Patent · US Active

Two-component polyurethane adhesive for gluing fibrous molded parts

US7931970B2 · kind B2 · utility

9Cited by

3References

13Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Nicole Schlingloff · Dressendorf, DE
Dorothee Ursula Bogedain · Bedburg, DE
Michael A. P. Gansow · Wetzikon, CH

Key dates

Filing date	Jun 9, 2010
Grant date	Apr 26, 2011
Priority date	—
Expiry date	Jun 9, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31605
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

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%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.