Food grade coated paper is what?
Release time:
2023-12-08 09:52
Source:
Network
In recent years, with the continuous improvement of environmental protection awareness, people's demand for sustainable and eco-friendly products is also increasing. In the field of food packaging, food-grade coated paper, as an environmentally friendly material, is gradually getting people's attention and love.
Food-grade coated paper is a kind of paper products made of PLA (polylactic acid) raw materials. PLA is a degradable polymer material, which is formed by fermentation and polymerization of plant starch. Compared with traditional plastic packaging materials, PLA has many advantages.
First of all, PLA is a food-grade material that does not contain harmful substances and heavy metals. In the process of food packaging, PLA coated paper will not release toxic substances, which can ensure the safety and hygiene of food.
Secondly, PLA coated paper has good air permeability and moisture resistance. It can maintain the freshness and taste of food, prevent food from moisture and deterioration, and effectively extend the shelf life of food.
In addition, PLA coated paper also has excellent processability. It can be through the film, embossing, printing and other processes to produce a variety of shapes and patterns of packaging materials to meet the needs of different food packaging.
In addition to the above advantages, PLA coated paper also has degradability. Under appropriate environmental conditions, it can be decomposed and degraded by microorganisms, reducing environmental pollution and occupying resources. Compared with traditional plastic packaging, PLA coated paper has less impact on the environment.
In recent years, PLA coated paper has been widely used in the field of food packaging. In the packaging of vegetables and fruits, PLA coated paper can effectively maintain the freshness and taste of vegetables and fruits, and reduce food waste. In the packaging of snacks and cakes, PLA coated paper can provide good packaging effect and attract consumers' attention. In fast food takeaway packaging, PLA coated paper can ensure food hygiene and safety.
However, although PLA coated paper has many advantages, there are still some problems in the production and application process. The first is the cost problem, PLA raw materials are relatively high, resulting in the price of PLA coated paper is relatively expensive. The second is the performance problem, PLA coated paper in some special environments, such as high temperature or high humidity environment, will appear breathable performance decline.
In order to solve these problems, relevant enterprises and scientific research institutions are making continuous efforts. On the one hand, it reduces the production cost of PLA raw materials and improves the competitiveness of PLA coated paper. On the other hand, the stability and adaptability of PLA coated paper were improved by improving the material formula and processing technology.
In general, food-grade coated paper, as an environmentally friendly packaging material made of PLA raw materials, has broad market prospects. I believe that in the near future, PLA coated paper will become the mainstream product in the field of food packaging, bringing more convenience and environmental protection to people's lives.
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