I-Gypsim yinto eqhelekileyo yokwakha esetyenziselwa ingaphakathi kunye nokuhonjiswa kwangaphandle. Kuyathandwa ngenxa yokuqina kwayo, i-aesthetics, kunye nokuchasana komlilo. Nangona kunjalo, ngaphandle kwezi zibonelelo, udaka lunokukhula ngokutya ngokuhamba kwexesha, elinokulalanise kwaye ichaphazele imbonakalo yayo. Ukuqhekeka kodaka kunokuvela ngenxa yezizathu ezahlukeneyo, kubandakanya izinto zokusingqongileyo, ulwakhiwo olungafanelekanga, kunye nezixhobo ezimbi. Kwiminyaka yakutshanje, i-hydroxypropyl methylcelcelsulose (i-HPMC) ivelisiwe njengesisombululo sokuthintela ukuqhekeka. Eli nqaku libonisa ukubaluleka kwe-HPMC yongezelelo ekuthinteleni i-plack kunye nendlela abasebenza ngayo.
Zithini izinto ze-HPMC kwaye zisebenza njani?
I-HPMC yongezelelo isetyenziswa rhoqo kwishishini lokwakha njengeearhente zokuzithandela kunye neendlela zokuzimela kwizicelo ezininzi, kubandakanya nokuhlaselwa. Ithathwe kwi-seluplose, inyibilikisa emanzini ebandayo kwaye ishushu kwaye ngenxa yoko inokusetyenziswa kwizicelo ezahlukeneyo zokwakha. Xa ixutywe namanzi, i-HPMC ye-HPMC iyenza into efana nejeli enokutongezwa kumxube we-stucco okanye isetyenziswa njengokudibana kodonga oluphakathi. I-HEL-injenge-HPMC ivumela ukuba isasazeke ngokulinganayo, ukuthintela ukukhutshwa okungaphezulu komswakama kunye nokunciphisa umngcipheko wokuqhekeka.
Isibonelelo esibalulekileyo se-HPMC songezelelo kukukwazi ukulawula izinga le-hydms ye-gypsum, ivumela amaxesha afanelekileyo. Ezi kogastini zenza umqobo ocothisa ukukhululwa kwamanzi, ngaloo ndlela kuncitshiswa ithuba lokukoma ngaphambi kwexesha lokumisa kunye nokuqhekeka emva koko. Ukongeza, i-HPMC inokusasaza iibhloko ze-moya kumxube we-gyppum, enceda ekuphuculeni ukusebenza kwayo kwaye kwenza kube lula ukufaka.
Thintela i-placks checks usebenzisa i-HPMC yongezelelo
Ukumisa i-shrinkage
Esona sizathu siphambili sokuqhekeka kwendawo yokuqhekeka komaso esomisa umphezulu weplanethi. Oku kuyenzeka xa i-stucco ime kwaye incipha, idala uxinzelelo olubangela ukuqhekeza. I-HPMC yongeza i-WPMC inokunceda ukunciphisa ukuncitshiswa kwemilinganiselo yokunciphisa amanzi apho amanzi avela khona kumxube weGyppum, okukhokelela ekusasazeni amanzi. Xa umxube weplasta unomxholo wokufuma oguqukayo, iqondo lokumisa liyiyunifomu, ukunciphisa umngcipheko wokuqhekeka kunye ne-shrinkage.
Ukuxuba okungafanelekanga
Kwiimeko ezininzi, udaka oluxubeneyo luza kukhokelela kwiindawo ezibuthathaka ezinokuqhekeka ngokulula. Sebenzisa izongezelelo ze-HPMC kwi-Gypsim Imixube inokunceda ukuphucula iipropathi zokwakha kwaye enze inkqubo yokwakha inyibilikisi. Ezi zongezo zasasaza amanzi ngokulinganayo ngokulula kulo lonke udaka, zivumela amandla angaguqukiyo kunye nokunciphisa umngcipheko wokuqhekeka.
Ukuguquguquka kobushushu
Ukujika kobushushu obugqithisileyo kunokubangela i-stucco yokwandisa kunye nemvumelwano, ukudala uxinzelelo olunokukhokelela kwi-rocks. Ukusetyenziswa kwe-HPMC yongezwa kunciphisa izinga lokuvela kwamanzi, ngaloo ndlela kucothise inkqubo yokunyanga kunye nokunciphisa umngcipheko wokwanda okukhawulezileyo kwenkohliso. Xa i-plastar iyothusa ngokulinganayo, inciphisa amandla endawo ekusetyenzwa kuyo ukuze ichaphazelene, ukudala uxinzelelo olunokukhokelela kwi-rocks.
Ixesha lokunyanga
Mhlawumbi eyona nto ibaluleke kakhulu kwi-Plaster Cracking Alona xesha lonyango. I-HPMC yongezwa kancinci ukukhululwa kwamanzi ukusuka kumxube we-gyppum, ngaloo ndlela wandisa ixesha lokuseta. Amaxesha okuhlala ixesha elide ukuphucula ukungqinelana kwe-stucco kwaye kuncitshiswe imbonakalo yamabala obuthathaka anokuqhekeza. Ukongeza, i-HPMC yongeza i-Odporities inceda ekwenzeni umqobo ngokuchasene neemeko zemozulu ezinqabileyo ezinokubangela ukuba kuqengqele kwiindawo ezivelisiweyo.
ukuququmbela
Ukuqhekeka kwi-stucco yinto eqhelekileyo kwishishini lokwakha kwaye kunokukhokelela kulungiso olubi kakhulu kunye neziphene ezingalunganga. Ngelixa zininzi izinto ezinokubangela ukuba kuqengqele kwi-Plasters, ukusebenzisa izongezelelo ze-HPMC sisisombululo esisebenzayo sokuthintela imifula. Umsebenzi we-HPMC yongezwa kukwenza umqobo okuthintela ukuvela okukhulu komswakama kwaye kunciphisa ukomisa i-shrinkige kunye nokwandiswa kwe-thermal. Ezi zongezo zikwaphucula ukusebenza, kubangela amandla angaguqukiyo kunye nomgangatho ongcono wesamente. Ngokongeza ukongeza i-HPMC kwi-Plaster Ukuxuba, abakhi banokuqinisekisa ukuba umphezulu obonakalayo ngakumbi, obonakalayo.
IXESHA LOKUQALA: UPE-26-2023