PVC ke eng?Lesale la polyvinyl Chloride Pall 50

Polyvinyl chloride, e khutsufalitsoeng e le PVC ka Senyesemane, ke polymer e entsoeng ka vinyl chloride monomer (VCM) ka pel'a peroxide, motsoako oa azo le li-initiator tse ling kapa tlas'a ketso ea khanya le mocheso ho latela mochine oa mahala oa polymerization oa mahala.Vinyl chloride homopolymer le vinyl chloride copolymer ka kakaretso li bitsoa vinyl chloride resin.

 PVC ke eng?Lesale la polyvinyl Chloride Pall 50

PVC ke phofo e tšoeu e nang le sebopeho sa amorphous, 'me tekanyo ea eona ea lekala e nyenyane.Mocheso oa eona oa phetoho ea khalase ke 77 ~ 90 ℃, 'me e qala ho bola hoo e ka bang 170 ℃ [1].E na le botsitso bo fokolang ho khanya le mocheso.Ha e le ka holimo ho 100 ℃ kapa e pepesehetse khanya ea letsatsi ka nako e telele, e tla bola ho hlahisa hydrogen chloride, e tla tsoela pele ho senya, ho baka ho senyeha ha mebala, 'me thepa ea eona ea' mele le ea mechine e tla fokotseha ka potlako.Lits'ebetsong tse sebetsang, li-stabilizers li tlameha ho kenngoa ho ntlafatsa botsitso ba mocheso le khanya.

PVC ke eng?Lesale la polyvinyl Chloride Pall 50

Mokhoa oa ho fetola PVC

PVC resin ke polar amorphous polymer e nang le boima ba 1.38 g/cm3 le mocheso oa khalase oa 87 ℃.Ka hona, e na le botsitso bo futsanehileng ba mocheso 'me ha ho bonolo ho sebetsa.E ke ke ea sebelisoa ka ho toba.E ka sebelisoa feela ka mor'a ho fetoloa le ho kopanya, le ho eketsa li-additives le li-filler tse loketseng.Thepa le litlhoko tsa lisebelisoa tsa PVC tse lokiselitsoeng li fapane ka lebaka la mefuta e fapaneng le likahare tsa li-additives le li-fillers.Hangata re e bitsa foromo ea PVC.Ha e le hantle, ke mokhoa o fetotsoeng oa PVC, 'me PVC e ka sebelisoa feela ka mor'a ho fetoloa.Sehlopha sena hangata se hlalosoa e le lisebelisoa tse fetotsoeng tsa polymer.Phetoho ea thepa ea polymer e shebana haholo le ts'ebetso e phahameng ea polasetiki e akaretsang, phetoho ho tloha ho lisebelisoa tsa karolo e le 'ngoe ho ea ho li-composite tse nang le likarolo tse ngata (li-alloys, blends, composite), ts'ebetso ea lisebelisoa, le ntlafatso ea thepa le litheko.Mekhoa e meholo ea phetoho ke phetoho ea lik'hemik'hale,(PVC ke eng?Lesale la polyvinyl Chloride Pall 50)ho tlatsa phetoho, ntlafatso ea matlafatso, phetoho ea ho kopanya le phetoho ea nano composite.Molao-motheo oa phetoho ke ho fana ka lisebelisoa ka mesebetsi kapa ho ntlafatsa thepa e itseng ka li-additives.Ka hona, boemo ba theknoloji ea tlhahiso ea PVC bo etsa qeto ea boemo ba theknoloji le bokhoni ba tlhahiso ea fektheri.

PVC hangata e hloka ho lokisoa le ho etsoa granulated pele.Ka mor'a hore likaroloana li lokisoe ke screw extruder, polasetiki e phethehile haholoanyane 'me ho sebetsa ho bonolo, haholo-holo bakeng sa lihlahisoa tse nang le theknoloji ea ho bopa ente.Screw extruder ke e 'ngoe ea lisebelisoa tsa bohlokoa ka ho fetisisa bakeng sa ho sebetsa ka polasetiki.E tsamaisa thepa e tiileng, e kopanyang, ea ho qhibiliha, ho kuta, ho kopanya le ho bopa ka extrusion ea polasetiki ka phetisetso ea matla a kantle le phetisetso ea mocheso oa kantle.Screw extruder e bapala karolo ea bohlokoa mochining oa polasetiki le oa granulating le mochini oa ho bopa le oa ho lokisa.Ha e le hantle, lihlahisoa tsa PVC tse nang le litlhoko tse khethehileng le foromo ea phetoho ea PVC li hlophisitsoe ho latela litlhoko tsa bareki.Ho boetse ho na le copolymerization le derivation ts'ebetsong ea tlhahiso ea PVC.Mefuta e joalo e fetotsoeng e kenyelletsa vinyl chloride copolymer, motsoako oa PVC le chlorinated polyvinyl chloride. PVC ke eng?Lesale la polyvinyl Chloride Pall 50

Lesale la PVC Pall


Nako ea poso: Dec-09-2022