Ngoku,izinto zokupakisha ze-biodegradable cosmeticzisetyenziselwe ukupakishwa okuqinileyo kweekhrimu, iilipstick kunye nezinye izinto zokuthambisa. Ngenxa yobungcali bezinto zokuthambisa ngokwayo, akufuneki nje ukuba nembonakalo ekhethekileyo, kodwa kufuneka ibe nephakheji edibana nemisebenzi yayo ekhethekileyo.
Umzekelo, ukungazinzi kwemvelo kwezinto eziluhlaza zokuthambisa kusondele kukutya. Ke ngoko, ukupakishwa kwe-cosmetic kufuna ukubonelela ngeepropathi ezisebenzayo zesithintelo ngelixa ugcina iipropathi zokuthambisa. Ngakolunye uhlangothi, kuyimfuneko ukuhlukanisa ngokupheleleyo ukukhanya kunye nomoya, ukuphepha i-oxidation yemveliso, kwaye uhlukanise iibhaktheriya kunye nezinye i-microorganisms ekungeneni kwimveliso. Ngakolunye uhlangothi, kufuneka kwakhona kuthintele izithako ezisebenzayo kwi-cosmetics ukuba i-adsorbed ngokupakisha izinto okanye ukuphendula kunye nabo ngexesha lokugcinwa, okuya kuchaphazela ukhuseleko kunye nomgangatho wezinto zokuthambisa.
Ukongeza, ukupakishwa kwe-cosmetic kuneemfuno eziphakamileyo zokhuseleko lwebhayoloji, kuba kwizongezo zokupakishwa kwezithambiso, ezinye izinto ezinobungozi zinokunyibilika zizithambiso, oko kubangele ukuba izinto zokuthambisa zingcoliseke.
Imathiriyeli yokupakisha ye-biodegradable cosmetic:
Izinto ze-PLAinokuqhubekeka kakuhle kunye ne-biocompatibility, kwaye ngoku iyeyona nto iphambili yokupakishwa kwe-biodegradable yezithambiso. Izinto ze-PLA zinobulukhuni obuhle kunye nokumelana noomatshini, okwenza kube yinto efanelekileyo yokupakishwa kwe-cosmetic eqinile.
I-cellulose kunye ne-derivatives yayozezona polysaccharides zisetyenziswa kakhulu kwimveliso yokupakisha kwaye zezona zixhaphakileyo iipolima zendalo emhlabeni. Iqulethe iiyunithi ze-glucose monomer ezidityaniswe kunye ne-B-1,4 ye-glycosidic bonds, eyenza ukuba amatyathanga e-cellulose enze iibhondi ze-hydrogen ze-interchain ezinamandla. Ukupakishwa kweCellulose kukulungele ukugcinwa kwezithambiso ezomileyo ezingenayo i-hygroscopic.
Izinto zesitatshiI-polysaccharides eyenziwe yi-amylose kunye ne-amylopectin, ephuma ikakhulu kwi-cereals, i-cassava kunye neetapile. Izinto ezifumaneka ngokurhweba ezisekelwe kwisitatshi zibandakanya umxube wesitatshi kunye nezinye iipolymers, ezifana ne-polyvinyl alcohol okanye i-polycaprolactone. Ezi zixhobo ezisekelwe kwi-starch-based thermoplastic zisetyenziswe kuluhlu olubanzi lwezicelo zemizi-mveliso kwaye zinokuhlangabezana neemeko ze-extrusion application, i-injection molding, i-blow molding, ifilimu yokuvuthela kunye ne-foaming ye-cosmetic packaging. Ifanelekile kwi-non-hygroscopic yokupaka izithambiso ezomileyo.
Chitosaninamandla njengesixhobo sokupakisha esinokonakala sezinto zokuthambisa ngenxa yomsebenzi wayo wokulwa neentsholongwane. I-Chitosan i-polysaccharide ye-cationic evela kwi-deacetylation ye-chitin, ephuma kwiigobolondo ze-crustacean okanye i-fungal hyphae. I-Chitosan ingasetyenziselwa ukugquma kwiifilimu ze-PLA ukuvelisa ukupakishwa okuguquguqukayo okubili kwi-biodegradable kunye ne-antioxidant.
Ixesha lokuposa: Jul-14-2023