A na-ekezi ya na ngwa agha ngwa agha na ngwa agha ngwa ngwa na akọrọ - ngwakọta nke ngwakọta dị ka usoro nrụpụta. A na-akpọkọta ngwakọta mgbochi mmiri gwakọtara na mmiri mmiri gwakọtara mmiri, yana ngwakọta siri ike nke a na-akpọ ihe eji akpọ nkụ. E nwere ọtụtụ akụrụngwa metụtara ngwa ngwa. Na mgbakwunye na ihe omume ciment, chịkọtara, na ịnweta mmasị, na-enwe ike ịgbakwunye iji meziwanye plastity ya, njigide mmiri, na nguzosi ike. Enwere ọtụtụ ụdị admixtores maka ngwa ngwa maka ngwa ngwa, nke a ga-ekewa cellulose eather, stachi ether, renochible layx, wdg si na kemịkal kemịkal; Enwere ike kee ya na ikuku na-abanye na ikuku, eriri mgbochi, onye na - emegharị ihe, na - eweghachi, wdg. Isiokwu a na - eme ka nyocha a dị njikere.
1 A na-ahụkarị mmachi maka ngwa ngwa
1.1 Air-Andrain na-abanye
Actining na-abanye na ikuku na-arụ ọrụ, yana ụdị a na-ahụkarị gụnyere rosin resins hydyl nwere hydrophatic na otu hydrophobic na-abanye na ikuku na-abanye na ikuku. Mgbe agbakwunyela onye na-ahụ maka ikuku na ngwa agha ahụ, otu hydrophilic otu nke na-abanye Igwe na-abanye na Molecule bụ ihe ejikọtara ya na ciment ahụ, ebe hydrophobic otu na-ejikọ ya na obere ikuku. Na kesaa ya na ngwa agha, yabụ na-egbu oge na-eme ka njikọta nke ciment, ma na-eme ka ọnụego ikuku dịgide na-arụ ọrụ, na-eme ka nkwụsi sie ike na nkụ nke ngwa agha.
Mmetụta nke ndị na-abanye na-abata na arụmọrụ nke ngwa agha, ihe na-achọta ọnụ ọgụgụ nke obere ikuku, belata nguzosi ike na ịgbasa, ma belata ihe na-esi ísì ụtọ; Ihe mgbakwunye na-abanye na-abanye na-ebelata ikike nke Tensile arụmọrụ nke gwongworo, na ọnwụ nke Fingil office arụmọrụ nke ọdịnaya na-abawanye na mmụba nke ọdịnaya; N'aka nke ọzọ, ihe na-abanye na-eme ka ikuku na-eme ka ọ dịgide na-eme ka ọ bụrụ ọnụego mmiri na-eme ka a na-eme ihe ndị ọzọ na-eme ka ọ na-eme ihe ike na ike nke ike na-eme ka ọ dị ike na ike nke ngwa agha.
Mmetụta nke ndị ọrụ na-abanyekarị na-abanyekarị ngwa ngwa. Ihe nyocha ahụ gosipụtara na na-echeghị mmetụta nke cellose Ether, mmụba nke ụkọ ikuku na-adịkarị njikere nke ikuku na-enwekarị ike, ebe ike njidere mmiri na ike na-ebelata ike; Na site na ọmụmụ ihe nke ngwa agha a gwakọtara na cellulose na cellulose, a na-atụle na mmeghari nke abụọ ahụ ka a na-agwakọta nke ikuku na cell cell. The celllugul eathal nwere ike ibute ndị ọrụ na-abanye na ikuku na-ada, si otú a belata mmiri mgbochi mmiri nke ngwa agha.
Otu agwakọta nke onye na-abanye ụgbọ elu, na-ebelata na-ebelata nnọchite ma ngwakọta nke ha abụọ nwere ike na ngwa agha. Wang Quanlei chọpụtara na mgbakwunye nke ihe oriri na-abawanye ọnụ ala ụkọ mmiri, na mgbakwunye nke ịgbachitere na-ebelata ọnụ ala ụkọ. Ha abụọ nwere ike gbue oge mgbawa nke mgbaaka mgbaaka. Mgbe abụọ na-agwakọta, ndị ụkọ mmiri na-adịghị 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 na-agbanye mmiri site na polymer emullion dị elu site na oke ikuku dị elu na nrụgide dị elu, ịgba nkụ na usoro na usoro ndị ọzọ. Roger kwenyere na emulsion guzosie ike site na ntụ ntụ nke imeohuru ntụ ntụ na-etolite ihe nkiri polymer ihe nkiri na-eme ka ihe nkiri ciment iji guzogide mmebi ahụ.
