Ọrụ dị mkpa nke cellugul na ngwa agha

Mkpụrụ osisi ether nwere ike bulite arụmọrụ nke ngwa agha mmiri, ma bụrụ isi ihe na-emetụta arụmọrụ owuwu nke ngwa agha. Ezi uche nke usoro cellugul nke ụdị dị iche iche, ụdị ọhụụ, ogo dị iche iche, ogo dị iche iche ga-enwe mmetụta dị mma na arụmọrụ nke ngwa agha akọrọ. Ugbu a, ọtụtụ masonry na ngwa ngwa na-agba ngwa ngwa nwere arụmọrụ mmiri mmiri, na mmiri slurry ga-ekewapụ mgbe ọ gafechara. Njikwa mmiri bụ arụmọrụ dị mkpa nke methyl cellulose eather, ọ bụkwa arụmọrụ nke ndị na-emepụta ngwa ngwa na ndịda na ndịda na ndịda na-adị elu, toa ntị na mbara igwe. Ihe ndị na - emetụta oke mmiri nke ngwa ntụ ntụ nkụ na - agụnye mgbakwunye mgbakwunye, viscosisse, ịdị mma nke irighiri ihe, na ọnọdụ okpomọkụ nke ojiji.

Njide mmiri nke celher

N'ime mmepụta ihe owuwu ụlọ, ọkachasị nkụchi ntụ ntụ, mkpụrụ osisi esiri, karịsịa kelite ngwa agha nke ngwa agha (nke a na-agbanwe agbanwe), ọ bụ ihe dị mkpa. Ọrụ dị mkpa nke mmiri-soluble cellulose ether na-enwe akụkụ atọ, otu bụ ikike nnabata, nke ọzọ bụ mmetụta na-agbanwe agbanwe, na nke atọ bụ mmekọrịta ya na ciment. Igwe eji egbochi mmiri nke sel na-adabere na mmiri mmiri dị na mbara ihu, ihe ngwa agha, ọkpụrụkpụ nke ngwa agha, na oge nrụpụta nke ihe eji eme ya. Njide mmiri nke celhulose ether n'onwe ya na-esite na solubality na akpịrị ịkpọasị nke sel na-efe efe. Dịka anyị niile maara, ọ bụ ezie na mkpụrụ ndụ cellular nwere ọnụ ọgụgụ dị ukwuu nke ukwuu, ọ naghị soble na mmiri, n'ihi na ihe owuwu cellulose nwere oke nke mkpu ákwá dị elu. Ikike hydration nke otu hydroxy ezughi iji kpuchie eriri hydrogen siri ike na van der Waals na-agabiga n'etiti ụmụ irighiri ihe. Ya mere, ọ bụ naanị inyocha ma ọ naghị agbari na mmiri. Mgbe a na-ewebata dochie ya n'ime akwara akwara, ọ bụghị naanị na a na-ebibi hydrogen yinye, kamakwa njikọta hydrogen hydrogen a na-emebi emebi n'ihi akara nke a na-ejikọ ọnụ. Nnukwu ihe dị ukwuu n'etiti ụmụ irighiri ihe. Ka ukwuu n'ebe dị anya. Kachasị mmetụta nke imebi agbụ hydrogen, cellulose ether na-agbanye mmiri mgbe ikuku lattice latttose na-agbasa ma ngwọta ndị na-abanye, na-akpụzi ngwọta dị elu. Mgbe ọnọdụ okpomọkụ ahụ na-awa, hydration nke polymer na-emebi emebi, na mmiri dị n'agbatakwa mmiri dị n'etiti agbụ. Mgbe mmetụta akpịrị zuru ezu, ụmụ irighiri akwara na-amalite nchịkọta, na-akpụzi gel nke netwọkụ atọ ma kechie ya.

N'ikwu na-ekwu, viscosity dị elu, ka mma idogide mmiri. Agbanyeghị, viscosity dị elu na ịdị elu molecular arọ, nke kwekọrọ na ya ga-enwe mmetụta na-adịghị mma na ike na owuwu nke ngwa agha. The dị elu viscosity, na-apụtawanye ìhè na nsonaazụ na-arụpụta na ngwa agha, mana ọ bụghị ozugbo. Na viscosity dị elu, ndị na-ahụ mmiri mmiri ga-adị, nke ahụ bụ, n'oge owuwu, ọ na-egosiputa ya ka ịrapara na mpe mpe mpe na mkpụrụ. Mana ọ baghị uru iwelie ike mgbochi mmiri nke mmiri ahụ n'onwe ya. N'oge a na-ewu ihe, arụmọrụ mgbochi Sag apụtaghị. Kama nke ahụ, ụfọdụ ndị na-ajụ oyi ma dị ala ma na-agbanwe usoro Methyl Cellulose nwere arụmọrụ dị mma iji melite ike mgbanyụ mmiri.

