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Footprint is a materials science organization that engineers fiber-based packaging in an effort to address the environmental crisis of plastic pollution. [1] [2] Its plant-based fiber alternatives to plastic are made from sources like double-lined kraft. [3] These can be compostable, biodegradable, and recyclable. [2]
In typical parlance, the word biodegradable is distinct in meaning from compostable.While biodegradable simply means an object is capable of being decomposed by bacteria or other living organisms, "compostable" in the plastic industry is defined as able to decompose in aerobic environments that are maintained under specific controlled temperature and humidity conditions.
Modified atmosphere/modified humidity (MA/MH) packaging is a type of equilibrium modified atmosphere packaging (EMAP), which evolved due to the need for more control of humidity in the packaging. Most of the polymers that are commercially used in EMAP are polyolefin -based, characterized by low moisture vapor transmission rate (MVTR).
Biodegradable plastics are commonly used for disposable items, such as packaging, cutlery, and food service containers. [13] In principle, biodegradable plastics could replace many applications for conventional plastics. However, this entails a number of challenges. Many biodegradable plastics are designed to degrade in industrial composting ...
Sustainable packaging is a relatively new addition to the environmental considerations for packaging (see Packaging and labeling). It requires more analysis and documentation to look at the package design, choice of materials, processing, and life-cycle.
PET is considered to be essentially non-biodegradable, with plastic bottles estimated to take as long as 450 years to decompose. [8] Because of this, other packaging materials are being sought. Calcium alginate gel