I-cellulose ether hpmc inomsebenzi wokugcina amanzi nokuqina ku-samente mortar kanye ne-gypsum-based mortar, okungathuthukisa ngempumelelo ukunamathela kanye nokumelana okuqondile kwezinto ze-samente.
Izinto ezifana nokushisa kwegesi, izinga lokushisa kanye nesivinini somoya zinomthelela omubi esilinganisweni sokuhwamuka komswakama okuvela ku-samente mortar kanye nemikhiqizo esekelwe ku-gypsum. Ngakho-ke, kunomehluko othile ekungezeni inani elifanayo lemikhiqizo ye-HPMC ukuze kulondolozwe ukusebenza kahle kwamanzi njalo ngesizini.
Ekuthululweni kokhonkolo, umphumela wokukhiya amanzi ungalungiswa ngokwandisa nokunciphisa ukugeleza kwengxenye. Izinga lokugcina amanzi le-methyl cellulose ether ekushiseni okuphezulu liyinani elibalulekile lokuhlukanisa ikhwalithi ye-methyl cellulose ether.
Imikhiqizo ye-HPMC esezingeni eliphezulu ingaxazulula ngempumelelo inkinga yokuvaleka kwamanzi okushisa okuphezulu. Ezinkathini zokushisa okuphezulu, ikakhulukazi ezindaweni ezishisayo nezinomswakama kanye nokwakhiwa kwe-chromatography, i-HPMC esezingeni eliphezulu iyadingeka ukuze kuthuthukiswe ukugcinwa kwamanzi kwe-slurry.
I-HPMC esezingeni eliphezulu ilinganiswe kahle kakhulu, futhi amaqembu ayo e-methoxyl kanye ne-hydroxypropyl asatshalaliswa ngokulinganayo kuchungechunge lwama-molecule e-cellulose, okungathuthukisa ikhono lama-molecule e-oxygen lokwakha izibopho ze-covalent kuma-hydroxyl kanye ne-ether bonds.
Ingalawula ngempumelelo ukuhwamuka kwamanzi okubangelwa isimo sezulu esishisayo futhi ifinyelele umphumela ophezulu wokuvalela amanzi. I-methylcellulose HPMC esezingeni eliphezulu ingasetshenziswa ku-mortar exubile kanye ne-plaster yezandla ze-paris.
Faka zonke izinhlayiya eziqinile ukuze wakhe ifilimu emanzi, bese umswakama ojwayelekile uzokhishwa kancane isikhathi eside, futhi usabela ezintweni ezingaphili kanye nezinto ze-collagen ukuqinisekisa amandla okubopha kanye namandla okudonsa.
Ngakho-ke, endaweni yokwakha eshisayo yasehlobo, ukuze sifeze umphumela wokonga amanzi, kumelwe sengeze imikhiqizo ye-HPMC esezingeni eliphezulu ngokweresiphi, ngaphandle kwalokho, izobangelwa ukuntuleka kokuqina, amandla anciphile, ukuqhekeka, i-gas drum nezinye izinkinga zekhwalithi yomkhiqizo. Kubangela ukoma ngokushesha kakhulu.
Lokhu kwandisa nobunzima bokwakha kwabasebenzi. Njengoba izinga lokushisa lehla, inani le-HPMC elingeziwe liyehla kancane kancane ukuze kutholakale umswakama ofanayo.
Isikhathi sokuthunyelwe: Meyi-11-2023