Otu hydroxy nacellugul etherMolecules na oxygen atọ na agbụ nke eat ga-etolite hyrogen nwere molecules mmiri, na-atụgharị mmiri na mmiri, si otú a na-arụ ọrụ dị mma na mgbochi mmiri; Mgbakwunye nke dị iche iche n'etiti ụmụ irighiri mmiri na mkpụrụ ndụ na-enye mmiri mmiri na-enye ohere ịbanye na mpaghara akwara, si otú a na-eme ka njigide nke ciment slurry; Ihe eji eme ihe na-eme ka ihe outhel na-eme ka ihe okirikiri nke ọma na nsogbu nke osmotic slurry ma ọ bụ ihe nkiri nke celluluse ether na-egbochi mgbasa nke mmiri.
Njide mmiri nke celhulose ether n'onwe ya na-esite na solubality na akpịrị ịkpọasị nke sel na-efe efe. Ikike hydretion nke otu hydroxy ezughi iji kwụọ ụgwọ hydrogen siri ike na van der Waless na-egbochi ndị agha n'etiti irighiri mmiri, yabụ na ọ na-agbari na mmiri. Mgbe a na-ewebata ndị nọchiri anya n'ime akwara akwara, ọ bụghị naanị na a na-ebibi eriri hydrogen n'ihi na ịgbanwe ụdị dị n'etiti. Nnukwu ndị a rụpụtara, ndị ka ukwuu n'etiti irighiri akwara, na ka ukwuu mmetụta nke imebi agbụ hydrogen. Mgbe seltice Lattice aza, ihe ngwọta na-abanye, na cellulose ehuru na-agbanye mmiri, nke na-arụ ọrụ dị elu, nke na-ekere òkè dị elu na njigide mmiri.
Ihe ndị na-emetụta arụmọrụ mmiri:
Ọdịnaya nke cellulose Ether, ka mma ijigide na viscosis, na elu molecular ibu nke cellulose eth, nke nwere mmetụta na-adịghị mma na itinye uche na arụmọrụ nke ngwa agha. Na-ekwukarị, maka otu ngwaahịa ahụ, nsonaazụ viscosise dị iche iche dị iche iche, yabụ mgbe e jiri viscosity, ọ ga-arụ ọrụ n'etiti ụzọ nnwale ahụ (gụnyere okpomọkụ, wdg).
Ego: Ọtụtụ mgbe, obere mkpụrụ osisi cellulose e nwere ike ime ka mmiri dị mma nke ngwa agha. Mgbe ego ruru otu ọkwa, omume nke ọnụego mbelata mmiri na-agbada.
Uru na-emekwu: Ihe dị oke ọnụ, mmachi mmiri ahụ ka mma. Mgbe nnukwu osisi cellulose nke cellulose nke cellulose na-akpọtụrụ mmiri, elu na-agbaze ozugbo ma na-akpụzi gel iji gbochie ihe ndị ahụ iji gbochie igwu mmiri. Mgbe ụfọdụ, ọbụlagodi oge na-akpali agụụ ogologo oge enweghị ike inye mgbasa ozi na mgbasa, nke na-akpụgharị ọgbaghara rocculent ma ọ bụ agglomeration, nke na-emetụta oke njigide mmiri nke cellulose ether. Soro solubution bụ otu n'ime ihe maka ịhọrọ ether. Finveness bụkwa ihe dị mkpa na-egosi ihe ngosi nke methyl cellulose ether. Faneness na-emetụta mbọ nke solthyl cellulose ether. Coarser Mc na-abụkarị n 'ike na-etisasị na mmiri na-enweghị agglomeration, mana ọnụ ọgụgụ na-adịghị ada ada ma ọ dịghị mma maka ngwa agha.
Ọnọdụ okpomọkụ: Dị ka okpomọkụ na-agbadata, njigide mmiri nke eyers na-agbadata, mana ụfọdụ ndị na-eme mgbanwe na-enwekwa ezigbo mmiri dị n'okpuru ọnọdụ okpomọkụ dị elu; Mgbe ọnọdụ okpomọkụ na-awa, hydle ndị polowres na-ebelata ike, a na-achụpụ mmiri dị n'agbata. Mgbe mmiri dara ada zuru oke, ụmụ irighiri akwara na-amalite nchịkọta iji mepụta gel nke netwọkụ atọ.
Ihe owuwu molecular: A na-ekwu okwu dị ala nwere obere njigide ka mma.
