{
  "id": "2026-09",
  "title": "BIOPOLYMER Monthly — September 2026 (trial issue skeleton)",
  "window": [
    "2026-09-01",
    "2026-09-30"
  ],
  "cutoff": "2026-09-30",
  "status": "draft",
  "layout_status": "skeleton",
  "review": {
    "reviewer": null,
    "date": null
  },
  "what_changed": "One development passed the evidence check: Avantium's first FDCA batch at a commercial-scale plant, a supply milestone for PEF. Two shortlisted research leads, a PLA/PA11 blend and a PHBV strain study, still await their evidence check.",
  "notes": [
    "Trial issue. Only the Avantium item is evidence-checked; nothing is signed. The technical reviewer, delivery date and distribution channel are still OPEN (G4).",
    "Cross-issue novelty could not be checked — first issue.",
    "September triage stopped at the 60-call budget: records still marked 'triage pending' may contain further candidates.",
    "Evidence-checked by the build editor on 2026-10-20 from Avantium's own releases; three syndicated news reports of the same start-up were collapsed onto them. Not signed.",
    "Issue stays 'draft' until the two remaining shortlisted leads are checked or dropped and a reviewer signs."
  ],
  "cards": [
    {
      "development": "avantium-fdca-flagship-first-batch",
      "headline": "Avantium's FDCA flagship plant makes its first batch",
      "visual": "fdca",
      "visual_brief": "",
      "change": "Avantium reports that its Delfzijl FDCA Flagship Plant produced a first FDCA batch on 28 September, after commissioning all major process units.",
      "implication": "PEF's key monomer moves from pilot to commercial-scale start-up; the company expects commercial sales toward the end of 2026.",
      "gap": "Design capacity, actual output, qualification results and a bounded LCA are not disclosed; ramp-up is guided at 12-24 months."
    }
  ],
  "watchlist": [
    "Avantium FDCA plant: batch-to-continuous operation and first commercial deliveries (company expects end of 2026)."
  ],
  "questions": [
    "What design capacity and actual output will Avantium report once the plant runs continuously?",
    "Which system boundary and functional unit underlie Avantium's PEF footprint claims?"
  ],
  "shortlist": [
    {
      "lead_id": "doi:10.1021/acs.iecr.6c03874",
      "why": "PLA route, formulation: peer-reviewed PLA/PA11 blend with a bio-based compatibiliser; relevant to toughness for durable parts.",
      "evidence_status": "evidence record empty — full text not yet read"
    },
    {
      "lead_id": "doi:10.1016/j.ijbiomac.2026.153504",
      "why": "PHA route, new production route: peer-reviewed strain work on raising 3-hydroxyvalerate content in PHBV.",
      "evidence_status": "evidence record empty — full text not yet read"
    }
  ]
}