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Phthalic Anhydride (PA) CAS Nọmba: 85-44-9
Nchịkọta ngwaahịa
Phthalic Anhydride (PA) bụ akụrụngwa kemịkalụ kemịkalụ dị mkpa, nke sitere na oxidation nke ortho-xylene ma ọ bụ naphthalene mepụtara. Ọ na-apụta dị ka kristal na-acha ọcha siri ike na-esi ísì ụtọ. A na-eji PA eme ihe n'ọtụtụ ebe na mmepụta nke plasticizers, resins polyester unsaturated, alkyd resins, dyes, na pigmenti, na-eme ka ọ bụrụ etiti dị mkpa na ụlọ ọrụ kemịkalụ.
Atụmatụ igodo
- Mmeghachi omume dị elu:PA nwere otu anhydride, nke na-emeghachi omume ngwa ngwa na mmanya, amines, na ogige ndị ọzọ iji mepụta esters ma ọ bụ amides.
- Ngwọta dị mma:Na-agbaze n'ime mmiri ọkụ, alcohols, ethers, na ihe mgbaze organic ndị ọzọ.
- Nkwụsi ike:Stable n'okpuru akọrọ ọnọdụ ma hydrolyzes nwayọọ nwayọọ na phthalic acid na ọnụnọ nke mmiri.
- Ntughari:A na-eji kemịkalụ kemịkalụ dị iche iche na-emepụta ihe, na-eme ka ọ dị mma.
Ngwa
- Plasticizers:A na-eji emepụta phthalate esters (dịka, DOP, DBP), nke a na-ejikarị eme ihe na ngwaahịa PVC iji kwalite mgbanwe na nhazi.
- Resins Polyester na-adịghị mma:A na-eji ya na-emepụta fiberglass, mkpuchi, na adhesives, na-enye ihe ndị dị mma na-arụ ọrụ na nguzogide kemịkalụ.
- Alkyd resins:A na-eji agba, mkpuchi, na varnishes, na-enye ezigbo adhesion na gloss.
- Agba na pigmenti:Na-eje ozi dị ka onye etiti na njikọ nke anthraquinone agba na pigmenti.
- Ngwa ndị ọzọ:A na-eji ya na mmepụta nke intermediates ọgwụ, pesticides, na fragrances.
Nkwakọ ngwaahịa & Nchekwa
- Nkwakọ ngwaahịa:Ọ dị na 25 kg / bag, 500 kg / bag, ma ọ bụ akpa ton. Nhọrọ nkwakọ ngwaahịa dị na arịrịọ.
- Nchekwa:Chekwaa n'ebe dị jụụ, kpọrọ nkụ na nke ikuku na-ekpo ọkụ. Zere kọntaktị na mmiri mmiri. Na-atụ aro okpomọkụ okpomọkụ: 15-25 ℃.
Nchekwa & Nchekwa gburugburu
- Iwe:PA na-akpasu iwe na akpụkpọ ahụ, anya, na usoro iku ume. Ngwa nchebe kwesịrị ekwesị (dịka, gloves, goggles, respirators) ga-eyirịrị mgbe ejizi ya.
- Ike ire ọkụ:Na-ere ọkụ mana ọ naghị ere ọkụ nke ukwuu. Chebe ọkụ na-emeghe na oke okpomọkụ.
- Mmetụta gburugburu:Tụfuo ihe mkpofu dị ka iwu gburugburu ebe obibi siri dị iji gbochie mmetọ.
Kpọtụrụ anyị
Maka ozi ndị ọzọ ma ọ bụ ịrịọ maka nlele, biko kpọtụrụ ndị otu ahịa anyị. Anyị na-agba mbọ ịnye ngwaahịa dị elu yana ọrụ magburu onwe ya!
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Methanol Ngwaahịa Okwu Mmalite
Nchịkọta ngwaahịa
Methanol (CH₃OH) bụ mmiri na-enweghị agba, nke na-agbanwe agbanwe nke nwere isi mmanya na-egbu egbu. Dị ka ngwakọta mmanya na-aba n'anya kachasị mfe, a na-eji ya eme ihe na kemịkalụ, ume, na ụlọ ọrụ ọgwụ. Enwere ike imepụta ya site na mmanụ ọkụ (dịka, gas sitere n'okike, kol) ma ọ bụ akụrụngwa enwere ike imeghari (dịka ọmụmaatụ, biomass, hydrogen green + CO₂), na-eme ka ọ bụrụ isi ihe na-enye aka na mgbanwe carbon dị ala.
Njirimara ngwaahịa
- Ịrụ ọrụ ọkụ dị elu: Ọkụ na-ekpocha ọkụ na uru calorific na-agafeghị oke na ikuku dị ala.
- Nchekwa dị mfe & Ụgbọ njem: Liquid na ụlọ okpomọkụ, karịa hydrogen.
