Evanesto®: the additive that makes plant-based plastic compostable even from your home!

This innovation provided by Carbiolice is designed for plastic applicationsflexible and rigid packaging, which by their nature cannot be recycled. Indeed, too thin, too complex to recycle or soiled by food, 52% of the plastics produced end up in incineration, landfill or in nature.

Evanesto® is an innovative and eco-responsible alternative that allows us to achieve zero waste. Plastic containing Evanesto® are treated as bio-waste, composted and transformed into compost in less than 200 days. Our solution makes it possible to fight against the plastic waste accumulation in the environment and becomes an effective lever to deploy a high-performance solution for on-site sorting of wastes. 

How Evanesto® works to improve the bioplastic end of life?

Evanesto® is an enzymatic additive. This means that it is composed of enzymes, acting as catalyzers, which allows the plastic disintegration so that it can be assimilated more quickly by the compost’s microorganisms.

Thus, within 200 days, bioplastic are an integral part of your compost, with zero residue and zero toxicity. 

EVANESTO® applications
Discover the products that become fully compostable when integrating Evanesto® inside
  • app-1

    Flexible film

  • app-2

    Packaging

  • app-3

    Disposable tableware

  • app-4

    Bag

  • app-5

    Pod

  • app-6

    Mulching film

How does Evanesto® works?

Step 1
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Evanesto® production

Player : Carbiolice

Carbiolice formulates the enzymes produced by its partner Novozymes so that the enzyme activity is protected at high temperatures. The protected enzyme takes the form of an additive named Evanesto®.

 

 

Introduction and processing on industrial lines

Players : Material transformers or packaging manufacturers

Carbiolice supplies Evanesto®, which is added at a rate of 2-5% to a compound with a high PLA level during traditional plastic transformation processes such as extrusion, injection molding,calendering or thermoforming. The enzyme remains inactive during the entire period of the product’s use.Tests have been performed at the Institut Pasteur de Lille confirming that plastic made with Evanesto® have no skin irritating effect.

A series of tests were executed by OWS to find out whether biodegradation begins during the PLA products use. Biodegradation starts only under domestic or industrial composting conditions. No impact on the packaging lifetime and its mechanical properties was observed.

From the left to the right:

  • Food only
  • PLA tray with food
  • PLA + Evanesto inside with food®

Enzyme activation and plastic end-of-life

Players: Consumers and/or waste recovery companies

The enzyme is activated under composting conditions (humidity, temperature, PH). It allows plastic disintegration,  which will then be digested by the microorganisms in your compost bin. With Evanesto®inside, the PLA becomes compostable under home composting conditions (NF T51-800). It also facilitates and accelerates industrial composting and generates biogas in methanization. 
 
Tests performed on a 60 µm film made of 33% PLA and 5% Evanesto®

Some test results. 

Tests performed on a 60 µm film made of 33% PLA and 5% Evanesto®. The 4 criteria defined by the NF T51-800 “Plastiques – Spécifications pour les plastiques aptes au compostage domestique” standard have been met: 

  • Disintegration achieved within 143 days
  • Total biodegradation achieved in 200 days
  • Zero Toxicity: Watercress sprout tests were conducted in virgin compost and in compost containing the sample for 12 days. The germination and biomass rate reaches the 90% required by the standards. 
  • Validated chemical characterizations: limits for heavy metals presence and minimum volatile content are also respected. 

Test carried out by OWS laboratory  

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EVANESTO® Inside

Test results and analysis on products conatining Evanesto®

Flexible film
Packaging
Disposable tableware
Bag
Pod
Mulching film
Flexible film
Packaging
Disposable tableware
Bag
Pod
Mulching film

Tests performed on a 60 µm film made of 33% PLA and 5% Evanesto®
The 4 criteria defined by the NF T51-800 “Plastiques – Spécifications pour les plastiques aptes au compostage domestique” standard have been met: 

Disintegration:
achieved in 143 days.

 

Biodegradation 
achieved in 200 days.
Acceleration of the biodegradation process by at least 30%.

 

Ecotoxicity: 
performing a watercress and barley sprout test in a virgin compost and in a compost containing the film sample for 12 days. The germination and biomass rate reaches the 90% required by the standards. 

 

Chemical Characterizations: 
limits on the presence of heavy metals and minimum volatile matter content are also respected. 

 

Tests carried out by the OWS laboratory 

  • Disintegration test: tests performed on a 450 µm sheet made of 70% PLA and 5% Evanesto®.

    Disintegration achieved in 140 days

  • Compressive strength test
    With an equivalent thickness, a PLA yogurt pot containing Evanesto® is twice as strong as a PS yogurt pot (a non-recyclable plastic conventionally used to make yogurt pots).Test de résistance à la compression ​

 

  • Mechanical properties test:
    After 3 weeks in the refrigerator, the yoghurt-filled pots have not suffered any change in their mechanical properties. Lactic ferments do not cause the enzyme activation. The enzyme keeps all its properties.

​Test carried out internally

Hot Fill Test

PLA containing Evanesto® can crystallize during the process, allowing it to withstand to a sufficient temperature. 

e.g. hot beverage container

Biodegradation

33% PLA content for 15µm thin blown film results, in home composting conditions : biodegradation reached in 190 days for films containing 5% of Evanesto®

  • Biodegradation process speeded up by at least 30%

Results presented in the flexible film (packaging) category are valid for this product category. 
Criteria required by the standards also apply to bagging films.  

  • Processability

Tests validated on industrial injection and thermoforming lines at our partners’ facilities. Disintegration and biodegradation tests in progress.   

  • Mechanical resistance and biodegradation

Test in progress on different types of crops in open fields and under shelter.
Results expected by the end of 2020.

Test carried out under real conditions and monitored by the specialized test stations SEHBS and CTIFL. 

 

  • Processability :  horticultural pots (600µm)

tests validated on industrial injection and thermoforming lines at our partners’ facilities. Disintegration test in progress.