A na-enwe mmetụta nke hydroxypypylthylcelllose

Gydroxypyl Methylcelllose na-eme ka ihe viesity na-eme ka ihe dị mma dị n'etiti mmiri mmiri na ibu oyi akwa, ma meziwanye arụmọrụ mgbochi nke ngwa agha. na ngwa agha. Mmetụta nke cellulose evet nwere ike ịbawanye ike ihe na ihe ndị dabeere na-egbochi ya, na-egbochi mmegharị, ma enwere ike iji ya na ihe na-eme ka ihe dị mkpa.

Hydroxypyl Methylcellose na-abawanye viscosity nke ihe ciment n'ihe sitere na viscosity nke sel sel ehuru. A na-enyocha viocosis nke Ethes nke Ethethes site na Index Index "viscosity". Vieo na-ahụ maka ikuku nke sel na-ezo aka na ụfọdụ ihe (dịka 2%) na-eji ngwa agha a kara aka (ma ọ bụ na-agbagharị, dị ka 20 RPM).

Visaty bụ ihe dị mkpa iji nyochaa arụmọrụ nke ether. Nnọọ elu viscosity nke hydroxypropyylthylthyl methylcosite nke ciment, ka mma nrasion nke mkpụrụ, ka mma mgbochi na ikike mgbochi. Siri ike, mana ọ bụrụ na ọ buru oke ibu, ọ ga-emetụta ndị na-agbanwe mmiri na arụmọrụ nke ihe onwunwe ciment (dị ka ịrapara na mmachi ebe a na-ere ọkụ. Ya mere, viscosity nke sel other ejiri ya na ngwa agha a gwakọtara na-abụkarị 15,000 ~ 60,000. S-1, ngwa agha nke onwe ya na nke onwe na-achọ ka mmiri dị elu chọrọ obere viscosity nke sel.

Ke adianade do, mmetụta nke hydroxypyl Methylcellose na-abawanye chọrọ mmiri ciment, si otú a na-amụba mkpụrụ nke ngwa agha.

Nje viscosity nke hydroxypropyythlthyl methylcellose ngwọta dabere na ihe ndị a:

Ibu oke ikuku nke polmerization (ma ọ bụ ogo polymerization) na ịta, ọnọdụ okpomọkụ, ọnụego ya, na usoro nnwale.

1. Onye kachasị elu nke polmerization nke cellose eat cellulose ether, nnukwu molecular ibu, na nke viscosity dị elu;

2. Onye dị elu na-agbanwe agbanwe (ma ọ bụ itinye uche) na viocosis nke ọma, ma ọ kwesịrị ịkwado usoro ọgwụgwọ ya mgbe ị na-eji ya eme ihe ma na-emetụta ọrụ nke ị na-arụ ọrụ nke ngwa agha na ihe;

3. Dị ka ọtụtụ mmiri, viscosity nke cellulose a ga - ebelata na mmụba nke okpomọkụ, na elu ịta ahụ nke cellose eart, ka ukwuu mmetụta nke okpomọkụ;

4. Ihe ndọpụ ndọtị setịpụrụ na-abụkarị pseudoplastics nwere shear thing akụrụngwa. Nke dị elu na-atụ ọnụego ya n'oge ule ahụ, na-ala ala viscosity.

Ya mere, cohesion na-ebelata ọkụ n'ihi ike nke ike, nke bara uru owuwe ihe ọkụkụ nke ngwa agha, nke mere na ngwa agha ahụ nwere ike ịnwe ezigbo ọrụ na cohesion n'otu oge. Agbanyeghị, mgbe ịta nke ewer sel extrable dị ala na viscosity dị obere, ọ ga-egosi njirimara nke mmiri mmiri Newtontian. Mgbe ịta ahụ na-abawanye, ihe ngwọta ga-eji nwayọọ nwayọọ gosi njirimara pseudoplastic, na elu ịta, na pseudoplastity.