The polarizer having high polarizing activities and durability to heat and moisture was prepared by dipping the newly synthesized azoxy dye into oriented and stretched polyvinyl alcohol film.

• 使用新合成的氧化偶氮染料对定向和拉伸的聚乙烯醇薄膜染色,制备了具有较高偏振度和耐高温高湿性能的偏振片。