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Phthalic Anhydride (PA) CAS Numera: 85-44-9
Vaaiga lautele o oloa
O le Phthalic Anhydride (PA) ose vaila'au fa'aolaola taua, e fa'atupuina i le fa'ama'iina o le ortho-xylene po'o le naphthalene. E foliga mai o se tioata pa'epa'e pa'epa'e ma sina manogi ita. O le PA e faʻaaogaina lautele i le gaosiga o mea faʻapipiʻi, polyester resins unsaturated, resins alkyd, dyes, ma pigments, ma avea ai ma mea taua i totonu o le gaosiga o vailaʻau.
Vaega Autu
- maualuga le gaioi:PA o lo'o i ai vaega o le anhydride, e faigofie ona tali atu i 'ava mālosi, amines, ma isi fa'apotopotoga e fai ai esters po'o amides.
- Lelei solubility:Solu i vai vevela, ava malosi, ethers, ma isi solvents organic.
- Maumau:Fa'amau i lalo ole tulaga mago ae fa'asusu lemu ile phthalic acid ile iai ole vai.
- Fetuuna'i:Fa'aaogaina i le tu'ufa'atasiga o le tele o mea tau vaila'au, ma fa'atosinaina ai.
Talosaga
- Fa'a'ipalai:Fa'aaogaina e gaosia ai esters phthalate (fa'ata'ita'iga, DOP, DBP), lea e fa'aaogaina lautele i oloa PVC e fa'aleleia ai le fetu'una'i ma le fa'agasologa.
- Resini Polyester Le'o'ona:Fa'aaogaina i le gaosiga o fiberglass, fa'alavalava, ma fa'apipi'i, e ofoina atu mea fa'ainisinia sili ona lelei ma fa'ama'i.
- Alkyd Resins:Fa'aaogaina i vali, fa'alavalava, ma varnishes, e maua ai le pipii lelei ma le iila.
- Vainu'u ma Pigments:Auauna e fai ma sui i le tu'ufa'atasiga o vaila'au ma lanu anthraquinone.
- Isi Talosaga:Fa'aaogaina i le gaosiga o vaila'au va'ava'ai, vaila'au fa'ato'aga, ma mea manogi.
Fa'amau & Teuina
- afifiina:E maua i le 25 kilokalama / taga, 500 kilokalama / taga, poʻo tone taga. E maua avanoa fa'apipi'i fa'apitoa i luga ole talosaga.
- Teuina:Teu i se nofoaga malulu, mago, ma lelei le savili. Aloese mai le fa'afeso'ota'i ma le susu. Fautuaina le teuina o le vevela: 15-25℃.
Saogalemu & Manatuga Siosiomaga
- ita:O le PA e faʻafefe i le paʻu, mata, ma le manava. O mea faigaluega puipuia lelei (fa'ata'ita'iga, totigilima, mata tioata, manava) e tatau ona ofuina a'o tagofia.
- Mumu:E mu ae le matua mu. Taofi ese mai afi matala ma vevela maualuga.
- Aafiaga ole Siosiomaga:Lafoa'i mea fa'aleaga e tusa ai ma tulafono fa'alesiosiomaga fa'apitonu'u e puipuia ai le filogia.
Faafesootai matou
Mo nisi faʻamatalaga poʻo le talosagaina o se faʻataʻitaʻiga, faʻamolemole faʻafesoʻotaʻi le matou au faʻatau. Matou te tuuto atu i le tuʻuina atu o oloa maualuga ma auaunaga sili ona lelei!
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Fa'atomuaga o Mea'ai Methanol
Vaaiga lautele o oloa
Methanol (CH₃OH) ose vai e leai ni lanu, fe'avea'i ma se manogi 'ava malosi. I le avea ai o le faʻaogaina o le ava sili ona faigofie, e faʻaaogaina lautele i vailaʻau, malosi, ma falemaʻi. E mafai ona gaosia mai suau'u fa'ato'aga (fa'ata'ita'iga, kesi fa'alenatura, koale) po'o punaoa fa'afouina (fa'ata'ita'iga, biomass, hydrogen green + CO₂), ma avea ai ma mea e mafai ai le suiga maualalo-carbon.
Uiga o oloa
- Fa'asao maualuga: Fa'amama-mu fa'atasi ai ma le fa'amaliega tau calorific ma maualalo emisi.
- Faigofie Teuina & Felauaiga: Suavai ile vevela potu, sili atu scalable nai lo hydrogen.
