Akpa nkwakọ ngwaahịa na-emebi emebi pụtara na enwere ike imebi ha, mana enwere ike kewaa nbibi ka ọ bụrụ "ihe na-emebi emebi" na "na-emebi emebi".
Nbibi n'otu akụkụ na-ezo aka na mgbakwunye nke ụfọdụ ihe mgbakwunye (dịka starch, starch gbanwetụrụ ma ọ bụ cellulose ọzọ, photosensitizers, biodegradants, wdg) n'oge usoro mmepụta iji mee ka ọ kwụsie ike.
Mgbe ọ daa, ọ dị mfe imebi plastik na gburugburu ebe obibi.
Mkpokọta mbibi pụtara na ngwaahịa plastik niile na-adaba n'ime mmiri na carbon dioxide. A na-edozi isi akụrụngwa nke ihe a na-emebi emebi n'ụzọ zuru ezu ka ọ bụrụ lactic acid (ọka, akpu, wdg), nke bụ.
PLA. Polylactic acid (PLA) bụ ụdị ihe ọhụrụ dabere na biodegradad nke enwere ike imegharịgharị. A na-edobe ngwa nri starch iji nweta glucose, nke a na-emezi ya site na glucose na ụdị ụfọdụ.
A na-agbanwe ya ka ọ bụrụ lactic acid dị ọcha, mgbe ahụ, a na-emepụta otu polylactic acid dị arọ site na usoro njikọ kemịkal. Ọ nwere ezigbo biodegradability na enwere ike iji ya site na microorganisms na ụwa eke.
A na-emebisị ya kpam kpam n'okpuru ọnọdụ ụfọdụ ma mesịa mepụta carbon dioxide na mmiri na-emetọghị gburugburu ebe obibi. Nke a bara ezigbo uru maka nchekwa nke gburugburu ebe obibi ma mara ya dị ka ihe na-emetụta gburugburu ebe obibi. Akpa nkwakọ ngwaahịa na-emebi emebi ugbu a
Isi ihe na-adabere na bio bụ PLA + PBAT, nke nwere ike imebi kpamkpam n'ime mmiri na carbon dioxide n'ime ọnwa 3-6 n'okpuru ọnọdụ nke composting (60-70 degrees), nke na-adịghị emetọ gburugburu ebe obibi.
Kedu ihe kpatara tinye PBAT Shenzhen Jiuxinda ebe a iji gwa gị na PBAT bụ copolymer nke dicarboxylic acid, 1,4-butanediol, na terephthalic acid. Ọ bụ ụdị n'ụzọ zuru ezu biodegradable.
A chemically synthesized aliphatic aromatic polymer, PBAT nwere ezigbo mgbanwe na ike ga-eji maka film extrusion, ịfụ nhazi, extrusion mkpuchi na ndị ọzọ ịkpụzi nhazi. PLA na PBAT
Ebumnuche nke ịgwakọta bụ iji kwalite ike siri ike nke PLA, biodegradation na nhazi nhazi. PLA na PBAT ekwekọghị, yabụ ịhọrọ onye mmekọ kwesịrị ekwesị nwere ike ime ka arụmọrụ PLA dị ịrịba ama.melite.
Oge nzipu: Sep-03-2021