Iipowder zepolymer eziphinda zisetyenziswe (i-RDP) ziindibaniselwano ezintsonkothileyo zeepolymers kunye nezongezo ezisetyenziswa kakhulu kwizixhobo zokwakha, ingakumbi ekuvelisweni kweemortars ezomileyo. Ezi powders zidlala indima ebalulekileyo ekuphuculeni ukusebenza kunye neempawu zezixhobo ezahlukeneyo zokwakha ezifana neethayile zokuncamathelisa, iigrouts, iicompounds ezizilinganisayo kunye neeplasta zesamente.
Izinto eziphambili:
Isiseko sePolymer:
I-ethylene vinyl acetate (EVA): I-EVA copolymer isetyenziswa kakhulu kwi-RDP ngenxa yeempawu zayo ezintle zokwenza ifilimu, ukunamathela, kunye nokuguquguquka. Umxholo we-vinyl acetate kwi-copolymer unokulungiswa ukuze kutshintshwe iimpawu ze-polymer.
I-Vinyl Acetate vs. I-Ethylene Carbonate: Ngokuxhomekeke kwiimfuno ezithile zesicelo, abavelisi banokusebenzisa i-ethylene carbonate endaweni ye-vinyl acetate. I-Ethylene carbonate iphucule ukumelana namanzi kunye nokunamathela kwiimeko ezifumileyo.
Ii-Acrylic: Ii-polymers ze-acrylic, kuquka ii-acrylics okanye ii-copolymers ezicocekileyo, zisetyenziselwa ukumelana kwazo nemozulu ngendlela emangalisayo, ukuqina kwazo, kunye nokuguquguquka kwazo. Ziyaziwa ngokuncamathela kakuhle kwiintlobo ngeentlobo ze-substrates.
I-colloid ekhuselayo:
I-Hydroxypropyl methylcellulose (HPMC): I-HPMC yi-colloid ekhuselayo esetyenziswa kakhulu kwi-RDP. Iphucula ukusasazeka kwakhona kwamasuntswana e-polymer kwaye iphucula iipropati zizonke zomgubo.
I-Polyvinyl alcohol (PVA): I-PVA yenye i-colloid ekhuselayo enceda ekuzinzeni nasekusasazekeni kwamasuntswana e-polymer. Ikwadlala indima ekulawuleni i-viscosity yomgubo.
I-plasticizer:
I-Dibutyl Phthalate (DBP): I-DBP ngumzekelo we-plasticizer edla ngokufakwa kwi-RDP ukuphucula ukuguquguquka kunye nokusebenziseka kwayo. Inceda ekunciphiseni ubushushu bokutshintsha kweglasi ye-polymer, okwenza ibe lula ngakumbi.
isizalisi:
I-Calcium Carbonate: Izithambisi ezifana ne-calcium carbonate zingongezwa ukuze kwandiswe ubukhulu beempuphu kwaye zibonelele ngendlela engabizi kakhulu yokulungisa iimpawu ezifana nokuthungwa, ukuvuleka kunye nokungacaci kakuhle.
Izinto ezizinzisa umzimba kunye nee-antioxidants:
Izinzisi: Ezi zisetyenziselwa ukuthintela ukuwohloka kwepolymer ngexesha lokugcinwa kunye nokucubungula.
Ii-Antioxidants: Ii-Antioxidants zikhusela i-polymer ekuwohlokeni kwe-oxidative, ziqinisekisa ukuba i-RDP ihlala ixesha elide.
Imisebenzi yecandelo ngalinye:
Isiseko sePolymer: Sibonelela ngeempawu zokwenza ifilimu, ukunamathela, ukuguquguquka kunye namandla oomatshini kwimveliso yokugqibela.
I-colloid ekhuselayo: Yomeleza ukusasazeka kwakhona, uzinzo kunye nokusasazeka kwamasuntswana e-polymer.
I-Plasticizer: Iphucula ukuguquguquka kunye nokusebenziseka lula.
Izizalisi: Lungisa iipropati ezifana nokuthungwa, ukuvuleka, kunye nokungacaci kakuhle.
Izinto ezizinzisa izinto kunye nee-antioxidants: Zithintela ukonakala kwe-polymer ngexesha lokugcinwa kunye nokulungiswa.
ukuququmbela:
Umgubo wepolymer ophinda uqhekeke (RDP) sisithako esisetyenziswa ngeendlela ezahlukeneyo nesibalulekileyo kwizixhobo zokwakha zanamhlanje. Ukwakheka kwawo ngamakhemikhali, kuquka iipolymer ezifana ne-EVA okanye ii-acrylic resins, ii-colloids ezikhuselayo, iiplastiki, izizalisi, iziqinisi kunye nee-antioxidants, kwenziwe ngononophelo ukuhlangabezana neemfuno ezithile zesicelo ngasinye. Ukudibana kwezi zinto kunceda ukuphucula ukuphinda kuqhekeke umgubo, amandla okubopha, ukuguquguquka kunye nokusebenza ngokubanzi kwimixube yomxube owomileyo.
Ixesha leposi: Disemba-18-2023