The design and synthesis of dendrons and dendronized polymers for applications in the pulp and paper industry
Bibliographic record
Abstract
Dendrimers and dendronized polymers are unique macromolecules with novel characteristics. Dendrons, which share similar properties to dendrimers, are constructed in a layer-by-layer fashion and ending when the desired branching state is achieved. They are synthesized in a very controlled fashion leading to their monodispersity and high surface group density. Dendronized polymers retain some of the properties of dendrons and assume a cylindrical shape. An unexplored area in which dendrons and dendronized polymers can find applications is in the pulp and paper industry, especially in inhibiting biofilm growth. This thesis reports an efficient synthetic methodology to dendrons and dendronized polymers. The dendrons were constructed first from a tetrafunctional core, in which one arm is protected to be used later to couple the dendron to a polymer. We used a combination of copper(I) catalyzed alkyne-azide cycloadditon and the Steglich esterification to synthesize dendrons and dendronized polymers. Utilizing a divergent approach, and linking an alkyne core group to an azide building block, a process to develop a dendron was initiated. It was repeated to construct dendrons of generations 0-2, which were subsequently linked to a linear polymer to create dendronized polymers. These dendrons and dendronized polymers were also functionalized with terminal phosphonate groups which impart water solubility and enhance their biological activity. These macromolecules were subsequently evaluated for their biofilm activity, and they were found to be effective in biofilm inhibition.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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 | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".