C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/131
C08G 18/10 (2006.01) C08G 18/12 (2006.01)
Patent
CA 1228192
ABSTRACT A chemically-hardening two-component material based on poly- urethane is provided, having a first component being a prepoly- mer with isocyanate end groups and a second component being a product which has been obtained from a prepolymer with isocya- nate end groups by reacting with a reactive compound which has at least two molecule groups, containing hydrogen and reacting differently with isocyanate. The prepolymer is a reaction pro- duct of an aliphatic or aromatic di-isocyanate with a polypol. Such a material can be produced by reacting a prepolymer which contains isocyanate end groups, with a second component, which, in turn, has resulted from a prepolymer with isocyanate end groups by reacting with a reactive compound which has at least two molecule groups, containing hydrogen and reacting diffe- rently with isocyanate. The material is especially suitable as a self-hardening gluing, coating, sealing and molding material.
470084
Saur Wolfgang
Schonbachler Max
Gurit-Essex Ag
Ridout & Maybee Llp
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