A na-eji polypropylene (PP) akpa akpa, dị ka ihe nkwakọ ngwaahịa dị mkpa, n'ahịa n'afọ ndị na-adịbeghị anya, karịsịa na njem na nchekwa nke nnukwu ngwaahịa. Enwere ike ịchọta akụkọ ihe mere eme nke akpa akpa PP na 1950s, mgbe mmepụta nke ihe polypropylene tọrọ ntọala maka mmepụta nke akpa akpa. Site na ọganihu teknụzụ na-aga n'ihu, usoro mmepụta nke akpa akpa PP ejirila nwayọọ nwayọọ tozuo, na-etolite ụdị akpa dị iche iche nke anyị maara taa.
N'oge mbụ, a na-ejikarị akpa PP eme ihe n'ọrụ ugbo na ụlọ ọrụ ihe owuwu. Ka ahịa ahịa na-abawanye, ndị na-emepụta malitere ịmepụta ngwaahịa nwere ikike buru ibu, ya bụ nnukwu akpa. A na-ejikarị akpa buru ibu ebu ma chekwaa nnukwu ihe ndị dị ka fatịlaịza, ọka na mineral. Ha nwere abamuru nke ike ibu ibu siri ike, nguzogide iyi, na mgbochi akwa. Mpụta ha emeela ka ọ dị mma ngwa ngwa yana belata ego ụgbọ njem.
N'ịbanye na narị afọ nke 21, a na-agbasawanye ngwa ngwa nke akpa akpa PP. Na mgbakwunye na ụlọ ọrụ ugbo na ihe owuwu ọdịnala, akpa akpa PP amalitelakwa iji ya na nri, kemịkalụ, ọgwụ na mpaghara ndị ọzọ. Site na mmata na-abawanye ụba nke nchedo gburugburu ebe obibi, ọtụtụ ndị na-emepụta ihe amalitela inyocha ihe ndị nwere ike imebi na akpa PP emegharịrị iji gboo mkpa ahịa maka ngwaahịa ndị na-emetụta gburugburu ebe obibi.
N'ozuzu, mmepe akụkọ ihe mere eme nke PP kpara akpa na nnukwu akpa na-egosipụta ọganihu nke sayensị ihe onwunwe na nkà na ụzụ mmepụta ihe. N'ọdịnihu, na mmepe nke sayensị na teknụzụ na-aga n'ihu, ọrụ na mpaghara ngwa nke akpa akpa PP ga-adị iche iche ma bụrụ akụkụ dị mkpa nke ụlọ ọrụ nkwakọ ngwaahịa ọgbara ọhụrụ.
Oge nzipu: Feb-26-2025