{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp09_archetype_breadth150_20260804","research_id":"eoa_inverse_innovation_exp09_light_prior_art_20260804","cell_id":"backcasting_pathway_design__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["wind turbine blade recyclable thermoset composite reversible epoxy recovery fiber research","wind turbine blade circular design roadmap stage gate end of life recovery composite","backcasting wind turbine blades circular design"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":"No retained source described the exact proposed combination of a blade-composite reverse-milestone workshop, dependency board, present commitment register, and post-evidence assumption review."},"synonyms_and_historical_terms":{"queries":["backcasting materials development reverse roadmap dependency mapping composites","backcasting-based method designing roadmaps sustainable future","reverse roadmap materials development backcasting experiments","integrating backcasting and eco-design circular economy BECE framework"],"source_ids":["SRC1"],"no_result_note":null},"products_practices_and_standards":{"queries":["recyclable wind turbine blade resin product Recyclamine Elium CETEC DecomBlades","site:vestas.com circularity solution epoxy blades CETEC recovery glass fiber resin","site:nrel.gov wind turbine blade materials roadmap recyclable design requirements manufacturing repair recycling","IEA Wind Task 45 blade design novel materials improved recyclability"],"source_ids":["SRC2","SRC3","SRC4"],"no_result_note":null},"component_combination":{"queries":["wind turbine blade circular design requirements material selection recovery manufacturing durability research project","Design for Recycling thermoset composites stage gate material development","backcasting circular materials product development dependency roadmap stage gate","backcasting eco-design circular economy steps experiments"],"source_ids":["SRC1","SRC2","SRC3","SRC4"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Integrating Backcasting and Eco-Design for the Circular Economy: The BECE Framework","publisher":"Journal of Industrial Ecology / Springer Nature","url":"https://link.springer.com/article/10.1111/jiec.12590","source_type":"PRIMARY_RESEARCH","claims_supported":["A published ten-step framework already combines a desired circular-economy vision, backcasting, product and supply-chain eco-design, scenario validation, and action planning.","The framework was exercised in a stakeholder pilot workshop and is presented as generic across products and sectors.","Backcasting can guide operational product-development work from long-term targets, making this close methodological prior art."]},{"source_id":"SRC2","title":"Manufacture and Testing of Biomass-Derivable Thermosets for Wind Blade Recycling","publisher":"American Association for the Advancement of Science / National Laboratory of the Rockies","url":"https://research-hub.nlr.gov/en/publications/manufacture-and-testing-of-biomass-derivable-thermosets-for-wind-/","source_type":"PRIMARY_RESEARCH","claims_supported":["A recyclable wind-blade composite program has already integrated covalent-adaptable-network chemistry with manufacturing, safety, mechanical analysis, weathering, and chemical recyclability.","The work progressed through experimental and computational studies to vacuum-assisted manufacture of a nine-meter blade prototype.","The domain therefore has concrete precedent for testing service, manufacturing, safety, and recovery requirements together rather than considering recyclability alone."]},{"source_id":"SRC3","title":"A Review of the Current State of Blade Design and Novel Materials Research for Improved Recyclability of Wind Turbine Blades","publisher":"IEA Wind Technology Collaboration Programme, Task 45","url":"https://iea-wind.org/wp-content/uploads/2024/05/IEA-Task-45-WP2-D2.1-Review-of-blade-design-and-novel-materials-for-improved-recyclability-PUBLIC-v1.pdf","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Blade composition, coatings, adhesives, joints, manufacturing, mechanical requirements, and recycling processes form an interdependent design problem.","Existing thermoset recycling can degrade recovered-fiber properties, while recoverable matrices may improve recovery and emissions outcomes.","Recyclability must be addressed from the blade-design and material-selection stage, and industrial processing remains constrained by technology and business-model barriers."]},{"source_id":"SRC4","title":"Blade Circularity","publisher":"Vestas Wind Systems A/S","url":"https://www.vestas.com/en/media/blog/sustainability/Blade-circularity","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["The CETEC initiative provides a real industrial pathway for separating epoxy-infused blade composites and recovering glass fiber without changing the original blade design or composition.","Development has moved from laboratory work to an operational testbed, with recovered materials undergoing downstream reuse evaluation.","The case demonstrates staged evidence across separation reliability, scale-up, recovered-material use, partnerships, and value-chain implementation."