Plastic composite elements and a process for the production...

Details Plastic composite elements and a process for the production... Plastic composite elements and a process for the production...

2007-09-25

2007-09-25

Truong, Duc (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S412000, C528S044000, C528S083000

Reexamination Certificate

active

10985096

ABSTRACT:
The invention provides composite elements containing a thermoplastic polymer layer, adhering to a layer comprising the reaction product of a reaction mixture containing a prepolymer containing isocyanate groups produced by the reaction of at least one isocyanate and one polycarbonate polyalcohol with a functionality of 2 to 3 and a hydroxyl number of about 40 to about 400 mg KOH/g, based on the condensation of carbonates with diols and/or triols with a molecular weight of about 62 to about 3000 g/mol, the prepolymer having an isocyanate group content of about 5 to about 48%, compounds reactive with respect to isocyanates and optionally catalysts blowing agents and/or auxiliary substances and/or additives. The present invention further provides a process for the production the composite elements.

REFERENCES:
patent: 5569707 (1996-10-01), Blum et al.
patent: 5635559 (1997-06-01), Brock et al.
patent: 2003/0151154 (2003-08-01), Bellucci et al.
patent: 100 22 280 (2001-11-01), None

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