Technology process for manufacturing waterproof and heat-resistant paper from unbleached chemical pulp for use in food processing

Abstract

The useful solution refers to the technology for manufacturing waterproof and heat-resistant paper (brown paper) used in food processing, including the following steps: (i) Pulp pulverization; (ii) Pulp grinding; (iii) Mixing of chemical additives; (iv) Paper making; (v) Paper surface treatment; (vi) Paper drying. The resulting product possesses excellent oil and water resistance and stable heat resistance during food processing (baking, frying, steaming, etc.); while also ensuring food safety standards according to current regulations, minimizing the risk of unwanted substances leaching during use.