An gina mahaɗan PVC ne bisa ga haɗakar polymer RESIN na PVC da ƙari waɗanda ke ba da tsarin da ake buƙata don amfani a ƙarshen amfani (Bututu ko Rigid Profiles ko Flexible Profiles ko Sheets). Ana samar da mahaɗan ta hanyar haɗa sinadaran tare, wanda daga baya ake mayar da shi cikin kayan "gelled" ƙarƙashin tasirin zafi da ƙarfi. Dangane da nau'in PVC da ƙari, mahaɗan kafin gelation na iya zama foda mai gudana (wanda aka sani da busasshen gauraya) ko ruwa a cikin nau'in manna ko mafita.
Ana amfani da sinadaran PVC wajen yin amfani da robobi, wajen yin abubuwa masu sassauƙa, waɗanda galibi ake kira PVC-P.
Idan aka tsara PVC Compounds ba tare da plasticizer ba don aikace-aikace masu tsauri, ana sanya su a matsayin PVC-U.
Za a iya taƙaita haɗin PVC kamar haka:
Foda mai ƙarfi ta hanyar haɗa busasshiyar PVC (wanda ake kira Resin), wanda kuma ya ƙunshi wasu kayayyaki kamar masu daidaita abubuwa, ƙarin abubuwa, abubuwan cikawa, ƙarfafawa, da masu hana harshen wuta, dole ne a haɗa su sosai a cikin injinan haɗawa. Haɗawar mai watsawa da mai rarrabawa yana da mahimmanci, kuma duk suna bin ƙa'idodin zafin da aka ƙayyade sosai.
Dangane da tsarin, ana saka resin PVC, plasticizer, filler, stabilizer da sauran kayan taimako a cikin hadawa mai zafi. Bayan mintuna 6-10, a saka a cikin mahaɗin sanyi (minti 6-10) don a haɗa. Dole ne mahaɗin PVC ya yi amfani da mahaɗin sanyi don hana kayan mannewa bayan mahaɗin zafi.
Bayan an yi amfani da roba, an haɗa shi, sannan aka watsar da shi daidai gwargwado a kusan 155°C-165°C, sai a zuba ruwan a cikin ruwan da aka yi amfani da shi wajen haɗa ruwan. Sai a yi amfani da sinadarin PVC mai narkewa. Bayan an yi amfani da foda, za a iya rage zafin granules zuwa 35°C-40°C. Bayan an yi amfani da roba mai sanyaya iska, zafin barbashi zai faɗi ƙasa da zafin ɗaki don a aika shi zuwa silo na ƙarshe don marufi.
Lokacin Saƙo: Nuwamba-11-2022