Vinyl acetate mu Bushinwa
Vinyl acetate (VAC) nigikoresho cyingenzi cyimiti kama ngengabuzima hamwe na molekuline ya C4H6O2, izwi kandi nka vinyl acetate na vinyl acetate.Vinyl acetate ikoreshwa cyane cyane mu gukora inzoga za polyvinyl, Ethylene-vinyl acetate copolymer (EVA resin), Ethylene-vinyl alcool copolymer (EVOH resin), vinyl acetate-vinyl chloride copolymer (vinyl chloride resin), fibre yera na acrylic ibindi bicuruzwa.Ikoreshwa cyane mubice bya fibre synthique, coating, slurry, firime, gutunganya uruhu, gutunganya ubutaka, kandi ifite ibyiringiro byinshi byiterambere no kuyikoresha.Inzira zitunganijwe za vinyl acetate zirimo uburyo bwa karbide acetylene, uburyo bwa gaze naturel ya acetylene nuburyo bwa peteroli ya Ethylene.Uburyo bwa karbide acetylene bukoreshwa cyane mubushinwa, kandi umusaruro wuburyo bwa karbide acetylene uzagera kuri 62% muri 2020.
Mu myaka yashize, isoko rya vinyl acetate mu Bushinwa ryerekanye muri rusange kuzamuka.Dukurikije imibare y’ishyirahamwe ry’inganda zikora imiti mu Bushinwa, mu 2016, bigaragara ko ikoreshwa rya vinyl acetate mu Bushinwa ryari toni miliyoni 1.94, ryiyongereye kugera kuri toni miliyoni 2.33 muri 2019. Byatewe na COVID-19 mu gice cya mbere cya 2020, igipimo cyimikorere yinganda zo hasi cyari gito, bituma habaho kugabanuka gake kugabanuka kugaragara kwa vinyl acetate kugera kuri toni miliyoni 2.16;Hamwe n’ihungabana ry’icyorezo mu gice cya kabiri cy’umwaka no kongera umusaruro w’ubukungu byihuse, icyifuzo cya vinyl acetate cyagarutsweho vuba kuva mu gice cya kabiri cya 2020 kugeza mu gice cya mbere cya 2021, igiciro cy’isoko cyazamutse ku buryo bugaragara, kandi inganda zagaruwe.
Imiterere ikenerwa na vinyl acetate mu Bushinwa irahagaze neza, hamwe n'inzoga za polyvinyl, acetate polyvinyl, amavuta yo kwisiga VAE hamwe na EVA resin nkibicuruzwa byingenzi.Muri 2020, igipimo cya alcool ya polyvinyl muburyo bukoreshwa mu gihugu imbere ya vinyl acetate izagera kuri 65%, naho igipimo cya acetate ya polyvinyl, amavuta yo kwisiga VAE na EAV kizaba 31%.
Kugeza ubu, Ubushinwa bufite ubushobozi bunini bwa vinyl acetate ku isi.Muri 2020, Ubushinwa ubushobozi bwa vinyl acetate buzagera kuri toni miliyoni 2.65, bingana na 40% byubushobozi bwisi yose.Mu myaka yashize, ubushobozi bwasubiye inyuma mu nganda za vinyl acetate mu Bushinwa bwagiye buhoro buhoro, kandi hiyongeraho ubushobozi buhanitse kugira ngo icyuho kibe isoko.Hamwe nogukomeza kunoza imiterere yo gutanga inganda, umusaruro wa vinyl acetate mubushinwa wagaragaje iterambere muri rusange.Dukurikije imibare y’ishyirahamwe ry’inganda zikora imiti mu Bushinwa, umusaruro wa vinyl acetate w’imbere mu gihugu wavuye kuri toni miliyoni 1.91 muri 2016 ugera kuri toni miliyoni 2.28 muri 2019, hamwe n’ubwiyongere bw’umwaka buri mwaka bwa 5.98%;Muri 2020, kubera igiciro gito cya peteroli mpuzamahanga, igiciro cy’umusaruro w’uburyo bwa peteroli ya peteroli yo mu mahanga cyaragabanutse, kwinjiza vinyl acetate mu Bushinwa byiyongera, kandi umusaruro wa vinyl acetate mu gihugu wagabanutse ugera kuri toni miliyoni 1.99;Kuva mu gice cya kabiri cya 2020, hamwe n’ubukungu bwazamutse ku isi ndetse n’izamuka ry’ibiciro bya peteroli mpuzamahanga, umusaruro w’inganda zo mu bwoko bwa vinyl acetate zarashyushye.


Igihe cyo kohereza: Werurwe-03-2023