Discussion on the connotation and design developme

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Discussion on the connotation and design development of green packaging II

2.3 develop packaging design towards reusable and renewable packaging materials

the reuse and recycling of packaging materials is the most practical step in the development of green packaging materials today, and it is the most active waste recycling and treatment method to protect the environment and promote the recycling of packaging materials [3]. Recycling is a good way to solve solid waste, and has become an effective way to solve material sources and alleviate environmental pollution in some countries

however, fundamentally speaking, the repeated use and recycling of packaging materials only prolong the service life of some packaging materials and improve the reuse of resources. Their addition amount is in direct proportion to the size of normal stress. When they have completed their service life, there are still problems of waste disposal and environmental pollution

2.4 developing packaging design in the direction of degradable packaging materials

developing degradable plastic packaging materials and gradually eliminating non degradable plastic packaging materials is the general trend of world science and technology development and one of the hot spots of material research and development [3]

degradable plastic packaging materials not only have the functions and characteristics of traditional plastics, but also can be split and degraded in the natural environment through the action of microorganisms in nature or the action of sunlight after completing the use task, and finally return to nature in a non-toxic form

2.5 develop packaging design towards edible packaging materials

edible packaging materials have developed rapidly in recent years and have been widely used in the packaging of food and drugs because of their rich and complete raw materials, edible, harmless and even beneficial to human body, and certain strength. For example, Germany invented a cup made of starch, which will not dissolve in liquid. This cup can be eaten together with the drink in the cup, but it will not produce too much heat

this is a kind of promising green packaging materials, and the research in this field is also very active

2.6 develop packaging design in the direction of convenient recycling

for the purpose of protecting the environment, appropriate forms and structures must be established in packaging design to encourage and facilitate consumers to recycle waste packaging. Thus, to a certain extent, from the perspective of packaging design to reduce the environmental pollution caused by waste

for example, the pop-up can launched by Japan's Sande company can be reduced in size and convenient for recycling as long as it is twisted left and right according to the direction indicated by the shape of the can body after drinking

the proposal of ecological problems makes packaging designers pay more attention to environmental protection while considering the effect of commodity sales shelves

2.7 develop packaging design in the direction of compression

with the birth of high-performance goods (such as high-performance detergents), the development of packaging towards miniaturization and compression has become an inevitable trend. This is an important way to save resources and reduce waste

this is to compress the packaging from the perspective of products and drive the packaging reform with the reform of products themselves

3 green printing and green packaging design

packaging and printing are closely related. With the emergence of green packaging, it is inevitable to adopt matching green printing materials and corresponding printing methods

environmental friendly green printing materials mainly include non-toxic, solvent-free, environmental pollution-free water-based inks, UV inks and alcohol soluble inks. Water based ink is recognized as an environmental friendly printing material in the world, and it is also the only non-toxic ink recognized by the American food and Drug Association [4] among all printing inks at present. It is especially suitable for packaging and printing products with strict sanitary conditions such as food, beverage and drugs. UV ink is known as "new green industrial technology for the 21st century" for its high efficiency, energy saving, solvent-free emission, environmental pollution-free, excellent product performance, and its safety has been recognized by the U.S. Environmental Protection Agency [4]. Alcohol soluble ink is also a kind of ink with little pollution

The typical representative of green packaging printing process is flexographic printing. In recent 10 years, flexographic printing has emerged and developed rapidly in the field of packaging printing at home and abroad. In addition to its own advantages and technological progress, one of the very important factors is that it meets the requirements of environmental protection and green packaging [4], and can widely use environmental friendly green printing materials. Therefore, this technology has received active attention in food packaging, drug packaging, beverage packaging, tobacco and alcohol packaging, and daily necessities packaging in contact with human body, and has broad application prospects

4 summary

with the progress of the times, the design concept has developed from "people-oriented" to "based on endangering human health and life environment", "green life" is rapidly forming and popular. Packaging design, which is closely related to life, has also been injected with green connotation. However, in order to successfully implement and promote green packaging in an all-round way, it still needs to pay more efforts and time to turn green packaging from concept to design and then to practice, as well as the development and active support of relevant industries (such as printing industry). In addition, while emphasizing the beneficial environmental protection of packaging design, we cannot ignore the function of visual communication of packaging. This does not mean that we should unilaterally pursue the visual impact effect of shelf display as in the past, but that through the reasonable use of modeling, color, text, pattern and texture, we can cooperate for a long time to create a kind of friendly visual effect, which depends on the actual environmental protection actions of consumers

now, the era of packaging designers designing only by their own feelings of formal beauty is over. Packaging designers should comply with the needs of the times, cooperate with scientists in natural science, social science and many other fields, and work together to create new styles and materials of packaging design, so as to design for "green life". (text/wangkunqian)

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