Cellulose yomangira ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri popanga zomangamanga. Cellulose yomangira imagwiritsidwa ntchito kwambiri mu matope ouma. Kuwonjezera kwa cellulose ether ndikochepa kwambiri, koma kumatha kusintha kwambiri magwiridwe antchito a matope onyowa ndikukhudza kapangidwe ka matope. Magwiridwe antchito ayenera kuganiziridwa bwino akagwiritsidwa ntchito. Ndiye kodi cellulose ndi chiyani kwenikweni pakupanga, ndipo njira yomangira ya cellulose yomangira ndi iti? Ngati simukudziwa zambiri za makhalidwe ndi njira yomangira ya cellulose yomangira, tiyeni tiwone pamodzi.
Kodi cellulose ndi zinthu ziti zomwe zimagwiritsidwa ntchito popanga zinthu?
1. Maonekedwe: ufa woyera kapena wosakhala woyera.
2. Kukula kwa tinthu tating'onoting'ono; kuchuluka kwa maukonde 100 ndi kokulirapo kuposa 98.5%; kuchuluka kwa maukonde 80 ndi kokulirapo kuposa 100%.
3. Kutentha kwa kaboni: 280-300°C
4. Kuchuluka kooneka: 0.25-0.70/cm3 (nthawi zambiri pafupifupi 0.5g/cm3), mphamvu yokoka yeniyeni 1.26-1.31.
5. Kutentha kwa mtundu: 190-200°C
6. Kukanika kwa pamwamba: 2% yankho lamadzi ndi 42-56dyn/cm.
7. Amasungunuka m'madzi ndi zinthu zina zosungunulira, monga kuchuluka koyenera kwa ethanol/madzi, propanol/madzi, trichloroethane, ndi zina zotero. Mayankho amadzi amagwira ntchito pamwamba. Kuwonekera bwino, magwiridwe antchito okhazikika, mawonekedwe osiyanasiyana a zinthu ali ndi kutentha kosiyana kwa gel, kusinthasintha kwa kusungunuka ndi kukhuthala, kukhuthala kotsika, kusungunuka kwakukulu, mawonekedwe osiyanasiyana a HPMC ali ndi kusiyana kwa magwiridwe antchito, ndipo kusungunuka kwa HPMC m'madzi sikukhudzidwa ndi pH.
8. Pamene kuchuluka kwa methoxyl kumachepa, mfundo ya gel imawonjezeka, kusungunuka kwa madzi kwa HPMC kumachepa, ndipo ntchito ya pamwamba imachepanso.
9. HPMC ilinso ndi makhalidwe monga kukhuthala, kukana mchere, ufa wochepa wa phulusa, kukhazikika kwa PH, kusunga madzi, kukhazikika kwa mawonekedwe, mphamvu yabwino kwambiri yopangira filimu, komanso kukana ma enzyme osiyanasiyana, kufalikira ndi kugwirizana.
Kodi njira yopangira cellulose yomangira ndi iti:
1. Zofunikira pamlingo wapansi: Ngati khoma lolimba silingathe kukwaniritsa zofunikira, pamwamba pa khoma lolimba liyenera kutsukidwa bwino, ndipo cholumikizira chiyenera kugwiritsidwa ntchito kuti chiwonjezere mphamvu yosungira madzi pakhoma ndikuwonjezera mphamvu yolumikizirana pakati pa khoma ndi bolodi la polystyrene.
2. Mzere wowongolera sewero: tsegulani mizere yowongolera yopingasa ndi yoyimirira ya zitseko ndi mawindo akunja, malo olumikizirana, malo olumikizirana zokongoletsera, ndi zina zotero pakhoma.
3. Pachika mzere wofotokozera: Pachika mawaya oimirira achitsulo pamakona akuluakulu (makona akunja, makona amkati) a makoma akunja a nyumbayo ndi malo ena ofunikira, ndipo pachika mizere yopingasa pamalo oyenera pa chipinda chilichonse kuti muwongolere kuyima ndi kusalala kwa bolodi la polystyrene.
4. Kukonzekera matope omatira a polima: Chida ichi ndi matope omatira a polima okonzedwa, omwe ayenera kugwiritsidwa ntchito malinga ndi zofunikira za chinthuchi, popanda kuwonjezera zinthu zina, monga simenti, mchenga ndi ma polima ena.
5. Ikani nsalu yozungulira yopindika: Malo onse owonekera pambali pa bolodi lopindika la polystyrene (monga malo olumikizirana, malo olumikizirana nyumba, malo olumikizirana kutentha ndi ma suture ena mbali zonse ziwiri, zitseko ndi mawindo) ayenera kutsukidwa ndi nsalu yozungulira.
6. Bolodi yomatira ya polystyrene: Dziwani kuti kudulako kuli kolunjika pamwamba pa bolodi. Kusiyana kwa kukula kuyenera kukwaniritsa zofunikira za malamulo, ndipo malo olumikizira bolodi ya polystyrene sayenera kusiyidwa pamakona anayi a chitseko ndi zenera.
7. Kukhazikitsa ma nangula: chiwerengero cha ma nangula chimaposa 2 pa mita imodzi (chawonjezeka kufika pa zoposa 4 pa nyumba zazitali).
8. Konzani matope opaka pulasitala: Konzani matope opaka pulasitala molingana ndi chiŵerengero chomwe wopanga wapereka, kuti mupeze muyeso wolondola, kusakaniza kwachiwiri kwa makina, komanso kusakaniza.
Pakati pa mitundu ya cellulose yomwe imagwiritsidwa ntchito popanga, cellulose ether yomwe imagwiritsidwa ntchito ndi hydroxypropyl methylcellulose mu dry powder mortar makamaka ndi hydroxypropyl methylcellulose ether. Hydroxypropyl methylcellulose imagwira ntchito makamaka pakusunga madzi, kukhuthala komanso kukonza magwiridwe antchito omanga mu dry powder mortar.
Nthawi yotumizira: Meyi-10-2023