Iindaba

ukoma ngokukhawuleza Oku kungenxa yokongezwa kakhulu komgubo we-calcium womlotha (ubungakanani bomgubo we-calcium womlotha osetyenziswa kwifomula ye-putty bunokunciphisa ngokufanelekileyo) kunxulumene nesantya sokugcina amanzi se-hydroxypropyl methylcellulose, kwaye kunxulumene nokoma kodonga. Ukuxobula...Funda ngokugqithisileyo»

I-Hydroxypropyl methylcellulose yi-non-ionic cellulose ether ecutshungulwa kwikotoni ecociweyo ngokusebenzisa uthotho lweempendulo zeekhemikhali. Yinto emhlophe engumphunga engenavumba, engenatyhefu enyibilika emanzini kwaye iveza isisombululo se-colloidal esicacileyo okanye esinamafu kancinci. Ineempawu ze-t...Funda ngokugqithisileyo»

Igama lesiTshayina le-HPMC yi-hydroxypropyl methylcellulose. Ayisiyo-ionic kwaye idla ngokusetyenziswa njenge-arhente yokugcina amanzi kwi-mortar exutywe nomileyo. Yeyona nto isetyenziswa kakhulu yokugcina amanzi kwi-mortar. Imveliso ye-ether esekelwe kwi-polysaccharide eyenziwe yi-alkalization kunye ne-etherification. Ayina...Funda ngokugqithisileyo»

1. Iingxaki eziqhelekileyo kwi-putty powder eyomileyo ngokukhawuleza Oku kunxulumene kakhulu nobungakanani bomgubo we-calcium womlotha ongezelelweyo (ubukhulu kakhulu, ubungakanani bomgubo we-calcium womlotha osetyenzisiweyo kwifomula ye-putty bunokunciphisa ngokufanelekileyo) kunye nezinga lokugcina amanzi le-hydroxypropyl methylcellulose (HPMC), kwaye ikwaphinda...Funda ngokugqithisileyo»

Umgubo welatex ophinda udibane yipowder emhlophe eqinileyo efunyanwa nge-latex ekhethekileyo yokomisa ngokutshiza. Isetyenziswa kakhulu njengesongezelelo esibalulekileyo kwi-"dry-mixed mortar" kunye nezinye iimortar ezixutywe nowomileyo kwizixhobo zokwakha zobunjineli bokugquma udonga lwangaphandle. Nika ingqalelo kwezi zinto zilandelayo...Funda ngokugqithisileyo»

I-Hydroxypropyl methylcellulose isetyenziswa kakhulu njenge-dispersant ekuvelisweni kwe-polyvinyl chloride, kwaye yeyona nto incedisayo ekulungiseleleni i-PVC nge-suspension polymerization. Kwinkqubo yokwakha kwishishini lokwakha, isetyenziswa kakhulu kulwakhiwo olusebenzisa oomatshini olufana nodonga...Funda ngokugqithisileyo»

Izongezo ezilungisiweyo ezifana nezongezo zemortar ezixutyiweyo, ii-ether ze-cellulose, abalawuli be-coagulation, umgubo we-latex ophinda udibane, ii-agents zokungenisa umoya, ii-agents zamandla okuqala, izinciphisi zamanzi, njl.njl., ezongezwa ngokweemfuno zeprojekthi, ziphucula kakhulu ukusebenza kwe-ready-mixed ...Funda ngokugqithisileyo»

Ukusetyenziswa kwe-hydroxypropyl methylcellulose (HPMC) kwi-mortar yokwakha iplastering mortar: Ukugcinwa kwamanzi amaninzi kungenza isamente ibe namanzi aneleyo, kunyuse kakhulu amandla e-bond, kwaye kwangaxeshanye, kunokunyusa ngokufanelekileyo amandla okuxinana kunye namandla okucheba, kuchaphazele kakhulu...Funda ngokugqithisileyo»

(1) Ukuqinisekiswa kobungqindilili: Imveliso eyomileyo ilungiswa ibe yisisombululo samanzi esinobunzima obuyi-2°C, kwaye ilinganiswa nge-viscometer ejikelezayo ye-NDJ-1; (2) Imbonakalo yemveliso ifana nomgubo, kwaye imveliso ekhawulezileyo idityaniswe ngo-“s”. Indlela yokusebenzisa i-hydroxyp...Funda ngokugqithisileyo»

Isalathisi se-viscosity se-hydroxypropyl methylcellulose sisalathisi esibaluleke kakhulu. I-viscosity ayimeli ubunyulu. I-viscosity ye-cellulose HPMC ixhomekeke kwinkqubo yemveliso. Iindawo ezahlukeneyo zokusetyenziswa kufuneka zikhethe i-cellulose HPMC ene-viscosities ezahlukeneyo, hayi ukuba i-vi...Funda ngokugqithisileyo»

Udaka oluxutywe ngamanzi lubhekisa kwizinto ezisimende, i-fine aggregate, umxube, amanzi kunye nezinto ezahlukeneyo ezimiselwe ngokwendlela esebenza ngayo. Ngokwemilinganiselo ethile, emva kokulinganiswa nokuxutywa kwisikhululo sokuxuba, luthuthwa luye kwindawo olusetyenziswa kuyo yilori yokuxuba. Gcina...Funda ngokugqithisileyo»

Iindidi zemixube esetyenziswa rhoqo ekwakheni i-dry-mixed mortar, iimpawu zazo zokusebenza, indlela yokusebenza, kunye nempembelelo yazo ekusebenzeni kweemveliso ze-dry-mixed mortar. Isiphumo sokuphucula ii-arhente zokugcina amanzi ezifana ne-cellulose ether kunye ne-starch ether, ezinokuphinda zichithwe...Funda ngokugqithisileyo»