Babban ra'ayi na filastik masterbatch
Filastik masterbatchza a iya gani a matsayin polymersmasterbatch.Ana iya yin polymers daga nau'ikan 'mers' daban-daban waɗanda ke tsaye ga raka'o'in sinadarai.Yawancin sassan sinadarai ana samun su ne daga mai ko wasu hydrogencarbons.Hydrocarbons kamar yadda suke bayyana, an yi su da hydrogen da carbon.Don haka, robobi ana yin su ne da (mafi yawa) hydrogen da carbon waɗanda aka haɗa su tare don samar da mers (kamar ethylene ko propylene) sannan waɗannan mers ɗin suna haɗa su don ƙirƙirar sarƙoƙi kuma lokacin da waɗannan sarƙoƙi suka isa su zama 'poly' yawanci idan aƙalla aƙalla. 100 na mers sun haɗa tare, za mu sami kayan filastik / polymeric.
Filastik masterbatchsu ne na gidan thermoplastic sun ƙunshi dogayen kwayoyin sarkar da suka ƙunshi carbon da hydrogen da ake kira polymers.Kalmar ta haɗu da “poly” tana nufin mutane da yawa da “mer” tana nufin raka’o’in maimaicin ƙwayoyin cuta guda ɗaya waɗanda aka ɗaure tare.Abubuwan mer na nau'ikan robobi daban-daban, ƙarfin haɗin ƙwayoyin ƙwayoyin cuta waɗanda ke riƙe mers ɗin juna da tsayin sarƙoƙi na polymer sune farkon abubuwan tantance kayan filastik.Wasu robobi suna musanya fiye da nau'i ɗaya na raka'a mer.
Filastikmasterbatchna dangin thermoset yayin da kama da waɗanda aka bayyana a sama suna da alaƙa daban-daban a tsakanin mers ciki har da hanyoyin haɗin giciye waɗanda ke ba su kaddarorin daban-daban ciki har da yanayin yanayin zafi mai girma da kuma rashin iya narkewa kafin ya lalace yayin da zafin jiki ke ƙaruwa.
Rushe mashin ɗin filastik
Mai yawafilastik masterbatchan fashe a cikin busassun!
Turi crackers a cikin babban.Amma ba na musamman ba.
Akwai duka tarin thermoplastics waɗanda aka samo daga ɗanyen abu da ake kira ethylene.Kuma ana samar da ethylene ta hanyoyi daban-daban, galibi daga kayan abinci na mai ko iskar gas.
Wata shahararriyar hanya ita ce sanya kayan abinci a cikin bututun tururi da sakamakon ethylene, da wasu abubuwa kuma.Ana sanya ethylene polymerized zuwa polyethylene ko polypropylene musamman amma ba na musamman ba.Ana kuma yin PVC, PS, PET, butadiene.
Ga wani yanki daga labarin da ke bayyana hakanfilastik masterbatchyafi:
"Ethylene shine farkon farkon samfuran ƙarshe guda huɗu: polyethylene (nau'i uku: LDPE, LLDPE, da HDPE), ethylene oxide, ethylene dichloride (wanda ke gaba ga vinyl chloride monomer), da ethylbenzene (mafificin zuwa styrene).Ƙananan ƙarami, ƙarin samfurori na musamman sun haɗa da α-olefins na layi, vinyl acetate monomer, da ethanol na roba, da sauransu."
Mai zuwa shine jerin wasu shahararrun ethylenemasterbatchkayayyakin:
| PVA Poly (vinyl acetate), poly (vinyl barasa) | PET Poly (Ethylene terephthalate) |
| PVC poly (vinyl chloride) | PS Polystyrene |
| LLDPE Polyethylene mai ƙarancin ƙima | PEG Poly (Ethylene glycol) |
| LDPE Low-density polyethylene | HDPE High-density polyethylene |
Ya zuwa yanzu babbar hanyar masana'anta zuwa ethylene ita ce tururi mai fashe kayan abinci na gas (ethane, propane, ko butane) ko kayan abinci na ruwa (naphtha ko man gas).A cikin matsanancin zafin jiki wanda daga digiri 850 na ma'aunin celcius ko fiye da haka, an gudanar da waɗancan jeri-nauyen na'urori masu fashewa da ba su da ƙarfi.Ethylene shine samfurin da aka nufa;amma ana samar da wasu mahimman abubuwan toshewar gini, irin su propylene, butadiene, da benzene.
Abubuwan da ake samu na kowane kwalwa galibi aikin kayan abinci ne da ake amfani da su.Cracking ethane yana ba da kusan babu coproducts;amma fashewar naphtha yana ba da adadi mai yawa na propylene, butadiene, da benzene.Kamar yadda ake kallo a duk duniya, ana iya ganin fashewar tururi a matsayin daya daga cikin muhimman albarkatun butadiene, propylene da sauran manyan albarkatun benzene.Hoton da ke gaba yana misalta tsarin tsari na tsari mai tsatsauran ra'ayi na injina mai tururi a hanya mafi sauƙi.
Lokacin aikawa: Afrilu-07-2022