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Ingxoxo ngokusetshenziswa kwe-calcium carbonate njengokugcwalisa ipulasitiki

I-calcium carbonate isetshenziswe njenge-inorganic filler ekugcwaliseni ipulasitiki iminyaka eminingi.Esikhathini esidlule, i-calcium carbonate yayivame ukusetshenziswa njengesigcwalisi ngenjongo eyinhloko yokunciphisa izindleko, futhi yathola imiphumela emihle.Eminyakeni yamuva, ngokusetshenziswa okubanzi ekukhiqizeni kanye nenani elikhulu lemiphumela yocwaningo, ukugcwalisa inani elikhulu le-calcium carbonate nakho akukwazi ukunciphisa kakhulu ukusebenza komkhiqizo, futhi kuthuthukise kakhulu ezinye izici, njengezakhiwo zemishini, izakhiwo ezishisayo. , njll.
Enqubweni yokusetshenziswa kwangempela, i-calcium carbonate ngokuvamile ayifakwa ngokuqondile epulasitiki.Ukuze wenze i-calcium carbonate ihlakazeke ngokulinganayo epulasitikini futhi ibambe iqhaza ekwandiseni ukusebenza kahle, ukwelashwa kokusebenza okungaphezulu kwe-calcium carbonate kufanele kwenziwe kuqala.

Ngokwenqubo yokubumba kanye nezidingo zokusebenza komkhiqizo wokugcina wepulasitiki, i-calcium carbonate enosayizi wezinhlayiyana ezithile ikhethiwe, iqale isebenze futhi iphathwe ngama-agent asizayo njenge-coupling agent, i-disperant, i-lubricant, njll., bese kuba inani elithile lenkampani yenethiwekhi. i-resin yengezwa ukuxuba ngokulinganayo.Khipha i-extruder ukuze ukhiphe futhi ugobe ukuze uthole i-calcium carbonate film masterbatch.Ngokuvamile, okuqukethwe kwe-calcium carbonate ku-masterbatch kungu-80wt%, inani eliphelele lezithasiselo ezihlukahlukene lilinganiselwa ku-5wt%, kanye ne-resin yesithwali ngu-15wt%.
Ukwengezwa kwe-calcium carbonate kunganciphisa kakhulu izindleko zamapulasitiki

I-calcium carbonate iningi kakhulu futhi ukulungiswa kwayo kulula kakhulu, ngakho intengo ishibhile.Ngokuphathelene nezinto ezikhethekile zamapayipi, intengo ye-polyethylene (ene-carbon black) ekhaya nakwamanye amazwe iphezulu, futhi intengo ihluke kakhulu ku-calcium carbonate.Uma i-calcium carbonate ingeziwe epulasitiki, izindleko ziyancipha.

Yiqiniso, i-calcium carbonate ayikwazi ukungezwa unomphela.Uma kucatshangelwa ukuqina kwemikhiqizo yepulasitiki, inani eligcwaliswayo le-calcium carbonate ngokuvamile lilawulwa ngaphakathi kwama-50wt% (idatha ehlinzekwa abakhiqizi be-calcium carbonate filler).Ukuze kukhiqizwe amapayipi ahlanganisiwe epulasitiki kanye nensimbi-epulasitiki, amapulasitiki ayizinto zokusetshenziswa eziyinhloko, futhi ukunciphisa kakhulu izindleko zamapulasitiki ngokungangabazeki kuzonciphisa kakhulu izindleko zokukhiqiza futhi kube nenzuzo ekuthuthukiseni inzuzo.


Isikhathi sokuthumela: Oct-09-2022