Patent ID: 9567499
Date: 2017-02-14
CPC Classifications: B27N,B29C,B32B,C08G,C08K,C08L,C09J

Claim:
1. A crosslinking two-component polyurethane composition, consisting of a component A comprising polyols and additives, wherein component A contains no more than 10 wt % of diols having an equivalent weight of 30 to 500 g/eq, a component B containing 100 to 65 wt % aromatic polyisocyanates, 0 to 35 wt % aliphatic polyisocyanates, 0.1 to 3.0 wt % retarders and optionally additives, wherein the mixed composition has a viscosity (EN ISO 2555) of 100 mPas to 3000 mPas at 25° C.; the crosslinked composition has a glass transition temperature (Tg) of more than 50° C.; and has a pot life of more than 60 minutes.