Being minute foaming Characteristic or the production manner of the non foaming Characteristic light stability polyurethane material which

摘要

At least one organic lead and substantially free and reactive components - isocyanate; comprises isocyanate component with an isocyanate at least one compound having the two NCO- based at least is not directly attached to an aromatic group polyurethane material is produced from the reaction mixture containing the catalyst component containing (III) catalyst bismuth. 250ppm less VOC value (Volatile Organic Compounds), preferably to be maintained to less than 100ppm or emission of the polyurethane material, the isocyanate or at least one C ₁₄ ~C ₂₀ carboxylate group - it is substituted with a reactive group I use a catalyst (IV or II) organic tin (III) and / or organic bismuth containing either of C ₂ ~C ₂₀ carboxylate group. The catalyst component may include a (II) carboxylates organozinc more. Oleic acid bismuth, and dimethyl tin dioleate preferred catalyst is zinc 2-ethylhexanoate.