Iindaba

Kwi-cement mortar kunye ne-gypsum-based slurry, i-hydroxypropyl methylcellulose idlala indima enkulu yokugcina amanzi kunye nokuqina, kwaye inokuphucula ngokufanelekileyo ukubambelela kunye nokuxhatshazwa kwe-sag ye-slurry. Izinto ezifana nobushushu bomoya, ubushushu kunye nesantya soxinzelelo lomoya ziyakuchaphazela i-volatili...Funda ngokugqithisileyo»

1. Iingxaki eziqhelekileyo kwi-putty powder Ukomisa ngokukhawuleza: Oku kubangelwa ubukhulu becala ubuninzi be-lime calcium powder eyongeziweyo (inkulu kakhulu, isixa se-lime calcium powder esetyenziswe kwi-putty formula sinokuncitshiswa ngokufanelekileyo) inxulumene nesantya sokugcinwa kwamanzi. ifayibha, kwaye ikwanxulumene ne-dr...Funda ngokugqithisileyo»

ome ngokukhawuleza Oku kubangelwa kakhulu ukongezwa ngokugqithiseleyo kwe-ash calcium powder (ubuninzi be-ash calcium powder esetyenziswe kwi-putty formula inokuncitshiswa ngokufanelekileyo) inxulumene nesantya sokugcinwa kwamanzi e-hydroxypropyl methylcellulose, kwaye inxulumene nokomisa idonga. Ukukrola i...Funda ngokugqithisileyo»

I-Hydroxypropyl methylcellulose yi-ether ye-cellulose engeyo-ionic ecutshungulwa ukusuka kwikotoni esulungekileyo ngoluhlu lweekhemikhali. Yinto engenavumba, engeyotyhefu engumgubo omhlophe enyibilikayo emanzini kwaye inikezela ngesisombululo esicacileyo okanye esinamafu kancinane we-colloidal. Ineempawu ze-t...Funda ngokugqithisileyo»

Igama lesiTshayina le-HPMC yi-hydroxypropyl methylcellulose. Ayina-ionic kwaye isoloko isetyenziswa njengesixhobo sokugcina amanzi kudaka oluxutyiweyo. Yeyona nto isetyenziswa ngokuqhelekileyo ukugcina amanzi kwidaka. Imveliso ye-ether esekwe kwi-polysaccharide eveliswa yi-alkalization kunye ne-etherification. Ayinayo...Funda ngokugqithisileyo»

1. Iingxaki eziqhelekileyo kwi-putty powder eyomileyo ngokukhawuleza Oku kuhambelana kakhulu nomlinganiselo we-ash calcium powder eyongeziweyo (inkulu kakhulu, inani le-ash calcium powder elisetyenziswe kwi-putty formula lingancitshiswa ngokufanelekileyo) kunye nesantya sokugcinwa kwamanzi kwe-hydroxypropyl methylcellulose ( HPMC), kwaye ikwaphinde...Funda ngokugqithisileyo»

Redispersible latex powder ngumgubo oqinileyo omhlophe ofunyenwe ngokutshiza i-latex ekhethekileyo. Isetyenziswa ikakhulu njengesongezo esibalulekileyo "sodaka oluxutyiweyo" kunye nolunye udaka oluxubeneyo olomileyo lwezixhobo zokwakha ubunjineli bodonga lwangaphandle. Nika ingqalelo koku kulandelayo...Funda ngokugqithisileyo»

I-Hydroxypropyl methylcellulose isetyenziswa kakhulu njenge-dispersant kwimveliso ye-polyvinyl chloride, kwaye iyona arhente encedisayo ekulungiseleleni i-PVC ngokumiswa kwe-polymerization. Kwinkqubo yolwakhiwo lweshishini lokwakha, isetyenziswa ikakhulu kulwakhiwo lomatshini olufana nodonga...Funda ngokugqithisileyo»

Izongezo ezilungisiweyo ezifana nezongezo zodaka ezisele zixutywe, i-cellulose ethers, i-coagulation regulators, i-latex powder ehlaziywayo, i-air-entraining agents, ii-agent zamandla zakuqala, izinciphisi zamanzi, njl., ezongezwa ngokweemfuno zeprojekthi, ziphucula kakhulu ukusebenza. esele ixutywe...Funda ngokugqithisileyo»

Ukusetyenziswa kwe-hydroxypropyl methylcellulose (HPMC) kudaka lokwakhiwa kodaka lokutyabeka: Ukugcinwa kwamanzi aphezulu kunokwenza isamente ifakwe ngokupheleleyo, ikhulise kakhulu amandla ebhondi, kwaye kwangaxeshanye, inokunyusa ngokufanelekileyo amandla okuqina kunye namandla okucheba, kakhulu. .Funda ngokugqithisileyo»

(1) Ukuzimisela kwe-viscosity: Imveliso eyomileyo ilungiselelwe kwisisombululo samanzi kunye noxinzelelo lwesisindo se-2 ° C, kwaye ilinganiswa ne-NDJ-1 i-viscometer ejikelezayo; (2) Ukubonakala kwemveliso ngumgubo, kwaye imveliso esheshayo ifakwe "s". Uyisebenzisa njani ihydroxyp...Funda ngokugqithisileyo»

Isalathisi se-viscosity se-hydroxypropyl methylcellulose sisalathiso esibaluleke kakhulu. I-viscosity ayibonisi ubunyulu. I-viscosity ye-cellulose HPMC ixhomekeke kwinkqubo yokuvelisa. Iimeko ezahlukeneyo zokusebenzisa kufuneka zikhethe i-cellulose HPMC enee-viscosities ezahlukeneyo, hayi phezulu ...Funda ngokugqithisileyo»