Maleic Anhydride: Nkoka wa Organic Chemical Raw Material leyi Fambisaka Nhluvukiso eka Tisekithara to Tala
Tinsimu Letikulu ta Xikombelo
Eka indasitiri ya tikhemikhali, maleic anhydride i raw material ya nkoka yo humelerisa unsaturated polyester resins (UPR). Ti resins leti tina switirhisiwa swa kahle swinene swa michini, ku lwisana na ti khemikhali na ku lwisana na maxelo naswona ti tirhisiwa ngopfu eka ku endliwa ka ti plastic fiber-reinforced plastics (GFRP), tofana na swikepe, swiphemu swa timovha, na ti wind turbine blades. Ku engetela kwalano, maleic anhydride yinga tirhisiwa ku endla ti alkyd resins, letingana gloss ya kahle xikan’we naku tiya naswona titirhisiwa ngopfu eka ti coatings na ti inks industrys.
Eka bindzu ra tipulasitiki, maleic anhydride yitirhisiwa ku humelerisa tipulasitiki leti cinciweke hi maleic anhydride. Hiku copolymerizing na ti monomers tohambana hambana, maleic anhydride yinga antswisa swivumbeko swa tipulasitiki, kufana naku engetela ku tiya ka kuhisa xikan’we na matimba ya michini. Xikombiso, maleic anhydride grafted polystyrene, copolymerized na styrene, yina ku tiya swinene ka kuhisa xikan’we na swivumbeko swa michini naswona yitirhisiwa ngopfu eka ti electronics na timovha.
Eka bindzu ra rhaba, maleic anhydride yitirhisiwa ku humelerisa swiengeteri swa rhaba. Yikota ku endla reaction na rhaba kuva yi endla swivumbeko leswi hlanganisiweke, leswi antswisaka ku tiya ka kuhisa xikan’we naku tiya ka rhaba. Maleic anhydride yitlhela yitirhisiwa ku humelerisa ti rubber vulcanizing agents nati anti-aging agents, leswi engetelaka vutomi bya vukorhokeri bya switirhisiwa swa rhaba.
Eka ti indasitiri ta nun’hwelo na mirhi, maleic anhydride yitirhisiwa tani hi xitirhisiwa xale xikarhi eka organic synthesis. Yinga tirhisiwa ku endla swihlanganisi swohambana hambana swa nun’hwelo, swofana na diethyl maleate, leyi tirhisiwaka ngopfu eka swinun’hweriso na switolwa. Ku engetela kwalaho, maleic anhydride yi nga tirhisiwa ku endla swilo swo karhi swa le xikarhi swa mirhi, swo tanihi leswi humaka eka maleic anhydride, leswaku ku endliwa swidlaya-switsongwatsongwana ni mirhi ya misiha ya mbilu.
Eka ku basisiwa ka mati, maleic anhydride yitirhisiwa ku humelerisa switirhisiwa swo basisa mati. Yikota ku endla reaction na calcium na magnesium ions ematini kuva yi endla ti precipitates letinga khulukiki, xisweswo yihunguta ku tiya ka mati. Maleic anhydride yinga tlhela yitirhisiwa ku humelerisa ti corrosion inhibitors nati scale inhibitors kuva yi sivela corrosion na scaling eka tisisiteme ta mati.
Hambi leswi yi tirhisiwaka hi tindlela to hambana hambana, maleic anhydride yina acid naswona yi onha, naswona kutirhisiwa na ku hlayisiwa ka yona swilava switsundzuxo leswi tiyeke swa vuhlayiseki. Maleic anhydride yi tswonga ndzhongho hiku olova eka tindzhawu leti kufumelaka, hikokwalaho yifanele ku hlayisiwa eka xigwitsirisi lexi pfaleriweke. Ku engetela kwalano, ti solutions ta maleic anhydride ti onha nyana, naswona switirhisiwa leswi faneleke swo sirhelela swifanele ku ambariwa hinkarhi waku tirhisiwa ku papalata ku khumbana na nhlonge na mahlo. Eka vuhumelerisi bya ti indasitiri, kutirhisiwa ka maleic anhydride hi ntolovelo swihumelela eka tisisiteme leti pfalekeke kuva kuhungutiwa ku khumbeka ka mbango.
Swihlawulekisi swa kona
| Vito ra Xiendliwa | Maleic Anhydride ya xirhendzevutani | |||||||||
| Fomula ya Tikhemikhali | C4H2O3 | |||||||||
| Ndzilo wa Molekhuli | 98.06 g/mol | |||||||||
| Xivumbeko | Ti- briquette to basa | |||||||||
| Ndhawu yo N’oka | 52.8°C | |||||||||
| Ndhawu yo Vila | 202°C | |||||||||
| Rendzo | 1,48 g/cm3 | |||||||||
| CAS NO | 108-31-6 | |||||||||
| Khodi ya HS | 2917140000 | |||||||||
| EINECS NO | 203-571-6 | |||||||||
| Xikombelo | Yi cheriwa eka unsaturated polyester resin, swifunengeto, swidlaya switsotswana | |||||||||
Xiphephana xa Vulawuri bya Khwalithi
| Vito ra Xiendliwa | Maleic Anhydride ya xirhendzevutani | ||||||
| NCHUMU | NKOKA WA XIYIMO XA LE HENHLA (%) . | NKOKA WA XIKAMBELANTWISISO (%) . | |||||
| Xivumbeko | Ti- briquette to basa | Ti- briquette to basa | |||||
| Ku basa(hi MA) . | 99.5WT%min | 99.72WT% . | |||||
| Muhlovo lowu N’okisiweke | 25APHA Max | 15APHA | |||||
| Nhlamuselo yo Tiyisa | 52.5°C Min | 52,6°C | |||||
| Nkuma | 0.005WT% Max | -0.001WT% | |||||
| Nsimbhi | 3PPM Max | 0.32PPM hi ku tirhisa | |||||
Hi ku komisa
Hiku komisa, maleic anhydride, tani hi organic chemical raw material ya nkoka, yi tlanga xiave xa nkoka eka ti indasitiri to tala. A swi ndlandlamuxi ntsena matirhelo ya swikumiwa na khwalithi kambe swi tlhela swi seketela nhluvukiso wa indasitiri ya manguva lawa. Hi nhluvuko wa thekinoloji lowu yaka emahlweni, ntshembo wa ku tirhisiwa ka maleic anhydride wu ta anama swinene.