Abstract:
Ama-ethers esitashi asuselwa kusitashi ngokuguqulwa kwamakhemikhali futhi asetshenziswa ezinhlotsheni ezihlukene zezimboni, isicelo esisodwa esiphawulekayo sitholakala kuma-adhesive e-gypsum. Lesi sihloko sinikeza ukuhlola okuphelele kwendima nokubaluleka kwe-starch ethers kuzinto zokunamathisela ze-gypsum, sibheka kabanzi amakhemikhali ayo, izinqubo zokukhiqiza, kanye nezinzuzo eziningi ezizilethayo ekwakhekeni kwe-adhesive.
1 Isingeniso:
Izinamathiselo ze-Gypsum zisetshenziswa kakhulu embonini yezokwakha ukuze kuhlanganiswe i-drywall, i-drywall, nezinye izinhlelo zokusebenza ezihlobene. Ukwengezwa kwama-ether esitashi kulezi zinamathiselo kuye kwaboniswa ukuthuthukisa izici zazo zokusebenza, ngezinzuzo ezifana namandla ebhondi athuthukisiwe, ukumelana namanzi nokuqhubekela phambili. Lesi sigaba sinikeza umbono ocacile wokubaluleka kokunamathela emkhakheni wokwakha futhi sichaza indima ye-starch ethers ekuthuthukiseni izakhiwo ze-gypsum adhesives.
2. Izici zamakhemikhali ze-starch ether:
I-starch ether ingumkhiqizo wesitashi oshintshiwe otholwe ngokushintsha ukwakheka kwawo kwamangqamuzana ngenqubo yamakhemikhali. Ukuqonda i-chemistry ye-starch ethers kubalulekile ekuqondeni ukuziphatha kwabo ekubunjweni kokunamathela. Lesi sigaba sihlola izici zamakhemikhali ezibalulekile zama-starch ethers, okuhlanganisa ukwakheka kwawo kwamangqamuzana, izingxenye ezihlukile, kanye nomthelela walezi zinguquko ezimpahleni zokunamathela.
3. Inqubo yokukhiqiza isitashi ether:
Ukukhiqizwa kwe-starch ethers kuhilela izinqubo ezihlukahlukene zamakhemikhali, njenge-etherification kanye nokuxhumanisa okuphambene, okubalulekile ekuhlanganiseni izakhiwo zabo ukuze zihlangabezane nezidingo ezithile zokunamathela. Lesi sigaba sihlinzeka ngokuhlaziywa okujulile kwezinqubo zokukhiqiza ezihilelekile ekukhiqizeni ama-starch ethers nokuthi ukuhlukahluka kwalezi zinqubo kuthinta kanjani ukusebenza kwazo kuma-binder e-gypsum.
4. Iqhaza le-starch ether ekunamathiseleni kwe-gypsum:
Ama-estarch ether asebenza imisebenzi eminingi kuma-adhesive e-gypsum, esiza ukuthuthukisa ukunamathela, ukuhlangana kanye nokusebenza komkhiqizo kukonke. Lesi sigaba sihlola ukuthi i-starch ethers isebenzisana kanjani nezinye izithako ekwakhiweni kokunamathela kwe-gypsum, kugcizelela indima yazo ekuthuthukiseni amandla ebhondi, ukumelana namanzi, nokunciphisa ukushwabana kokunamathelayo.
5. Izinzuzo zokusebenzisa ama-starch ethers kuma-adhesive e-gypsum:
Ukwengezwa kwe-starch ethers kuma-binders e-gypsum kunikeza izinzuzo eziningi, okwenza kube yisinqumo sokuqala embonini yokwakha. Lesi sigaba sichaza izinzuzo ezithile ezihlanganisa ukuguquguquka okunamathelayo okuthuthukisiwe, ukumelana nomswakama okuthuthukisiwe nokusebenza okuthuthukisiwe ukuze kunikeze ukuqonda okuphelele komthelela omuhle ekwakhiweni kokunamathela kwe-gypsum.
6. Izinselele kanye nemikhawulo:
Nakuba ama-ether esitashi enikeza izinzuzo eziningi, izinselele ezingaba khona kanye nemikhawulo ehambisana nokusetshenziswa kwawo kuma-binders okhonkolo kufanele kuvunywe. Lesi sigaba sidingida izindaba ezinjengokucatshangelwa kwezindleko, ukuhambisana nezinye izithasiselo, kanye nesidingo sokwakheka okuphelele ukuze kunqotshwe ukonakala okungaba khona.
7. Izibonelo kanye nezicelo:
Lesi sigaba sigxile ekusetshenzisweni okungokoqobo, kwethula izibonelo zezifundo ezibonisa ukusetshenziswa ngempumelelo kwama-starch ethers ekwakhekeni kwe-gypsum binder. Lezi zibonelo ziyizibonelo ezingokoqobo zokuthi ama-starch ether angenziwa kanjani ngendlela oyifisayo ukuze ahlangabezane nezidingo ezithile zephrojekthi, kuphinde kugcizelele ukuguquguquka kwawo ezimeni ezahlukene zokwakha.
8. Amathrendi wesikhathi esizayo nezikhombisi-ndlela zocwaningo:
Njengoba imboni yezokwakha ithuthuka, siyanda nesidingo sokuthuthukiswa kobuchwepheshe bokunamathela. Lesi sigaba sihlola amathrendi angaba khona esikhathini esizayo ekusetshenzisweni kwe-starch ether kuma-binder e-gypsum futhi siphakamisa izindlela zocwaningo nokuthuthukiswa okuqhubekayo. Ubuchwepheshe obusafufusa, izinqubo ezizinzile kanye nokwakheka okusha kubonakala njengezindawo ezingase zihlolwe.
9. Isiphetho:
Sengiphetha, ukwengezwa kwama-estarch ethers kuma-adhesive e-gypsum kumelela intuthuko enkulu kubuchwepheshe bokunamathela embonini yezokwakha. Izakhiwo zayo ezinemisebenzi eminingi, ehambisana nekhono layo lokuthuthukisa izici ezibalulekile zokusebenza kwe-adhesive, ziyenza ibe yingxenye ebalulekile ekwakhiweni kwe-plaster adhesive. Ngokuqonda amakhemikhali, izinqubo zokukhiqiza, izinzuzo, kanye nezinselele ezihambisana ne-starch ethers, imboni yezokwakha ingaqhubeka nokusebenzisa lesi sitashi esiguquliwe ukuze kutholakale izixazululo zokunamathela ezithuthukisiwe nezisimeme.
Isikhathi sokuthumela: Dec-04-2023