Nigute impumuro ya hydroxy oppepyl methylcellse igira ingaruka kumico?

Ni izihe ngaruka zingana na odor kuri hydroxypropyl methylcellse:

Synthesis ya HydroxyPropyl MethylcellUlose: Fata ipamba itunganijwe hamwe na Lye kuri 35-40 ° kuri 35 Shira fibre ya alkali muri kattle yabayeho, ongeraho imyanda ya proglene na methyl chloride ikurikiranye, kandi imurika kuri 50-80 ° kuri 50-80 ° C kumasaha 5, igitutu ntarengwa ni hafi 1.8Ma. Noneho ongeraho umubare ukwiye wa Hydrochloric acide na aside ya oxalique kumazi ashyushye kuri 90 ° C gukaraba ibikoresho kugirango wagure amajwi. Umwuma mu kigo. Gukaraba n'amazi kugeza kubogamye. Iyo ubuhehere bwibikoresho biri munsi ya 60%, byuma hamwe numugezi ushyushye kuri 130 ° C kugeza igihe kitoroshye kiri munsi ya 5%.

HPMC yakozwe nuburyo bworoshye bukoresha toluene na isopropanol nkuko bitanga. Niba gukaraba atari byiza, impumuro zicika. Kugeza ubu, ubwiza bwa hydroxypropyl methylcellse hpmc biratandukanye cyane, kandi igiciro kiratandukanye cyane, bigatuma bigora abakiriya guhitamo neza. Iki nikibazo cyo gukaraba, ntabwo bigira ingaruka kubikoreshwa kandi ntakibazo, HPMC yera idakwiye kunuka ibinyoma, udusimba n'inzoga; HPMC yasambanijwe irashobora kunuka impumuro zose, nubwo itariyoroshye, izumva iremereye. Ariko, hydroxpropyl methylcellse yakozwe nababikora bafite impumuro ikomeye hamwe nimpumuro nziza. Ubwiza rwose ntabwo bugera kuri par.

HYPROMMOMELLOSE habonetse impimbano itemewe hamwe namazi adasanzwe yo kubona selile ya alkaline, noneho umukozi wambukiranya, na Isluene, na Ishupropanol yo gutandukana, kunyuranya, guhonyora, nibindi. Nibyiza, hazabaho impumuro, bityo abakoresha barashobora kuyikoresha bafite ikizere.