QPAC®25 poly(ethylene carbonate)
QPAC®25 poly(ethylene carbonate) is an amorphous, clear, readily processable solid polymer with long-term mechanical stability. The chemical formula is (C3H4O3)n.
QPAC®25 is available in the following forms:
- Granulate
- Solution
What are the applications for QPAC®25?
Ceramic, metal, or glass powders are used to make high purity technical parts, pastes and inks, and coatings. Non-binder applications include barrier film in plastic processing.
Key Benefits include:
- Exceptional clarity
- Excellent adhesion
- Low-temperature decomposition is excellent for thermally sensitive materials
- Superb oxygen barrier properties
- Extrudable into barrier film for multi-layer construction
- Outstanding green strength
- Decomposition in a wide range of atmospheres, including air, oxygen, nitrogen, hydrogen, argon, and vacuum
- Range of molecular weights from 50,000 to 200,000
Typical Physical Properties of QPAC®25
| Property | Value |
| Density (g/cm3) | 1.42 |
| Refractive Index | 1.470 |
| Decomposition Temperature (°C) | 220 (estimate) |
| Glass Transition Temperature (°C) | 0-10 |
| Heat of combustion (cal/gm) | 3,753 |
| Heat of formation (cal/mol) | -88,726 |
| Molar Mass of repeating unit | 88.1 |
| Solubility | Upon request |
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