Yonke into omawuyazi malunga nePolyvinyl Chloride (PVC) yePlastiki

I-Polyvinyl Chloride (PVC) yenye yezona zinto ziguquguqukayo kwaye zisetyenziswa ngokubanzi imathiriyeli ye-thermoplastic kwihlabathi jikelele. Iyaziwa ngokuhlala kwayo, ukufikeleleka, kunye nokuchasana nezinto ezisingqongileyo, iPVC isetyenziswa kumashishini ahlukeneyo, ukusuka kulwakhiwo ukuya kukhathalelo lwezempilo. Kweli nqaku, siza kuphonononga ukuba yintoni iPVC, iipropati zayo, ukusetyenziswa kwayo, nokunye okuninzi.

Yintoni iPolyvinyl Chloride (PVC)?

I-Polyvinyl Chloride (i-PVC) i-polymer eyenziwe nge-polymerization ye-vinyl chloride. Yaqala ukwenziwa ngo-1872 kwaye yaqala imveliso yorhwebo ngeminyaka yoo-1920 yiNkampani yeBF Goodrich. I-PVC isetyenziswa kakhulu kushishino lokwakha, kodwa usetyenziso lwayo lukwabonisa iimpawu, ukhathalelo lwempilo, amalaphu, nokunye.

I-PVC ifumaneka kwiifom ezimbini eziphambili:

1. I-PVC eqinile (uPVC)-I-PVC engafakwanga yiplastiki yinto eyomeleleyo, ehlala ixesha elide esetyenziswa kwimibhobho yamanzi, iifreyimu zefestile, kunye nezinye izinto zokwakha.
2. I-PVC eguquguqukayo-Ilungiswe ngeplastiki, iPVC ebhetyebhetye ithambile, iyagobeka, kwaye isetyenziswa ngokubanzi kwiimveliso ezifana nokugquma ucingo lombane, umgangatho, kunye netyhubhu ebhetyebhetye.

Iimpawu zePolyvinyl Chloride (PVC)

Iipropathi zePVC ziyenza ibe yinto ekhethwayo kwizicelo ezininzi:

• UkuxinanaI-PVC ixinene kunezinye iiplastiki ezininzi, inobunzima obuthile obujikeleze i-1.4.
• Ukuqina: I-PVC iyaxhathisa ukuthotywa kwezinto ezisingqongileyo, iikhemikhali, kunye nemitha ye-UV, iyenza ilungele iimveliso ezihlala ixesha elide.
• Amandla: I-PVC eqinile iqhayisa ukomelela okubalaseleyo kunye nokuqina, ngelixa i-PVC eguquguqukayo igcina ukuguquguquka kunye namandla.
• Ukurisayikilisha: I-PVC ihlaziywa ngokulula kwaye ichongiwe ngekhowudi ye-resin "3," ekhuthaza ukuzinza.

Iimpawu eziphambili zePVC

• Ukunyibilika kobushushu: 100 ° C ukuya ku-260 ° C (212 ° F ukuya ku-500 ° F), kuxhomekeke kwizongezo.
• Tensile strength: I-Flexible PVC isuka kwi-6.9 ukuya kwi-25 MPa, ngelixa i-PVC eqinile inamandla ngakumbi kwi-34 ukuya kwi-62 MPa.
• Ukuphambuka kobushushu: I-PVC inokumelana namaqondo okushisa ukuya kwi-92 ° C (198 ° F) ngaphambi kokukhubazeka.
• Ukunyangwa kokuMhlwa: I-PVC ixhathisa kakhulu kwiikhemikhali kunye ne-alkali, iyenza ibe yinto ehlala ihleli kumashishini ahlukeneyo.

Iindidi zePVC: I-Rigid vs. Flexible

I-PVC ifumaneka ngokuyintloko ngeendlela ezimbini:

1. I-PVC eqinile(uPVC): Le fomu inzima kwaye isoloko isetyenziswa kwizicelo zokwakha njengemibhobho yamanzi kunye ne-siding. Ngokuqhelekileyo ibizwa ngokuba yi "vin
2. I-PVC eguquguqukayo: Iphunyezwe ngokudibanisa i-plasticizers, i-PVC eguquguqukayo isetyenziswe kwizicelo apho ukugoba okanye ukuguquguquka kuyadingeka, njengokufakela iintambo zombane, izixhobo zonyango, kunye nomgangatho.

Kutheni iPVC isetyenziswa rhoqo?

Ukuthandwa kwePVC kuvela kuyoixabiso eliphantsi, ukufumaneka, kwayeuluhlu olubanzi lweempawu. I-PVC eqinile ithandwa kakhulu kwizicelo zolwakhiwo ngenxa yokomelela kunye nokuqina kwayo, ngelixa ukuthamba okuguquguqukayo kwePVC kuyenza ilunge kwiimveliso ezifuna ukugoba, njengetyhubhu yezonyango okanye umgangatho.

