Wooden packing box of environmental protection packaging materials
Wooden packing box environmental protection packaging materials have the following kinds: 1, repeat repeat with packaging and packing material, such as beer, beverage, soy sauce, vinegar and other packaging using glass bottles used over and over again.
Use of packing, available two ways: physical method refers to direct a thorough purification, without any contaminant residues, again after processing of plastics used for packaging container directly;
Chemical method refers to the recycled PET crushing after washing, under the effect of catalyst, make all PET depolymerization as monomer or poly, then purified monomer polymerization again into packaging materials.
Reuse of packaging materials and simply extend the polymer materials such as plastic as the service life of the packing material, when after reaching its service life, still face handling of waste and environmental pollution problems.
2, edible packaging materials edible packaging film.
For decades, the familiar candy packaging used on the wafer and packing ice cream corn baking cups are typical edible packaging.
More mature in the synthetic edible packaging film is transparent, colorless, odorless, and has the toughness and high oily film, edible, can be used as food packaging.
Its luster, strength and folding resistance are good.
Edible cling film.
As early as 12 ~ 13 century in our country has with wax to Shanghai juji orange, lemon to slow their dehydration weightlessness.
Extend the fruit and vegetable shelf life.
General use of edible cling film, now has developed into a variety of functions, clear water proofing property and the certain choice of permeability, thus in the food industry, especially in the aspects for fruits and vegetables, has a broad application prospect of 3, biodegradable materials, biodegradable materials is refers to the performance loss during a certain period of time under the specific environment, its chemical structure change of a kind of plastic.
Biodegradable plastic has the functions and features of the traditional plastic packaging materials, and can be done in life, the role of ultraviolet light through the sun or the microbial action of soil and water, in a natural environment degradation and restore, in the form of back into the environment, return to nature.
4 the raw material of paper, paper materials are mainly plant fiber, will soon rot in nature, not cause environmental pollution, can be recycled to make paper.
Paper and pulp note type parts, composite materials, building materials, and other purposes.
Keywords: wooden box
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