Abubuwan haɗin PVC sun dogara ne akan haɗin PVC polymer RESIN da ƙari waɗanda ke ba da tsarin da ake buƙata don amfani na ƙarshe (Pipes ko Profiles Rigid ko Bayanan Bayanan Bayani mai Sauƙi ko Sheets). An kafa fili ta hanyar haɗa abubuwan da aka haɗa tare, wanda daga baya ya canza zuwa labarin "gelled" a ƙarƙashin rinjayar zafi da ƙarfi. Dangane da nau'in PVC da ƙari, fili kafin gelation zai iya zama foda mai kyauta (wanda aka sani da busassun bushe) ko ruwa a cikin nau'i na manna ko bayani.
Abubuwan haɗin PVC lokacin da aka ƙirƙira su, ta amfani da filastik, cikin kayan sassauƙa, galibi ana kiran su PVC-P.
Abubuwan haɗin PVC lokacin da aka ƙirƙira ba tare da filastik don aikace-aikace masu tsauri ba an tsara su PVC-U.
Za'a iya haɗa haɗin haɗin PVC kamar haka:
Matsakaicin busasshen busasshen busassun busassun PVC (wanda ake kira Resin), wanda kuma ya ƙunshi wasu kayan kamar su stabilizers, additives, fillers, ƙarfafawa, da masu riƙe harshen wuta, dole ne a haɗe su sosai a cikin injin haɗaɗɗun. Haɗin tarwatsawa da rarrabawa yana da mahimmanci, kuma duk yana dacewa da ƙayyadaddun iyakokin zafin jiki.
Dangane da tsari, an saka resin PVC, filastik, Filler, stabilizer da sauran kayan taimako a cikin haɗewar mahaɗa mai zafi. Bayan mintuna 6-10 sai a sauke a cikin mahaɗin sanyi (minti 6-10) don yin premixing. Filin PVC dole ne yayi amfani da mahaɗin sanyi don hana abu ya tsaya tare bayan mahaɗin zafi.
Abubuwan da aka cakuda bayan yin filastik, haɗawa da tarwatsawa daidai a kusa da 155 ° C-165 ° C ana ciyar da su zuwa cakuda Cold. Abubuwan da ke narkewar PVC kuma ana yin pelletized. Bayan pelletizing, za a iya sauke zafin jiki na granules zuwa 35 ° C-40 ° C. Sannan bayan sieve mai sanyayawar iska, zafin barbashi ya faɗi ƙasa da zafin ɗaki don aika zuwa silo na ƙarshe don marufi.
Lokacin aikawa: Nuwamba-11-2022