| 摘要 |
<p>FLAME RETARDANT POLYURETHANE FOAM The incorporation of a copolymer of vinyl chloride and a bis(hydrocarbyl) vinylphosphate, e.g., bis(beta-chloroethyl) vinylphosphate, in a polyurethane foam formulation confers flame retardancy on the foam and lessens discoloration that occurs when the foam is formed.</p> |
