The trend of polyurethane lamination adhesives is to develop emiroment-friendly adhesives with high solid content, low viscosity, alcohol solublity or water-based property.

• 指出了开发高固含量、低粘度,醇溶型,无溶剂型和水基型等无污染聚氨酯胶粘剂是今后聚氨酯复膜胶的发展方向。