本发明属于精细化工技术领域，具体为一种超低醇解度聚乙烯醇防雾涂膜材料及其制造方法。本发明防雾涂膜材料，其组成如下：超低醇解度聚乙烯醇15‑20%、固化剂1‑10%、1，4‑二氧六环60‑80%、催化剂0.01‑0.5%、助剂0‑1.0%，聚乙烯醇的醇解度范围为5‑30%。固化剂选自二异氰酸酯、二异氰酸酯低聚物和醚化氨基树脂；催化剂

选自二月桂酸二丁基锡和对甲苯磺酸；助剂为消泡剂和流平润湿剂。本发明制备得到防雾涂膜材料具有良好防雾效果，同时，具有良好的耐水性和耐溶剂性，适用基材范围广。

The invention belongs to the technical field of fine chemical industry. Specifically, it's an ultra low alcoholysis polyvinyl alcohol anti-fog coating material and the preparation method. The anti-fog coating material of the invention is composed of the following: ultra-low alcoholysis degree polyvinyl alcohol 15-20%, curing agent 1-10%, 1,4–dioxane 60‑80%, catalyst 0.01-0.5%, additives 0‑1.0%, polyethylene alcohols with an alcoholysis range of 5‑30%. The curing agent is selected from diisocyanic acid esters, diisocyanate oligomers and etherified amino resins; he catalyst is selected from dibutyltin dilaurate and p-toluene sulfonic acid; the auxiliaries are elimination foaming agent and leveling wetting agent. The invention prepares an anti-fog coating with good water and solvent resistance at the same time and it's suitable for wide range of substrates.