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Takeaway box with plastic handle

The development trend of disposable lunch boxes

Categories:Takeaway box with plastic handle
Author:
Origin:
Time of issue:2018-11-08
Views:10

(Summary description)The disposable snack box has been turned from a foam lunch box to an environmentally friendly lunch box. The original foam lunch box has been eliminated due to its high temperature resistance and the destruction of the environment...

The development trend of disposable lunch boxes

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The development trend of disposable lunch boxes

Categories:Takeaway box with plastic handle
Author:
Origin:
Time of issue:2018-11-08
Views:10

Information

The disposable snack box has been turned from a foam lunch box to an environmentally friendly lunch box. The original foam lunch box has been eliminated due to its high temperature resistance and the destruction of the environment. The plastic lunch box, paper lunch box, wooden lunch box and degradable lunch box are waiting for it. and many more. Among them, plastics have the characteristics of low toxicity, high melting point, strong plasticity, simple production and low relative cost, thus becoming the mainstream material for manufacturing disposable snack boxes.

PP polypropylene, with mechanical properties and thermal properties, suitable for food packaging. The lunch boxes are divided into environmentally friendly lunch boxes, mainly plastic, paper, starch and rare metals.

Types of

Plastic type

Disposable lunch boxes made of plastic are mainly PP polypropylene and PS polystyrene. They are non-toxic, tasteless and odorless. PP is soft. Generally, the PP temperature is -6 degrees to +120 degrees, so it is special. It is suitable for hot meals, can be heated in a microwave oven, or even cooked in a steam cabinet. The modified PP can be used at temperatures ranging from -18 degrees to +110 degrees. The lunch box made of this PP can be heated. It can be placed in the refrigerator for refrigerating use up to 100 degrees.

PS is hard and transparent, but it is easy to tear. PS starts to soften when the temperature reaches 75 degrees, so it is not suitable for hot rice hot dishes, but PS has good low temperature performance and is the best packaging material for ice cream.

In order to reduce the cost, some lunch box factories use PP as a box and PS as a lid. The advantage is that the cover is transparent and the PS is hard. It can be made with thinner sheets to reduce the cost, but the consumer must understand the two materials. The difference, remember not to put the whole box with the lid and put it in the microwave to heat.

Cardboard type

The cardboard fast food box is made of 300-350 grams of bleached sulphate wood pulp paperboard, and is formed by die-cut bonding or die-cutting pressing and shaping through a stamping forming process similar to enamel processing. In order to prevent oil leakage or water seepage, it is necessary to coat the surface or apply chemical additives. It is non-toxic and has no side effects on the human body during production and use. However, the quality requirements for paperboard are high, and the cost is also increased.

Starch type

Edible fast food box with starch as raw material, as the name suggests, it is made from starchy plants, added with dietary fiber and other edible additives, and it is mixed and kneaded. It uses biological compounding, glycine cross-linking and calcium. It is made by ion chelation and other techniques. The temperature is from -10 degrees to +120 degrees, so it is especially suitable for hot meals. It can be heated in a microwave oven or placed in a refrigerator for refrigeration.

Pulp molding

The wood pulp or reed, bagasse, wheat straw, straw and other annual herb fiber pulp are pulped and purified, and an appropriate amount of non-toxic chemical additives are added to form, dry, shape, shape, trim and disinfect. The aesthetics of the product is not high and it also increases the pollution of the wastewater.

Plant fiber type

In terms of environmental protection, the plant fiber lunch box has obvious advantages. It is made of plant fiber extracted from straw, rice husk, bagasse, etc., and is added to a forming agent, a binder, a water-resistant agent and the like to be molded by a molding machine. It is made by post-processing such as drying, shaping and disinfection. These agricultural wastes can be used as industrial raw materials and contribute to the comprehensive utilization of agricultural resources.

Degradable plastic lunch box

The raw materials for the production of such lunch boxes are degradable plastics. The so-called degradable plastics are added with a certain amount of additives, such as photosensitizers, starches, etc., in the production process of plastics. Thus, the degradable plastic products are used up and discarded. After three months of exposure in nature, it can be broken down into fragments by a complete shape, thus improving the environment.

Biological fully degradable lunch box

The bio-degradable lunch box is a relatively advanced environmentally friendly product. It uses starch as the main raw material, adds annual plant fiber powder and special additives, and is chemically and physically processed to make a bio-degradable fast food box. Since starch is a biodegradable natural polymer, it is decomposed into glucose by the action of microorganisms and finally decomposed into water and carbon dioxide.

In addition, the material blended with it is also a fully degradable material, so it can be said that it has no effect on the environment. The main source of raw starch can be corn, potatoes, sweet potatoes, cassava and other annual plants. Naturally, most of the bio-degradable raw materials are food crops, which can completely replace the foam lunch box without any pollution to the environment.

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