Vinyl Acetate Monomer (Sinopec VAM)
Vinyl acetate cyangwa vinyl acetate monomer (VAM) ikoreshwa cyane cyane nka monomer mugukora indi miti ikoreshwa mubikorwa bitandukanye byinganda n’abaguzi.
Monomer ni iki?
Monomer ni molekile ishobora guhuzwa nizindi molekile zisa kugirango zikore polymer.
Polymers ishingiye kuri VAM, harimo vinyl chloride-vinyl acetate copolymer, polyvinyl acetate (PVA) na alcool ya polyvinyl (PVOH), ikoreshwa muburyo butandukanye.
Iyo polymers ikozwe hifashishijwe VAM, vinyl acetate ikoreshwa mugukora kwayo irakoreshwa rwose, bivuze ko hasigaye gusa niba hari ibishoboka byose guhura na VAM ubwayo muri ibyo bicuruzwa.
● Ibifunga hamwe na kole: PVA ifite imiterere ikomeye yo gufatira ku bikoresho bitandukanye, birimo impapuro, ibiti, firime ya pulasitike hamwe n’ibyuma, kandi ni ikintu cyingenzi mu bikoresho by’ibiti, kole yera, kole y’ububaji hamwe n’ishuri ry’ishuri.PVOH ikoreshwa muma firime yo gupakira;irashobora gushonga amazi kandi ikomeza guhinduka uko isaza.
Irangi: Polymers ishingiye kuri VAM ikoreshwa mugukora amarangi menshi yimbere ya latex nkibikoresho bitanga guhuza ibintu byose hamwe no kurangiriza kurangiza.
● Imyenda: PVOH ikoreshwa mugukora imyenda kugirango ingero zingana, inzira imyenda ikozweho na firime ikingira kugirango igabanye gucika mugihe cyo kuboha.
● Ipitingi: PVOH ikoreshwa muburyo bwo gufotora.Irakoreshwa kandi mugukora polyvinyl butyral (PVB), resin ifite gufatana gukomeye, kumvikana no gukomera.PVB ikoreshwa cyane mubirahuri bimenetse kumodoka ninyubako zubucuruzi;itanga uburyo bwo kurinda no gukorera mu mucyo buhujwe hagati y ibirahuri bibiri byikirahure.Irashobora kandi gukoreshwa mubitambaro hamwe na wino.Ibikomoka kuri VAM nabyo bikoreshwa nk'igifuniko muri firime ya plastike yo gupakira ibiryo.
Mod Guhindura ibiryo bya krahisi: VAM irashobora gukoreshwa nkibigize ibiryo bihindura ibiryo.Ibinyamisogwe byahinduwe mubusanzwe bikoreshwa nkibiryo byongera ibiryo kubwimpamvu zimwe zisanzwe zikoreshwa: kubyimba, gutuza cyangwa kwigana ibicuruzwa byibiribwa nka soup, isosi na gravy.
● Inkoko: PVOH ikoreshwa nkigikoresho cyo kubyimba mumazi amwe.Umubyimba urashobora kongerwaho mumazi amwe kugirango afashe kuvura dysphagia, cyangwa kumira ingorane, no gufasha ibiri mubinyobwa bidasembuye gukomeza kugabanwa neza.
● Gukwirakwiza: VAM ikoreshwa mugukora Ethylene vinyl acetate (EVA), ikoreshwa mugukoresha insinga na insinga kubera guhindagurika, kuramba hamwe nimiterere ya flame-retardant.
Inzitizi ya barrière: Gukoresha VAM bigenda byiyongera ni ugukora inzoga ya Ethylene vinyl (EVOH), ikoreshwa nka barrière ya bariyeri mu gupakira ibiryo, amacupa ya pulasitike, n'ibigega bya lisansi, no muri polymers yubuhanga.Inzitizi za barrière ni plastiki zikoreshwa mubipfunyika ibiryo kugirango zifashe kwirinda gaze, imyuka cyangwa amazi yinjira kandi bifasha kugumya ibiryo bishya.
Ikigega cya VAM giherereye kuri Jiangyin, Nanjing na Jingjiang kirenga 10000cbm. Dushingiye kuri ibyo, hashyizweho ibigega byo ku nkombe kugira ngo bikorane neza n’abafatanyabikorwa bayo mpuzamahanga kandi bitange serivisi nziza ku bakiriya bayo ku isi.
