{"id":2782,"date":"2025-10-01T09:39:49","date_gmt":"2025-10-01T09:39:49","guid":{"rendered":"https:\/\/impress-he.eu\/?p=2782"},"modified":"2025-10-01T09:45:01","modified_gmt":"2025-10-01T09:45:01","slug":"algaes-materials-moment-from-pond-to-packaging","status":"publish","type":"post","link":"https:\/\/impress-he.eu\/nn\/2025\/10\/01\/algaes-materials-moment-from-pond-to-packaging\/","title":{"rendered":"Algae’s Materials Moment: From Pond to Packaging"},"content":{"rendered":"

From shoes to straws, algae <\/strong>are surfacing as a serious contender in the biomaterials\u2019 revolution<\/strong>. Once known mostly as seaweed on a sushi roll or pond scum in a petri dish, both macroalgae (seaweed) and microalgae are now being tapped for their rich supply of polymers<\/strong>, fillers<\/strong>, and lipids <\/strong>that can either supplement or replace fossil-derived plastics. At the heart of this shift are materials like alginate<\/strong>, carrageenan<\/strong>, and ulvan<\/strong>, natural polymers extracted from seaweed, alongside lipids and cell-wall components harvested from microalgae. These compounds are finding their way into edible sachets, barrier coatings, and even EVA-like shoe foams, opening a sea of possibilities.<\/p>\n\n\n\n

A landmark review of algae-based bioplastics outlines two core strategies:<\/p>\n\n\n\n

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  1. Direct blending <\/strong>of algal biomass with conventional or biopolymers.<\/li>\n\n\n\n
  2. Cultivation of algae<\/strong> to produce intracellular biopolymers, such as Polyhydroxyalkanoates (PHAs), a class of biodegradable plastics synthesized by microorganisms.<\/li>\n<\/ol>\n\n\n\n

    <\/p>\n\n\n\n

    Both routes are progressing rapidly, with recent studies (2024\u20132025) showing scalable systems that feed CO\u2082 directly to algae cultures to produce plastics, effectively linking carbon capture with material innovation.<\/p>\n\n\n\n

    From Marathons to Markets: Real-World Algae Applications<\/strong><\/h2>\n\n\n\n

    A headline-making example came during the 2019 London Marathon, where Notpla<\/a>\u2019s edible Ooho pouches<\/strong> replaced thousands of plastic water bottles and sachets, offering runners hydration with zero packaging waste. <\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    Another hotbed of its innovation potential is in the footwear sector, where algae-derived foams from BLOOM have been integrated into Vivobarefoot shoes<\/strong> as well as DC Shoes\u2019 IMPACT-ALG insoles<\/strong>, which demonstrate that biobased foams can meet durability and comfort standards, even when used in high-wear items.<\/p>\n\n\n\n

    The wave of innovation is not slowing down. Recent reviews track algae\u2019s expansion into:<\/p>\n\n\n\n