I-Hydroxypropylylylylm methyl cellulose kanye nesilinganiso sikasimende

Yiliphi i-HPMC HYDROXYPROPPROPYLPRETY PULTYL CULLLOSE KANYE NEZIMALI?

Udaka lwangaphakathi lwezobunjiniyela olungenamanzi, izici zalo kuncike esimweni esilandelayo se-Net of Ithalo Yezinto Ezingavuthiwe ezenziwe: ukhonkolo 30-340, ubunjiniyela bokwakha imfuyo brick 40-50, i-calcium yokwakha 20-24, i-calcium yakha u-4-6,hydroxypropyl methyl cellulose7-9, i-silicon carbide powder 40-45, i-calcium hydroxide powder 10-20, brown corundum powder 10-12, eyomile idolobha lesiliva 1-6, i-carboxymethyl base isitebhisi 4-6, i-carboxymethyl base satach 4-6, i-carboxymethyl base isitashi 4-6, amanzi 600-650; Isidumbu soMthethosisekelo Wokufakwa Kwamanzi salo mkhiqizo sinokufakelwa okuqinile kokushisa, ukumelana nomlilo okuhle, ukubopha okuqinile nodonga, ukumelana nokuguga okuhle, ukumelana nomswakama okuhle, ukuvimbela ukuwa phansi. Namuhla sizokhuluma ngokubonakala kwe-hydroxyproppropyllylyllopyllylyllopyllyllopyllyllop methyllulose isisombululo esinamakhekhe yiphi izici? Ake sitadishe.

1. Isisindo se-molecular esihlobene, izinga lokushisa lesisombululo esinamanzi, izinga lokusika kanye nendlela yokuhlola ye-cellulose ether; 2. Lapho kuphakama izinga lokushisa le-glass, lapho isisindo esiningi molecular isisindo, ukubonakala kwesixazululo kuphakeme ngokwemvelo; 3. Okuphezulu okuqukethwe kwe-cellulose ether, kukhuphuka ukubonwa kwesixazululo, ngakho-ke ekusetshenzisweni kwesicelo kufanele sinake inani elifanelekile lokufakwa, futhi kuvikeleke ngokuqondile izici zikakhonkolo kasimende nosimende; 4. Njengekhambi eliningi, i-viscosity izokwehla futhi ngokwanda kokushisa, kanye nokuphakama okuqukethwe okuqukethwe kwe-cellulose ether, kulimaze izinga lokushisa; Ngaphezu kwalokho, umphumela wangempela wokuqina uyahlukahluka ngokuya ngenani lamanzi asetshenziselwa usimende we-epoxy.

I-Hydroxypropyllylylylyl methyllulose i-aquolity yesisombululo se-viscosity nayo ingasebenza njengesixhumanisi esisezingeni eliphezulu sokuphawula, kepha uma i-viscosity ikhulu ngokweqile, kepha uma i-viscosity ibe nkulu kakhulu, izolimaza i-epoxy cement impahla eluhlaza okwesikhashana. Ngokuqondene nodaka oluthile lokuzimela ngodaka oluphezulu olunobunzima obuphakeme, ukubonakala kwe-cellulose ether kuzocaciswa ukuthi kuphansi.

Isixazululo se-Cellulose ether aqued singumzimba we-pseudoplastic, thina esigabeni sakamuva sokutholwa kwezinga le-shear sikhulu, i-viscosity incane.

Ngakho-ke, ukufingqa yile: Ukubumbana kodaka kasimende kuzoncishiswa ngamandla angaphandle, okuzuzisa ukwakhiwa kobunjiniyela ngemuva, ngokuphambene nalokho, isixazululo samanzi sizokwenzeka, kuzokwenzeka isisombululo sokuhlushwa.

Ukugcinwa kwamanzi okuvela ku-hydroxypropyllllylylylylylylylylylylylyllose kungenye yezindawo ezibalulekile ze-hydroxypropylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylyll methyl celtule Izinga lokuhwamuka kokuqukethwe kwamanzi emikhiqizweni ehlanganisiwe yodaka kanye nemikhiqizo esekelwe ngodaka kuthintwa ukushisa kwegesi, izinga lokushisa kanye nengcindezi. Ngakho-ke, ngezinkathi ezihlukene, kanye ne-hydroxypropylllylylylylylyll methyl cellulose inani elifanayo lokusebenza kwamanzi komkhiqizo linokungezwani okuthile.

