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Phthalic Anhydride (PA) CAS No.: 85-44-9
Kakaretso ea Sehlahisoa
Phthalic Anhydride (PA) ke lisebelisoa tsa bohlokoa tsa lik'hemik'hale tse hlahisoang haholo ke oxidation ea ortho-xylene kapa naphthalene. E bonahala e le 'mala o mosoeu oa kristale o nang le monko o monate o fokolang. PA e sebelisoa haholo ha ho etsoa li-plasticizers, li-resin tsa polyester tse sa sebetseng, li-alkyd resin, dae le li-pigments, e leng se etsang hore e be karolo ea bohlokoa ea lipakeng indastering ea lik'hemik'hale.
Likarolo tsa Bohlokoa
- Reactivity e Phahameng:PA e na le lihlopha tsa anhydride, tse arabelang habonolo ka lino tse tahang, li-amine le metsoako e meng ho etsa li-ester kapa li-amides.
- Solubility e Ntle:E qhibiliha ka metsing a chesang, li-alcohol, li-ethers le lihlahisoa tse ling tsa tlhaho.
- Botsitso:E tsitsitse tlas'a maemo a omileng empa hydrolyzes butle ho phthalic acid boteng ba metsi.
- Mefuta-futa:E sebelisoa ha ho etsoa lihlahisoa tse ngata tsa lik'hemik'hale, e leng se etsang hore e be e fapaneng haholo.
Lisebelisoa
- Lisebelisoa tsa polasetiki:E sebelisoa ho hlahisa li-phthalate esters (mohlala, DOP, DBP), tse sebelisoang haholo lihlahisoa tsa PVC ho ntlafatsa ho fetoha ha maemo le ho sebetsa hantle.
- Li-resin tsa polyester tse sa sebelisoang:E sebelisoa ha ho etsoa likhalase tsa fiberglass, likoahelo le likhomaretsi, e fana ka thepa e ntle ea mochini le khanyetso ea lik'hemik'hale.
- Alkyd Resins:E sebelisoa lipenteng, lirafshoa le li-varnish, tse fanang ka ho khomarela hantle le ho benya.
- Dyes le Pigments:E sebetsa e le setsi sa ho kopanya lidae le li-pigments tsa anthraquinone.
- Lisebelisoa tse ling:E sebelisoa ha ho etsoa li-intermediate tsa meriana, chefo e bolaeang likokoanyana le litlolo tse nkhang hamonate.
Packaging & Storage
- Sephutheloana:E fumaneha ka 25 kg / mokotla, 500 kg / mokotla, kapa mekotla ea lithane. Likhetho tsa ho paka ka tloaelo lia fumaneha ha u kopa.
- Polokelo:Boloka sebakeng se pholileng, se omeletseng, se nang le moea o motle. Qoba ho kopana le mongobo. Mocheso o khothalletsoang oa polokelo: 15-25 ℃.
Tšireletseho & Mehopolo ea Tikoloho
- Ho teneha:PA e halefisa letlalo, mahlo le tsamaiso ea ho hema. Thepa e nepahetseng ea ts'ireletso (mohlala, liatlana, likhalase, lisebelisoa tsa ho hema) li tlameha ho apesoa nakong ea ts'ebetso.
- Ho chesa:E tuka empa e sa chese haholo. Qoba hole le malakabe a bulehileng le mocheso o phahameng.
- Kameho ea Tikoloho:Lahla litšila ho latela melao ea tikoloho ea lehae ho thibela tšilafalo.
Iteanye le rona
Ho fumana lintlha tse ling kapa ho kopa sampole, ka kopo ikopanye le sehlopha sa rona sa barekisi. Re ikemiselitse ho fana ka lihlahisoa tsa boleng bo holimo le litšebeletso tse ntle haholo!
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Kenyelletso ea Sehlahisoa sa Methanol
Kakaretso ea Sehlahisoa
Methanol (CH₃OH) ke mokelikeli o se nang 'mala, o feto-fetohang o monko o monate oa tahi. E le motsoako o bonolo ka ho fetisisa oa joala, o sebelisoa haholo indastering ea lik'hemik'hale, ea matla le ea meriana. E ka hlahisoa ka mafura a mafura (mohlala, khase ea tlhaho, mashala) kapa lisebelisoa tse ka nchafatsoang (mohlala, biomass, hydrogen e tala + CO₂), e leng se etsang hore e be senotlolo sa phetoho ea khabone e tlase.
Litšobotsi tsa Sehlahisoa
- Tšebeliso e Ntle ea Mollo: Ho chesa ka mokhoa o itekanetseng oa khalori le likhase tse fokolang.
- Polokelo e Bonolo le Lipalangoang: Mokelikeli mochesong oa kamore, o kotsi ho feta hydrogen.
