{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"synchronized_release_dampening__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["microencapsulated blowing agent staggered activation temperature shell thickness foam patent mixture capsules different expansion temperatures","thermoset foam blowing agent gas evolution rate cell coalescence rupture matrix relaxation","epoxy foam expandable microspheres cure kinetics coalescence collapse rapid expansion"],"source_ids":["SRC1","SRC4"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["expandable thermoplastic microspheres shell thickness expansion temperature gas release permeability study","thermally expandable microcapsules polymer foaming expandability viscoelasticity crosslinking","microencapsulated chemical blowing agent controlled release shell polymer foam"],"source_ids":["SRC1","SRC2","SRC4"],"no_result_note":null},"products_practices_and_standards":{"queries":["Expancel microspheres different grades start expansion temperature product technical data","Advancell expandable microspheres expansion start temperature grades","different grades expandable microspheres mixture foam"],"source_ids":["SRC2","SRC3"],"no_result_note":null},"component_combination":{"queries":["patent mixture expandable microspheres expansion temperature foam","blend thermally expandable microspheres different grades expansion temperatures","expandable microsphere diffusion barrier outer coating slow release gas foam","thermally expandable microsphere multilayer shell gas permeability control expansion rate"],"source_ids":["SRC3","SRC4"],"no_result_note":"No retained source disclosed the full combination of same-core activation cohorts, deliberately matched mean activation and payload, and a semipermeable outer gate used specifically to flatten peak gas-arrival flux in a curing thermoset."}},"sources":[{"source_id":"SRC1","title":"High Temperature Epoxy Foam: Optimization of Process Parameters","publisher":"Polymers (MDPI), archived by PubMed Central","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6432331/","source_type":"PRIMARY_RESEARCH","claims_supported":["Thermally expandable microspheres were experimentally incorporated into a curing epoxy formulation and compared across grades and cure conditions.","The study reports heterogeneous large bubbles attributed to coalescence when capsules collapsed at high temperature while crosslinking was insufficient.","It states that low matrix viscosity increases coalescence probability and documents coupling between microsphere expansion, hydrocarbon vaporization, and cure timing."]},{"source_id":"SRC2","title":"ADVANCELL Expandable Microspheres Products","publisher":"SEKISUI Chemical / Advancell","url":"https://advancell.com/products/","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["Commercial microsphere grades have materially different expansion-start temperatures, spanning approximately 115–210 degrees Celsius in the listed portfolio.","The particles contain low-boiling hydrocarbon in thermoplastic shells and expand suddenly when heated and softened.","Grade selection is presented as a way to adjust expansion-start temperature and cell size, establishing practical availability of distinct activation cohorts."]},{"source_id":"SRC3","title":"Surface Protection Film and Related Methods — EP 3429842 B1","publisher":"European Patent Office","url":"https://data.epo.org/publication-server/rest/v1.2/publication-dates/20210505/patents/EP3429842NWB1/document.pdf","source_type":"OTHER","claims_supported":["The patent describes making polymer foams by blending expandable polymeric microspheres into a polymerizable composition and expanding them.","It expressly states that foam properties may be adjusted by using mixtures of different types of microspheres.","It establishes prior use of mixed expandable-microsphere populations in a polymerizable foam, although not for the claimed peak-flux mediator."]},{"source_id":"SRC4","title":"Expandable Polymeric Microspheres — WO 2000/037547","publisher":"Google Patents (WIPO publication)","url":"https://patents.google.com/patent/WO2000037547A2/en","source_type":"OTHER","claims_supported":["The publication describes thermo-expandable polymer-walled microspheres containing liquid or solid blowing agents and their use in foamed polymer matrices.","It identifies unequal cell growth, time- and temperature-dependent gas diffusion, and cell coalescence as problems associated with conventional foaming.","It teaches controlled closed-cell void formation through encapsulated blowing agents, including thermal activation governed by shell and propellant properties."