Kaihanga Utu Pai Butylal (Dibutoxymethane) CAS: 2568-90-3
Nga kupu taurite
Ko te Formaldehyde dibutyl acetal he acetal e whakamahia ana mo te hanga i nga kapia waihanga, te patu patu, te deodorants, me te fungicides.Ka whakamahia ano hei taapiri wahie ki te whakanui ake i te nama octane o te penehīni, te nama n-cetane ranei o nga kora hinu me te whakaheke i te auahi me te matūriki.
Nga tono a Butylal
- Ko te formaldehyde dibutyl acetal he whakarewa hau-kore me te iti ake te paitini ka taea te whakamahi ki te whakarewa i nga tauira polyethylene (LDPE) arumoni ki te tātari i te tohatoha taumaha irapoi ma te whakamahi i te gel permeation chromatography (GPC).Ka taea hoki te whakamahi hei reactant ki te whakarite butoxymethyltriphenylphosphonium iodide, e whakamahia ana mo te homologation waro me te mea hoki hei takawaenga matua whai hua i roto i te whakahiato waro.
- Whakaritenga: He ipu 15 karamu (0.5 mole) o te paraformaldehyde, 74 karamu (1.0 mole) o te waipiro η-butyl, me te 2.0 karamu o te ferric chloride anhydrous ka whakamaua mo te 10 haora.Ko te paparanga o raro o te 3-4 ml o te rauemi ka makahia, katahi ka taapirihia te 50 ml o te 10% wairewa konutai warowaiwai wai hei tango i te ferric chloride hei ferric hydroxide.Ka ruia te hua ki te ranunga o te 40 ml o te 20% hydrogen peroxide me te 5 ml o te 10% o te wairewa konutai warowaiha i te 45°C hei tango i te toenga aldehyde.Ka horoia ano te hua ki te wai, ka whakamarokehia, ka whakamarokehia mai i te konutai konutai te taikaha kia taea ai te 62 gm (78%).
Whakatakotoranga o Butylal
| Pūhui | Whakatakotoranga |
| Te ahua | He wai marama, kore tae |
| Pure (GC) | ≥99% |
| Makuku(KF%) | ≤0.1% |
| waipiro n-butyl (GC) | ≤0.75% |
| Formaldehyde(GC) | ≤0.15% |
Te takai o Butylal
170KG/pahu
Ko te rokiroki me noho ki te hauhautanga, maroke me te hau.
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