Manne PVC wani manne ne wanda aka tsara musamman don haɗa kayan polyvinyl chloride (PVC). Ana amfani dashi sosai don haɗawa da gyara bututun filastik, bayanan martaba, fina-finai, da sauran samfuran. Ka'idar aikinta ta dogara ne akan tasirin haɗin gwiwa na hanyoyi da yawa, gami da shigar sinadarai, rushewar ƙarfi, da warkarwa ta jiki, don tabbatar da haɗin gwiwa mai ƙarfi tsakanin kayan PVC.
Babban abubuwan da ake buƙata na manne PVC yawanci sun haɗa da ƙarfi (kamar acetone ko cyclohexanone), filastik, guduro, da stabilizer. Lokacin da aka yi amfani da manne a saman PVC, mai narkewa yana fara tasiri. Yana sauri ya shiga cikin tsarin microporous na kayan PVC, yana sassaukar da shimfidar wuri kuma yana rage karfin van der Waals tsakanin kwayoyin PVC, yana sa saman ya fi dacewa. Wannan tsari, wanda aka sani da "kumburi" ko "plasticization," wani muhimmin mataki ne na samun haɗin gwiwa mai karfi a mannen PVC.
Bangaren guduro a cikin manne (irin su vinyl chloride{0}} vinyl acetate copolymer ko wasu manyan nau'ikan polymers masu nauyi) sannan ya fara yaduwa a saman saman PVC mai laushi, mai matse jiki tare da sarƙoƙin ƙwayoyin cuta na PVC kuma an haɗa wani ɓangaren sinadari da su. Plasticizers kuma suna haɓaka daidaituwar guduro da PVC, suna barin abin da ake amfani da shi ya fi kyau kutsawa tare da cike ƙananan giɓi tsakanin kayan, inganta ƙarfin haɗin gwiwa.
Yayin da sauran ƙarfi ke ƙafewa, ɓangaren resin da ke cikin manne a hankali yana ƙarfafawa, yana samar da hanyar sadarwa ta polymer mai tauri wacce ta haɗe guda biyu na PVC tare. Wannan tsari na warkewa na iya haɗawa da bushewa ta jiki (ƙasar ƙanƙara) ko halayen sinadarai (kamar giciye{1}} haɗawa), dangane da tsarin manne.
Yana da mahimmanci a lura cewa aikin haɗin gwiwa na manne PVC yana shafar yanayin yanayi, zafi, da tsabtar ƙasa. Kafin amfani, saman PVC yana gogewa ko tsaftace shi don tabbatar da ingantaccen shigar da ƙarfi da haɓaka aikin haɗin gwiwa.
A taƙaice, manne na PVC yana samun ingantacciyar haɗakar kayan PVC ta hanyar matakai da yawa na sassaukar sauran ƙarfi, shigar da guduro, da kuma warkewa, yana mai da shi abu mai mahimmanci a sarrafawa da gyara samfuran filastik.