Beijing BEFTRE Green Material Co.,Ltd

As people increasingly favor environmentally friendly packaging, the demand for degradable materials is increasing. People are starting to find and develop some sustainable or eco-friendly environmentally friendly materials. Biodegradable plastics are one of the most environmentally friendly and promising green materials.  Biodegradable bag supplier : Degradable plastic Under specified environmental conditions, after a period of time and including one or more steps, significant changes in the material's chemical structure result in loss of certain properties (such as integrity, molecular weight, structure, or mechanical strength) and / or plastic that has broken. Tests should be performed using standard test methods that reflect changes in performance, and their categories should be determined according to the degradation method and the life cycle. Degradable plastics are divided into biodegradable plastics, compostable plastics, photodegradable plastics, and thermal oxygen-de...

A biodegradable "plastic" bag made from bananas sounds a bit ... but two researchers at the University of New South Wales in Sydney came up with a novel way to turn waste from banana plantations into  Biodegradable plastics  and recyclable packaging materials. The industry produces a lot of organic waste. In fact, the valuable harvest only accounts for 12% of the total product quality, and the rest are discarded. Jayashree Arcot, an associate professor at the School of Chemical Engineering, New South Wales, said: "Compared with other fruit crops, the reason why banana cultivation is particularly wasteful is that the crop dies after each harvest. We are particularly interested in banana pseudostems (plant (Perverted stems); they are basically layered, fleshy and dried after each harvest and discarded in the plantation. Some of them are used as textile raw materials and some are used as compost, but otherwise It's a huge waste. " Arcot and professor Martina...

Pollutants in the environment are collectively referred to as substances that are emitted into the atmosphere, waters, and soil in the production and life of human beings and can cause environmental pollution and have a negative impact on humans. These substances include: pesticides, sludge, hydrocarbons, synthetic polymers, heavy metals, radioactive elements, and so on. Microbes can degrade and transform metals and radioactive materials. Organic substances such as hydrocarbons, organic pesticides, and synthetic polymers are the main targets for microbial degradation. Custom biodegradable foam supplier  to share with you: Degradation generally refers to the reduction of the number of carbon atoms and molecular weight in organic compounds. There is a view that the degraded material will eventually be decomposed into water and carbon dioxide. Biodegradation is: the material in the body through the role of lysis, enzymolysis, cell phagocytosis, etc., during the process of tissue ...

Classified from raw materials, there are at least the following types of biodegradable plastics: Polycaprolactone (PCL) This plastic has good biodegradability and has a melting point of 62 ° C. The microorganisms that break it down are widely distributed under either aerobic or anaerobic conditions. As a  biodegradable plastics  material, it can be mixed with starch and cellulose materials or polymerized with lactic acid. Polybutylene succinate (PBS) and copolymers thereof The technology of manufacturing various high molecular weight polyesters based on PBS (melting point: 114 ° C) has reached the level of industrial production. Japan's Mitsubishi Chemical and Showa Polymer Corporation have begun industrial production with a scale of about 1,000 tons. The Institute of Physics and Chemistry of the Chinese Academy of Sciences is also conducting research on the synthesis of polybutylene succinate copolyester. The Institute of Physics and Chemistry of the Chinese Academ...

Although there are many studies and reports on degradable plastics, many specific problems cannot be solved, and the promotion is extremely difficult, and the outlook is not optimistic. The reasons are: one is that the degradable plastic bag has a low load-bearing capacity and cannot meet the requirements of customers to load more and be used repeatedly; the other is that the  biodegradable plastic bag  has a dull yellow color and low transparency, which gives people a feeling of lack of cleanliness and unsightly , Don't worry about it; third, the price is on the high side, because the merchant is giving away for free, so the cost is difficult to accept. Another example is to solve the environmental pollution problem of EPS fast food lunch boxes. Try to use paper lunch boxes or degradable plastic lunch boxes instead. However, due to the following reasons, it is extremely difficult to promote: first, the high strength, light weight, and good thermal insulation of EPS; second...

According to the Japan Biodegradable Plastics Research Association, Japan's biodegradable plastics production in 2002 was about 10,000 tons, about 20,000 tons in 2003, about 40,000 tons in 2005, and it is expected to reach about 100,000 to 200,000 tons in 2010. According to the European Bioplastics Association, figures in 2001 show that the EU's consumption of biodegradable products is 25,000 to 30,000 tons, while the consumption of traditional polymers is as high as 35 million tons. The European Bioplastics Association predicts that the amount of traditional polymers will reach 55 million tons in 2010, while the amount of  biodegradable plastics  will reach 500,000 to 1 million tons. Biodegradable materials may eventually account for 10% of the market. In biodegradable materials, the proportion of raw materials using renewable resources will account for more than 90%. According to statistics from the China Plastics Association Degradable Plastics Professional Committee, ...

Biodegradable plastic refers to a type of plastic that is degraded by the action of microorganisms such as bacteria, molds (fungi) and algae that exist in nature. The ideal biodegradable plastic is a kind of high-molecular material with excellent performance, which can be completely decomposed by environmental microorganisms after being discarded, and finally inorganicized to become a component of the carbon cycle in nature. Biodegradable plastics  can be divided into two types: fully biodegradable plastics and destructive biodegradable plastics. Destructive biodegradable plastics currently include starch modified (or filled) polyethylene PE, polypropylene PP, polyvinyl chloride PVC, polystyrene PS, and the like. Fully biodegradable plastics are mainly made from natural polymers (such as starch, cellulose, chitin) or agricultural and sideline products through microbial fermentation or synthesis of biodegradable polymers, such as thermoplastic starch plastics, aliphatic polyest...