- Ọdịiche: Ejiri ya dị ka mmanụ ọkụ na nri kemịkalụ.
- Nkwado: "Methanol Green" nwere ike nweta nnọpụiche carbon.
Ngwa
1. Mmanụ ọkụ ọkụ
- Mmanụ ụgbọala: Methanol mmanụ ụgbọala (M15/M100) na-ebelata ikuku ikuku.
- Mmanụ ụgbọ mmiri: Dochie mmanụ mmanụ dị arọ na mbupu (dịka, ụgbọ mmiri methanol nke Maersk nwere ike).
- Mkpụrụ ndụ mmanụ: Na-enye ike ngwaọrụ/drones site na mkpụrụ ndụ mmanụ methanol ozugbo (DMFC).
2. Chemical nri
- A na-eji emepụta formaldehyde, acetic acid, olefins, wdg, maka plastik, agba, na eriri sịntetik.
3. Emerging Uses
- Onye na-ebu hydrogen: Na-echekwa/na-ewepụta hydrogen site na mgbawa methanol.
- Nrụgharị Carbon: Na-emepụta methanol site na CO₂ hydrogenation.
Nkọwa nka nka
Ihe Nkọwapụta Ịdị ọcha ≥99.85% Njupụta (20 ℃) 0.791–0.793 g/cm³ Ebe esi nri 64.7 ℃ Ebe mgbari 11 ℃ (nwere ike ire ọkụ) Uru Anyị
- Nkwanye ngwụcha ruo ngwụcha: ngwọta agbakwunyere site na nri nri ruo na ojiji njedebe.
- Ngwaahịa ahaziri ahazi: ọkwa ụlọ ọrụ mmepụta ihe, ọkwa mmanụ ọkụ, yana methanol ọkwa elektrọnik.
Mara: MSDS (Akwụkwọ data nchekwa ihe onwunwe) na COA (Akwụkwọ nyocha) dị na arịrịọ.
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Diethylene Glycol (DEG) Mmalite ngwaahịa
Nchịkọta ngwaahịa
Diethylene Glycol (DEG, C₄H₁₀O₃) bụ mmiri na-enweghị isi, enweghị isi, mmiri viscous nwere ihe hygroscopic na ụtọ ụtọ. Dị ka ihe dị mkpa kemịkalụ kemịkalụ, a na-eji ya na polyester resins, antifreeze, plasticizers, solvents, na ngwa ndị ọzọ, na-eme ka ọ bụrụ isi akụrụngwa na petrochemical na ezigbo kemịkalụ ụlọ ọrụ.
Njirimara ngwaahịa
- Ebe esi mmiri dị elu: ~ 245 ° C, dabara maka usoro okpomọkụ dị elu.
- Hygroscopic: na-amịpụta mmiri n'ikuku.
- Solubility dị mma: mmiri, mmanya, ketones, wdg.
- Nsi dị ala: Ọ na-egbu egbu karịa ethylene glycol (EG) mana ọ chọrọ njikwa nchekwa.
Ngwa
1. Polyesters & Resins
- Mmepụta nke unsaturated polyester resins (UPR) maka mkpuchi na fiberglass.
- Diluent maka epoxy resins.
2. Antifreeze & Refrigerant
- Usoro mgbochi friza dị ala na-egbu egbu (agwakọtara ya na EG).
- Ihe na-eme ka ikuku na-ekpo ọkụ n'okike.
3. Plasticizers & ihe mgbaze
- Ihe mgbaze maka nitrocellulose, ink, na adhesives.
- mmanu akwa.
4. Ojiji ndị ọzọ
- ụtaba humectant, ịchọ mma isi, gas ọcha.
Nkọwa nka nka
Ihe Nkọwapụta Ịdị ọcha ≥99.0% Njupụta (20°C) 1.116–1.118 g/cm³ Ebe esi nri 244–245°C Ebe mgbari 143ºC (ọkụ ọkụ)
Nkwakọ ngwaahịa & Nchekwa
- Nkwakọ ngwaahịa: 250kg galvanized drum, IBC tankị.
- Nchekwa: Akara akara, kpọrọ nkụ, ventilashị, pụọ na oxidizers.
Ndetu nchekwa
- Ihe ize ndụ ahụike: Jiri gloves/enyo anya ka ịzenarị kọntaktị.
- Ịdọ aka ná ntị nsi na-egbu egbu: Ejila nri (ụtọ ma na-egbu egbu).
Uru Anyị
- Ọcha dị elu: QC siri ike nwere obere adịghị ọcha.
- Nkwanye na-agbanwe agbanwe: Nkwakọ ngwaahịa buru ibu/ ahaziri ahazi.
Mara: COA, MSDS, na akwụkwọ REACH dị.