As a close-fitting “cloth†for food, plastic packaging materials play an important role in food safety. The safety of raw materials, auxiliary materials, and processes will directly affect the quality of food, which in turn will affect human health and people’s health. Paying attention to the direct impact on the market demand for plastic packaging, plastic packaging companies also need to strengthen safety standards.
Six kinds of plastic packaging material can significantly reduce energy consumption A new study shows that compared to other materials made of packaging, six kinds of plastic packaging materials can significantly reduce energy consumption and greenhouse gas emissions.
The study was prepared by the Franklin Associates for the American Chemistry Council and the Canadian Plastics Industry Association, with 2010 as the baseline year. Research data shows that replacing plastic packaging with other materials will increase the package's weight gain by 4.5 times and increase energy consumption by 80%. Warming potential increased by 130%.
Keith Christman, general manager of the plastics market at the American Chemistry Council, said its advantages are reflected in a variety of applications and materials. Because plastics use much less material, greenhouse gas emissions are greatly reduced. The total amount of various types of plastic materials is equivalent to reducing more than 15 million cars on the road.
The study proposes six major packaging resins, including low-density polyethylene, high-density PE, polypropylene, PVC, foamed styrene, and PET, superior to paper, glass, steel, aluminum, textiles, rubber, and cork. The study investigated the effects of materials used in lids and closures, beverage containers, other rigid containers, shopping bags, shrink films, and other flexible packaging in a detailed life cycle assessment.
Christman said that in the past there have also been individual studies on specific products, including plastic bags vs. tuna cans, EPSvs. paper cups, etc. However, the latest study entitled "The Impact of Plastic Packaging on Life Cycle Energy Consumption and Greenhouse Gas Emissions in the U.S. and Canada" is quite extensive.
The results of the study included more than 50 tables and 16 charts and diagrams, and examined the main lifecycle stages of packaging: raw material production, packaging manufacturing, distribution and transportation, post-consumer disposal and recycling.
Christman said that the study also mentioned the possible consequences of the proposed and recently implemented ban on plastic packaging products. From a statistical point of view, although the disabling of plastic bottles may eliminate plastic bottles in waterways, it will greatly increase the energy consumption for production, transportation, and even glass bottle regeneration.
Plastic packaging materials will be improved in the following areas in the future. With the increasing proportion of plastic packaging in the packaging industry, the demand for them is getting higher and higher. Green environmental protection is one of the requirements. Plastic packaging materials companies can References are made for further improvement and improvement:
Innovate and develop new plastic materials and new processing technologies, make more excellent plastics become packaging materials, and use the high performance of new materials to achieve reduction of packaging materials;
Promote the advancement and development of plastic blending technology, new plastics additives and application technologies, and use low-cost technologies to improve the performance of plastic packaging materials to ensure that plastic packaging materials are non-toxic, hygienic, and environmentally friendly. ;
Improve and improve the plastics recycling and processing technology, greatly improve the recycling rate of plastic packaging materials, improve and eliminate the hidden dangers of "white pollution" caused by plastic packaging materials, and increase resource utilization;
The development of bio-based plastics can effectively regulate the bio-plastic degradation time and cycle, while fully exerting the function of bio-plastic packaging materials, while reducing and eliminating the pollution and impact of plastic packaging materials on the ecological environment;
Through independent research and development and technological innovation, the cost of plastic packaging new materials and new technologies will be reduced, and the problem of many plastic materials that are in compliance with green packaging cannot be applied in large areas due to high costs;
The development of intelligent and other advanced packaging techniques, the use of some of the plastic packaging materials have the characteristics of edible, water-soluble, etc., to reduce the amount of packaging waste, improve the safety and environmental performance of plastic packaging.
At present, the proportion of plastic packaging in the packaging industry's total output value has exceeded 30%, which has become a new force in the packaging industry and plays an irreplaceable role in various fields such as food, beverages, daily necessities, and industrial and agricultural production. The plastic packaging industry presents three major trends in the future:
Plastic packaging will go green, and plastic packaging waste has aroused widespread concern in society. Strengthen the scientific management and use of plastic packaging, maximize the recycling of waste plastics, and gradually develop and use biodegradable plastics. In China, the development of biodegradable plastics is greatly promoted. It is imperative to vigorously develop and promote the use of biodegradable plastics. .
Plastic packaging will be lightweight, reducing the weight of the package. Lighter weight refers to the use of fewer materials to produce the packaging. The weight reduction of the packaging is beneficial to both the environment and the enterprise. Generally, plastic bottles and plastic cans are used. Plastic containers, plastic hoses, and plastic lids make it easier to achieve weight savings.
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