A Versatile Bioplastic Film Fabricated From Cocos Nucifera (Coconut Coir) In Guyana
Bibliographic record
Abstract
The coconut plant is an abundant crop stretching across all regions of Guyana in South America. The coconut coir is a cellulose-rich component of the coconut that can be converted into a versatile, biodegradable plastic film with thermomechanical properties comparable to single-use plastics on the world market. The hemicellulose and lignin content of the coconut coir was reduced by 56.5% and 71.7% respectively. An alkali/bleaching treatment of 8% sodium hydroxide (NaOH) and 8% sodium chlorite (NaClO2) solutions was found to be best. The pretreated coir produced uniform bioplastic films within 6-9 days after dissolution in trifluoroacetic acid (TFA). A 100% conversion of raw coir fibers into plastic film was achieved, with an ultimate tensile strength of 9.12 MPa. This bioplastic film is also thermally stable, starting to degrade at around 250 °C, similar to the degradation temperature of 97% cellulose-rich filter paper.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".