Enwere ike kewaa ngwa agha tupu mmiri mmiri gwakọtara na mmiri micked na akọrọ, ngwakọta a gwakọtara ya dịka ọnọdụ mmepụta. A na-akpọ mmiri mgbochi mmiri guzobere site na itinye mmiri a na-akpọ mmiri mmiri micked jụrụ oyida mmiri. E nwere ọtụtụ akụrụngwa metụtara ngwa ngwa. Na mgbakwunye na ihe omume ciment, chịkọtara na ịnweta mmasị, a ga-agbakwunye mmasị na ya iji meziwanye plastity ya, njigide mmiri, na-agbanwe agbanwe, na-agbanwe agbanwe na ihe ndị ọzọ. Enwere ọtụtụ ihe mgbakwunye na ngwa-ngwa-ngwa-ngwa-ngwa ngwa, nke a ga-ekewa cellulose eather, stachi ether, rephistrible layx ntụ, benton na si na kemịkal kemịkal. Enwere ike kee ya na ikuku na-abanye na mbubata, eriri mgbochi, ihe mgbochi na-egbochi, na-eme ka nnọchite anya, mmiri na-ebelata, na-agbadata na ndị ọzọ. Akwụkwọ mpempe akwụkwọ a na-atụle nyocha nyocha nke ọtụtụ ndị na-eme ihe na-egosikarị ngwa ngwa.
1.1 Air-Andrain na-abanye
A na-ahụ maka ọrụ na-ahụ maka ọrụ na-arụ ọrụ bụ ụdị onye ọrụ na-arụ ọrụ, ụdị nke ROSin resin, alkyl na alkyl mkpa sulfomic acid. A na-eji hydrophilic otu ihe na-abanye na otu a na-etinye na otu a na-etinye ihe na-enye ikuku na-ejikọ, na-ekesakwa ihe ndị na-eme ka mmiri, iji mee ka njigide mmiri nke ihe mgbochi, Belata ọnụego mfu nke agbanwe agbanwe, obere ikuku ikuku nwere ike iji rụọ ọrụ n'otu oge ahụ, melite pumping na ịgbanyụ ọkụ.
Nsonaazụ na-egosi na ikuku na-etinye ọnụ ọgụgụ buru ibu na-ewebata nnukwu afụba n'ime ngwa agha, na-ebelata ike nguzo na usoro ịmịcha, ma na-ebelata ihe ndị na-emebi ihe. Agbakwunye nke ikuku na-ebelata ike Tenges ike ike nke ngwa agha, na ọnwụ nke eriri afọ ike na-abawanye na mmụba nke usoro onunu ogwu. Igwe na-abanye na ikuku nwere ike ime ka ihe mgbachi ahụ dịgide, 2h na-echepụta ọnụego ya na ọnụego mmiri, ma melite spraying na ịgbaso arụmọrụ nke ngwa agha. N'aka nke ọzọ, ọ na-akpata ọnwụ nke ike agha na nkekọ.
Nsonaazụ gosipụtara na echeghị na nsonaazụ cellose Ether, mmụba nke ngwa agha nke dị njikere, na ikuku na-enwekarị ụba nke ngwa agha na ike njigide na ike na-agbada. Site na ịmụ akwụkwọ ntanetị arụmọrụ nke ngwa agha agwakọtara na Cell na-ahụ maka ihe na-achọsi ike, a ga-atụle ya na mmegharị sel na-egosi mgbe ọgwa. Mkpụrụ osisi euthal nwere ike ibute ọdịda nke ụfọdụ ihe na-achọta ihe na-achọsi ike, nke mere na mmiri na-ejide mmiri belata.
A na-emetụta arụmọrụ nke ngwa agha nke ngwa agha na-etinye aka na onye na-ahụ maka ọrụ na-ebelata. Wang Quanlei chọpụtara na incorde ahụ na-etinye ihe na-etinye ihe na-eweta ihe mgbochi nke ngwa agha, na itinye aka na mgbakwunye nke ngwa agha, nke abụọ nwere ike igbu oge nke mgbanyụ gwịrị. Mgbe abụọ na-agwakọta, ọnụ ala nke ngwa agha anaghị agbanwe ọtụtụ, a na-eme ka nguzogide ndagide.
1.2 Redispersible Lax
Ntugharị na-acha uhie uhie na mbubreyo bụ akụkụ dị mkpa nke ngwa agha ngwa ngwa taa. Ọ bụ mmiri nke polymer mmiri na-eme nke polymer emulsion site na oke okpomọkụ, nrụgide dị elu, ịgba nkụ, ọgwụgwọ na usoro ndị ọzọ. Roger kwenyere na emulsion guzoro site na imeghari ya site na ngwa agha nke posem nwere ike imepụta polymen ihe nkiri na-arụ ọrụ n'ime ihe ọkụkụ ahụ kwụsịrị imebi emebi.
