Chii chinonzi ethylcellulose chinogadzirwa kubva?

Ethyl cellulose i polymer yekugadzira iyo inotorwa kubva kune yechisikigo cellulose, yakajairika chimiro chikamu chechirimwa masero madziro. Kugadzirwa kwe ethyl cellulose kunosanganisira kugadziridzwa kwemakemikari echisikigo cellulose uchishandisa ethyl chloride uye catalyst kuburitsa ethyl ether kubva kune cellulose.

Iyo nzira inotanga nekucheneswa kweselulosi kubva kune zvinomera, senge pulp yehuni kana donje. Iyo yakacheneswa cellulose inobva yanyungudutswa mumusanganiswa wezvinonyungudutsa, senge ethanol nemvura, kugadzira mhinduro ye viscous. Ethyl chloride inozowedzerwa kune mhinduro, pamwe chete necatalyst, iyo inofambisa maitiro pakati pe cellulose uye ethyl chloride.

Munguva yekupindura, iyo ethyl chloride molecule inotsiva mamwe emapoka ehydroxyl pacheni ye cellulose, zvichikonzera kuumbwa kwe ethyl cellulose. Iyo dhigirii ye ethoxylation, kana nhamba yemapoka ethyl akasungirirwa kune yega yega glucose unit mucheni ye cellulose, inogona kudzorwa panguva yekuita kuti ibudise ethyl cellulose ine hunhu hwakasiyana uye solubility hunhu.

Mushure mekuita kwapera, iyo inoguma ethyl cellulose inonatswa uye yakaomeswa kuti ibvise chero zvasara zvinonyungudutsa kana tsvina. Chigadzirwa chekupedzisira ihupfu chena kana yero inonyungudika mune zvakasiyana siyana zveorganic solvents, asi isinganyungudika mumvura.

Pakazere, ethyl cellulose i polymer yekugadzira iyo inotorwa kubva kune yakasikwa cellulose kuburikidza nemakemikari ekugadzirisa maitiro anosanganisira kuwedzera ethyl mapoka kune cellulose cheni.