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Plastic Items Exhibition Trend
- Jun 30, 2017 -

Plastic Items Exhibition trend

Exhibition trend editor

The direction of development of plastics can be summarized as two aspects. One is to improve the performance, that is, in a variety of ways to modify the existing varieties to improve its overall performance; Second, the development of the function, that is, the development of optical, electrical, magnetic and other physical functions of the polymer material, so that plastic can have Photoelectric effect, thermoelectric effect, piezoelectric effect and so on. From the current growth rate of the world's plastics industry, Germany and Sweden ranked first, Japan and Europe, followed by some countries, the United States slower. Foreign plastic packaging presents the following trends: copolymer composite packaging film in Europe and the United States a number of countries to invest heavily in the development of non-polar, polar ethylene copolymer, which will greatly improve the tensile and co-extruded film properties, and improve the transparency, sealing strength , Anti-stress, anti-cracking, and enhance the stability of performance, improve the molecular weight and extrusion rheological properties.

Foreign experts believe that: the current development of the world's plastics industry focus on plastic modification, plastic products, coating technology, waste plastic rapid biodegradation, and plastic recycling technology. Some companies in Europe and America to take a linear ethylene - α - olefin copolymer and ethylene - vinyl acetate copolymer mixture / PA bag, suitable for packaging ice cream, milk and other food.

Multifunctional composite film

A large number of foreign development of multi-functional composite film to further refine its role. For example: cold film can be resistant to -18 ℃, -20 ℃, -35 ℃ low temperature environment; PP for moisture treatment made of moisture-proof film, its series of products can be divided into moisture, anti-condensation, anti-cold, adjustable water And other types; anti-corrosion film can be packaged perishable, large acidity, sweetness of the food; friction film stacking stability; special PE film resistant to chemical, corrosion-resistant; muffled film added odor-free insect repellent; Stretch nylon 66 heat-resistant film to replace the two-way stretch nylon 6 packaged food, its high temperature of 140 ℃; new special food packaging film can improve the fragrance of food packaging; non-crystalline nylon film transparency similar to glass; high shielding film Color, fragrance, taste, nutritional indicators and the stability of the quality of the taste; metal protective film using LDPE modified film packaging liquid products, in low temperature environment can be heat sealed; PP synthetic paper to improve the packaging of light resistance, Heat resistance, water resistance, moisture resistance, resistance to grease, acid resistance, alkali resistance and impact resistance.

The current foreign popular plastic cup, composite cup (outer PSP, inner PP, cover PS) packaging cold, hot drinks, wine, convenience food. France with PE bottle packaging fructose, yogurt, Germany with PC bottle packaging milk. China to use PE bottles packaging drugs.

Production method editor

The production of plastic products generally includes plastic ingredients, molding, machining, joining, modification and assembly. After the four processes are in the plastic has been formed for the products or semi-finished products, also known as plastic secondary processing.

Plastic products produced by the molding of plastic processing the key link. Various forms of plastic (powder, pellets, solutions or dispersions) are made into articles or blanks of the desired shape. Forming up to thirty kinds of methods. Its choice depends mainly on the type of plastic (thermoplastic or thermosetting), the initial form and the shape and size of the product. Plastic processing Thermoplastics commonly used methods are extrusion, injection molding, calendering, blow molding and thermoforming, etc., plastic processing thermosetting plastics generally use molding, transfer molding, also with injection molding. Lamination, molding and thermoforming are shaping the plastic on a flat surface. The above plastic processing methods, can be used for rubber processing. In addition, there are liquid monomer or polymer as raw materials such as casting. In these methods, extrusion and injection molding with the most, but also the most basic molding methods.