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Ndikofunikira bwanji kuwonjezera ufa wa polima wopangidwanso mumtondo wowuma?
Redispersible polima ufa ndi ufa wowumitsidwa wa polima emulsion yochokera pa ethylene-vinyl acetate copolymer. Ndi chinthu chofunikira mumtondo wamakono wa drymix. Kodi ufa wa polima wogawanikanso uli ndi zotsatira zotani pamatope omanga? The redispersible polima ufa particles fil...Werengani zambiri -
Kodi hypromellose ingalowe m'malo mwa hydroxyethyl cellulose mu utoto weniweni wamwala
Zida za cellulose zimachokera ku zamkati za thonje lachilengedwe kapena zamkati zamatabwa ndi etherification. Mitundu yosiyanasiyana ya cellulose imagwiritsa ntchito ma etherifying osiyanasiyana. Hypromellose HPMC imagwiritsa ntchito mitundu ina ya etherifying agents (chloroform ndi 1,2-epoxypropane), pomwe hydroxyethyl cellulose HEC imagwiritsa ntchito Oxirane ...Werengani zambiri -
Kodi mukudziwa kuti ndi zinthu ziti za cellulose zomwe ndizoyenera kugwiritsidwa ntchito popaka matope?
Kupambana ndi kukhazikika kwa zomangamanga zamakina za pulasitala matope ndizomwe zimapangitsa kuti pakhale chitukuko, ndipo cellulose ether, monga chowonjezera cha pulasitala matope, imagwira ntchito yosasinthika. Ma cellulose ether ali ndi mawonekedwe a kuchuluka kwa madzi osungira madzi komanso wra wabwino ...Werengani zambiri -
Kulankhula za chifukwa chofunikira cha putty powder dedusting.
Putty ufa ndi mtundu wa zida zokongoletsera zomangira, chopangira chachikulu ndi ufa wa talcum ndi guluu. Putty amagwiritsidwa ntchito kukonzanso khoma la gawo lapansi pa sitepe yotsatira kuti akhazikitse maziko abwino a zokongoletsera. Putty imagawidwa m'mitundu iwiri ya khoma lamkati ndi khoma lakunja, khoma lakunja lakunja ...Werengani zambiri -
Kodi kuchuluka kwa simenti mu chiŵerengero chosakanikirana cha matope a masonry kumakhudza bwanji kusunga madzi kwa matope?
Mfundo yamtengo wapatali yomanga matope a masonry ndi gawo lofunika kwambiri la nyumbayi, kuti zitsimikizire mtundu wonse wa mgwirizano, kumanga ndi kukhazikika. Pali zinthu zambiri zomwe zimakhudza mphamvu. Ngati zinthu zilizonse zomwe zili mu chiŵerengero chosakanikirana sizikwanira, kapena zolembazo sizikwanira ...Werengani zambiri -
Zotsatira za kuchuluka kwa ufa wa latex womwe ungathe kuwiritsanso pamphamvu yomangirira komanso kukana kwamadzi kwa putty
Monga zomatira zazikulu za putty, kuchuluka kwa redispersible latex powder kumakhudza mphamvu yomangirira ya putty.Figure 1 ikuwonetsa mgwirizano pakati pa kuchuluka kwa ufa wa latex wopangidwanso ndi mphamvu ya mgwirizano. kuchuluka kwa zinthu zomwe zatulutsidwa ...Werengani zambiri -
Hydroxypropyl methyl cellulose ether kwa matope osakaniza osakaniza okonzeka
Mumtondo wowuma wosakanizika wosakanikirana, zomwe zili mu HPMCE ndizochepa kwambiri, koma zimatha kusintha magwiridwe antchito amatope onyowa. Kusankhidwa koyenera kwa cellulose ether yokhala ndi mitundu yosiyanasiyana, kukhuthala kosiyana, kukula kwa tinthu tating'onoting'ono, digiri yamakayendedwe osiyanasiyana ndi addi...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa hypromellose yoyera ndi cellulose wosakanizidwa
HPMC yoyera ya hypromellose imakhala yowoneka bwino komanso yocheperako pang'ono kuyambira 0,3 mpaka 0.4 ml, pomwe HPMC yopangidwa ndi HPMC imakhala yoyenda, yolemera komanso yosiyana ndi mawonekedwe enieni. The pure hypromellose HPMC amadzimadzi yankho ndi zomveka ndipo ali mkulu kuwala trans...Werengani zambiri -
Zotsatira za "Tackifier" pakugwiritsa ntchito cellulose ether mumatope
Ma cellulose ethers, makamaka hypromellose ethers, ndi zigawo zofunika za matope amalonda. Kwa cellulose ether, mamasukidwe ake ndi index yofunikira yamabizinesi opangira matope, kukhuthala kwakukulu kwakhala kofunikira kwambiri pamakampani amatope. Chifukwa ndi...Werengani zambiri -
HPMC, yomwe imayimira hydroxypropyl methylcellulose, ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri pomatira matailosi.
Hydroxypropyl methylcellulose (HPMC) ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri popanga zomatira matailosi. Ndi polima yosungunuka m'madzi yochokera ku cellulose, polima yachilengedwe yomwe imapanga gawo la makoma a cellulose. HPMC imagwiritsidwa ntchito kwambiri pantchito yomanga chifukwa cha ...Werengani zambiri -
Dry powder mortar additives ndi zinthu zomwe zimagwiritsidwa ntchito kupititsa patsogolo magwiridwe antchito a matope opangidwa ndi simenti.
Dothi la ufa wowuma limatanthawuza chinthu chopangidwa ndi granular kapena ufa wopangidwa ndi kusanganikirana kwamagulu, zida za simenti, ndi zowonjezera zomwe zawumitsidwa ndikuwunikiridwa mu gawo linalake. Kodi zowonjezera zomwe zimagwiritsidwa ntchito kwambiri pamatope owuma ndi ati? The...Werengani zambiri -
Cellulose ether ndi zinthu zosunthika zomwe zapeza ntchito m'mafakitale osiyanasiyana, kuyambira zomangamanga ndi zamankhwala mpaka chakudya ndi zodzola. Nkhaniyi ikufuna kupereka intro...
Cellulose ether ndi mawu ophatikizana amitundu yosiyanasiyana yochokera ku cellulose yachilengedwe (thonje woyengedwa ndi zamkati zamatabwa, ndi zina zotero) kudzera mu etherification. Ndi chinthu chopangidwa ndi kulowetsa pang'ono kapena kwathunthu kwa magulu a hydroxyl mu cellulose macromolecules ndi magulu a ether, ndipo ndi ...Werengani zambiri