Ngokuvamile, ukukhuphuka kwe-velicypyprotity methyl cellulose, umphumela omuhle wokugcinwa kwamanzi, kepha ukulimala kokugcinwa kwamanzi kuzoncishiswa ngemuva kokubonakala kwe-100,000 MPA. s. Lapho i-viscoxpypropproppropyllyllllllllllulose idlula ama-100,000, izinga lokugcina amanzi lingathuthukiswa kakhulu ngokwandisa inani le-hydroxypropylylylylylylylylylylylylylk methyl.

Enqubweni yokwakha enemininingwane, umphumela wokugcina amanzi we-slurry ungashintshwa ngokulungisa inani le-hydroxypropylylylylylylylylylylyllose. Imikhiqizo yochungechunge lwe-Hydroxypropyllylyllypropyllylyllyrlop. Esikhathini esiqhubekayo sokushisa esiphakeme, ikakhulukazi ezindaweni ezishisayo nezixakile kanye nokwakhiwa kwe-chromatography ohlangothini olunelanga, ikhwalithi ephezulu ye-hydroxypropyllylylylylylylylylylylylyl turmeluloose iyadingeka ukuthuthukisa ukugcinwa kwamanzi.

Ikhwalithi ephezulu ye-hydroxypropyllylylylylylylyllose, inebhalansi enhle, i-Terdyypropylyl lyracting amaqembu asebenza ngokusatshalaliswa okuhlangene, ingaqhakambisa umoya wokushisa wedijithali, bese ulawula ngempumelelo isimo sezulu esiphakeme esibangelwa ukuhwamuka kwamanzi, ukugcinwa kwamanzi amaningi.

Ikhwalithi ephezulu ye-hydroxypropyllylylylyllyllyllll callulose ingalingana nomhlaba oxutshwe ngodaka oluxutshwe nemikhiqizo ye-plaster, bese ipholile ngokuhambisana nokuhlangana kwezinto ezihlanganisiwe ngokuhamba kwesikhathi amandla anamandla namandla anamandla. In sustained high temperature summer construction process, therefore, to reach water effect, should be in accordance with the recipe for a certain amount and quality of hydroxypropyl methyl cellulose products, otherwise, will show the boring too fast and causing insufficient hydration, reduce the compressive strength, split, popped the qualities such as metope empty drum and doubt, also combined with the worker construction difficulty coefficient. Njengoba amazinga okushisa ehla, inani le-hydroxypropylllllllllllllll pullulose lingancishiswa kancane futhi umphumela wokugcina amanzi afanayo angatholakala.

Uma kufakwa i-cellulose err, i-chromatography yodaka olusha lwamakhonkolo luzoma ngokushesha, ukwenza ukhonkolo kungakwazi ukugcwala ngendlela ejwayelekile, okuholela ekutheni udaka ngosimende alunakubanjiswa kanzima futhi uthole anamanzi angcono. Ngasikhathi sinye, ukungezwa kwe-cellulose ether kwenza udaka ngodaka kube nokuhlehlisa okuhle nokuvumelana nezimo, futhi kuthuthukise amandla okucindezela okucindezelayo kodaka kasimende.

1, Hydroxypropyl methyl cellulose usayizi wezinhlayiyana

Ubukhulu bezinhlayiyana ze-cellulose ether bulimaza i-solubility yayo. I-Perer Cellulose Ether, ngokushesha inani layo lokukhomba emanzini kanye nezimpawu zalo zokugcina amanzi. Ngakho-ke, ubukhulu bezinhlayiyana ze-cellulose ether kufanele bufakwe ekuphenyweni kwenye yezimpawu zayo. Ngokuvamile, usayizi wezinhlayiyana we-cellulose etrer ye-80 mesh esekwe.

