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Zopaka
anti yellowing kwa mapulasitiki a engineeringKuphatikiza pa photooxidation, filimu yomwe imapanga utomoni mu zokutira imatha kunyozedwa ndi hydrolysis, makamaka pamene kutentha kwa ❖ kuyanika kumawonjezeka pansi pa kuwala kwa dzuwa.Pansi pazimenezi, mamolekyu amadzi omwe amamwedwa mu zokutira amatha kuwononga zomangira zomwe zili mu utomoni ndikudula maunyolo a polima, zomwe zimapangitsa kuti ma cell achepetse.Ma polyester ndi alkyd resins amakhudzidwa kwambiri ndi izi kuposa ma polyurethanes ndi epoxies.