Nsonaazụ na-egosi na ntụgharị ahụ na-acha uhie uhie nwere ike imeziwanye ihe na ihe ọ bụla, melite arụmọrụ na-aga nke ngwa agha, ma nwee ụfọdụ mmalite mbelata. Ndị otu ya na-enyocha mmetụta nke usoro ọgwụgwọ na-eme ka ike ndị mmadụ na-eme ihe ike na ngwa agha dị ka Yoshihiko Ohama, na ngwụcha nke a na-ekpughere gburugburu ebe obibi na ọnọdụ iru mmiri na-agbanwe. Wang na-ejikwa XCT iji mụọ mmetụta dị iche iche dị iche iche dị iche iche dị iche iche na-agbanwe agbanwe na ngwa agha ahụ dị elu n'agbanyeghị ọnụ ọgụgụ oghere na olu nke oghere.
Nsonaazụ na-egosi na mgbe usoro onunu ogwu gbanwetụrụ bụ 1.0% ~ 1.5%, Njirimara nke akara mmụta dịgasị iche iche na-edozi ahụ. Mgbe ịgbakwunye ntụ ntụ mmiri mbubreyo na ciment, hydọpịa nke mbụ nke ciment na-akwụsịlata, mkpụrụ osisi ciment na-ekpuchi, na akụrụngwa nke ciment na-adịwanye mma.
Site n'ọmụmụ ihe ahụ, a na-ahụ na agba na-acha uhie uhie na-acha uhie uhie nwere ike ịrụ ọrụ na -ebelata mmiri, belata oghere nke ngwa agha, ma melite arụmọrụ nke ngwa agha.
N'ime ọmụmụ ihe ahụ, eriri ciment a kapịrị ọnụ bụ 1: 2.5, na-agbanwe agbanwe bụ (70 ± 5) ahọpụtara na ngwakọta agwakọta nke ciment ájá. Ntughari a na 28D microscopic Njirimara nke nmeghari site na se. Nsonaazụ gosiri na ọ dị elu na agwakọta ọnụ ọgụgụ nke na-acha uhie uhie, ndị na-aga n'ihu na-aga n'ihu polymer na-aga n'ihu na ngwaahịa hyderation nke ngwa agha ka mma.
Nchọpụta ahụ gosipụtara na mgbe ị na-agwakọta ya na ngwa agha ciment, ụmụ irighiri ihe na ciment, na-akpụzi usoro netwọkụ, na-eme ka ọ dị mma nke njikọ dị iche iche.
1.3 thitening ntụ
Ọrụ nke nduru bụ iji melite arụmọrụ nke ngwa agha, nke a na-eme n'ọtụtụ ihe dị iche iche, polymers, polymerants na ihe ndị ọzọ pụrụ iche. Ntụ ntụ ahụ na-agbakwunye ntụ ntụ na-agụnye ntụ ntụ, bentonite, inorganic minelener, ọ bụghị naanị na ndagide na ụdị ciment ahụ, nke nwere ezigbo ndakọrịta na ụdị ciment, nke nwere ike ime ka ihe ndị a na-eme ngwa agha. Cao Chun et al.] Study agụrụ ya nke a na-ahụ maka ngwa agha a gwakọtara na ngbanwe nke a na-eme ngwa agha, ma ọ nwere mmetụta dị mma na ogo nke ngwa agha. Akwukwo ahihia di iche-iche nke a na-eme ka ihe a na-eme ka enwee nsogbu nke ndi ozo Ihe ndị na-eme ka ihe ndị na-emebi emebi na ike ịgbada. Ihe niile mejupụtara na-emetụta ịdịte aka nke ngwa ngwa akọrọ, ma mee ka ihe mgbaze nke ngwa agha. Wang Jun, dị ka bennonite na mkpụrụ osisi na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ nke ọma, na-eme ka ọ dịkwuo mma nke ukwuu, na-eme nke ọma na ngụkọta ọnụ nke mmetụta agwakọta na arụmọrụ zuru oke.
1.4 Cell
A na-enweta ụkpụrụ nke mkpụrụ osisi cell site na mpaghara osisi mkpụrụ ndụ site na French Agrarian arùnse Payon na 1830s. A na-eme ya site na imegharị cellulose site na osisi na akwa ya na ceustic soda ma tinyezie ndị na-eme ihe. N'ihi na sellulose ether nwere ezigbo ndozi mmiri, ọfụma, yabụ mgbe ị gbakwunye obere mkpụrụ osisi na ciment na ciment, ọ nwere ike rụọ ọrụ na imeziwanye arụmọrụ nke ngwa agha ọhụrụ. Na ihe ndị dabeere ciment, nke na-ejikarị igwe eji eme ihe na-eji meath methyl (hydroxyyl) nke a na-ejikarị.
