Kaip pasiekti pasiekti efektas atsparus vandeniui ir atsparus alyvai popierius dėžutės

The paper lunch box has a wide range of applications. We must know its characteristics before use 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 ask.
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 percent and an oil resistant agent of 0%5 percent {{7}%8 percent , which can reach the effect of water and oil resistance. Ir jo testas is paprastai 100 laipsnis vanduo, 120 laipsnis aliejus, ir the testas laikas is 30 minutės; For special reikalavimai, the oil temperatūra testas laikas gali būti pratęstas.
Yra yra du pagrindiniai sprendimai for popierius pietūs dėžutės. Vienas metodas is to padengimas the popierius paviršius su nepertraukiamu ir tankiu organiniu polimeru plėvele (danga). Danga medžiagos įtraukti poliakrilatas, polietilenas, polivinilas alkoholis, karboksimetil celiuliozė, etc. The safety risk of paper tableware coated with anti-oil plėvelė lies in the coating material. The polymer plėvelė pats is ne atsparus aliejui, ir grease can still be spread on the surface iš the filmas.