Raw Materials Na Redispersed Latex Foda

Redispersed latex foda (RDP) wani nau'i ne na polymer emulsion foda wanda aka yi amfani da shi sosai a cikin masana'antar gine-gine don aikace-aikace kamar suminti na tile adhesives, matakan haɓaka kai tsaye, da kuma tsarin rufewa na waje da kuma ƙarewa. Ana yin RDPs ta hanyar fesa emulsion polymer, wanda shine cakuda ruwa, monomer ko cakuda monomers, surfactant, da ƙari daban-daban. A cikin wannan labarin, za mu tattauna albarkatun da ake amfani da su don samar da RDPs.

1. Monomers Masu monomers da aka yi amfani da su wajen samar da RDPs na iya bambanta dangane da abubuwan da ake so na samfurin ƙarshe. Monomers da aka fi amfani da su sun haɗa da styrene, butadiene, acrylic acid, methacrylic acid, da abubuwan da suka samo asali. Styrene-butadiene roba (SBR) sanannen zaɓi ne ga RDPs saboda kyakkyawan mannewa, juriya na ruwa, da dorewa.
2. Ana amfani da Surfactants Surfactants a cikin samar da RDPs don daidaita emulsion da hana coagulation ko flocculation. Abubuwan da ake amfani da su na yau da kullun a cikin RDPs sun haɗa da anionic, cationic, da nonionic surfactants. Anionic surfactants sune nau'in da aka fi amfani da su a cikin RDPs, saboda suna ba da kwanciyar hankali mai kyau da kuma dacewa da kayan siminti.
3. Stabilizers Stabilizers Ana amfani da su hana polymer barbashi a cikin emulsion daga coalescing ko tara a lokacin ajiya da kuma sufuri. Masu daidaitawa na yau da kullun da ake amfani da su a cikin RDPs sun haɗa da barasa polyvinyl (PVA), hydroxyethyl cellulose (HEC), da carboxymethyl cellulose (CMC).
4. Ana amfani da masu ƙaddamarwa don ƙaddamar da halayen polymerization tsakanin monomers a cikin emulsion. Masu farawa na yau da kullun da ake amfani da su a cikin RDPs sun haɗa da masu farawa na redox, kamar potassium persulfate da sodium bisulfite, da masu ƙaddamar da thermal, kamar azobisisobutyronitrile.
5. Ana amfani da wakilai masu tsaka-tsaki don daidaita pH na emulsion zuwa matakin da ya dace don polymerization da kwanciyar hankali. Abubuwan da aka saba amfani da su a cikin RDPs sun haɗa da ammonia, sodium hydroxide, da potassium hydroxide.
6. Ana amfani da ma'aikatan haɗin gwiwar Crosslinking don ƙetare sarƙoƙin polymer a cikin emulsion, wanda zai iya inganta kayan aikin injiniya da juriya na ruwa na samfurin ƙarshe. Abubuwan haɗin gwiwar gama gari da ake amfani da su a cikin RDPs sun haɗa da formaldehyde, melamine, da urea.
7. Ana amfani da Filastik na'urorin Filastik don inganta sassauci da aiki na RDPs. Abubuwan da aka saba amfani da su a cikin RDPs sun haɗa da polyethylene glycol (PEG) da glycerol.
8. Ana ƙara Fillers zuwa RDPs don haɓaka kayan aikin injin su da rage farashi. Abubuwan da aka saba amfani da su a cikin RDPs sun haɗa da calcium carbonate, talc, da silica.
9. Pigments Pigments ana ƙara su zuwa RDPs don samar da launi da inganta kayan ado na samfurin ƙarshe. Alamomin gama gari da ake amfani da su a cikin RDPs sun haɗa da titanium dioxide da baƙin ƙarfe oxide.

A ƙarshe, albarkatun da ake amfani da su wajen samar da RDPs na iya bambanta dangane da abubuwan da ake so na samfurin ƙarshe. Monomers, surfactants, stabilizers, initiators, neutralizing agents, crosslinking agents, plasticizers, fillers, da pigments duk ana amfani da su wajen samar da RDPs.