-
Kubaluleke kangakanani ukwengeza i-polymer powder ehlakazeka kabusha kudaka lwe-drymix?
I-redispersible polymer powder iyimpushana eyomisiwe ye-polymer emulsion esekelwe ku-ethylene-vinyl acetate copolymer. Kuyinto ebalulekile kudaka lwesimanje lwe-drymix. Imiphi imiphumela impushana ye-polymer ehlakazeka kabusha enayo odakeni lwesakhiwo? Izinhlayiya ze-polymer ezihlakazeka kabusha zempushana zifafa...Funda kabanzi -
Ingakwazi ukufaka i-hypromellose esikhundleni se-hydroxyethyl cellulose ngopende wetshe wangempela
Imikhiqizo ye-cellulose itholakala ku-pulp yemvelo kakotini noma i-pulp yokhuni nge-etherification. Imikhiqizo ehlukene ye-cellulose isebenzisa ama-etherifying ahlukene. I-Hypromellose HPMC isebenzisa ezinye izinhlobo ze-etherifying agents (i-chloroform ne-1,2-epoxypropane) , kuyilapho i-hydroxyethyl cellulose HEC isebenzisa i-Oxirane ...Funda kabanzi -
Uyazi ukuthi yiziphi izakhiwo ze-cellulose ezifanele kakhulu ukusetshenziswa ekudakeni kodaka?
Ukuphakama nokuzinza kokwakhiwa kwemishini yodaka lokuplasta yizici ezibalulekile ekuthuthukisweni, futhi i-cellulose ether, njengesithako esiyinhloko sodaka lokuplasta, idlala indima engenakushintshwa. I-Cellulose ether inezici zezinga eliphezulu lokugcinwa kwamanzi kanye ne-wra enhle...Funda kabanzi -
Ukukhuluma ngesizathu esibalulekile se-putty powder dedusting.
I-Putty powder iwuhlobo lwezinto zokwakha zokuhlobisa, isithako esiyinhloko yi-talcum powder neglue. I-Putty isetshenziselwa ukulungisa udonga lwe-substrate yesinyathelo esilandelayo sokubeka isisekelo esihle sokuhlobisa. I-Putty ihlukaniswe yaba izinhlobo ezimbili zodonga lwangaphakathi nodonga lwangaphandle, i-putt yangaphandle yodonga ...Funda kabanzi -
Inani likasimende esilinganisweni sengxube yodaka lwamatshe linamuphi umphumela ekugcinweni kwamanzi kodaka?
Umgomo wezinto ezibonakalayo wodaka lwemasonry masonry uyingxenye ebalulekile yesakhiwo, kuphela ukuze kuqinisekiswe ikhwalithi ephelele yokuhlangana, ukwakha nokuzinza. Ziningi izinto ezithinta amandla. Uma noma iyiphi into esesilinganisweni semiksi inganele, noma ukwakheka kungenakwanele...Funda kabanzi -
Umthelela yenani lempushana ye-latex ehlakazeka kabusha emandleni okubopha kanye nokumelana namanzi kwe-putty
Njenge-adhesive eyinhloko ye-putty, inani le-latex powder elihlakazeka kabusha linomthelela emandleni okubopha i-putty.Umfanekiso 1 ubonisa ubuhlobo phakathi kwenani le-latex powder elihlakazeka kabusha namandla esibopho.Njengoba kungabonakala kuMfanekiso 1, ne- ukwanda kwenani lokuphinde lihlakazwe...Funda kabanzi -
IHydroxypropyl methyl cellulose ether yodaka olomile oluxubile oluxubile
Odakeni oluxubile oluxubile oluxubile, okuqukethwe kwe-HPMCE kuphansi kakhulu, kodwa kungathuthukisa ukusebenza kodaka olumanzi. Ukukhetha okunengqondo kwe-cellulose ether enezinhlobonhlobo ezihlukene, i-viscosity ehlukene, usayizi wezinhlayiyana ezahlukene, i-viscosity degree ehlukile kanye ne-addi...Funda kabanzi -
Uyini umehluko phakathi kwe-hypromellose emsulwa ne-cellulose ehlanganisiwe
I-HPMC ehlanzekile ye-hypromellose ibukeka ithambile futhi inenqwaba encane yenqwaba esukela ku-0.3 kuye ku-0.4 ml, kuyilapho i-HPMC ephihliwe ihamba kakhulu, isindayo futhi ihlukile kumkhiqizo wangempela ngokubukeka. Isixazululo samanzi se-hypromellose HPMC sicacile futhi sinokushintsha kokukhanya okuphezulu...Funda kabanzi -
Umthelela “we-Tackifier” ekusetshenzisweni kwe-cellulose ether odakeni
Ama-cellulose ethers, ikakhulukazi ama-hypromellose ethers, ayizingxenye ezibalulekile zodaka lwezentengiselwano. Nge-cellulose ether, i-viscosity yayo iyinkomba ebalulekile yamabhizinisi okukhiqiza udaka, i-viscosity ephezulu isicishe ibe yisidingo esiyisisekelo semboni yodaka. Ngenxa yokuthi i...Funda kabanzi -
I-HPMC, emele i-hydroxypropyl methylcellulose, iyisengezo esisetshenziswa kakhulu ekunamathiseleni amathayili.
IHydroxypropyl methylcellulose (HPMC) iyisengezo esisetshenziswa kakhulu ekwenziweni kokunamathela kwethayela. Kuyi-polymer encibilika emanzini etholakala ku-cellulose, i-polymer yemvelo eyenza ingxenye yesakhiwo sezindonga zamaseli ezitshalo. I-HPMC isetshenziswa kabanzi embonini yezokwakha ngenxa ye ...Funda kabanzi -
Izithasiselo ze-powder mortar ezomile yizinto ezisetshenziselwa ukuthuthukisa ukusebenza kwezingxube zodaka olusekelwe kusimende.
Udaka lwempuphu eyomile lusho into eyimbudumbudu noma eyimpuphu eyakhiwe ngokuxubana okungokomzimba kwezinhlanga, izinto zikasimende ezingaphili, nezithasiselo ezomisiwe futhi zahlolwa ngengxenye ethile. Yiziphi izithasiselo ezivame ukusetshenziselwa udaka lwempushana eyomile? I...Funda kabanzi -
I-Cellulose ether iwumsebenzi oguquguqukayo othole ukusetshenziswa ezimbonini ezahlukahlukene, kusukela kwezokwakha nezokuthaka imithi kuya ekudleni nezimonyo. Lesi sihloko sihlose ukunikeza isingeniso...
I-Cellulose ether yitemu elihlangene lezinhlobonhlobo zokuphuma kokunye okutholakala ku-cellulose yemvelo (ukotini ocolisisiwe kanye ne-pulp yokhuni, njll.) ngokusebenzisa i-etherification. Kungumkhiqizo owakhiwe ngokushintshwa okuyingxenye noma okuphelele kwamaqembu e-hydroxyl kuma-cellulose macromolecules ngamaqembu e-ether, futhi kuwumsebenzi...Funda kabanzi
