Flame Retardant Characteristics of Recycled-and Lignin-Based PET Polyols for Rigid Foam Applications

摘要

Halogenated flame retardant agents have protected the public from injury and death by helping to prevent fires in buildings and dwellings for many decades. Today, new flame retardant options are being sought that are based on green chemistry and that contain no halogens for use in rigid foam applications. Resinate Materials Group, Inc. has developed green-content aromatic polyester polyols that provide improved flame retardant performance in polyisocyanurate (PIR) insulating foams. The green content of these new polyol products originates from biorenewable lignin and recycled polyethylene terephthalate. This paper details the performance of these emerging sustainable-content polyols in PIR foam applications.