polymer
Polymer science fundamentals
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- ffsshhttiikk/opencode-agents-skills
- Last source activity
- February 28, 2026 at 22:53
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SKILL.md
Source instructions · Read-only preview- name
- polymer
- description
- Polymer science fundamentals
- license
- MIT
- compatibility
- opencode
- metadata
- {"audience":"chemists, materials scientists, students","category":"chemistry"}
## What I do
- Explain polymer structure and properties
- Describe polymerization mechanisms
- Discuss polymer classification
- Analyze polymer applications
- Explain polymer processing
- Connect structure to properties
## When to use me
- When learning polymer basics
- When explaining polymer properties
- When selecting materials
- When preparing educational content
## Key Concepts
### Polymer Classification
**Origin**
- Natural: Cellulose, starch, proteins, DNA
- Synthetic: Nylon, polyethylene, polystyrene
- Semi-synthetic: Cellulose nitrate
**Structure**
- Linear: Single chain
- Branched: Side chains
- Crosslinked: Network
- Dendrimers: Hyperbranched
### Polymer Structure
```python
# Polymer types by thermal behavior
polymer_types = {
'thermoplastics': 'Soften on heating (PE, PP, PVC)',
'thermosets': 'Crosslink on heating (epoxy, phenol-formaldehyde)',
'elastomers': 'Elastic deformation (rubber, silicone)'
}
# Amorphous vs Crystalline
structure_types = {
'amorphous': 'Random coil, no order (glass below Tg)',
'semicrystalline': 'Ordered regions in amorphous matrix (Tm > Tg)',
'crystalline': 'Highly ordered (rare in polymers)'
}
```
### Mechanical Properties
- Tensile strength
- Elastic modulus
- Elongation at break
- Impact resistance
- Hardness
- Creep resistance
### Common Applications
- Packaging: PE, PP, PET
- Fibers: Nylon, polyester
- Coatings: Acrylics, epoxies
- Adhesives: PVA, cyanoacrylate
- Elastomers: Natural rubber, silicone
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