I-Cellulose yokwakha iyisengezo esisetshenziswa kakhulu ekukhiqizweni kokwakha. I-Cellulose yokwakha isetshenziswa kakhulu ku-mortar yempuphu eyomile. Ukwengezwa kwe-cellulose ether kuphansi kakhulu, kodwa kungathuthukisa kakhulu ukusebenza komortar emanzi futhi kuthinte ukwakhiwa komortar. Ukusebenza kufanele kunakwe lapho kusetshenziswa. Ngakho-ke yiziphi izakhiwo zomzimba ze-cellulose zokwakha, futhi iyini inqubo yokwakha ye-cellulose yokwakha? Uma ungazi okuningi ngezakhiwo kanye nenqubo yokwakha ye-cellulose yokwakha, ake sibheke ndawonye.
Yiziphi izakhiwo zomzimba ze-cellulose zokwakha:
1. Ukubukeka: impuphu emhlophe noma engabonakali kahle.
2. Usayizi wezinhlayiya; izinga lokudlula le-mesh eyi-100 likhulu kuno-98.5%; izinga lokudlula le-mesh engama-80 likhulu kuno-100%.
3. Izinga lokushisa le-carbonization: 280-300°C
4. Ubuningi obubonakalayo: 0.25-0.70/cm3 (ngokuvamile cishe u-0.5g/cm3), amandla adonsela phansi athile 1.26-1.31.
5. Izinga lokushisa lokushintsha umbala: 190-200°C
6. Ukucindezeleka kobuso: Isixazululo samanzi esingu-2% singu-42-56dyn/cm.
7. Incibilika emanzini nakwezinye izincibilikisi, njengesilinganiso esifanele se-ethanol/amanzi, i-propanol/amanzi, i-trichloroethane, njll. Izixazululo zamanzi zisebenza phezulu. Ukucaca okuphezulu, ukusebenza okuzinzile, imininingwane ehlukene yemikhiqizo inezinga lokushisa elihlukile lejeli, izinguquko zokuncibilika nge-viscosity, lapho i-viscosity iphansi, kulapho ukuncibilika kukhulu, imininingwane ehlukene ye-HPMC inomehluko othile ekusebenzeni, futhi ukuncibilika kwe-HPMC emanzini akuthinteki yinani le-pH.
8. Ngokuncipha kokuqukethwe kwe-methoxyl, iphuzu lejeli liyakhula, ukuncibilika kwamanzi kwe-HPMC kuyancipha, futhi umsebenzi wobuso nawo uyancipha.
9. I-HPMC inezici zekhono lokujiya, ukumelana nosawoti, impuphu yomlotha ephansi, ukuzinza kwe-PH, ukugcinwa kwamanzi, ukuzinza kobukhulu, isici esihle kakhulu sokwakha ifilimu, kanye nobubanzi bokumelana nama-enzyme, ukuhlakazeka kanye nokuhlangana.
Iyini inqubo yokwakha i-cellulose yokwakha:
1. Izidingo zezinga lesisekelo: Uma ukunamathela kodonga lwezinga lesisekelo kungakwazi ukuhlangabezana nezidingo, ubuso bangaphandle bodonga lwezinga lesisekelo kufanele buhlanzwe kahle, futhi kufanele kusetshenziswe i-interface agent ukuze kwandiswe amandla okugcina amanzi odonga ngaleyo ndlela kuthuthukiswe amandla okubopha phakathi kodonga nebhodi le-polystyrene.
2. Umugqa wokulawula wokudlala: vula imigqa yokulawula evundlile neqondile yeminyango namafasitela angaphandle, amalunga okunwebeka, amalunga okuhlobisa, njll. odongeni.
3. Lengisa umugqa wokubhekisela: Lengisa izintambo zensimbi zokubhekisela eziqondile emakhoneni amakhulu (amakhona angaphandle, amakhona angaphakathi) ezindongeni zangaphandle zesakhiwo nakwezinye izindawo ezidingekayo, bese ulengisa imigqa evundlile ezindaweni ezifanele phansi ngalinye ukuze ulawule ukuma nokuthamba kwebhodi le-polystyrene.
4. Ukulungiswa kwe-polymer adhesive mortar: Le nto iyi-polymer adhesive mortar elungiselelwe, okufanele isetshenziswe ngokwezidingo zalo mkhiqizo, ngaphandle kokwengeza ezinye izinto, njengesamente, isihlabathi kanye nezinye i-polymer.
5. Namathisela indwangu yegridi eguquliwe: Zonke izindawo eziveziwe ohlangothini lwebhodi le-polystyrene elinamathiselwe (njengezindawo zokwandisa, izindawo zokuhlanganisa izakhiwo, izindawo zokushisa kanye nezinye izithungo ezinhlangothini zombili, iminyango namafasitela) kufanele ziphathwe ngendwangu yegridi.
6. Ibhodi le-polystyrene elinamathelayo: Qaphela ukuthi ukusika kuqondile ebusweni bebhodi. Ukuphambuka kosayizi kufanele kuhlangabezane nezidingo zemithetho, futhi izihlanganisi zebhodi le-polystyrene akufanele zishiywe emagumbini amane omnyango nefasitela.
7. Ukulungiswa kwezikhonkwane: inani lezikhonkwane lingaphezu kuka-2 ngemitha yesikwele (likhuphuke laya ngaphezu kuka-4 ezakhiweni eziphakeme).
8. Lungisa udaka lokuplasta: Lungisa udaka lokuplasta ngokwesilinganiso esinikezwe umenzi, ukuze kufezwe isilinganiso esinembile, ukuxuba okwesibili ngomshini, ngisho nokuxuba.
Phakathi kwezinhlobo ze-cellulose ezisetshenziswa ekwakheni, i-cellulose ether esetshenziswa yi-hydroxypropyl methylcellulose ku-dry powder mortar ikakhulukazi i-hydroxypropyl methylcellulose ether. I-Hydroxypropyl methylcellulose idlala indima yokugcina amanzi, ukuqina kanye nokuthuthukisa ukusebenza kokwakhiwa ku-dry powder mortar.
Isikhathi sokuthunyelwe: Meyi-10-2023