Iingubo ezisekelwe emanzini xa kuthelekiswa neengubo ezisekelwe kwisinyibilikisi

Iingubo zihlala zithatha igama lazo kwi-binder, okanye i-resin, ezenziwe ngayo. Ii-epoxies, ii-alkyds kunye nee-urethanes zonke ziyimizekelo yee-resin ezinika igama lengubo. Kodwa ezi ayizizo zodwa iindawo ezenza ingubo. Ukongeza kwizongezo, ezinokubangela ukuba ingubo ibonakale njengeepropati ezithile zokusebenza, kunye neepigments ezinika umbala, iingubo zikwaqulathe into eyinyibilikisa yonke ibe lulwelo ukuze kube lula ukuyisebenzisa.

Le arhente yokunyibilikisa ulwelo idla ngokuba ngamanzi okanye esinye isinyibilikisi sekhemikhali. Yiyo loo nto amagama athi “esekelwe emanzini” kunye “esekelwe kwisinyibilikisi”. Uhlobo lwemveliso olufanelekileyo kulo msebenzi luya kuxhomekeka kwiimeko. Ngokubanzi, enye ayingcono kunenye, kodwa isebenza ngokwahlukileyo kwiimeko ezahlukeneyo. Okona kulungileyo, zombini ezi ndlela ziya kubakho ecaleni kwizixhobo zeengcali zokugquma.

IIMPAHLA EZISEKELWE EMANZINI

Iipeyinti ezisekelwe emanzini zenza malunga nama-80 ekhulwini eepeyinti zasekhaya ezithengiswayo namhlanje ngokutsho kwePaint Quality Institute, umbutho ocebisa kwaye uvavanya iipeyinti. Akukho mathandabuzo ukuba oku kungenxa yesinye sezona zinto ziphambili ezibangela iimveliso ezisekelwe emanzini, nokuba yipeyinti yangaphakathi yendlu okanye ipeyinti yokukhusela enzima: ivumba elincinci.

Xa usebenza kwiindawo ezivalekileyo okanye ezingenamoya ungako, ukufuma kwezinyibilikisi kunokuba yingozi kubasebenzi okanye kube yingozi kwimpilo yabo. Ngenxa yesi sizathu, iiprojekthi ezininzi ezifana nezo zibandakanya iitanki zokugcina ipetroli kunye neemoto zetanki zikaloliwe zisebenzisa izigqubuthelo ezisekelwe emanzini. Ezi zikwanciphisa ukuxinana kwezinto ezivuthayo eziqokelelana kwindawo evalekileyo. Nangona kunjalo, oko akuthethi ukuba ukusetyenziswa kwezigqubuthelo ezisekelwe emanzini kuyayicima imfuneko yokubaAmanyathelo okhuseleko kwindawo evalekileyo avunyiwe yi-OSHA.

Ukuthobela indalo sesinye isizathu esiqhelekileyo sokukhetha ukusebenzisa i-water-based coating. Ii-solvents ezininzi ziyanyibilika zibe yinto eyaziwa ngokuba yi-volatible organic compounds, okanye ii-VOC. Oorhulumente besizwe, bephondo kunye nabengingqi badla ngokulawula ii-VOC ngokunciphisa inani lamashishini avunyelweyo ukukhupha ngexesha elithile.I-EPA imisela imithetho yesizwekwii-VOC, kodwa amanye amazwe aqinise imiqathango nangakumbi, nto leyo eyenze kwayimfuneko imizamo edibeneyo yokunciphisa ukukhutshwa kwazo komoya.

Nangona kunjalo, iingubo ezisekelwe emanzini azinazo izinyibilikisi ezingenanto. Uninzi lwazo luqulethe izinto ezibizwa ngokuba zii-co-solvents, izinyibilikisi ezikhoyo kwiindawo eziphantsi kwaye zenzelwe ukunceda ukususa amanzi aseleyo kwingubo njengoko yoma. Kodwa ekubeni iingubo ezisekelwe emanzini zingenazo, okanye zincinci kakhulu, ziyindlela entle yokunciphisa imveliso ye-VOC yeshishini. Kwezinye iinkampani, oku kunokuthetha ukuchitha imali encinci kwiingcebiso zokuthobela indalo. Okanye zithintele ekuhlawuleni izohlwayo ezinkulu ngokudlula ii-quota ze-VOC.

IIMPAHLA EZISEKELWE KWISINYIBILI

Iipeyinti ezisekelwe kwisinyibilikisi zenziwe ngezinto ezinyibilikisa ulwelo ezenzelwe ukuba ziphele ngokusabela kweekhemikhali kunye neoksijini. Ngokwesiqhelo, umoya ohambahambayo ojikeleze uqweqwe olusekelwe kwisinyibilikisi uya kunceda ukukhawulezisa ukusabela, unciphise amaxesha okoma.

Ezi ngubo zinento enye eluncedo ngaphezu kwengubo ezisebenzisa amanzi. Azichaphazeleki lula ziimeko zokusingqongileyo ezifana nobushushu kunye nokufuma ngexesha lokulungiswa. Ukufuma kunokuthintela amanzi akwingubo esebenzisa amanzi ukuba angatshi, nto leyo ewenza angasebenzi kwezinye iimeko zemozulu.

Iingubo ezisekelwe emanzini nazo zibangela umngeni kwinqanaba lokulungiselela umphezulu weprojekthi yokugquma. Amanzi, nangona ethatha indawo yezinyibilikisi kwezinye iimeko, akwayinxalenye ebalulekileyo yenkqubo yokugquma, eyona nto iphambili kushishino lwezambatho zoshishino kwasekuqaleni. Ukuba amanzi adibana nesiseko ngaphambi kokuba kufakwe izambatho, ukugqwala kwamabala kusenokuqala ukwenzeka. Ukuqinisekisa ukuba oku akunjalo, iingubo ezisekelwe emanzini kufuneka zenziwe ngendlela yokuba onke amanzi atsalwe ngefilimu yomphezulu ngaphambi kokuba kwenzeke ukugqwala. Oku akuyonto ibalulekileyo kwiingubo ezisekelwe kwisinyibilikisi.

Ngoko ke, ngamafutshane, nangona iingubo ezisekelwe emanzini zinokuba lukhetho olufanelekileyo kwimisebenzi equka iindawo ezixineneyo kunye nokusetyenziswa kwezambatho eziqhubekayo, azinazo iindawo ezibuthathaka. Imisebenzi ekwimeko evulekileyo nefumileyo, efana naleyo ifumaneka rhoqo kwiiprojekthi zokulungisa iziseko, isenokufumana inzuzo kwingubo efanelekileyo. Ukuba ungathanda ukuxoxa ngohlobo lwemveliso olunokuba lulungele iprojekthi yakho, singathanda ukuva kuwe.Nxibelelana ne-mit-ivy industry Coatingsnamhlanje. Okanye, ukuba ufuna ukujonga umgca wethu opheleleyo wemveliso kuqala, khuphela ikhathalogu yethu yemveliso ngezantsi.