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Njengomxube obaluleke kakhulu ekwakheni iimveliso zodaka oluxutywe nowomileyo, i-cellulose ether idlala indima ebalulekileyo ekusebenzeni nasekuxabiseni kodaka oluxutywe nowomileyo. Kukho iintlobo ezimbini ze-cellulose ethers: enye yi-ionic, njenge-sodium carboxymethyl cellulose (CMC), kwaye enye ayi-ionic, njenge-methyl ...Funda ngokugqithisileyo»
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Ubunyulu be-hydroxypropyl methylcellulose ekwakheni i-insulation mortar kunye ne-putty powder buchaphazela ngqo umgangatho wolwakhiwo lobunjineli, ngoko ke zeziphi izinto ezichaphazela ubunyulu be-hydroxypropyl methylcellulose? Makhe ndikuphendulele lo mbuzo. Kwinkqubo yokuvelisa i-h...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose (i-HPMC ngamafutshane) yi-ether exutyiweyo ebalulekileyo, eyi-polymer enyibilikayo emanzini engeyiyo i-ionic, kwaye isetyenziswa kakhulu ekutyeni, kumayeza, kushishino lweekhemikhali zemihla ngemihla, ekugqumeni, ekuphenduleni i-polymerization nasekwakhiweni njenge-dispersion suspension, thickening, emulsifying, stabilizin...Funda ngokugqithisileyo»
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Ukutshiza irabha ene-asphalt ekhawulezayo, ukuvala amanzi, kukuvala okusekelwe emanzini. Ukuba i-diaphragm ayigcinwanga ngokupheleleyo emva kokutshiza, amanzi akayi kuphuma ngokupheleleyo, kwaye amaqamza omoya axineneyo aya kuvela lula ngexesha lokubhaka kubushushu obuphezulu, nto leyo ebangela ukuba i-fil engangeni manzi inciphe...Funda ngokugqithisileyo»
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Siyazi ukuba i-hydroxypropyl methylcellulose yinto efana nomgubo kubushushu begumbi, kwaye umgubo uyafana, kodwa xa uwufaka emanzini, amanzi aya kuba krakra ngeli xesha, Kwaye ngomlinganiselo othile we-viscosity, singawuchonga ngokuchanekileyo ngokusebenzisa iimpawu ...Funda ngokugqithisileyo»
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1. Ishishini lokugquma: Lisetyenziswa njengesithambisi, isinyibilikisi kunye nesiqinisi kwishishini lokugquma, kwaye lihambelana kakuhle namanzi okanye izinyibilikisi zendalo. Njengesisusa-peyinti. 2. Ishishini lokuvelisa iseramikhi: Lisetyenziswa kakhulu njengesibambisi ekwenzeni iimveliso zeseramikhi. 3. Ezinye: Le ...Funda ngokugqithisileyo»
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I-Hydroxyethyl cellulose yi-polymer enyibilikayo emanzini engeyiyo i-ionic eyenziwe nge-cellulose, izinto ze-polymer zendalo, ngokusebenzisa uthotho lweenkqubo zeekhemikhali. Yinto emhlophe okanye emthubi, engenavumba kwaye engenancasa efana nomgubo, enokunyibilikiswa emanzini abandayo nasemanzini ashushu, kwaye...Funda ngokugqithisileyo»
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1. Igama lemveliso: 01. Igama lekhemikhali: hydroxypropyl methylcellulose 02. Igama elipheleleyo ngesiNgesi: Hydroxypropyl Methyl Cellulose 03. Isifinyezo sesiNgesi: HPMC 2. Iimpawu zomzimba nezekhemikhali: 01. Inkangeleko: umgubo omhlophe okanye ongekho mhlophe. 02. Ubungakanani bezinto ezincinci; izinga lokupasa le-100 mesh likhulu kune-98...Funda ngokugqithisileyo»
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IHydroxypropyl methylcellulose (HPMC) yi-non-ionic cellulose ether eyenziwe nge-cellulose yendalo yepolymer material ngokusebenzisa uthotho lweenkqubo zeekhemikhali. Zingumgubo omhlophe ongenavumba, ongenancasa kwaye ongenatyhefu ovuvukala ube yisisombululo se-colloidal esicacileyo okanye esinamafu kancinci emanzini abandayo. Ine...Funda ngokugqithisileyo»
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Ukugcinwa kwamanzi kwe-hydroxypropyl methylcellulose ether Ukugcinwa kwamanzi kwe-dry mix mortar kubhekisa kubuchule be-mortar bokubamba nokutshixa amanzi. Okukhona i-hydroxypropyl methylcellulose ether iphezulu, kokukhona i-hydroxypropyl methylcellulose ether igcina amanzi ngcono. Kuba isakhiwo se-cellulose sine-hydroxyl...Funda ngokugqithisileyo»
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Ukuhanjiswa kokukhanya kwe-hydroxypropyl methylcellulose kuchaphazeleka kakhulu ngala manqaku alandelayo: 1. Umgangatho wezinto ezikrwada. Okwesibini, isiphumo se-alkalization. 3. Umlinganiselo wenkqubo 4. Ubungakanani be-solvent 5. Isiphumo se-neutralization Ezinye iimveliso zifumile njengobisi emva kokuba zinyibilikisiwe...Funda ngokugqithisileyo»
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Xa senza kwaye sisebenzisa umgubo we-putty, siza kudibana neengxaki ezahlukeneyo. Namhlanje, esikuthethayo kukuba xa umgubo we-putty uxutywe namanzi, okukhona uxuba, kokukhona i-putty iya kuba ncinci, kwaye imeko yokwahlulwa kwamanzi iya kuba nzulu. Unobangela wale ngxaki...Funda ngokugqithisileyo»