Degradable Plastic Bags Replace Traditional Plastic Bags, Degradable Plastic Bags Are Both Environmentally Friendly And Practical
Author : wing Update Time：May 10 , 2024
【 Abstract 】 :
The white pollution brought by plastic bags has become more serious and has been highly valued, and the state has issued a new ban on plastic bags, and degradable plastic bags have become the choice to solve the problem of white pollution and become a substitute for traditional plastic bags. At present, degradable plastic bags are not popular, and the cost is relatively high. Goolien packaging will make the price of customized degradable plastic bags extremely cheap, while strictly controlling product quality. Professional flexible packaging manufacturer Goolien Packaging believes that it is better to use biodegradable plastic bags, which are both environmentally friendly and have the utility of traditional plastic bags.
The white pollution brought by plastic bags has become more serious and has been highly valued, and the state has issued a new ban on plastic bags, and degradable plastic bags have become the choice to solve the problem of white pollution and become a substitute for traditional plastic bags. At present, degradable plastic bags are not popular, and the cost is relatively high. Goolien packaging will make the price of customized degradable plastic bags extremely cheap, while strictly controlling product quality. Professional flexible packaging manufacturer Goolien Packaging believes that it is better to use biodegradable plastic bags, which are both environmentally friendly and have the utility of traditional plastic bags.
Degradable plastic bags refer to plastic bags whose performance can meet the performance requirements of use, the performance remains unchanged during the storage period, and can be degraded into environmentally harmless substances under natural environmental conditions after use.
Degradable plastic bags have their advantages in performance, practicality, degradability and safety. In terms of performance, degradable plastic bags can reach or exceed the performance of traditional plastics in some specific areas; In terms of practicality, degradable plastic bags have similar application performance and hygiene performance with similar traditional plastic bags; In terms of degradability, degradable plastic bags can be quickly degraded in the natural environment (specific microorganisms, temperature, humidity) after use, and become fragments or non-toxic gases that are easily used by the environment to reduce the impact on the environment; In terms of safety, the substances generated or remaining in the degradation process of degradable plastic bags are harmless to the environment and will not affect the survival of humans and other organisms. At present, the biggest obstacle to replacing traditional plastic bags is also the disadvantage of degradable plastic is that its production cost is higher than that of similar traditional plastic bags or recycled plastic bags. Therefore, in the application fields of packaging, agricultural film and other applications with short use time, difficult to recycle and separate, low performance requirements, and high impurity content requirements, degradable plastic bags have alternative advantages.
Degradable Materials Used In Plastic Bags
PLA : One of the most common degradable plastics, is a polymer obtained by polymerization of lactic acid as the main raw material. The PLA production process is pollution-free and the product is biodegradable. The PLA after use can be composted and decomposed into carbon dioxide and water at temperatures above 55°C or by oxygen enrichment and microbial action, achieving material circulation in nature without environmental impact. At present, polylactic acid is mainly produced by lactide ring-opening polymerization process, which first dehydrates lactic acid to produce oligomers, then depolymerizes to produce lactide, and then ring-opening polymerization to produce polylactic acid. PLA also has reliable biosafety, biodegradability, good mechanical properties and easy processing, and is widely used in packaging, textile industry, agricultural mulch film and biomedical polymer industries. The disadvantage of PLA is that the degradation conditions are relatively harsh. However, because PLA has a relatively low cost in biodegradable plastics, PLA consumption is at the forefront.
PBS : It is formed by condensation polymerization of succinic acid and 1, 4-butanediol, and the raw material source is fermentation of petroleum or biological resources. PBS is easy to be decomposed into carbon dioxide and water by a variety of microorganisms or enzymes in nature, and has good biocompatibility and bioabsorbability, and good heat resistance. PBS can be used in packaging films, tableware, foam packaging materials, daily necessities bottles, medicine bottles, agricultural films, pesticides and fertilizer slow-release materials and other fields. Due to the limited raw materials of succinic acid in our country, the alternative materials of PBS, PBAT and PBSA, are derived, and their performance is basically similar to PBS, but the processing performance is not as good as PBS.
