New Innovative Applications
QPAC binders offer many unique benefits for cutting-edge technology applications that require superior material properties to meet their demanding needs.
3D Ceramic Printing
QPAC binders are emerging as a temporary adhesive additive for paste extruder-based 3D ceramic printers. Selective laser sintering SLS 3D printing technology is one type of additive manufacturing technique that can benefit from QPAC’s debinding properties.
Key benefits:
- Virtually no residue or contamination
- Benign emissions from combustion are carbon dioxide and water vapor, which are non-toxic, non-flammable, and environmentally safe
- Low-temperature burnout for sensitive materials
- Decomposes completely between 220°C – 350°C, which can be as much as 100°C below the decomposition temperatures of other binders
- Excellent green strength, resulting in high strength and density in final products
Energy Storage / Batteries
QPAC 25 polyethylene carbonate and QPAC 40 polypropylene carbonate are both considered possible polymer candidates for electrolytes. Carbonate-based solvents are commonly used as the electrolyte solution in Li-ion batteries due to their high dielectric constant. Therefore, the carbonate groups of QPAC 25 and QPAC 40 provide a good structure for the polymer framework. QPAC binders may have additional benefits in the construction of fuel cells. Recent work shows the binders can form a high-performing polymer matrix for the electrolyte in solid lithium-ion batteries.
Key benefits:
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Read more about QPAC for flexible solid lithium batteries
Nanoparticle Binder
The growing interest in QPAC as an organic nanoparticle binder is a result of the following properties:
- Compatibility with a variety of nanopowders, including metals and ceramics
- Naturally “tacky,” and degrees of plasticity can be adjusted as necessary
- Decomposition is complete through three phases: solid, liquid, and vapor
- Very low ash residue with the complete burnout of carbon
- Decomposes completely between 220°C – 350°C, which can be as much as 100°C below the decomposition temperatures of other binders
- Mild burnout without violent gas formation, resulting in fewer cracks in the final part
The QPAC properties result in structures with superior properties compared to those of more conventional binders. Additionally, the binders use up to 50% fewer petrochemicals than traditional plastics.
Other new and exciting areas for the use of QPAC polyalkylene carbonates include freeze casting and as an adhesive for semiconductor wafers.
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