Patent ID: 7553914
Filing Date: 2009-06-30
Classification: C08G,C08L,C09J,Y10T

Abstract:
1. A method for producing a two-component bonding agent composition, comprising steps of: (a) preparing a mixture which comprises: (i) 50 to 98 wt % of a hydroxy-terminated polyester having a hydroxyl number from 50 to 350 and hydroxyl functionality from 2 to 3; (ii) 1 to 30 wt % of an epoxy resin having an epoxy equivalent weight from 500 to 4000; and (iii) 1 to 20 wt % of an organic alkoxysilane containing C (b) heating said mixture at a temperature from 100 to 150° C. until dissolution of the epoxy resin is substantially complete, and evaporating C (c) providing a second component comprising a multi-functional isocyanate having an isocyanate functionality from 1.8 to 4; wherein said second component is present relative to said first component at a molar ratio of NCO/OH groups of 0.9:1 to 3:1.