What is the difference between a degradable bag and a fully degradable bag?
The degradable packaging bag means that it can be degraded, but the degradable packaging bag is divided into "degradable" and "fully degradable".
Degradable packaging bag refers to adding a certain amount of additives (such as starch, modified starch or other cellulose, photosensitizer, biodegradation agent, etc.) during the production process to reduce its stability, and then it is easier to be in natural environment Degradable plastic packaging bag.
Fully degradable packaging bag refers to the complete degradation of plastic packaging bags into water and carbon dioxide. The main source of this fully degradable material is processed from corn, cassava, etc. into lactic acid, which is PLA. Polylactic acid (PLA) is a new type of biological substrate and renewable biodegradable material. Starch raw materials are glucose obtained through saccharification, and then fermented with glucose and certain bacteria to produce high-purity lactic acid, which is then synthesized by chemical synthesis. Molecular weight polylactic acid. It has good biodegradability. After use, it can be completely degraded by microorganisms in nature under certain conditions, and eventually generate carbon dioxide and water without polluting the environment. This is very beneficial to protecting the environment and is an environmentally friendly material for workers.
At present, the main bio-based materials of fully degradable packaging bags are composed of PLA + PBAT. Under the condition of composting (60-70 degrees), it can be completely decomposed into water and carbon dioxide in 3-6 months without pollution to the environment.
Why do you need to add PBAT? Under the interpretation of professional flexible packaging manufacturer Shun Xingyuan Packaging, PBAT is adipic acid, 1,4-butanediol and terephthalic acid copolymer, which is a kind of excessively biodegradable The chemically synthesized aliphatic-aromatic polymer, PBAT has excellent flexibility, and can be used for molding processing such as film extrusion, blow processing, and extrusion coating. The purpose of blending PLA and PBAT is to improve the toughness, biodegradability, and molding processability of PLA. PLA and PBAT are incompatible, so choosing the right compatibilizer can significantly improve the performance of PLA.
we offer patented full biodegradable film and PVA bag, all products are made by casting equipment, It is different from traditional blow molding products, all blow molding products are non full biodegradable. We can produce pva films and bags in full transparent and various colors. and the PVA film is more smooth than the traditional blow molding products.
We also offer organic material full biodegradable film and bags with patented raw material and production Process.
For more PVA film and bags products please visit us:
http://www.joyful-printing.net/pva-bag/
http://www.joyful-printing.com/pva-bag/