Patent ID: 7955475
Filing Date: 2011-06-07
Classification: D21F,Y10S

Abstract:
1. A papermaking shoe press belt, comprising a reinforcing fiber base and a polyurethane layer that are integral with each other, the reinforcing fiber base being embedded in the polyurethane layer, wherein: the polyurethane layer comprises a polyurethane obtained by curing a composition comprising a urethane prepolymer (A) and a curing agent (B) having active hydrogen groups (H); the urethane prepolymer (A) comprises a terminal isocyanate group, and is obtained by reacting an isocyanate compound comprising 55 to 100 mol % of p-phenylene diisocyanate with polytetramethylene glycol; the curing agent (B) comprises 65 to 100 mol % of at least one organic polyamine compound having the active hydrogen groups (H) selected from (B