Na-aga n'ihu na-aga n'ihu nke ụlọ ọrụ na nhazi nke teknụzụ, site na ntinye na mmelite nke igwe ndị mba ọzọ, na-agbasa na teknụzụ plasta m dị ukwuu na afọ na-adịbeghị anya. Mgbagode spraying ngwa agha dị iche na ngwa agha nkịtị, nke chọrọ ịrụ ọrụ njigide dị elu, kwesịrị ekwesị mgbọrọgwụ na arụmọrụ ụfọdụ mgbochi. Ọtụtụ mgbe, a na-etinye Hydropyythylthylthylthylthylthylthylthylthylthylthllose ka agbakwunye na ngwa agha, nke nke cellulose eather (hpmc) bụ nke a kacha iji. Isi ọrụ nke hydropyythylthylthythy na ngwa agha bụ: ihe ndị na-eme ka ọ na-viology, na-agbanwe Rhiology, na ezigbo mmiri ikike mmiri. Agbanyeghị, enweghị ike ileghara HPMC anya. HPMC nwere mmetụta a na-etinye na-abata, nke ga - ebute ihe ndị ọzọ n'ime ime ma belata ngwa ọrụ nke ngwa agha. Shindong Chenbang Fool Chemical Coomical Coomical Romance Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Naa akụkụ microscopic. .
1. Ule
1.1 akụrụngwa
Ciment: Azụmaahịa P.0 42.5 ciment, nke 28 gbarịtara na ike ndị na-akpali agụụ ọ bụ 6.9 na 48.2 MPA); ájá: ájá ọma dị mma, 40-100 na Ewer: nke Shandong Chenbang Chemical Camph Methylcelllose Ether, ntụ ntụ, viscistose 40, 150, 200 na 200 PA-S; Mmiri: Mmiri Mpekere dị ọcha.
1.2 usoro nnwale
Dabere na JGJ / T 105-2011 "Iwu Nhazi nke Hiprical Spraying na plasta", na-agbanwe agbanwe nke ngwa agha ahụ bụ 80-120 mm, na mmiri na-ejide mmiri karịrị 90%. Na nnwale a, e setịpụrụ Ratio Lime-sandio na 1: 5, a na-achịkwa nguzosi ike na (93 + 2) MM, na cellulose nke sel na-adabere na ciment uka. A na-anwale ngwa agha nke ngwa agha dịka mmiri nju oyi, ihe ikuku, na njigide mmiri, na usoro nnwale maka ihe mgbochi ụlọ ", na-anwale ọdịnaya ikuku dị ka njupụta ikuku usoro. Nkwadebe ahụ, na-agbanwe agbanwe na ike ike nke ụdị dị ka GB / T 17671-1999 "usoro maka ịnwale ike ájá ciment (ISO)". A na-atụle dayameta nke Mercury Porsuryry. The model of the mercury porosimeter was AUTOPORE 9500, and the measuring range was 5.5 nm-360 μm. A na-arụ ngụkọta nke ụzọ ise. Ciment-sandio na-adọka bụ 1: 5, viscosity HPMC bụ 100 pa-s-s, na usoro onunu ogwu, 0.3%, 0.2% (B, C, D, D, D, D, D, D, D, D, D.
2. Nsonaazụ na nyocha
2.1 Mmetụta HPMC na mmiri mgbochi mmiri nke ciment
Njide mmiri na-ezo aka ike nke ngwa agha iji jide mmiri. Na igwe sprayed, na-agbakwunye cellose e nwere ike idobe mmiri, belata ọnụego ọgbụgba, ma mezuo ihe ndị achọrọ nke ihe ndị sitere na ihe ndị sitere na ihe onwunwe. Mmetụta HPMC na mmiri mmiri.
