PVC - kuyini? PVC ukukhiqizwa ubuchwepheshe kanye nezinhlelo zokusebenza

Uma ukhetha ukusebenzisa ukwakhiwa noma ukulungisa PVC, kubalulekile ukwazi ngaphambi kokusebenzisa umkhiqizo wakho. Lokhu kwaziswa kuyinto ukwakheka zokwenziwa Thermoplastic.

izici PVC

Ezimweni ifektri yathela PVC izinhlobo ezimbili, eyokuqala okuyinto plasticized, kanti eyesibili - unplasticized. Kulo mBhalo, i-plasticizer isetshenziswa. Ngaphandle, PVC ine uhlobo powder emhlophe okuyinto ayinaphunga. It has a high futhi amandla izakhiwo dielectricity. Uma unquma ukuthenga PVC, lokho kubalulekile ukufunda. Kuyinto ukumelana alkalis, amafutha amaminerali, acid, nama-zingaxazululeki emanzini. Nyusa nokonakala futhi ketones zokuzikhukhumeza, esters hydrocarbon enamakha kampompi ukuxova umuthi wokugoma. Material lukhuthazelela namachibi futhi cishe akabi. Polyvinyl chloride has a hhayi olubabazeka kakhulu ukushisa ukumelana izici lapho zihlatshwa izinga degrees 100 uqala ukubola. Ukuze kuzuzwe ukushisa ukumelana naso futhi kwenze ngcono ikhwalithi solubility PVC wadalula chlorination.

Ububanzi bokusebenzisa

Namuhla, ngempela wathola PVC okwandile. Kuyini bonke abantu kufanele bazi handyman futhi onguchwepheshe emkhakheni wokwakha. Le nto kusetshenziswa imithi, esikhundleni ingilazi iraba. Ngakho, sakwazi ukuthola yesikhathi esisodwa izinto. Ngenxa kwato zamakhemikhali inertia, PVC iye yatha- okusezingeni eliphezulu endaweni wathi. Imikhiqizo kuwo ahlukahlukene futhi akhiwe kalula, futhi ishibhile kuka ezisetshenziswa ngaphambilini.

PVC isetshenziswa embonini yezokuthutha. Isetshenziselwa ekukhiqizeni umnyango panel, yokubeka, kanye ukudalwa ikhebula ukwahlukanisa. Yingenxa yalesi imoto waqala ifa isikhathi esijana wokuphila, okuyinto luyanda uma ziqhathaniswa izibalo odlule iminyaka eyisithupha. Le ndlela kuzokhulisa ukuphepha kwezokuthutha, njengoba ne PVC kungase kudale airbag kanye panel zokuzivikela, ekwazi ukuvikela abagibeli ngenxa yokulimala uma izingozi.

Ukulungisa kanye nokwakhiwa

Uma ucabangela chloride polyvinyl ukuthi kungenzeka ukufunda kusuka kulesi sihloko. Lokhu kwaziswa isetshenziswa namuhla kukubuka design. kungenzeka okunjalo ubonakele sibonga yokuthi ubuchwepheshe besimanje ikuvumela ukwakha umkhiqizo PVC yanoma iluphi. Ngakho, kungenzeka ukuba adale izakhi ingaphakathi. Ngokuvamile, lokhu polymer ingatholakala isakhiwo. Uveza ukugqoka nemithi, eziqinile, imikhiqizo engasindi ukuthi ngokuphelele ukubhekana ngokuphumelelayo ukugqwala nemiphumela zamakhemikhali. a ithandwa kangaka okusezingeni eliphezulu embonini yezokwakha futhi ngenxa nomlilo ukuphepha, okokusebenza nzima okhela eyeka zivutha lungaqhubeka ngenkathi kususwa umthombo lokushisa. Yingakho mikhiqizo ingasetshenziswa izinto, okuyizinto izimfuneko anda ukuphepha komlilo. PVC impahla libhekene ukuqina, ingxenye engamaphesenti angaphezu kwangu-75 ka-amashubhu okuyinto zenziwa kuwo abonise lo msebenzi obalulekile neminyaka engaphezu kwengu-40.

ubuchwepheshe ukukhiqizwa

Ulungiselela polyvinyl chloride polymerization olukhulu Kwenziwa impahla eluhlaza, okuyinto uba vinyl chloride. Inqubo esetshenziswa kabanzi embonini kwaba inqubo slurry, lokhu kungenxa yokuthi inikeza ukusebenza high. a polymerization enjalo wenziwa ohlelweni gqwa. Vinyl chloride, okuyinto kuqukethwe imali 0.02 - 0.05 kumaphesenti ayi-medium aqueous esetshenziswa njengoba ingxenye main. I feedstock ukulungele uyabaselwa kuya 65 degrees, bese ngaphansi negalelo elifanayo ukuthola umkhiqizo eyohlobo. I polymerization senzeka amaconsi vinyl chloride. Ekugcineni, asikwazanga ukuthola microgranules ukungena nakwamanye amazwe. Ukukhiqizwa kuyazenzakela, kuyilapho polymerization wenziwa sikhungo kabani ivolumu mkhulu kuka-200 cubic metres. Ngemva sekuqedwe idigri polymerization of vinyl chloride, okuyinto bathi bangezwa lokho bahlabelela sikhathi, cishe amaphesenti angu-90. Elements ukuthi ayengasetshenziswa ziyasuswa, kuyilapho PVC is sieved yomiswa nge air hot. Ngemva kwalokho kwenzeka emaphaketheni. PVC, property okuye ezichazwe ngenhla, isinyathelo sokugcina iguqulwe ibe vinyl liner noma kwakwakhe plastic.

Yokugcina imikhiqizo PVC

PVC impahla zingaphendulwa zibe yizindawo yokuhlanganela vinyl liner. He is umkhiqizo kanzima. Elinesimo amandla okusezingeni eliphezulu mechanical, amelana kuhlasela zamakhemikhali amanzi. Phakathi amaphutha bungabonakala amandla abampofu umthelela, abampofu frost ukumelana naso futhi kwenze okuncane yokusebenza embundwini. Ngokuphathelene stiffener, kuba ukudla okuthambile ukuthi abe kuyaqina abalulekile. Babuye libhekene ukumelana amanzi namafutha ukumelana. Ebhekene nomthelela omkhulu kumakhemikhali awuketshezi ahlukahlukene organic.

isiphetho

PVC, amapayipi kuyiphi akhiqizwa namuhla, siwubufakazi yezinto ezivame kakhulu kuhlanganise Plastics. ukukhiqizwa Umhlaba imayelana 17 wamaphesenti okukhipha ingqikithi imikhiqizo yepulasitiki ngalinye, futhi lifaka lwesithathu phakathi polymers. Imikhiqizo ezenziwe PVC, wathola ngokoqobo emikhakheni eminingi yomnotho, umkhakha, ubunjiniyela esindayo, kwezokwelapha nakwezolimo. Namuhla, cishe zonke izindlu ifakwe amawindi plastic, kanye nemikhiqizo esetshenziswa ngesisekelo okokusebenza kuchazwe. Kusakazeke kubonisa kakhulu izici qualitative zendaba engenhla esesikhundleni namandla high, ukumelana umonakalo zangaphandle kanye nemithelela bemvelo ahlukahlukene.