Ndị na-eto eto na thixotropy nke cellulose ether

Enwekwara mmekọrịta dị mma n'etiti nha anya nke cent mado na usoro nke cellulose ether. Mkpụrụ ndụ mkpụrụ osisi e nwere ike ịba ụba vishosity nke ngwa agha. Karịa usoro onunu ogwu, ihe doro anya na mmetụta pụtara ìhè. Nnwale ọdịdị nke ọdịiche dị elu nke dị elu na-esiri ike nwere nnukwu Thixtotropy, nke bụkwa isi agwa nke sel.

Ndị na-adabere na ogo polymerization nke cellulose eather, ngwọta ngwọta, ọnụego na ọnọdụ ndị ọzọ. Ihe onwunwe nke ihe ngwọta nke ihe ngwọta bụ pụrụ iche na alkyl Cellulose na agbanwee. Njirimara gelenation bu ihe metụtara ogo nke nbanye, itinye uche na ihe mgbakwunye. N'ihi na hydroxyalkyl na-eme ka usoro nke GErivatives, yana akụrụngwa GEN na ogo mgbanwe nke hydroxyalli. Maka obere viscosity Mc na HPMC, 10% -15% enwere ike ịkwadebe, viscosity Mc na HPMC nwere ike ịkwadebe ihe ngwọta nke na-edozi nke ọma site na 1% -2% Ngwọta. Nnukwu molecular ibu nke euthallose eut nwere arụmọrụ dị elu. N'ime otu ihe ngwọta, polymers nwere ihe dị iche iche dị iche iche nwere ụdị ọhụụ. Ogo dị elu. Enwere ike nweta ihe a lekwasịrị anya site na ịgbakwunye nnukwu molecular nke dị ala. Visatyhụ ya enweghị obere ịdabere na ọnụego ya, na visciosity nke dị elu na-erute viscosity, yana mgbakwunye achọrọ dị obere, na visces na-adabere na arụmọrụ dị iche iche. Ya mere, iji mezuo ụfọdụ mkpụrụ osisi, ụfọdụ mkpụrụ osisi cellulose (ịta nke ihe ngwọta) na usoro viscosity ga-ekwerịrị. The gel nke ngwọta nke ihe ngwọta na-ebelata ihe ngwọta na mmụba nke ngwọta nke ihe ngwọta, na gels na ụlọ okpomọkụ mgbe ị rutere ụfọdụ itinye uche. Glellings ịta nke Hpmc dị elu na ụlọ okpomọkụ.

Ighapu nke cellulose ether

Ọrụ nke atọ nke cellulose ether bụ igbu oge hydration usoro ciment. Mkpụrụ osisi ether kwekọrọ na ihe ndị bara uru na akụrụngwa bara uru, ma na-ebelata akụkụ mbụ hydration hydration nke ciment ma na-egbu oge hydration usoro nke ciment. Nke a bụ ihe na-adịghị mma maka iji ya na ngwa agha na mpaghara oyi. A na-eme ihe nlegharị anya a site na mgbasa ozi nke cellulose evet molecules na ngwaahịa hydration dị ka Csh na CA (Oh) 2. N'ihi mmụba nke viscosity nke poret a na-edozi, cellulose e jilata ngagharị nke eons na ngwọta, si otú ahụ na-egbu oge hydration usoro. Nke elu nke cellose eather na ihe gel, nke a na-akpọkarị mmetụta nke hydration oge. Ọ bụghị naanị n 'oge na-egbu oge, mana na-egbu oge ike nke usoro ngwa agha ciment. Mmetụta na-akwụ ụgwọ nke cellulose ether dabere ọ bụghị naanị na ntinye ya na sistemụ gel, kamakwa na usoro kemịkal. Nke dị elu ogo nke methylation nke hemsc, ka mma na-ekwupụta mmetụta nke celluse ether. Akwa nke nnweta hydrophilic na-abawanye uru na-azụ ahịa siri ike. Agbanyeghị, viscosity nke cellose ether enweghị mmetụta na-enweghị mmetụta na hydrary Kinetics.

Na ngwa agha, mkpụrụ osisi eathal na-egwu ọrụ njigide mmiri, ebe na-egbu egbu, na-egbu egbu obi ụtọ ike, na ime ka arụmọrụ owuwu. Ikike nnabata mmiri dị mma na-eme ka ciment hydration zuru oke, nwere ike ime ka viscosity mgbochi mmiri nke ngwa agha, na-abawanye ike nke ngwa agha, ma na-eme ka oge na-emepụta ngwa agha, na-eme ka oge a na-eme nke ọma. Dinggbakwunye celllose ether na-eme ka ịpị ngwa agha nwere ike ime ka spraying ma ọ bụ gbanye ọrụ na ike nhazi nke ngwa agha. Ya mere, a na-eji eth cell na-ejikarị ihe dị ka ihe dị mkpa na ngwa ngwa