PBAT : Is a thermoplastic degradable plastic, generally using aliphatic acid and butaneol as raw materials, produced by petrochemical or biological fermentation. It has good ductility and elongation at break, as well as good heat resistance and impact properties. Due to its good film forming performance and easy film blowing, PBAT is widely used in the field of disposable packaging film and agricultural film. In addition, PBAT also has excellent biodegradability and is one of the best degradable materials in degradable plastics research and market application.
PHA : PHAs degradable plastics include polyhydroxybutyrate (PHA), poly3-hydroxybutyrate (PHB), copolymer of 3-hydroxybutyrate and 3-hydroxyvalerate (PHBV), and copolymer of 3-hydroxybutyrate and 3-hydroxycaproate (PHBH). PHAs degradable plastics are the products of bacteria when growth conditions are unbalanced. Among the many degradable plastics, the degradation method of PHA is the most special, and PHA can be completely degraded into β-hydroxybutyric acid, carbon dioxide and water in the biological body after use. PHAs degradable plastics have high thermal deformation temperature and good biocompatibility, but narrow processing temperature range, poor thermal stability, brittleness, unstable production quality, can be used in disposable supplies, medical instruments, surgical gowns, packaging bags and compost bags, medical sutures, repair devices, bandages, orthopedic needles, anti-adhesion film and stent and other fields.
In addition to PLA, PBAT and PHA, the most used in Western Europe are starch-based plastics (also known as starch compounds or starch mixtures). Starch based plastic is a blend of modified deposition powder and dededeable polyesters (such as PLA/PBAT/PBS/PHA, etc.), which can be completely biodegradable, compostable, and pollution-free to the environment. Although starch based plastics are cheap, their service life, mechanical properties and printing properties are poor.
Dongguan Goolien Packaging Technology Co., Ltd. is a professional flexible packaging manufacturer. Advanced production equipment, with more than 23 years of flexible packaging production experience, with strong R & D, design, production capacity. Products are widely used in clothing, food, chemical, home gifts, hardware electronics and other industries. Companies adhering to the "credibility to survive, quality and development" business philosophy, to "mutual cooperation, mutual benefit, common development" for the purpose, with customers to establish a stable cooperative relationship. Our customers are in many countries around the world, such as Midea, Adidas, FILA, Asics, COSCO and other famous brands that we cooperate with. In addition, Goolien packaging has long been certified by the GRS (Global Recycling Standard). The Global Recycled Standard (GRS) focuses on recycled ingredients, social and environmental practices, and chemical use throughout the supply chain, making this standard the focal point of the recycled supply chain. The reuse of materials helps to reduce the dependence on non-renewable resources, reduce the environmental load caused by waste discharge and waste disposal, and contribute to the sustainable development of society. For a long time, "green production" is one of the business philosophy of Dongguan Goolien Packaging Technology Co., LTD. The company has taken a series of measures to continuously improve the recycling technology, reduce the emission of pollutants, use degradable substrates, etc., to optimize the production process. Our company's main business scope includes: used in clothing, food, chemical, home gifts, electronics and other industries of various types of plastic bags. Such as biodegradable materials /GRS recycling environmental protection materials/frosted CPE/PE/PO/PP/OPP and other materials, the main bag types are self-adhesive bag, zipper bag, bone bag, wrist bag, dust hanging bag, shopping bag, express bag, bubble bag, pillow bag, rope bag and so on. Degradable plastic bags multi-layer composite seal, three-sided seal, eight-sided seal three-dimensional food bags, clothing bags, anti-static bags, aluminum foil bags, ink box bags, bone zipper bags, vertical zipper bags, composite card bag, PE/PP/PO plastic bags, PP/PE sheet bags, etc. Sincerely welcome your consultation and guidance, looking forward to your sincere cooperation!
Customized hotline: + 0086-13423364667
Email: kris@goolien.com
Email: kris@goolien.com
