
Hei whakamatautau i te tohu o te whakakapinga, ka whakatutukihia te titration me te konutai waikawa me te waikawa hydrochloric. Whakaritea te nui o te konutai konuporauxide ki te whakakore i te hydroxypropyl me te tātai i te tohu o te whakakapinga ma te whakamahi i nga tauira e whai ake nei:
Te tohu o te whakakapinga = ([te rahi o te nah] x [molarity of naoh] x 162) / ([taumaha o te hydroxypropyl cellulose] x 3)
Ko te tohu o te whakakapinga kei roto i nga waahanga e taunakitia ana e te kaiwhakarato hua. Ko te tohu o te whakakapinga o nga hua o te hydroxypropyl o te hydroxyprollulose hua kei roto i te waahanga e taunakitia ana.
3. Whakamatau Whakatau
Ko te whakarewatanga o te hydroxypropyl methylcellulose tetahi atu waahanga matua e whakatau ana i tona kounga. Kia ngawari te whakaheke i te wai i roto i te wai, kaore hoki e hanga i nga panga, i nga kareti ranei. Ko te kounga o te hydroxypropyl hydroxypropyl nga hua methylcellulose e tere ana, kia tere te rewa tere.
Ki te mahi i te whakamatautau ururua, ka rewa te iti o te hua i roto i te wai ka whakaohohia te otinga kia memeha katoa. Kia marama te otinga me te kore utu mai i nga panga, i nga kareti ranei. Mena kaore e taea te rewa te hua, te ahua ranei o nga puranga, te oko ranei, he tohu o te kounga kore.
Hei whakamutunga, ko te methylcroplulose he taonga nui e whakamahia ana i roto i nga momo ahumahi. Hei whakarite i te kounga nui o te hua, te mangere, te whakakapi me nga whakamatautau whakamomori. Ko enei whakamatautau ka awhina i te maarama ki nga ahuatanga o te hua me te awhina ki te wehe i tona kounga. Ko te kounga o te hydroxypropyl o te hydroxypropyl methylcellose he riterite tonu, he tohu nui o te whakakapi, ka rewa tere me te whakakotahi i te wai.
Te wa tuku: Jul-11-2023