|4593128||Stabilized polyhydroxybutadiene compounds|
Polyhydroxybutadiene compounds are storage stabilized against reactivity changes by incorporating therein an effective amount of a di or triphenyl phosphine compound of the formula ##STR1## wherein each x is hydrogen, a halogen or an alkyl or alkoxy ...
|4454253||Polyurethane foam game ball, composition and process|
An improved game ball is manufactured from a polyurethane foam prepared from a hydroxyl-containing diene polymer, a catalyst system comprised of a tin compound and a tertiary amine and a surfactant system comprised of a non-hydrolyzable silicone-polyether...
|4334031||Flame-retardant polyurethane foam prepared by incorporating a graft polymer having a particle size greater than 0.5 micron|
In the preparation of conventional or high resiliency flexible polyurethane flame retarded foams by reacting organic polyisocyanates with polyols containing vinylic polymers and employing flame retardant compounds, less flame retardant compound is require...