The 21st century is the century environmental protection, environmental issues become increasingly important as more strained resources and energy to build a recycling economy and society, take the road of sustainable development has become the focus of global concern, and urgent tasks, and become a business strategy and human activities criteria. In order to meet the new demands of the times, plastic packaging materials In addition to asking the market to meet the quality and quantity of packaging such as the increasing requirements, its development must be to save resources, energy saving, easy to be recycled after use, easy to dispose of the environment or vulnerable consumers na or degradation as a technology development point of departure. China’s plastics industry has entered into energy-saving environmental protection era, plastic packaging, new materials, new techniques, new technologies and new products are emerging, and being high-performance, multi-function, actively adopt new materials, new technologies and broaden the application areas, as well as plastic packaging and coordinated development of environmentally friendly direction.
The development of recycling economy is the construction of a resource-saving and environment-friendly society and an important way to achieve sustainable development. Has insisted on developing equal emphasis on conservation, conservation priority, according to reduction, re-use, resource-oriented principle, vigorously promote energy-saving and land and materials to strengthen the comprehensive utilization of resources, improve the utilization of renewable resource recycling system, and the full implementation of clean production, the formation of low-input , low-cost, low emissions and high efficiency of conservation-oriented growth. Actively develop and promote resource conservation, substitution and recycling technologies, accelerate the pace of energy saving technological transformation of the high rate of consumption, heavy pollution and technological backwardness of the process and product implementation of the mandatory phase-out system with a price conducive to resource saving and fiscal policy.
Impedance permeability plastic packaging materials, as can be given good quality, freshness, flavor and extend shelf-life insurance functions by the rapid development and wide application, in addition to the widely used polyvinylidene chloride (PVDC), ethylene vinyl alcohol copolymer (EVOH), the recent years, the development of environmentally appropriate materials, promoting polyvinyl alcohol (PVA), polyethylene terephthalate (PEN), a total of polyamide (MXD6), silicon or aluminum oxide steam film (soft glass), nano-inorganic materials, such as the development of more compelling.
Functional packaging materials, such as functional preservation of film, sheet, microporous breathable film preservation, choose to packaging films, multi-functional heat shrinkable packaging film, as well as a special function, convenience (easy to Kaifeng, easy to re-seal) packaging materials and products, etc. will be even greater development. Aseptic packaging materials and technology The biggest advantage is the sterile conditions, without preservatives, no refrigeration, it can maximally retain the original nutrients of food and flavor, can significantly extend shelf life, convenient storage and transport, market development very quickly, use expanded, in addition to the dairy, fruit Khan, accounting for a larger share of the beverage, the will be further extended to pharmaceuticals, cosmetics and condiment areas.
Nano-composite packaging materials will be with the rapid development of nano-technology and rapid industrialization, due to its wear resistance, hardness, strength, resistance permeability, plasticity were significantly enhanced and improved, except for food packaging can be used for special packaging such as anti-static, anti-electromagnetic, explosion-proof and invisible, dangerous goods, packaging, etc. It is expected to promote the traditional plastic packaging materials, a huge change.
Environmentally friendly (environmental fitness) plastic packaging materials (or green plastic packaging materials), with the series of environmental management standards ISl4000 the implementation of a global hot spot of concern, including easy recycling of plastic packaging materials such as PET, PEN, easy to environmental degradation plastics (EDP) in the bio-degradable plastics, have become hot in the hot, others, such as zero pollution foam, thin-walled bottles and biodegradable material is also cause for concern.
Heat canned plastic bottles of juice and tea drinks packaging, with the traditional sterile paper packaging, three-piece metal cans, glass bottles has more ability to lower costs, material and transparent, light weight, easy to damage, environmental protection and good adaptability advantages, it has been more and more widely used, use of accounts for the entire city of more than half of canned heat. In addition to heat canned PET plastic bottles, the bottles are subject to greater attention in recent years, BOPP. BOPP bottle has the following advantages: the improvement of heat resistance, stretching through the PP process, canned temperature can be increased to 100 degrees Celsius, does not require special equipment, bottle handling, and to greatly improve the oxygen barrier: BOPP bottle does not absorb moisture, longer term storage, easy recovery: PET bottle production costs lower than 20%.