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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1636041Generated: October 25, 2026

Hexamethylene diisocyanate → Diphenylmethane diisocyanate

https://huagongshe.com/reaction/1636041

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexamethylene diisocyanateHCID 13192—
ReactantHydrogenated mdiHCID 21202—
Reactant1,4-DiisocyanatobenzeneHCID 61009—
ReactantDecamethylene diisocyanateHCID 138285—
ReactantIsophorone diisocyanateHCID 169132—
ReactantButane, 1,4-diisocyanato-HCID 350453—
Reactant1,5-Diisocyanato-2,2-dimethylpentaneHCID 20575617—
ProductDiphenylmethane diisocyanateHCID 7570—
Product1,4-DiisocyanatobenzeneHCID 61009—

Reaction Steps

Examples of suitable polyisocyanates as such or employed to make other polyisocyanates adducts or prepolymers include, but are not limited to, 1,4-diisocyanatobutane, 1,5-diisocyanato-2,2-dimethylpentane, 2,2,4- and 2,4,4-trimethyl-1,6-diisocyanatohexane, 1,10-diisocyanatodecane, 4,4′-diisocyanatodicyclohexylmethane, 1,6-hexamethylene diisocyanate, 1,12-dodecane diisocyanate, cyclobutane-1,3-diisocyanate, cyclohexane-1,3- and/or 1,4-diisocyanate, 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl cyclohexane (isophorone or IPDI), 2,4- and/or 2,6-hexahydrotoluylene diisocyanate, hexahydro-1,3- and/or 1,4-phenylene diisocyanate, perhydro-2,4′- and/or -4,4′diphenylmethane diisocyanate, 1,3- and/or 1,4-phenylene diisocyanate, 2,4- and/or 2,6-toluylene diisocyanate, diphenyl methane-2,4′- and/or -4,4′-diisocyanate, naphthalene-1,5-diisocyanate, triphenyl methane-4,4′4″-triisocyanate and polyphenyl polymethylene polyisocyanates obtained by phosgenating-aniline/formaldehyde condensation products.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06512039B1
Source datasetuspto-grants-2003_01
ORD IDord-1b8ca2ce06084462a26900c423e7302e
Source noteuspto-grants-2003_01