Maleic Anhydride: Ekintu kikuru ekirikureetaho entunguuka omu bicweka bingi
Emyanya y'okushaba emikuru
Omu by’emibazi, maleic anhydride n’ekintu kikuru ekirikukoresibwa omu kuhanga ebiriisa ebitarikujwara (UPR). Ebirungo ebi biine emitwarize mirungi munonga omu by’ebyoma, nibigumira emibazi, n’okugumira embeera y’obwire kandi nibikoresibwa munonga omu kukora ebiveera ebiine ebihimba by’endabirwamu (GFRP), nk’amaato, ebicweka by’emotoka, n’ebipande by’omuyaga. Okwongyera ahari ekyo, maleic anhydride neebaasa kukoresibwa kuhangaho ebirungo bya alkyd, ebiine okushemeza kurungi n’okugumaho kandi ebirikukoresibwa munonga omu makorero g’okujwara n’okujwara erangi.
Omu by’obushuubuzi bw’ebiveera, ekirungo kya maleic anhydride nikikoresibwa kuhanga ebiveera ebihindwirwemu ekirungo kya maleic anhydride. Omu kuteerana n’ebintu ebitari bimwe na bimwe, maleic anhydride neebaasa kutunguura emitwarize y’ebiveera, nk’okwongyera aha kugumisiriza obutagatsi n’amaani g’ebyoma. Nk’eky’okureeberaho, maleic anhydride grafted polystyrene, erimu styrene, eine obutagatsi burungi n’ebintu by’ebyoma kandi neekoresibwa munonga omu by’amashanyarazi n’eby’emotoka.
Omu by’okukora ebipiira, ekirungo kya maleic anhydride nikikoresibwa kuhanga ebirungo by’okugaita ebipiira. Nikibaasa kukwatagana n’emipiira kukora ebicweka ebirikuteerana, ekirikwongyera aha kugumisiriza obutagatsi n’okugumisiriza okujwara kw’emipiira. Maleic anhydride nayo neekoresibwa omu kuhanga ebirungo by’okusheeshasheesha n’ebintu ebirikurwanisa okukura, ebirikwongera aha myaka y’obuheereza bw’ebintu by’emipiira.
Omu by’okunuura n’eby’emibazi, maleic anhydride neekoresibwa nk’ekintu ky’omugati omu kuhanga ebintu ebiine amagara. Nikibaasa kukoresibwa kuhangaho ebirungo by’omugaju bitari bimwe na bimwe, nka diethyl maleate, ebirikukoresibwa munonga omu birungo by’omugaju n’eby’okujwara. Okwongyera ahari ekyo, maleic anhydride neebaasa kukoresibwa kuhangaho emibazi emwe ey’omugati, nk’ebirikuruga omu maleic anhydride, kukora emibazi y’okurwanisa obukooko n’omutima.
Omu kuboneza amaizi, maleic anhydride neekoresibwa kureetaho ebirungo by’okuboneza amaizi. Nikibaasa kukwatagana na calcium na magnesium ions omu maizi kureetaho ebicupuri ebitarikubaasa kusheesheka, obwo nikikyendeeza aha kuguma kw’amaizi. Maleic anhydride nayo neebaasa kukoresibwa kureetaho ebizibu by’okusheenya n’okuzibira okusheenya n’okusheenya omu nkora z’amaizi.
N’obu eraabe neekoresibwa omu miringo mingi, maleic anhydride neekora asidi kandi neeshiisha, kandi okugikozesa n’okugibiika nibyetenga okwerinda munonga. Maleic anhydride neebaasa kunywa obutagatsi omu myanya erimu obutagatsi, n’ahabw’ekyo neeyetenga kubiikwa omu kiibo ekikingire. Okwongyera ahari ekyo, ebirungo bya maleic anhydride nibibaasa kusheeshasheesha, kandi ebikwato by‘okwerinda ebihikire biine kujwarwa omu bwire bw‘okubikozesa okwetantara okukwata aha ruhu n‘amaisho. Omu kuhanga ebintu omu makorero, okukozesa maleic anhydride nikukira kubaho omu nkora ezikingire kukyendeeza aha kuhutaara kw’eby’obuhangwa.
Ebirikushobororwaho
| Eiziina ry'ekintu | Maleiki Anhydride | |||||||||
| Enkora y'eby'emibazi | C4H2O3 | |||||||||
| Oburemeezi bwa molekyu | 98.06 giraamu/mol | |||||||||
| Enshushana | Ebicweka byeru | |||||||||
| Enshonga y'okusheenya | 52.8°C | |||||||||
| Enshonga y'okufuka | 202°C | |||||||||
| Oburemeezi | 1.48 g/sm3 | |||||||||
| CAS TI | 108-31-60. | |||||||||
| Koodi ya HS | 2917140000 | |||||||||
| EINECS TI | 203-571-6. | |||||||||
| Okushaba | Okuteebwa omu nshaho ya polyester etarimu ebiriisa, ebijwaro, emibazi y'okurwanisa obukooko | |||||||||
Orupapura rw'okurinda omutindo
| Eiziina ry'ekintu | Maleiki Anhydride | ||||||
| EKINTU | OMUHENDO GW'OMURENGYE (%) | OMUHENDO GWOKUGYEZAHO (%) | |||||
| Enshushana | Ebicweka byeru | Ebicweka byeru | |||||
| Obushemeire (na MA) | 99.5WT%edakiika | 99.72% | |||||
| Erangi eshazire | 25APHA Ekirikukirayo | 15AFA | |||||
| Enshonga y'okuhamya | 52.5°C edakiika | 52.6°C | |||||
| Kashenda | 0.005WT% Ekirikukirayo | ||||||
| Amabati | 3PPM ekirikukirayo | 0.32 | |||||
Omubugufu
Omu bugufu, maleic anhydride, nk‘ekintu kikuru ky‘eby‘obuhangwa, nikikora omurimo muhango omu makorero maingi. Tikirikwongyera aha kukora kw’ebintu n’omutindo gwonka kureka nikishagika n’entunguuka y’amakorero g’omurembe. Ahabw’okutunguuka omu bya tekinologiya okurikugumizamu, amatsiko g’okukoresa maleic anhydride nigaija kuba maingi munonga.