Site na mmụba nke ọdịnaya HPMC, ọnụego mmiri na-abawanye nke ntak. Ọkpụkpụ nke hydroxyppropyl methylcellose na viscos nke 100, 150 na 200 pa.s bụ otu. Mgbe ọdịnaya dị 0.05% -0.15%, ọnụnọ mmiri na-abawanye na mgbe ọdịnaya bụ 0.15%, ọnụ ọgụgụ njide mmiri dị elu karịa 93%. ; Mgbe ego nke grits karịrị 0.20%, na-abawanye na-arị elu nke ọnụego njigide mmiri na-adị larịị, na-egosi na ego nke Hpmc dị nso na saturation. Mmetụta nke HPMC na viscosity nke 40 pa.s na ọnụego njigide mmiri bụ ihe dị ka ahịrị kwụ ọtọ. Mgbe ego dị ukwuu karịa 0.15%, ọnụego mmiri nke ngwa agha ahụ dị ala karịa ụdị ụdị nke ndị ọzọ nke HPMC na ụdị viscosity. A na-ekwere na njigide mmiri nke cellulose ether bụ: Ndị otu hydroxy na njikọta ikuku na-ejikọ mmiri, nke mere na mmiri ahụ na-amị mmiri , si otú a na-egwu ezigbo mmiri; A na-ekwenyekwa na interDiftụ n'etiti molecules mmiri na mkpụrụ ndụ mkpụrụ ndụ na-enye ndị na-eme ihe na-enye ohere ịbanye n'ime ogige ahụ, si otú a na-eme ka njigide mmiri ciment slurry. Ezigbo akwa mmiri nwere ike ime ka mịrị ọgụ ọgụ, ma nweta ezigbo ịgwakọta ma na-arịwanye elu igwe.
2.2 Mmetụta nke hydroxyppropyythlthylcelllose hpmc na njupụta ikuku nke ciment ciment
Mgbe ego nke HPMC bụ 0-0%, njupụta nke ihe ọkụkụ ahụ na-ebelata na mmụba nke ọnụego HPMC, site na 2050 n'arọ 1650, nke dị ihe dị ka 205kg / m3, nke dị ihe dị ka 20% ala; Mgbe ego nke HPMC karịrị 0.20%, njupụta belata. na udo. Iji ụdị HPMC 4 nke HPMC dị iche iche, onye dị elu na viscosity, belata njupụta nke okwute ahụ; Nzọụkwụ njuka nke ngwa agha na viskos ndị a gwakọtara nke 150 na 200 Pa.s hpmc nwere ihu ọma, na-egosi na viscosity hpmc na-aga n'ihu na-abawanye, njupụta agaghị ebelata.
Mgbanwe iwu nke ikuku dị na ya bụ mgbanwe nke njupụta. Mgbe ọdịnaya nke hydypropyythythyththyththyththyth bụ 0-0.20%, na mmụba nke ọdịnaya HPMC, ikuku na-abawanye nke ukwuu; Ọdịnaya nke HPMC karịrị 0.20%, ọdịnaya ikuku siri ike mgbanwe, na-egosi na nsonaazụ nke ngwa agha ahụ dị nso na saturation. Mmetụta ikuku na-abanye na HPMC na visces nke 150 na 200 Pa.s karịrị nke hpmc na viscosity 40 na 100 pa.s.
Mmetụta nke ikuku nke cellulose Ether na-ekpebi site na usoro ya. Mkpụrụ osisi celdropse nwere abụọ (hydrophyl, eet) na hydrophobic otu (Methyl, glucose mgbanaka), ma dịkwa nkọ. , nwere ọrụ dị elu, si otú ahụ nwee mmetụta nke ikuku. N'otu aka, gas na-ewepụta ga-eme dị ka bọọlụ na-arụ ọrụ na ngwa agha, melite olu nke ngwa agha, ma bulie mmelite, nke bara uru na onye nrụpụta ahụ. N'aka nke ọzọ, mmetụta ikuku na-abawanye ọdịnaya ikuku nke ngwa agha na ebe porusoning mgbe o sie ike, na-ebute mmụba nke pores na ibelata akụrụngwa na-emerụ ahụ. Ọ bụ ezie na HPMC nwere ụfọdụ ntinye aka, ọ nweghị ike iji dochie anya na-abanye na ikuku. Na mgbakwunye, mgbe HPMC na nke ikuku na-achọta na-eji n'otu oge ahụ, onye na-etinye ụgbọ elu na-abanye na ikuku.
