Hydroxypropyl methylcellulose, commonly known as HPMC, is a compound widely used in the construction industry, especially putty powder. Isebenza njenge-thi cokener, i-binder kunye ne-emulsifier. I-HPMC yeyokuphucula intsebenzo kunye nokuphumelela komgubo we-poty powder. Njengayo nayiphi na enye i-shemic yophawu, i-HPMC ineeseti zayo zedilesi. Nangona kunjalo, le micimbi inokuqwalaselwa ngokuziphatha okuhle nokwenza ngononophelo.
Ingxaki 1: Ayikwazi ukusasaza
Ngamanye amaxesha i-HPMC isasaza kakubi kwi-podty powder, yenziwa i-phumela okanye isaphulelo ekunzima ukuyinyibilikisa. Le ngxaki ikhokelela ekufakweni kwemveliso engalunganga kwimveliso yokugqibela, okukhokelela ekutyebukani okubuthathaka, amandla aphantsi, kunye nokunyuka okungekho mgangathweni.
Isisombululo: Eyona ndlela ilungileyo yokuqinisekisa ukuba i-HPMC ichithwe ngokupheleleyo kumgubo wokungenela kukuqala ukuxuba ngamanzi kwaye yongeza kumxube wokugqibela. Umyinge ofanelekileyo wokudibanisa ofanelekileyo kufuneka usetyenziselwe ukuqinisekisa umxube we-HPMC. Ukongeza, ukusetyenziswa kwezixhobo zokudibanisa i-shear ephezulu kunceda ekuphuculeni ukusasazeka kwe-HPMC.
Ingxaki 2: Ukugcinwa kwamanzi ahluphekayo
Enye yeenzuzo ezibalulekileyo zokusebenzisa i-HPMC kwi-podty powder kukuphucula ukugcinwa kwamanzi. Nangona kunjalo, oku kuyasebenza kuphela ukuba i-HPMC yenziwa ngokuchanekileyo kwaye isetyenziswa kumanqanaba aphezulu. Ukugcinwa kwamanzi okuhlwempuzekileyo kungakhokelela ekusebenzeni okungahambelaniyo, okhokelela kumphezulu wokuqhekeka komhlaba kunye namandla aphucukileyo.
Isisombululo: Isixa se-HPMC kwi-potty powder kufuneka ilungiselelwe ukufezekisa iziphumo ezilungileyo. Umthamo ocetyiswayo we-HPMC yi-0.3-0.5% yobunzima be-polly powder. Sebenzisa amanqanaba aphezulu kunecetyiswayo akuyi kuphucula iipropathi zokugcina amanzi kodwa kungakhokelela ekunciphiseni ukusebenza kunye nezivuno ezisezantsi.
Ingxaki 3: Ukulibaziseka kwexesha elomileyo
I-posty powlers isebenzisa i-HPMC ngamanye amaxesha ithathe ixesha elide ukuba yomile kunelilindelekile, yenza isicelo kunye nokugqibezela kunzima. Le ngxaki ihlala yenzeka ngexesha lemozulu emanzi kunye ebandayo, kodwa inokwenzeka ngenxa yokuqulunqa ngokungachanekanga.
Isisombululo: Eyona ndlela ilungileyo yokusombulula le ngxaki kukwandisa umoya wokungena kunye nokuvezwa komoya ngexesha lokwakha ukukhawulezisa inkqubo yokomisa. Nangona kunjalo, kwiimeko zemozulu ezibandayo, ukusebenzisa i-heater okanye omnye umthombo wobushushu unokunceda ukukhawulezisa ixesha elomileyo. Kukwabalulekile ukuqinisekisa ukuba usebenzisa umlinganiselo ofanelekileyo wamanzi onokuthi ubeke umgubo, njengoko amanzi angaphezulu anokubangela amaxesha amnyama okukomisa.
Ingxaki 4: Ubomi obuNcitshisiweyo beShelsi
I-HPMC ichaphazeleka kukukhula kwentsholongwane, ngakumbi kwiindawo ezifudumeleyo nezinomswakama, ezinokubangela ubomi obufutshane beshelty powder yomgubo. Ukukhula kwe-rotional kunokubonelela ngemveliso engaqhelekanga, kukhokelela kwiindleko ezinxulumene neendleko zokutshintsha.
Isisombululo: Ukugcinwa ngokufanelekileyo kwe-HPMC kubalulekile ekuqinisekiseni ububomi obude. Ifanele igcinwe kwindawo epholileyo, eyomileyo ukuze ibonakalise ukuvela komswakama. Ukongeza, ukusetyenziswa kwezinto ezizigcino kunye ne-fungicides kuyanceda ukuthintela ukukhula kwe-microbial kwaye kwandise ubomi beshelufu yomgubo we-poty powder.
Ingxaki 5: Ubunzima Izixhobo
I-preties equlethe i-HPMC ihambelana nokuthobela imiphezulu ye-imeyile kunye nezixhobo, ezinokwenza ukucoca izibonelelo ezinzima nezinokubakho.
Isisombululo: Faka isicelo searhente yokukhutshwa kwesixhobo ngaphambi kokuba usetyenziswe ukunceda ukukhusela i-powd powder ekuthandeni isixhobo. Ukongeza, ukusebenzisa umthombo wamanzi oxinzelelo oluphezulu kunokukunceda ukususa i-fatty egqithisileyo kwizixhobo kunye nomhlaba.
Ukusetyenziswa kwe-HPMC kwi-podty powder ineenzuzo ezibalulekileyo zokunyanzeliswa kwezixhobo, ukuphucula ukusebenza kunye nokusebenza. Nangona kunjalo, ukuvuna ezi zibonelelo, imiba enokuthi ivele ngexesha lokuqulunqwa kunye nesicelo kufuneka zichongwe. Izisombululo ezixoxwe kweli nqaku zinokunceda ukusombulula le micimbi kwaye zinciphise umngcipheko ukuqinisekisa ukusetyenziswa ngokukuko nokusebenza kakuhle kwe-HPMC kwi-podty powder.
IXESHA LOKUQALA: FEB-19 ukuya ku-1525