Yenziwa njani iPVC?

I-PVC idla ngokuveliswa ngenye yeendlela ezintathu zepolymerization:

• Ukumiswa kwepolymerization
• I-Emulsion polymerization
• Ubuninzi bepolymerization

Ezi nkqubo ziquka i-polymerization ye-vinyl chloride monomers ibe yi-polyvinyl chloride eqinile, enokuthi ke iqhutywe kwiimveliso ezahlukeneyo.

I-PVC kuPhuhliso lwePrototype: I-CNC Machining, i-3D Printing, kunye ne-Injection Molding

Ngelixa i-PVC iyimathiriyeli edumileyo kumashishini ahlukeneyo, inika imiceli mngeni ethile xa kufikwa kwiprototyping kunye nemveliso:

• CNC Machining: I-PVC inokusikwa kusetyenziswa oomatshini be-CNC, kodwa i-abrasive kwaye i-corrosion, ngoko ke izixhobo ezikhethekileyo (njengabasiki be-steel-steel) ziyafuneka ukukhusela ukuguga kunye nokukrazula.
• Ushicilelo lwe-3D: I-PVC ayiqhelekanga ukusetyenziswa kushicilelo lwe-3D ngenxa yobume bayo bokugqwala. Ukongeza, ikhupha iigesi ezinetyhefu xa ishushubezwa, nto leyo eyenza ukuba ibe yeyona nto ilungileyo kule njongo.
• Isitofu sokubumba: PVC ingabainaliti ibunjiwe, kodwa le nkqubo idinga ukungena komoya okufanelekileyo kunye nesixhobo sokumelana nomhlwa ngenxa yokukhutshwa kweegesi ezinobungozi njenge-hydrogen chloride (HCl).

Ngaba iPVC inetyhefu?

I-PVC inokukhululaimisi enetyhefuxa utshisiwe okanye ushushu, ngakumbi kwizicwangciso zemizi-mveliso ezifana noshicilelo lwe-3D, i-CNC machining, kunye nokubumba inaliti. Izinto eziphathekayo zinokukhupha iigesi eziyingozi ezifanaiklorobenzenekwayeihydrogen chloride, ezinokubeka iingozi zempilo. Kubalulekile ukusebenzisa umoya ofanelekileyo kunye nezixhobo zokukhusela ngexesha lokulungiswa.

Izinto eziluncedo zePVC

• Isebenza kakuhle emalini: IPVC yenye yeeplastiki ezifikelelekayo ezikhoyo.
• Ukuqina: Ixhathisa impembelelo, iikhemikhali, kunye nokonakaliswa kwendalo.
• Amandla: I-PVC inikezela ngamandla okuqina okuchukumisayo, ngakumbi kwimo eqinile.
• Ukuguquguquka: I-PVC inokubunjwa, inqunyulwe, kwaye yenziwe ibe luluhlu olubanzi lweemveliso, iyenze ilungelelanise izicelo ezahlukeneyo.

Ukungalungi kwePVC

• Ubuzaza bobushushu: I-PVC inozinzo olubi lobushushu, oku kuthetha ukuba inokujika okanye ithobe kumaqondo okushisa aphezulu ngaphandle kokuba i-stabilizers yongezwa ngexesha lokuvelisa.
• Ukukhutshwa kwetyhefu: Xa itshisiwe okanye inyibilika, i-PVC ikhupha imisi eyingozi, efuna ukuphathwa ngononophelo kunye neeprothokholi zokhuseleko.
• Indalo Eyonakalisayo: I-PVC inokugqwala kwizixhobo zetsimbi kunye nezixhobo ukuba aziphathwa kakuhle.

Ukuqukumbela

I-Polyvinyl Chloride (PVC) yimathiriyeli eguquguqukayo emangalisayo ebonelela ngolungelelwaniso olubalaseleyo lokufikeleleka, ukomelela, kunye nokuchasana nezinto ezisingqongileyo. Iifom zayo ezahlukeneyo, eziqinileyo kwaye ziguquguqukayo, zivumela ukuba zisetyenziswe kuwo wonke amashishini amaninzi, ukusuka kulwakhiwo ukuya kukhathalelo lwezempilo. Nangona kunjalo, kubalulekile ukuqonda imingcipheko yempilo enokubakho kunye nemiceli mngeni ekusetyenzweni kwe-PVC, ngakumbi malunga nezinto ezikhutshwayo kunye nendalo eyonakalisayo. Xa iphathwa ngokuchanekileyo, i-PVC yinto exabisekileyo eqhubeka idlala indima ebalulekileyo kwimveliso yanamhlanje kunye nokwakhiwa.