2, i-hydroxypropylm methyl cellulose yomile ngaphandle kwezinga lokudonsela phansi

I-Dry Manic Alikho isilinganiso sokudonsela phansi, kubhekiselwa emazingeni okushisa athile we-ether esomile ye-cellulose ether, ukulahleka kwekhwalithi yamakhemikhali kubalwa amaphesenti wekhwalithi yasekuqaleni yesampula yesampula yokwakheka. Ikhwalithi ethile ye-cellulose ether esomile ngaphandle kwezinga lokudonsela phansi liphezulu kakhulu, lizonciphisa izingxenye ezifanele e-cellulose ether, zilimaze umphumela wangempela wokusebenzisa izinkampani ezansi komgwaqo, kodwa futhi uthuthukise izindleko zokuthenga. Imvamisa i-ether esomile yeselula ngaphandle kwezinga lokudonsela phansi ngeke lidlule ku-5.0%.

I-3, i-hydroxypropylm methyl cellulose potassium thiocyanate ash

Ikhwalithi ethile ye-cellulose ether ekuqukethwe kwe-Ash iphakeme kakhulu, izonciphisa i-cellulose ether ezingxenyeni ezifanele, ukulimaza umphumela wangempela wokusetshenziswa kwezinkampani eziphansi, okuqukethwe kwe-Tellulo Potassium

I-4, hydroxypropyll methyl cellulose viscosity

I-Hydroxypropyllylylylylyllllul cellulose yokugcina amanzi nokugcinwa kwamanzi futhi umphumela wokuqina uyisihluthulelo sokufaka usimende wokufaka usimende we-celtule celtulose ether ngokubonakala kwayo nokufakwa.

I-5, i-hydroxypropyll methyl cellulose VUT

I-viscoxyprop methylruspropyllylylyllylllls pround inciphisa kancane kancane emazingeni okushisa aphezulu noma ngemuva kokugcinwa isikhathi eside, ikakhulukazi imikhiqizo ephezulu ye-viscosity, ngakho-ke inani le-PH lilinganiselwe. Ngokuvamile kuchazwe ukuthi isigaba senani le-PH se-cellulose ether kufanele lisetshenziswe njengo-5-9.

I-6

Izinzuzo nobubi bokudluliselwa kwe-hydroxypropylllylylylylylylylylylylylylylylylylylylylylyllose kungathinta ngokuqondile umphumela wangempela wokusetshenziswa kwayo ezintweni zokwakha. Izinto eziyinhloko ezilimaza ukudluliselwa kwe-cellulose ether1) ikhwalithi yezinto zokusetshenziswa; (2) umphumela wangempela wokushona; (3) ukulungiselela ubuchwepheshe bezobuchwepheshe; (4) ukulungiswa kwe-organic solvent; (5) umphumela wangempela we-zhonghe.

Ngokusho komphumela wohlelo lokusebenza langempela, ukudluliselwa kwe-cellulose ether akufanele kube ngaphansi kwama-80%.

7, i-hydroxypropyll methyl cellulose lokushisa okusolwa

Hydroxypropyl methyl cellulose in cement components as the key to increase adhesives, viscosity and water retention agent, so viscosity and gel temperature is the key index value of hydroxypropyl methyl cellulose. Izinga lokushisa lisetshenziselwa ukwahlulela uhlobo nokucaciswa kwe-cellulose ether, futhi izinga lokufaka esikhundleni se-cellulose ether lihlobene.

8. Ngaphezu kwalokho, usawoti kanye nezinsalela kuzolimaza nokushisa kwe-glue. Lapho izinga lokushisa lesisombululo esinamanzi likhuphuka, i-fiber asymer kancane kancane ayinawo amanzi, futhi ukubonwa kwesisombululo esinamanzi kuyancipha. Lapho iphuzu lokunamathela lifinyelelwa, i-polymer yomiswe ngokuphelele futhi kukhiqizwa okunamathelayo. Ngakho-ke, izinga lokushisa elisebenzayo lamalungu kasimende livame ngaphansi kokushisa kwe-glue kwasekuqaleni. Ngaphansi kwaleli Zinga, kwehlise izinga lokushisa, kukhuphuka okubonakalayo, futhi okubaluleke kakhulu umphumela wangempela wokugcinwa kwe-viscosulification kanye nokugcinwa kwamanzi.