- Versatility: E sebelisoa e le mafura le phepelo ea lik'hemik'hale.
- Sustainability: "Green methanol" e ka finyella ho se nke lehlakore ha carbon.
Lisebelisoa
1. Mafura a Matla
- Mafura a Likoloi: peterole ea Methanol (M15/M100) e fokotsa ho tsoa ha mosi.
- Marine Fuel: E nkela oli e boima sebakeng sa likepe (mohlala, likepe tsa Maersk tse tsamaisoang ke methanol).
- Lisele tsa Mafura: Matla a lisebelisoa / li-drones ka lisele tsa mafura tsa methanol (DMFC).
2. Lik'hemik'hale Feedstock
- E sebelisoa ho hlahisa formaldehyde, acetic acid, olefin, joalo-joalo, bakeng sa lipolasetiki, lipente le likhoele tsa maiketsetso.
3. Litšebeliso tse Hlahang
- Hydrogen Carrier: Mabenkele / e lokolla hydrogen ka ho phatloha ha methanol.
- Tšebeliso ea Khabone: E hlahisa methanol ho tsoa ho CO₂ hydrogenation.
Litlhaloso tsa Tekheniki
Ntho Tlhaloso Bohloeki ≥99.85% Boima ba 'mele (20 ℃) 0.791–0.793 g/cm³ Ntlha e belang 64.7 ℃ Flash point 11℃ (E ka cha) Melemo ea Rōna
- Phepelo ea Bofelo: Litharollo tse kopaneng ho tloha ho feedstock ho isa ts'ebelisong ea ho qetela.
- Lihlahisoa tse ikhethileng: Methanol ea boemo ba indasteri, boemo ba mafura le methanol ea maemo a elektroniki.
Tlhokomeliso: MSDS (Material Safety Data Sheet) le COA (Certificate of Analysis) li fumaneha ha u kōpa.
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Diethylene Glycol (DEG) Kenyelletso ea Sehlahisoa
Kakaretso ea Sehlahisoa
Diethylene Glycol (DEG, C₄H₁₀O₃) ke mokelikeli o se nang 'mala, o se nang monko, o nang le viscous o nang le thepa ea hygroscopic le tatso e monate. Joaloka lik'hemik'hale tsa bohlokoa tse bohareng, e sebelisoa haholo ho li-resin tsa polyester, antifreeze, li-plasticizers, solvents, le lisebelisoa tse ling, e leng se etsang hore e be thepa ea bohlokoa indastering ea petrochemical le e ntle ea lik'hemik'hale.
Litšobotsi tsa Sehlahisoa
- Sebaka se Belang se Phahameng: ~ 245 ° C, se loketseng mekhoa ea mocheso o phahameng.
- Hygroscopic: E monya mongobo moeeng.
- Solubility e Ntle: E kopane le metsi, joala, ketone, joalo-joalo.
- Chefo e tlaase: Chefo e fokolang ho feta ethylene glycol (EG) empa e hloka ho tšoaroa ka mokhoa o sireletsehileng.
Lisebelisoa
1. Polyester & Resins
- Ho hlahisa li-resin tsa polyester tse sa tsitsang (UPR) bakeng sa ho roala le fiberglass.
- Diluent bakeng sa li-resin tsa epoxy.
2. Antifreeze & Refrigerants
- Metsoako ea antifreeze ea chefo e tlase (e kopantsoeng le EG).
- Moemeli oa khase ea tlhaho ea dehydrating.
3. Plasticizers & Solvents
- Solvent bakeng sa nitrocellulose, enke, le likhomaretsi.
- Setlolo sa masela.
4. Lisebelisoa tse ling
- Humectant ea koae, setsi sa litlolo, tlhoekiso ea khase.
Litlhaloso tsa Tekheniki
Ntho Tlhaloso Bohloeki ≥99.0% Boima ba 'mele (20°C) 1.116–1.118 g/cm³ Ntlha e belang 244–245°C Flash point 143°C (E ka tuka)
Packaging & Storage
- Packaging: 250kg meropa ea masenke, litanka tsa IBC.
- Polokelo: E tiisitsoe, e omme, e kentsoe moea, hole le li-oxidizer.
Lintlha tsa Polokeho
- Kotsi ea Bophelo bo Botle: Sebelisa liatlana / likhalase ho qoba ho kopana.
- Tlhokomeliso ea Chefo: U se ke ua noa (e monate empa e le chefo).
Melemo ea Rōna
- Bohloeki bo Phahameng: QC e thata e nang le litšila tse nyane.
- Flexible Supply: Liphutheloana tse ngata / tse ikhethileng.
Tlhokomeliso: Litokomane tsa COA, MSDS, le REACH lia fumaneha.