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The literature visibly supports the broader timing-capacity problem: microsphere expansion interacts with cure state and viscosity, and mistiming or capsule collapse can produce coalescence and heterogeneous cells. Commercial material is also described as expanding suddenly. However, the retained sources do not directly measure a narrow distribution of individual capsule-opening timestamps or prove that correlated release at matched cumulative gas is the operative cause of the reported defects.","source_ids":["SRC1","SRC2","SRC4"]},"closest_prior_art":[{"name":"Commercial expandable-microsphere grade portfolios with different activation temperatures","source_ids":["SRC2"],"overlap":"Physically distinct shell/core grades provide selectable and overlapping thermal activation ranges suitable for constructing a staggered population.","remaining_difference":"The product source recommends selecting an appropriate grade; it does not disclose a same-core cohort blend optimized to broaden release while matching mean activation, payload, and shell mass."},{"name":"Mixtures of different expandable-microsphere types in polymerizable foam","source_ids":["SRC3"],"overlap":"The patent expressly contemplates mixtures of different microsphere types to adjust foam properties, substantially overlapping the proposal's blended-cohort architecture.","remaining_difference":"It does not identify synchronized gas-release pulses as the defect, measure peak gas-arrival flux, require matched cumulative gas and mean activation, or add a diffusion-limiting outer gate."},{"name":"Thermo-expandable polymeric microspheres for controlled closed-cell foaming","source_ids":["SRC1","SRC4"],"overlap":"Encapsulation, thermally governed expansion, shell-property control, polymer-matrix foaming, and mitigation of coalescence or unequal cell growth are established.","remaining_difference":"The cited work does not demonstrate deliberate activation-band spreading plus per-capsule flux limiting as a causal intervention against a measured release pulse."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"In a thermoset formulation first shown to have a narrow capsule-release pulse, a same-core, same-payload cohort blend with approximately matched mean activation and shell-polymer mass, augmented where necessary by passive diffusion resistance, will broaden the release window and reduce peak gas-arrival flux; pulse-associated coalescence or venting will then track that mediator rather than cumulative gas, matrix rheology, or spatial temperature gradients.","contrastive_claim_falsifier":"The claim is falsified if the candidate does not broaden release or lower peak flux at comparable cumulative gas, or if verified peak-flux reduction produces no reproducible reduction in temporally associated cell failure after mean activation, temperature field, cure rheology, shell-additive effects, and total gas recovery are controlled.","gates":{"adequate_source_search":{"status":"PASS","rationale":"Four retained and opened sources cover direct thermoset-foam behavior, historical expandable-microsphere terminology, commercial activation grades, mixed-microsphere practice, and shell/core component combinations. They span three publisher organizations and include primary research, a first-party product source, and an official patent document.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Primary research and prior patent literature support cure/viscosity-dependent coalescence, unequal cell growth, gas-diffusion timing, and sudden thermally activated expansion. Support is partial because release-time clustering itself has not been directly demonstrated.","source_ids":["SRC1","SRC2","SRC4"]},"distinct_testable_claim":{"status":"PASS","rationale":"Despite adjacent art on different activation grades and mixed microsphere types, the mediator-level claim remains distinct and falsifiable: flatten peak gas arrival at matched core, payload, mean activation, and matrix conditions, then test whether pulse-associated defects change.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"A gram-scale comparison of one narrow cohort against a three-cohort candidate can directly measure opening-time distribution, gas-flux peak, cumulative recovery, rheology, temperature, and time-resolved cell failure before any scale-up. Rejection criteria are explicit and achievable within coupon testing.","source_ids":["SRC1","SRC2"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No source identifies a categorical stop to shielded gram-scale work. The proposed pressure-rated cell, approved core chemistry, ventilation and relief limits, stop criteria, and joint formulation/process-safety authority appropriately bound volatile-core, pressure, exotherm, and delayed-rupture hazards. Production use remains excluded.","source_ids":[]}},"screen_survival":true,"world_novelty_boundary":"This bounded public-web screen found adjacent art for tunable activation grades, mixed expandable-microsphere populations, and shell-controlled foaming, but no opened source containing the complete mediator-controlled combination. That search result cannot establish world novelty, patentability, freedom to operate, market size, expert acceptance, effect size, or realized value."}