Usoro nkewapụ gel maka ikewapụ serum na mkpụkọ ọbara

Usoro nkena-ekewa jel

Gel nkewa nke serum bụ nke hydrophobic organic ogige na silica ntụ ntụ.Ọ bụ thixotropic mucus colloid.Ọdịdị ya nwere ọnụ ọgụgụ buru ibu nke njikọ hydrogen.N'ihi njikọ nke njikọ hydrogen, a na-emepụta usoro netwọk.N'okpuru ọrụ nke ike centrifugal, a na-ebibi ma gbanwee usoro netwọk ahụ.Maka mmiri mmiri na viscosity dị ala, mgbe ike centrifugal na-apụ n'anya, ọ na-emegharị usoro netwọk, nke a na-akpọ thixotropy.Nke ahụ bụ, n'okpuru ọnọdụ okpomọkụ mgbe niile, a na-etinye ụfọdụ ike arụ ọrụ na mucus colloid, nke nwere ike ịgbanwe site na gel viscosity dị elu gaa na steeti sol na-enweghị viscosity, ma ọ bụrụ na ike arụ ọrụ na-apụ n'anya, ọ ga-alaghachi na ya. steeti gel mbụ dị elu dị elu.Freundlich na Petrifi bu ụzọ kpọọ ihe omume nke gel na sol interconversion sitere na omume nke ndị agha.Kedu ihe kpatara mmekọrịta dị n'etiti gel na sol ji eme n'ihi ọrụ nke ike igwe?Thixotropy bụ n'ihi na nhazi nke gel na-ekewapụ nwere ọnụ ọgụgụ buru ibu nke ụlọ ọrụ netwọk hydrogen.Kpọmkwem, njikọ hydrogen ọ bụghị naanị na-etolite otu njikọ covalent, kama ọ na-etolitekwa njikọ hydrogen na-adịghị ike na ụmụ irighiri ihe ndị ọzọ na-adịghị mma n'okpuru ọnọdụ ụfọdụ.N'ebe okpomọkụ dị n'ime ụlọ, njikọ hydrogen na-adị mfe ebipụ iji mee ka nchikota.N'elu silica nwere otu silyl hydroxyl (SiOH) iji mepụta mkpokọta SiO molecular aggregates (ihe ndị bụ isi), nke jikọtara ya na njikọ hydrogen na-emepụta ihe ndị yiri yinye.The yinye silica ụmụ irighiri ihe na irighiri ihe nke hydrophobic organic compound mejupụtara na-ekewa gel n'ihu na-etolite hydrogen agbụ na n'ịwa a netwọk Ọdịdị na mejupụtara gel molekul na thixotropy.

A na-edobe ike ndọda nke gel na-ekewapụta na 1.05, ike ndọda nke serum bụ ihe dịka 1.02, na ike ndọda nke mkpụkọ ọbara bụ ihe dịka 1.08.Mgbe a na-ekewa gel na-ekewapụ na ọbara a na-agbakọta n'ime otu ule nyocha, usoro netwọk nke hydrogen na nchịkọta silica na-akpata site na ike centrifugal na-etinye na gel nkewa.Mgbe e bibisịrị ya, ọ na-aghọ usoro dị ka agbụ, na gel na-ekewapụ na-aghọ ihe nwere obere viscosity.Mkpụkọ ọbara dị arọ karịa gel na-ekewapụ na-aga na ala nke tube ahụ, gel na-ekewapụ na-atụgharị, na-eme ka okpukpu atọ nke ọbara ọgbụgba / kewapụ gel / serum na ala nke tube ahụ.Mgbe centrifuge kwụsịrị ịgbagharị ma tụfuo ike centrifugal, ihe ndị dị na silica aggregates na gel nkewa na-etolite usoro netwọk ọzọ site na njikọ hydrogen, weghachi ọnọdụ gel viscosity mbụ, wee mepụta oyi akwa dịpụrụ adịpụ n'etiti mkpụkọ ọbara na ọbara.