Menene bioplastik?

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Bioplastics kayan aiki ne da yawa waɗanda suke daga asalin halitta kuma suke ƙasƙantar da su ba tare da matsala ba. Wannan rukuni ya haɗa da albarkatun ƙasa daban-daban da ake amfani da su a kowane fanni. Irin waɗannan kayan an yi su ne daga biomass (microorganisms da shuke-shuke), wanda ke da mahalli da mahalli. Bayan an yi amfani da su a cikin yanayi, sun bazu zuwa takin, ruwa da carbon dioxide. Wannan tsari yana faruwa ne a ƙarƙashin tasirin yanayin muhalli. Ofimar lalacewar rayuwa ba ta shafe shi ba. Misali, robobin da aka yi daga mai sun ruɓe da sauri fiye da robobin da aka samo asali da su.

Tsarin bioplastic

An rarraba nau'o'in maganin bioplastics daban-daban zuwa ƙungiyoyi masu zuwa:

  • Rukuni na farko. Wannan ya hada da robobi na asalin halittu da asalin halitta, wadanda basu da ikon yin lalata. Waɗannan sune PE, PP da PET. Wannan kuma ya haɗa da biopolymers - PTT, TPC-ET
  • Na biyu. Wannan rukunin ya hada da robobi masu lalata halittun rayuwa. Yana da PLA, PBS da PH
  • Rukuni na uku. Ana samun kayan wannan rukunin daga ma'adinai, saboda haka suna iya lalacewa. Wannan PBAT ne

Kungiyar Chemistry ta Duniya ta soki batun "kayan maye", saboda wannan lokacin yana yaudarar mutane. Gaskiyar ita ce, mutanen da ba su da sani kaɗan game da kaddarorin da fa'idodin bioplastics na iya karɓar ta azaman kayan haɗin muhalli. Ya fi dacewa da amfani da ma'anar "polymers of asalin ilimin halitta". Babu alamun amfanin muhalli da wannan sunan, amma yana mai da hankali ga yanayin kayan. Don haka, maganin bioplastics ba su da kyau fiye da polymer na roba na gargajiya.

Kasuwar maganin zamani

A yau kasuwar kayan maye tana wakiltar abubuwa da yawa waɗanda aka samo daga albarkatun sabuntawa. Bioplastics da aka yi daga narkakke da masara sananne ne. Suna ba da sitaci da cellulose, waɗanda, a zahiri, polymer na halitta ne wanda zai yiwu a sami filastik daga gare su.

Ana samun bioplastics na masara daga kamfanoni kamar Metabolix, NatureWorks, CRC, da Novamont. Ana amfani da sikari don samar da kayan daga kamfanin Braskem. Man Castor ya zama albarkatun ƙasa na kayan maye wanda Arkema ya samar. Polylactic acid da Sanyo Mavic Media Co Ltd. suka ƙera sanya CD mai lalacewa. Rodenburg Biopolymers yana samar da bioplastics daga dankali. A halin yanzu, ana bukatar samar da maganin bioplastics daga kayan kwalliyar da ake sabuntawa, masana kimiyya koyaushe suna gabatar da sabbin samfuran ci gaba ta wannan hanyar.

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Kalli bidiyon: ALP project - Bio plastic from watermelon rinds (Satumba 2024).