Kedu ihe bụ akụrụngwa nke sellulose a ga - enwe ihe na - emetụta ihe ọ na - emetụta ya?

Akụ kachasị mkpa nke sel na -ewer uze bụ ihe onwunwe ya. Njirimara Rheheloum nke ọtụtụ ndị na-eme ọtụtụ mkpụrụ ndụ na-eme ka ha rụọ ọrụ dị iche iche na mpaghara dị iche iche, na ọmụmụ ihe RENOUTS bara uru na mmepe nke ngwa ngwa ọhụrụ ma ọ bụ nkwalite ụfọdụ ngwa ngwa. Mahadum Shanghai Juo Ngalaba Asụsụ Ngalaba usoro na Njirimara Rheological nkecarboxymethylclose (cmc), gụnyere mmetụta nke comc's molecular usoro molecular na-ahụkarị (molecular dị arọ na ogo nke dochie anya), ph na ike ionic. Nsonaazụ nyocha ahụ gosipụtara na viear vis-shiee nke ihe ngwọta na-abawanye na mmụba nke oke molecular na ogo nke ihe eji eme. Mmụba nke oke molecula pụtara uto nke diolecular yinye n'etiti ụmụ irighiri ihe na-abawanye vist; Nnukwu uru nke dochie eme ka ụmụ irighiri ihe na-abanyekwu na ihe ngwọta ya. Ọnọdụ dị, olu hydrodynamic dị oke ọnụ, na viscosis a na-ebute nnukwu. Viscosity nke cmc Ahia na-abawanye na mmụba nke ịta, nke nwere viscoeline. Viccosite nke ihe ngwọta nke ihe ngwọta ahụ na-ebelata na uru pị uru, na mgbe ọ dị ala karịa uru ụfọdụ, viscosity na-abawanye ntakịrị, ma mesịa free a na-etolite acid. Cmc bụ polymer polymer, mgbe ị na-agbakwunye Monovalent Reeons Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Naa. Ihe mgbakwunye nke mmụọ nke mmụọ nke Chukwu + na-akpata viscosity nke ihe ngwọta iji belata mbụ wee mụbaa. Mgbe ịta ca2 + dị elu karịa nke Stoichimetric, ụmụ irighiri ihe na cam +, yana ihe ndị na-akwado ya na ihe ngwọta. Liang Yaqin, Mahadum North nke China, wdg. Nsonaazụ nyocha ahụ achọtara na: (1) celdroxyethythythythythythythythythythythyth celloseth na-ahụkarị omume omume na-ahụkarị ihe omume na-adịghị ọcha na mmiri dị ọcha, yana viscosity na-abawanye ụba na ụba. The intrinsic viscosity of cationic hydroxyethyl cellulose with high degree of substitution is greater than that of cationic hydroxyethyl cellulose with low degree of substitution. (2) Ihe ngwọta nke celdyythythythythythythyth cellulose ihe ngosi ma nwee njiri mara mma: ka ihe ngwọta ịta na-abawanye, nghọta ya pụtara ìhè na-abawanye; N'otu nza nke nnu, viet doro anya viscosity ọ na-ebelata na mmụba nke itinye uche na mgbakwunye. N'okpuru otu shop ahụ, viocosity nke chec na sistemụ call2 dị oke elu karịa nke chec na sistemụ ngwọta.

Site na mmụba nke nyocha na mgbasawanye na-aga n'ihu nke ngwa ubi, Njirimara nke usoro usoro nri agwakọtara nke usoro ndị mmadụ na-enwetakwa ndị mmadụ. Dịka ọmụmaatụ, a na-eji sodium celloxythythythythythythythythythythyl) na hydroxyeths cellulose (HEC) na-enweghị ihe na-efe efe, nke nwere uru dị ukwuu, mana mmetụta nke iji ha abụghị Ezigbo. Ọ bụ ezie na ndị mbụ nwere ọhụụ nwere ezigbo ọhụụ, ọ na-adị mfe okpomọkụ na sallinity; Ọ bụ ezie na nke ikpeazụ nwere ezigbo ọnọdụ okpomọkụ na nguzogide nnu, ike ya na-adịghị mma ma usoro onunu. Ndị ọrụ nyocha ahụ gwakọtara ngwọta abụọ ahụ ma chọpụta na viscosity nke usoro usoro buru ibu, a ga-akwalite ọnọdụ okpomọkụ na nnupụta ahụ. Verica Sovilj et al. amụọla omume ọjọọ nke usoro a gwakọtara nke Hpmc na Nacmc na Anaionic Surctatrant na Vayonic Surctotant na Vayonic Surctotant na Vaiotic. Omume rụrụ arụ nke sistemụ ahụ dabere na HPMC-Nacmc, Hpmc-SD na Nacmc- (HPMC- SDS) mmetụta dị iche iche mere n'etiti.

Njirimara nke mkpụrụ ndụ mkpụrụ osisi sellulose na-emetụtakwa ihe dị iche iche, dịka ihe mgbakwunye, ike mpụga na ọnọdụ okpomọkụ. Tomrooki hino em. Guo uto nke mgbakwunye nicotine na Njirimara Njirimara nke Hydropyyl Methylcelllose. Na 25c na ịta dị ala karịa 3%, HPMC gosipụtara omume usoro mmiri Newtontian. Mgbe a gbakwunyere nicotine, viscosis na-abawanye, nke gosiri na Nicotine mụbara na njedebe nkeHpmcmolecules. Nicotine dị ebe a gosipụtara nsonaazụ salting na-ewelite isi ihe na-ewu ewu na ụfụfụ hpmc. Ike nke ndị dị ka Force ike ga-enwe mmetụta na akụrụngwa nke sel niile. Iji ngbasate rhiologimita na obere ọkụ ọkụ na-agbasasị ngwa ngwa, ọ na-ahụta na nke na-emegharị ahụ, na-abawanye ọnụego osisi, n'ihi mmụba nke isi ihe ga-aba ụba.


Oge Post: APR-28-2024