Namhlanje siza kugxila kwindlela yokongeza iintlobo ezithile ze-thi chu.
Iindidi zezinto ezisetyenziswayo ezisetyenziswayo ikakhulu zisetyenziswa kakhulu, i-seluplose, acrylic, kunye ne-polyurethane.
Inorganic
Izixhobo ze-inorganic ikakhulu zise-Bentotite, i-fumed sicon, njl njl.
Kukho icandelo elincinci eliza kusasazeka kwangaphambili kwaye lilungiselelwe kwijeli ukuze isetyenziswe.
Banokongezwa kwipeyinti ngokugaya ukwenza inani elithile lejeli. Kukwakhona okunye okulula ukusasaza kwaye kungenziwa kwi-gel ngesantya esiphezulu. Ngexesha lenkqubo yokulungiselela, ukusetyenziswa kwamanzi ashushu kunokukhuthaza le nkqubo.
Isellulose
Eyona mveliso isetyenziswayo isetyenziswayoI-HYDROXYTYL ILANDILONE (Hec). Ukuhamba okungekho mgangathweni kunye nokulinganisa, ukungavisisani kwamanzi awonelisekanga, ukubumba kwamanzi kunye nezinye iipropathi, kunqabile ukuba zisetyenziswe kwiipeyinti zomsebenzi.
Xa isetyenziswa, inokongezwa ngokuthe ngqo okanye ichithwe emanzini kwangaphambili.
Ngaphambi kokuba wongeze, ingqalelo kufuneka ihlawulwe ukuhlengahlengisa i-Ph yenkqubo ukuya kwiimeko ze-alkaline, ezilungele ukukhula kwalo ngokukhawuleza.
Acrylic
Iziqwengana ze-acrylic zinezicelo ezithile kwiipeyinti zomsebenzi. Isetyenziswa ikakhulu kwiingubo eziqhelekileyo eziqhelekileyo ezinjengezinto ezingatshatanga kunye nenqanaba eliphezulu le-pigment-to-asnes, ezinjengemidlalo yentsimbi kunye ne-primerivement.
Kwi-Topcoat (ngakumbi i-puccoat ecacileyo), icandelo elinamabini, ukubhaka i-varnish, ipeyinti engaphezulu kunye nezinye iinkqubo, inesiphene kwaye ayinakho ukuba nobuchule ngokupheleleyo.
Umgaqo-siseko wokuthambisa we-acrylic tickener yi: Iqela lebhokisi ye-calboxyl kwi-polymer chain iguqulwe ibe yi-ionxylated ye-ionbex ephantsi kweemeko ze-Alkali ine-Alkaline.
Ke ngoko, i-PH yenkqubo kufuneka ilungiswe kwi-Alkaline ngaphambi kokusetyenziswa, kwaye i-PH kufuneka igcinwe kwi-7 ngexesha lokugcina.
Inokongezwa ngokuthe ngqo okanye ichithwe ngamanzi.
Ingachithwa kwangaphambili ukuba isetyenziswe kwezinye iinkqubo ezifuna uzinzo luphezulu. I-: Okokuqala ithe chonga i-acrylic rickener ngamanzi, kwaye yongeza umgwebi we-PH ngelixa ushukumisa. Ngeli xesha, isicombululo siqaqanjeni ngokucacileyo, ukusuka kwi-mildy emhlophe ukuya kwi-paste engaqondakaliyo, kwaye inokushiywe ukuba isetyenziselwe kamva.
Ukusebenzisa le ndlela yokuncama kwempumelelo kokuthamba, kodwa inokuyindisa ngokupheleleyo i-thi cokeener ekuqaleni, elungele ukuzimela komfanekiso we-viscofity emva kokuba kwenziwe ipeyinti emva kokuba ipeyinti yenziwa.
Kwinkqubo yokwenziwa kunye nemveliso ye-H1260 ye-HATION ye-HATERN-PATE-PATER PATER PEPER, i-thi cmcker isetyenziswa ngale ndlela.
I-polyurethane
Iziqwengana zePolyurethane zisetyenziswa ngokubanzi kwimveliso yemizi-mveliso ngentsebenzo efanelekileyo kwaye zilungele ukusetyenziswa kwiinkqubo ezahlukeneyo.
Esi sicelo, akukho mfuneko kwi-PH yenkqubo, inokongezwa ngokuthe ngqo okanye emva kodumo, nokuba ngamanzi okanye isoyile. Ezinye iziqwengana zinee-hydrophility ezihlwempuzekileyo kwaye azinakuchithwa ngamanzi, kodwa zinokuchithwa kuphela zizicolo.
Inkqubo ye-emulsion
Iinkqubo ze-emulsion (kubandakanya ukuvela kwe-Acrheli kunye ne-HydroxyPropy Emulssions) ayinazicoci kwaye ilula kakhulu ukuba ikhule. Kungcono ukuba bongeze emva kokutshintshwa. Xa kuthe kwathatyathwa isinyithi sokuthambisa kwempumelelo kwe-thi chickere, kuphume umlinganiselo othile.
Ukuba ukusebenza ngokukuko kuphantsi, umyinge we-dilution kufuneka ubekeke okanye ungabi nakupheliswa; Ukuba ukusebenza ngokukuko kuphezulu, umyinge we-dilution kufuneka ube ngaphezulu.
Umzekelo, i-sv-1540 esekwe emanzini ePolycierthane I-Thickener inomgangatho ophezulu wokutya. Xa isetyenziswa kwinkqubo ye-emulsion, ihlala ihluthwe amaxesha ali-10 okanye amaxesha angama-20 (i-10% okanye i-5%) yokusetyenziswa.
I-HydroxyPOpyl Ukusasazwa
I-Hydroxypropyl i-resiprion i-resin iqulethe inani elithile le-solvent, kwaye akukho lula ukuba ikhule ngexesha lenkqubo yokupeyinta. Ke ngoko, iPolyurethane yongezwa ngokubanzi kumlinganiso ophantsi we-dilution okanye ongezelelweyo ngaphandle kotshintsho kolu hlobo lwenkqubo.
Kufanelekile ukuba uqaphele ukuba ngenxa yempembelelo yexabiso lexabiso lezinyibilikisi, iziphumo zobumkhulu ze-polyrethane ezininzi zePolyurethane kolu hlobo lwenkqubo azicacanga ngendlela ekujoliswe kuyo. Apha, ndingathanda ukucebisa i-SV-1140 ye-Polyurthane esekwe emanzini e-Polyurthane, enomsebenzi ophezulu kakhulu kwaye isebenza kakuhle kwiinkqubo ezinesiseko sezinzi.
Ixesha leposi: Apri-25 ukuya ku-2424