Ngwa nyocha nke ngwa a na-emegharị anya na ngwụcha ngwụcha na ngwa agha ciment na-egosi na ngwa mgbakwunye nke mmiri, ma nwee ụfọdụ mbelata mmiri. Ndị otu ya na-enyocha ike nke usoro iji ọgwụ na-akpụ akpụ nke ndị mmadụ na-eme ka ha nwee ike na-ekwupụta na ngwụcha ngwụcha na-eme ka ihe ndị ahụ na-ekpughe ebe obibi na ọnọdụ iru mmiri na-agbanwe. Anyị etinyere XCT iji mụọ mmetụta dị iche iche nke ntụ ntụ roba na ngwa agha ahụ, ma kwenye na ngwa agha nkịtị, ọnụ ọgụgụ oghere na olu nke oghere dị iche iche buru ibu.
A họọrọ akara mmụta dị iche iche na ego nke mgbanwe roba gbanwere ka ọ nwalee mmetụta ha na arụmọrụ mgbochi mmiri. Nsonaazụ nyocha gosipụtara na mgbe ọnụọgụ Ruba gbanwetụrụ dị n'usoro 1.0% ruo 1.5%, arụmọrụ nke nzere dị iche iche nke ntụ ntụ roba. . Mgbe agbakwunyere na mbubreyo mbubreyo, a na-agbakwunye ntụ ntụ na ciment, ihe ngosi mbụ nke ciment na-emebi ciment irighiri ihe, a na-akwalite ciment hydrated, na ihe dị iche iche. Site na nyocha, a na-ahụ na ịgwakọta na-emegharị etiti mbubreyo na ciment nwere ike belata ike nke ngwa agha, ma melite arụmọrụ nke ngwa agha.
Ndozi mgbanwe nke redisperpentible mbubreyo na Njirimara nke ulra-ọma aja ciment. Na nyocha ahụ, eriri lime nke edobere bụ 1: 2.5, na-agbanwe agbanwe na-agbanwe agbanwe, nsonaazụ nke polmer na-aga n'ihu na-aga n'ihu nke polymer Ngwa ngwa ngwa, ma ka mma arụmọrụ nke ngwa agha.
Usoro nke imegharị nke Redispertible Datex na EPS Prodution na-egosi nke ọma, na-eme ka ọ bụrụ netwọọkụ ciment, na-akpụzi nke na-edozi ahụ na-enwe njikọ nke na-enwe njikọ nke ọkụ ọkụ.
1.3 ntụ ntụ
Ọrụ nke TUPENGE ntụ ntụ bụ iji melite arụmọrụ zuru oke nke ngwa agha. Ọ bụ ntụ ntụ na-adịghị kwadebe site na ihe dị iche iche inorganic, polymers ormenic, surctacts na ihe ndị ọzọ pụrụ iche. Ntụ ntụ ntụ na-agụnye ntụ ntụ site na ntụ ntụ mmiri, bennite, inorganic ịnweta ntụ ntụ, wdg, nke nwere ụfọdụ mmekọrịta na mmiri nke nkụda mmụọ, kamakwa ọ na-enwe ndapụta dị iche iche. Ndakọrịta ahụ nwere ike bulite arụmọrụ nke ngwa agha. Anyị amụọla nsonaazụ HJ-C2 paraday ntụ ntụ na ngwa agha a gwakọtara agwakọta na-enwekarị nsogbu na-agbanwe agbanwe, ma nwee mmetụta dị mma na ogo mmezi nke Mgbazinye Mgbazinye. Mmetụta nke Twooning ntụ ntụ na ihe dị iche iche na ihe dị iche iche na nke anụ ahụ na ịdị ogologo nke ngwa agha ọhụrụ n'okpuru dosages dị iche iche. Nsonaazụ nyocha ahụ gosipụtara na arụ ọrụ nke ngwa agha ọhụrụ n'ihi mgbakwunye ntụ nke Peduening ntụ. Incorpporation nke Redispperation Latex Poin na-eme ka ike nke ngwa agha ma na-ebelata ike ntụrụndụ, yana mgbakwunye nke mkpụrụ osisi cellushose na ike na-ebelata ihe ndị na-ebelata ike na-ebelata ike na ike gwongworo; Ihe dị nta nke ngwakọta akọrọ na-emetụta, nke na-eme ka ọgasị nke ngwa agha. Mmetụta nke ihe na-atọ ụtọ nke bentonite na sel na-egosi ngwa ngwa nke ngwa agha, a na-ekwubipụta na ọnụọgụ zuru oke nke cellulose ether na-eme ka ọ dị mma. Na nke a, ntụ ntụ a gwakọtara agwakọta na abụọ ahụ nwere mmetụta dị mma na arụmọrụ zuru oke nke ngwa agha.
1.4 Cell
Mkpụrụ osisi sel nke sitere na nkọwa nke mgbidi osisi nke France Allyser Anselmente na 1830s. A na-eme ya site na imegharị osisi cellosuse site na osisi na akwa na ciustic soda, wee tinye onye na-ahụ maka ncheta maka mmeghachi omume. N'ihi na sellulose ether nwere ezigbo mmiri mmiri na mmetụta dị mma, na-agbakwunye obere mkpụrụ osisi sel na ciment nwere ike imezi arụmọrụ nke ngwa ngwa. Na ihe ndị dabeere ciment, ụdị nke ụdị cellulose ether na-eji methyl methyl pellilose eart na hydroxyyl methyth methyl na-ejikarị ya.
