Two-component polyurethane adhesive for gluing fibrous...

Details Two-component polyurethane adhesive for gluing fibrous... Two-component polyurethane adhesive for gluing fibrous...

2011-04-26

2011-04-26

Tran, Thao T. (Department: 1787)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S423700, C428S425800

Reexamination Certificate

active

07931970

ABSTRACT:
A two-component polyurethane adhesive comprising a polyol component, which contains 2 to 30 wt. % of at least one polyester diol having a molecular weight greater than 1000 g/mole, 5 to 35 wt. % of at least one 3 to 14 functional polyol, 5 to 35 wt. % hydrophobic polyols, 2 to 65 wt. % further additives or auxiliary agents, wherein the sum is to results as 100%, and a cross-linking component made of polyisocyanates in a NCO/OH ratio of 0.9:1 to 1.5:1, wherein the cross-linked adhesive has a Tg greater than 50%.

REFERENCES:
patent: 4474900 (1984-10-01), Dominguez
patent: 5973065 (1999-10-01), Thiele et al.
patent: 6833044 (2004-12-01), Imai et al.
patent: 4114022 (1992-05-01), None
patent: 4442353 (1996-05-01), None
patent: 10244142 (2004-04-01), None
patent: 0794977 (1999-03-01), None
patent: 1153997 (2003-06-01), None
patent: 2863319 (2006-03-01), None
patent: WO 02/066527 (2002-08-01), None
patent: WO 2004/029121 (2004-04-01), None
Search Report from International Application No. PCT/EP2008/067988 dated Apr. 15, 2009.

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