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Ukuguqulwa kwe-calcium carbonate

Ukuguqulwa kwe-calcium carbonate

I-heavy calcium carbonate ingakhuphula umthamo wemikhiqizo yepulasitiki, inciphise izindleko, ithuthukise ubulukhuni nokuqina, inciphise izinga lokuncipha kwemikhiqizo yepulasitiki, futhi ithuthukise ukuqina kohlangothi;thuthukisa ukusebenza kokucubungula kwamapulasitiki, uthuthukise ukumelana nokushisa kwawo, uthuthukise i-astigmatism yamapulasitiki, i-anti- Ngasikhathi sinye, inemiphumela esobala kumphumela oqinisayo wamandla omthelela we-notched kanye nokugeleza kwe-viscous phakathi nenqubo yokuxuba.

Izakhiwo zemishini

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 locwaningo, kungenzeka futhi ukugcwalisa inani elikhulu le-calcium carbonate ngaphandle kokunciphisa kakhulu ukukhiqizwa.

Ngemuva kokugcwalisa i-calcium carbonate, ngenxa yobunzima obukhulu be-calcium carbonate, ukuqina nokuqina kwemikhiqizo yepulasitiki kuzothuthukiswa, futhi izakhiwo zemishini zizothuthukiswa.Amandla aqinile namandla okuguquguquka komkhiqizo athuthukisiwe, futhi i-modulus elastic yomkhiqizo wepulasitiki ithuthukiswe kakhulu.Uma kuqhathaniswa ne-FRP, amandla ayo aqinile, amandla okuguquguquka kanye ne-flexural modulus cishe afana nalawo e-FRP, futhi izinga lokushisa lokushintsha okushisayo ngokuvamile Liphakeme kune-FRP, okuwukuphela kwento engaphansi kwe-FRP amandla ayo omthelela aphansi, kodwa lokhu kungalungile kunqotshwe ngokungeza inani elincane lemicu yengilazi emifushane.

Ngamapayipi, ukugcwalisa i-calcium carbonate kungathuthukisa izinkomba zayo ezimbalwa, njengamandla aqinile, amandla e-indentation yebhola lensimbi, amandla omthelela we-notched, ukugeleza kwe-viscous, ukumelana nokushisa, njll.;kodwa ngesikhathi esifanayo izonciphisa izinkomba zayo ezimbalwa zokuqina, Njengokwelula ngesikhathi sekhefu, ukuqhekeka okusheshayo, amandla omthelela wemishayo esekelwe nje, njll.

Ukusebenza okushisayo

Ngemva kokwengeza ama-fillers, ngenxa yokuzinza okuhle kokushisa kwe-calcium carbonate, i-coefficient yokwandisa ukushisa okushisayo kanye nezinga lokuncipha komkhiqizo lingancishiswa ngendlela efanayo, ngokungafani ne-glass fiber reinforced thermoplastics, enamazinga ahlukene okuncipha ezicini ezahlukene.Ngemuva kwalokho, i-warpage kanye ne-curvature yomkhiqizo ingancishiswa, okuyisici esikhulu kunazo zonke uma kuqhathaniswa ne-fiber filler, futhi izinga lokushisa lokushintsha elishisayo lomkhiqizo likhuphuka ngokukhula kokugcwalisa.

i-radioactivity

Isigcwalisi sinekhono elithile lokumunca imisebe, futhi ngokuvamile singamunca u-30% kuya ku-80% wengozi yemisebe ye-ultraviolet ukuvimbela ukuguga kwemikhiqizo yepulasitiki.


Isikhathi sokuthumela: Oct-27-2022