Ama-polymer polymer powders (RDP) ayizingxube eziyinkimbinkimbi zama-polymers kanye nezithasiselo ezisetshenziswa kabanzi kwezinto zokwakha, ikakhulukazi ekukhiqizweni kohlobo lokuxubana okulomile. Lawa mapondo adlala indima ebalulekile ekwenzeni ngcono ukusebenza kanye nezimpawu zezinto ezahlukahlukene zokwakha ezinjengezifiso zethayi, ama-grounds, amakhompiyutha azenzele amandla kanye nama-plasters acebile.
Izakhi ezibalulekile:
Isizinda se-Polymer:
I-Ethylene Vinyl Acetate (EVA): U-Eva Copolymer uvame ukusetshenziswa e-RDP ngenxa yezakhiwo zawo ezinhle kakhulu zefilimu, ukunamathela kanye nokuguquguquka. Okuqukethwe kwe-vinyl acetate ku-copolymer kungashintshwa ukuze kushintshe izakhiwo ze-polymer.
I-Vinyl Acetate vs. Ethylene Carbonate: Kuya ngezidingo ezithile zohlelo lokusebenza, abakhiqizi bangasebenzisa i-ethylene Carbonate esikhundleni se-vinyl acetate. I-ethylene Carbonate ithuthukise ukumelana kwamanzi nokunamathelisa ezimeni ezinomswakama.
I-ACRYLIC: Acrylic Polymers, kufaka phakathi ama-acrylics ahlanzekile noma ama-copolymers, asetshenziselwa ukumelana kwawo kwesimo sezulu, ukuqina kanye nokuguquguquka. Bayaziwa ngokunikeza ukunamathela okuhle kakhulu ezinhlobonhlobo zama-substrate.
I-colloid evikelayo:
I-Hydroxypropyl Methylcellulose (HPMC): I-HPMC iyinhlangano evikela i-colloid evame ukusetshenziswa ku-RDP. Kuthuthukisa ukubekezelela kwezinhlayiya ze-polymer futhi kuthuthukise izakhiwo eziphelele ze-powder.
I-Polyvinyl Alcohol (PVA): I-PVA ingenye evikela i-colloid evikela ukuqina nokusakazeka kwezinhlayiya ze-polymer. Ibuye idlale indima ekulawuleni i-viscosing ye-powder.
I-Plistic:
I-Dibutyl phthalate (DBP): I-DBP iyisibonelo sepulasitiki esivame ukungezwa ku-RDP ukuthuthukisa ukuguquguquka nokusebenza. Kuyasiza ukwehlisa izinga lokushisa le-glass le-polymer, okwenza linwebe kakhulu.
I-Filler:
I-calcium carbonate: ama-filler anjenge-calcium carbonate angangezwa ukuze athuthukise ubuningi be-powders futhi anikeze indlela esebenza ngempumelelo yokulungisa izakhiwo ezifana nokuthungwa, impama kanye ne-opacity.
Abaqinisi nama-antioxidants:
Abazimele: Lezi zisetshenziselwa ukuvikela ukonakaliswa kwe-polymer ngesikhathi sokugcina nokucutshungulwa.
Ama-antioxidants: Ama-antioxidants avikela i-polymer kusuka ekuwohlokeni kwe-oxidative, eqinisekisa isikhathi eside se-RDP.
Imisebenzi yengxenye ngayinye:
I-Polymer Base: ihlinzeka ngezakhiwo ezenziwe ngefilimu, ukunamathela, ukuguquguquka, ukuvumelana nezimo namandla okusebenza kumkhiqizo wokugcina.
I-colloid evikelayo: Thuthukisa ukuqondisa kabusha, ukuqina nokuhlakazeka kwezinhlayiya ze-polymer.
I-Plistic: ithuthukisa ukuguquguquka nokucinga.
I-Filiers: Lungisa izakhiwo ezifana nokuthungwa, izimpama, kanye nokuhlukahluka.
Abaqiniqinise kanye nama-antioxidants: Vimbela ukuwohloka kwe-polymer ngesikhathi sokugcina nokusebenza.
Ekuphetheni:
I-Redispersergeble Powter (RDP) isithako esiguquguqukayo nesibalulekile ezintweni zanamuhla zokwakha. Ukwakheka kwamakhemikhali, kufaka phakathi ama-polymers afana ne-EVA noma ama-acrylic resins, ama-colloids avikelayo, amapulasitiki, ama-fillers, amathegi kanye nama-antioidants, akhiwe ngokucophelela ukuze ahlangabezane nezidingo ezithile zohlelo ngalunye. Inhlanganisela yalezi zingxenye zisiza ukuthuthukisa ukuphinda i-powder, amandla e-bond, ukuguquguquka kwamandla e-bond, ukuguquguquka kanye nokusebenza okuphelele ekwakhekeni kodaka kodaka.
Isikhathi Sokuthumela: Dec-18-2023