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Chlorinated polyvinyl chloride (CPVC) abu ne na polymer da aka samu bayan ƙarin chlorination na PVC.Abubuwan da ke cikin jiki da na sinadarai suna canzawa sosai: tare da karuwar abun ciki na chlorine, rashin daidaituwa na sarkar kwayoyin yana ƙaruwa kuma crystallinity yana raguwa;polarity na sarkar kwayoyin yana ƙaruwa, ƙarfin intermolecular yana ƙaruwa, zafin nakasar thermal yana ƙaruwa sosai, kuma ana haɓaka kayan aikin injiniya.

CPVC ya fi PVC kyau a cikin juriya na yanayi, juriyar tsufa da jinkirin harshen wuta.Alal misali, bayan chlorination, iyakar oxygen index na PVC zai tashi daga 45 ~ 49 zuwa> 70 (dauke da 67% CPVC chlorine), da kuma adadin hayaki da sauran carbon a cikin harshen wuta za a rage muhimmanci.Tsarin Chlorination ya shafi kaddarorin samfuran.Abubuwan chlorine na PVC na iya zama har zuwa 73% bayan chlorination.

Gabaɗaya ta hanyar dakatarwar lokaci na ruwa, bayan haɗuwa da guduro PVC, ta hanyar chlorination, tacewa, wankewa, samar da CPVC na neutralization, tsarin bushewa ya cika, ingancin zaɓin zaɓin kayan foda na PVC yana da mahimmanci, musamman yana shafar kwanciyar hankali na machining, kwanciyar hankali thermal) , zaɓi na PVC guduro albarkatun kasa sako-sako da, fata a matsayin bakin ciki kamar yadda zai yiwu, tsarin da m mataki na mai kyau.Babban abun ciki na chlorine shine 63% ~ 67%.Juriyar yanayin sa, juriyar lalata, juriyar tsufa da konewar wuta ba tare da bata lokaci ba ya fi guduro PVC na yau da kullun.A chlorine abun ciki yana ƙaruwa, don haka vica softening batu zafin jiki ya karu sosai, 35 ℃ mafi girma daga PVC guduro, mafi zafi resistant zafin jiki har zuwa 130 ℃, dace da zafi resistant bututu da kayan aiki da kuma faranti (kamar ruwan zafi bututu, gidajen abinci, zafi resistant). kayan aikin sinadarai da tankin ajiya).

UPVC yana da wuyar PVC.Ana shirya kayan gyare-gyare ta hanyar ƙara wasu adadin abubuwan da aka gyara akan tushen itacen PVC foda."U" ba a yi amfani da shi ba (Unplasticized), don haka babban bambanci tsakanin UPVC da PVC da PVC mai laushi shi ne cewa babu wani filastik da aka kara da shi, karin foda na calcium, babban ƙarfin injiniya na kayan aiki, dace da samar da bawuloli da bututu.

CPVC shine chlorinated polyvinyl chloride.Dangane da resin PVC, CPVC yana ƙara abun ciki na chlorine a cikin kayan PVC ta wani tsari, gabaɗaya daga 63 zuwa 69%, don haɓaka juriya na zafi, acid, alkali, gishiri da lalata kayan abu, da haɓaka thermal. nakasawa zafin jiki da inji Properties na kayan.

CPVC yana ƙara abun ciki na chlorine na guduro PVC ta hanyoyin sinadarai, don haka farashin kayan guduro na CPVC yana da yawa.A mataki na gaba, ana buƙatar yin amfani da wasu kayan da aka gyara zuwa allura ko extrusion, wanda ya haifar da tsadar kayan gyaran CPVC.Farashin siyar da barbashi na CPVC da aka gyara a China gabaɗaya ya wuce 20,000 / ton.

Saboda girman farashin CPVC, ba zai yuwu a yi amfani da wannan kayan kamar UPVC ba.A halin yanzu, ana amfani da CPVC musamman a bututun yaƙin wuta, bututu masu jure lalata sinadarai da bututun ruwan zafi na farar hula.