Polyvinyl chloride (PVC) ke polymer e entsoeng ke polymerization ea vinyl chloride monomer (VCM) ka pel'a li-initiators tse kang peroxides le metsoako ea azo kapa ka mochine oa polymerization ea mahala tlas'a ketso ea leseli kapa mocheso.PVC ke thepa ea polymer e sebelisang athomo ea chlorine ho nkela athomo ea haedrojene sebakeng sa polyethylene, 'me vinyl chloride homopolymers le vinyl chloride copolymers ka kakaretso li bitsoa vinyl chloride resin.
Liketane tsa limolek'hule tsa PVC li na le liathomo tse matla tsa polar chlorine tse nang le matla a phahameng a li-intermolecular, tse etsang hore lihlahisoa tsa PVC li be thata, li thata, 'me li utloahale ka mochine, 'me li na le ho lieha ho hoholo ha lelakabe (ho fokotsa lelakabe ho bolela thepa eo ntho e nang le eona kapa eo thepa e nang le eona ka mor'a ho phekoloa. ho lieha haholo ho ata ha lelakabe);leha ho le joalo, litekanyetso tsa eona tsa dielectric constant le dielectric loss angle tangent li kholo ho feta tsa PE.
Resin ea PVC e na le palo e nyane ea li-bond tse peli, liketane tse nang le makala le mesaletsa ea li-initiator tse setseng karabelong ea polymerization, hammoho le liathomo tsa chlorine le hydrogen lipakeng tsa liathomo tse peli tse haufi tsa khabone, tse tlosoang habonolo, e leng se bakang karabelo ea ho senyeha ha PVC habonolo tlasa ketso. ya kganya le mocheso.Ka hona, lihlahisoa tsa PVC li hloka ho eketsa li-stabilizer tsa mocheso, tse kang khalsiamo-zinki mocheso stabilizer, barium-zinki mocheso stabilizer, lead letsoai mocheso stabilizer, organic tin stabilizer, joalo-joalo.
Lisebelisoa tse ka sehloohong
PVC e tla ka mefuta e fapaneng 'me e ka sebetsoa ka mekhoa e fapaneng, ho kenyelletsa ho hatella, ho ntša, ho enta le ho roala.Li-plastiki tsa PVC li atisa ho sebelisoa ha ho etsoa lifilimi, letlalo la maiketsetso, ho koala lithapo le likhoele, lihlahisoa tse thata, fatše, thepa ea ka tlung, thepa ea lipapali, joalo-joalo.
Lihlahisoa tsa PVC hangata li arotsoe ka mekhahlelo e 3: e thata, e thata-thata le e bonolo.Lihlahisoa tse thata le tse thata li sebetsoa ntle le kapa ka polasetiki e nyane, ha lihlahisoa tse bonolo li sebetsoa ka polasetiki e ngata.Ka mor'a ho eketsa li-plasticizers, mocheso oa phetoho oa khalase o ka theoleloa, e leng se etsang hore ho be bonolo ho sebetsa ka mocheso o tlaase le ho eketsa ho feto-fetoha ha maemo le polasetiki ea ketane ea molek'hule, 'me e etsa hore ho khonehe ho etsa lihlahisoa tse bonolo tse fetohang mocheso oa kamore.
1. Litlaleho tsa PVC
Haholo-holo e sebelisetsoa ho etsa mamati le lifensetere le lisebelisoa tse bolokang matla.
2. Liphaephe tsa PVC
Liphaephe tsa PVC li na le mefuta e mengata, ts'ebetso e ntle haholo le mefuta e mengata ea ts'ebeliso, 'me li nka maemo a bohlokoa' marakeng.
