Archive
Author: Erkam Narinç
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The circular bioeconomy: why circularity and the bioeconomy need each other
Circular economy and bioeconomy solve different halves of the same problem. Why their intersection, the circular bioeconomy, matters, and the business case for it.
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Aseptic packaging: the food is sterilised before it ever reaches the carton
What aseptic packaging is, how liquid packaging cartons keep food shelf-stable for months without refrigeration, and why it matters where cold chains are weak.
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Composite packaging under the PPWR: a legal boundary, not a scientific one
The PPWR defines composite packaging for the first time at EU level, ending divergent national interpretations. It sorts packaging into material categories, but it is not a recyclability assessment, and…
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Total fluorine: a pragmatic PFAS screen that cannot tell you what it found
Total fluorine measures every fluorine atom in a sample, organic or inorganic. It is fast, cheap and captures unknown PFAS, but minerals, fillers and groundwater all contain fluoride, and the…
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What PFAS actually are: one definition, thousands of substances
PFAS is not a substance or a class of similar substances but a structural definition covering roughly 10,000 chemicals. What the carbon–fluorine bond does, why the families behave differently, and…
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Can paper block electromagnetic interference? Only if you stop it reflecting
Every powered device emits electromagnetic energy and is vulnerable to it, and shielding is a regulatory requirement. Cellulose shields nothing on its own, but its porosity enables absorption-dominant shielding that…
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Bark-based polyurethane foams: the hydroxyl groups are on the wrong backbone
Bark is rich in hydroxyl groups, which is exactly what a polyurethane polyol needs. The difficulty is that they sit on rigid aromatic rings, and almost every route to bark-based…
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The EU ban on destroying unsold textiles: what applies from 19 July 2026
From 19 July 2026, large companies may no longer destroy unsold apparel, clothing accessories or footwear in the EU. What Article 25 of the ESPR requires, who is in scope,…
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Latex is not a raw material: it is a defence system
Latex is stored under pressure throughout the plant and released by injury itself, coagulating within minutes to seal the wound and trap insects. Reading it as defence rather than commodity…