Hydroxypylthyl methyl cellulose Ether (HPMC) nwere mmetụta dị ukwuu na mmiri mmiri, njigide mmiri na ike nke ngwa agha. Nsonaazụ na-egosi na cellulose ether nwere ike ime ka mmiri dịkwuo mma nke ngwa agha, belata nha nke ngwa agha, ma kpọọ ezigbo arụ ọrụ; Mgbe ego nke hydypropyl methylcellose eather dị n'etiti 0.02% na 0.04% ,, ike nke ngwa agha na-ebelata. XU Fenlian tụlere mmetụta nke hydrocarbon Methym Methyl cellulose ether na arụmọrụ nke ngwa agha site na iji mgbanwe nke ọdịnaya osisi hydy cellulose ether. Nsonaazụ na-egosi na celluse elulose na-arụ ọrụ na-abanye na-abata ma na-eme ka ọrụ na-arụ ọrụ nke ngwa agha. Njikwa mmiri ya na-ebelata atụmatụ nke ngwa agha na ogologo oge na-arụ ọrụ nke ngwa agha. Ọ bụ ihe mgbakwunye mpụga nke nwere ike ime ka arụmọrụ nke ngwa agha. N'oge nyocha ahụ, achọtara ya na ọdịnaya nke other na-ekwesịghị ịdị oke elu, ma ọ ga-eduga na mmụba dị ukwuu nke ngwa agha, nke na-ebute ike na mmetụta na ogo nke ngwa agha. Mmetụta nke cellose ether na akụrụngwa nke ngwa ngwa. Nnyocha e gosipụtara na mgbakwunye nke cellose eather nwere ike budata mmiri iji meziwanye mmiri nke ngwa agha ahụ, n'otu oge ahụ nwere oke mmiri na-ebelata na ngwa agha. Mkpụrụ osisi egwe ahụ na-emekwa ka ngwa agha belata njupụta, oge ụfọdụ, belata mgbanwe na ike ike. Mkpụrụ osisi ether na stachi bụ ụdị ihe abụọ a na-emekarị na ngwa agha. Mmetụta nke abụọ agwakọta na ngwa agha a gwakọtara na arụmọrụ nke ngwa agha. Nsonaazụ na-egosi na njikọta nke abụọ ahụ nwere ike imeziwanye nkekọ nke ngwa agha.
Ọtụtụ ndị ọkà mmụta amụọla mmetụta nke cellulose ether, mana n'ihi ụdị cellugul et, paramita molecula dịkwa iche, nke na-ebute nnukwu ọdịiche na arụmọrụ nke gbanwetụrụ. Mmetụta viscosity na usoro nke cellulose ether na akụrụngwa arụmọrụ nke ciment slurry. Nsonaazụ ahụ na-egosi na ike nke gbanwetụrụ na celsilose na cellcosis dị ala na-adị ala, yana ike ciment na-egosi nnukwu mmụba na usoro nke cellulose ether. Ezubere oke ma mechaa, mgbe ike na-agbanwe agbanwe gosipụtara usoro mgbanwe nke ịba ụba, na-agbada, kwụsie ike na obere ihe na-abawanye.
2 epogue
(1) Nnyocha ahụ na-adọrọ mmasị na nyocha nnwale, yana mmetụta na arụmọrụ ihe onwunwe ciment na-enweghị nkwado usoro. A ka nwere nyocha nke ọtụtụ ihe mgbakwunye na-adọrọ mmasị na ihe omimi nke ihe ndị dabeere ciment, mgbanwe nke ike njikọ njikọ, na usoro hydrace.
(2) Ihe a ga-eme ka a pụta ìhè na itinye aka na ngwa injinịa. Ka ọ dị ugbu a, ọtụtụ nyocha ka bụ naanị nyocha ụlọ nyocha. Adịdị iche iche nke mgbidi mgbidi dị iche iche, ala ike, mmiri mmiri, wdg nwere ihe dị iche na ngosipụta anụ ahụ nke ngwa ngwa ngwa ngwa. Oge dị iche iche, okpomoku, ikuku na-efe efe, ike nke igwe eji na usoro ọrụ, wdg na emetụta ngwa ngwa. Mmetụta nke ngwa agha. Iji nweta mmetụta dị mma na injinịa dị mma, ngwa ngwa ngwa ngwa ngwa ngwa zuru oke na nke a ga-atụle, na nkwenyepụta nke usoro ụlọ nyocha kwesịrị rụrụ, ka iji nweta ogo kachasị mma.
Oge post: Feb-21-2025