Types of green packaging materials

Types of green packaging materials:

1.  Reuse and Recycled Packaging Materials
Reusable packaging, such as beer, beverages, soy sauce, vinegar and other packaging, are used repeatedly in glass bottles.
Recycling packaging can be regenerated by two methods. The physical method refers to direct and thorough purification and crushing without any residual pollutants.
The treated plastic is then used directly to recycle packaging containers.  The chemical method means that after the recycled PET is pulverized and washed, under the action of a catalyst, the PET is completely depolymerized into monomers or partially depolymerized, and then the monomers are repolymerized into recycled packaging materials after purification.

Reuse and regeneration of packaging materials,
It only prolongs the service life of polymer materials such as plastics as packaging materials. When the service life is reached, it still faces the problem of waste disposal and environmental pollution.
2.  Edible Packaging Materials
Edible packaging film.  For decades, the familiar glutinous rice paper used on candy packaging and the corn bake packaging cup for ice cream are typical edible packaging.
The more mature synthetic edible packaging films are transparent, colorless, odorless, non-toxic, tough, and highly oil-resistant.
Film, edible, can be used for food packaging.  Its gloss, strength and folding resistance are relatively good.

Edible plastic wrap.  As early as the 12th and 13th centuries in my country, wax was used to coat oranges and lemons to delay their dehydration and weight loss.
Extend the shelf life of fruits and vegetables.  The edible fresh-keeping film generally used now has developed into a variety of functional properties, with obvious water resistance and certain optional air permeability, so it has a wide range of applications in the food industry, especially in the preservation of fruits and vegetables.

3.  degradable material

Degradable material refers to a plastic whose chemical structure changes under a specific environment that causes performance loss within a specific time.
material.  Degradable plastic packaging materials not only have the functions and properties of traditional plastics, but also can pass the
The action of ultraviolet light in sunlight or the action of microorganisms in soil and water is split, degraded and reduced in the natural environment, and finally with no
The poisonous form re-enters the ecological environment and returns to nature.

4.  paper material

The raw material of paper is mainly natural plant fiber, which will rot quickly in nature, will not pollute the environment, and can also be recycled and remade.
Paper.  Paper materials also have various uses such as pulp casting parts, composite materials, and building materials.

In addition to the advantages of light weight, low price and shock resistance, pulp molded products also have good air permeability, which is conducive to the preservation of fresh goods.
In international commodity circulation, it is widely used in the turnover packaging of eggs, fruits, glass products and other fragile, easy to break, fear of extrusion.



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