PVA膜专利预警分析(一)

Analysis of the Patent Warning on PVA film (一)

本文对PVA膜宏观专利数据以及专利技术进行了详细分析。PVA膜专利研究和保护的内容主要涉及原材料、配方、生产工艺、应用领域、装备等多个方面。PVA膜专利技术主要涉及偏光膜、包装膜以及农膜三个方面,其中,偏光膜专利数量最多。PVA偏光膜专利技术主要分为纯PVA膜专利技术、PVA改性技术以及染料/碘系偏光膜技术。在产品研制过程中,重点从原材料的组合应用、生产工艺两个方面着手进行优化。

Patents about PVA film including numeric data and techniques are analyzed in detail. Information on PVA film technique mainly related to raw materials, formulation, processing, application field and equipments etc. The contents of PVA film patent mainly reluted to polarizing film, package film and agricultural film, and most of that related to polarizing film. PVA polarizing film patent include pure PVA film, the modified PVA, PVA/dye polarizing film and PVA/iodine polarizing film. The optimization combination of raw materials and processing is the emphases in the process of the product development.