poliuretano via MDI

flowchart LR benzeneNitration["nitrazione benzene"] nitrobenzeneHydrogenation["idrogenazione nitrobenzene → aniline"] mdiPhosgenation["fosgenazione MDI"] polyolSynthesis["sintesi polietere poliolo"] puFoaming["schiumatura PU (MDI + poliolo)"] benzeneNitration --> nitrobenzeneHydrogenation nitrobenzeneHydrogenation --> mdiPhosgenation mdiPhosgenation --> puFoaming polyolSynthesis --> puFoaming in_benzene(["benzene"]):::input in_benzene --> benzeneNitration in_nitricAcid(["acido nitrico"]):::input in_nitricAcid --> benzeneNitration in_sulfuricAcid(["acido solforico"]):::input in_sulfuricAcid --> benzeneNitration out_nitrobenzene(["nitrobenzene"]):::output benzeneNitration --> out_nitrobenzene in_nitrobenzene(["nitrobenzene"]):::input in_nitrobenzene --> nitrobenzeneHydrogenation in_hydrogen(["idrogeno"]):::input in_hydrogen --> nitrobenzeneHydrogenation out_aniline(["anilina"]):::output nitrobenzeneHydrogenation --> out_aniline in_aniline(["anilina"]):::input in_aniline --> mdiPhosgenation in_phosgene(["fosgene"]):::input in_phosgene --> mdiPhosgenation out_mdi(["MDI difenilmetano diisocianato"]):::output mdiPhosgenation --> out_mdi in_propyleneOxide(["ossido di propilene"]):::input in_propyleneOxide --> polyolSynthesis in_ethyleneOxide(["EO"]):::input in_ethyleneOxide --> polyolSynthesis out_polyetherPolyol(["polietere poliolo"]):::output polyolSynthesis --> out_polyetherPolyol in_mdi(["MDI difenilmetano diisocianato"]):::input in_mdi --> puFoaming in_polyetherPolyol(["polietere poliolo"]):::input in_polyetherPolyol --> puFoaming out_polyurethane(["poliuretano"]):::output puFoaming --> out_polyurethane classDef input fill:#e8f4ff,stroke:#06c classDef output fill:#e8ffe8,stroke:#0a7

PREFIX chem: <https://ontology.siletto.it/chem-pipeline#>
SELECT ?role ?substance WHERE {
  ?substance chem:playsRole ?ra .
  ?ra chem:role ?role ; chem:inPipeline chem:polyurethanePipeline .
} ORDER BY ?role