Plastic PET ọhụrụ na-enye ohere ka teknụzụ nyeghachi ihe okike

  Plastic, nnukwu ihe mepụtara na narị afọ nke 20, ọdịdị ya akwalitela ọganihu nke ụlọ ọrụ ma gbanwee ndụ mmadụ;plastic, ihe ọjọọ mepụtara na narị afọ nke 20, mmetọ ya na ọbụna mmetụta ọjọọ nke gburugburu ebe obibi ka edozibeghị - uru nke plastik na ihe ọghọm dị ka "mma agha ihu abụọ" na ndụ n'ezie, ọ dị ike zuru oke. , ma ọ dị nnọọ ize ndụ.Na maka anyị, ọnụ ala dị ala, nkwụsi ike nke okpomọkụ, ike n'ibu, nhazi nhazi na ndakọrịta nke plastik na-eme ka o siere anyị ike ịghara iji ya kpamkpam na mmepụta nke ngwaahịa anyị, nke na-eduga n'eziokwu ahụ bụ na ọ bụ ezie na anyị ghọtara na plastik nwere ike iyi egwu gburugburu ebe obibi. , ma anyị ka ga-adabere na ihe a.Ọ bụkwa n'ihi nke a ka "mmachibido" ma ọ bụ "ịgbanwe" plastik aghọwo isiokwu dị ogologo oge n'ọhịa nke sayensị ihe maka nchebe nke gburugburu ebe obibi.

N'ezie, usoro a abụghị ihe na-enweghị nsonaazụ.Ruo ogologo oge, nchọpụta banyere "plastic na-agbanwe agbanwe" anọgidewo na-aga n'ihu, na ọtụtụ ihe a pụrụ ịdabere na ya na nke bara uru apụtawo n'otu n'otu, dị ka polylactic acid plastics.Na nso nso a, otu ndị nyocha sitere na School of Basic Sciences na Switzerland Federal Institute of Technology dị na Lausanne ewepụtala plastik sitere na biomass yiri polyethylene terephthalate (PET).Ihe ọhụrụ a nwere uru nke plastik ọdịnala dị ka nkwụsi ike ọkụ siri ike, ike ọrụ a pụrụ ịdabere na ya, na ike plastik siri ike.N'otu oge ahụ, usoro mmepụta ahụ dịkwa mma na gburugburu ebe obibi.A na-akọ na ihe ọhụrụ PET plastik na-eji glyoxylic acid maka nhazi rọba, nke dị mfe iji rụọ ọrụ, mana nwere ike ịtụgharị 25% nke mkpofu ugbo ma ọ bụ 95% nke shuga dị ọcha ka ọ bụrụ rọba.Na mgbakwunye na ịdị mfe ịmepụta, ihe a na-enwekwa ike imebi n'ihi nhazi shuga na-adịghị mma.

Ọ dị mma ịkọwa na ugbu a, ndị nchọpụta ejirila nke ọma hazie ihe a n'ime ngwaahịa plastik nkịtị dị ka ihe nkiri nkwakọ ngwaahịa, ma gosipụta na enwere ike iji ya dị ka ihe eji ebi akwụkwọ 3D (ya bụ, enwere ike ịme ya na filaments maka mbipụta 3D. ), yabụ anyị nwere ihe mere anyị ga-eji na-atụ anya na ihe a ga-enwe ihe ndapụta ngwa ngwa n'ọdịnihu.

Mmechi: Mmepe nke ihe eji eme plastik bụ usoro iji dozie mmetọ plastik site na isi iyi maka nchekwa gburugburu ebe obibi.Otú ọ dị, site n'echiche nke ndị nkịtị, n'ezie, mmetụta nke mmepe a na anyị bụ karịa na ngwá ọrụ nkịtị na ndụ na-amalite ịgbanwe.N'ụzọ dị iche, malite na ndụ anyị, ọ bụrụ na anyị chọrọ n'ezie iji dozie mmetọ rọba site na isi iyi, ikekwe nke ka mkpa, zere mmejọ na ịhapụ plastik, mee ka njikwa ihe eji emegharị ihe na nlekọta ahịa, ma gbochie mmetọ ka ọ ghara ịbanye n'ime okike.