What are the main ingredients of disposable degradable lunch boxes?

Today, let's make an inventory of disposable degradable lunch boxes on the market.

1. Pulp molded lunch box (vegetable fiber molded tableware)
Pulp molded tableware products have certain advantages on the road of plastic prohibition. First of all, in terms of raw materials, the paper pulp molded disposable lunch box uses wheat straw, bagasse and other plant fibers as raw materials, without adding any PP materials. It is molded through the paper pulp molding wet pressing process. Food grade additives such as water and oil resistance are added to the paper pulp to achieve the effect of containing cold and hot food. Author: Watson degradable tableware.
Vegetable fiber degradable lunch boxes are the most active type of lunch boxes on the market at present. Take Hainan Province, which is the first to ban plastic tableware, as an example. Hainan Province fully prohibits the use, circulation, sales and storage of plastic tableware. Pulp molded tableware is undoubtedly an ideal plastic substitute.
Sugarcane pulp disposable lunch box is a fully degradable lunch box, which can be completely degraded into organic matter in 90 days under industrial composting or domestic composting conditions, returning to nature.

2. Corn starch lunch box
The corn starch degradable lunch box is made of natural corn starch and plant fiber as the base material, supplemented by biological polyester, polyol and other materials.
Corn starch degradable lunch box can be naturally degraded in soil and natural environment, and the degradation rate can reach 60% - 80% according to the composition of the lunch box. It can replace plastic products to a certain extent, reducing white pollution to the environment. It is an ideal substitute for the widely used but controversial "disinfection tableware" in the catering market.

3. PLA fully degradable lunch box
PLA degradable lunch box usually refers to the product that combines PLA composite film and pulp molding product in the pulp molding process, namely PLA coated product.
PLA composite membrane is a kind of completely degradable membrane produced and processed from polylactic acid, which can be compounded on pulp molding and paper products by heating.
Polylactic acid (PLA) is a new type of biodegradable material, which is made from starch materials proposed by renewable plant resources (such as corn). The starch raw material is saccharified to obtain glucose, and then the glucose and a certain strain are fermented to produce high-purity lactic acid, and then the polylactic acid with a certain molecular weight is synthesized by chemical synthesis. It has good biodegradability. After use, it can be completely degraded by microorganisms in the nature, and finally generate carbon dioxide and water, which do not pollute the environment. It is very beneficial to protect the environment and is recognized as an environmentally friendly material.
In view of the advantages of PLA, the combination of the film covering process and the pulp molded products can not only save the use of waterproof and oil repellent agents, but also play a better role in sealing the pores of pulp molded products, so that the products that could not prevent alcohol can prevent alcohol leakage. At the same time, after the air hole is sealed, the tableware reduces the permeability of the product in the actual use process, with higher heat preservation performance and longer heat preservation time.