With the rapid development of modern science and high technology, a number of new-type packaging products and technologies with high technological content and broad application prospects have been successfully developed. According to statistics, these products and technologies representing the advanced level of the international packaging industry mainly include:
Sensing tags that record the temperature of packaged goods The trademark uses highly visible, temperature-sensitive materials such as oil, food, pharmaceuticals, biochemicals, and other packaging to monitor temperature changes during transport, storage, and processing. , and record these temperature changes so that the goods can be protected from loss. When the label shows that the temperature of the package has warmed up, the silvery white color of the tag turns black, which is a color-sensitive chemical reaction. The label is affixed with a 9mm diameter self-adhesive thermograph that can be recorded to reflect 105°F, 110°F, 115°F, 120°F, and 120°F to 350°F per 10°F Increase the temperature of the grade. According to temperature changes, appropriate protection measures can be taken for the packaged goods to ensure the interests of production, supply and sales.
High-performance labeling The labeling is a synthetic label developed and produced by CCL Labels, Inc. of Illinois, USA. It is resistant to moisture and absorbs moisture and has a protective effect on label printing. The label uses a 3μm thick BOPP film with four-color gravure. The company also produces a synthetic BOPP film standard with a thickness of 2 μm and a standard of 2 to 6 μm with an external standard of 2 μm in thickness, an external standard pattern, and a seven-color flexo. The internal standard is visible through the die-cut socket. In addition, Wisconsin CI & Graphics recently developed a back-colored, flexo-printed, transparent 1.25-μm thick OPP film that combines a layer of aluminum foil with a synthetic label that is commonly used in the packaging industry.
Water Absorbable Polymer The polymer is developed and produced by Stockhausen Co., North Carolina, USA. It is made by cross-linking polyacrylic acid sodium salt, contains polyvinyl alcohol, and added as an absorbent pad. It can be absorbed and dissolved in poultry packaging. Frozen liquid. The pad's water absorption capacity is at least 50 times heavier than itself and has been approved by the FDA. The polymer was named Favor-Pac100 water-absorbent polymer.
The new PET bottle making process The new bottle making process developed by HambbasedkruppcorpopiastMachinenbau GmbH will greatly increase the thermal load capacity of PET bottles. The effects are: (1) optimizing the wall thickness of the bottle, enhancing the mechanical stability and the reliability of the bottle section; (2) reducing the degree of thermal deformation of the bottle, making the crystallization temperature higher than the softening temperature of the PET bottle; (3) reducing heat Filled bottles are deformed to reduce the excessive residual stress and evaporation temperature of the bottle wall. The development and application of this process technology will greatly improve the packaging performance of PET bottles.
Blowing Film with High Transparency————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— Improved blown-film transparency. This highly transparent HDPE film can be used for wrapping packaging, mainly for the packaging of fresh foods, co-extruded film and liner film can also be used.
Wet-screen board is an M-Guard wet-screen board developed by Liberty Paper Co., Minnesota, USA. It is similar to a corrugated board and is similar to a commonly used inner-liner board. It can be printed, recycled, and then beaten. The board's screen wet performance has a visual effect. The screen wet performance is due to the effect of internal chemical bonding during the manufacturing process of the paperboard. It does not require any conversion operation and can save time. The board achieves good screen wet performance through its inherent absorption.
Source: China Light Industry Machinery Information Network
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