{"cited_by_count":244347,"description":"This cluster of papers focuses on the use of supercritical carbon dioxide for polymer foaming, including topics such as nanocomposite foams, microcellular foams, foam processing, crystallization behavior, thermal insulation materials, biodegradable polymers, rheological properties, and cellular structure.","display_name":"Polymer Foaming and Composites","domain_id":"3","external_ids":{"openalex":"https://openalex.org/T12628","wikipedia":"https://en.wikipedia.org/wiki/Supercritical_carbon_dioxide"},"field_id":"25","id":"T12628","keywords":[{"display_name":"polymer foams","id":"polymer-foams","score":0.47,"url":"https://openalex.org/keywords/polymer-foams"},{"display_name":"foaming agents","id":"foaming-agents","score":0.2539,"url":"https://openalex.org/keywords/foaming-agents"},{"display_name":"foam density","id":"foam-density","score":0.4261,"url":"https://openalex.org/keywords/foam-density"},{"display_name":"rigid polyurethane foam","id":"rigid-polyurethane-foam","score":0.4349,"url":"https://openalex.org/keywords/rigid-polyurethane-foam"},{"display_name":"foam structure","id":"foam-structure","score":0.3638,"url":"https://openalex.org/keywords/foam-structure"},{"display_name":"supercritical CO2 foaming","id":"supercritical-co2-foaming","score":0.7014,"url":"https://openalex.org/keywords/supercritical-co2-foaming"},{"display_name":"microcellular foams","id":"microcellular-foams","score":0.7596,"url":"https://openalex.org/keywords/microcellular-foams"},{"display_name":"extrusion foaming","id":"foam-extrusion","score":0.8385,"url":"https://openalex.org/keywords/foam-extrusion"},{"display_name":"foam microstructure","id":"foam-microstructure","score":0.293,"url":"https://openalex.org/keywords/foam-microstructure"},{"display_name":"polymer foaming","id":"polymer-foaming","score":0.7235,"url":"https://openalex.org/keywords/polymer-foaming"},{"display_name":"flexible polyurethane foam","id":"flexible-polyurethane-foam","score":0.3949,"url":"https://openalex.org/keywords/flexible-polyurethane-foam"},{"display_name":"microcellular foaming","id":"microcellular-foaming","score":0.834,"url":"https://openalex.org/keywords/microcellular-foaming"},{"display_name":"closed-cell foam","id":"closed-cell-foam","score":0.2432,"url":"https://openalex.org/keywords/closed-cell-foam"},{"display_name":"biodegradable foams","id":"biodegradable-foams","score":0.4671,"url":"https://openalex.org/keywords/biodegradable-foams"},{"display_name":"melt strength","id":"melt-strength","score":0.3377,"url":"https://openalex.org/keywords/melt-strength"},{"display_name":"foaming temperature","id":"foaming-temperature","score":0.5544,"url":"https://openalex.org/keywords/foaming-temperature"},{"display_name":"polypropylene foam","id":"polypropylene-foam","score":0.6342,"url":"https://openalex.org/keywords/polypropylene-foam"},{"display_name":"foamed plastics","id":"foamed-plastics","score":0.5894,"url":"https://openalex.org/keywords/foamed-plastics"},{"display_name":"chemical blowing agent","id":"chemical-blowing-agent","score":0.7874,"url":"https://openalex.org/keywords/chemical-blowing-agent"},{"display_name":"low-density foam","id":"low-density-foam","score":0.3679,"url":"https://openalex.org/keywords/low-density-foam"},{"display_name":"rigid foam","id":"rigid-foam","score":0.5451,"url":"https://openalex.org/keywords/rigid-foam"},{"display_name":"foam cell structure","id":"foam-cell-structure","score":0.7181,"url":"https://openalex.org/keywords/foam-cell-structure"},{"display_name":"cellular plastics","id":"cellular-plastics","score":0.544,"url":"https://openalex.org/keywords/cellular-plastics"},{"display_name":"foam mechanical properties","id":"foam-mechanical-properties","score":0.3443,"url":"https://openalex.org/keywords/foam-mechanical-properties"},{"display_name":"cell nucleation","id":"cell-nucleation","score":0.9031,"url":"https://openalex.org/keywords/cell-nucleation"}],"legacy_keywords":["Supercritical Carbon Dioxide","Polymer Foaming","Nanocomposite Foams","Microcellular Foams","Foam Processing","Crystallization Behavior","Thermal Insulation Materials","Biodegradable Polymers","Rheological Properties","Cellular Structure"],"openalex_id":"https://openalex.org/T12628","source_created_date":"2024-01-23T15:27:15","source_updated_date":"2026-10-17T03:02:00","subfield_id":"2507","url":"/topics/T12628","works_api_url":"https://api.openalex.org/works?filter=topics.id:T12628","works_count":23665,"label":"Polymer Foaming and Composites","provider":"openalex","revision":"5c02e89622e97b83","taxonomy_revision":"f050b5d4780b1289","title":"Polymer Foaming and Composites","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"38351018392184919","address_version":"morton4x16-v1","coordinates":[3,25,2507,12628],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}