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The technical problem is visible: authoritative and primary sources show that blade recyclability depends jointly on matrix chemistry, manufacturing, mechanical performance, weathering, separation conditions, and recovered-material quality, and that conventional thermosets and recycling processes can impair recovery. However, public sources cannot verify the proposal's program-specific assertion that its active plan lacks endpoint criteria, dependency links, thresholds, or ownership.","source_ids":["SRC2","SRC3","SRC4"]},"closest_prior_art":[{"name":"BECE backcasting-and-eco-design framework","source_ids":["SRC1"],"overlap":"Starts from a desired circular future, uses stakeholder backcasting to identify steps and constraints, connects strategic vision to operational product and supply-chain redesign, and concludes with validated scenarios and action plans.","remaining_difference":"It is a generic circular-business and eco-design framework, not a disclosed blade-composite protocol that encodes chemistry-to-cure-to-aging-to-recovery dependencies, readiness thresholds, owned bench experiments, and an evidence-cycle assumption review."},{"name":"NREL PECAN recyclable wind-blade development program","source_ids":["SRC2"],"overlap":"Integrates chemistry, engineering, safety, manufacturing, mechanical analysis, weathering, and chemical recyclability and advances through testing to a nine-meter prototype.","remaining_difference":"The disclosed research does not say that experiments were selected through backcasting, a prerequisite dependency map, or a present-commitment register."},{"name":"Vestas CETEC blade-circularity pathway","source_ids":["SRC4"],"overlap":"Connects a circularity goal to separation chemistry, recovered constituents, laboratory evidence, a larger testbed, downstream reuse evaluation, partnerships, and industrialization.","remaining_difference":"It is a substantive technology and scale-up pathway rather than a general planning intervention, and the public description does not disclose reverse derivation of current experiments or explicit dependency and assumption-review artifacts."},{"name":"IEA Wind Task 45 design-for-recyclability review","source_ids":["SRC3"],"overlap":"Treats blade anatomy, material choice, manufacturing, mechanical requirements, recycling processes, and recovered-fiber degradation as linked design considerations and recommends addressing recyclability at the design stage.","remaining_difference":"It reviews technologies and barriers but does not prescribe the proposal's reverse-milestone workshop and experiment-governance procedure."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"Relative to generic BECE backcasting, design-for-recyclability guidance, and existing recyclable-blade programs, the intervention's remaining testable distinction is that a blade-specific prerequisite graph governs present experimental authorization: every current experiment must trace to a necessary endpoint condition, and cross-stage chemistry, processing, service, repair, safety, and recovery conflicts must be tested before scale-up. The screen found adjacent precedents for nearly every component but no retained source disclosing this exact governance combination.","contrastive_claim_falsifier":"The claim is falsified if program records or closer prior art already use an equivalent future-derived prerequisite graph to authorize current blade-composite experiments, or if a controlled workshop comparison produces no new traceable dependency, no changed experiment ordering or stop decision, and no earlier falsifiable cross-stage test beyond the baseline plan.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered the proposal directly, backcasting and reverse-roadmap terminology, recyclable-blade products and official guidance, and combinations of backcasting, eco-design, thermoset recycling, manufacturing, durability, and recovery. Exactly four opened sources from four publisher organizations were retained, including primary research, official guidance, and first-party evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"The cross-lifecycle technical conflict is supported, although the asserted deficiency of the particular program is not publicly observable; this warrants PARTLY_SUPPORTED problem evidence rather than full support.","source_ids":["SRC2","SRC3","SRC4"]},"distinct_testable_claim":{"status":"PASS","rationale":"The remaining distinction is operational and falsifiable: whether explicit endpoint-to-prerequisite traceability changes present experiment selection, ordering, or stopping compared with the existing plan and generic backcasting practice.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"A document review, one 90-minute mapping workshop, an independently scored traceability audit, and at most one already-approved coupon test are bounded in time, material, authority, and decision criteria. The comparison can record new dependencies and changed commitments without scale-up.","source_ids":["SRC1","SRC2"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"The planning and document-review steps are low risk, and the proposed coupon work is explicitly conditional on existing chemical, equipment, exposure, waste, EHS, and technical approvals. Published blade-composite work confirms that safety is a material part of this integrated development problem; no source supplies a reason to bypass local authority.","source_ids":["SRC2","SRC3"]}},"screen_survival":true,"world_novelty_boundary":"This four-source public-web screen establishes only coarse researchability and an adjacent-prior-art boundary. It cannot establish world novelty, patentability, freedom to operate, market size, expert acceptance, regulatory qualification, scale transfer, or realized technical, environmental, or commercial value."}