- Fetuuna'i: Fa'aaogā e fai ma suau'u ma fa'amea fa'a-kemikolo.
- Mauaina: “Green methanol” e mafai ona maua le kaponi solitu.
Talosaga
1. Suau'u Malosiaga
- Suau'u Ta'avale: Methanol gasoline (M15/M100) fa'aitiitia ai le fa'asu.
- Suau'u o le Gataifale: Suia le suauu mamafa i fela'ua'iga (fa'ata'ita'iga, va'a e fa'aola le methanol a Maersk).
- Su'ega Suau'u: Fa'aola masini/drones e ala i sela suau'u methanol sa'o (DMFC).
2. Vailaau Fafaga
- Fa'aaogaina e gaosia ai le formaldehyde, acetic acid, olefins, ma isi, mo palasitika, vali, ma filo fa'akomepiuta.
3. Fa'aaogāga Fa'asolo
- Vaita'i Vaivai: Teu/tu'u le hydrogen e ala ile ta'e ole methanol.
- Carbon Recycling: E gaosia le methanol mai le CO₂ hydrogenation.
Fa'amatalaga Fa'apitoa
Aitema Fa'amatalaga mama ≥99.85% Malosi (20℃) 0.791–0.793 g/cm³ Fa'apuna 64.7℃ Mata'imu 11℃（E mu） O Tatou Fa'amanuiaga
- Sapalai Fa'ai'u i le Fa'ai'uga: Fofo tu'ufa'atasi mai fa'ameamea i le fa'aoga fa'ai'uga.
- Oloa Fa'apitoa: Alamanuia-grade, suau'u-grade, ma eletise-grade methanol.
Manatua: MSDS (Material Safety Data Sheet) ma le COA (Certificate of Analysis) e avanoa pe a talosagaina.
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Diethylene Glycol (DEG) Folasaga Oloa
Vaaiga lautele o oloa
Diethylene Glycol (DEG, C₄H₁₀O₃) o se vai e leai se lanu, leai se manogi, viscous ma mea hygroscopic ma se tofo suamalie. I le avea ai o se vailaʻau taua tele, e masani ona faʻaaogaina i polyester resins, antifreeze, plasticizers, solvents, ma isi mea faʻaoga, ma avea ai ma mea faʻapitoa i le petrochemical ma pisinisi vailaʻau lelei.
Uiga o oloa
- Maualuga Maualuga: ~ 245 ° C, talafeagai mo faiga maualuga-vevela.
- Hygroscopic: E mitiia le susu mai le ea.
- Solubility Sili: Miscible ma vai, ava malosi, ketones, etc.
- Maualalo oona: E itiiti le oona nai lo le ethylene glycol (EG) ae mana'omia le tagofiaina saogalemu.
Talosaga
1. Polyesters & Resins
- Gaosiga o resini polyester e le'i tumu (UPR) mo pa'u ma fiberglass.
- Fa'asusu mo resini epoxy.
2. Anti'aisa & Pusa
- Fuuga fa'aantisaisa e maualalo le oona (fa'afefiloi ma le EG).
- Su'e fa'amama kasa fa'alenatura.
3. Plasticizers & Solvents
- Solvent mo le nitrocellulose, vaitusi, ma mea faʻapipiʻi.
- U'u 'ie.
4. Isi Fa'aoga
- humectant tapaa, faavae teuteu, faamamaina kesi.
Fa'amatalaga Fa'apitoa
Aitema Fa'amatalaga mama ≥99.0% Malosi (20°C) 1.116–1.118 g/cm³ Fa'apuna 244–245°C Mata'imu 143°C（Mu）
Fa'amau & Teuina
- afifiina: 250kg galvanized talipalau, tane IBC.
- Teuina: Faʻamaufaʻailoga, mago, faʻafefe, ese mai mea faʻamaʻi.
Fa'amatalaga Saogalemu
- Tulaga Lamatia mo le Soifua Maloloina: Fa'aaoga totigilima/matativi e 'alofia ai le fa'afeso'ota'i.
- Lapataiga oona: Aua le taumafaina (suamalie ae oona).
O Tatou Fa'amanuiaga
- Faʻamama maualuga: QC malosi faʻatasi ai ma ni mea leaga laiti.
- Sapalai fetuutuunai: Bulk/customized packaging.
Fa'aaliga: COA, MSDS, ma le REACH pepa o lo'o avanoa.