Wadanne asara ne za a samu sakamakon ƙarancin sinadarin polyethylene mai sinadarin chlorine CPE a fannin sarrafa PVC?

Polyethylene mai sinadarin Chlorin (CPE) wani samfurin gyaran chlorine ne na polyethylene mai yawan yawa (HDPE), wanda ake amfani da shi azaman gyaran sarrafawa don PVC. Yawan sinadarin chlorine na CPE yakamata ya kasance tsakanin kashi 35-38%. Saboda kyawun juriyarsa ga yanayi, juriya ga sanyi, juriya ga harshen wuta, juriya ga mai, juriya ga tasiri (CPE elastomer ne), da kuma daidaiton sinadarai.
Polyethylene mai sinadarin Chlorin (CPE) wani abu ne da aka yi amfani da shi wajen gyaran sinadarin chlorine na polyethylene mai yawan yawa (HDPE), wanda ake amfani da shi azaman gyaran sinadarai don PVC. Yawan sinadarin chlorine na CPE ya kamata ya kasance tsakanin kashi 35-38%. Saboda kyawun juriyarsa ga yanayi, juriyar sanyi, juriyar harshen wuta, juriyar mai, juriyar tasiri (CPE elastomer ne), da kuma daidaiton sinadarai, da kuma kyakkyawan jituwarsa da PVC, CPE ta zama abin gyara da aka fi amfani da shi wajen gyaran sinadarai a fannin sarrafa PVC.
1 Tsarin kwayoyin halitta na HDPE
Saboda yanayin tsari daban-daban yayin amsawar polymerization na PE, akwai wasu bambance-bambance a cikin tsarin kwayoyin halitta da halayen polymer HDPE ɗinsa. Halayen CPE bayan chlorine na HDPE tare da halaye daban-daban suma sun bambanta. Dole ne masana'antun CPE su zaɓi resin foda na musamman na HDPE masu dacewa don samar da resin CPE masu cancanta.
2. Yanayin sinadarin chlorine, watau tsarin sinadarin chlorine
CPE, a matsayin mai gyara aikin PVC, yawanci ana samar da shi ta hanyar amsawar chlorine ta amfani da hanyar dakatar da chlorine ta ruwa. Muhimman sharuɗɗan wannan tsari na chlorine sune makamashin haske, yawan mai farawa, matsin lamba na amsawa, zafin amsawa, lokacin amsawa, da yanayin amsawar tsaka tsaki. Ka'idar chlorine ta PE abu ne mai sauƙi, amma tsarin chlorine ya fi rikitarwa.
Saboda ƙarancin jarin da aka zuba a kayan aiki don samar da CPE, ƙananan masana'antun samar da CPE da yawa sun riga sun bazu ko'ina cikin ƙasar Sin. Wannan ba wai kawai yana haifar da gurɓatawa ga muhalli ba, har ma yana ɗaya daga cikin muhimman dalilan da ke haifar da rashin daidaiton ingancin CPE.
A halin yanzu, akwai adadi mai yawa na ƙarancin CPE a kasuwa. Gabaɗaya, akwai nau'ikan CPE marasa inganci guda biyu. Ɗaya yana faruwa ne saboda wasu masana'antun samar da kayayyaki ba su da yanayin fasaha da kuma tsoffin hanyoyin chlorine. Wata hanyar kuma ita ce a haɗa wani adadin calcium carbonate ko foda talc a cikin CPE don shiga gasa mara kyau.