1,6-Diisocyanatohexane homopolymer 28182-81-2 35147-46-7 Coronate EH Hexamethylene diisocyanate homopolymer Hexamethylene diisocyanate polymer Hexamethylene diisocyanate trimer Hexamethylene diisocyanate, homopolymer Hexamethylene isocyanate polymer Hexane, 1,6-diisocyanato-, homopolymer Isocyanic acid, hexamethylene ester, polymers Poly(hexamethylene diisocyanate)