Ndị na-eto eto na Thixotropy
Thischende:
Mmetụta nke ịdị na-arụ ọrụ na arụmọrụ: sel cellugul na-enye ike mgbochi mmiri nke ngwa ngwa, nke nwere ike ịbawanye ikike nke ngwa agha ma meziwanye arụmọrụ mgbochi nke ngwa agha. A na-ejikarị ya na ngwa agha plasta, nke na-ejikọ ya na mmiri mgbachi na sistemụ Mgbidi 3.
Mmetụta nke ihe omume: Mmetụta ndị na-arụ ọrụ nke ụrọ cellushose nwekwara ike ịbawanye ikike mgbochi na nke a gwakọtara agwakọta, ma enwere ike iji ya na eriri dị iche iche .
Isi mmalite na mmetụta nke mmetụta dị iche iche: mmetụta ndị dị omimi na ihe ciment na ihe ndị sitere na ciment na-abịa site na viscosity nke sel ehuru evether. N'okpuru otu ọnọdụ ahụ, dị elu viscosity nke cellulose ether, ka mma viscosise ihe, ma ọ bụrụ na viscosity nke ihe onwunwe (dị ka ịrapara na plasta ahụ ). Ahịrị nke onwe ya na iche iche na-eme nke onwe ya na ihe dị oke ala chọrọ chọrọ obere victose ether. Na mgbakwunye, ihe na-eme ka mmetụta nke cellulose ewer ga-abawanye chọrọ mmiri ciment ma nwekwuo mmeghe nke ngwa agha.
ThixOtropy:
Nnwale ọdịdị nke ọdịiche dị elu nke dị elu na-esiri ike nwere nnukwu Thixtotropy, nke bụkwa isi agwa nke sel. Ọkpụkpụ osisi nke methyl cellulose na-enwe pseudoplity na-abụghị thixotropic dị n'okpuru okpomọkụ ya, mana na-egosipụta Njirimara Flanda Skill na obere shiee. Pseudoplastity na-abawanye na mmụba nke akwara mkpụrụ osisi cellular ma ọ bụ ịta ahụhụ, enweghịkwa ihe ọ bụla gbasara ụdị nke dochie anya. Ya mere, usoro cellulose nke otu viscosit, ma MC, HPMC, ma ọ bụ hemc, na-egosi otu ihe ndị na-egbu egbu nri mgbe niile dị ka uche na ọnọdụ okpomọkụ na-adịgide. Mgbe ọnọdụ okpomọkụ ahụ na-awa, a na-akpụzi gel, na nnukwu ebili mmiri na-aga. Ethshers cellugul nwere nnukwu ịta na obere viscosity na-egosi Thixtotropy ọbụna n'okpuru okpomọkụ gel. Ngwongwo a bara uru nke ukwuu maka idozi ọkwa na ịkpa oke nke ngwa agha ụlọ n'oge owuwu.
Mmam
Kpụrụ na mmetụta na arụmọrụ ọrụ: Celdigul Ether nwere mmetụta nke ikuku dị mkpa na ihe ndị dabeere. Celdlose Ether nwere hydrophy iche (otu Hydroxy) na otu hydrophobic otu (ìgwè methy, ngbasa glucose). Ọ bụ ihe a na-ahụ maka ọrụ dị elu, si otú a na-enwe mmetụta nke ikuku. Mmetụta nke ikuku ga-emepụta bọlbụ, nke nwere ike ime ka arụmọrụ nke ọma, dị ka ịba ụba plastity na ngwa agha, nke bara uru ịgbasa mgbasa ozi; Ọ ga-abawanye nke ngwa agha ma belata ọnụahịa nrụpụta nke ngwa agha.
Mmetụta nke arụ ọrụ: Mmetụta ntinye aka ikuku ga-eme ka ihe omimi nke ihe ndị siri ike ma belata ihe ndị metụtara ya dịka ike na ike modulu.
Mmetụta na ọnya afọ: dị ka ihe na-enye ya n'anya, e nwere mkpụrụ osisi na-eme ka mmetụta ciment, nke ya na nsonaazụ ya na-abawanye na ihe ndị sitere na ihe ndị dabesị ciment, mana nsonaazụ ya na-eme ka ọnya ahụ belata. Mmetụta nke cellose ether na mmiri nke ihe ciment bụ ngwakọta nke nsonaazụ rọba na nke na-eto eto. N'ikwu okwu n'ozuzu, mgbe cellulose egwe na-achasi ike dị ala, ọ na - egosipụta ìhè dị ka ihe na - ebelata mmiri; Mgbe usoro ọgwụgwọ dị elu, mmetụta nke cellose etitise na-abawanye ngwa ngwa, ọ na-eme ka mmetụta ikuku ya jupụta, yabụ, ọ pụtara ìhè dị ka oke mmiri chọrọ.
Oge post: Dec-23-2024