Chiedza chinoputika che hydroxyprusyl methylcellose chinonyanya kukanganiswa neye zvinotevera pfungwa:
1. Hunhu hwezvinhu zvisina kugadzirwa.
Chechipiri, mhedzisiro yeayo.
3. Process ratio
4. Chikamu cheSolvent
5. Mhedzisiro yekusarerekera
Zvimwe zvigadzirwa zvakaita kunge mukaka mushure mekunyungudika, vamwe vane machena machena, mamwe ellowish Dzimwe nguva acetic acid inogona kukanganisa zvakanyanya kujekesa. Zvakanaka kushandisa acetic acid mushure mekudhura. Iyo hombe kukanganisa ndeyekuti maitiro anokurudzirwa zvakanyanya uye kana iyo system ratio yakagadzikana (zvimwe zvinhu zvine unyoro uye zvirimo hazvina kugadzikana, zvakaita solvent inoshandiswa kudzokororwa). Muchokwadi, pane zvakawanda zvinhu zviri kukanganisa. Kana michina yakagadzikana uye vashandisi vakadzidziswa zvakanaka, kugadzirwa kunofanirwa kuve kwakasimba. Iko kujekesa kwechiedza hakuzopfuure huwandu hwe ± 2%, uye kutsiva kusaenzana kwemapoka akashata anofanirwa kudzorwa zvakanaka. Panzvimbo pekufanana, kuputika kwechiedza kungave kwakanaka.
Zvinhu zvinokanganisa zvevisiko zve hydroxyprupyl methyl cellulose
Yakakwira-viscosity hydroxyprospropyl methylcellose haigoni kubereka zvakanyanya mheremalose cellulose chete nekubuda uye nitrogen kutsiva mukugadzira. Kazhinji, kugadzirwa kwekakwirira-viscosity cellulose mu china haigone kudzorwa. Nekudaro, kana okisiObyjasi yeOmygeni kuyera inogona kuiswa muKettle, kugadzirwa kweVaisikoka kwaro kunogona kudzorwa.
yakagadzirwa. Mukuwedzera, kufunga nezvekumhanya kwekutsiva kweNitrogen, zviri nyore kuburitsa zvigadzirwa zvepamusoro-viscosity zvisinei nekuti system yemigwagwa sei. Ehe, iyo degree rePolymerization yekotoni yakanatswa ndiyo yakakoshawo. Kana izvo zvisingashande, itai zviite nehydrophobic ushamwari. Kune vamiririri venhamo munzvimbo ino kuChina. Rudzi rwesangano rei rekudyidzana kuti risarudze rine pesvedzero huru pakuita kwechigadzirwa chekupedzisira. Iyo yakasara oksijeni iri mune inokonzeresa inokonzeresa mheremalose uye kuderera kwehuremu hwemanyorero, asi okisiligine yakasara ishoma, chero bedzi mamalekyu akaomeserwa, hazvina kuoma kuita viscosity yakakwira. Nekudaro, chiyero cheguta chine zvakawanda chekuita nezviri mukati mehydroxyprupyl. Mamwe mafungu anongoda kuderedza mutengo nemutengo, asi vasingade kuwedzera zviri mukati mehydroxyropropyl, saka kunaka hakugone kusvika padanho rezvigadzirwa zvakafanana. Iyo yekuchengetwa kwemvura yechigadzirwa ine hukama hukuru ne hydroxypruppropropropropropyl, asi zvakare maitiro ese ekugadzirisa mvura, alkalization yemethyl chloride, ratio ye methyl chloriide Iyo ratio yekunyatsonatswa cottoni inosarudza kuita kwechigadzirwa.
Kutumira Nguva: May-23-2023