Achọpụtara ya na hydropyythlthylthylthylthylcelllose eather (hpmc) nwere mmetụta dị ukwuu na mmiri mmiri, njigide mmiri na ike ike nke ngwa agha. Nsonaazụ na-egosi na cellulose e nwere ike ime ka mmiri dị mma nke ngwa ọgụ, belata nha nke oyi, ma kpọọ ezigbo arụ ọrụ. Mgbe ego nke hydyppppppyl methyl sel dị n'etiti 0.02% na 0.04%, o doro anya na ike gwụrụ belata. Dabere na mgbanwe nke ọdịnaya nke prosyth cellulose eather, mmetụta nke profyth methyl meth na Njirimara nke agbakwunyere agbaziri agbachi. Nsonaazụ na-egosi na sel na-egosi na-etinye arụmọrụ ikuku ma na-eme ka ọrụ na-arụ ọrụ nke ngwa agha, na njigide mmiri ya na-ebelata ogo nke ngwa agha. Ọ bụ ihe dị irè na-aba uru iji melite arụmọrụ nke ngwa agha. Ọmụmụ ihe ahụ chọpụtara na ọdịnaya nke sellose ether ekwesịghị ịdị oke elu, nke ga-eduga mmụba dị ukwuu na ọkụ ọkụ, na-ebute mbelata na oke na oke na oke nke ngwa agha. Zhan ZhenFenng et al. mụụrụ mmetụta nke cellulose ether na akụrụngwa nke ngwa ngwa. Ọmụmụ ihe ahụ gosiri na mgbakwunye nke cellose nke dị mma nke ukwuu ka eme ka mmiri belata mmiri, ma nwee mmiri doro anya mmiri na-agbanwe agbanwe na ngwa agha. Mkpụrụ osisi evet belatara njupụta nke ngwakọta ngwakọta, wee belata oge, ma belata mgbanwe na ike na ike. Mkpụrụ osisi ether na stachi bụ ụdị ihe a na-emekarị na ngwa agha. Mmetụta nke incorporation ha jikọtara ọnụ na ngwa ngwa akọrọ na ngwa agha nke a na-amụ. Nsonaazụ na-egosi na ngwakọta ha jikọtara ọnụ nwere ike ịka mma ike nke ngwa agha.
Ọtụtụ ndị ọkà mmụta amụọla mmetụta nke sellunose ether na ngwa agha ciment. Agbanyeghị, n'ihi ụdị mkpụrụ osisi e nwere sel na paramita molecular dị iche iche, arụmọrụ nke mgbada ciment gbanwetụrụ nke ukwuu. Ou Zhihoa sel cellulose e lere anya dị ka viser na usoro omume nke ciment na-eme ka ị belata, ike na-agbada, ike, nkwụsi ike, ma nwekwaa ike, ma nwetụ ike na-abawanye usoro mgbanwe.
Mmechi ahụ kweisi
(1) Nnyocha ahụ na adcixture dị na nyocha nnwale ahụ, na mmetụta na akụrụngwa nke ihe ndị sitere na ihe ndị dabeere na-enweghị nkwado usoro. A ka nwere nyocha nke ọma na mmetụta nke itinye admixture na mgbanwe nke ihe ndị sitere na ihe ndị dabeere na ihe ndị dabeere na ihe ndị dabeere na ihe ndị dabeere, ike njikọ njikọ.
(2) Iji Ojiji nke Admixture E Kwesịrị pụta ìhè na ngwa injinịa, ọtụtụ nyocha ndị ugbu a ka dị oke nyocha nyocha. Musionsdị dị iche iche nke mgbidi dị iche iche, ogo ihe siri ike nke elu na ọnụego mmiri na-enwe ihe dị iche iche chọrọ na Index anụ ahụ dị njikere. Oge dị iche iche, ọnọdụ okpomọkụ, ike ikuku, ike nke igwe eji eme ihe na usoro ọrụ na-emetụta nsonaazụ nke ngwa ngwa ngwa ngwa. Iji mezuo mmetụta dị mma na injinịaka, adeghtsdị ngwa ngwa ndị dị njikere iche ma nwekwaa usoro nhazi nke usoro na-emepụta usoro, iji nweta njikarịcha oge, iji nweta njikọta kachasị.
Oge post: Feb-20-2025