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â—Ž Polyester Oxygen Storage Bottles American scientists have invented a method of forming a soft polyester film on the outside of a plastic bottle by plasma vapor deposition to keep the food inside the bottle fresh. This plastic surface coating reduces oxygen by more than 10%. The coating is similar to quartz and has a thickness of less than 3 mm and the plastic bottle is in. No special treatment is required for recycling.
◎ Self-heating sake tank A kind of sake produced in Japan. There is a sandwich in the lower fifth of the tank, which contains quicklime and a small packet of water sealed in the plastic film. Before drinking, just use an "applied" plastic stick to poke from the lower hole, and the water will immediately mix with the lime to generate a lot of heat. It takes only 3 minutes to warm a canned sake to 58 °C.
â—Ž Self-exporting seasoning bottle A Japanese seasoning bottle containing vinegar, soy sauce, etc., has a small hole in the bottle body, and a button controls the switch. When pouring out, you can use your finger to push down the button, the outside air enters the bottle, and the internal energy will flow out. When the finger is loose, the button will automatically block the air inlet due to the action of the spring, and the internal device will not flow out.
â—Ž Heme fresh-keeping bottle Zui, a company in Alameda, California, has successfully developed an artificial cockroach, a device that can extract oxygen from seawater. This device works with a molecule that functions similarly to hemoglobin in the lungs and can be attached tightly to any oxygen molecule that it encounters. The company has teamed up with companies producing beer caps to produce beer caps with a similar hemoglobin. Cover it on the beer bottle to extract the oxygen mixed into the bottle to prevent the beer from damaging due to oxidation.
◎ Thermosensitive color bottle US Ansa Bottle Company introduced a new type of thermal plastic bottle. Parents only need to glance at the bottle and know if the milk inside is too hot. This bottle has 4 colors, and when the temperature reaches 31 °C, milk is suitable for infants. If the temperature exceeds 40 ° C, the bottle turns white, which means that the milk in the bottle is too hot. After the milk in the bottle is cooled, the bottle will return to its original color. This feature is obtained by injecting a thermosensitive chemical element into the polyethylene used for the bottle.
â—ŽAutomatically heated instant noodle jars Nissin Foods Co., Ltd. and Nippon Steel Corporation have developed a canned instant noodle that can be heated automatically. The can uses a metal oxidation mechanism to allow the lyophilized noodles in the can to be cooked in 5 minutes. This automatic heating can is easy for outdoor workers and tourists to use.
â—ŽHumanized packaging bottle is produced by American Kraft Food Company and obtained the packaging award of the Atlanta Condiment Association. The bottle has a unique wide mouth design, 1 gallon HDPP plastic bottle, handle with finger groove Easy to grasp the knob-type wide-mouth cover design, easy to dump. The bottle was designed by Kraft and made by LiquidContainer Packaging using extrusion blow molding. It replaces the original 1 gallon, press-fit round bottle. Kraft Foods' product division business executive said: "The previous round bottle design was easy to soil the bottle after pouring liquid sauce or jam. The next time it was used, it felt that the bottle was smooth and could not hold the hand." The new bottle has a square design and a funnel-shaped design on the pouring part of the bottle mouth. The two sides form a V-shape. This tapered design helps to guide the liquid product out smoothly and avoid soiling the bottle.
â—ŽThe corn-based bottle is located in the bottled mineral water plant in Colorado, USA. The bottled water bottle is made from corn starch and can be decomposed 100% without any impact on the environment. This bottle made from corn is completely decomposed after 70 days of use. The pure mineral water sold by the company took 10 years to find in the Rocky Mountains of the United States, so it is necessary to equip this water with special bottles to stand up in the highly competitive bottled water market in the United States.
A chemical company extracts a substance called cornic acid from corn that is used to make bottles and a waterproof coating to maintain the shape and concentration of the bottle. Such a bottle can be completely decomposed under appropriate conditions for 75 days to 80 days. Research indicates that in the case of rising global oil prices, containers made from corn starch will be favored for their environmentally friendly characteristics.
According to reports, there are currently 60 bottled waters on the US market. About 95 billion empty bottles are sent to landfills each year, and the use of decomposable bottles will have a positive impact on environmental protection.
Food bottle packaging technology innovation
Most of the beverages, oils and seasonings are packaged in bottles and cans. At present, the new bottle packaging technologies that have appeared internationally include: