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Kubaluleke kangakanani ukongeza i-polymer powder kwi-drymix mortar?
I-polymer powder edispersible i-polymer powder yi-spray-dried powder ye-polymer emulsion esekelwe kwi-ethylene-vinyl acetate copolymer. Yinto ebalulekileyo kwi-drymix mortar yanamhlanje. Ziziphi iimpembelelo zepolymer powder eziphinda zihlakazwe zibe nodaka lwesakhiwo? Amasuntswana omgubo wepolymer anokuphinda ahlakazwe...Funda ngokugqithisileyo -
Ngaba i-hypromellose ingathatha indawo ye-hydroxyethyl cellulose kwipeyinti yamatye yokwenyani
Iimveliso ze-cellulose zithathwe kwi-pulp ye-cotton yendalo okanye i-pulp yokhuni nge-etherification. Iimveliso ezahlukeneyo zeselulosi zisebenzisa i-etherifying agents ezahlukeneyo. I-Hypromellose HPMC isebenzisa ezinye iintlobo ze-etherifying agents (i-chloroform kunye ne-1,2-epoxypropane), ngelixa i-hydroxyethyl cellulose HEC isebenzisa i-Oxirane ...Funda ngokugqithisileyo -
Ngaba uyazi ukuba zeziphi iimpawu ze-cellulose ezifanelekileyo kakhulu ekusebenziseni udaka lodaka?
Ubungangamsha kunye nokuzinza kolwakhiwo olusetyenziswa ngoomatshini bodaka lokutyabeka zizinto eziphambili kuphuhliso, kunye ne-cellulose ether, njengondoqo wokudibanisa udaka lokutyabeka, idlala indima engenakubuyiselwa. I-ether ye-cellulose ineempawu zokugcinwa kwamanzi aphezulu kunye ne-wra enhle ...Funda ngokugqithisileyo -
Ukuthetha ngesizathu esibalulekileyo se-putty powder dedusting.
I-putty powder luhlobo lwezixhobo zokuhlobisa izakhiwo, eyona nto iphambili yi-talcum powder kunye neglue. I-Putty isetyenziselwa ukulungisa udonga lwe-substrate kwisinyathelo esilandelayo sokubeka isiseko esihle sokuhlobisa. I-Putty yahlulwe yaba ziindidi ezimbini zodonga lwangaphakathi kunye nodonga lwangaphandle, i-putt yodonga lwangaphandle ...Funda ngokugqithisileyo -
Ubungakanani besamente kumxube womxube wodaka lwe-masonry lunefuthe lini ekugcinweni kwamanzi odaka?
Umgaqo wezinto eziphathekayo zodaka lwe-masonry masonry yinxalenye yesakhiwo, kuphela ukuqinisekisa umgangatho opheleleyo wokubambisana, ukwakha kunye nokuzinza. Kukho izinto ezininzi ezichaphazela amandla. Ukuba nayiphi na imathiriyeli kwi-mix ratio ayinelanga, okanye ukubunjwa akwanelanga ...Funda ngokugqithisileyo -
Isiphumo somthamo we-latex powder odityanisiweyo kumandla okudibanisa kunye nokuxhathisa kwamanzi kwi-putty
Njengoko i-adhesive ephambili ye-putty, inani le-latex powder elichithwa kwakhona linempembelelo kumandla okudibanisa i-putty.Umfanekiso we-1 ubonisa ubudlelwane phakathi komthamo we-latex powder owenziwe ngokutsha kunye namandla ebhondi.Njengoko kunokubonwa kwi-Figure 1, kunye ukwanda komthamo wokuphinda usasazwe...Funda ngokugqithisileyo -
IHydroxypropyl methyl cellulose etha yodaka oluxutyiweyo oluxutyiweyo oluxutyiweyo
Kwimixube eyomileyo edibeneyo edibeneyo, umxholo we-HPMCE uphantsi kakhulu, kodwa unokuphucula ukusebenza kodaka olumanzi. Ukukhetha okunengqiqo kwe-cellulose ether eneentlobo ezahlukeneyo, i-viscosity eyahlukileyo, ubungakanani bamasuntswana ahlukeneyo, idigri ye-viscosity eyahlukeneyo kunye ne-addi...Funda ngokugqithisileyo -
Yintoni umahluko phakathi kwe-hypromellose ecocekileyo kunye ne-cellulose edibeneyo
I-Hypromellose ecocekileyo ye-HPMC ibukeka iguquguqukayo kunye noxinano oluncinci olusuka kwi-0.3 ukuya kwi-0.4 ml, ngelixa i-HPMC ehlanjululweyo ihamba phambili, inzima kwaye yahlukile kwimveliso yokwenyani ngenkangeleko. Isisombululo samanzi se-hypromellose se-HPMC sicacile kwaye sinokukhanya okuphezulu ...Funda ngokugqithisileyo -
Isiphumo se-“Tackifier” ekusetyenzisweni kwe-ether yeselulosi kudaka
I-cellulose ethers, ngakumbi i-hypromellose ethers, zizinto ezibalulekileyo zodaka lwezorhwebo. Kwi-cellulose ether, i-viscosity yayo isalathiso esibalulekileyo samashishini okuvelisa udaka, i-viscosity ephezulu iphantse ibe yimfuno esisiseko yoshishino lodaka. Ngenxa ye...Funda ngokugqithisileyo -
I-HPMC, emele i-hydroxypropyl methylcellulose, sisixhobo esisetyenziswa ngokubanzi kwi-adhesive tile.
I-Hydroxypropyl methylcellulose (HPMC) yinto esetyenziswa ngokuqhelekileyo kwi-adhesive formulations. I-polymer e-soluble yamanzi ephuma kwi-cellulose, i-polymer yendalo eyenza icandelo lolwakhiwo lweendonga zesityalo. I-HPMC isetyenziswa kakhulu kushishino lolwakhiwo ngenxa yokugqwesa kwayo ...Funda ngokugqithisileyo -
Izongezo zodaka olomileyo zizinto ezisetyenziselwa ukomeleza ukusebenza kwemixube yodaka olusekwe kwisamente.
Udaka lomgubo olomileyo lubhekiselele kwigranular okanye kwimathiriyeli engumgubo eyenziwe ngokuxutywa ngokwasemzimbeni kweeaggregates, imathiriyeli yesamente ye-inorganic, kunye nezongezo eziye zomiswa zaze zajongwa ngokomlinganiselo othile. Zeziphi izongezo ezisetyenziswa ngokuqhelekileyo kumgubo wodaka owomileyo? I...Funda ngokugqithisileyo -
I-Cellulose ether yimathiriyeli eguquguqukayo efumene ukusetyenziswa kumashishini ahlukeneyo, ukusuka kulwakhiwo kunye namayeza ukuya ekutyeni nakwizinto zokuthambisa. Eli nqaku lijonge ukubonelela ngentshayelelo...
I-ether ye-cellulose ligama elihlangeneyo kwiintlobo ezahlukeneyo ze-derivatives ezifunyenwe kwi-cellulose yendalo (ikotoni ecocekileyo kunye ne-pulp yomthi, njl.) ngokusebenzisa i-etherification. Yimveliso eyenziwe ngokuthathelwa indawo ngokuyinxenye okanye ngokupheleleyo kwamaqela e-hydroxyl kwi-cellulose macromolecules ngamaqela e-ether, kwaye kukwenza...Funda ngokugqithisileyo
