Ukwethulwa Kwezakhiwo Zepulasitiki Ye-PVC kanye Nemibalabala Evamile

Ngokusekelwe ezintweni eziphawulekayo zePVC plastic, manje isisetshenziswa ezindaweni eziningi zokuphila. Futhi lawa mashidi e-PVC, ngokuvamile ayimikhiqizo ecutshungulwayo. Yengeza ama-colorants athile kunqubo yokukhiqiza ukwenza imikhiqizo ibe mihle kakhulu. Kodwa abanye abantu abazi okuningi ngalokhu, namuhla lesi sihloko sizokwethula ngokuningiliziwe.

I-PVC resin iyi-thermoplastic enezakhiwo ezingachazwanga. Iphuzu lokuthambisa le-resin liseduze nezinga lokushisa lokubola. Isiqalile ukubola ku-140 ℃, futhi ngokushesha okukhulu ku-170 ℃. Ngenxa yokuqukethwe kwayo ama-athomu e-chloride, i-molecule ye-polyethylene kanye nama-copolymers ayo ngokuvamile awakwazi ukumelana nelangabi nezinto ezizicishayo nezingaconsi phansi. Kuyi-polymer engazinzile ephinde yonakaliswe ukukhanya nokushisa. Iphinde ibe namandla amahle kakhulu okuzinza kwamakhemikhali, futhi iyigugu kakhulu njengempahla yokunqanda ukubola. I-PVC izinzile kuma-acid amaningi nezisekelo ezingaphili futhi ihlukaniselwe i-hydrogen chloride.Ingancibilika kuma-ketone nezincibilikisi ezinuka kamnandi.

Ama-colorants asetshenziselwa amapulasitiki e-PVC ikakhulukazi ama-pigment e-organic kanye ne-inorganic. Amapulasitiki e-PVC anezidingo eziphakeme zombala, njengokumelana nokushisa okuphezulu ngesikhathi sokucutshungulwa, akukho ukufuduka ekucutshungulweni, ukumelana nokukhanya, njll. Imibala evame ukusetshenziswa yilezi: 1, obomvu ngokuyinhloko yi-azo pigment encibilikayo, i-cadmium ebomvu ye-inorganic pigment, i-iron oxide pigment ebomvu, i-phthalocyanine ebomvu, njll.; 2, ophuzi ngokuyinhloko chromium yellow, cadmium yellow kanye fluorescent yellow; 3, umbala we-orchid ikakhulukazi i-phthalocyanine eluhlaza okwesibhakabhaka; 4, eluhlaza ngokuyinhloko i-phthalocyanine eluhlaza; 5, umhlophe ikakhulukazi usebenzisa i-titanium dioxide; 6, onsomi ikakhulukazi ipulasitiki onsomi; 7, emnyama ikakhulukazi emnyama. Ngaphezu kwalokho, i-agent emhlophe ye-fluorescent isetshenziselwa ukwenza mhlophe; igolide nesiliva powder zisetshenziselwa ukuphrinta imibala; kanye ne-astigmatism yempushana yobuhlalu ipulasitiki efana neparele.

Leso isingeniso esiningiliziwe “sezindawo zepulasitiki ze-PVC nemibala ejwayelekile”. Ukuze uthole ulwazi olwengeziwe, sicela uqhubeke usinaka.