초록

Low and high density structural RIM compositions are disclosed which have low viscosities. These compositions contain a resin “B-side”component which comprises a hydroxyl-functional tertiary amine polyol.

대표청구항 ▼

A rigid polyurethane-polyisocyanurate low density structural RIM composite with a density of less than 1.0 g/cm3, having a matrix comprising: (A) an “A side”component comprising one or more polyisocyanate; (B) a “B side”isocyanate reactive component comprising 60 weight percent or more relative to t

A rigid polyurethane-polyisocyanurate low density structural RIM composite with a density of less than 1.0 g/cm3, having a matrix comprising: (A) an “A side”component comprising one or more polyisocyanate; (B) a “B side”isocyanate reactive component comprising 60 weight percent or more relative to the weight of the (B) component of isocyanate reactive compounds comprising a minimum of about 50 weight percent of hydroxyl-functional tertiary amine polyols; and containing a reinforcement of a spunbonded nonwoven material comprised of a bicomponent fiber having a polyester core and polyamide skin.