Wuhan Handern food packaging materials for radiation sterilization
DATE：2020/5/6 8:39:00 / READ： / SOURCE：This station
Wuhan Handern food packaging materials for radiation sterilization
With the prosperity and development of our economy. People's living standards are getting better and better. In order to better preserve various foods, which are fresh fruits, meat, eggs, etc., various packaged radiation sterilization methods are used. In recent years, the sterilization and preservation of food has been studied and applied in many research institutions and factories, regardless of the effect; this is the first step in the new preservation method of food in China. www.handern.com Meltblown non-woven equipmentThe radiation sources are basically the following: (1) ultraviolet radiation sterilization; (2) C7 ray sterilization and preservation: (3) high-energy electron exposure sterilization: (4) X-ray radiation sterilization, and now C "radioactive rays have been used Irradiation of dry wine not only makes the wine taste mellow and delicious, but also reduces the bitterness and bitterness. This radiation is carried out in a non-toxic plastic container, with a dose of 200,000 to 400,000 lats, the dose rate is 5000 to 500,000 lats (hours) www.handern.com Meltblown non-woven equipment
The Radiation Research Institute of Wuguo Institute of Light Industry has adopted C radiation for fresh fruits (such as citrus extract) for two years, and has achieved good economic results every year. At the end of 1983, they irradiated 5 kilograms of orange withered to Yangmei Village, Taichao Commune, Wuguo City. Unfortunately, they were irradiated in a large basket and without any airtight packaging. The irradiated citrus can be placed in March and April after the Spring Festival, and the effect is very significant, without moldy deterioration. However, because there is no outer packaging, the citrus loses moisture and the orange peels dry. If it can be packed in a plastic bag and irradiated, it can not only ensure that it is not moldy, but also retain moisture and improve nutritional value. . When irradiating fruits with 7 rays, Kaifeng City, which uses 1-3 million roentgens, also set up a factory specializing in processing foods, called Kaifeng Food Nuclear Energy Irradiation Plant. For Tibetan vegetables, fruits, beverages, medicinal materials, meat, fish, game and local food, fast food, travel food, etc., their requirements for packaging materials for molding materials are: www.handern.com Spinning equipment
(1) Non-toxic
(2) Can withstand 10kGy (million lun) ray irradiation without deterioration and modification. www.handern.com Meltblown non-woven equipment
(3) Good air and moisture barrier. www.handern.com Meltblown non-woven equipment
(4) Good tear resistance and tensile strength
(5) A temperature of 20 ～ + 110 ℃
It has been studied that after accelerated electron irradiation sterilization of plastic packaging materials, low-molecular organic compounds of various components will be produced. These substances are ethyl acid, toluene, hydrocarbons, etc. These materials will cause packaged food Dyed with a certain smell, which affects the color and fragrance of food. For this reason, as an inner sealing layer of polyethylene, how to reduce and remove these odors is an important issue. After research, it is much better to use LLDPE as the inner sealing layer than LDPE. The odor can be greatly reduced. If the food is irradiated with hydrogen in mind, it can reduce the generation of odorous substances. Therefore, it is currently a better process to use LDPE as the inner sealing layer for compounding, and nitrogen-filled packaging to irradiate food with accelerated electrons.
Author：admin