纸餐盒的应用范围十分的广泛，我们在使用之前肯定是需要知道它的特性的，这样才可以更好的去应用它。那么一次性纸餐盒如何达到防水防油效果？其实这也是大家都在咨询的问题。

The paper lunch box has a wide range of applications. We must know its characteristics before using it, so that we can better use it. So how can disposable paper lunch boxes achieve waterproof and oil-proof effect? In fact, this is also the question that everyone is asking.

它的答案是纸餐盒会添加一定食品级助剂，那么它一般防水剂1.0%-2.5%，防油剂0.5%-0.8%，这样的话才可以达到防水防油的效果。并且它的测试一般是100℃的水，120℃的油，测试时间为30分钟；特殊要求可做把油温和测试时间延长。

The answer is that the paper lunch box will be added with certain food-grade additives, so it generally has a waterproof agent of 1.0% - 2.5% and an oil resistant agent of 0.5% - 0.8%, which can achieve the effect of water and oil resistance. And its test is generally 100 ℃ water, 120 ℃ oil, and the test time is 30 minutes; For special requirements, the oil temperature test time can be extended.

纸餐盒有两种主要解决方案。一种方法是在纸张表面涂上连续且致密的有机高分子膜(涂层)。涂层材料包括聚丙烯酸酯、聚乙烯、聚乙烯醇、羧甲基纤维素等。涂有防油膜的纸质餐具的安全风险在于涂布材料。聚合物膜本身不耐油，油脂还是可以在涂膜表面铺展。

There are two main solutions for paper lunch boxes. One method is to coat the paper surface with continuous and dense organic polymer film (coating). Coating materials include polyacrylate, polyethylene, polyvinyl alcohol, carboxymethyl cellulose, etc. The safety risk of paper tableware coated with anti-oil film lies in the coating material. The polymer film itself is not oil-resistant, and grease can still be spread on the surface of the film.

另一种方法是修改纸纤维的表面，即在纸表面涂上一层水和防油剂。其中一些含有双酚a油脂，当它们接触高温食品时可能会释放有害物质，这种合成高分子材料在自然界中不能降解，存在环境污染问题。因此，对于具有防水防油剂的纸质餐具，应注意防水防油剂的安全和环保。

Another method is to modify the surface of the paper fiber, that is, apply a layer of water and oil repellent on the paper surface. Some of them contain bisphenol a grease, which may release harmful substances when they contact with high-temperature food. This synthetic polymer material cannot be degraded in nature, and has environmental pollution problems. Therefore, for paper tableware with waterproof and oil repellent, attention should be paid to the safety and environmental protection of waterproof and oil repellent.

目前，含氟防水防油剂已在发达国家得到广泛应用。通过浆内添加、表面施胶或涂层处理，使纸张具有防水和防油的特性。其原理是利用氟材料的特殊表面性能来实现防水防油功能。氟碳化合物处理不仅可以获得良好的防水性和耐油性，还可以保持原有的透气性、柔软性、强度、颜色和印刷性能。

At present, fluorine-containing water and oil repellents have been widely used in developed countries. The paper has the characteristics of water and oil resistance through the addition of pulp, surface sizing or coating treatment. Its principle is to use the special surface properties of fluorine materials to achieve the waterproof and oil-proof function. Fluorocarbon treatment can not only obtain good water and oil resistance, but also maintain the original permeability, softness, strength, color and printing performance.

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