3. Lifilimi tsa PVC
PVC e ka etsoa filimi e bonaletsang kapa e mebala ea botenya bo boletsoeng ho sebelisoa almanaka, 'me filimi e hlahisoang ke mokhoa ona e bitsoa filimi ea calendered.Lisebelisoa tse tala tsa PVC le tsona li ka fepeloa ka har'a filimi ho sebelisoa mochini oa ho bopa, 'me filimi e hlahisoang ke mokhoa ona e bitsoa blow molding film.Filimi e ka sebelisoa bakeng sa merero e mengata 'me e ka sebelisoa ka mekotla, li-raincoats, masela a tafole, likharetene, lipapali tsa inflatable, joalo-joalo ka mekhoa ea ho khaola le ho koala mocheso.Lifilimi tse ngata tse pepeneneng li ka sebelisoa ho aha li-greenhouses le li-greenhouses tsa polasetiki, kapa tsa sebelisoa e le lifilimi tsa fatše.
4. Boto ea PVC
E kenyellelitsoe ka stabilizer, lubricant le filler, 'me ka mor'a ho kopanya, PVC e ka fetisetsoa ka har'a liphaephe tse sa tšoaneng tse thata, liphaephe tse bōpehileng joaloka liphaephe tse nang le extruder,' me li sebelisoa e le pompong, phala ea metsi a nooang, casing ea terata ea motlakase kapa litepisi tsa litepisi.Lipampitšana tsa calender li pota-potiloe 'me li chesa ho hatelloa ho etsa maqephe a thata a mefuta e sa tšoaneng.Lipampiri li ka khaoloa ka libopeho tse lakatsehang ebe li chesetsoa ka moea o chesang ho sebelisoa lithupa tsa PVC ho likatanka tse fapaneng tsa polokelo tse thibelang lik'hemik'hale, likotopo le lijana, joalo-joalo.
5. Lihlahisoa tse bonolo tsa PVC
Ho sebelisa extruder, e ka fetisetsoa ka har'a li-hoses, likhoele, lithapo, joalo-joalo;o sebelisa mochini oa ho bopa ente o nang le hlobo e fapaneng, o ka etsoa meqathatso ea polasetiki, lieta tsa lieta, li-slippers, lintho tsa ho bapala, likarolo tsa likoloi, joalo-joalo.
6. Lisebelisoa tsa ho paka tsa PVC
Lihlahisoa tsa PVC bakeng sa ho paka haholo-holo bakeng sa mefuta e fapaneng ea lijana, filimi le lakane e thata.Lijana tsa PVC li hlahisoa haholo-holo bakeng sa metsi a liminerale, lino, libotlolo tsa litlolo, empa hape le bakeng sa ho paka oli e hloekisitsoeng.
7. PVC siding le fatše
PVC siding e sebelisoa haholo ho nkela sebaka sa aluminium siding, lithaele tsa fatše tsa PVC, ntle le karolo ea resin ea PVC, likarolo tse ling kaofela ke lisebelisoa tse nchafalitsoeng, likhomaretsi, li-filler le likarolo tse ling, tse sebelisoang haholo mokatong oa boema-fofane le libakeng tse ling tse thata. fatshe.
8. Lihlahisoa tsa bareki ba PVC
Lihlahisoa tsa PVC li ka fumanoa hohle bophelong ba rona ba letsatsi le letsatsi.PVC e sebelisetsoa ho etsa matlalo a maiketsetso a fapaneng bakeng sa mekotla ea thōtō, lihlahisoa tsa lipapali tse kang basketballs, libolo tsa bolo le libolo tsa rakbi.E boetse e sebelisetsoa ho etsa junifomo le mabanta a khethehileng a tšireletso.Masela a PVC bakeng sa liaparo ka kakaretso ke masela a monyang (ha ho hlokahale ho roala) joalo ka poncho, borikhoe ba bana, lijaki tsa maiketsetso tsa letlalo le lieta tse fapaneng tsa pula.PVC e boetse e sebelisoa lihlahisoa tse ngata tsa lipapali le tsa boithabiso tse kang lintho tsa ho bapala, lirekoto le thepa ea lipapali.
Nako ea poso: Jul-19-2023