Menene manne na Polyvinyl chloride (PVC)?

Manna na Polyvinyl chloride (PVC), kamar yadda sunan ya nuna, shine cewa wannan resin galibi ana amfani da shi ne a cikin nau'in manna. Mutane galibi suna amfani da wannan nau'in manna a matsayin plastisol, wanda shine nau'in ruwa na musamman na filastik PVC a cikin yanayinsa wanda ba a sarrafa shi ba. Sau da yawa ana shirya resin manna ta hanyar emulsion da hanyoyin micro-suspension.

Resin manna na Polyvinyl chloride yana da ƙaramin girman barbashi, kuma yanayinsa kamar talc ne, tare da rashin motsi. Ana haɗa resin manna na polyvinyl chloride da Plasticizer sannan a motsa shi don samar da tsayayyen dakatarwa, wanda daga nan ake yin manna na PVC, ko PVC plastisol, PVC sol, kuma a cikin wannan tsari ne ake amfani da mutane don sarrafa samfuran ƙarshe. A cikin aikin yin manna, ana ƙara abubuwa daban-daban, abubuwan narkewa, masu daidaita zafi, abubuwan kumfa da masu daidaita haske gwargwadon buƙatun samfura daban-daban.

Ci gaban masana'antar resin manna na PVC yana samar da sabon nau'in kayan ruwa wanda ya zama samfurin polyvinyl chloride kawai ta hanyar dumama. Wannan nau'in kayan ruwa yana da sauƙin daidaitawa, yana da ƙarfi a cikin aiki, mai sauƙin sarrafawa, mai sauƙin amfani, yana da kyau a cikin aikin samfura, yana da ƙarfin injiniya, yana da sauƙin launi, da sauransu, don haka ana amfani da shi sosai a cikin fata ta wucin gadi, kayan wasan vinyl, alamun kasuwanci masu laushi, Samar da bangon waya, fenti da rufi, robobi masu kumfa, da sauransu.

Kadara:

Resin man PVC (PVC) babban rukuni ne na resin polyvinyl chloride. Idan aka kwatanta da resin dakatarwa, foda ne mai warwatsewa sosai. Girman barbashi gabaɗaya shine 0.1 ~ 2.0μm (rarraba girman barbashi na resin dakatarwa gabaɗaya shine 20 ~ 200μm.). An yi bincike kan resin man PVC a masana'antar IG Farben da ke Jamus a shekarar 1931, kuma an samar da masana'antu a shekarar 1937.

A cikin rabin ƙarni da ya gabata, masana'antar man shafawa ta Pvc ta duniya ta bunƙasa cikin sauri. Musamman a cikin shekaru goma da suka gabata, ƙarfin samarwa da fitarwa sun nuna ci gaba mai girma, musamman a Asiya. A cikin 2008, jimillar ƙarfin samarwa na man shafawa na PVC ta duniya ya kai kimanin tan miliyan 3.742 a kowace shekara, kuma jimillar ƙarfin samarwa a Asiya ya kai kimanin tan 918,000, wanda ya kai kashi 24.5% na jimillar ƙarfin samarwa. China ita ce yanki mafi saurin girma a masana'antar man shafawa ta PVC ta manne, inda ƙarfin samarwa ya kai kimanin kashi 13.4% na jimillar ƙarfin samarwa a duniya da kuma kusan kashi 57.6% na jimillar ƙarfin samarwa a Asiya. Ita ce mafi girman mai samarwa a Asiya. A shekarar 2008, yawan man shafawa na PVC ta manne a duniya ya kai kimanin tan miliyan 3.09, kuma yawan man shafawa na China ya kai tan 380,000, wanda ya kai kimanin kashi 12.3% na jimillar fitarwa a duniya. Ƙarfin samarwa da fitarwa sun kasance na uku a duniya.