{"id":"W2158707982","doi":"10.1002/pen.21561","title":"Rheology and extrusion foaming of chain‐branched poly(lactic acid)","year":2009,"lang":"en","type":"article","venue":"Polymer Engineering and Science","topic":"biodegradable polymer synthesis and properties","field":"Materials Science","cited_by":260,"is_retracted":false,"has_abstract":true,"ca_institutions":"Polytechnique Montréal; National Research Council Canada","funders":"National Research Council Canada","keywords":"Materials science; Extrusion; Blowing agent; Rheology; Crystallinity; Branching (polymer chemistry); Composite material; Crystallization; Copolymer; Strain hardening exponent; Polyester; Lactic acid; Extender; Amorphous solid; Lactide; Chemical engineering; Polymer; Polymer chemistry; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001476825,0.0002254406,0.0001566576,0.0001701838,0.00008797345,0.0001567614,0.00006592622,0.0001292502,0.0004646661],"category_scores_gemma":[0.0002870185,0.00008777586,0.0001636217,0.000116231,0.0001202009,0.0002485894,0.000106715,0.0002210846,0.0001030272],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007980532,"about_ca_system_score_gemma":0.00005900765,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002152807,"about_ca_topic_score_gemma":0.000267787,"domain_scores_codex":[0.9998913,0.00002334021,0.000006998412,0.00001641403,0.00003931435,0.00002257383],"domain_scores_gemma":[0.9998417,0.00005754363,0.00004481985,0.00001088285,0.00002647225,0.00001862726],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00006791706,0.000008322597,0.0002290426,0.00001480783,0.000002364144,0.00003370173,0.00002276573,0.00008513614,0.998202,0.00001319674,0.000004987873,0.001315784],"study_design_scores_gemma":[0.000003575129,0.0001243322,0.001932993,0.000003172489,0.000005360459,0.00004897424,0.000007607161,0.0008538311,0.9967365,0.000009966084,0.0002716251,0.000002096141],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9973736,0.0005763891,0.001727635,0.00001102766,0.000004558161,0.0000038973,0.00003529309,0.00001734342,0.0002504297],"genre_scores_gemma":[0.9979234,0.0002638149,0.001268875,0.000007761475,0.000002572285,0.000003575449,0.00008367138,0.00001259175,0.000433594],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0004646661,"threshold_uncertainty_score":0.001554489,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01064833818521262,"score_gpt":0.2052517954522992,"score_spread":0.1946034572670866,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}