2.3 Mmetụta HPMC na akụrụngwa akụrụngwa nke ciment
Mgbe ego nke HPMC dị naanị 0.05%, ike mgbanwe nke ngwa agha na-ebelata ihe ngosi na-enweghị isi na-enweghị isi na-enweghị isi na-enweghị ike iru 65% nke ihe nlele 80%. Mgbe ego HPMC karịrị 0.20%, mbelata ike mgbanwe na ike compress na ike nke ngwa agha apụtaghị nke doro anya. Viccosite nke HPMC enwechaghị mmetụta na akụrụngwa nke ngwa agha. HPMC na-ewebata ọtụtụ ihe eji eme ikuku, yana nsonaazụ nke ikuku na-abawanye n'ime ihe mgbochi ma na-eme ka ike dị iche iche na ike na-eme ka ike na-eme ka ike na-emebi emebi na ike. Ihe ọzọ mere na mbelata nke ngwa agha bụ ụdị njigide mmiri nke cellulose ether, nke na-eme ka mmiri sie ike, na nnukwu mmiri mmiri na-eduga na mbelata nke ihe mgbochi. Maka ngwa agha nke eji eme ihe, ọ bụ ezie na cellulose eat nwere ike ịbawanye n 'mmiri nke ngwa agha ma melite ọrụ ya, ọ ga-emetụtakwa usoro arụmọrụ nke ngwa agha, yabụ na mmekọrịta dị n'etiti ha abụọ kwesịrị ịtụle nke ọma.
Site na mmụba nke ọdịnaya nke hydypypyl Methylcelltose HPMC, mpịakọta ngwa agha gosipụtara omume na-abawanye, nke bụ eziokwu na-achịkwa ya. Nke a bụ n'ihi na mkpụrụ ndụ ahụ na-agbakwunye ọnụ ọgụgụ dị ukwuu nke ikuku a na-egosipụta na ngwa agha, yana ike na-agbadata na-agbadata ruo n'ókè ụfọdụ; Mana sellugul eathe nwere ike ime ka mgbanwe nke okwute ahụ, ọ bara uru na ike mgbanwe, nke na-eme ka mbelata belata. Iderintszọ na-eme nke ọma, ndị jikọtara ọnụ nke abụọ na-eduga na mmụba na elu mpịakọta.
2.4 Mmetụta HPMC na LINATETE nke ngwa agha
Site na Poste Size Setretra, data nkesa nke Poratical na paradaịs dị iche iche nke ihe nlele, enwere ike ịhụ ya na HPMC nwere mmetụta dị ukwuu na porer owuhe nke ciment na-enwe mmetụta dị ukwuu:
(1) Mgbe ị na-agbakwunye HPMC, nke ahụ siri ike nke ciment na-abawanye nke ukwuu. Na Poste nha, mpaghara ihe onyonyo a na-aga n'aka nri, uru parce kwekọrọ na uru ọnụego elu buru ibu. Mgbe agbakwunyechara HPMC, dayameta nke median nke ciment na-ebu ibu karịa nke na-adịghị mma karịa nke ahụ dị 0.3% dosage na-abawanye site na iwu 2 na-eto eto site na ihe nlele.
(2) kewaa pores na ụdị anọ, ọ bụ na-adịghị emerụ ahụ (20-100 nm), na-emerụ poes) na ọtụtụ pores (≥200 nm). Enwere ike ịhụ ya site na tebụl 1 na ọnụ ọgụgụ oghere na-adịghị emerụ ahụ ma ọ bụ obere oghere na-adịghị mma mgbe ị na-agbakwunye HPMC, na ọnụ ọgụgụ nke oghere na-emerụ ahụ ma ọ bụ karịa na-emerụ ahụ na-abawanye. Pores na-adịghị emerụ ahụ ma ọ bụ obere poes nke ihe nlele anaghị agwakọta ya na HPMC bụ ihe dị ka 49.4%. Mgbe agbakwunyechara hpmc, ndị na-adịghị emerụ ahụ pores ma ọ bụ obere pores dị obere. Na-ewere ọgwụ nke 0.1% dị ka ihe atụ, pores na-adịghị emerụ ahụ ma ọ bụ obere pores na-ebelata ihe dịka 45%. %, ọnụọgụ nke oghere na-emerụ ahụ buru ibu karịa 10UM mụbara ihe dịka ugboro 9.
(3) dayameta nke median, nkezi pore rore, olu pore pore na mpaghara a kapịrị ọnụ na-agbaso ọdịnaya hydropyylthylthylthyl na ule nlele. metụtara mmụba buru ibu. Ma na dum, midian poreter, nkezi nke dayameta na ụda olu akọwapụtara nke ọma na Hpmc na-eme ka ịbawanye na oghere ahụ, ebe a kapịrị ọnụ elu elu na-ebelata.
Oge Post: Apr-03-2023